42.061 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.033 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (- (exp x) 1.0) x)
0.036 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
0.037 * * [simplify]: iteration  1 :  10  enodes  (cost  6 )
0.038 * * [simplify]: iteration  2 :  13  enodes  (cost  6 )
0.039 * * [simplify]: iteration  3 :  15  enodes  (cost  6 )
0.041 * * [simplify]: iteration  done :  15  enodes  (cost  6 )
0.041 * [simplify]: Simplified to:
   (/ (- (exp x) 1.0) x)
0.041 * * [progress]: iteration 1 / 4
0.041 * * * [progress]: picking best candidate
0.043 * * * * [pick]: Picked  #<alt (λ (x) (/ (- (exp x) 1.0) x))>
0.043 * * * [progress]: localizing error
0.047 * * * [progress]: generating rewritten candidates
0.047 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.051 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.060 * * * [progress]: generating series expansions
0.060 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.060 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0
0.060 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.060 * [taylor]: Taking taylor expansion of (exp x) in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [taylor]: Taking taylor expansion of 1.0 in x
0.060 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.060 * [taylor]: Taking taylor expansion of (exp x) in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [taylor]: Taking taylor expansion of 1.0 in x
0.061 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0
0.061 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.061 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.061 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of 1.0 in x
0.061 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.061 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.062 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of 1.0 in x
0.062 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0
0.062 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.062 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.062 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.062 * [taylor]: Taking taylor expansion of -1 in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of 1.0 in x
0.062 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.062 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.062 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.062 * [taylor]: Taking taylor expansion of -1 in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of 1.0 in x
0.063 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.063 * [approximate]: Taking taylor expansion of (/ (- (exp x) 1.0) x) in (x) around 0
0.063 * [taylor]: Taking taylor expansion of (/ (- (exp x) 1.0) x) in x
0.063 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.063 * [taylor]: Taking taylor expansion of (exp x) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of 1.0 in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of (/ (- (exp x) 1.0) x) in x
0.063 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.063 * [taylor]: Taking taylor expansion of (exp x) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of 1.0 in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.064 * [approximate]: Taking taylor expansion of (* x (- (exp (/ 1 x)) 1.0)) in (x) around 0
0.064 * [taylor]: Taking taylor expansion of (* x (- (exp (/ 1 x)) 1.0)) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.064 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.064 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [taylor]: Taking taylor expansion of 1.0 in x
0.064 * [taylor]: Taking taylor expansion of (* x (- (exp (/ 1 x)) 1.0)) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.064 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.064 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [taylor]: Taking taylor expansion of 1.0 in x
0.065 * [approximate]: Taking taylor expansion of (* -1 (* (- (exp (/ -1 x)) 1.0) x)) in (x) around 0
0.065 * [taylor]: Taking taylor expansion of (* -1 (* (- (exp (/ -1 x)) 1.0) x)) in x
0.065 * [taylor]: Taking taylor expansion of -1 in x
0.065 * [taylor]: Taking taylor expansion of (* (- (exp (/ -1 x)) 1.0) x) in x
