* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [misc]progress:  [Phase 2 of 3] Improving.
* [enter]simplify:  Simplifying (- (log (+ 1 (exp x))) (* x y))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (- (log1p (exp x)) (* y x))
* * [misc]progress:  iteration 1 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (x y) (- (log1p (exp x)) (* y x)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 1)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (- (log1p (exp x)) (* y x)) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (- (log1p (exp x)) (* y x)) in y
* [misc]taylor:  Taking taylor expansion of (log1p (exp x)) in y
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp x)))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp x)) in y
* [misc]taylor:  Taking taylor expansion of 1 in y
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (exp x) into (exp x)
* [misc]backup-simplify:  Simplify (+ 1 (exp x)) into (+ 1 (exp x))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp x))) into (log (+ 1 (exp x)))
* [misc]taylor:  Taking taylor expansion of (* y x) 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]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of (- (log1p (exp x)) (* y x)) in x
* [misc]taylor:  Taking taylor expansion of (log1p (exp x)) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp x)))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp 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 (exp 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 1) into 2
* [misc]backup-simplify:  Simplify (log 2) into (log 2)
* [misc]taylor:  Taking taylor expansion of (* y x) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [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 (- (log1p (exp x)) (* y x)) in x
* [misc]taylor:  Taking taylor expansion of (log1p (exp x)) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp x)))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp 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 (exp 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 1) into 2
* [misc]backup-simplify:  Simplify (log 2) into (log 2)
* [misc]taylor:  Taking taylor expansion of (* y x) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [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 (* y 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (log 2) 0) into (log 2)
* [misc]taylor:  Taking taylor expansion of (log 2) in y
* [misc]taylor:  Taking taylor expansion of 2 in y
* [misc]backup-simplify:  Simplify 2 into 2
* [misc]backup-simplify:  Simplify (log 2) into (log 2)
* [misc]backup-simplify:  Simplify (log 2) into (log 2)
* [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow 2 1)))) 1) into 1/2
* [misc]backup-simplify:  Simplify (+ (* y 1) (* 0 0)) into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (+ 1/2 (- y)) into (- 1/2 y)
* [misc]taylor:  Taking taylor expansion of (- 1/2 y) in y
* [misc]taylor:  Taking taylor expansion of 1/2 in y
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [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 (+ 1/2 0) into 1/2
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 0) 1)) (pow 2 1)))) 1) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2
* [misc]backup-simplify:  Simplify (+ 0 1/2) into 1/2
* [misc]backup-simplify:  Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow 2 2))) (* 1 (/ (* 1 (pow (* 2 1/2) 1)) (pow 2 1)))) 2) into 1/8
* [misc]backup-simplify:  Simplify (+ (* y 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1/8 0) into 1/8
* [misc]taylor:  Taking taylor expansion of 1/8 in y
* [misc]backup-simplify:  Simplify 1/8 into 1/8
* [misc]backup-simplify:  Simplify 1/8 into 1/8
* [misc]backup-simplify:  Simplify (+ (* 1/8 (pow (* 1 x) 2)) (+ (* 1/2 (* 1 x)) (log 2))) into (+ (* 1/8 (pow x 2)) (+ (log 2) (* 1/2 x)))
* [misc]approximate:  Taking taylor expansion of (- (log1p (exp (/ 1 x))) (* (/ 1 y) (/ 1 x))) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (- (log1p (exp (/ 1 x))) (* (/ 1 y) (/ 1 x))) in y
* [misc]taylor:  Taking taylor expansion of (log1p (exp (/ 1 x))) in y
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp (/ 1 x))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 1 x))) in y
* [misc]taylor:  Taking taylor expansion of 1 in y
