* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * * [misc]points:  Sampling 256 additional inputs, on iter 0 have 0 / 256
* * * * [misc]points:  Computing exacts on every 16 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 8 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 4 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 2 of 256 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 256 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 76 additional inputs, on iter 1 have 180 / 256
* * * * [misc]points:  Computing exacts on every 4 of 76 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 2 of 76 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 76 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 17 additional inputs, on iter 2 have 239 / 256
* * * * [misc]points:  Computing exacts for 17 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 8 additional inputs, on iter 3 have 248 / 256
* * * * [misc]points:  Computing exacts for 8 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 4 additional inputs, on iter 4 have 252 / 256
* * * * [misc]points:  Computing exacts for 4 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 256 points with exact outputs
* * * [misc]progress:  [2/2] Setting up program.
* [misc]progress:  [Phase 2 of 3] Improving.
* [enter]simplify:  Simplifying (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (81 enodes)
* * [misc]simplify:  iters left: 3 (240 enodes)
* [exit]simplify:  Simplified to (* d1 (- (+ d2 d4) (+ d3 d1)))
* * [misc]progress:  iteration 1 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (d1 d2 d3 d4) (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 3 ] rewriting at (2 1 1)
* * * * [misc]progress:  [ 2 / 3 ] rewriting at (2 1)
* * * * [misc]progress:  [ 3 / 3 ] rewriting at (2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 3 ] generating series at (2 1 1)
* [misc]approximate:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in (d1 d2 d3) around 0
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (* 0 d2) into 0
* [misc]backup-simplify:  Simplify (* 0 d3) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d2)) into d2
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d3)) into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]taylor:  Taking taylor expansion of (- d2 d3) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ 0 (- d3)) into (- d3)
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d2))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* -1 (* d3 (* 1 d1))) (* 1 (* 1 (* d2 d1)))) into (- (* d2 d1) (* d3 d1))
* [misc]approximate:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in (d1 d2 d3) around 0
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d2))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d3))) into (- (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 d2))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1))))) (* -1 (* (/ 1 (/ 1 d3)) (* 1 (/ 1 (/ 1 d1)))))) into (- (* d2 d1) (* d3 d1))
* [misc]approximate:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in (d1 d2 d3) around 0
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d3
* [misc]taylor:  Taking taylor expansion of (- d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d2))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d3))) into (- (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))) (* 0 (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))) (* 0 (/ 0 (- d3))) (* 0 (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1)))))) (* -1 (* (/ 1 (/ 1 (- d3))) (* 1 (/ 1 (/ 1 (- d1))))))) into (- (* d2 d1) (* d3 d1))
* * * * [misc]progress:  [ 2 / 3 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 d2) into 0
* [misc]backup-simplify:  Simplify (* 0 d3) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (* d4 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d2)) into d2
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d3)) into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (+ (* d4 1) (* 0 0)) into d4
* [misc]backup-simplify:  Simplify (+ (- d2 d3) d4) into (- (+ d2 d4) d3)
* [misc]taylor:  Taking taylor expansion of (- (+ d2 d4) d3) in d2
* [misc]taylor:  Taking taylor expansion of (+ d2 d4) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (+ 0 d4) into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d4 (- d3)) into (- d4 d3)
* [misc]taylor:  Taking taylor expansion of (- d4 d3) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d2))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d4 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]approximate:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d4
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d3
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d2
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* (/ 1 d4) 1) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d4) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d2))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d4) 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)) (* 0 (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d4) 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1)))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 d3)) (* 1 (/ 1 (/ 1 d1)))))) (* 1 (* (/ 1 (/ 1 d4)) (* 1 (* 1 (/ 1 (/ 1 d1)))))))) into (- (+ (* d4 d1) (* d2 d1)) (* d3 d1))
* [misc]approximate:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d4
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d4
* [misc]taylor:  Taking taylor expansion of (- d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d3
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d3
* [misc]taylor:  Taking taylor expansion of (- d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d2
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* (/ -1 d4) -1) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d4) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d2))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d4) 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))) (* 0 (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))) (* 0 (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d4) 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1))))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- d3))) (* 1 (/ 1 (/ 1 (- d1))))))) (* 1 (* (/ 1 (/ 1 (- d4))) (* 1 (* 1 (/ 1 (/ 1 (- d1))))))))) into (- (+ (* d4 d1) (* d2 d1)) (* d3 d1))
* * * * [misc]progress:  [ 3 / 3 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- (* d1 d2) (* d1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (* d4 d1) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 d2) into 0
* [misc]backup-simplify:  Simplify (* 0 d3) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (* d4 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d2)) into d2
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d3)) into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d2 (- d3)) into (- d2 d3)
* [misc]backup-simplify:  Simplify (+ (* d4 1) (* 0 0)) into d4
* [misc]backup-simplify:  Simplify (+ (- d2 d3) d4) into (- (+ d2 d4) d3)
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (+ d2 d4) d3) 0) into (- (+ d2 d4) d3)
* [misc]taylor:  Taking taylor expansion of (- (+ d2 d4) d3) in d2
* [misc]taylor:  Taking taylor expansion of (+ d2 d4) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (+ 0 d4) into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d4 (- d3)) into (- d4 d3)
* [misc]taylor:  Taking taylor expansion of (- d4 d3) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ d4 0) into d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d2))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* d4 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (* -1 (* 1 (* d3 (* 1 d1)))) (+ (* 1 (* 1 (* 1 (* d2 d1)))) (* -1 (pow (* 1 (* 1 (* 1 d1))) 2)))) into (- (* d2 d1) (+ (pow d1 2) (* d3 d1)))
* [misc]approximate:  Taking taylor expansion of (- (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) (* (/ 1 d1) (/ 1 d1))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) (* (/ 1 d1) (/ 1 d1))) in d4
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d4
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) (* (/ 1 d1) (/ 1 d1))) in d3
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d3
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) (* (/ 1 d1) (/ 1 d1))) in d2
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d2
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) (* (/ 1 d1) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) (* (/ 1 d1) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) (* (/ 1 d4) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 d1) (/ 1 d2)) (* (/ 1 d1) (/ 1 d3))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d4) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* (/ 1 d4) 1) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3)) 0) into (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d4) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d2))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d4) 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)) (* 0 (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 d4) 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1)))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 d3)) (* 1 (/ 1 (/ 1 d1)))))) (* 1 (* (/ 1 (/ 1 d4)) (* 1 (* 1 (/ 1 (/ 1 d1)))))))) into (- (+ (* d4 d1) (* d2 d1)) (* d3 d1))
* [misc]approximate:  Taking taylor expansion of (- (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in (d1 d2 d3 d4) around 0
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d4
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d4
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d4
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d4
* [misc]taylor:  Taking taylor expansion of (- d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d3
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d3
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d3
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d3
* [misc]taylor:  Taking taylor expansion of (- d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d2
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) (* (/ 1 (- d1)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) (* (/ 1 (- d4)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (- (* (/ 1 (- d1)) (/ 1 (- d2))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d4)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d2)) into (/ 1 d2)
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (- (/ 1 d3))) into (- (/ 1 d2) (/ 1 d3))
* [misc]backup-simplify:  Simplify (* (/ -1 d4) -1) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d2) (/ 1 d3)) (/ 1 d4)) into (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3)) 0) into (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d4) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d2))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d3))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d4) 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d2)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))) (* 0 (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))) (* 0 (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 d4) 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1))))))) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- d3))) (* 1 (/ 1 (/ 1 (- d1))))))) (* 1 (* (/ 1 (/ 1 (- d4))) (* 1 (* 1 (/ 1 (/ 1 (- d1))))))))) into (- (+ (* d4 d1) (* d2 d1)) (* d3 d1))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (+ (fma d1 d2 (- (* d3 d1))) (fma (- d3) d1 (* d3 d1))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (fma d1 d2 (- (* d3 d1)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* * [misc]simplify:  iters left: 1 (30 enodes)
* [exit]simplify:  Simplified to (* (- d2 d3) d1)
* [exit]simplify:  Simplified to (* (- d2 d3) d1)
* [enter]simplify:  Simplifying (fma (- d3) d1 (* d3 d1))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (8 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (- (* d3 d1) (* d3 d1))
* [exit]simplify:  Simplified to (- (* d3 d1) (* d3 d1))
* * * * [misc]progress:  [ 2 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (log1p (expm1 (- (* d1 d2) (* d1 d3)))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (expm1 (- (* d1 d2) (* d1 d3)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* [exit]simplify:  Simplified to (expm1 (* (- d2 d3) d1))
* [exit]simplify:  Simplified to (expm1 (* (- d2 d3) d1))
* * * * [misc]progress:  [ 3 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (expm1 (log1p (- (* d1 d2) (* d1 d3)))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (log1p (- (* d1 d2) (* d1 d3)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* [exit]simplify:  Simplified to (log1p (* (- d2 d3) d1))
* [exit]simplify:  Simplified to (log1p (* (- d2 d3) d1))
* * * * [misc]progress:  [ 4 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (fma d1 d2 (- (* d1 d3))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (* d1 d3))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (- (* d1 d3))
* [exit]simplify:  Simplified to (- (* d1 d3))
* * * * [misc]progress:  [ 5 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (log (/ (exp (* d1 d2)) (exp (* d1 d3)))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (/ (exp (* d1 d2)) (exp (* d1 d3)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (33 enodes)