0.065 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.065 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.065 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.065 * [taylor]: Taking taylor expansion of -1 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 x in x
0.065 * [taylor]: Taking taylor expansion of (* -1 (* (- (exp (/ -1 x)) 1.0) x)) in x
0.065 * [taylor]: Taking taylor expansion of -1 in x
0.065 * [taylor]: Taking taylor expansion of (* (- (exp (/ -1 x)) 1.0) x) in x
0.065 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.065 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.065 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.065 * [taylor]: Taking taylor expansion of -1 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 x in x
0.067 * * * [progress]: simplifying candidates
0.068 * [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)))
  (neg 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)
  (neg 1.0)
  (- (log (- (exp x) 1.0)) (log x))
  (log (/ (- (exp x) 1.0) x))
  (exp (/ (- (exp x) 1.0) x))
  (/ (* (* (- (exp x) 1.0) (- (exp x) 1.0)) (- (exp x) 1.0)) (* (* x x) x))
  (* (cbrt (/ (- (exp x) 1.0) x)) (cbrt (/ (- (exp x) 1.0) x)))
  (cbrt (/ (- (exp x) 1.0) x))
  (* (* (/ (- (exp x) 1.0) x) (/ (- (exp x) 1.0) x)) (/ (- (exp x) 1.0) x))
  (sqrt (/ (- (exp x) 1.0) x))
  (sqrt (/ (- (exp x) 1.0) x))
  (neg (- (exp x) 1.0))
  (neg x)
  (/ (exp x) x)
  (/ 1.0 x)
  (/ (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))) (* (cbrt x) (cbrt x)))
  (/ (cbrt (- (exp x) 1.0)) (cbrt x))
  (/ (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))) (sqrt x))
  (/ (cbrt (- (exp x) 1.0)) (sqrt x))
  (/ (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))) 1)
  (/ (cbrt (- (exp x) 1.0)) x)
  (/ (sqrt (- (exp x) 1.0)) (* (cbrt x) (cbrt x)))
  (/ (sqrt (- (exp x) 1.0)) (cbrt x))
  (/ (sqrt (- (exp x) 1.0)) (sqrt x))
  (/ (sqrt (- (exp x) 1.0)) (sqrt x))
  (/ (sqrt (- (exp x) 1.0)) 1)
  (/ (sqrt (- (exp x) 1.0)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (- (exp x) 1.0) (cbrt x))
  (/ 1 (sqrt x))
  (/ (- (exp x) 1.0) (sqrt x))
  (/ 1 1)
  (/ (- (exp x) 1.0) x)
  (/ (+ (sqrt (exp x)) (sqrt 1.0)) (* (cbrt x) (cbrt x)))
  (/ (- (sqrt (exp x)) (sqrt 1.0)) (cbrt x))
  (/ (+ (sqrt (exp x)) (sqrt 1.0)) (sqrt x))
  (/ (- (sqrt (exp x)) (sqrt 1.0)) (sqrt x))
  (/ (+ (sqrt (exp x)) (sqrt 1.0)) 1)
  (/ (- (sqrt (exp x)) (sqrt 1.0)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (- (exp x) 1.0) (cbrt x))
  (/ 1 (sqrt x))
  (/ (- (exp x) 1.0) (sqrt x))
  (/ 1 1)
  (/ (- (exp x) 1.0) x)
  (/ 1 x)
  (/ x (- (exp x) 1.0))
  (/ (- (exp x) 1.0) (* (cbrt x) (cbrt x)))
  (/ (- (exp x) 1.0) (sqrt x))
  (/ (- (exp x) 1.0) 1)
  (/ x (cbrt (- (exp x) 1.0)))
  (/ x (sqrt (- (exp x) 1.0)))
  (/ x (- (exp x) 1.0))
  (/ x (- (sqrt (exp x)) (sqrt 1.0)))
  (/ x (- (exp x) 1.0))
  (* x (+ (* (exp x) (exp x)) (+ (* 1.0 1.0) (* (exp x) 1.0))))
  (* x (+ (exp x) 1.0))
  (+ x (+ (* 1/2 (pow x 2)) (* 1/6 (pow x 3))))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
  (+ (* 1/2 x) (+ (* 1/6 (pow x 2)) 1))
  (/ (- (exp x) 1.0) x)
  (* -1 (/ (- 1.0 (exp x)) x))
0.070 * * [simplify]: iteration  0 :  99  enodes  (cost  596 )
0.084 * * [simplify]: iteration  1 :  221  enodes  (cost  572 )
0.132 * * [simplify]: iteration  2 :  501  enodes  (cost  542 )
0.349 * * [simplify]: iteration  3 :  1236  enodes  (cost  537 )
1.849 * * [simplify]: iteration  4 :  4076  enodes  (cost  536 )
2.697 * * [simplify]: iteration  done :  5000  enodes  (cost  536 )
2.698 * [simplify]: Simplified to:
   (exp (- (exp x) 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))
  (pow (- (exp x) 1.0) 3)
  (sqrt (- (exp x) 1.0))
  (sqrt (- (exp x) 1.0))
  (- (pow (exp x) 3) (pow 1.0 3))
  (+ (* 1.0 (+ (exp x) 1.0)) (exp (+ x x)))
  (neg 1.0)
  (- (exp (+ x 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)
  (neg 1.0)
  (log (/ (- (exp x) 1.0) x))
  (log (/ (- (exp x) 1.0) x))
  (exp (/ (- (exp x) 1.0) x))
  (pow (/ (- (exp x) 1.0) x) 3)
  (* (cbrt (/ (- (exp x) 1.0) x)) (cbrt (/ (- (exp x) 1.0) x)))
  (cbrt (/ (- (exp x) 1.0) x))
  (pow (/ (- (exp x) 1.0) x) 3)
  (sqrt (/ (- (exp x) 1.0) x))
