0.530 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.036 * * * [progress]: [2/2] Setting up program.
0.038 * [progress]: [Phase 2 of 3] Improving.
0.038 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp x) (- (exp x) 1.0))
0.039 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.039 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
0.040 * * [simplify]: iteration  2 :  8  enodes  (cost  7 )
0.041 * * [simplify]: iteration  done :  8  enodes  (cost  7 )
0.041 * [simplify]: Simplified to:
   (/ (exp x) (- (exp x) 1.0))
0.041 * * [progress]: iteration 1 / 4
0.041 * * * [progress]: picking best candidate
0.043 * * * * [pick]: Picked  #<alt (λ (x) (/ (exp x) (- (exp x) 1.0)))>
0.043 * * * [progress]: localizing error
0.046 * * * [progress]: generating rewritten candidates
0.047 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.051 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.065 * * * [progress]: generating series expansions
0.065 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.065 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0
0.065 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.065 * [taylor]: Taking taylor expansion of (exp x) in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of 1.0 in x
0.065 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.065 * [taylor]: Taking taylor expansion of (exp x) in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of 1.0 in x
0.071 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0
0.071 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.071 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.071 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of 1.0 in x
0.071 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.071 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.071 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of 1.0 in x
0.075 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0
0.075 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.075 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.075 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.075 * [taylor]: Taking taylor expansion of -1 in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of 1.0 in x
0.075 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.075 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.075 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.075 * [taylor]: Taking taylor expansion of -1 in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.076 * [taylor]: Taking taylor expansion of 1.0 in x
0.079 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.079 * [approximate]: Taking taylor expansion of (/ (exp x) (- (exp x) 1.0)) in (x) around 0
0.079 * [taylor]: Taking taylor expansion of (/ (exp x) (- (exp x) 1.0)) in x
0.079 * [taylor]: Taking taylor expansion of (exp x) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.079 * [taylor]: Taking taylor expansion of (exp x) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of 1.0 in x
0.081 * [taylor]: Taking taylor expansion of (/ (exp x) (- (exp x) 1.0)) in x
0.081 * [taylor]: Taking taylor expansion of (exp x) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.081 * [taylor]: Taking taylor expansion of (exp x) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of 1.0 in x
0.090 * [approximate]: Taking taylor expansion of (/ (exp (/ 1 x)) (- (exp (/ 1 x)) 1.0)) in (x) around 0
0.090 * [taylor]: Taking taylor expansion of (/ (exp (/ 1 x)) (- (exp (/ 1 x)) 1.0)) in x
0.090 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.091 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of 1.0 in x
0.091 * [taylor]: Taking taylor expansion of (/ (exp (/ 1 x)) (- (exp (/ 1 x)) 1.0)) in x
0.092 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.092 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of 1.0 in x
0.098 * [approximate]: Taking taylor expansion of (/ (exp (/ -1 x)) (- (exp (/ -1 x)) 1.0)) in (x) around 0
0.098 * [taylor]: Taking taylor expansion of (/ (exp (/ -1 x)) (- (exp (/ -1 x)) 1.0)) in x