* * [misc]simplify:  iters left: 1 (51 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (- d2 d3))
* [exit]simplify:  Simplified to (pow (exp d1) (- d2 d3))
* * * * [misc]progress:  [ 6 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (pow (- (* d1 d2) (* d1 d3)) 1) (* d4 d1)) (* d1 d1)))>
* * * * [misc]progress:  [ 7 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (exp (log (- (* d1 d2) (* d1 d3)))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (log (- (* d1 d2) (* d1 d3)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* [exit]simplify:  Simplified to (log (* (- d2 d3) d1))
* [exit]simplify:  Simplified to (log (* (- d2 d3) d1))
* * * * [misc]progress:  [ 8 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (log (exp (- (* d1 d2) (* d1 d3)))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (exp (- (* d1 d2) (* d1 d3)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (54 enodes)
* * [misc]simplify:  iters left: 1 (65 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (- d2 d3))
* [exit]simplify:  Simplified to (pow (exp d1) (- d2 d3))
* * * * [misc]progress:  [ 9 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (* (* (cbrt (- (* d1 d2) (* d1 d3))) (cbrt (- (* d1 d2) (* d1 d3)))) (cbrt (- (* d1 d2) (* d1 d3)))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (cbrt (- (* d1 d2) (* d1 d3))) (cbrt (- (* d1 d2) (* d1 d3))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* [exit]simplify:  Simplified to (* (cbrt (* d1 (- d2 d3))) (cbrt (* d1 (- d2 d3))))
* [exit]simplify:  Simplified to (* (cbrt (* d1 (- d2 d3))) (cbrt (* d1 (- d2 d3))))
* [enter]simplify:  Simplifying (cbrt (- (* d1 d2) (* d1 d3)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* [exit]simplify:  Simplified to (cbrt (* (- d2 d3) d1))
* [exit]simplify:  Simplified to (cbrt (* (- d2 d3) d1))
* * * * [misc]progress:  [ 10 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (cbrt (* (* (- (* d1 d2) (* d1 d3)) (- (* d1 d2) (* d1 d3))) (- (* d1 d2) (* d1 d3)))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (* (- (* d1 d2) (* d1 d3)) (- (* d1 d2) (* d1 d3))) (- (* d1 d2) (* d1 d3)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (46 enodes)
* * [misc]simplify:  iters left: 3 (216 enodes)
* [exit]simplify:  Simplified to (pow (* d1 (- d2 d3)) 3)
* [exit]simplify:  Simplified to (pow (* d1 (- d2 d3)) 3)
* * * * [misc]progress:  [ 11 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (* (sqrt (- (* d1 d2) (* d1 d3))) (sqrt (- (* d1 d2) (* d1 d3)))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (sqrt (- (* d1 d2) (* d1 d3)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* [exit]simplify:  Simplified to (sqrt (* (- d2 d3) d1))
* [exit]simplify:  Simplified to (sqrt (* (- d2 d3) d1))
* [enter]simplify:  Simplifying (sqrt (- (* d1 d2) (* d1 d3)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* [exit]simplify:  Simplified to (sqrt (* (- d2 d3) d1))
* [exit]simplify:  Simplified to (sqrt (* (- d2 d3) d1))
* * * * [misc]progress:  [ 12 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (/ (- (pow (* d1 d2) 3) (pow (* d1 d3) 3)) (+ (* (* d1 d2) (* d1 d2)) (+ (* (* d1 d3) (* d1 d3)) (* (* d1 d2) (* d1 d3))))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (pow (* d1 d2) 3) (pow (* d1 d3) 3))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (83 enodes)
* * [misc]simplify:  iters left: 2 (245 enodes)
* [exit]simplify:  Simplified to (fma (* (* d3 d1) (* d3 d1)) (- (* d3 d1)) (pow (* d1 d2) 3))
* [exit]simplify:  Simplified to (fma (* (* d3 d1) (* d3 d1)) (- (* d3 d1)) (pow (* d1 d2) 3))
* [enter]simplify:  Simplifying (+ (* (* d1 d2) (* d1 d2)) (+ (* (* d1 d3) (* d1 d3)) (* (* d1 d2) (* d1 d3))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (32 enodes)
* * [misc]simplify:  iters left: 4 (95 enodes)
* * [misc]simplify:  iters left: 3 (238 enodes)
* * [misc]simplify:  iters left: 2 (351 enodes)
* * [misc]simplify:  iters left: 1 (427 enodes)
* [exit]simplify:  Simplified to (* (fma d3 (+ d2 d3) (* d2 d2)) (* d1 d1))
* [exit]simplify:  Simplified to (* (fma d3 (+ d2 d3) (* d2 d2)) (* d1 d1))
* * * * [misc]progress:  [ 13 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (+ (* d1 d2) (- (* d1 d3))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (* d1 d3))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (- (* d1 d3))
* [exit]simplify:  Simplified to (- (* d1 d3))
* * * * [misc]progress:  [ 14 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (* 1 (- (* d1 d2) (* d1 d3))) (* d4 d1)) (* d1 d1)))>
* * * * [misc]progress:  [ 15 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (/ (- (* (* d1 d2) (* d1 d2)) (* (* d1 d3) (* d1 d3))) (+ (* d1 d2) (* d1 d3))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (* (* d1 d2) (* d1 d2)) (* (* d1 d3) (* d1 d3)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (64 enodes)
* * [misc]simplify:  iters left: 3 (144 enodes)
* * [misc]simplify:  iters left: 2 (305 enodes)
* [exit]simplify:  Simplified to (* (+ d2 d3) (* (* d1 d1) (- d2 d3)))
* [exit]simplify:  Simplified to (* (+ d2 d3) (* (* d1 d1) (- d2 d3)))
* [enter]simplify:  Simplifying (+ (* d1 d2) (* d1 d3))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* [exit]simplify:  Simplified to (* (+ d2 d3) d1)
* [exit]simplify:  Simplified to (* (+ d2 d3) d1)
* * * * [misc]progress:  [ 16 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (* d1 (- d2 d3)) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- d2 d3)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (- d2 d3)
* [exit]simplify:  Simplified to (- d2 d3)
* * * * [misc]progress:  [ 17 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (+ (* d1 d2) (- (* d1 d3))) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (* d1 d3))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (- (* d1 d3))
* [exit]simplify:  Simplified to (- (* d1 d3))
* * * * [misc]progress:  [ 18 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log1p (expm1 (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (expm1 (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (98 enodes)
* * [misc]simplify:  iters left: 2 (160 enodes)
* * [misc]simplify:  iters left: 1 (211 enodes)
* [exit]simplify:  Simplified to (expm1 (fma (- d4 d3) d1 (* d1 d2)))
* [exit]simplify:  Simplified to (expm1 (fma (- d4 d3) d1 (* d1 d2)))
* * * * [misc]progress:  [ 19 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (expm1 (log1p (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (log1p (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (98 enodes)
* * [misc]simplify:  iters left: 2 (160 enodes)
* * [misc]simplify:  iters left: 1 (211 enodes)
* [exit]simplify:  Simplified to (log1p (fma (- d4 d3) d1 (* d1 d2)))
* [exit]simplify:  Simplified to (log1p (fma (- d4 d3) d1 (* d1 d2)))
* * * * [misc]progress:  [ 20 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (fma (* (cbrt (- (* d1 d2) (* d1 d3))) (cbrt (- (* d1 d2) (* d1 d3)))) (cbrt (- (* d1 d2) (* d1 d3))) (* d4 d1)) (* d1 d1)))>
* * * * [misc]progress:  [ 21 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (fma (sqrt (- (* d1 d2) (* d1 d3))) (sqrt (- (* d1 d2) (* d1 d3))) (* d4 d1)) (* d1 d1)))>
* * * * [misc]progress:  [ 22 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (fma 1 (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))>
* * * * [misc]progress:  [ 23 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (fma d1 (- d2 d3) (* d4 d1)) (* d1 d1)))>
* * * * [misc]progress:  [ 24 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log (* (/ (exp (* d1 d2)) (exp (* d1 d3))) (exp (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (/ (exp (* d1 d2)) (exp (* d1 d3))) (exp (* d4 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (75 enodes)
* * [misc]simplify:  iters left: 2 (141 enodes)
* * [misc]simplify:  iters left: 1 (213 enodes)
* [exit]simplify:  Simplified to (exp (fma d1 (- d4 d3) (* d1 d2)))
* [exit]simplify:  Simplified to (exp (fma d1 (- d4 d3) (* d1 d2)))
* * * * [misc]progress:  [ 25 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log (* (exp (- (* d1 d2) (* d1 d3))) (exp (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (exp (- (* d1 d2) (* d1 d3))) (exp (* d4 d1)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (60 enodes)
* * [misc]simplify:  iters left: 3 (124 enodes)
* * [misc]simplify:  iters left: 2 (201 enodes)
* * [misc]simplify:  iters left: 1 (309 enodes)
* [exit]simplify:  Simplified to (exp (fma (- d4 d3) d1 (* d1 d2)))
* [exit]simplify:  Simplified to (exp (fma (- d4 d3) d1 (* d1 d2)))
* * * * [misc]progress:  [ 26 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (pow (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) 1) (* d1 d1)))>
* * * * [misc]progress:  [ 27 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (exp (log (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (log (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (103 enodes)
* * [misc]simplify:  iters left: 2 (166 enodes)
* * [misc]simplify:  iters left: 1 (217 enodes)
* [exit]simplify:  Simplified to (log (fma (- d4 d3) d1 (* d1 d2)))
* [exit]simplify:  Simplified to (log (fma (- d4 d3) d1 (* d1 d2)))
* * * * [misc]progress:  [ 28 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (log (exp (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (exp (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (69 enodes)
* * [misc]simplify:  iters left: 3 (151 enodes)
* * [misc]simplify:  iters left: 2 (253 enodes)
* * [misc]simplify:  iters left: 1 (375 enodes)
* [exit]simplify:  Simplified to (exp (fma d1 (- d2 d3) (* d1 d4)))
* [exit]simplify:  Simplified to (exp (fma d1 (- d2 d3) (* d1 d4)))
* * * * [misc]progress:  [ 29 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* (* (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (54 enodes)
* * [misc]simplify:  iters left: 3 (99 enodes)
* * [misc]simplify:  iters left: 2 (161 enodes)
* * [misc]simplify:  iters left: 1 (214 enodes)
* [exit]simplify:  Simplified to (* (cbrt (fma d1 (- d2 d3) (* d1 d4))) (cbrt (fma d1 (- d2 d3) (* d1 d4))))
* [exit]simplify:  Simplified to (* (cbrt (fma d1 (- d2 d3) (* d1 d4))) (cbrt (fma d1 (- d2 d3) (* d1 d4))))
* [enter]simplify:  Simplifying (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (98 enodes)
* * [misc]simplify:  iters left: 2 (160 enodes)
* * [misc]simplify:  iters left: 1 (211 enodes)
* [exit]simplify:  Simplified to (cbrt (fma (- d4 d3) d1 (* d1 d2)))
* [exit]simplify:  Simplified to (cbrt (fma (- d4 d3) d1 (* d1 d2)))
* * * * [misc]progress:  [ 30 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (cbrt (* (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (* (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (35 enodes)
* * [misc]simplify:  iters left: 4 (159 enodes)
* [exit]simplify:  Simplified to (pow (fma d1 (- d2 d3) (* d1 d4)) 3)
* [exit]simplify:  Simplified to (pow (fma d1 (- d2 d3) (* d1 d4)) 3)
* * * * [misc]progress:  [ 31 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (* d1 d1)))>
* [enter]simplify:  Simplifying (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (98 enodes)
* * [misc]simplify:  iters left: 2 (160 enodes)
* * [misc]simplify:  iters left: 1 (211 enodes)
* [exit]simplify:  Simplified to (sqrt (fma (- d4 d3) d1 (* d1 d2)))
* [exit]simplify:  Simplified to (sqrt (fma (- d4 d3) d1 (* d1 d2)))
* [enter]simplify:  Simplifying (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (98 enodes)
* * [misc]simplify:  iters left: 2 (160 enodes)
* * [misc]simplify:  iters left: 1 (211 enodes)
* [exit]simplify:  Simplified to (sqrt (fma (- d4 d3) d1 (* d1 d2)))
* [exit]simplify:  Simplified to (sqrt (fma (- d4 d3) d1 (* d1 d2)))
* * * * [misc]progress:  [ 32 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (/ (+ (pow (- (* d1 d2) (* d1 d3)) 3) (pow (* d4 d1) 3)) (+ (* (- (* d1 d2) (* d1 d3)) (- (* d1 d2) (* d1 d3))) (- (* (* d4 d1) (* d4 d1)) (* (- (* d1 d2) (* d1 d3)) (* d4 d1))))) (* d1 d1)))>
* [enter]simplify:  Simplifying (+ (pow (- (* d1 d2) (* d1 d3)) 3) (pow (* d4 d1) 3))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (90 enodes)
* * [misc]simplify:  iters left: 3 (317 enodes)
* [exit]simplify:  Simplified to (fma (pow (- d2 d3) 3) (pow d1 3) (pow (* d1 d4) 3))
* [exit]simplify:  Simplified to (fma (pow (- d2 d3) 3) (pow d1 3) (pow (* d1 d4) 3))
* [enter]simplify:  Simplifying (+ (* (- (* d1 d2) (* d1 d3)) (- (* d1 d2) (* d1 d3))) (- (* (* d4 d1) (* d4 d1)) (* (- (* d1 d2) (* d1 d3)) (* d4 d1))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (37 enodes)
* * [misc]simplify:  iters left: 4 (115 enodes)
* * [misc]simplify:  iters left: 3 (466 enodes)
* [exit]simplify:  Simplified to (fma (* d1 (* d4 d1)) (+ d3 (- d4 d2)) (* (* d1 (- d2 d3)) (* d1 (- d2 d3))))
* [exit]simplify:  Simplified to (fma (* d1 (* d4 d1)) (+ d3 (- d4 d2)) (* (* d1 (- d2 d3)) (* d1 (- d2 d3))))
* * * * [misc]progress:  [ 33 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* 1 (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (* d1 d1)))>
* * * * [misc]progress:  [ 34 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (/ (- (* (- (* d1 d2) (* d1 d3)) (- (* d1 d2) (* d1 d3))) (* (* d4 d1) (* d4 d1))) (- (- (* d1 d2) (* d1 d3)) (* d4 d1))) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (* (- (* d1 d2) (* d1 d3)) (- (* d1 d2) (* d1 d3))) (* (* d4 d1) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (84 enodes)
* * [misc]simplify:  iters left: 3 (306 enodes)
* [exit]simplify:  Simplified to (- (* (* d1 (- d2 d3)) (* d1 (- d2 d3))) (* (* d4 d1) (* d4 d1)))
