* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [enter]simplify:  Simplifying (/ (+ x y) (* (* x 2.0) y))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* * [misc]simplify:  iters left: 1 (38 enodes)
* [exit]simplify:  Simplified to (/ (+ x y) (* x (* 2.0 y)))
* [misc]progress:  [Phase 2 of 3] Improving.
* * [misc]progress:  iteration 1 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (x y) (/ (+ x y) (* (* x 2.0) y)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (/ (+ x y) (* (* x 2.0) y)) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (+ x y) (* (* x 2.0) y)) in y
* [misc]taylor:  Taking taylor expansion of (+ x y) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* (* x 2.0) y) in y
* [misc]taylor:  Taking taylor expansion of (* x 2.0) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ x 0) into x
* [misc]backup-simplify:  Simplify (* x 2.0) into (* 2.0 x)
* [misc]backup-simplify:  Simplify (* (* 2.0 x) 0) into 0
* [misc]backup-simplify:  Simplify (+ (* x 0) (* 0 2.0)) into 0
* [misc]backup-simplify:  Simplify (+ (* (* 2.0 x) 1) (* 0 0)) into (* 2.0 x)
* [misc]backup-simplify:  Simplify (/ x (* 2.0 x)) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ (+ x y) (* (* x 2.0) y)) in x
* [misc]taylor:  Taking taylor expansion of (+ x y) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (* (* x 2.0) y) in x
* [misc]taylor:  Taking taylor expansion of (* x 2.0) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (+ 0 y) into y
* [misc]backup-simplify:  Simplify (* 0 2.0) into 0
* [misc]backup-simplify:  Simplify (* 0 y) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 2.0)) into 2.0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 2.0 y)) into (* 2.0 y)
* [misc]backup-simplify:  Simplify (/ y (* 2.0 y)) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ (+ x y) (* (* x 2.0) y)) in x
* [misc]taylor:  Taking taylor expansion of (+ x y) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (* (* x 2.0) y) in x
* [misc]taylor:  Taking taylor expansion of (* x 2.0) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (+ 0 y) into y
* [misc]backup-simplify:  Simplify (* 0 2.0) into 0
* [misc]backup-simplify:  Simplify (* 0 y) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 2.0)) into 2.0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 2.0 y)) into (* 2.0 y)
* [misc]backup-simplify:  Simplify (/ y (* 2.0 y)) into 0.5
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 2.0))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 2.0 0) (* 0 y))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 (* 2.0 y)) (+ (* 0.5 (/ 0 (* 2.0 y))))) into (* 0.5 (/ 1 y))
* [misc]taylor:  Taking taylor expansion of (* 0.5 (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (* 0.5 1) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 2.0)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 2.0 0) (+ (* 0 0) (* 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (* 2.0 y)) (+ (* 0.5 (/ 0 (* 2.0 y))) (* (* 0.5 (/ 1 y)) (/ 0 (* 2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0.5 0) (* 0 1)) 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 0) (+ (* 0 0) (+ (* 0 0) (* 0 2.0))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (* 2.0 y)) (+ (* 0.5 (/ 0 (* 2.0 y))) (* (* 0.5 (/ 1 y)) (/ 0 (* 2.0 y))) (* 0 (/ 0 (* 2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) 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 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 2.0)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (* 2.0 y)) (+ (* 0.5 (/ 0 (* 2.0 y))) (* (* 0.5 (/ 1 y)) (/ 0 (* 2.0 y))) (* 0 (/ 0 (* 2.0 y))) (* 0 (/ 0 (* 2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0.5 (* 1 (/ 1 x))) (* 0.5 (* (/ 1 y) 1))) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* [misc]approximate:  Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) (* (* (/ 1 x) 2.0) (/ 1 y))) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) (* (* (/ 1 x) 2.0) (/ 1 y))) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 2.0) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) 2.0) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 2.0) into (/ 2.0 x)
* [misc]backup-simplify:  Simplify (* (/ 2.0 x) 1) into (/ 2.0 x)
* [misc]backup-simplify:  Simplify (/ 1 (/ 2.0 x)) into (* 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) (* (* (/ 1 x) 2.0) (/ 1 y))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (* (/ 1 x) 2.0) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* 1 2.0) into 2.0
* [misc]backup-simplify:  Simplify (* 2.0 (/ 1 y)) into (/ 2.0 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 2.0 y)) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) (* (* (/ 1 x) 2.0) (/ 1 y))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (* (/ 1 x) 2.0) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* 1 2.0) into 2.0
* [misc]backup-simplify:  Simplify (* 2.0 (/ 1 y)) into (/ 2.0 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 2.0 y)) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of (* 0.5 y) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0.5 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 y)) into (/ 1 y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 2.0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 2.0 0) (* 0 (/ 1 y))) into 0
* [misc]backup-simplify:  Simplify (- (/ (/ 1 y) (/ 2.0 y)) (+ (* (* 0.5 y) (/ 0 (/ 2.0 y))))) into 0.5
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 2.0))) into 0
* [misc]backup-simplify:  Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 2.0 y)) (+ (* (* 0.5 y) (/ 0 (/ 2.0 y))) (* 0.5 (/ 0 (/ 2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
* [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 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) 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 2.0)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 2.0 y)) (+ (* (* 0.5 y) (/ 0 (/ 2.0 y))) (* 0.5 (/ 0 (/ 2.0 y))) (* 0 (/ 0 (/ 2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 (* (/ 1 y) 1)) (* 0.5 (* 1 (/ 1 x)))) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* [misc]approximate:  Taking taylor expansion of (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (* (/ 1 (- x)) 2.0) (/ 1 (- y)))) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (* (/ 1 (- x)) 2.0) (/ 1 (- y)))) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (- x)) 2.0) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) 2.0) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 2.0) into (/ -2.0 x)
* [misc]backup-simplify:  Simplify (* (/ -2.0 x) -1) into (/ 2.0 x)
* [misc]backup-simplify:  Simplify (/ -1 (/ 2.0 x)) into (* -0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (* (/ 1 (- x)) 2.0) (/ 1 (- y)))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of (* (* (/ 1 (- x)) 2.0) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* -1 2.0) into -2.0
* [misc]backup-simplify:  Simplify (* -2.0 (/ -1 y)) into (/ 2.0 y)
* [misc]backup-simplify:  Simplify (/ -1 (/ 2.0 y)) into (* -0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (* (/ 1 (- x)) 2.0) (/ 1 (- y)))) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of (* (* (/ 1 (- x)) 2.0) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* -1 2.0) into -2.0
* [misc]backup-simplify:  Simplify (* -2.0 (/ -1 y)) into (/ 2.0 y)
* [misc]backup-simplify:  Simplify (/ -1 (/ 2.0 y)) into (* -0.5 y)
* [misc]taylor:  Taking taylor expansion of (* -0.5 y) in y
* [misc]taylor:  Taking taylor expansion of -0.5 in y
* [misc]backup-simplify:  Simplify -0.5 into -0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* -0.5 0) into 0