  (sqrt (/ (- (exp x) 1.0) x))
  (- 1.0 (exp x))
  (neg x)
  (/ (exp x) x)
  (/ 1.0 x)
  (/ (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))) (* (cbrt x) (cbrt x)))
  (/ (cbrt (- (exp x) 1.0)) (cbrt x))
  (/ (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))) (sqrt x))
  (/ (cbrt (- (exp x) 1.0)) (sqrt x))
  (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0)))
  (/ (cbrt (- (exp x) 1.0)) x)
  (/ (sqrt (- (exp x) 1.0)) (* (cbrt x) (cbrt x)))
  (/ (sqrt (- (exp x) 1.0)) (cbrt x))
  (/ (sqrt (- (exp x) 1.0)) (sqrt x))
  (/ (sqrt (- (exp x) 1.0)) (sqrt x))
  (sqrt (- (exp x) 1.0))
  (/ (sqrt (- (exp x) 1.0)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (- (exp x) 1.0) (cbrt x))
  (/ 1 (sqrt x))
  (/ (- (exp x) 1.0) (sqrt x))
  1
  (/ (- (exp x) 1.0) x)
  (/ (+ (sqrt (exp x)) (sqrt 1.0)) (* (cbrt x) (cbrt x)))
  (/ (- (sqrt (exp x)) (sqrt 1.0)) (cbrt x))
  (/ (+ (sqrt (exp x)) (sqrt 1.0)) (sqrt x))
  (/ (- (sqrt (exp x)) (sqrt 1.0)) (sqrt x))
  (+ (sqrt (exp x)) (sqrt 1.0))
  (/ (- (sqrt (exp x)) (sqrt 1.0)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (- (exp x) 1.0) (cbrt x))
  (/ 1 (sqrt x))
  (/ (- (exp x) 1.0) (sqrt x))
  1
  (/ (- (exp x) 1.0) x)
  (/ 1 x)
  (/ x (- (exp x) 1.0))
  (/ (- (exp x) 1.0) (* (cbrt x) (cbrt x)))
  (/ (- (exp x) 1.0) (sqrt x))
  (- (exp x) 1.0)
  (/ x (cbrt (- (exp x) 1.0)))
  (/ x (sqrt (- (exp x) 1.0)))
  (/ x (- (exp x) 1.0))
  (/ x (- (sqrt (exp x)) (sqrt 1.0)))
  (/ x (- (exp x) 1.0))
  (* (+ (* 1.0 (+ (exp x) 1.0)) (exp (+ x x))) x)
  (* x (+ (exp x) 1.0))
  (+ (* (* x x) (+ (* x 1/6) 1/2)) x)
  (- (exp x) 1.0)
  (- (exp x) 1.0)
  (+ 1 (* x (+ (* x 1/6) 1/2)))
  (/ (- (exp x) 1.0) x)
  (/ (- (exp x) 1.0) x)
2.698 * * * [progress]: adding candidates to table
2.775 * * [progress]: iteration 2 / 4
2.775 * * * [progress]: picking best candidate
2.781 * * * * [pick]: Picked  #<alt (λ (x) (+ 1 (* x (+ (* x 1/6) 1/2))))>
2.781 * * * [progress]: localizing error
2.787 * * * [progress]: generating rewritten candidates
2.787 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2 2 1)
2.792 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
2.799 * * * [progress]: generating series expansions
2.799 * * * * [progress]: [ 1 / 2 ] generating series at (2 2 2 1)
2.799 * [approximate]: Taking taylor expansion of (* 1/6 x) in (x) around 0
2.799 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
2.799 * [taylor]: Taking taylor expansion of 1/6 in x
2.799 * [taylor]: Taking taylor expansion of x in x
2.799 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
2.799 * [taylor]: Taking taylor expansion of 1/6 in x
2.799 * [taylor]: Taking taylor expansion of x in x
2.800 * [approximate]: Taking taylor expansion of (/ 1/6 x) in (x) around 0
2.800 * [taylor]: Taking taylor expansion of (/ 1/6 x) in x
2.800 * [taylor]: Taking taylor expansion of 1/6 in x
2.800 * [taylor]: Taking taylor expansion of x in x
2.800 * [taylor]: Taking taylor expansion of (/ 1/6 x) in x
2.800 * [taylor]: Taking taylor expansion of 1/6 in x
2.800 * [taylor]: Taking taylor expansion of x in x
2.800 * [approximate]: Taking taylor expansion of (/ -1/6 x) in (x) around 0
2.800 * [taylor]: Taking taylor expansion of (/ -1/6 x) in x
2.800 * [taylor]: Taking taylor expansion of -1/6 in x
2.801 * [taylor]: Taking taylor expansion of x in x
2.801 * [taylor]: Taking taylor expansion of (/ -1/6 x) in x
2.801 * [taylor]: Taking taylor expansion of -1/6 in x
2.801 * [taylor]: Taking taylor expansion of x in x
2.801 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
2.801 * [approximate]: Taking taylor expansion of (* x (+ (* 1/6 x) 1/2)) in (x) around 0
2.801 * [taylor]: Taking taylor expansion of (* x (+ (* 1/6 x) 1/2)) in x
2.801 * [taylor]: Taking taylor expansion of x in x
2.801 * [taylor]: Taking taylor expansion of (+ (* 1/6 x) 1/2) in x
2.801 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
2.801 * [taylor]: Taking taylor expansion of 1/6 in x
2.801 * [taylor]: Taking taylor expansion of x in x
2.801 * [taylor]: Taking taylor expansion of 1/2 in x
2.801 * [taylor]: Taking taylor expansion of (* x (+ (* 1/6 x) 1/2)) in x
2.801 * [taylor]: Taking taylor expansion of x in x
2.801 * [taylor]: Taking taylor expansion of (+ (* 1/6 x) 1/2) in x