0.098 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.098 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.098 * [taylor]: Taking taylor expansion of -1 in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.098 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.099 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.099 * [taylor]: Taking taylor expansion of -1 in x
0.099 * [taylor]: Taking taylor expansion of x in x
0.099 * [taylor]: Taking taylor expansion of 1.0 in x
0.099 * [taylor]: Taking taylor expansion of (/ (exp (/ -1 x)) (- (exp (/ -1 x)) 1.0)) in x
0.099 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.099 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.100 * [taylor]: Taking taylor expansion of -1 in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.100 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.100 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.100 * [taylor]: Taking taylor expansion of -1 in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of 1.0 in x
0.106 * * * [progress]: simplifying candidates
0.107 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp (exp x)) (exp 1.0))
  (log (- (exp x) 1.0))
  (exp (- (exp x) 1.0))
  (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0)))
  (cbrt (- (exp x) 1.0))
  (* (* (- (exp x) 1.0) (- (exp x) 1.0)) (- (exp x) 1.0))
  (sqrt (- (exp x) 1.0))
  (sqrt (- (exp x) 1.0))
  (- (pow (exp x) 3) (pow 1.0 3))
  (+ (* (exp x) (exp x)) (+ (* 1.0 1.0) (* (exp x) 1.0)))
  (- 1.0)
  (- (* (exp x) (exp x)) (* 1.0 1.0))
  (+ (exp x) 1.0)
  (+ (sqrt (exp x)) (sqrt 1.0))
  (- (sqrt (exp x)) (sqrt 1.0))
  (- (exp x) 1.0)
  (- 1.0)
  (- x (log (- (exp x) 1.0)))
  (log (/ (exp x) (- (exp x) 1.0)))
  (exp (/ (exp x) (- (exp x) 1.0)))
  (/ (* (* (exp x) (exp x)) (exp x)) (* (* (- (exp x) 1.0) (- (exp x) 1.0)) (- (exp x) 1.0)))
  (* (cbrt (/ (exp x) (- (exp x) 1.0))) (cbrt (/ (exp x) (- (exp x) 1.0))))
  (cbrt (/ (exp x) (- (exp x) 1.0)))
  (* (* (/ (exp x) (- (exp x) 1.0)) (/ (exp x) (- (exp x) 1.0))) (/ (exp x) (- (exp x) 1.0)))
  (sqrt (/ (exp x) (- (exp x) 1.0)))
  (sqrt (/ (exp x) (- (exp x) 1.0)))
  (- (exp x))
  (- (- (exp x) 1.0))
  (/ (* (cbrt (exp x)) (cbrt (exp x))) (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))))
  (/ (cbrt (exp x)) (cbrt (- (exp x) 1.0)))
  (/ (* (cbrt (exp x)) (cbrt (exp x))) (sqrt (- (exp x) 1.0)))
  (/ (cbrt (exp x)) (sqrt (- (exp x) 1.0)))
  (/ (* (cbrt (exp x)) (cbrt (exp x))) 1)
  (/ (cbrt (exp x)) (- (exp x) 1.0))
  (/ (* (cbrt (exp x)) (cbrt (exp x))) (+ (sqrt (exp x)) (sqrt 1.0)))
  (/ (cbrt (exp x)) (- (sqrt (exp x)) (sqrt 1.0)))
  (/ (* (cbrt (exp x)) (cbrt (exp x))) 1)
  (/ (cbrt (exp x)) (- (exp x) 1.0))
  (/ (sqrt (exp x)) (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))))
  (/ (sqrt (exp x)) (cbrt (- (exp x) 1.0)))
  (/ (sqrt (exp x)) (sqrt (- (exp x) 1.0)))
  (/ (sqrt (exp x)) (sqrt (- (exp x) 1.0)))
  (/ (sqrt (exp x)) 1)
  (/ (sqrt (exp x)) (- (exp x) 1.0))
  (/ (sqrt (exp x)) (+ (sqrt (exp x)) (sqrt 1.0)))
  (/ (sqrt (exp x)) (- (sqrt (exp x)) (sqrt 1.0)))
  (/ (sqrt (exp x)) 1)
  (/ (sqrt (exp x)) (- (exp x) 1.0))
  (/ 1 (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))))
  (/ (exp x) (cbrt (- (exp x) 1.0)))
  (/ 1 (sqrt (- (exp x) 1.0)))
  (/ (exp x) (sqrt (- (exp x) 1.0)))
  (/ 1 1)
  (/ (exp x) (- (exp x) 1.0))
  (/ 1 (+ (sqrt (exp x)) (sqrt 1.0)))
  (/ (exp x) (- (sqrt (exp x)) (sqrt 1.0)))
  (/ 1 1)
  (/ (exp x) (- (exp x) 1.0))
  (/ 1 (- (exp x) 1.0))
  (/ (- (exp x) 1.0) (exp x))
  (/ (exp x) (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))))
  (/ (exp x) (sqrt (- (exp x) 1.0)))
  (/ (exp x) 1)
  (/ (exp x) (+ (sqrt (exp x)) (sqrt 1.0)))
  (/ (exp x) 1)
  (/ (- (exp x) 1.0) (cbrt (exp x)))
  (/ (- (exp x) 1.0) (sqrt (exp x)))
  (/ (- (exp x) 1.0) (exp x))
  (/ (exp x) (- (pow (exp x) 3) (pow 1.0 3)))
  (/ (exp x) (- (* (exp x) (exp x)) (* 1.0 1.0)))
  (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
  (+ 1/2 (+ (* 1/12 x) (/ 1 x)))
  (/ (exp x) (- (exp x) 1.0))
  (/ (exp x) (- (exp x) 1.0))
0.109 * * [simplify]: iteration  0 :  91  enodes  (cost  640 )
0.123 * * [simplify]: iteration  1 :  189  enodes  (cost  614 )