* [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 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ -1 y)) into (- (/ 1 y))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) 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 2.0)) into 0
* [misc]backup-simplify:  Simplify (+ (* -2.0 0) (* 0 (/ -1 y))) into 0
* [misc]backup-simplify:  Simplify (- (/ (- (/ 1 y)) (/ 2.0 y)) (+ (* (* -0.5 y) (/ 0 (/ 2.0 y))))) into (- 0.5)
* [misc]taylor:  Taking taylor expansion of (- 0.5) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- 0.5) into (- 0.5)
* [misc]backup-simplify:  Simplify (- 0.5) into (- 0.5)
* [misc]backup-simplify:  Simplify (+ (* -0.5 1) (* 0 0)) into (- 0.5)
* [misc]backup-simplify:  Simplify (- 0.5) into (- 0.5)
* [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 (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) 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 2.0))) into 0
* [misc]backup-simplify:  Simplify (+ (* -2.0 0) (+ (* 0 0) (* 0 (/ -1 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 2.0 y)) (+ (* (* -0.5 y) (/ 0 (/ 2.0 y))) (* (- 0.5) (/ 0 (/ 2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* -0.5 0) (+ (* 0 1) (* 0 0))) into 0
* [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) 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 (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))) (* 0 (/ 0 (- y))))) 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 2.0)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 2.0 y)) (+ (* (* -0.5 y) (/ 0 (/ 2.0 y))) (* (- 0.5) (/ 0 (/ 2.0 y))) (* 0 (/ 0 (/ 2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 into 0
* [misc]backup-simplify:  Simplify (+ (* (- 0.5) (* (/ 1 (- y)) 1)) (* (- 0.5) (* 1 (/ 1 (- x))))) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 22 ] simplifiying candidate #<alt-event (λ (x y) (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))>
* [enter]simplify:  Simplifying (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* [exit]simplify:  Simplified to (+ (/ 0.5 x) (/ 0.5 y))
* * * * [misc]progress:  [ 2 / 22 ] simplifiying candidate #<alt-event (λ (x y) (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))>
* [enter]simplify:  Simplifying (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* [exit]simplify:  Simplified to (+ (/ 0.5 x) (/ 0.5 y))
* * * * [misc]progress:  [ 3 / 22 ] simplifiying candidate #<alt-event (λ (x y) (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))>
* [enter]simplify:  Simplifying (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* [exit]simplify:  Simplified to (+ (/ 0.5 x) (/ 0.5 y))
* * * * [misc]progress:  [ 4 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (pow (/ (+ x y) (* (* x 2.0) y)) 1))>
* * * * [misc]progress:  [ 5 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (exp (- (log (+ x y)) (log (* (* x 2.0) y)))))>
* [enter]simplify:  Simplifying (- (log (+ x y)) (log (* (* x 2.0) y)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (41 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (52 enodes)
* [exit]simplify:  Simplified to (- (log (+ x y)) (log (* (* 2.0 y) x)))
* [exit]simplify:  Simplified to (- (log (+ x y)) (log (* (* 2.0 y) x)))
* * * * [misc]progress:  [ 6 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (exp (log (/ (+ x y) (* (* x 2.0) y)))))>
* [enter]simplify:  Simplifying (log (/ (+ x y) (* (* x 2.0) y)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (46 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (77 enodes)
* [exit]simplify:  Simplified to (log (/ (+ x y) (* x (* 2.0 y))))
* [exit]simplify:  Simplified to (log (/ (+ x y) (* x (* 2.0 y))))
* * * * [misc]progress:  [ 7 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (log (exp (/ (+ x y) (* (* x 2.0) y)))))>
* [enter]simplify:  Simplifying (exp (/ (+ x y) (* (* x 2.0) y)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* * [misc]simplify:  iters left: 1 (39 enodes)
* [exit]simplify:  Simplified to (exp (/ (+ x y) (* (* 2.0 y) x)))
* [exit]simplify:  Simplified to (exp (/ (+ x y) (* (* 2.0 y) x)))
* * * * [misc]progress:  [ 8 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (cbrt (/ (cube (+ x y)) (cube (* (* x 2.0) y)))))>
* [enter]simplify:  Simplifying (/ (cube (+ x y)) (cube (* (* x 2.0) y)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (48 enodes)
* * [misc]simplify:  iters left: 3 (141 enodes)
* * [misc]simplify:  iters left: 2 (387 enodes)
* [exit]simplify:  Simplified to (/ (cube (+ x y)) (cube (* 2.0 (* y x))))
* [exit]simplify:  Simplified to (/ (cube (+ x y)) (cube (* 2.0 (* y x))))
* * * * [misc]progress:  [ 9 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (cube (cbrt (/ (+ x y) (* (* x 2.0) y)))))>
* [enter]simplify:  Simplifying (cbrt (/ (+ x y) (* (* x 2.0) y)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* * [misc]simplify:  iters left: 1 (39 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (+ x y) (* (* 2.0 y) x)))
* [exit]simplify:  Simplified to (cbrt (/ (+ x y) (* (* 2.0 y) x)))
* * * * [misc]progress:  [ 10 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (cbrt (cube (/ (+ x y) (* (* x 2.0) y)))))>
* [enter]simplify:  Simplifying (cube (/ (+ x y) (* (* x 2.0) y)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (105 enodes)
* * [misc]simplify:  iters left: 2 (243 enodes)
* [exit]simplify:  Simplified to (cube (/ (+ x y) (* x (* 2.0 y))))
* [exit]simplify:  Simplified to (cube (/ (+ x y) (* x (* 2.0 y))))
* * * * [misc]progress:  [ 11 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (cube (/ (cbrt (+ x y)) (cbrt (* (* x 2.0) y)))))>
* [enter]simplify:  Simplifying (/ (cbrt (+ x y)) (cbrt (* (* x 2.0) y)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (+ x y)) (cbrt (* y (* x 2.0))))
* [exit]simplify:  Simplified to (/ (cbrt (+ x y)) (cbrt (* y (* x 2.0))))
* * * * [misc]progress:  [ 12 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (sqr (sqrt (/ (+ x y) (* (* x 2.0) y)))))>
* [enter]simplify:  Simplifying (sqrt (/ (+ x y) (* (* x 2.0) y)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* * [misc]simplify:  iters left: 1 (39 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (+ x y) (* (* 2.0 y) x)))
* [exit]simplify:  Simplified to (sqrt (/ (+ x y) (* (* 2.0 y) x)))
* * * * [misc]progress:  [ 13 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (sqr (/ (sqrt (+ x y)) (sqrt (* (* x 2.0) y)))))>
* [enter]simplify:  Simplifying (/ (sqrt (+ x y)) (sqrt (* (* x 2.0) y)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (+ x y)) (sqrt (* y (* x 2.0))))
* [exit]simplify:  Simplified to (/ (sqrt (+ x y)) (sqrt (* y (* x 2.0))))
* * * * [misc]progress:  [ 14 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (/ (- (+ x y)) (- (* (* x 2.0) y))))>
* [enter]simplify:  Simplifying (- (+ x y))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* [exit]simplify:  Simplified to (- (+ x y))
* [exit]simplify:  Simplified to (- (+ x y))
* [enter]simplify:  Simplifying (- (* (* x 2.0) y))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (43 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (* (- 2.0) (* x y))
* [exit]simplify:  Simplified to (* (- 2.0) (* x y))
* * * * [misc]progress:  [ 15 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (* (/ 1 (* x 2.0)) (/ (+ x y) y)))>
* [enter]simplify:  Simplifying (/ 1 (* x 2.0))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* [exit]simplify:  Simplified to (/ 1 (* 2.0 x))
* [exit]simplify:  Simplified to (/ 1 (* 2.0 x))
* [enter]simplify:  Simplifying (/ (+ x y) y)
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (5 enodes)
* [exit]simplify:  Simplified to (/ (+ x y) y)
* [exit]simplify:  Simplified to (/ (+ x y) y)