2.801 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
2.801 * [taylor]: Taking taylor expansion of 1/6 in x
2.801 * [taylor]: Taking taylor expansion of x in x
2.801 * [taylor]: Taking taylor expansion of 1/2 in x
2.803 * [approximate]: Taking taylor expansion of (/ (+ (* 1/6 (/ 1 x)) 1/2) x) in (x) around 0
2.803 * [taylor]: Taking taylor expansion of (/ (+ (* 1/6 (/ 1 x)) 1/2) x) in x
2.803 * [taylor]: Taking taylor expansion of (+ (* 1/6 (/ 1 x)) 1/2) in x
2.803 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
2.803 * [taylor]: Taking taylor expansion of 1/6 in x
2.803 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.803 * [taylor]: Taking taylor expansion of x in x
2.803 * [taylor]: Taking taylor expansion of 1/2 in x
2.803 * [taylor]: Taking taylor expansion of x in x
2.803 * [taylor]: Taking taylor expansion of (/ (+ (* 1/6 (/ 1 x)) 1/2) x) in x
2.803 * [taylor]: Taking taylor expansion of (+ (* 1/6 (/ 1 x)) 1/2) in x
2.803 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
2.803 * [taylor]: Taking taylor expansion of 1/6 in x
2.803 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.803 * [taylor]: Taking taylor expansion of x in x
2.803 * [taylor]: Taking taylor expansion of 1/2 in x
2.803 * [taylor]: Taking taylor expansion of x in x
2.805 * [approximate]: Taking taylor expansion of (* -1 (/ (- 1/2 (* 1/6 (/ 1 x))) x)) in (x) around 0
2.805 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1/2 (* 1/6 (/ 1 x))) x)) in x
2.805 * [taylor]: Taking taylor expansion of -1 in x
2.805 * [taylor]: Taking taylor expansion of (/ (- 1/2 (* 1/6 (/ 1 x))) x) in x
2.805 * [taylor]: Taking taylor expansion of (- 1/2 (* 1/6 (/ 1 x))) in x
2.805 * [taylor]: Taking taylor expansion of 1/2 in x
2.805 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
2.805 * [taylor]: Taking taylor expansion of 1/6 in x
2.805 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.805 * [taylor]: Taking taylor expansion of x in x
2.805 * [taylor]: Taking taylor expansion of x in x
2.805 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1/2 (* 1/6 (/ 1 x))) x)) in x
2.805 * [taylor]: Taking taylor expansion of -1 in x
2.805 * [taylor]: Taking taylor expansion of (/ (- 1/2 (* 1/6 (/ 1 x))) x) in x
2.805 * [taylor]: Taking taylor expansion of (- 1/2 (* 1/6 (/ 1 x))) in x
2.805 * [taylor]: Taking taylor expansion of 1/2 in x
2.805 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
2.805 * [taylor]: Taking taylor expansion of 1/6 in x
2.805 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.805 * [taylor]: Taking taylor expansion of x in x
2.805 * [taylor]: Taking taylor expansion of x in x
2.807 * * * [progress]: simplifying candidates
2.808 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x 1/6)
  (+ (log x) (log 1/6))
  (log (* x 1/6))
  (exp (* x 1/6))
  (* (* (* x x) x) (* (* 1/6 1/6) 1/6))
  (* (cbrt (* x 1/6)) (cbrt (* x 1/6)))
  (cbrt (* x 1/6))
  (* (* (* x 1/6) (* x 1/6)) (* x 1/6))
  (sqrt (* x 1/6))
  (sqrt (* x 1/6))
  (* (sqrt x) (sqrt 1/6))
  (* (sqrt x) (sqrt 1/6))
  (* x (* (cbrt 1/6) (cbrt 1/6)))
  (* x (sqrt 1/6))
  (* x 1)
  (* (cbrt x) 1/6)
  (* (sqrt x) 1/6)
  (* x 1/6)
  (* x (+ (* x 1/6) 1/2))
  (+ (log x) (log (+ (* x 1/6) 1/2)))
  (log (* x (+ (* x 1/6) 1/2)))
  (exp (* x (+ (* x 1/6) 1/2)))
  (* (* (* x x) x) (* (* (+ (* x 1/6) 1/2) (+ (* x 1/6) 1/2)) (+ (* x 1/6) 1/2)))
  (* (cbrt (* x (+ (* x 1/6) 1/2))) (cbrt (* x (+ (* x 1/6) 1/2))))
  (cbrt (* x (+ (* x 1/6) 1/2)))
  (* (* (* x (+ (* x 1/6) 1/2)) (* x (+ (* x 1/6) 1/2))) (* x (+ (* x 1/6) 1/2)))
  (sqrt (* x (+ (* x 1/6) 1/2)))
  (sqrt (* x (+ (* x 1/6) 1/2)))
  (* (sqrt x) (sqrt (+ (* x 1/6) 1/2)))
  (* (sqrt x) (sqrt (+ (* x 1/6) 1/2)))
  (* x (* x 1/6))
  (* x 1/2)
  (* (* x 1/6) x)
  (* 1/2 x)
  (* x (* (cbrt (+ (* x 1/6) 1/2)) (cbrt (+ (* x 1/6) 1/2))))
  (* x (sqrt (+ (* x 1/6) 1/2)))
  (* x 1)
  (* (cbrt x) (+ (* x 1/6) 1/2))
  (* (sqrt x) (+ (* x 1/6) 1/2))
  (* x (+ (* x 1/6) 1/2))
  (* x (+ (pow (* x 1/6) 3) (pow 1/2 3)))
  (* x (- (* (* x 1/6) (* x 1/6)) (* 1/2 1/2)))
  (* 1/6 x)
  (* 1/6 x)
  (* 1/6 x)
  (+ (* 1/2 x) (* 1/6 (pow x 2)))
  (+ (* 1/2 x) (* 1/6 (pow x 2)))
  (+ (* 1/2 x) (* 1/6 (pow x 2)))