* [exit]simplify:  Simplified to (- (* (* d1 (- d2 d3)) (* d1 (- d2 d3))) (* (* d4 d1) (* d4 d1)))
* [enter]simplify:  Simplifying (- (- (* d1 d2) (* d1 d3)) (* d4 d1))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (54 enodes)
* * [misc]simplify:  iters left: 3 (114 enodes)
* * [misc]simplify:  iters left: 2 (177 enodes)
* * [misc]simplify:  iters left: 1 (242 enodes)
* [exit]simplify:  Simplified to (fma (- d1) (+ d3 d4) (* d1 d2))
* [exit]simplify:  Simplified to (fma (- d1) (+ d3 d4) (* d1 d2))
* * * * [misc]progress:  [ 35 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (fma d1 d2 (- (* d3 d1))) (+ (fma (- d3) d1 (* d3 d1)) (* d4 d1))) (* d1 d1)))>
* [enter]simplify:  Simplifying (+ (fma (- d3) d1 (* d3 d1)) (* d4 d1))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (54 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (* d1 d4)
* [exit]simplify:  Simplified to (* d1 d4)
* * * * [misc]progress:  [ 36 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (* d1 d2) (+ (- (* d1 d3)) (* d4 d1))) (* d1 d1)))>
* [enter]simplify:  Simplifying (+ (- (* d1 d3)) (* d4 d1))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* [exit]simplify:  Simplified to (* (- d4 d3) d1)
* [exit]simplify:  Simplified to (* (- d4 d3) d1)
* * * * [misc]progress:  [ 37 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (* d1 d2) (+ (- (* d1 d3)) (* d4 d1))) (* d1 d1)))>
* [enter]simplify:  Simplifying (+ (- (* d1 d3)) (* d4 d1))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* [exit]simplify:  Simplified to (* (- d4 d3) d1)
* [exit]simplify:  Simplified to (* (- d4 d3) d1)
* * * * [misc]progress:  [ 38 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (- (* d1 d2) (- (* d1 d3) (* d4 d1))) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (* d1 d3) (* d4 d1))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (21 enodes)
* * [misc]simplify:  iters left: 1 (30 enodes)
* [exit]simplify:  Simplified to (* d1 (- d3 d4))
* [exit]simplify:  Simplified to (* d1 (- d3 d4))
* * * * [misc]progress:  [ 39 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (+ (* d4 d1) (- (* d1 d2) (* d1 d3))) (* d1 d1)))>
* * * * [misc]progress:  [ 40 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (fma (* (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (- (* d1 d1))) (fma (- d1) d1 (* d1 d1))))>
* [enter]simplify:  Simplifying (fma (* (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (- (* d1 d1)))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (64 enodes)
* * [misc]simplify:  iters left: 3 (113 enodes)
* * [misc]simplify:  iters left: 2 (175 enodes)
* * [misc]simplify:  iters left: 1 (283 enodes)
* [exit]simplify:  Simplified to (* (- (+ d2 d4) (+ d3 d1)) d1)
* [exit]simplify:  Simplified to (* (- (+ d2 d4) (+ d3 d1)) d1)
* [enter]simplify:  Simplifying (fma (- d1) d1 (* d1 d1))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* * * * [misc]progress:  [ 41 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (fma (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (- (* d1 d1))) (fma (- d1) d1 (* d1 d1))))>
* [enter]simplify:  Simplifying (fma (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (- (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (62 enodes)
* * [misc]simplify:  iters left: 3 (165 enodes)
* * [misc]simplify:  iters left: 2 (413 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d2 d3) (- d4 d1)))
* [exit]simplify:  Simplified to (* d1 (+ (- d2 d3) (- d4 d1)))
* [enter]simplify:  Simplifying (fma (- d1) d1 (* d1 d1))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* * * * [misc]progress:  [ 42 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (fma 1 (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (- (* d1 d1))) (fma (- d1) d1 (* d1 d1))))>
* [enter]simplify:  Simplifying (fma 1 (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (- (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (73 enodes)
* * [misc]simplify:  iters left: 3 (219 enodes)
* [exit]simplify:  Simplified to (* (+ (- d2 d3) (- d4 d1)) d1)
* [exit]simplify:  Simplified to (* (+ (- d2 d3) (- d4 d1)) d1)
* [enter]simplify:  Simplifying (fma (- d1) d1 (* d1 d1))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* [exit]simplify:  Simplified to (- (* d1 d1) (* d1 d1))
* * * * [misc]progress:  [ 43 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log1p (expm1 (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (expm1 (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (82 enodes)
* * [misc]simplify:  iters left: 3 (241 enodes)
* [exit]simplify:  Simplified to (expm1 (* (+ (- d2 d3) (- d4 d1)) d1))
* [exit]simplify:  Simplified to (expm1 (* (+ (- d2 d3) (- d4 d1)) d1))
* * * * [misc]progress:  [ 44 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (expm1 (log1p (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (log1p (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (82 enodes)
* * [misc]simplify:  iters left: 3 (241 enodes)
* [exit]simplify:  Simplified to (log1p (* (+ (- d2 d3) (- d4 d1)) d1))
* [exit]simplify:  Simplified to (log1p (* (+ (- d2 d3) (- d4 d1)) d1))
* * * * [misc]progress:  [ 45 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (fma (* (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)))) (cbrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 46 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (fma (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 47 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (fma 1 (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 48 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log (/ (* (/ (exp (* d1 d2)) (exp (* d1 d3))) (exp (* d4 d1))) (exp (* d1 d1)))))>
* [enter]simplify:  Simplifying (/ (* (/ (exp (* d1 d2)) (exp (* d1 d3))) (exp (* d4 d1))) (exp (* d1 d1)))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (55 enodes)
* * [misc]simplify:  iters left: 3 (124 enodes)
* * [misc]simplify:  iters left: 2 (297 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (- (+ d2 d4) (+ d1 d3)))
* [exit]simplify:  Simplified to (pow (exp d1) (- (+ d2 d4) (+ d1 d3)))
* * * * [misc]progress:  [ 49 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log (/ (* (exp (- (* d1 d2) (* d1 d3))) (exp (* d4 d1))) (exp (* d1 d1)))))>
* [enter]simplify:  Simplifying (/ (* (exp (- (* d1 d2) (* d1 d3))) (exp (* d4 d1))) (exp (* d1 d1)))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (34 enodes)
* * [misc]simplify:  iters left: 4 (74 enodes)
* * [misc]simplify:  iters left: 3 (173 enodes)
* * [misc]simplify:  iters left: 2 (396 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (+ (- d2 d3) (- d4 d1)))
* [exit]simplify:  Simplified to (pow (exp d1) (+ (- d2 d3) (- d4 d1)))
* * * * [misc]progress:  [ 50 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log (/ (exp (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (exp (* d1 d1)))))>
* [enter]simplify:  Simplifying (/ (exp (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (exp (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (85 enodes)
* * [misc]simplify:  iters left: 3 (245 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (- (+ d2 d4) (+ d3 d1)))
* [exit]simplify:  Simplified to (pow (exp d1) (- (+ d2 d4) (+ d3 d1)))
* * * * [misc]progress:  [ 51 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (pow (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) 1))>
* * * * [misc]progress:  [ 52 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (exp (log (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (log (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (82 enodes)
* * [misc]simplify:  iters left: 3 (241 enodes)
* [exit]simplify:  Simplified to (log (* (- (+ d2 d4) (+ d3 d1)) d1))
* [exit]simplify:  Simplified to (log (* (- (+ d2 d4) (+ d3 d1)) d1))
* * * * [misc]progress:  [ 53 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log (exp (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (exp (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (98 enodes)
* * [misc]simplify:  iters left: 3 (309 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (+ (- d4 d1) (- d2 d3)))
* [exit]simplify:  Simplified to (pow (exp d1) (+ (- d4 d1) (- d2 d3)))
* * * * [misc]progress:  [ 54 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* (cbrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))) (cbrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))) (cbrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (* (cbrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))) (cbrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (28 enodes)
* * [misc]simplify:  iters left: 4 (83 enodes)
* * [misc]simplify:  iters left: 3 (242 enodes)
* [exit]simplify:  Simplified to (* (cbrt (* d1 (+ (- d4 d1) (- d2 d3)))) (cbrt (* d1 (+ (- d4 d1) (- d2 d3)))))
* [exit]simplify:  Simplified to (* (cbrt (* d1 (+ (- d4 d1) (- d2 d3)))) (cbrt (* d1 (+ (- d4 d1) (- d2 d3)))))
* [enter]simplify:  Simplifying (cbrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (82 enodes)
* * [misc]simplify:  iters left: 3 (241 enodes)
* [exit]simplify:  Simplified to (cbrt (* (+ (- d2 d3) (- d4 d1)) d1))
* [exit]simplify:  Simplified to (cbrt (* (+ (- d2 d3) (- d4 d1)) d1))
* * * * [misc]progress:  [ 55 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (cbrt (* (* (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))) (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (* (* (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))) (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (29 enodes)
* * [misc]simplify:  iters left: 4 (110 enodes)
* [exit]simplify:  Simplified to (pow (* d1 (+ (- d2 d3) (- d4 d1))) 3)
* [exit]simplify:  Simplified to (pow (* d1 (+ (- d2 d3) (- d4 d1))) 3)
* * * * [misc]progress:  [ 56 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (sqrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))) (sqrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))))>
* [enter]simplify:  Simplifying (sqrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (82 enodes)
* * [misc]simplify:  iters left: 3 (241 enodes)
* [exit]simplify:  Simplified to (sqrt (* (+ (- d2 d3) (- d4 d1)) d1))
* [exit]simplify:  Simplified to (sqrt (* (+ (- d2 d3) (- d4 d1)) d1))
* [enter]simplify:  Simplifying (sqrt (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (82 enodes)
* * [misc]simplify:  iters left: 3 (241 enodes)
* [exit]simplify:  Simplified to (sqrt (* (+ (- d2 d3) (- d4 d1)) d1))
* [exit]simplify:  Simplified to (sqrt (* (+ (- d2 d3) (- d4 d1)) d1))
* * * * [misc]progress:  [ 57 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (- (pow (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) 3) (pow (* d1 d1) 3)) (+ (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (+ (* (* d1 d1) (* d1 d1)) (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))))))>
* [enter]simplify:  Simplifying (- (pow (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) 3) (pow (* d1 d1) 3))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (35 enodes)
* * [misc]simplify:  iters left: 4 (103 enodes)
* * [misc]simplify:  iters left: 3 (383 enodes)
* [exit]simplify:  Simplified to (fma (* (fma (- d2 d3) d1 (* d1 d4)) (fma (- d2 d3) d1 (* d1 d4))) (fma (- d2 d3) d1 (* d1 d4)) (* (- (* d1 d1)) (* (* d1 d1) (* d1 d1))))
* [exit]simplify:  Simplified to (fma (* (fma (- d2 d3) d1 (* d1 d4)) (fma (- d2 d3) d1 (* d1 d4))) (fma (- d2 d3) d1 (* d1 d4)) (* (- (* d1 d1)) (* (* d1 d1) (* d1 d1))))
* [enter]simplify:  Simplifying (+ (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (+ (* (* d1 d1) (* d1 d1)) (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (47 enodes)
* * [misc]simplify:  iters left: 4 (163 enodes)
* [exit]simplify:  Simplified to (fma (* d1 d1) (fma d1 (- d2 d3) (* d1 d4)) (fma (fma d1 (- d2 d3) (* d1 d4)) (fma d1 (- d2 d3) (* d1 d4)) (* (* d1 d1) (* d1 d1))))
* [exit]simplify:  Simplified to (fma (* d1 d1) (fma d1 (- d2 d3) (* d1 d4)) (fma (fma d1 (- d2 d3) (* d1 d4)) (fma d1 (- d2 d3) (* d1 d4)) (* (* d1 d1) (* d1 d1))))
* * * * [misc]progress:  [ 58 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 59 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* 1 (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))))>
* * * * [misc]progress:  [ 60 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (- (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (* (* d1 d1) (* d1 d1))) (+ (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) (* (* d1 d1) (* d1 d1)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (40 enodes)
* * [misc]simplify:  iters left: 4 (140 enodes)
* [exit]simplify:  Simplified to (fma (fma (- d2 d3) d1 (* d1 d4)) (fma (- d2 d3) d1 (* d1 d4)) (* (pow d1 3) (- d1)))
* [exit]simplify:  Simplified to (fma (fma (- d2 d3) d1 (* d1 d4)) (fma (- d2 d3) d1 (* d1 d4)) (* (pow d1 3) (- d1)))
* [enter]simplify:  Simplifying (+ (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (77 enodes)
* * [misc]simplify:  iters left: 3 (209 enodes)
* * [misc]simplify:  iters left: 2 (474 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d1 d3) (+ d4 d2)))
* [exit]simplify:  Simplified to (* d1 (+ (- d1 d3) (+ d4 d2)))
* * * * [misc]progress:  [ 61 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (+ (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) d1) (- (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) d1)))>