* * * * [misc]progress:  [ 16 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (* 1 (/ (+ x y) (* (* x 2.0) y))))>
* * * * [misc]progress:  [ 17 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (* (+ x y) (/ 1 (* (* x 2.0) y))))>
* [enter]simplify:  Simplifying (/ 1 (* (* x 2.0) y))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* * [misc]simplify:  iters left: 1 (39 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 x) (* 2.0 y))
* [exit]simplify:  Simplified to (/ (/ 1 x) (* 2.0 y))
* * * * [misc]progress:  [ 18 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (/ 1 (/ (* (* x 2.0) y) (+ x y))))>
* [enter]simplify:  Simplifying (/ (* (* x 2.0) y) (+ x y))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (35 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (/ (* 2.0 x) (/ (+ y x) y))
* [exit]simplify:  Simplified to (/ (* 2.0 x) (/ (+ y x) y))
* * * * [misc]progress:  [ 19 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (/ (/ (+ x y) (* x 2.0)) y))>
* [enter]simplify:  Simplifying (/ (+ x y) (* x 2.0))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* [exit]simplify:  Simplified to (/ (+ x y) (* x 2.0))
* [exit]simplify:  Simplified to (/ (+ x y) (* x 2.0))
* * * * [misc]progress:  [ 20 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (/ 1 (/ (* (* x 2.0) y) (+ x y))))>
* [enter]simplify:  Simplifying (/ (* (* x 2.0) y) (+ x y))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (35 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (/ (* 2.0 x) (/ (+ y x) y))
* [exit]simplify:  Simplified to (/ (* 2.0 x) (/ (+ y x) y))
* * * * [misc]progress:  [ 21 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (/ (+ (pow x 3) (pow y 3)) (* (* (* x 2.0) y) (+ (sqr x) (- (sqr y) (* x y))))))>
* [enter]simplify:  Simplifying (* (* (* x 2.0) y) (+ (sqr x) (- (sqr y) (* x y))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (55 enodes)
* * [misc]simplify:  iters left: 3 (89 enodes)
* * [misc]simplify:  iters left: 2 (162 enodes)
* * [misc]simplify:  iters left: 1 (200 enodes)
* [exit]simplify:  Simplified to (* (* (* x y) 2.0) (+ (* x x) (* y (- y x))))
* [exit]simplify:  Simplified to (* (* (* x y) 2.0) (+ (* x x) (* y (- y x))))
* * * * [misc]progress:  [ 22 / 22 ] simplifiying candidate #<alt-delta (λ (x y) (/ (- (sqr x) (sqr y)) (* (* (* x 2.0) y) (- x y))))>
* [enter]simplify:  Simplifying (* (* (* x 2.0) y) (- x y))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (57 enodes)
* [exit]simplify:  Simplified to (* (* 2.0 x) (* y (- x y)))
* [exit]simplify:  Simplified to (* (* 2.0 x) (* y (- x y)))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (x y) (+ (/ 0.5 x) (/ 0.5 y)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (+ (/ 0.5 x) (/ 0.5 y)) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 0.5 x) (/ 0.5 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 0.5 x) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 0.5 x) into (/ 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ 0.5 y) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 0.5 1) into 0.5
* [misc]taylor:  Taking taylor expansion of (+ (/ 0.5 x) (/ 0.5 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 0.5 x) in x
* [misc]taylor:  Taking taylor expansion of 0.5 in x
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 0.5 1) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 0.5 y) in x
* [misc]taylor:  Taking taylor expansion of 0.5 in x
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 0.5 y) into (/ 0.5 y)
* [misc]taylor:  Taking taylor expansion of (+ (/ 0.5 x) (/ 0.5 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 0.5 x) in x
* [misc]taylor:  Taking taylor expansion of 0.5 in x
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 0.5 1) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 0.5 y) in x
* [misc]taylor:  Taking taylor expansion of 0.5 in x
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 0.5 y) into (/ 0.5 y)
* [misc]backup-simplify:  Simplify (+ 0.5 0) into 0.5
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
* [misc]taylor:  Taking taylor expansion of (* 0.5 (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (* 0.5 1) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0.5 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0.5 (* 1 (/ 1 x))) (* 0.5 (* (/ 1 y) 1))) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* [misc]approximate:  Taking taylor expansion of (+ (/ 0.5 (/ 1 x)) (/ 0.5 (/ 1 y))) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 0.5 (/ 1 x)) (/ 0.5 (/ 1 y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 0.5 (/ 1 x)) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]backup-simplify:  Simplify (/ 0.5 (/ 1 x)) into (* 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ 0.5 (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (/ 0.5 1) into 0.5
* [misc]taylor:  Taking taylor expansion of (+ (/ 0.5 (/ 1 x)) (/ 0.5 (/ 1 y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 0.5 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 0.5 in x
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (/ 0.5 1) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 0.5 (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of 0.5 in x
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 0.5 (/ 1 y)) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of (+ (/ 0.5 (/ 1 x)) (/ 0.5 (/ 1 y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 0.5 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 0.5 in x
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (/ 0.5 1) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 0.5 (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of 0.5 in x
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 0.5 (/ 1 y)) into (* 0.5 y)
* [misc]backup-simplify:  Simplify (+ 0 (* 0.5 y)) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of (* 0.5 y) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0.5 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* (* 0.5 y) (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ 0.5 0) into 0.5
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* (* 0.5 y) (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 0) (+ (* 0 1) (* 0 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 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* (* 0.5 y) (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 (* (/ 1 y) 1)) (* 0.5 (* 1 (/ 1 x)))) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* [misc]approximate:  Taking taylor expansion of (+ (/ 0.5 (/ 1 (- x))) (/ 0.5 (/ 1 (- y)))) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (+ (/ 0.5 (/ 1 (- x))) (/ 0.5 (/ 1 (- y)))) in y
* [misc]taylor:  Taking taylor expansion of (/ 0.5 (/ 1 (- x))) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]backup-simplify:  Simplify (/ 0.5 (/ -1 x)) into (* -0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ 0.5 (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (/ 0.5 -1) into -0.5
* [misc]taylor:  Taking taylor expansion of (+ (/ 0.5 (/ 1 (- x))) (/ 0.5 (/ 1 (- y)))) in x
* [misc]taylor:  Taking taylor expansion of (/ 0.5 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 0.5 in x
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (/ 0.5 -1) into -0.5
* [misc]taylor:  Taking taylor expansion of (/ 0.5 (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of 0.5 in x
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ 0.5 (/ -1 y)) into (* -0.5 y)
* [misc]taylor:  Taking taylor expansion of (+ (/ 0.5 (/ 1 (- x))) (/ 0.5 (/ 1 (- y)))) in x
* [misc]taylor:  Taking taylor expansion of (/ 0.5 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 0.5 in x