2.810 * * [simplify]: iteration  0 :  70  enodes  (cost  356 )
2.824 * * [simplify]: iteration  1 :  182  enodes  (cost  328 )
2.864 * * [simplify]: iteration  2 :  462  enodes  (cost  298 )
3.102 * * [simplify]: iteration  3 :  1374  enodes  (cost  298 )
4.998 * * [simplify]: iteration  done :  5000  enodes  (cost  298 )
4.998 * [simplify]: Simplified to:
   (* 1/6 x)
  (log (* x 1/6))
  (log (* x 1/6))
  (exp (* x 1/6))
  (* (pow x 3) 1/216)
  (* (cbrt (* x 1/6)) (cbrt (* x 1/6)))
  (cbrt (* x 1/6))
  (* (pow x 3) 1/216)
  (sqrt (* x 1/6))
  (sqrt (* x 1/6))
  (* (sqrt x) (sqrt 1/6))
  (* (sqrt x) (sqrt 1/6))
  (* x (* (cbrt 1/6) (cbrt 1/6)))
  (* x (sqrt 1/6))
  x
  (* (cbrt x) 1/6)
  (* (sqrt x) 1/6)
  (* 1/6 x)
  (* x (+ (* x 1/6) 1/2))
  (log (* x (+ (* x 1/6) 1/2)))
  (log (* x (+ (* x 1/6) 1/2)))
  (exp (* x (+ (* x 1/6) 1/2)))
  (pow (* x (+ (* x 1/6) 1/2)) 3)
  (* (cbrt (* x (+ (* x 1/6) 1/2))) (cbrt (* x (+ (* x 1/6) 1/2))))
  (cbrt (* x (+ (* x 1/6) 1/2)))
  (pow (* x (+ (* x 1/6) 1/2)) 3)
  (sqrt (* x (+ (* x 1/6) 1/2)))
  (sqrt (* x (+ (* x 1/6) 1/2)))
  (* (sqrt x) (sqrt (+ (* x 1/6) 1/2)))
  (* (sqrt x) (sqrt (+ (* x 1/6) 1/2)))
  (* (* x x) 1/6)
  (* x 1/2)
  (* (* x x) 1/6)
  (* x 1/2)
  (* x (* (cbrt (+ (* x 1/6) 1/2)) (cbrt (+ (* x 1/6) 1/2))))
  (* x (sqrt (+ (* x 1/6) 1/2)))
  x
  (* (cbrt x) (+ (* x 1/6) 1/2))
  (* (sqrt x) (+ (* x 1/6) 1/2))
  (* x (+ (* x 1/6) 1/2))
  (* (+ (pow (* 1/6 x) 3) 1/8) x)
  (* x (- (* (pow x 2) 1/36) 1/4))
  (* 1/6 x)
  (* 1/6 x)
  (* 1/6 x)
  (* x (+ (* x 1/6) 1/2))
  (* x (+ (* x 1/6) 1/2))
  (* x (+ (* x 1/6) 1/2))
4.998 * * * [progress]: adding candidates to table
5.047 * * [progress]: iteration 3 / 4
5.047 * * * [progress]: picking best candidate
5.052 * * * * [pick]: Picked  #<alt (λ (x) (- (/ (exp x) x) (/ 1.0 x)))>
5.052 * * * [progress]: localizing error
5.057 * * * [progress]: generating rewritten candidates
5.057 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
5.071 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
5.077 * * * [progress]: generating series expansions
5.077 * * * * [progress]: [ 1 / 2 ] generating series at (2)
5.077 * [approximate]: Taking taylor expansion of (- (/ (exp x) x) (* 1.0 (/ 1 x))) in (x) around 0
5.077 * [taylor]: Taking taylor expansion of (- (/ (exp x) x) (* 1.0 (/ 1 x))) in x
5.077 * [taylor]: Taking taylor expansion of (/ (exp x) x) in x
5.077 * [taylor]: Taking taylor expansion of (exp x) in x
5.077 * [taylor]: Taking taylor expansion of x in x
5.077 * [taylor]: Taking taylor expansion of x in x
5.077 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
5.077 * [taylor]: Taking taylor expansion of 1.0 in x
5.077 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.077 * [taylor]: Taking taylor expansion of x in x
5.077 * [taylor]: Taking taylor expansion of (- (/ (exp x) x) (* 1.0 (/ 1 x))) in x
5.077 * [taylor]: Taking taylor expansion of (/ (exp x) x) in x
5.077 * [taylor]: Taking taylor expansion of (exp x) in x
5.077 * [taylor]: Taking taylor expansion of x in x
5.077 * [taylor]: Taking taylor expansion of x in x
5.077 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
5.077 * [taylor]: Taking taylor expansion of 1.0 in x
5.077 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.077 * [taylor]: Taking taylor expansion of x in x
5.079 * [approximate]: Taking taylor expansion of (- (* x (exp (/ 1 x))) (* 1.0 x)) in (x) around 0
5.079 * [taylor]: Taking taylor expansion of (- (* x (exp (/ 1 x))) (* 1.0 x)) in x
5.079 * [taylor]: Taking taylor expansion of (* x (exp (/ 1 x))) in x
5.079 * [taylor]: Taking taylor expansion of x in x
5.079 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
5.079 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.079 * [taylor]: Taking taylor expansion of x in x
5.079 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
5.079 * [taylor]: Taking taylor expansion of 1.0 in x
5.079 * [taylor]: Taking taylor expansion of x in x
5.079 * [taylor]: Taking taylor expansion of (- (* x (exp (/ 1 x))) (* 1.0 x)) in x
5.079 * [taylor]: Taking taylor expansion of (* x (exp (/ 1 x))) in x
5.079 * [taylor]: Taking taylor expansion of x in x
5.079 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