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) 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]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ 1 x))) into (+ 1 (exp (/ 1 x)))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ 1 x)))) into (log (+ 1 (exp (/ 1 x))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ 1 x)) in y
* [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) 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 (- (log1p (exp (/ 1 x))) (* (/ 1 y) (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (log1p (exp (/ 1 x))) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp (/ 1 x))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) 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]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ 1 x))) into (+ 1 (exp (/ 1 x)))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ 1 x)))) into (log (+ 1 (exp (/ 1 x))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ 1 x)) in x
* [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) 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 (- (log1p (exp (/ 1 x))) (* (/ 1 y) (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (log1p (exp (/ 1 x))) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp (/ 1 x))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) 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]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ 1 x))) into (+ 1 (exp (/ 1 x)))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ 1 x)))) into (log (+ 1 (exp (/ 1 x))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 y) (/ 1 x)) in x
* [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) 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 (* (/ 1 y) 1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (- (/ 1 y)) into (- (/ 1 y))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 y)) in y
* [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 (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (log (+ 1 (exp (/ 1 x)))) 0) into (log (+ 1 (exp (/ 1 x))))
* [misc]taylor:  Taking taylor expansion of (log (+ 1 (exp (/ 1 x)))) in y
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 1 x))) in y
* [misc]taylor:  Taking taylor expansion of 1 in y
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) 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]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ 1 x))) into (+ 1 (exp (/ 1 x)))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ 1 x)))) into (log (+ 1 (exp (/ 1 x))))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 0) 1)) (pow (+ 1 (exp (/ 1 x))) 1)))) 1) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ 1 x)))) into (log (+ 1 (exp (/ 1 x))))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* -1 (/ (* (pow (* 1 0) 2)) (pow (+ 1 (exp (/ 1 x))) 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow (+ 1 (exp (/ 1 x))) 1)))) 2) 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)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (* (exp (/ 1 x)) (+ (* (/ (pow 0 1) 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 0) 1)) (pow (+ 1 (exp (/ 1 x))) 1)))) 1) 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 (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 2 (/ (* (pow (* 1 0) 3)) (pow (+ 1 (exp (/ 1 x))) 3))) (* -3 (/ (* (pow (* 1 0) 1) (pow (* 2 0) 1)) (pow (+ 1 (exp (/ 1 x))) 2))) (* 1 (/ (* 1 1 (pow (* 6 0) 1)) (pow (+ 1 (exp (/ 1 x))) 1)))) 6) 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)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 (+ (log (+ 1 (exp (/ 1 (/ 1 x))))) (* -1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x))))) into (- (log (+ 1 (exp x))) (* y x))
* [misc]approximate:  Taking taylor expansion of (- (log1p (exp (/ 1 (- x)))) (* (/ 1 (- y)) (/ 1 (- x)))) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (- (log1p (exp (/ 1 (- x)))) (* (/ 1 (- y)) (/ 1 (- x)))) in y
* [misc]taylor:  Taking taylor expansion of (log1p (exp (/ 1 (- x)))) in y
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp (/ 1 (- x)))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 1 (- x)))) in y
* [misc]taylor:  Taking taylor expansion of 1 in y
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp (/ 1 (- x))) 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]backup-simplify:  Simplify (exp (/ -1 x)) into (exp (/ -1 x))
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ -1 x))) into (+ 1 (exp (/ -1 x)))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ -1 x)))) into (log (+ 1 (exp (/ -1 x))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ 1 (- x))) in y