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (/ 0.5 -1) into -0.5
* [misc]taylor:  Taking taylor expansion of (/ 0.5 (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of 0.5 in x
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ 0.5 (/ -1 y)) into (* -0.5 y)
* [misc]backup-simplify:  Simplify (+ 0 (* -0.5 y)) into (- (* 0.5 y))
* [misc]taylor:  Taking taylor expansion of (- (* 0.5 y)) in y
* [misc]taylor:  Taking taylor expansion of (* 0.5 y) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0.5 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 (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* (* -0.5 y) (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ -0.5 0) into (- 0.5)
* [misc]taylor:  Taking taylor expansion of (- 0.5) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- 0.5) into (- 0.5)
* [misc]backup-simplify:  Simplify (- 0.5) into (- 0.5)
* [misc]backup-simplify:  Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
* [misc]backup-simplify:  Simplify (- 0.5) into (- 0.5)
* [misc]backup-simplify:  Simplify (- 0.5) into (- 0.5)
* [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 -1) (+ (* -0.5 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* (* -0.5 y) (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 0) (+ (* 0 1) (* 0 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 (- 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 -1) (+ (* -0.5 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* (* -0.5 y) (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 into 0
* [misc]backup-simplify:  Simplify (+ (* (- 0.5) (* (/ 1 (- y)) 1)) (* (- 0.5) (* 1 (/ 1 (- x))))) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 17 ] simplifiying candidate #<alt-event (λ (x y) (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))>
* [enter]simplify:  Simplifying (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* [exit]simplify:  Simplified to (+ (/ 0.5 x) (/ 0.5 y))
* * * * [misc]progress:  [ 2 / 17 ] simplifiying candidate #<alt-event (λ (x y) (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))>
* [enter]simplify:  Simplifying (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* [exit]simplify:  Simplified to (+ (/ 0.5 x) (/ 0.5 y))
* * * * [misc]progress:  [ 3 / 17 ] simplifiying candidate #<alt-event (λ (x y) (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))>
* [enter]simplify:  Simplifying (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* [exit]simplify:  Simplified to (+ (/ 0.5 x) (/ 0.5 y))
* * * * [misc]progress:  [ 4 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (log (* (exp (/ 0.5 x)) (exp (/ 0.5 y)))))>
* [enter]simplify:  Simplifying (* (exp (/ 0.5 x)) (exp (/ 0.5 y)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* [exit]simplify:  Simplified to (exp (+ (/ 0.5 y) (/ 0.5 x)))
* [exit]simplify:  Simplified to (exp (+ (/ 0.5 y) (/ 0.5 x)))
* * * * [misc]progress:  [ 5 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (pow (+ (/ 0.5 x) (/ 0.5 y)) 1))>
* * * * [misc]progress:  [ 6 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (exp (log (+ (/ 0.5 x) (/ 0.5 y)))))>
* [enter]simplify:  Simplifying (log (+ (/ 0.5 x) (/ 0.5 y)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (log (+ (/ 0.5 x) (/ 0.5 y)))
* [exit]simplify:  Simplified to (log (+ (/ 0.5 x) (/ 0.5 y)))
* * * * [misc]progress:  [ 7 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (log (exp (+ (/ 0.5 x) (/ 0.5 y)))))>
* [enter]simplify:  Simplifying (exp (+ (/ 0.5 x) (/ 0.5 y)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to (exp (+ (/ 0.5 x) (/ 0.5 y)))
* [exit]simplify:  Simplified to (exp (+ (/ 0.5 x) (/ 0.5 y)))
* * * * [misc]progress:  [ 8 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (cube (cbrt (+ (/ 0.5 x) (/ 0.5 y)))))>
* [enter]simplify:  Simplifying (cbrt (+ (/ 0.5 x) (/ 0.5 y)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (/ 0.5 x) (/ 0.5 y)))
* [exit]simplify:  Simplified to (cbrt (+ (/ 0.5 x) (/ 0.5 y)))
* * * * [misc]progress:  [ 9 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (cbrt (cube (+ (/ 0.5 x) (/ 0.5 y)))))>
* [enter]simplify:  Simplifying (cube (+ (/ 0.5 x) (/ 0.5 y)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (62 enodes)
* * [misc]simplify:  iters left: 1 (151 enodes)
* [exit]simplify:  Simplified to (cube (+ (/ 0.5 x) (/ 0.5 y)))
* [exit]simplify:  Simplified to (cube (+ (/ 0.5 x) (/ 0.5 y)))
* * * * [misc]progress:  [ 10 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (sqr (sqrt (+ (/ 0.5 x) (/ 0.5 y)))))>
* [enter]simplify:  Simplifying (sqrt (+ (/ 0.5 x) (/ 0.5 y)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (/ 0.5 x) (/ 0.5 y)))
* [exit]simplify:  Simplified to (sqrt (+ (/ 0.5 x) (/ 0.5 y)))
* * * * [misc]progress:  [ 11 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (/ (+ (* 0.5 y) (* x 0.5)) (* x y)))>
* [enter]simplify:  Simplifying (+ (* 0.5 y) (* x 0.5))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* [exit]simplify:  Simplified to (* 0.5 (+ x y))
* [exit]simplify:  Simplified to (* 0.5 (+ x y))
* [enter]simplify:  Simplifying (* x y)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (* y x)
* [exit]simplify:  Simplified to (* y x)
* * * * [misc]progress:  [ 12 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (/ (+ (pow (/ 0.5 x) 3) (pow (/ 0.5 y) 3)) (+ (sqr (/ 0.5 x)) (- (sqr (/ 0.5 y)) (* (/ 0.5 x) (/ 0.5 y))))))>
* [enter]simplify:  Simplifying (+ (pow (/ 0.5 x) 3) (pow (/ 0.5 y) 3))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* * [misc]simplify:  iters left: 1 (49 enodes)
* [exit]simplify:  Simplified to (+ (cube (/ 0.5 x)) (cube (/ 0.5 y)))
* [exit]simplify:  Simplified to (+ (cube (/ 0.5 x)) (cube (/ 0.5 y)))
* [enter]simplify:  Simplifying (+ (sqr (/ 0.5 x)) (- (sqr (/ 0.5 y)) (* (/ 0.5 x) (/ 0.5 y))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (43 enodes)
* * [misc]simplify:  iters left: 3 (67 enodes)
* * [misc]simplify:  iters left: 2 (99 enodes)
* * [misc]simplify:  iters left: 1 (143 enodes)
* [exit]simplify:  Simplified to (+ (sqr (/ 0.5 x)) (* (- (/ 0.5 y) (/ 0.5 x)) (/ 0.5 y)))
* [exit]simplify:  Simplified to (+ (sqr (/ 0.5 x)) (* (- (/ 0.5 y) (/ 0.5 x)) (/ 0.5 y)))
* * * * [misc]progress:  [ 13 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (* 1 (+ (/ 0.5 x) (/ 0.5 y))))>
* * * * [misc]progress:  [ 14 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (/ (- (sqr (/ 0.5 x)) (sqr (/ 0.5 y))) (- (/ 0.5 x) (/ 0.5 y))))>
* [enter]simplify:  Simplifying (- (sqr (/ 0.5 x)) (sqr (/ 0.5 y)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (47 enodes)
* * [misc]simplify:  iters left: 1 (66 enodes)
* [exit]simplify:  Simplified to (* (- (/ 0.5 x) (/ 0.5 y)) (+ (/ 0.5 y) (/ 0.5 x)))
* [exit]simplify:  Simplified to (* (- (/ 0.5 x) (/ 0.5 y)) (+ (/ 0.5 y) (/ 0.5 x)))
* [enter]simplify:  Simplifying (- (/ 0.5 x) (/ 0.5 y))
* * [misc]simplify:  iters left: 4 (6 enodes)
* [exit]simplify:  Simplified to (- (/ 0.5 x) (/ 0.5 y))
* [exit]simplify:  Simplified to (- (/ 0.5 x) (/ 0.5 y))
* * * * [misc]progress:  [ 15 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (* 1 (+ (/ 0.5 x) (/ 0.5 y))))>
* [enter]simplify:  Simplifying (+ (/ 0.5 x) (/ 0.5 y))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to (+ (/ 0.5 x) (/ 0.5 y))
* [exit]simplify:  Simplified to (+ (/ 0.5 x) (/ 0.5 y))
* * * * [misc]progress:  [ 16 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (* 0.5 (+ (/ 1 x) (/ 1 y))))>
* [enter]simplify:  Simplifying (+ (/ 1 x) (/ 1 y))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* [exit]simplify:  Simplified to (+ (/ 1 x) (/ 1 y))
* [exit]simplify:  Simplified to (+ (/ 1 x) (/ 1 y))