5.079 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.079 * [taylor]: Taking taylor expansion of x in x
5.079 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
5.079 * [taylor]: Taking taylor expansion of 1.0 in x
5.079 * [taylor]: Taking taylor expansion of x in x
5.080 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* x (exp (/ -1 x)))) in (x) around 0
5.080 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* x (exp (/ -1 x)))) in x
5.080 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
5.080 * [taylor]: Taking taylor expansion of 1.0 in x
5.080 * [taylor]: Taking taylor expansion of x in x
5.080 * [taylor]: Taking taylor expansion of (* x (exp (/ -1 x))) in x
5.080 * [taylor]: Taking taylor expansion of x in x
5.080 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
5.080 * [taylor]: Taking taylor expansion of (/ -1 x) in x
5.080 * [taylor]: Taking taylor expansion of -1 in x
5.080 * [taylor]: Taking taylor expansion of x in x
5.080 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* x (exp (/ -1 x)))) in x
5.081 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
5.081 * [taylor]: Taking taylor expansion of 1.0 in x
5.081 * [taylor]: Taking taylor expansion of x in x
5.081 * [taylor]: Taking taylor expansion of (* x (exp (/ -1 x))) in x
5.081 * [taylor]: Taking taylor expansion of x in x
5.081 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
5.081 * [taylor]: Taking taylor expansion of (/ -1 x) in x
5.081 * [taylor]: Taking taylor expansion of -1 in x
5.081 * [taylor]: Taking taylor expansion of x in x
5.082 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
5.082 * [approximate]: Taking taylor expansion of (/ (exp x) x) in (x) around 0
5.082 * [taylor]: Taking taylor expansion of (/ (exp x) x) in x
5.082 * [taylor]: Taking taylor expansion of (exp x) in x
5.082 * [taylor]: Taking taylor expansion of x in x
5.082 * [taylor]: Taking taylor expansion of x in x
5.082 * [taylor]: Taking taylor expansion of (/ (exp x) x) in x
5.082 * [taylor]: Taking taylor expansion of (exp x) in x
5.082 * [taylor]: Taking taylor expansion of x in x
5.082 * [taylor]: Taking taylor expansion of x in x
5.083 * [approximate]: Taking taylor expansion of (* x (exp (/ 1 x))) in (x) around 0
5.083 * [taylor]: Taking taylor expansion of (* x (exp (/ 1 x))) in x
5.083 * [taylor]: Taking taylor expansion of x in x
5.083 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
5.083 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.083 * [taylor]: Taking taylor expansion of x in x
5.083 * [taylor]: Taking taylor expansion of (* x (exp (/ 1 x))) in x
5.083 * [taylor]: Taking taylor expansion of x in x
5.083 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
5.083 * [taylor]: Taking taylor expansion of (/ 1 x) in x
5.083 * [taylor]: Taking taylor expansion of x in x
5.084 * [approximate]: Taking taylor expansion of (* -1 (* x (exp (/ -1 x)))) in (x) around 0
5.084 * [taylor]: Taking taylor expansion of (* -1 (* x (exp (/ -1 x)))) in x
5.084 * [taylor]: Taking taylor expansion of -1 in x
5.084 * [taylor]: Taking taylor expansion of (* x (exp (/ -1 x))) in x
5.084 * [taylor]: Taking taylor expansion of x in x
5.084 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
5.084 * [taylor]: Taking taylor expansion of (/ -1 x) in x
5.084 * [taylor]: Taking taylor expansion of -1 in x
5.084 * [taylor]: Taking taylor expansion of x in x
5.084 * [taylor]: Taking taylor expansion of (* -1 (* x (exp (/ -1 x)))) in x
5.084 * [taylor]: Taking taylor expansion of -1 in x
5.084 * [taylor]: Taking taylor expansion of (* x (exp (/ -1 x))) in x
5.084 * [taylor]: Taking taylor expansion of x in x
5.084 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
5.084 * [taylor]: Taking taylor expansion of (/ -1 x) in x
5.084 * [taylor]: Taking taylor expansion of -1 in x
5.084 * [taylor]: Taking taylor expansion of x in x
5.086 * * * [progress]: simplifying candidates
5.089 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp (/ (exp x) x)) (exp (/ 1.0 x)))
  (log (- (/ (exp x) x) (/ 1.0 x)))
  (exp (- (/ (exp x) x) (/ 1.0 x)))
  (* (cbrt (- (/ (exp x) x) (/ 1.0 x))) (cbrt (- (/ (exp x) x) (/ 1.0 x))))
  (cbrt (- (/ (exp x) x) (/ 1.0 x)))