* [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)) 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 (- (log1p (exp (/ 1 (- x)))) (* (/ 1 (- y)) (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (log1p (exp (/ 1 (- x)))) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp (/ 1 (- x)))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp (/ 1 (- x))) 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]backup-simplify:  Simplify (exp (/ 1 (- x))) into (exp (/ -1 x))
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ -1 x))) into (+ 1 (exp (/ -1 x)))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ -1 x)))) into (log (+ 1 (exp (/ -1 x))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ 1 (- x))) in x
* [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)) 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 (- (log1p (exp (/ 1 (- x)))) (* (/ 1 (- y)) (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (log1p (exp (/ 1 (- x)))) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp (/ 1 (- x)))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp (/ 1 (- x))) 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]backup-simplify:  Simplify (exp (/ 1 (- x))) into (exp (/ -1 x))
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ -1 x))) into (+ 1 (exp (/ -1 x)))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ -1 x)))) into (log (+ 1 (exp (/ -1 x))))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- y)) (/ 1 (- x))) in x
* [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)) 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 (* (/ -1 y) -1) into (/ 1 y)
* [misc]backup-simplify:  Simplify (- (/ 1 y)) into (- (/ 1 y))
* [misc]backup-simplify:  Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
* [misc]taylor:  Taking taylor expansion of (- (/ 1 y)) in y
* [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 (- 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 y) 0) (* 0 -1)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ (log (+ 1 (exp (/ -1 x)))) 0) into (log (+ 1 (exp (/ -1 x))))
* [misc]taylor:  Taking taylor expansion of (log (+ 1 (exp (/ -1 x)))) in y
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ -1 x))) in y
* [misc]taylor:  Taking taylor expansion of 1 in y
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp (/ -1 x)) in y
* [misc]taylor:  Taking taylor expansion of (/ -1 x) in y
* [misc]taylor:  Taking taylor expansion of -1 in y
* [misc]backup-simplify:  Simplify -1 into -1
* [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 (exp (/ -1 x)) into (exp (/ -1 x))
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ -1 x))) into (+ 1 (exp (/ -1 x)))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ -1 x)))) into (log (+ 1 (exp (/ -1 x))))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 0) 1)) (pow (+ 1 (exp (/ -1 x))) 1)))) 1) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 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 (+ (* (/ -1 y) 0) (+ (* 0 0) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ -1 x)))) into (log (+ 1 (exp (/ -1 x))))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* -1 (/ (* (pow (* 1 0) 2)) (pow (+ 1 (exp (/ -1 x))) 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow (+ 1 (exp (/ -1 x))) 1)))) 2) 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 (- 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 (+ (* (/ -1 y) 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 x) (+ (* (/ -1 x) (/ 0 x)))) into 0
* [misc]backup-simplify:  Simplify (* (exp (/ -1 x)) (+ (* (/ (pow 0 1) 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 0) 1)) (pow (+ 1 (exp (/ -1 x))) 1)))) 1) 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 (- 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 2 (/ (* (pow (* 1 0) 3)) (pow (+ 1 (exp (/ -1 x))) 3))) (* -3 (/ (* (pow (* 1 0) 1) (pow (* 2 0) 1)) (pow (+ 1 (exp (/ -1 x))) 2))) (* 1 (/ (* 1 1 (pow (* 6 0) 1)) (pow (+ 1 (exp (/ -1 x))) 1)))) 6) 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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))) (* 0 (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (+ (* (/ -1 y) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 -1))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]taylor:  Taking taylor expansion of 0 in 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 (+ (log (+ 1 (exp (/ -1 (/ 1 (- x)))))) (* -1 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) into (- (log (+ 1 (exp x))) (* y x))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (log1p (exp x)) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (log1p (exp x)) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp x)))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp 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 (exp 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 1) into 2