* [enter]simplify:  Simplifying (+ (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) d1)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (55 enodes)
* * [misc]simplify:  iters left: 3 (100 enodes)
* * [misc]simplify:  iters left: 2 (162 enodes)
* * [misc]simplify:  iters left: 1 (213 enodes)
* [exit]simplify:  Simplified to (+ d1 (sqrt (fma d1 (- d2 d3) (* d1 d4))))
* [exit]simplify:  Simplified to (+ d1 (sqrt (fma d1 (- d2 d3) (* d1 d4))))
* [enter]simplify:  Simplifying (- (sqrt (+ (- (* d1 d2) (* d1 d3)) (* d4 d1))) d1)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (56 enodes)
* * [misc]simplify:  iters left: 3 (100 enodes)
* * [misc]simplify:  iters left: 2 (162 enodes)
* * [misc]simplify:  iters left: 1 (215 enodes)
* [exit]simplify:  Simplified to (- (sqrt (fma d1 (- d2 d3) (* d1 d4))) d1)
* [exit]simplify:  Simplified to (- (sqrt (fma d1 (- d2 d3) (* d1 d4))) d1)
* * * * [misc]progress:  [ 62 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (- (* d1 d2) (* d1 d3)) (- (* d4 d1) (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d4 d1) (* d1 d1))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* * [misc]simplify:  iters left: 1 (22 enodes)
* [exit]simplify:  Simplified to (* d1 (- d4 d1))
* [exit]simplify:  Simplified to (* d1 (- d4 d1))
* * * * [misc]progress:  [ 63 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (+ (- (* d1 d3) (* d4 d1)) (* d1 d1))))>
* [enter]simplify:  Simplifying (+ (- (* d1 d3) (* d4 d1)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (42 enodes)
* * [misc]simplify:  iters left: 3 (86 enodes)
* * [misc]simplify:  iters left: 2 (151 enodes)
* * [misc]simplify:  iters left: 1 (196 enodes)
* [exit]simplify:  Simplified to (fma d1 (- d1 d4) (* d1 d3))
* [exit]simplify:  Simplified to (fma d1 (- d1 d4) (* d1 d3))
* * * * [misc]progress:  [ 64 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (- (* d1 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d1))
* * [misc]simplify:  iters left: 4 (3 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (* (- d1) d1)
* [exit]simplify:  Simplified to (* (- d1) d1)
* * * * [misc]progress:  [ 65 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (- (* d2 d1) (* d3 d1)) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (+ (- (* d2 d1) (* d3 d1)) (* d4 d1)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (81 enodes)
* * [misc]simplify:  iters left: 3 (240 enodes)
* [exit]simplify:  Simplified to (* d1 (- (+ d2 d4) (+ d3 d1)))
* * * * [misc]progress:  [ 66 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (- (* d2 d1) (* d3 d1)) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (+ (- (* d2 d1) (* d3 d1)) (* d4 d1)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (81 enodes)
* * [misc]simplify:  iters left: 3 (240 enodes)
* [exit]simplify:  Simplified to (* d1 (- (+ d2 d4) (+ d3 d1)))
* * * * [misc]progress:  [ 67 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (- (* d2 d1) (* d3 d1)) (* d4 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (+ (- (* d2 d1) (* d3 d1)) (* d4 d1)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (81 enodes)
* * [misc]simplify:  iters left: 3 (240 enodes)
* [exit]simplify:  Simplified to (* d1 (- (+ d2 d4) (+ d3 d1)))
* * * * [misc]progress:  [ 68 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- 0 (* d1 d1)))>
* [enter]simplify:  Simplifying (- 0 (* d1 d1))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (17 enodes)
* [exit]simplify:  Simplified to (- (* d1 d1))
* * * * [misc]progress:  [ 69 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (- (+ (* d4 d1) (* d2 d1)) (* d3 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (- (+ (* d4 d1) (* d2 d1)) (* d3 d1)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (79 enodes)
* * [misc]simplify:  iters left: 3 (209 enodes)
* * [misc]simplify:  iters left: 2 (447 enodes)
* [exit]simplify:  Simplified to (* (- (+ d2 d4) (+ d1 d3)) d1)
* * * * [misc]progress:  [ 70 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (- (+ (* d4 d1) (* d2 d1)) (* d3 d1)) (* d1 d1)))>
* [enter]simplify:  Simplifying (- (- (+ (* d4 d1) (* d2 d1)) (* d3 d1)) (* d1 d1))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (79 enodes)
* * [misc]simplify:  iters left: 3 (209 enodes)
* * [misc]simplify:  iters left: 2 (447 enodes)
* [exit]simplify:  Simplified to (* (- (+ d2 d4) (+ d1 d3)) d1)
* * * * [misc]progress:  [ 71 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (* d2 d1) (+ (pow d1 2) (* d3 d1))))>
* [enter]simplify:  Simplifying (- (* d2 d1) (+ (pow d1 2) (* d3 d1)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (76 enodes)
* * [misc]simplify:  iters left: 2 (140 enodes)
* * [misc]simplify:  iters left: 1 (203 enodes)
* [exit]simplify:  Simplified to (fma (- d1) (+ d1 d3) (* d2 d1))
* * * * [misc]progress:  [ 72 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (* d4 d1) (* d2 d1)) (* d3 d1)))>
* [enter]simplify:  Simplifying (- (+ (* d4 d1) (* d2 d1)) (* d3 d1))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (124 enodes)
* * [misc]simplify:  iters left: 1 (150 enodes)
* [exit]simplify:  Simplified to (fma (- d2 d3) d1 (* d4 d1))
* * * * [misc]progress:  [ 73 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (* d4 d1) (* d2 d1)) (* d3 d1)))>
* [enter]simplify:  Simplifying (- (+ (* d4 d1) (* d2 d1)) (* d3 d1))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (124 enodes)
* * [misc]simplify:  iters left: 1 (150 enodes)
* [exit]simplify:  Simplified to (fma (- d2 d3) d1 (* d4 d1))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (fma d1 (- d1 d4) (* d1 d3))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2 2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (fma d1 (- d1 d4) (* d1 d3)) in (d1 d4 d3) around 0
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d1 d4) (* d1 d3)) in d3
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d1 d4)) (* d1 d3))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d1 d4) (* d1 d3)) in d4
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d1 d4)) (* d1 d3))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- d1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d1 d4) (* d1 d3)) in d1
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d1 d4)) (* d1 d3))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- d1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of (fma d1 (- d1 d4) (* d1 d3)) in d1
* [misc]taylor:  Rewrote expression to (+ (* d1 (- d1 d4)) (* d1 d3))
* [misc]taylor:  Taking taylor expansion of (* d1 (- d1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- d1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (* d1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (+ 0 (- d4)) into (- d4)
* [misc]backup-simplify:  Simplify (* 0 (- d4)) into 0
* [misc]backup-simplify:  Simplify (* 0 d3) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 (- d4))) into (- d4)
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 d3)) into d3
* [misc]backup-simplify:  Simplify (+ (- d4) d3) into (- d3 d4)
* [misc]taylor:  Taking taylor expansion of (- d3 d4) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ d3 0) into d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 (- d4)))) into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 d3))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* d3 (* 1 d1))) (+ (* -1 (* 1 (* d4 d1))) (* 1 (pow (* 1 (* 1 d1)) 2)))) into (- (+ (pow d1 2) (* d3 d1)) (* d4 d1))
* [misc]approximate:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d1) (/ 1 d4)) (* (/ 1 d1) (/ 1 d3))) in (d1 d4 d3) around 0
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d1) (/ 1 d4)) (* (/ 1 d1) (/ 1 d3))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d1) (/ 1 d4))) (* (/ 1 d1) (/ 1 d3)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d1) (/ 1 d4))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d1) (/ 1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d1) (/ 1 d4)) (* (/ 1 d1) (/ 1 d3))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d1) (/ 1 d4))) (* (/ 1 d1) (/ 1 d3)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d1) (/ 1 d4))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d1) (/ 1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d1) (/ 1 d4)) (* (/ 1 d1) (/ 1 d3))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d1) (/ 1 d4))) (* (/ 1 d1) (/ 1 d3)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d1) (/ 1 d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d1) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 d1) (- (/ 1 d1) (/ 1 d4)) (* (/ 1 d1) (/ 1 d3))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 d1) (- (/ 1 d1) (/ 1 d4))) (* (/ 1 d1) (/ 1 d3)))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (/ 1 d1) (/ 1 d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d1) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (/ 1 d3)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 d4)) into (- (/ 1 d4))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d4))) into (- (/ 1 d4))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (- (/ 1 d4))) (* 0 1)) into (- (/ 1 d4))
* [misc]backup-simplify:  Simplify (* 1 (/ 1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d4)) (/ 1 d3)) into (- (/ 1 d3) (/ 1 d4))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3) (/ 1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 (- (/ 1 d4))) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 d3))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d3) 0) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (pow (* 1 (* 1 (/ 1 (/ 1 d1)))) 2)) (+ (* -1 (* 1 (* (/ 1 (/ 1 d4)) (/ 1 (/ 1 d1))))) (* 1 (* (/ 1 (/ 1 d3)) (* 1 (/ 1 (/ 1 d1))))))) into (- (+ (pow d1 2) (* d3 d1)) (* d4 d1))
* [misc]approximate:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d1)) (/ 1 (- d4))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in (d1 d4 d3) around 0
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d1)) (/ 1 (- d4))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d3
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d1)) (/ 1 (- d4)))) (* (/ 1 (- d1)) (/ 1 (- d3))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d1)) (/ 1 (- d4)))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d1)) (/ 1 (- d4))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d1)) (/ 1 (- d4))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d4
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d1)) (/ 1 (- d4)))) (* (/ 1 (- d1)) (/ 1 (- d3))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d1)) (/ 1 (- d4)))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d1)) (/ 1 (- d4))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d1)) (/ 1 (- d4))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d1)) (/ 1 (- d4)))) (* (/ 1 (- d1)) (/ 1 (- d3))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d1)) (/ 1 (- d4)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d1)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (fma (/ 1 (- d1)) (- (/ 1 (- d1)) (/ 1 (- d4))) (* (/ 1 (- d1)) (/ 1 (- d3)))) in d1
* [misc]taylor:  Rewrote expression to (+ (* (/ 1 (- d1)) (- (/ 1 (- d1)) (/ 1 (- d4)))) (* (/ 1 (- d1)) (/ 1 (- d3))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (/ 1 (- d1)) (/ 1 (- d4)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- d1)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (/ 1 (- d3))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ -1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 d4)) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 (/ 1 d4)) (* 0 -1)) into (- (/ 1 d4))
* [misc]backup-simplify:  Simplify (* -1 (/ -1 d3)) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ (- (/ 1 d4)) (/ 1 d3)) into (- (/ 1 d3) (/ 1 d4))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3) (/ 1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 (/ 1 d4)) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (/ -1 d3))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d3) 0) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (pow (* 1 (* 1 (/ 1 (/ 1 (- d1))))) 2)) (+ (* -1 (* 1 (* (/ 1 (/ 1 (- d4))) (/ 1 (/ 1 (- d1)))))) (* 1 (* (/ 1 (/ 1 (- d3))) (* 1 (/ 1 (/ 1 (- d1)))))))) into (- (+ (pow d1 2) (* d3 d1)) (* d4 d1))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 13 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (log1p (expm1 (fma d1 (- d1 d4) (* d1 d3))))))>
* [enter]simplify:  Simplifying (expm1 (fma d1 (- d1 d4) (* d1 d3)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (49 enodes)
* [exit]simplify:  Simplified to (expm1 (fma (- d1 d4) d1 (* d3 d1)))
* [exit]simplify:  Simplified to (expm1 (fma (- d1 d4) d1 (* d3 d1)))
* * * * [misc]progress:  [ 2 / 13 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (expm1 (log1p (fma d1 (- d1 d4) (* d1 d3))))))>
* [enter]simplify:  Simplifying (log1p (fma d1 (- d1 d4) (* d1 d3)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (49 enodes)
* [exit]simplify:  Simplified to (log1p (fma (- d1 d4) d1 (* d3 d1)))
* [exit]simplify:  Simplified to (log1p (fma (- d1 d4) d1 (* d3 d1)))
* * * * [misc]progress:  [ 3 / 13 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (+ (* d1 (- d1 d4)) (* d1 d3))))>
* [enter]simplify:  Simplifying (* d1 (- d1 d4))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (21 enodes)
* [exit]simplify:  Simplified to (* d1 (- d1 d4))
* [exit]simplify:  Simplified to (* d1 (- d1 d4))
* * * * [misc]progress:  [ 4 / 13 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (pow (fma d1 (- d1 d4) (* d1 d3)) 1)))>