* * * * [misc]progress:  [ 17 / 17 ] simplifiying candidate #<alt-delta (λ (x y) (+ (/ 0.5 y) (/ 0.5 x)))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 3 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (x y) (/ (/ (+ x y) (* x 2.0)) y))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (/ (/ (+ x y) (* x 2.0)) y) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ (+ x y) (* x 2.0)) y) in y
* [misc]taylor:  Taking taylor expansion of (/ (+ x y) (* x 2.0)) in y
* [misc]taylor:  Taking taylor expansion of (+ x y) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* x 2.0) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ x 0) into x
* [misc]backup-simplify:  Simplify (* x 2.0) into (* 2.0 x)
* [misc]backup-simplify:  Simplify (/ x (* 2.0 x)) into 0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 0.5 1) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ (/ (+ x y) (* x 2.0)) y) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ x y) (* x 2.0)) in x
* [misc]taylor:  Taking taylor expansion of (+ x y) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (* x 2.0) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ 0 y) into y
* [misc]backup-simplify:  Simplify (* 0 2.0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 2.0)) into 2.0
* [misc]backup-simplify:  Simplify (/ y 2.0) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ (* 0.5 y) y) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ (/ (+ x y) (* x 2.0)) y) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ x y) (* x 2.0)) in x
* [misc]taylor:  Taking taylor expansion of (+ x y) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (* x 2.0) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ 0 y) into y
* [misc]backup-simplify:  Simplify (* 0 2.0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 2.0)) into 2.0
* [misc]backup-simplify:  Simplify (/ y 2.0) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ (* 0.5 y) y) into 0.5
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 2.0))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 2.0) (+ (* (* 0.5 y) (/ 0 2.0)))) into 0.5
* [misc]backup-simplify:  Simplify (- (/ 0.5 y) (+ (* 0.5 (/ 0 y)))) into (* 0.5 (/ 1 y))
* [misc]taylor:  Taking taylor expansion of (* 0.5 (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (* 0.5 1) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 2.0)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (* 0.5 y) (/ 0 2.0)) (* 0.5 (/ 0 2.0)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* 0.5 (/ 0 y)) (* (* 0.5 (/ 1 y)) (/ 0 y)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0.5 0) (* 0 1)) 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 0) (+ (* 0 0) (+ (* 0 0) (* 0 2.0))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (* 0.5 y) (/ 0 2.0)) (* 0.5 (/ 0 2.0)) (* 0 (/ 0 2.0)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* 0.5 (/ 0 y)) (* (* 0.5 (/ 1 y)) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) 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 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 2.0)))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (* 0.5 y) (/ 0 2.0)) (* 0.5 (/ 0 2.0)) (* 0 (/ 0 2.0)) (* 0 (/ 0 2.0)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* 0.5 (/ 0 y)) (* (* 0.5 (/ 1 y)) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0.5 (* 1 (/ 1 x))) (* 0.5 (* (/ 1 y) 1))) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* [misc]approximate:  Taking taylor expansion of (/ (/ (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) 2.0)) (/ 1 y)) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) 2.0)) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) 2.0)) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 2.0) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* (/ 1 x) 2.0) into (/ 2.0 x)
* [misc]backup-simplify:  Simplify (/ 1 (/ 2.0 x)) into (* 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (/ (* 0.5 x) 1) into (* 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ (/ (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) 2.0)) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) 2.0)) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* 1 2.0) into 2.0
* [misc]backup-simplify:  Simplify (/ 1 2.0) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 0.5 (/ 1 y)) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ (/ (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) 2.0)) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) 2.0)) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* 1 2.0) into 2.0
* [misc]backup-simplify:  Simplify (/ 1 2.0) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 0.5 (/ 1 y)) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of (* 0.5 y) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0.5 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 y)) into (/ 1 y)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 2.0)) into 0
* [misc]backup-simplify:  Simplify (- (/ (/ 1 y) 2.0) (+ (* 0.5 (/ 0 2.0)))) into (* 0.5 (/ 1 y))
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ (* 0.5 (/ 1 y)) (/ 1 y)) (+ (* (* 0.5 y) (/ 0 (/ 1 y))))) into 0.5
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) 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 0) (* 0 2.0))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* 0.5 (/ 0 2.0)) (* (* 0.5 (/ 1 y)) (/ 0 2.0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* (* 0.5 y) (/ 0 (/ 1 y))) (* 0.5 (/ 0 (/ 1 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
* [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 y) (/ 0 y)) (* 0 (/ 0 y)))) 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 0) (* 0 2.0)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* 0.5 (/ 0 2.0)) (* (* 0.5 (/ 1 y)) (/ 0 2.0)) (* 0 (/ 0 2.0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* (* 0.5 y) (/ 0 (/ 1 y))) (* 0.5 (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 (* (/ 1 y) 1)) (* 0.5 (* 1 (/ 1 x)))) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* [misc]approximate:  Taking taylor expansion of (/ (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) 2.0)) (/ 1 (- y))) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) 2.0)) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) 2.0)) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (- x)) 2.0) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* (/ -1 x) 2.0) into (/ -2.0 x)
* [misc]backup-simplify:  Simplify (/ -1 (/ -2.0 x)) into (* 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (/ (* 0.5 x) -1) into (* -0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) 2.0)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) 2.0)) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* -1 2.0) into -2.0
* [misc]backup-simplify:  Simplify (/ -1 -2.0) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ 0.5 (/ -1 y)) into (* -0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) 2.0)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) 2.0)) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* -1 2.0) into -2.0
* [misc]backup-simplify:  Simplify (/ -1 -2.0) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ 0.5 (/ -1 y)) into (* -0.5 y)
* [misc]taylor:  Taking taylor expansion of (* -0.5 y) in y
* [misc]taylor:  Taking taylor expansion of -0.5 in y
* [misc]backup-simplify:  Simplify -0.5 into -0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* -0.5 0) into 0
* [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 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ -1 y)) into (- (/ 1 y))
* [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 2.0)) into 0