* [misc]backup-simplify:  Simplify (log 2) into (log 2)
* [misc]taylor:  Taking taylor expansion of (log1p (exp x)) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp x)))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp 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 (exp 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 1) into 2
* [misc]backup-simplify:  Simplify (log 2) into (log 2)
* [misc]backup-simplify:  Simplify (log 2) into (log 2)
* [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow 2 1)))) 1) into 1/2
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2
* [misc]backup-simplify:  Simplify (+ 0 1/2) into 1/2
* [misc]backup-simplify:  Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow 2 2))) (* 1 (/ (* 1 (pow (* 2 1/2) 1)) (pow 2 1)))) 2) into 1/8
* [misc]backup-simplify:  Simplify 1/8 into 1/8
* [misc]backup-simplify:  Simplify (+ (* 1/8 (pow x 2)) (+ (* 1/2 x) (log 2))) into (+ (* 1/8 (pow x 2)) (+ (log 2) (* 1/2 x)))
* [misc]approximate:  Taking taylor expansion of (log1p (exp (/ 1 x))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (log1p (exp (/ 1 x))) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp (/ 1 x))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) 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]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ 1 x))) into (+ 1 (exp (/ 1 x)))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ 1 x)))) into (log (+ 1 (exp (/ 1 x))))
* [misc]taylor:  Taking taylor expansion of (log1p (exp (/ 1 x))) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp (/ 1 x))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) 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]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ 1 x))) into (+ 1 (exp (/ 1 x)))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ 1 x)))) into (log (+ 1 (exp (/ 1 x))))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ 1 x)))) into (log (+ 1 (exp (/ 1 x))))
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 0) 1)) (pow (+ 1 (exp (/ 1 x))) 1)))) 1) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* -1 (/ (* (pow (* 1 0) 2)) (pow (+ 1 (exp (/ 1 x))) 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow (+ 1 (exp (/ 1 x))) 1)))) 2) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 2 (/ (* (pow (* 1 0) 3)) (pow (+ 1 (exp (/ 1 x))) 3))) (* -3 (/ (* (pow (* 1 0) 1) (pow (* 2 0) 1)) (pow (+ 1 (exp (/ 1 x))) 2))) (* 1 (/ (* 1 1 (pow (* 6 0) 1)) (pow (+ 1 (exp (/ 1 x))) 1)))) 6) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* -6 (/ (* (pow (* 1 0) 4)) (pow (+ 1 (exp (/ 1 x))) 4))) (* 12 (/ (* (pow (* 1 0) 2) (pow (* 2 0) 1)) (pow (+ 1 (exp (/ 1 x))) 3))) (* -3 (/ (* 1 (pow (* 2 0) 2)) (pow (+ 1 (exp (/ 1 x))) 2))) (* -4 (/ (* (pow (* 1 0) 1) 1 (pow (* 6 0) 1)) (pow (+ 1 (exp (/ 1 x))) 2))) (* 1 (/ (* 1 1 1 (pow (* 24 0) 1)) (pow (+ 1 (exp (/ 1 x))) 1)))) 24) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 24 (/ (* (pow (* 1 0) 5)) (pow (+ 1 (exp (/ 1 x))) 5))) (* -60 (/ (* (pow (* 1 0) 3) (pow (* 2 0) 1)) (pow (+ 1 (exp (/ 1 x))) 4))) (* 30 (/ (* (pow (* 1 0) 1) (pow (* 2 0) 2)) (pow (+ 1 (exp (/ 1 x))) 3))) (* 20 (/ (* (pow (* 1 0) 2) 1 (pow (* 6 0) 1)) (pow (+ 1 (exp (/ 1 x))) 3))) (* -10 (/ (* 1 (pow (* 2 0) 1) (pow (* 6 0) 1)) (pow (+ 1 (exp (/ 1 x))) 2))) (* -5 (/ (* (pow (* 1 0) 1) 1 1 (pow (* 24 0) 1)) (pow (+ 1 (exp (/ 1 x))) 2))) (* 1 (/ (* 1 1 1 1 (pow (* 120 0) 1)) (pow (+ 1 (exp (/ 1 x))) 1)))) 120) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* -120 (/ (* (pow (* 1 0) 6)) (pow (+ 1 (exp (/ 1 x))) 6))) (* 360 (/ (* (pow (* 1 0) 4) (pow (* 2 0) 1)) (pow (+ 1 (exp (/ 1 x))) 5))) (* -270 (/ (* (pow (* 1 0) 2) (pow (* 2 0) 2)) (pow (+ 1 (exp (/ 1 x))) 4))) (* -120 (/ (* (pow (* 1 0) 3) 1 (pow (* 6 0) 1)) (pow (+ 1 (exp (/ 1 x))) 4))) (* 30 (/ (* 1 (pow (* 2 0) 3)) (pow (+ 1 (exp (/ 1 x))) 3))) (* 120 (/ (* (pow (* 1 0) 1) (pow (* 2 0) 1) (pow (* 6 0) 1)) (pow (+ 1 (exp (/ 1 x))) 3))) (* 30 (/ (* (pow (* 1 0) 2) 1 1 (pow (* 24 0) 1)) (pow (+ 1 (exp (/ 1 x))) 3))) (* -10 (/ (* 1 1 (pow (* 6 0) 2)) (pow (+ 1 (exp (/ 1 x))) 2))) (* -15 (/ (* 1 (pow (* 2 0) 1) 1 (pow (* 24 0) 1)) (pow (+ 1 (exp (/ 1 x))) 2))) (* -6 (/ (* (pow (* 1 0) 1) 1 1 1 (pow (* 120 0) 1)) (pow (+ 1 (exp (/ 1 x))) 2))) (* 1 (/ (* 1 1 1 1 1 (pow (* 720 0) 1)) (pow (+ 1 (exp (/ 1 x))) 1)))) 720) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ 1 (/ 1 x))))) into (log (+ 1 (exp x)))