* * * * [misc]progress:  [ 5 / 13 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (exp (log (fma d1 (- d1 d4) (* d1 d3))))))>
* [enter]simplify:  Simplifying (log (fma d1 (- d1 d4) (* d1 d3)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (52 enodes)
* [exit]simplify:  Simplified to (log (fma (- d1 d4) d1 (* d3 d1)))
* [exit]simplify:  Simplified to (log (fma (- d1 d4) d1 (* d3 d1)))
* * * * [misc]progress:  [ 6 / 13 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (log (exp (fma d1 (- d1 d4) (* d1 d3))))))>
* [enter]simplify:  Simplifying (exp (fma d1 (- d1 d4) (* d1 d3)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (25 enodes)
* * [misc]simplify:  iters left: 1 (66 enodes)
* [exit]simplify:  Simplified to (exp (fma (- d1 d4) d1 (* d3 d1)))
* [exit]simplify:  Simplified to (exp (fma (- d1 d4) d1 (* d3 d1)))
* * * * [misc]progress:  [ 7 / 13 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (* (* (cbrt (fma d1 (- d1 d4) (* d1 d3))) (cbrt (fma d1 (- d1 d4) (* d1 d3)))) (cbrt (fma d1 (- d1 d4) (* d1 d3))))))>
* [enter]simplify:  Simplifying (* (cbrt (fma d1 (- d1 d4) (* d1 d3))) (cbrt (fma d1 (- d1 d4) (* d1 d3))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (50 enodes)
* * [misc]simplify:  iters left: 2 (87 enodes)
* * [misc]simplify:  iters left: 1 (131 enodes)
* [exit]simplify:  Simplified to (* (cbrt (fma (- d3 d4) d1 (* d1 d1))) (cbrt (fma (- d3 d4) d1 (* d1 d1))))
* [exit]simplify:  Simplified to (* (cbrt (fma (- d3 d4) d1 (* d1 d1))) (cbrt (fma (- d3 d4) d1 (* d1 d1))))
* [enter]simplify:  Simplifying (cbrt (fma d1 (- d1 d4) (* d1 d3)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (49 enodes)
* [exit]simplify:  Simplified to (cbrt (fma (- d1 d4) d1 (* d3 d1)))
* [exit]simplify:  Simplified to (cbrt (fma (- d1 d4) d1 (* d3 d1)))
* * * * [misc]progress:  [ 8 / 13 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (cbrt (* (* (fma d1 (- d1 d4) (* d1 d3)) (fma d1 (- d1 d4) (* d1 d3))) (fma d1 (- d1 d4) (* d1 d3))))))>
* [enter]simplify:  Simplifying (* (* (fma d1 (- d1 d4) (* d1 d3)) (fma d1 (- d1 d4) (* d1 d3))) (fma d1 (- d1 d4) (* d1 d3)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (181 enodes)
* [exit]simplify:  Simplified to (pow (fma (- d1 d4) d1 (* d3 d1)) 3)
* [exit]simplify:  Simplified to (pow (fma (- d1 d4) d1 (* d3 d1)) 3)
* * * * [misc]progress:  [ 9 / 13 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (* (sqrt (fma d1 (- d1 d4) (* d1 d3))) (sqrt (fma d1 (- d1 d4) (* d1 d3))))))>
* [enter]simplify:  Simplifying (sqrt (fma d1 (- d1 d4) (* d1 d3)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (49 enodes)
* [exit]simplify:  Simplified to (sqrt (fma (- d1 d4) d1 (* d3 d1)))
* [exit]simplify:  Simplified to (sqrt (fma (- d1 d4) d1 (* d3 d1)))
* [enter]simplify:  Simplifying (sqrt (fma d1 (- d1 d4) (* d1 d3)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (49 enodes)
* [exit]simplify:  Simplified to (sqrt (fma (- d1 d4) d1 (* d3 d1)))
* [exit]simplify:  Simplified to (sqrt (fma (- d1 d4) d1 (* d3 d1)))
* * * * [misc]progress:  [ 10 / 13 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (* 1 (fma d1 (- d1 d4) (* d1 d3)))))>
* * * * [misc]progress:  [ 11 / 13 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (* d1 d2) (- (+ (pow d1 2) (* d3 d1)) (* d4 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d2) (- (+ (pow d1 2) (* d3 d1)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (70 enodes)
* * [misc]simplify:  iters left: 3 (172 enodes)
* * [misc]simplify:  iters left: 2 (426 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d2 d3) (- d4 d1)))
* * * * [misc]progress:  [ 12 / 13 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (* d1 d2) (- (+ (pow d1 2) (* d3 d1)) (* d4 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d2) (- (+ (pow d1 2) (* d3 d1)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (70 enodes)
* * [misc]simplify:  iters left: 3 (172 enodes)
* * [misc]simplify:  iters left: 2 (426 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d2 d3) (- d4 d1)))
* * * * [misc]progress:  [ 13 / 13 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (* d1 d2) (- (+ (pow d1 2) (* d3 d1)) (* d4 d1))))>
* [enter]simplify:  Simplifying (- (* d1 d2) (- (+ (pow d1 2) (* d3 d1)) (* d4 d1)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (70 enodes)
* * [misc]simplify:  iters left: 3 (172 enodes)
* * [misc]simplify:  iters left: 2 (426 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d2 d3) (- d4 d1)))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 3 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (d1 d2 d3 d4) (* d1 (- (+ d2 d4) (+ d3 d1))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (* d1 (- (+ d2 d4) (+ d3 d1))) in (d1 d2 d4 d3) around 0
* [misc]taylor:  Taking taylor expansion of (* d1 (- (+ d2 d4) (+ d3 d1))) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (+ d2 d4) (+ d3 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (+ d2 d4) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (+ d3 d1) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 (- (+ d2 d4) (+ d3 d1))) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (+ d2 d4) (+ d3 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (+ d2 d4) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ d3 d1) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 (- (+ d2 d4) (+ d3 d1))) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (+ d2 d4) (+ d3 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (+ d2 d4) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (+ d3 d1) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (* d1 (- (+ d2 d4) (+ d3 d1))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (+ d2 d4) (+ d3 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (+ d2 d4) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (+ d3 d1) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* d1 (- (+ d2 d4) (+ d3 d1))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (+ d2 d4) (+ d3 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (+ d2 d4) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of (+ d3 d1) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ d2 d4) into (+ d2 d4)
* [misc]backup-simplify:  Simplify (+ d3 0) into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ (+ d2 d4) (- d3)) into (- (+ d2 d4) d3)
* [misc]backup-simplify:  Simplify (* 0 (- (+ d2 d4) d3)) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ (* 0 -1) (* 1 (- (+ d2 d4) d3))) into (- (+ d2 d4) d3)
* [misc]taylor:  Taking taylor expansion of (- (+ d2 d4) d3) in d2
* [misc]taylor:  Taking taylor expansion of (+ d2 d4) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (+ 0 d4) into d4
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ d4 (- d3)) into (- d4 d3)
* [misc]taylor:  Taking taylor expansion of (- d4 d3) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (+ 0 (- d3)) into (- d3)
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 -1) (* 0 (- (+ d2 d4) d3)))) into (- 1)
* [misc]taylor:  Taking taylor expansion of (- 1) in d2
* [misc]taylor:  Taking taylor expansion of 1 in d2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* d4 (* 1 d1)))) (+ (* 1 (* 1 (* 1 (* d2 d1)))) (* -1 (pow (* 1 (* 1 (* 1 d1))) 2)))) into (- (+ (* d4 d1) (* d2 d1)) (pow d1 2))
* [misc]approximate:  Taking taylor expansion of (* (/ 1 d1) (- (+ (/ 1 d2) (/ 1 d4)) (+ (/ 1 d3) (/ 1 d1)))) in (d1 d2 d4 d3) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (+ (/ 1 d2) (/ 1 d4)) (+ (/ 1 d3) (/ 1 d1)))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (+ (/ 1 d3) (/ 1 d1))) in d3
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d3) (/ 1 d1)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (+ (/ 1 d2) (/ 1 d4)) (+ (/ 1 d3) (/ 1 d1)))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (+ (/ 1 d3) (/ 1 d1))) in d4
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d3) (/ 1 d1)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (+ (/ 1 d2) (/ 1 d4)) (+ (/ 1 d3) (/ 1 d1)))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (+ (/ 1 d3) (/ 1 d1))) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d3) (/ 1 d1)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (+ (/ 1 d2) (/ 1 d4)) (+ (/ 1 d3) (/ 1 d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (+ (/ 1 d3) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d3) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (+ (/ 1 d2) (/ 1 d4)) (+ (/ 1 d3) (/ 1 d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d2) (/ 1 d4)) (+ (/ 1 d3) (/ 1 d1))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d2) (/ 1 d4)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d3) (/ 1 d1)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (/ 1 d2) (/ 1 d4)) into (+ (/ 1 d4) (/ 1 d2))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d3) 0) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (+ (/ 1 d4) (/ 1 d2)) (- (/ 1 d3))) into (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3))) (* 0 -1)) into (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d4) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3))) (* 0 -1))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)) (* 0 (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)) (* 0 (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3))) (* 0 -1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d3))) into (- (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1)))))) (+ (* 1 (* 1 (* (/ 1 (/ 1 d4)) (* 1 (/ 1 (/ 1 d1)))))) (* -1 (* (/ 1 (/ 1 d3)) (* 1 (* 1 (/ 1 (/ 1 d1)))))))) into (- (+ (* d4 d1) (* d2 d1)) (* d3 d1))
* [misc]approximate:  Taking taylor expansion of (* (/ 1 (- d1)) (- (+ (/ 1 (- d2)) (/ 1 (- d4))) (+ (/ 1 (- d3)) (/ 1 (- d1))))) in (d1 d2 d4 d3) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (+ (/ 1 (- d2)) (/ 1 (- d4))) (+ (/ 1 (- d3)) (/ 1 (- d1))))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- d2)) (/ 1 (- d4))) (+ (/ 1 (- d3)) (/ 1 (- d1)))) in d3
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d2)) (/ 1 (- d4))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d3
* [misc]taylor:  Taking taylor expansion of (- d2) in d3
* [misc]taylor:  Taking taylor expansion of d2 in d3
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d3
* [misc]taylor:  Taking taylor expansion of (- d4) in d3
* [misc]taylor:  Taking taylor expansion of d4 in d3
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d3)) (/ 1 (- d1))) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d3
* [misc]taylor:  Taking taylor expansion of (- d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d3
* [misc]taylor:  Taking taylor expansion of (- d1) in d3
* [misc]taylor:  Taking taylor expansion of d1 in d3
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (+ (/ 1 (- d2)) (/ 1 (- d4))) (+ (/ 1 (- d3)) (/ 1 (- d1))))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- d2)) (/ 1 (- d4))) (+ (/ 1 (- d3)) (/ 1 (- d1)))) in d4
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d2)) (/ 1 (- d4))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d4
* [misc]taylor:  Taking taylor expansion of (- d2) in d4
* [misc]taylor:  Taking taylor expansion of d2 in d4
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d4
* [misc]taylor:  Taking taylor expansion of (- d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d3)) (/ 1 (- d1))) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d4
* [misc]taylor:  Taking taylor expansion of (- d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d4
* [misc]taylor:  Taking taylor expansion of (- d1) in d4
* [misc]taylor:  Taking taylor expansion of d1 in d4
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (+ (/ 1 (- d2)) (/ 1 (- d4))) (+ (/ 1 (- d3)) (/ 1 (- d1))))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- d2)) (/ 1 (- d4))) (+ (/ 1 (- d3)) (/ 1 (- d1)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d2)) (/ 1 (- d4))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d2
* [misc]taylor:  Taking taylor expansion of (- d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d3)) (/ 1 (- d1))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d2
* [misc]taylor:  Taking taylor expansion of (- d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (+ (/ 1 (- d2)) (/ 1 (- d4))) (+ (/ 1 (- d3)) (/ 1 (- d1))))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- d2)) (/ 1 (- d4))) (+ (/ 1 (- d3)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d2)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d3)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (+ (/ 1 (- d2)) (/ 1 (- d4))) (+ (/ 1 (- d3)) (/ 1 (- d1))))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (- d2)) (/ 1 (- d4))) (+ (/ 1 (- d3)) (/ 1 (- d1)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d2)) (/ 1 (- d4))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d4)) in d1
* [misc]taylor:  Taking taylor expansion of (- d4) in d1
* [misc]taylor:  Taking taylor expansion of d4 in d1
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (/ 1 (- d4)) into (/ -1 d4)
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- d3)) (/ 1 (- d1))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d3)) in d1
* [misc]taylor:  Taking taylor expansion of (- d3) in d1
* [misc]taylor:  Taking taylor expansion of d3 in d1
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (/ 1 (- d3)) into (/ -1 d3)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* -1 1) into -1