* [misc]backup-simplify:  Simplify (- (/ (- (/ 1 y)) -2.0) (+ (* 0.5 (/ 0 -2.0)))) into (* 0.5 (/ 1 y))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ (* 0.5 (/ 1 y)) (/ -1 y)) (+ (* (* -0.5 y) (/ 0 (/ -1 y))))) into (- 0.5)
* [misc]taylor:  Taking taylor expansion of (- 0.5) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- 0.5) into (- 0.5)
* [misc]backup-simplify:  Simplify (- 0.5) into (- 0.5)
* [misc]backup-simplify:  Simplify (+ (* -0.5 1) (* 0 0)) into (- 0.5)
* [misc]backup-simplify:  Simplify (- 0.5) into (- 0.5)
* [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 (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) 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 0) (* 0 2.0))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -2.0) (+ (* 0.5 (/ 0 -2.0)) (* (* 0.5 (/ 1 y)) (/ 0 -2.0)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* (* -0.5 y) (/ 0 (/ -1 y))) (* (- 0.5) (/ 0 (/ -1 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* -0.5 0) (+ (* 0 1) (* 0 0))) into 0
* [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) 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 (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) 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 0) (* 0 2.0)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -2.0) (+ (* 0.5 (/ 0 -2.0)) (* (* 0.5 (/ 1 y)) (/ 0 -2.0)) (* 0 (/ 0 -2.0)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* (* -0.5 y) (/ 0 (/ -1 y))) (* (- 0.5) (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 into 0
* [misc]backup-simplify:  Simplify (+ (* (- 0.5) (* (/ 1 (- y)) 1)) (* (- 0.5) (* 1 (/ 1 (- x))))) into (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (/ (+ x y) (* x 2.0)) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (+ x y) (* x 2.0)) in y
* [misc]taylor:  Taking taylor expansion of (+ x y) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* x 2.0) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ x 0) into x
* [misc]backup-simplify:  Simplify (* x 2.0) into (* 2.0 x)
* [misc]backup-simplify:  Simplify (/ x (* 2.0 x)) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ (+ x y) (* x 2.0)) in x
* [misc]taylor:  Taking taylor expansion of (+ x y) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (* x 2.0) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ 0 y) into y
* [misc]backup-simplify:  Simplify (* 0 2.0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 2.0)) into 2.0
* [misc]backup-simplify:  Simplify (/ y 2.0) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ (+ x y) (* x 2.0)) in x
* [misc]taylor:  Taking taylor expansion of (+ x y) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of (* x 2.0) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ 0 y) into y
* [misc]backup-simplify:  Simplify (* 0 2.0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 2.0)) into 2.0
* [misc]backup-simplify:  Simplify (/ y 2.0) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of (* 0.5 y) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0.5 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 2.0))) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 2.0) (+ (* (* 0.5 y) (/ 0 2.0)))) into 0.5
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 2.0)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (* 0.5 y) (/ 0 2.0)) (* 0.5 (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 0) (+ (* 0 1) (* 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 0) (+ (* 0 0) (+ (* 0 0) (* 0 2.0))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (* 0.5 y) (/ 0 2.0)) (* 0.5 (/ 0 2.0)) (* 0 (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 (* y (/ 1 x))) 0.5) into (+ 0.5 (* 0.5 (/ y x)))
* [misc]approximate:  Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) 2.0)) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) 2.0)) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 x) 2.0) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* (/ 1 x) 2.0) into (/ 2.0 x)
* [misc]backup-simplify:  Simplify (/ 1 (/ 2.0 x)) into (* 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) 2.0)) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* 1 2.0) into 2.0
* [misc]backup-simplify:  Simplify (/ 1 2.0) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) (* (/ 1 x) 2.0)) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* 1 2.0) into 2.0
* [misc]backup-simplify:  Simplify (/ 1 2.0) into 0.5
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 (/ 1 y)) into (/ 1 y)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 2.0)) into 0
* [misc]backup-simplify:  Simplify (- (/ (/ 1 y) 2.0) (+ (* 0.5 (/ 0 2.0)))) into (* 0.5 (/ 1 y))
* [misc]taylor:  Taking taylor expansion of (* 0.5 (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (* 0.5 1) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) 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 0) (* 0 2.0))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* 0.5 (/ 0 2.0)) (* (* 0.5 (/ 1 y)) (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0.5 0) (* 0 1)) 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)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) 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 0) (* 0 2.0)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* 0.5 (/ 0 2.0)) (* (* 0.5 (/ 1 y)) (/ 0 2.0)) (* 0 (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) 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)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 2.0))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* 0.5 (/ 0 2.0)) (* (* 0.5 (/ 1 y)) (/ 0 2.0)) (* 0 (/ 0 2.0)) (* 0 (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0.5 (* 0.5 (* (/ 1 (/ 1 y)) (/ 1 x)))) into (+ (* 0.5 (/ y x)) 0.5)
* [misc]approximate:  Taking taylor expansion of (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) 2.0)) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) 2.0)) in y
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (- x)) 2.0) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* (/ -1 x) 2.0) into (/ -2.0 x)
* [misc]backup-simplify:  Simplify (/ -1 (/ -2.0 x)) into (* 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) 2.0)) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* -1 2.0) into -2.0
* [misc]backup-simplify:  Simplify (/ -1 -2.0) into 0.5
* [misc]taylor:  Taking taylor expansion of (/ (+ (/ 1 (- x)) (/ 1 (- y))) (* (/ 1 (- x)) 2.0)) in x
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (- x)) (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [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 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (* -1 2.0) into -2.0
* [misc]backup-simplify:  Simplify (/ -1 -2.0) into 0.5
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [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 (/ -1 y)) into (- (/ 1 y))
* [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 2.0)) into 0
* [misc]backup-simplify:  Simplify (- (/ (- (/ 1 y)) -2.0) (+ (* 0.5 (/ 0 -2.0)))) into (* 0.5 (/ 1 y))