* [misc]approximate:  Taking taylor expansion of (log1p (exp (/ 1 (- x)))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (log1p (exp (/ 1 (- x)))) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp (/ 1 (- x)))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp (/ 1 (- x))) 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]backup-simplify:  Simplify (exp (/ 1 (- x))) into (exp (/ -1 x))
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ -1 x))) into (+ 1 (exp (/ -1 x)))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ -1 x)))) into (log (+ 1 (exp (/ -1 x))))
* [misc]taylor:  Taking taylor expansion of (log1p (exp (/ 1 (- x)))) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (exp (/ 1 (- x)))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (exp (/ 1 (- x))) 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]backup-simplify:  Simplify (exp (/ 1 (- x))) into (exp (/ -1 x))
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ -1 x))) into (+ 1 (exp (/ -1 x)))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ -1 x)))) into (log (+ 1 (exp (/ -1 x))))
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ -1 x)))) into (log (+ 1 (exp (/ -1 x))))
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 0) 1)) (pow (+ 1 (exp (/ -1 x))) 1)))) 1) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* -1 (/ (* (pow (* 1 0) 2)) (pow (+ 1 (exp (/ -1 x))) 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow (+ 1 (exp (/ -1 x))) 1)))) 2) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 2 (/ (* (pow (* 1 0) 3)) (pow (+ 1 (exp (/ -1 x))) 3))) (* -3 (/ (* (pow (* 1 0) 1) (pow (* 2 0) 1)) (pow (+ 1 (exp (/ -1 x))) 2))) (* 1 (/ (* 1 1 (pow (* 6 0) 1)) (pow (+ 1 (exp (/ -1 x))) 1)))) 6) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* -6 (/ (* (pow (* 1 0) 4)) (pow (+ 1 (exp (/ -1 x))) 4))) (* 12 (/ (* (pow (* 1 0) 2) (pow (* 2 0) 1)) (pow (+ 1 (exp (/ -1 x))) 3))) (* -3 (/ (* 1 (pow (* 2 0) 2)) (pow (+ 1 (exp (/ -1 x))) 2))) (* -4 (/ (* (pow (* 1 0) 1) 1 (pow (* 6 0) 1)) (pow (+ 1 (exp (/ -1 x))) 2))) (* 1 (/ (* 1 1 1 (pow (* 24 0) 1)) (pow (+ 1 (exp (/ -1 x))) 1)))) 24) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* 24 (/ (* (pow (* 1 0) 5)) (pow (+ 1 (exp (/ -1 x))) 5))) (* -60 (/ (* (pow (* 1 0) 3) (pow (* 2 0) 1)) (pow (+ 1 (exp (/ -1 x))) 4))) (* 30 (/ (* (pow (* 1 0) 1) (pow (* 2 0) 2)) (pow (+ 1 (exp (/ -1 x))) 3))) (* 20 (/ (* (pow (* 1 0) 2) 1 (pow (* 6 0) 1)) (pow (+ 1 (exp (/ -1 x))) 3))) (* -10 (/ (* 1 (pow (* 2 0) 1) (pow (* 6 0) 1)) (pow (+ 1 (exp (/ -1 x))) 2))) (* -5 (/ (* (pow (* 1 0) 1) 1 1 (pow (* 24 0) 1)) (pow (+ 1 (exp (/ -1 x))) 2))) (* 1 (/ (* 1 1 1 1 (pow (* 120 0) 1)) (pow (+ 1 (exp (/ -1 x))) 1)))) 120) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* -120 (/ (* (pow (* 1 0) 6)) (pow (+ 1 (exp (/ -1 x))) 6))) (* 360 (/ (* (pow (* 1 0) 4) (pow (* 2 0) 1)) (pow (+ 1 (exp (/ -1 x))) 5))) (* -270 (/ (* (pow (* 1 0) 2) (pow (* 2 0) 2)) (pow (+ 1 (exp (/ -1 x))) 4))) (* -120 (/ (* (pow (* 1 0) 3) 1 (pow (* 6 0) 1)) (pow (+ 1 (exp (/ -1 x))) 4))) (* 30 (/ (* 1 (pow (* 2 0) 3)) (pow (+ 1 (exp (/ -1 x))) 3))) (* 120 (/ (* (pow (* 1 0) 1) (pow (* 2 0) 1) (pow (* 6 0) 1)) (pow (+ 1 (exp (/ -1 x))) 3))) (* 30 (/ (* (pow (* 1 0) 2) 1 1 (pow (* 24 0) 1)) (pow (+ 1 (exp (/ -1 x))) 3))) (* -10 (/ (* 1 1 (pow (* 6 0) 2)) (pow (+ 1 (exp (/ -1 x))) 2))) (* -15 (/ (* 1 (pow (* 2 0) 1) 1 (pow (* 24 0) 1)) (pow (+ 1 (exp (/ -1 x))) 2))) (* -6 (/ (* (pow (* 1 0) 1) 1 1 1 (pow (* 120 0) 1)) (pow (+ 1 (exp (/ -1 x))) 2))) (* 1 (/ (* 1 1 1 1 1 (pow (* 720 0) 1)) (pow (+ 1 (exp (/ -1 x))) 1)))) 720) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (log (+ 1 (exp (/ -1 (/ 1 (- x)))))) into (log (+ 1 (exp x)))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (log1p (expm1 (- (log1p (exp x)) (* y x)))))>
* [enter]simplify:  Simplifying (expm1 (- (log1p (exp x)) (* y x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (expm1 (- (log1p (exp x)) (* y x)))