  (* (* (- (/ (exp x) x) (/ 1.0 x)) (- (/ (exp x) x) (/ 1.0 x))) (- (/ (exp x) x) (/ 1.0 x)))
  (sqrt (- (/ (exp x) x) (/ 1.0 x)))
  (sqrt (- (/ (exp x) x) (/ 1.0 x)))
  (- (exp x) 1.0)
  (- (* (exp x) x) (* x 1.0))
  (* x x)
  (- (pow (/ (exp x) x) 3) (pow (/ 1.0 x) 3))
  (+ (* (/ (exp x) x) (/ (exp x) x)) (+ (* (/ 1.0 x) (/ 1.0 x)) (* (/ (exp x) x) (/ 1.0 x))))
  (neg (/ 1.0 x))
  (- (* (/ (exp x) x) (/ (exp x) x)) (* (/ 1.0 x) (/ 1.0 x)))
  (+ (/ (exp x) x) (/ 1.0 x))
  (+ (sqrt (/ (exp x) x)) (sqrt (/ 1.0 x)))
  (- (sqrt (/ (exp x) x)) (sqrt (/ 1.0 x)))
  (+ (sqrt (/ (exp x) x)) (/ (sqrt 1.0) (sqrt x)))
  (- (sqrt (/ (exp x) x)) (/ (sqrt 1.0) (sqrt x)))
  (+ (/ (sqrt (exp x)) (sqrt x)) (sqrt (/ 1.0 x)))
  (- (/ (sqrt (exp x)) (sqrt x)) (sqrt (/ 1.0 x)))
  (+ (/ (sqrt (exp x)) (sqrt x)) (/ (sqrt 1.0) (sqrt x)))
  (- (/ (sqrt (exp x)) (sqrt x)) (/ (sqrt 1.0) (sqrt x)))
  (- (/ (exp x) (cbrt x)) (/ 1.0 (cbrt x)))
  (- (/ (exp x) (sqrt x)) (/ 1.0 (sqrt x)))
  (- (/ (exp x) x) (/ 1.0 x))
  (- (/ (exp x) x) (/ 1.0 x))
  (- (exp x) 1.0)
  (neg (/ 1.0 x))
  (- x (log x))
  (log (/ (exp x) x))
  (exp (/ (exp x) x))
  (/ (* (* (exp x) (exp x)) (exp x)) (* (* x x) x))
  (* (cbrt (/ (exp x) x)) (cbrt (/ (exp x) x)))
  (cbrt (/ (exp x) x))
  (* (* (/ (exp x) x) (/ (exp x) x)) (/ (exp x) x))
  (sqrt (/ (exp x) x))
  (sqrt (/ (exp x) x))
  (neg (exp x))
  (neg x)
  (/ (* (cbrt (exp x)) (cbrt (exp x))) (* (cbrt x) (cbrt x)))
  (/ (cbrt (exp x)) (cbrt x))
  (/ (* (cbrt (exp x)) (cbrt (exp x))) (sqrt x))
  (/ (cbrt (exp x)) (sqrt x))
  (/ (* (cbrt (exp x)) (cbrt (exp x))) 1)
  (/ (cbrt (exp x)) x)
  (/ (sqrt (exp x)) (* (cbrt x) (cbrt x)))
  (/ (sqrt (exp x)) (cbrt x))
  (/ (sqrt (exp x)) (sqrt x))
  (/ (sqrt (exp x)) (sqrt x))
  (/ (sqrt (exp x)) 1)
  (/ (sqrt (exp x)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (exp x) (cbrt x))
  (/ 1 (sqrt x))
  (/ (exp x) (sqrt x))
  (/ 1 1)
  (/ (exp x) x)
  (/ 1 x)
  (/ x (exp x))
  (/ (exp x) (* (cbrt x) (cbrt x)))
  (/ (exp x) (sqrt x))
  (/ (exp x) 1)
  (/ x (cbrt (exp x)))
  (/ x (sqrt (exp x)))
  (/ x (exp x))
  (+ (* 1/2 x) (+ (* 1/6 (pow x 2)) 1))
  (/ (- (exp x) 1.0) x)
  (* -1 (/ (- 1.0 (exp x)) x))
  (+ (* 1/2 x) (+ (/ 1 x) 1))
  (/ (exp x) x)
  (/ (exp x) x)
5.092 * * [simplify]: iteration  0 :  105  enodes  (cost  581 )
5.107 * * [simplify]: iteration  1 :  216  enodes  (cost  530 )
5.159 * * [simplify]: iteration  2 :  478  enodes  (cost  507 )
5.353 * * [simplify]: iteration  3 :  1185  enodes  (cost  505 )
6.801 * * [simplify]: iteration  4 :  3917  enodes  (cost  502 )
7.568 * * [simplify]: iteration  done :  5000  enodes  (cost  502 )
7.569 * [simplify]: Simplified to:
   (exp (/ (- (exp x) 1.0) x))
  (log (/ (- (exp x) 1.0) x))
  (exp (/ (- (exp x) 1.0) x))
  (* (cbrt (/ (- (exp x) 1.0) x)) (cbrt (/ (- (exp x) 1.0) x)))
  (cbrt (/ (- (exp x) 1.0) x))
  (pow (/ (- (exp x) 1.0) x) 3)
  (sqrt (/ (- (exp x) 1.0) x))
  (sqrt (/ (- (exp x) 1.0) x))
  (- (exp x) 1.0)
  (* x (- (exp x) 1.0))
  (* x x)
  (- (pow (/ (exp x) x) 3) (pow (/ 1.0 x) 3))
  (+ (* (/ 1.0 x) (/ 1.0 x)) (* (/ (exp x) (* x x)) (+ 1.0 (exp x))))
  (neg (/ 1.0 x))
  (* (+ (/ (exp x) x) (/ 1.0 x)) (/ (- (exp x) 1.0) x))
  (+ (/ 1.0 x) (/ (exp x) x))
  (+ (sqrt (/ (exp x) x)) (sqrt (/ 1.0 x)))
  (- (sqrt (/ (exp x) x)) (sqrt (/ 1.0 x)))
  (+ (sqrt (/ (exp x) x)) (/ (sqrt 1.0) (sqrt x)))
  (- (sqrt (/ (exp x) x)) (/ (sqrt 1.0) (sqrt x)))
  (+ (/ (sqrt (exp x)) (sqrt x)) (sqrt (/ 1.0 x)))
  (- (/ (sqrt (exp x)) (sqrt x)) (sqrt (/ 1.0 x)))
  (+ (/ (sqrt (exp x)) (sqrt x)) (/ (sqrt 1.0) (sqrt x)))
  (- (/ (sqrt (exp x)) (sqrt x)) (/ (sqrt 1.0) (sqrt x)))
  (- (/ (exp x) (cbrt x)) (/ 1.0 (cbrt x)))
  (- (/ (exp x) (sqrt x)) (/ 1.0 (sqrt x)))
  (/ (- (exp x) 1.0) x)
  (/ (- (exp x) 1.0) x)
  (- (exp x) 1.0)
  (neg (/ 1.0 x))
  (- x (log x))
  (- x (log x))
  (exp (/ (exp x) x))
  (pow (/ (exp x) x) 3)
  (* (cbrt (/ (exp x) x)) (cbrt (/ (exp x) x)))
  (cbrt (/ (exp x) x))
  (pow (/ (exp x) x) 3)
  (sqrt (/ (exp x) x))
  (sqrt (/ (exp x) x))
  (neg (exp x))
  (neg x)
  (/ (* (cbrt (exp x)) (cbrt (exp x))) (* (cbrt x) (cbrt x)))
  (/ (cbrt (exp x)) (cbrt x))
  (/ (* (cbrt (exp x)) (cbrt (exp x))) (sqrt x))