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (/ -1 d2) (/ -1 d4)) into (- (+ (/ 1 d4) (/ 1 d2)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ -1 d3) 0) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (- (- (/ 1 d3))) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ (- (+ (/ 1 d4) (/ 1 d2))) (/ 1 d3)) into (- (/ 1 d3) (+ (/ 1 d4) (/ 1 d2)))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 (- (/ 1 d3) (+ (/ 1 d4) (/ 1 d2)))) (* 0 1)) into (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 d4) (/ 1 d2)) (/ 1 d3)) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 d4) (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d2
* [misc]taylor:  Taking taylor expansion of d4 in d2
* [misc]backup-simplify:  Simplify d4 into d4
* [misc]backup-simplify:  Simplify (/ 1 d4) into (/ 1 d4)
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d2
* [misc]taylor:  Taking taylor expansion of d3 in d2
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d4
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d4
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 (- (/ 1 d3) (+ (/ 1 d4) (/ 1 d2)))) (* 0 1))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) 0) into (/ 1 d4)
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ (/ 1 d4) (- (/ 1 d3))) into (- (/ 1 d4) (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d4) (/ 1 d3)) in d4
* [misc]taylor:  Taking taylor expansion of (/ 1 d4) in d4
* [misc]taylor:  Taking taylor expansion of d4 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d4
* [misc]taylor:  Taking taylor expansion of d3 in d4
* [misc]backup-simplify:  Simplify d3 into d3
* [misc]backup-simplify:  Simplify (/ 1 d3) into (/ 1 d3)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 1 in d3
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of -1 in d3
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d4) into (- d4)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d4) (/ 0 (- d4))) (* 0 (/ 0 (- d4))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d3) into (- d3)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d3) (/ 0 (- d3))) (* 0 (/ 0 (- d3))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (- (/ 1 d3) (+ (/ 1 d4) (/ 1 d2)))) (* 0 1)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d4) (/ 0 d4)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d3) (/ 0 d3)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d4
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 d3)) into (- (/ 1 d3))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 d3))) into (- (/ 1 d3))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d3)) in d3
* [misc]taylor:  Taking taylor expansion of (/ 1 d3) in d3
* [misc]taylor:  Taking taylor expansion of d3 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]taylor:  Taking taylor expansion of 0 in d3
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* 1 (* 1 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1))))))) (+ (* 1 (* 1 (* (/ 1 (/ 1 (- d4))) (* 1 (/ 1 (/ 1 (- d1))))))) (* -1 (* (/ 1 (/ 1 (- d3))) (* 1 (* 1 (/ 1 (/ 1 (- d1))))))))) into (- (+ (* d4 d1) (* d2 d1)) (* d3 d1))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log1p (expm1 (* d1 (- (+ d2 d4) (+ d3 d1))))))>
* [enter]simplify:  Simplifying (expm1 (* d1 (- (+ d2 d4) (+ d3 d1))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (124 enodes)
* * [misc]simplify:  iters left: 2 (281 enodes)
* [exit]simplify:  Simplified to (expm1 (* d1 (+ (- d4 d1) (- d2 d3))))
* [exit]simplify:  Simplified to (expm1 (* d1 (+ (- d4 d1) (- d2 d3))))
* * * * [misc]progress:  [ 2 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (expm1 (log1p (* d1 (- (+ d2 d4) (+ d3 d1))))))>
* [enter]simplify:  Simplifying (log1p (* d1 (- (+ d2 d4) (+ d3 d1))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (124 enodes)
* * [misc]simplify:  iters left: 2 (281 enodes)
* [exit]simplify:  Simplified to (log1p (* d1 (+ (- d4 d1) (- d2 d3))))
* [exit]simplify:  Simplified to (log1p (* d1 (+ (- d4 d1) (- d2 d3))))
* * * * [misc]progress:  [ 3 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (pow (* d1 (- (+ d2 d4) (+ d3 d1))) 1))>
* * * * [misc]progress:  [ 4 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (exp (log (* d1 (- (+ d2 d4) (+ d3 d1))))))>
* [enter]simplify:  Simplifying (log (* d1 (- (+ d2 d4) (+ d3 d1))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (56 enodes)
* * [misc]simplify:  iters left: 3 (127 enodes)
* * [misc]simplify:  iters left: 2 (283 enodes)
* [exit]simplify:  Simplified to (log (* d1 (- (- d2 d1) (- d3 d4))))
* [exit]simplify:  Simplified to (log (* d1 (- (- d2 d1) (- d3 d4))))
* * * * [misc]progress:  [ 5 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (log (exp (* d1 (- (+ d2 d4) (+ d3 d1))))))>
* [enter]simplify:  Simplifying (exp (* d1 (- (+ d2 d4) (+ d3 d1))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (54 enodes)
* * [misc]simplify:  iters left: 3 (138 enodes)
* * [misc]simplify:  iters left: 2 (344 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (- (- d2 d3) (- d1 d4)))
* [exit]simplify:  Simplified to (pow (exp d1) (- (- d2 d3) (- d1 d4)))
* * * * [misc]progress:  [ 6 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* (cbrt (* d1 (- (+ d2 d4) (+ d3 d1)))) (cbrt (* d1 (- (+ d2 d4) (+ d3 d1))))) (cbrt (* d1 (- (+ d2 d4) (+ d3 d1))))))>
* [enter]simplify:  Simplifying (* (cbrt (* d1 (- (+ d2 d4) (+ d3 d1)))) (cbrt (* d1 (- (+ d2 d4) (+ d3 d1)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (125 enodes)
* * [misc]simplify:  iters left: 2 (281 enodes)
* [exit]simplify:  Simplified to (* (cbrt (* d1 (+ (- d2 d3) (- d4 d1)))) (cbrt (* d1 (+ (- d2 d3) (- d4 d1)))))
* [exit]simplify:  Simplified to (* (cbrt (* d1 (+ (- d2 d3) (- d4 d1)))) (cbrt (* d1 (+ (- d2 d3) (- d4 d1)))))
* [enter]simplify:  Simplifying (cbrt (* d1 (- (+ d2 d4) (+ d3 d1))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (124 enodes)
* * [misc]simplify:  iters left: 2 (281 enodes)
* [exit]simplify:  Simplified to (cbrt (* d1 (+ (- d4 d1) (- d2 d3))))
* [exit]simplify:  Simplified to (cbrt (* d1 (+ (- d4 d1) (- d2 d3))))
* * * * [misc]progress:  [ 7 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (cbrt (* (* (* d1 (- (+ d2 d4) (+ d3 d1))) (* d1 (- (+ d2 d4) (+ d3 d1)))) (* d1 (- (+ d2 d4) (+ d3 d1))))))>
* [enter]simplify:  Simplifying (* (* (* d1 (- (+ d2 d4) (+ d3 d1))) (* d1 (- (+ d2 d4) (+ d3 d1)))) (* d1 (- (+ d2 d4) (+ d3 d1))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (100 enodes)
* [exit]simplify:  Simplified to (pow (* d1 (- (+ d2 d4) (+ d1 d3))) 3)
* [exit]simplify:  Simplified to (pow (* d1 (- (+ d2 d4) (+ d1 d3))) 3)
* * * * [misc]progress:  [ 8 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (sqrt (* d1 (- (+ d2 d4) (+ d3 d1)))) (sqrt (* d1 (- (+ d2 d4) (+ d3 d1))))))>
* [enter]simplify:  Simplifying (sqrt (* d1 (- (+ d2 d4) (+ d3 d1))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (124 enodes)
* * [misc]simplify:  iters left: 2 (281 enodes)
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (- d4 d1) (- d2 d3))))
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (- d4 d1) (- d2 d3))))
* [enter]simplify:  Simplifying (sqrt (* d1 (- (+ d2 d4) (+ d3 d1))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (52 enodes)
* * [misc]simplify:  iters left: 3 (124 enodes)
* * [misc]simplify:  iters left: 2 (281 enodes)
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (- d4 d1) (- d2 d3))))
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (- d4 d1) (- d2 d3))))
* * * * [misc]progress:  [ 9 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* 1 (* d1 (- (+ d2 d4) (+ d3 d1)))))>
* * * * [misc]progress:  [ 10 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d1 (fma (* (cbrt (+ d2 d4)) (cbrt (+ d2 d4))) (cbrt (+ d2 d4)) (- (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))))) (* d1 (fma (- (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))))))>
* [enter]simplify:  Simplifying (* d1 (fma (* (cbrt (+ d2 d4)) (cbrt (+ d2 d4))) (cbrt (+ d2 d4)) (- (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1)))))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (158 enodes)
* * [misc]simplify:  iters left: 1 (270 enodes)
* [exit]simplify:  Simplified to (* (+ (- d2 d1) (- d4 d3)) d1)
* [exit]simplify:  Simplified to (* (+ (- d2 d1) (- d4 d3)) d1)
* [enter]simplify:  Simplifying (* d1 (fma (- (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (93 enodes)
* * [misc]simplify:  iters left: 2 (218 enodes)
* * [misc]simplify:  iters left: 1 (322 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 11 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d1 (fma (* (cbrt (+ d2 d4)) (cbrt (+ d2 d4))) (cbrt (+ d2 d4)) (- (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))))) (* d1 (fma (- (sqrt (+ d3 d1))) (sqrt (+ d3 d1)) (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))))))>
* [enter]simplify:  Simplifying (* d1 (fma (* (cbrt (+ d2 d4)) (cbrt (+ d2 d4))) (cbrt (+ d2 d4)) (- (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1))))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (86 enodes)
* * [misc]simplify:  iters left: 2 (159 enodes)
* * [misc]simplify:  iters left: 1 (288 enodes)
* [exit]simplify:  Simplified to (* (- (+ d2 d4) (+ d1 d3)) d1)
* [exit]simplify:  Simplified to (* (- (+ d2 d4) (+ d1 d3)) d1)
* [enter]simplify:  Simplifying (* d1 (fma (- (sqrt (+ d3 d1))) (sqrt (+ d3 d1)) (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (76 enodes)
* * [misc]simplify:  iters left: 2 (160 enodes)
* * [misc]simplify:  iters left: 1 (274 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 12 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d1 (fma (* (cbrt (+ d2 d4)) (cbrt (+ d2 d4))) (cbrt (+ d2 d4)) (- (* (+ d3 d1) 1)))) (* d1 (fma (- (+ d3 d1)) 1 (* (+ d3 d1) 1)))))>
* [enter]simplify:  Simplifying (* d1 (fma (* (cbrt (+ d2 d4)) (cbrt (+ d2 d4))) (cbrt (+ d2 d4)) (- (* (+ d3 d1) 1))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (50 enodes)
* * [misc]simplify:  iters left: 3 (125 enodes)
* * [misc]simplify:  iters left: 2 (221 enodes)
* * [misc]simplify:  iters left: 1 (391 enodes)
* [exit]simplify:  Simplified to (* (+ (- d2 d3) (- d4 d1)) d1)
* [exit]simplify:  Simplified to (* (+ (- d2 d3) (- d4 d1)) d1)
* [enter]simplify:  Simplifying (* d1 (fma (- (+ d3 d1)) 1 (* (+ d3 d1) 1)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (46 enodes)
* * [misc]simplify:  iters left: 3 (148 enodes)
* * [misc]simplify:  iters left: 2 (296 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 13 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d1 (fma (sqrt (+ d2 d4)) (sqrt (+ d2 d4)) (- (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))))) (* d1 (fma (- (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))))))>
* [enter]simplify:  Simplifying (* d1 (fma (sqrt (+ d2 d4)) (sqrt (+ d2 d4)) (- (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1)))))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (37 enodes)
* * [misc]simplify:  iters left: 3 (98 enodes)
* * [misc]simplify:  iters left: 2 (246 enodes)
* * [misc]simplify:  iters left: 1 (473 enodes)
* [exit]simplify:  Simplified to (* (+ (- d2 d1) (- d4 d3)) d1)
* [exit]simplify:  Simplified to (* (+ (- d2 d1) (- d4 d3)) d1)
* [enter]simplify:  Simplifying (* d1 (fma (- (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (93 enodes)
* * [misc]simplify:  iters left: 2 (218 enodes)
* * [misc]simplify:  iters left: 1 (322 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 14 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d1 (fma (sqrt (+ d2 d4)) (sqrt (+ d2 d4)) (- (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))))) (* d1 (fma (- (sqrt (+ d3 d1))) (sqrt (+ d3 d1)) (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))))))>
* [enter]simplify:  Simplifying (* d1 (fma (sqrt (+ d2 d4)) (sqrt (+ d2 d4)) (- (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1))))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (33 enodes)
* * [misc]simplify:  iters left: 3 (97 enodes)
* * [misc]simplify:  iters left: 2 (261 enodes)
* [exit]simplify:  Simplified to (* d1 (- (+ d2 d4) (+ d3 d1)))
* [exit]simplify:  Simplified to (* d1 (- (+ d2 d4) (+ d3 d1)))
* [enter]simplify:  Simplifying (* d1 (fma (- (sqrt (+ d3 d1))) (sqrt (+ d3 d1)) (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (76 enodes)
* * [misc]simplify:  iters left: 2 (160 enodes)
* * [misc]simplify:  iters left: 1 (274 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 15 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d1 (fma (sqrt (+ d2 d4)) (sqrt (+ d2 d4)) (- (* (+ d3 d1) 1)))) (* d1 (fma (- (+ d3 d1)) 1 (* (+ d3 d1) 1)))))>
* [enter]simplify:  Simplifying (* d1 (fma (sqrt (+ d2 d4)) (sqrt (+ d2 d4)) (- (* (+ d3 d1) 1))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (48 enodes)
* * [misc]simplify:  iters left: 3 (133 enodes)
* * [misc]simplify:  iters left: 2 (307 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d2 d1) (- d4 d3)))
* [exit]simplify:  Simplified to (* d1 (+ (- d2 d1) (- d4 d3)))
* [enter]simplify:  Simplifying (* d1 (fma (- (+ d3 d1)) 1 (* (+ d3 d1) 1)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (46 enodes)
* * [misc]simplify:  iters left: 3 (148 enodes)
* * [misc]simplify:  iters left: 2 (296 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 16 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d1 (fma 1 (+ d2 d4) (- (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))))) (* d1 (fma (- (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))))))>