* [misc]taylor:  Taking taylor expansion of (* 0.5 (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (* 0.5 1) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [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 (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) 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 0) (* 0 2.0))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -2.0) (+ (* 0.5 (/ 0 -2.0)) (* (* 0.5 (/ 1 y)) (/ 0 -2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 0.5 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) 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 (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) 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 0) (* 0 2.0)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -2.0) (+ (* 0.5 (/ 0 -2.0)) (* (* 0.5 (/ 1 y)) (/ 0 -2.0)) (* 0 (/ 0 -2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 0) (+ (* 0 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) 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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))) (* 0 (/ 0 (- y))))) 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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 2.0))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -2.0) (+ (* 0.5 (/ 0 -2.0)) (* (* 0.5 (/ 1 y)) (/ 0 -2.0)) (* 0 (/ 0 -2.0)) (* 0 (/ 0 -2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0.5 (* 0.5 (* (/ 1 (/ 1 (- y))) (/ 1 (- x))))) into (+ (* 0.5 (/ y x)) 0.5)
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 39 ] simplifiying candidate #<alt-event (λ (x y) (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))>
* [enter]simplify:  Simplifying (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* [exit]simplify:  Simplified to (+ (/ 0.5 x) (/ 0.5 y))
* * * * [misc]progress:  [ 2 / 39 ] simplifiying candidate #<alt-event (λ (x y) (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))>
* [enter]simplify:  Simplifying (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* [exit]simplify:  Simplified to (+ (/ 0.5 x) (/ 0.5 y))
* * * * [misc]progress:  [ 3 / 39 ] simplifiying candidate #<alt-event (λ (x y) (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))))>
* [enter]simplify:  Simplifying (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* [exit]simplify:  Simplified to (+ (/ 0.5 x) (/ 0.5 y))
* * * * [misc]progress:  [ 4 / 39 ] simplifiying candidate #<alt-event (λ (x y) (/ (+ 0.5 (* 0.5 (/ y x))) y))>
* [enter]simplify:  Simplifying (/ (+ 0.5 (* 0.5 (/ y x))) y)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (38 enodes)
* [exit]simplify:  Simplified to (/ (+ 1 (/ y x)) (/ y 0.5))
* * * * [misc]progress:  [ 5 / 39 ] simplifiying candidate #<alt-event (λ (x y) (/ (+ (* 0.5 (/ y x)) 0.5) y))>
* [enter]simplify:  Simplifying (/ (+ (* 0.5 (/ y x)) 0.5) y)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (38 enodes)
* [exit]simplify:  Simplified to (/ (+ 1 (/ y x)) (/ y 0.5))
* * * * [misc]progress:  [ 6 / 39 ] simplifiying candidate #<alt-event (λ (x y) (/ (+ (* 0.5 (/ y x)) 0.5) y))>
* [enter]simplify:  Simplifying (/ (+ (* 0.5 (/ y x)) 0.5) y)
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (38 enodes)
* [exit]simplify:  Simplified to (/ (+ 1 (/ y x)) (/ y 0.5))
* * * * [misc]progress:  [ 7 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (pow (/ (/ (+ x y) (* x 2.0)) y) 1))>
* * * * [misc]progress:  [ 8 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (exp (log (/ (/ (+ x y) (* x 2.0)) y))))>
* [enter]simplify:  Simplifying (log (/ (/ (+ x y) (* x 2.0)) y))
* * [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 (37 enodes)
* * [misc]simplify:  iters left: 2 (49 enodes)
* * [misc]simplify:  iters left: 1 (57 enodes)
* [exit]simplify:  Simplified to (log (/ (/ (+ x y) x) (* 2.0 y)))
* [exit]simplify:  Simplified to (log (/ (/ (+ x y) x) (* 2.0 y)))
* * * * [misc]progress:  [ 9 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (log (exp (/ (/ (+ x y) (* x 2.0)) y))))>
* [enter]simplify:  Simplifying (exp (/ (/ (+ x y) (* x 2.0)) y))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (exp (/ (/ (+ x y) x) (* 2.0 y)))
* [exit]simplify:  Simplified to (exp (/ (/ (+ x y) x) (* 2.0 y)))
* * * * [misc]progress:  [ 10 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (cube (cbrt (/ (/ (+ x y) (* x 2.0)) y))))>
* [enter]simplify:  Simplifying (cbrt (/ (/ (+ x y) (* x 2.0)) y))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (/ (+ x y) x) (* 2.0 y)))
* [exit]simplify:  Simplified to (cbrt (/ (/ (+ x y) x) (* 2.0 y)))
* * * * [misc]progress:  [ 11 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (cbrt (cube (/ (/ (+ x y) (* x 2.0)) y))))>
* [enter]simplify:  Simplifying (cube (/ (/ (+ x y) (* x 2.0)) y))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (37 enodes)
* * [misc]simplify:  iters left: 3 (91 enodes)
* * [misc]simplify:  iters left: 2 (198 enodes)
* * [misc]simplify:  iters left: 1 (448 enodes)
* [exit]simplify:  Simplified to (cube (/ (/ (+ x y) x) (* 2.0 y)))
* [exit]simplify:  Simplified to (cube (/ (/ (+ x y) x) (* 2.0 y)))
* * * * [misc]progress:  [ 12 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (sqr (sqrt (/ (/ (+ x y) (* x 2.0)) y))))>
* [enter]simplify:  Simplifying (sqrt (/ (/ (+ x y) (* x 2.0)) y))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (/ (+ x y) x) (* 2.0 y)))
* [exit]simplify:  Simplified to (sqrt (/ (/ (+ x y) x) (* 2.0 y)))
* * * * [misc]progress:  [ 13 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (- (/ (+ x y) (* x 2.0))) (- y)))>
* [enter]simplify:  Simplifying (- (/ (+ x y) (* x 2.0)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* [exit]simplify:  Simplified to (/ (- (+ x y)) (* x 2.0))
* [exit]simplify:  Simplified to (/ (- (+ x y)) (* x 2.0))
* [enter]simplify:  Simplifying (- y)
* * [misc]simplify:  iters left: 2 (2 enodes)
* [exit]simplify:  Simplified to (- y)
* [exit]simplify:  Simplified to (- y)
* * * * [misc]progress:  [ 14 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (* 1 (/ (/ (+ x y) (* x 2.0)) y)))>
* * * * [misc]progress:  [ 15 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (* (/ (+ x y) (* x 2.0)) (/ 1 y)))>
* [enter]simplify:  Simplifying (/ 1 y)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 y)
* [exit]simplify:  Simplified to (/ 1 y)
* * * * [misc]progress:  [ 16 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ 1 (/ y (/ (+ x y) (* x 2.0)))))>
* [enter]simplify:  Simplifying (/ y (/ (+ x y) (* x 2.0)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* * [misc]simplify:  iters left: 1 (41 enodes)
* [exit]simplify:  Simplified to (/ (* y 2.0) (/ (+ y x) x))
* [exit]simplify:  Simplified to (/ (* y 2.0) (/ (+ y x) x))
* * * * [misc]progress:  [ 17 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (/ 1 x) (/ y (/ (+ x y) 2.0))))>
* [enter]simplify:  Simplifying (/ y (/ (+ x y) 2.0))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (* y 2.0) (+ y x))
* [exit]simplify:  Simplified to (/ (* y 2.0) (+ y x))
* * * * [misc]progress:  [ 18 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ 1 (/ y (/ (+ x y) (* x 2.0)))))>
* [enter]simplify:  Simplifying (/ y (/ (+ x y) (* x 2.0)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* * [misc]simplify:  iters left: 1 (41 enodes)
* [exit]simplify:  Simplified to (/ (* y 2.0) (/ (+ y x) x))
* [exit]simplify:  Simplified to (/ (* y 2.0) (/ (+ y x) x))
* * * * [misc]progress:  [ 19 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (+ x y) (/ y (/ 1 (* x 2.0)))))>
* [enter]simplify:  Simplifying (/ y (/ 1 (* x 2.0)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (35 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (/ (* y 2.0) (/ 1 x))
* [exit]simplify:  Simplified to (/ (* y 2.0) (/ 1 x))
* * * * [misc]progress:  [ 20 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (+ x y) (* y (* x 2.0))))>
* [enter]simplify:  Simplifying (* y (* x 2.0))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (* y (* 2.0 x))
* [exit]simplify:  Simplified to (* y (* 2.0 x))
* * * * [misc]progress:  [ 21 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (pow (/ (+ x y) (* x 2.0)) 1) y))>
* * * * [misc]progress:  [ 22 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (exp (- (log (+ x y)) (log (* x 2.0)))) y))>