* [exit]simplify:  Simplified to (expm1 (- (log1p (exp x)) (* y x)))
* * * * [misc]progress:  [ 2 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (expm1 (log1p (- (log1p (exp x)) (* y x)))))>
* [enter]simplify:  Simplifying (log1p (- (log1p (exp x)) (* y x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (log1p (- (log1p (exp x)) (* y x)))
* [exit]simplify:  Simplified to (log1p (- (log1p (exp x)) (* y x)))
* * * * [misc]progress:  [ 3 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (fma (* (cbrt (log1p (exp x))) (cbrt (log1p (exp x)))) (cbrt (log1p (exp x))) (- (* y x))))>
* [enter]simplify:  Simplifying (- (* y x))
* * [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 (* y (- x))
* [exit]simplify:  Simplified to (* y (- x))
* * * * [misc]progress:  [ 4 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (fma (sqrt (log1p (exp x))) (sqrt (log1p (exp x))) (- (* y x))))>
* [enter]simplify:  Simplifying (- (* y x))
* * [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 (* y (- x))
* [exit]simplify:  Simplified to (* y (- x))
* * * * [misc]progress:  [ 5 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (fma 1 (log1p (exp x)) (- (* y x))))>
* [enter]simplify:  Simplifying (- (* y x))
* * [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 (* y (- x))
* [exit]simplify:  Simplified to (* y (- x))
* * * * [misc]progress:  [ 6 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (log (/ (+ 1 (exp x)) (exp (* y x)))))>
* [enter]simplify:  Simplifying (/ (+ 1 (exp x)) (exp (* y x)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* [exit]simplify:  Simplified to (/ (+ 1 (exp x)) (exp (* x y)))
* [exit]simplify:  Simplified to (/ (+ 1 (exp x)) (exp (* x y)))
* * * * [misc]progress:  [ 7 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (log (/ (exp (log1p (exp x))) (exp (* y x)))))>
* [enter]simplify:  Simplifying (/ (exp (log1p (exp x))) (exp (* y x)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (exp (- (log1p (exp x)) (* x y)))
* [exit]simplify:  Simplified to (exp (- (log1p (exp x)) (* x y)))
* * * * [misc]progress:  [ 8 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (pow (- (log1p (exp x)) (* y x)) 1))>
* * * * [misc]progress:  [ 9 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (exp (log (- (log1p (exp x)) (* y x)))))>
* [enter]simplify:  Simplifying (log (- (log1p (exp x)) (* y x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (log (- (log1p (exp x)) (* y x)))
* [exit]simplify:  Simplified to (log (- (log1p (exp x)) (* y x)))
* * * * [misc]progress:  [ 10 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (log (exp (- (log1p (exp x)) (* y x)))))>
* [enter]simplify:  Simplifying (exp (- (log1p (exp x)) (* y x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* [exit]simplify:  Simplified to (exp (- (log1p (exp x)) (* y x)))
* [exit]simplify:  Simplified to (exp (- (log1p (exp x)) (* y x)))
* * * * [misc]progress:  [ 11 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (* (* (cbrt (- (log1p (exp x)) (* y x))) (cbrt (- (log1p (exp x)) (* y x)))) (cbrt (- (log1p (exp x)) (* y x)))))>
* [enter]simplify:  Simplifying (* (cbrt (- (log1p (exp x)) (* y x))) (cbrt (- (log1p (exp x)) (* y x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* [exit]simplify:  Simplified to (* (cbrt (- (log1p (exp x)) (* y x))) (cbrt (- (log1p (exp x)) (* y x))))
* [exit]simplify:  Simplified to (* (cbrt (- (log1p (exp x)) (* y x))) (cbrt (- (log1p (exp x)) (* y x))))
* [enter]simplify:  Simplifying (cbrt (- (log1p (exp x)) (* y x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (cbrt (- (log1p (exp x)) (* y x)))
* [exit]simplify:  Simplified to (cbrt (- (log1p (exp x)) (* y x)))
* * * * [misc]progress:  [ 12 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (cbrt (* (* (- (log1p (exp x)) (* y x)) (- (log1p (exp x)) (* y x))) (- (log1p (exp x)) (* y x)))))>
* [enter]simplify:  Simplifying (* (* (- (log1p (exp x)) (* y x)) (- (log1p (exp x)) (* y x))) (- (log1p (exp x)) (* y x)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (pow (- (log1p (exp x)) (* y x)) 3)
* [exit]simplify:  Simplified to (pow (- (log1p (exp x)) (* y x)) 3)
* * * * [misc]progress:  [ 13 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (* (sqrt (- (log1p (exp x)) (* y x))) (sqrt (- (log1p (exp x)) (* y x)))))>
* [enter]simplify:  Simplifying (sqrt (- (log1p (exp x)) (* y x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (sqrt (- (log1p (exp x)) (* y x)))