* [enter]simplify:  Simplifying (* d1 (fma 1 (+ d2 d4) (- (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1)))))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (48 enodes)
* * [misc]simplify:  iters left: 3 (118 enodes)
* * [misc]simplify:  iters left: 2 (266 enodes)
* * [misc]simplify:  iters left: 1 (451 enodes)
* [exit]simplify:  Simplified to (* (+ (- d2 d3) (- d4 d1)) d1)
* [exit]simplify:  Simplified to (* (+ (- d2 d3) (- d4 d1)) d1)
* [enter]simplify:  Simplifying (* d1 (fma (- (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (93 enodes)
* * [misc]simplify:  iters left: 2 (218 enodes)
* * [misc]simplify:  iters left: 1 (322 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 17 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d1 (fma 1 (+ d2 d4) (- (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))))) (* d1 (fma (- (sqrt (+ d3 d1))) (sqrt (+ d3 d1)) (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))))))>
* [enter]simplify:  Simplifying (* d1 (fma 1 (+ d2 d4) (- (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1))))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (44 enodes)
* * [misc]simplify:  iters left: 3 (94 enodes)
* * [misc]simplify:  iters left: 2 (194 enodes)
* * [misc]simplify:  iters left: 1 (405 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d2 d1) (- d4 d3)))
* [exit]simplify:  Simplified to (* d1 (+ (- d2 d1) (- d4 d3)))
* [enter]simplify:  Simplifying (* d1 (fma (- (sqrt (+ d3 d1))) (sqrt (+ d3 d1)) (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (76 enodes)
* * [misc]simplify:  iters left: 2 (160 enodes)
* * [misc]simplify:  iters left: 1 (274 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 18 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d1 (fma 1 (+ d2 d4) (- (* (+ d3 d1) 1)))) (* d1 (fma (- (+ d3 d1)) 1 (* (+ d3 d1) 1)))))>
* [enter]simplify:  Simplifying (* d1 (fma 1 (+ d2 d4) (- (* (+ d3 d1) 1))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (56 enodes)
* * [misc]simplify:  iters left: 3 (114 enodes)
* * [misc]simplify:  iters left: 2 (234 enodes)
* [exit]simplify:  Simplified to (* (- (+ d4 d2) (+ d3 d1)) d1)
* [exit]simplify:  Simplified to (* (- (+ d4 d2) (+ d3 d1)) d1)
* [enter]simplify:  Simplifying (* d1 (fma (- (+ d3 d1)) 1 (* (+ d3 d1) 1)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (46 enodes)
* * [misc]simplify:  iters left: 3 (148 enodes)
* * [misc]simplify:  iters left: 2 (296 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 19 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d1 (+ d2 d4)) (* d1 (- (+ d3 d1)))))>
* [enter]simplify:  Simplifying (* d1 (+ d2 d4))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (17 enodes)
* * [misc]simplify:  iters left: 1 (19 enodes)
* [exit]simplify:  Simplified to (* (+ d2 d4) d1)
* [exit]simplify:  Simplified to (* (+ d2 d4) d1)
* [enter]simplify:  Simplifying (* d1 (- (+ d3 d1)))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (54 enodes)
* * [misc]simplify:  iters left: 1 (55 enodes)
* [exit]simplify:  Simplified to (* (+ d3 d1) (- d1))
* [exit]simplify:  Simplified to (* (+ d3 d1) (- d1))
* * * * [misc]progress:  [ 20 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d1 d2) (* d1 (- d4 (+ d3 d1)))))>
* [enter]simplify:  Simplifying (* d1 d2)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (* d1 d2)
* [exit]simplify:  Simplified to (* d1 d2)
* [enter]simplify:  Simplifying (* d1 (- d4 (+ d3 d1)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (53 enodes)
* * [misc]simplify:  iters left: 2 (106 enodes)
* * [misc]simplify:  iters left: 1 (170 enodes)
* [exit]simplify:  Simplified to (fma (- d1) (+ d1 d3) (* d1 d4))
* [exit]simplify:  Simplified to (fma (- d1) (+ d1 d3) (* d1 d4))
* * * * [misc]progress:  [ 21 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d1 (+ d2 d4)) (* d1 (- (+ d3 d1)))))>
* [enter]simplify:  Simplifying (* d1 (+ d2 d4))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (17 enodes)
* * [misc]simplify:  iters left: 1 (19 enodes)
* [exit]simplify:  Simplified to (* (+ d2 d4) d1)
* [exit]simplify:  Simplified to (* (+ d2 d4) d1)
* [enter]simplify:  Simplifying (* d1 (- (+ d3 d1)))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (54 enodes)
* * [misc]simplify:  iters left: 1 (55 enodes)
* [exit]simplify:  Simplified to (* (+ d3 d1) (- d1))
* [exit]simplify:  Simplified to (* (+ d3 d1) (- d1))
* * * * [misc]progress:  [ 22 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* (fma (* (cbrt (+ d2 d4)) (cbrt (+ d2 d4))) (cbrt (+ d2 d4)) (- (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1)))))) d1) (* (fma (- (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))) d1)))>
* [enter]simplify:  Simplifying (* (fma (* (cbrt (+ d2 d4)) (cbrt (+ d2 d4))) (cbrt (+ d2 d4)) (- (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1)))))) d1)
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (158 enodes)
* * [misc]simplify:  iters left: 1 (270 enodes)
* [exit]simplify:  Simplified to (* (+ (- d4 d3) (- d2 d1)) d1)
* [exit]simplify:  Simplified to (* (+ (- d4 d3) (- d2 d1)) d1)
* [enter]simplify:  Simplifying (* (fma (- (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))) d1)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (93 enodes)
* * [misc]simplify:  iters left: 2 (218 enodes)
* * [misc]simplify:  iters left: 1 (336 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 23 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* (fma (* (cbrt (+ d2 d4)) (cbrt (+ d2 d4))) (cbrt (+ d2 d4)) (- (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1))))) d1) (* (fma (- (sqrt (+ d3 d1))) (sqrt (+ d3 d1)) (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))) d1)))>
* [enter]simplify:  Simplifying (* (fma (* (cbrt (+ d2 d4)) (cbrt (+ d2 d4))) (cbrt (+ d2 d4)) (- (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1))))) d1)
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (86 enodes)
* * [misc]simplify:  iters left: 2 (159 enodes)
* * [misc]simplify:  iters left: 1 (290 enodes)
* [exit]simplify:  Simplified to (* (+ (- d4 d1) (- d2 d3)) d1)
* [exit]simplify:  Simplified to (* (+ (- d4 d1) (- d2 d3)) d1)
* [enter]simplify:  Simplifying (* (fma (- (sqrt (+ d3 d1))) (sqrt (+ d3 d1)) (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))) d1)
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (76 enodes)
* * [misc]simplify:  iters left: 2 (160 enodes)
* * [misc]simplify:  iters left: 1 (270 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 24 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* (fma (* (cbrt (+ d2 d4)) (cbrt (+ d2 d4))) (cbrt (+ d2 d4)) (- (* (+ d3 d1) 1))) d1) (* (fma (- (+ d3 d1)) 1 (* (+ d3 d1) 1)) d1)))>
* [enter]simplify:  Simplifying (* (fma (* (cbrt (+ d2 d4)) (cbrt (+ d2 d4))) (cbrt (+ d2 d4)) (- (* (+ d3 d1) 1))) d1)
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (50 enodes)
* * [misc]simplify:  iters left: 3 (125 enodes)
* * [misc]simplify:  iters left: 2 (221 enodes)
* * [misc]simplify:  iters left: 1 (397 enodes)
* [exit]simplify:  Simplified to (* (+ (- d2 d1) (- d4 d3)) d1)
* [exit]simplify:  Simplified to (* (+ (- d2 d1) (- d4 d3)) d1)
* [enter]simplify:  Simplifying (* (fma (- (+ d3 d1)) 1 (* (+ d3 d1) 1)) d1)
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (46 enodes)
* * [misc]simplify:  iters left: 3 (148 enodes)
* * [misc]simplify:  iters left: 2 (294 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 25 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* (fma (sqrt (+ d2 d4)) (sqrt (+ d2 d4)) (- (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1)))))) d1) (* (fma (- (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))) d1)))>
* [enter]simplify:  Simplifying (* (fma (sqrt (+ d2 d4)) (sqrt (+ d2 d4)) (- (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1)))))) d1)
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (37 enodes)
* * [misc]simplify:  iters left: 3 (98 enodes)
* * [misc]simplify:  iters left: 2 (246 enodes)
* * [misc]simplify:  iters left: 1 (474 enodes)
* [exit]simplify:  Simplified to (* d1 (- (- d4 d3) (- d1 d2)))
* [exit]simplify:  Simplified to (* d1 (- (- d4 d3) (- d1 d2)))
* [enter]simplify:  Simplifying (* (fma (- (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))) d1)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (93 enodes)
* * [misc]simplify:  iters left: 2 (218 enodes)
* * [misc]simplify:  iters left: 1 (336 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 26 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* (fma (sqrt (+ d2 d4)) (sqrt (+ d2 d4)) (- (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1))))) d1) (* (fma (- (sqrt (+ d3 d1))) (sqrt (+ d3 d1)) (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))) d1)))>
* [enter]simplify:  Simplifying (* (fma (sqrt (+ d2 d4)) (sqrt (+ d2 d4)) (- (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1))))) d1)
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (33 enodes)
* * [misc]simplify:  iters left: 3 (97 enodes)
* * [misc]simplify:  iters left: 2 (261 enodes)
* [exit]simplify:  Simplified to (* d1 (- (+ d4 d2) (+ d1 d3)))
* [exit]simplify:  Simplified to (* d1 (- (+ d4 d2) (+ d1 d3)))
* [enter]simplify:  Simplifying (* (fma (- (sqrt (+ d3 d1))) (sqrt (+ d3 d1)) (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))) d1)
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (76 enodes)
* * [misc]simplify:  iters left: 2 (160 enodes)
* * [misc]simplify:  iters left: 1 (270 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 27 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* (fma (sqrt (+ d2 d4)) (sqrt (+ d2 d4)) (- (* (+ d3 d1) 1))) d1) (* (fma (- (+ d3 d1)) 1 (* (+ d3 d1) 1)) d1)))>
* [enter]simplify:  Simplifying (* (fma (sqrt (+ d2 d4)) (sqrt (+ d2 d4)) (- (* (+ d3 d1) 1))) d1)
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (48 enodes)
* * [misc]simplify:  iters left: 3 (133 enodes)
* * [misc]simplify:  iters left: 2 (311 enodes)
* [exit]simplify:  Simplified to (* d1 (- (- d4 d1) (- d3 d2)))
* [exit]simplify:  Simplified to (* d1 (- (- d4 d1) (- d3 d2)))
* [enter]simplify:  Simplifying (* (fma (- (+ d3 d1)) 1 (* (+ d3 d1) 1)) d1)
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (46 enodes)
* * [misc]simplify:  iters left: 3 (148 enodes)
* * [misc]simplify:  iters left: 2 (294 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 28 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* (fma 1 (+ d2 d4) (- (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1)))))) d1) (* (fma (- (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))) d1)))>
* [enter]simplify:  Simplifying (* (fma 1 (+ d2 d4) (- (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1)))))) d1)
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (48 enodes)
* * [misc]simplify:  iters left: 3 (98 enodes)
* * [misc]simplify:  iters left: 2 (198 enodes)
* * [misc]simplify:  iters left: 1 (380 enodes)
* [exit]simplify:  Simplified to (* d1 (- (- d2 d1) (- d3 d4)))
* [exit]simplify:  Simplified to (* d1 (- (- d2 d1) (- d3 d4)))
* [enter]simplify:  Simplifying (* (fma (- (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))) (* (cbrt (+ d3 d1)) (* (cbrt (+ d3 d1)) (cbrt (+ d3 d1))))) d1)
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (93 enodes)
* * [misc]simplify:  iters left: 2 (218 enodes)
* * [misc]simplify:  iters left: 1 (336 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 29 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* (fma 1 (+ d2 d4) (- (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1))))) d1) (* (fma (- (sqrt (+ d3 d1))) (sqrt (+ d3 d1)) (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))) d1)))>
* [enter]simplify:  Simplifying (* (fma 1 (+ d2 d4) (- (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1))))) d1)
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (44 enodes)
* * [misc]simplify:  iters left: 3 (94 enodes)
* * [misc]simplify:  iters left: 2 (206 enodes)
* * [misc]simplify:  iters left: 1 (452 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (- d2 d3) (- d4 d1)))
* [exit]simplify:  Simplified to (* d1 (+ (- d2 d3) (- d4 d1)))
* [enter]simplify:  Simplifying (* (fma (- (sqrt (+ d3 d1))) (sqrt (+ d3 d1)) (* (sqrt (+ d3 d1)) (sqrt (+ d3 d1)))) d1)
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (76 enodes)
* * [misc]simplify:  iters left: 2 (160 enodes)
* * [misc]simplify:  iters left: 1 (270 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 30 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* (fma 1 (+ d2 d4) (- (* (+ d3 d1) 1))) d1) (* (fma (- (+ d3 d1)) 1 (* (+ d3 d1) 1)) d1)))>
* [enter]simplify:  Simplifying (* (fma 1 (+ d2 d4) (- (* (+ d3 d1) 1))) d1)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (56 enodes)
* * [misc]simplify:  iters left: 3 (114 enodes)
* * [misc]simplify:  iters left: 2 (234 enodes)
* [exit]simplify:  Simplified to (* (- (+ d2 d4) (+ d1 d3)) d1)
* [exit]simplify:  Simplified to (* (- (+ d2 d4) (+ d1 d3)) d1)
* [enter]simplify:  Simplifying (* (fma (- (+ d3 d1)) 1 (* (+ d3 d1) 1)) d1)
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (46 enodes)
* * [misc]simplify:  iters left: 3 (148 enodes)
* * [misc]simplify:  iters left: 2 (294 enodes)
* [exit]simplify:  Simplified to 0
* [exit]simplify:  Simplified to 0
* * * * [misc]progress:  [ 31 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* (+ d2 d4) d1) (* (- (+ d3 d1)) d1)))>
* [enter]simplify:  Simplifying (* (+ d2 d4) d1)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (19 enodes)