* [enter]simplify:  Simplifying (- (log (+ x y)) (log (* x 2.0)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* [exit]simplify:  Simplified to (- (log (+ x y)) (log (* x 2.0)))
* [exit]simplify:  Simplified to (- (log (+ x y)) (log (* x 2.0)))
* * * * [misc]progress:  [ 23 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (exp (log (/ (+ x y) (* x 2.0)))) y))>
* [enter]simplify:  Simplifying (log (/ (+ x y) (* x 2.0)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (24 enodes)
* [exit]simplify:  Simplified to (log (/ (+ x y) (* x 2.0)))
* [exit]simplify:  Simplified to (log (/ (+ x y) (* x 2.0)))
* * * * [misc]progress:  [ 24 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (log (exp (/ (+ x y) (* x 2.0)))) y))>
* [enter]simplify:  Simplifying (exp (/ (+ x y) (* x 2.0)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (exp (/ (+ x y) (* x 2.0)))
* [exit]simplify:  Simplified to (exp (/ (+ x y) (* x 2.0)))
* * * * [misc]progress:  [ 25 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (cbrt (/ (cube (+ x y)) (cube (* x 2.0)))) y))>
* [enter]simplify:  Simplifying (/ (cube (+ x y)) (cube (* x 2.0)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (107 enodes)
* * [misc]simplify:  iters left: 1 (285 enodes)
* [exit]simplify:  Simplified to (cube (/ (+ x y) (* x 2.0)))
* [exit]simplify:  Simplified to (cube (/ (+ x y) (* x 2.0)))
* * * * [misc]progress:  [ 26 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (cube (cbrt (/ (+ x y) (* x 2.0)))) y))>
* [enter]simplify:  Simplifying (cbrt (/ (+ x y) (* x 2.0)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (+ x y) (* x 2.0)))
* [exit]simplify:  Simplified to (cbrt (/ (+ x y) (* x 2.0)))
* * * * [misc]progress:  [ 27 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (cbrt (cube (/ (+ x y) (* x 2.0)))) y))>
* [enter]simplify:  Simplifying (cube (/ (+ x y) (* x 2.0)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (36 enodes)
* * [misc]simplify:  iters left: 2 (80 enodes)
* * [misc]simplify:  iters left: 1 (164 enodes)
* [exit]simplify:  Simplified to (cube (/ (+ x y) (* x 2.0)))
* [exit]simplify:  Simplified to (cube (/ (+ x y) (* x 2.0)))
* * * * [misc]progress:  [ 28 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (cube (/ (cbrt (+ x y)) (cbrt (* x 2.0)))) y))>
* [enter]simplify:  Simplifying (/ (cbrt (+ x y)) (cbrt (* x 2.0)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (+ x y)) (cbrt (* x 2.0)))
* [exit]simplify:  Simplified to (/ (cbrt (+ x y)) (cbrt (* x 2.0)))
* * * * [misc]progress:  [ 29 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (sqr (sqrt (/ (+ x y) (* x 2.0)))) y))>
* [enter]simplify:  Simplifying (sqrt (/ (+ x y) (* x 2.0)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (+ x y) (* x 2.0)))
* [exit]simplify:  Simplified to (sqrt (/ (+ x y) (* x 2.0)))
* * * * [misc]progress:  [ 30 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (sqr (/ (sqrt (+ x y)) (sqrt (* x 2.0)))) y))>
* [enter]simplify:  Simplifying (/ (sqrt (+ x y)) (sqrt (* x 2.0)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (+ x y)) (sqrt (* x 2.0)))
* [exit]simplify:  Simplified to (/ (sqrt (+ x y)) (sqrt (* x 2.0)))
* * * * [misc]progress:  [ 31 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (/ (- (+ x y)) (- (* x 2.0))) y))>
* [enter]simplify:  Simplifying (- (+ x y))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* [exit]simplify:  Simplified to (- (+ x y))
* [exit]simplify:  Simplified to (- (+ x y))
* [enter]simplify:  Simplifying (- (* x 2.0))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (* (- 2.0) x)
* [exit]simplify:  Simplified to (* (- 2.0) x)
* * * * [misc]progress:  [ 32 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (* (/ 1 x) (/ (+ x y) 2.0)) y))>
* [enter]simplify:  Simplifying (/ 1 x)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 x)
* [exit]simplify:  Simplified to (/ 1 x)
* [enter]simplify:  Simplifying (/ (+ x y) 2.0)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (/ (+ x y) 2.0)
* [exit]simplify:  Simplified to (/ (+ x y) 2.0)
* * * * [misc]progress:  [ 33 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (* 1 (/ (+ x y) (* x 2.0))) y))>
* * * * [misc]progress:  [ 34 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (* (+ x y) (/ 1 (* x 2.0))) y))>
* [enter]simplify:  Simplifying (/ 1 (* x 2.0))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* [exit]simplify:  Simplified to (/ 1 (* 2.0 x))
* [exit]simplify:  Simplified to (/ 1 (* 2.0 x))
* * * * [misc]progress:  [ 35 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (/ 1 (/ (* x 2.0) (+ x y))) y))>
* [enter]simplify:  Simplifying (/ (* x 2.0) (+ x y))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (/ (* 2.0 x) (+ y x))
* [exit]simplify:  Simplified to (/ (* 2.0 x) (+ y x))
* * * * [misc]progress:  [ 36 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (/ (/ (+ x y) x) 2.0) y))>
* [enter]simplify:  Simplifying (/ (+ x y) x)
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (5 enodes)
* [exit]simplify:  Simplified to (/ (+ x y) x)
* [exit]simplify:  Simplified to (/ (+ x y) x)
* * * * [misc]progress:  [ 37 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (/ 1 (/ (* x 2.0) (+ x y))) y))>
* [enter]simplify:  Simplifying (/ (* x 2.0) (+ x y))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (/ (* 2.0 x) (+ y x))
* [exit]simplify:  Simplified to (/ (* 2.0 x) (+ y x))
* * * * [misc]progress:  [ 38 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (/ (+ (pow x 3) (pow y 3)) (* (* x 2.0) (+ (sqr x) (- (sqr y) (* x y))))) y))>
* [enter]simplify:  Simplifying (* (* x 2.0) (+ (sqr x) (- (sqr y) (* x y))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (54 enodes)
* * [misc]simplify:  iters left: 3 (83 enodes)
* * [misc]simplify:  iters left: 2 (129 enodes)
* * [misc]simplify:  iters left: 1 (168 enodes)
* [exit]simplify:  Simplified to (* (- (* y y) (* x (- y x))) (* 2.0 x))
* [exit]simplify:  Simplified to (* (- (* y y) (* x (- y x))) (* 2.0 x))
* * * * [misc]progress:  [ 39 / 39 ] simplifiying candidate #<alt-delta (λ (x y) (/ (/ (- (sqr x) (sqr y)) (* (* x 2.0) (- x y))) y))>
* [enter]simplify:  Simplifying (* (* x 2.0) (- x y))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* * [misc]simplify:  iters left: 1 (16 enodes)
* [exit]simplify:  Simplified to (* (* 2.0 x) (- x y))
* [exit]simplify:  Simplified to (* (* 2.0 x) (- x y))
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-delta (λ (x y) (sqr (sqrt (+ (/ 0.5 x) (/ 0.5 y)))))> #<alt-delta (λ (x y) (/ (/ (+ x y) (* x 2.0)) y))> #<alt-delta (λ (x y) (+ (/ 0.5 x) (/ 0.5 y)))> #<alt-event (λ (x y) (/ (+ x y) (* (* x 2.0) y)))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 (/ (+ x y) (* (* x 2.0) y)) +inf.0)) , with alts (#<alt-delta (λ (x y) (+ (/ 0.5 x) (/ 0.5 y)))>)
* [enter]simplify:  Simplifying (sqrt (+ (/ 0.5 x) (/ 0.5 y)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (/ 0.5 x) (/ 0.5 y)))
* [exit]simplify:  Simplified to (sqrt (+ (/ 0.5 x) (/ 0.5 y)))
* [enter]simplify:  Simplifying (/ (+ x y) (* x 2.0))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* [exit]simplify:  Simplified to (/ (+ x y) (* x 2.0))
* [exit]simplify:  Simplified to (/ (+ x y) (* x 2.0))
* [enter]simplify:  Simplifying (/ 0.5 x)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (/ 0.5 x)
* [exit]simplify:  Simplified to (/ 0.5 x)
* [enter]simplify:  Simplifying (/ 0.5 y)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (/ 0.5 y)
* [exit]simplify:  Simplified to (/ 0.5 y)
* [enter]simplify:  Simplifying (/ (+ x y) (* (* x 2.0) y))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* * [misc]simplify:  iters left: 1 (38 enodes)
* [exit]simplify:  Simplified to (/ (+ x y) (* x (* 2.0 y)))