* [exit]simplify:  Simplified to (sqrt (- (log1p (exp x)) (* y x)))
* [enter]simplify:  Simplifying (sqrt (- (log1p (exp x)) (* y x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (sqrt (- (log1p (exp x)) (* y x)))
* [exit]simplify:  Simplified to (sqrt (- (log1p (exp x)) (* y x)))
* * * * [misc]progress:  [ 14 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (/ (- (pow (log1p (exp x)) 3) (pow (* y x) 3)) (+ (* (log1p (exp x)) (log1p (exp x))) (+ (* (* y x) (* y x)) (* (log1p (exp x)) (* y x))))))>
* [enter]simplify:  Simplifying (- (pow (log1p (exp x)) 3) (pow (* y x) 3))
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (33 enodes)
* * [misc]simplify:  iters left: 2 (67 enodes)
* * [misc]simplify:  iters left: 1 (125 enodes)
* [exit]simplify:  Simplified to (fma (* (log1p (exp x)) (log1p (exp x))) (log1p (exp x)) (* (* (* y x) (* y x)) (- (* y x))))
* [exit]simplify:  Simplified to (fma (* (log1p (exp x)) (log1p (exp x))) (log1p (exp x)) (* (* (* y x) (* y x)) (- (* y x))))
* [enter]simplify:  Simplifying (+ (* (log1p (exp x)) (log1p (exp x))) (+ (* (* y x) (* y x)) (* (log1p (exp x)) (* y x))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (47 enodes)
* * [misc]simplify:  iters left: 3 (89 enodes)
* * [misc]simplify:  iters left: 2 (112 enodes)
* * [misc]simplify:  iters left: 1 (128 enodes)
* [exit]simplify:  Simplified to (fma (log1p (exp x)) (* x y) (fma (log1p (exp x)) (log1p (exp x)) (* (* x y) (* x y))))
* [exit]simplify:  Simplified to (fma (log1p (exp x)) (* x y) (fma (log1p (exp x)) (log1p (exp x)) (* (* x y) (* x y))))
* * * * [misc]progress:  [ 15 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (+ (log1p (exp x)) (- (* y x))))>
* [enter]simplify:  Simplifying (- (* y x))
* * [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 (* y (- x))
* [exit]simplify:  Simplified to (* y (- x))
* * * * [misc]progress:  [ 16 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (* 1 (- (log1p (exp x)) (* y x))))>
* * * * [misc]progress:  [ 17 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (/ (- (* (log1p (exp x)) (log1p (exp x))) (* (* y x) (* y x))) (+ (log1p (exp x)) (* y x))))>
* [enter]simplify:  Simplifying (- (* (log1p (exp x)) (log1p (exp x))) (* (* y x) (* y x)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (53 enodes)
* * [misc]simplify:  iters left: 2 (75 enodes)
* * [misc]simplify:  iters left: 1 (85 enodes)
* [exit]simplify:  Simplified to (- (* (log1p (exp x)) (log1p (exp x))) (* (* x y) (* x y)))
* [exit]simplify:  Simplified to (- (* (log1p (exp x)) (log1p (exp x))) (* (* x y) (* x y)))
* [enter]simplify:  Simplifying (+ (log1p (exp x)) (* y x))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* [exit]simplify:  Simplified to (fma y x (log1p (exp x)))
* [exit]simplify:  Simplified to (fma y x (log1p (exp x)))
* * * * [misc]progress:  [ 18 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (- (log (+ 1 (exp x))) (* y x)))>
* [enter]simplify:  Simplifying (+ 1 (exp x))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (+ 1 (exp x))
* [exit]simplify:  Simplified to (+ 1 (exp x))
* * * * [misc]progress:  [ 19 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (- (log1p (expm1 (log1p (exp x)))) (* y x)))>
* [enter]simplify:  Simplifying (expm1 (log1p (exp x)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (exp x)
* [exit]simplify:  Simplified to (exp x)
* * * * [misc]progress:  [ 20 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (- (expm1 (log1p (log1p (exp x)))) (* y x)))>
* [enter]simplify:  Simplifying (log1p (log1p (exp x)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (log1p (log1p (exp x)))
* [exit]simplify:  Simplified to (log1p (log1p (exp x)))
* * * * [misc]progress:  [ 21 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (- (log1p (exp x)) (* y x)))>
* * * * [misc]progress:  [ 22 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (- (pow (log1p (exp x)) 1) (* y x)))>
* * * * [misc]progress:  [ 23 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (- (exp (log (log1p (exp x)))) (* y x)))>
* [enter]simplify:  Simplifying (log (log1p (exp x)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (log (log1p (exp x)))
* [exit]simplify:  Simplified to (log (log1p (exp x)))
* * * * [misc]progress:  [ 24 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (- (log (exp (log1p (exp x)))) (* y x)))>
* [enter]simplify:  Simplifying (exp (log1p (exp x)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (exp (log1p (exp x)))