* [exit]simplify:  Simplified to (* (+ d4 d2) d1)
* [exit]simplify:  Simplified to (* (+ d4 d2) d1)
* [enter]simplify:  Simplifying (* (- (+ d3 d1)) d1)
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (39 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (52 enodes)
* [exit]simplify:  Simplified to (* (+ d1 d3) (- d1))
* [exit]simplify:  Simplified to (* (+ d1 d3) (- d1))
* * * * [misc]progress:  [ 32 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* d2 d1) (* (- d4 (+ d3 d1)) d1)))>
* [enter]simplify:  Simplifying (* d2 d1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (* d2 d1)
* [exit]simplify:  Simplified to (* d2 d1)
* [enter]simplify:  Simplifying (* (- d4 (+ d3 d1)) d1)
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (53 enodes)
* * [misc]simplify:  iters left: 2 (106 enodes)
* * [misc]simplify:  iters left: 1 (170 enodes)
* [exit]simplify:  Simplified to (fma (- d1) (+ d3 d1) (* d4 d1))
* [exit]simplify:  Simplified to (fma (- d1) (+ d3 d1) (* d4 d1))
* * * * [misc]progress:  [ 33 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (+ (* (+ d2 d4) d1) (* (- (+ d3 d1)) d1)))>
* [enter]simplify:  Simplifying (* (+ d2 d4) d1)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (19 enodes)
* [exit]simplify:  Simplified to (* (+ d4 d2) d1)
* [exit]simplify:  Simplified to (* (+ d4 d2) d1)
* [enter]simplify:  Simplifying (* (- (+ d3 d1)) d1)
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (39 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (52 enodes)
* [exit]simplify:  Simplified to (* (+ d1 d3) (- d1))
* [exit]simplify:  Simplified to (* (+ d1 d3) (- d1))
* * * * [misc]progress:  [ 34 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* d1 (* (cbrt (- (+ d2 d4) (+ d3 d1))) (cbrt (- (+ d2 d4) (+ d3 d1))))) (cbrt (- (+ d2 d4) (+ d3 d1)))))>
* [enter]simplify:  Simplifying (* d1 (* (cbrt (- (+ d2 d4) (+ d3 d1))) (cbrt (- (+ d2 d4) (+ d3 d1)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (45 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (151 enodes)
* * [misc]simplify:  iters left: 1 (230 enodes)
* [exit]simplify:  Simplified to (* (* (cbrt (+ (- d2 d3) (- d4 d1))) d1) (cbrt (+ (- d2 d3) (- d4 d1))))
* [exit]simplify:  Simplified to (* (* (cbrt (+ (- d2 d3) (- d4 d1))) d1) (cbrt (+ (- d2 d3) (- d4 d1))))
* * * * [misc]progress:  [ 35 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* d1 (sqrt (- (+ d2 d4) (+ d3 d1)))) (sqrt (- (+ d2 d4) (+ d3 d1)))))>
* [enter]simplify:  Simplifying (* d1 (sqrt (- (+ d2 d4) (+ d3 d1))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (80 enodes)
* * [misc]simplify:  iters left: 2 (146 enodes)
* * [misc]simplify:  iters left: 1 (225 enodes)
* [exit]simplify:  Simplified to (* (sqrt (- (- d2 d3) (- d1 d4))) d1)
* [exit]simplify:  Simplified to (* (sqrt (- (- d2 d3) (- d1 d4))) d1)
* * * * [misc]progress:  [ 36 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* d1 1) (- (+ d2 d4) (+ d3 d1))))>
* [enter]simplify:  Simplifying (* d1 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to d1
* [exit]simplify:  Simplified to d1
* * * * [misc]progress:  [ 37 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* d1 (+ (sqrt (+ d2 d4)) (sqrt (+ d3 d1)))) (- (sqrt (+ d2 d4)) (sqrt (+ d3 d1)))))>
* [enter]simplify:  Simplifying (* d1 (+ (sqrt (+ d2 d4)) (sqrt (+ d3 d1))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (sqrt (+ d3 d1)) (sqrt (+ d2 d4))))
* [exit]simplify:  Simplified to (* d1 (+ (sqrt (+ d3 d1)) (sqrt (+ d2 d4))))
* * * * [misc]progress:  [ 38 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (* d1 1) (- (+ d2 d4) (+ d3 d1))))>
* [enter]simplify:  Simplifying (* d1 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to d1
* [exit]simplify:  Simplified to d1
* * * * [misc]progress:  [ 39 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (* d1 (- (* (+ (pow d2 3) (pow d4 3)) (+ (* d3 d3) (- (* d1 d1) (* d3 d1)))) (* (+ (* d2 d2) (- (* d4 d4) (* d2 d4))) (+ (pow d3 3) (pow d1 3))))) (* (+ (* d2 d2) (- (* d4 d4) (* d2 d4))) (+ (* d3 d3) (- (* d1 d1) (* d3 d1))))))>
* [enter]simplify:  Simplifying (* d1 (- (* (+ (pow d2 3) (pow d4 3)) (+ (* d3 d3) (- (* d1 d1) (* d3 d1)))) (* (+ (* d2 d2) (- (* d4 d4) (* d2 d4))) (+ (pow d3 3) (pow d1 3)))))
* * [misc]simplify:  iters left: 6 (25 enodes)
* * [misc]simplify:  iters left: 5 (73 enodes)
* * [misc]simplify:  iters left: 4 (233 enodes)
* [exit]simplify:  Simplified to (* (- (* (fma (- d1 d3) d1 (* d3 d3)) (fma (* d4 d4) d4 (pow d2 3))) (* (fma d4 (- d4 d2) (* d2 d2)) (fma (* d3 d3) d3 (pow d1 3)))) d1)
* [exit]simplify:  Simplified to (* (- (* (fma (- d1 d3) d1 (* d3 d3)) (fma (* d4 d4) d4 (pow d2 3))) (* (fma d4 (- d4 d2) (* d2 d2)) (fma (* d3 d3) d3 (pow d1 3)))) d1)
* * * * [misc]progress:  [ 40 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (* d1 (- (* (+ (pow d2 3) (pow d4 3)) (- d3 d1)) (* (+ (* d2 d2) (- (* d4 d4) (* d2 d4))) (- (* d3 d3) (* d1 d1))))) (* (+ (* d2 d2) (- (* d4 d4) (* d2 d4))) (- d3 d1))))>
* [enter]simplify:  Simplifying (* d1 (- (* (+ (pow d2 3) (pow d4 3)) (- d3 d1)) (* (+ (* d2 d2) (- (* d4 d4) (* d2 d4))) (- (* d3 d3) (* d1 d1)))))
* * [misc]simplify:  iters left: 6 (21 enodes)
* * [misc]simplify:  iters left: 5 (49 enodes)
* * [misc]simplify:  iters left: 4 (128 enodes)
* [exit]simplify:  Simplified to (* d1 (- (* (fma d4 (* d4 d4) (pow d2 3)) (- d3 d1)) (* (fma d4 (- d4 d2) (* d2 d2)) (* (+ d1 d3) (- d3 d1)))))
* [exit]simplify:  Simplified to (* d1 (- (* (fma d4 (* d4 d4) (pow d2 3)) (- d3 d1)) (* (fma d4 (- d4 d2) (* d2 d2)) (* (+ d1 d3) (- d3 d1)))))
* * * * [misc]progress:  [ 41 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (* d1 (- (* (- (* d2 d2) (* d4 d4)) (+ (* d3 d3) (- (* d1 d1) (* d3 d1)))) (* (- d2 d4) (+ (pow d3 3) (pow d1 3))))) (* (- d2 d4) (+ (* d3 d3) (- (* d1 d1) (* d3 d1))))))>
* [enter]simplify:  Simplifying (* d1 (- (* (- (* d2 d2) (* d4 d4)) (+ (* d3 d3) (- (* d1 d1) (* d3 d1)))) (* (- d2 d4) (+ (pow d3 3) (pow d1 3)))))
* * [misc]simplify:  iters left: 6 (21 enodes)
* * [misc]simplify:  iters left: 5 (61 enodes)
* * [misc]simplify:  iters left: 4 (211 enodes)
* [exit]simplify:  Simplified to (* d1 (- (* (* (- d2 d4) (+ d2 d4)) (fma (- d1 d3) d1 (* d3 d3))) (* (fma d3 (* d3 d3) (pow d1 3)) (- d2 d4))))
* [exit]simplify:  Simplified to (* d1 (- (* (* (- d2 d4) (+ d2 d4)) (fma (- d1 d3) d1 (* d3 d3))) (* (fma d3 (* d3 d3) (pow d1 3)) (- d2 d4))))
* * * * [misc]progress:  [ 42 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (* d1 (- (* (- (* d2 d2) (* d4 d4)) (- d3 d1)) (* (- d2 d4) (- (* d3 d3) (* d1 d1))))) (* (- d2 d4) (- d3 d1))))>
* [enter]simplify:  Simplifying (* d1 (- (* (- (* d2 d2) (* d4 d4)) (- d3 d1)) (* (- d2 d4) (- (* d3 d3) (* d1 d1)))))
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (36 enodes)
* * [misc]simplify:  iters left: 4 (106 enodes)
* [exit]simplify:  Simplified to (* d1 (* (- d3 d1) (- (* (- d2 d4) (+ d2 d4)) (* (+ d1 d3) (- d2 d4)))))
* [exit]simplify:  Simplified to (* d1 (* (- d3 d1) (- (* (- d2 d4) (+ d2 d4)) (* (+ d1 d3) (- d2 d4)))))
* * * * [misc]progress:  [ 43 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (* d1 (- (pow (+ d2 d4) 3) (pow (+ d3 d1) 3))) (+ (* (+ d2 d4) (+ d2 d4)) (+ (* (+ d3 d1) (+ d3 d1)) (* (+ d2 d4) (+ d3 d1))))))>
* [enter]simplify:  Simplifying (* d1 (- (pow (+ d2 d4) 3) (pow (+ d3 d1) 3)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (69 enodes)
* * [misc]simplify:  iters left: 3 (317 enodes)
* [exit]simplify:  Simplified to (- (* (* (+ d2 d4) d1) (* (+ d2 d4) (+ d2 d4))) (* (* (+ d1 d3) (+ d1 d3)) (* (+ d1 d3) d1)))
* [exit]simplify:  Simplified to (- (* (* (+ d2 d4) d1) (* (+ d2 d4) (+ d2 d4))) (* (* (+ d1 d3) (+ d1 d3)) (* (+ d1 d3) d1)))
* * * * [misc]progress:  [ 44 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (/ (* d1 (- (* (+ d2 d4) (+ d2 d4)) (* (+ d3 d1) (+ d3 d1)))) (+ (+ d2 d4) (+ d3 d1))))>
* [enter]simplify:  Simplifying (* d1 (- (* (+ d2 d4) (+ d2 d4)) (* (+ d3 d1) (+ d3 d1))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (114 enodes)
* * [misc]simplify:  iters left: 3 (454 enodes)
* [exit]simplify:  Simplified to (* d1 (- (* (+ d2 d4) (+ d2 d4)) (* (+ d3 d1) (+ d3 d1))))
* [exit]simplify:  Simplified to (* d1 (- (* (+ d2 d4) (+ d2 d4)) (* (+ d3 d1) (+ d3 d1))))
* * * * [misc]progress:  [ 45 / 48 ] simplifiying candidate #<alt-delta (λ (d1 d2 d3 d4) (* (- (+ d2 d4) (+ d3 d1)) d1))>
* * * * [misc]progress:  [ 46 / 48 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (* d4 d1) (* d2 d1)) (pow d1 2)))>
* [enter]simplify:  Simplifying (- (+ (* d4 d1) (* d2 d1)) (pow d1 2))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (46 enodes)
* * [misc]simplify:  iters left: 3 (80 enodes)
* * [misc]simplify:  iters left: 2 (114 enodes)
* * [misc]simplify:  iters left: 1 (139 enodes)
* [exit]simplify:  Simplified to (fma (- d2 d1) d1 (* d4 d1))
* * * * [misc]progress:  [ 47 / 48 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (* d4 d1) (* d2 d1)) (* d3 d1)))>
* [enter]simplify:  Simplifying (- (+ (* d4 d1) (* d2 d1)) (* d3 d1))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (124 enodes)
* * [misc]simplify:  iters left: 1 (150 enodes)
* [exit]simplify:  Simplified to (fma (- d2 d3) d1 (* d4 d1))
* * * * [misc]progress:  [ 48 / 48 ] simplifiying candidate #<alt-event (λ (d1 d2 d3 d4) (- (+ (* d4 d1) (* d2 d1)) (* d3 d1)))>
* [enter]simplify:  Simplifying (- (+ (* d4 d1) (* d2 d1)) (* d3 d1))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (85 enodes)
* * [misc]simplify:  iters left: 2 (124 enodes)
* * [misc]simplify:  iters left: 1 (150 enodes)
* [exit]simplify:  Simplified to (fma (- d2 d3) d1 (* d4 d1))
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (fma d1 (- d1 d4) (* d1 d3))))> #<alt-delta (λ (d1 d2 d3 d4) (* d1 (- (+ d2 d4) (+ d3 d1))))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 (- (+ (- (* d1 d2) (* d1 d3)) (* d4 d1)) (* d1 d1)) +nan.0)) , with alts (#<alt-delta (λ (d1 d2 d3 d4) (- (* d1 d2) (fma d1 (- d1 d4) (* d1 d3))))>)
* [enter]simplify:  Simplifying (- d1 d4)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (- d1 d4)
* [exit]simplify:  Simplified to (- d1 d4)
* [enter]simplify:  Simplifying (* d1 d3)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (* d1 d3)
* [exit]simplify:  Simplified to (* d1 d3)
* * * * [misc]points:  Sampling 8000 additional inputs, on iter 0 have 0 / 8000
* * * * [misc]points:  Computing exacts on every 500 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 250 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 125 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 62 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 31 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 15 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 7 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts on every 3 of 8000 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Computing exacts for 8000 points
* * * * [misc]points:  Setting MPFR precision to 64
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 2629 additional inputs, on iter 1 have 5371 / 8000
* * * * [misc]points:  Computing exacts on every 164 of 2629 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 82 of 2629 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 41 of 2629 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 20 of 2629 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 10 of 2629 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 5 of 2629 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 2 of 2629 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 2629 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 857 additional inputs, on iter 2 have 7143 / 8000
* * * * [misc]points:  Computing exacts on every 53 of 857 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 26 of 857 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 13 of 857 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 6 of 857 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 3 of 857 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 857 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 264 additional inputs, on iter 3 have 7736 / 8000
* * * * [misc]points:  Computing exacts on every 16 of 264 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 8 of 264 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 4 of 264 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 2 of 264 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 264 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 79 additional inputs, on iter 4 have 7921 / 8000
* * * * [misc]points:  Computing exacts on every 4 of 79 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts on every 2 of 79 points to ramp up precision
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Computing exacts for 79 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 25 additional inputs, on iter 5 have 7975 / 8000
* * * * [misc]points:  Computing exacts for 25 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 12 additional inputs, on iter 6 have 7988 / 8000
* * * * [misc]points:  Computing exacts for 12 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 5 additional inputs, on iter 7 have 7995 / 8000
* * * * [misc]points:  Computing exacts for 5 points
* * * * [misc]points:  Setting MPFR precision to 320
* * * * [misc]points:  Setting MPFR precision to 576
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [exit]points:  Sampled 8000 points with exact outputs