* [exit]simplify:  Simplified to (exp (log1p (exp x)))
* * * * [misc]progress:  [ 25 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (- (* (* (cbrt (log1p (exp x))) (cbrt (log1p (exp x)))) (cbrt (log1p (exp x)))) (* y x)))>
* [enter]simplify:  Simplifying (* (cbrt (log1p (exp x))) (cbrt (log1p (exp x))))
* * [misc]simplify:  iters left: 5 (5 enodes)
* [exit]simplify:  Simplified to (* (cbrt (log1p (exp x))) (cbrt (log1p (exp x))))
* [exit]simplify:  Simplified to (* (cbrt (log1p (exp x))) (cbrt (log1p (exp x))))
* [enter]simplify:  Simplifying (cbrt (log1p (exp x)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (cbrt (log1p (exp x)))
* [exit]simplify:  Simplified to (cbrt (log1p (exp x)))
* * * * [misc]progress:  [ 26 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (- (cbrt (* (* (log1p (exp x)) (log1p (exp x))) (log1p (exp x)))) (* y x)))>
* [enter]simplify:  Simplifying (* (* (log1p (exp x)) (log1p (exp x))) (log1p (exp x)))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (pow (log1p (exp x)) 3)
* [exit]simplify:  Simplified to (pow (log1p (exp x)) 3)
* * * * [misc]progress:  [ 27 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (- (* (sqrt (log1p (exp x))) (sqrt (log1p (exp x)))) (* y x)))>
* [enter]simplify:  Simplifying (sqrt (log1p (exp x)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (log1p (exp x)))
* [exit]simplify:  Simplified to (sqrt (log1p (exp x)))
* [enter]simplify:  Simplifying (sqrt (log1p (exp x)))
* * [misc]simplify:  iters left: 3 (4 enodes)
* [exit]simplify:  Simplified to (sqrt (log1p (exp x)))
* [exit]simplify:  Simplified to (sqrt (log1p (exp x)))
* * * * [misc]progress:  [ 28 / 34 ] simplifiying candidate #<alt-delta (λ (x y) (- (* 1 (log1p (exp x))) (* y x)))>
* * * * [misc]progress:  [ 29 / 34 ] simplifiying candidate #<alt-event (λ (x y) (+ (* 1/8 (pow x 2)) (+ (log 2) (* 1/2 x))))>
* [enter]simplify:  Simplifying (+ (* 1/8 (pow x 2)) (+ (log 2) (* 1/2 x)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (54 enodes)
* [exit]simplify:  Simplified to (fma x (fma x 1/8 1/2) (log 2))
* * * * [misc]progress:  [ 30 / 34 ] simplifiying candidate #<alt-event (λ (x y) (- (log (+ 1 (exp x))) (* y x)))>
* [enter]simplify:  Simplifying (- (log (+ 1 (exp x))) (* y x))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (- (log1p (exp x)) (* y x))
* * * * [misc]progress:  [ 31 / 34 ] simplifiying candidate #<alt-event (λ (x y) (- (log (+ 1 (exp x))) (* y x)))>
* [enter]simplify:  Simplifying (- (log (+ 1 (exp x))) (* y x))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (- (log1p (exp x)) (* y x))
* * * * [misc]progress:  [ 32 / 34 ] simplifiying candidate #<alt-event (λ (x y) (- (+ (* 1/8 (pow x 2)) (+ (log 2) (* 1/2 x))) (* y x)))>
* [enter]simplify:  Simplifying (- (+ (* 1/8 (pow x 2)) (+ (log 2) (* 1/2 x))) (* y x))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (59 enodes)
* * [misc]simplify:  iters left: 2 (93 enodes)
* * [misc]simplify:  iters left: 1 (127 enodes)
* [exit]simplify:  Simplified to (- (fma x (fma x 1/8 1/2) (log 2)) (* y x))
* * * * [misc]progress:  [ 33 / 34 ] simplifiying candidate #<alt-event (λ (x y) (- (log (+ 1 (exp x))) (* y x)))>
* [enter]simplify:  Simplifying (- (log (+ 1 (exp x))) (* y x))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (- (log1p (exp x)) (* y x))
* * * * [misc]progress:  [ 34 / 34 ] simplifiying candidate #<alt-event (λ (x y) (- (log (+ 1 (exp x))) (* y x)))>
* [enter]simplify:  Simplifying (- (log (+ 1 (exp x))) (* y x))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (- (log1p (exp x)) (* y x))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (x y) (fma x (fma x 1/8 1/2) (log 2)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * [misc]progress:  generating series expansions
* * * [misc]progress:  simplifying candidates
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-delta (λ (x y) (- (log1p (exp x)) (* y x)))> #<alt-delta (λ (x y) (fma x (fma x 1/8 1/2) (log 2)))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 x +nan.0)) , with alts (#<alt-delta (λ (x y) (- (log1p (exp x)) (* y x)))>)
* [enter]simplify:  Simplifying (log1p (exp x))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (log1p (exp x))
* [exit]simplify:  Simplified to (log1p (exp x))
* [enter]simplify:  Simplifying (* y x)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (* x y)
* [exit]simplify:  Simplified to (* x y)