  (/ (cbrt (exp x)) (sqrt x))
  (* (cbrt (exp x)) (cbrt (exp x)))
  (/ (cbrt (exp x)) x)
  (/ (sqrt (exp x)) (* (cbrt x) (cbrt x)))
  (/ (sqrt (exp x)) (cbrt x))
  (/ (sqrt (exp x)) (sqrt x))
  (/ (sqrt (exp x)) (sqrt x))
  (sqrt (exp x))
  (/ (sqrt (exp x)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (exp x) (cbrt x))
  (/ 1 (sqrt x))
  (/ (exp x) (sqrt x))
  1
  (/ (exp x) x)
  (/ 1 x)
  (/ x (exp x))
  (/ (exp x) (* (cbrt x) (cbrt x)))
  (/ (exp x) (sqrt x))
  (exp x)
  (/ x (cbrt (exp x)))
  (/ x (sqrt (exp x)))
  (/ x (exp x))
  (+ 1 (* x (+ (* x 1/6) 1/2)))
  (/ (- (exp x) 1.0) x)
  (/ (- (exp x) 1.0) x)
  (+ (* 1/2 x) (+ (/ 1 x) 1))
  (/ (exp x) x)
  (/ (exp x) x)
7.569 * * * [progress]: adding candidates to table
7.621 * * [progress]: iteration 4 / 4
7.621 * * * [progress]: picking best candidate
7.630 * * * * [pick]: Picked  #<alt (λ (x) (- (* (exp x) (/ 1 x)) (/ 1.0 x)))>
7.630 * * * [progress]: localizing error
7.637 * * * [progress]: generating rewritten candidates
7.637 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
7.646 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
7.657 * * * [progress]: generating series expansions
7.657 * * * * [progress]: [ 1 / 2 ] generating series at (2)
7.657 * [approximate]: Taking taylor expansion of (- (/ (exp x) x) (* 1.0 (/ 1 x))) in (x) around 0
7.657 * [taylor]: Taking taylor expansion of (- (/ (exp x) x) (* 1.0 (/ 1 x))) in x
7.657 * [taylor]: Taking taylor expansion of (/ (exp x) x) in x
7.657 * [taylor]: Taking taylor expansion of (exp x) in x
7.657 * [taylor]: Taking taylor expansion of x in x
7.657 * [taylor]: Taking taylor expansion of x in x
7.657 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
7.657 * [taylor]: Taking taylor expansion of 1.0 in x
7.657 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.657 * [taylor]: Taking taylor expansion of x in x
7.657 * [taylor]: Taking taylor expansion of (- (/ (exp x) x) (* 1.0 (/ 1 x))) in x
7.657 * [taylor]: Taking taylor expansion of (/ (exp x) x) in x
7.657 * [taylor]: Taking taylor expansion of (exp x) in x
7.657 * [taylor]: Taking taylor expansion of x in x
7.657 * [taylor]: Taking taylor expansion of x in x
7.657 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
7.657 * [taylor]: Taking taylor expansion of 1.0 in x
7.657 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.657 * [taylor]: Taking taylor expansion of x in x
7.658 * [approximate]: Taking taylor expansion of (- (* x (exp (/ 1 x))) (* 1.0 x)) in (x) around 0
7.658 * [taylor]: Taking taylor expansion of (- (* x (exp (/ 1 x))) (* 1.0 x)) in x
7.658 * [taylor]: Taking taylor expansion of (* x (exp (/ 1 x))) in x
7.658 * [taylor]: Taking taylor expansion of x in x
7.658 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
7.658 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.658 * [taylor]: Taking taylor expansion of x in x
7.659 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
7.659 * [taylor]: Taking taylor expansion of 1.0 in x
7.659 * [taylor]: Taking taylor expansion of x in x
7.659 * [taylor]: Taking taylor expansion of (- (* x (exp (/ 1 x))) (* 1.0 x)) in x
7.659 * [taylor]: Taking taylor expansion of (* x (exp (/ 1 x))) in x
7.659 * [taylor]: Taking taylor expansion of x in x
7.659 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
7.659 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.659 * [taylor]: Taking taylor expansion of x in x
7.659 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
7.659 * [taylor]: Taking taylor expansion of 1.0 in x
7.659 * [taylor]: Taking taylor expansion of x in x
7.660 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* x (exp (/ -1 x)))) in (x) around 0
7.660 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* x (exp (/ -1 x)))) in x
7.660 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
7.660 * [taylor]: Taking taylor expansion of 1.0 in x
7.660 * [taylor]: Taking taylor expansion of x in x
7.660 * [taylor]: Taking taylor expansion of (* x (exp (/ -1 x))) in x
7.660 * [taylor]: Taking taylor expansion of x in x
7.660 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
7.660 * [taylor]: Taking taylor expansion of (/ -1 x) in x
7.660 * [taylor]: Taking taylor expansion of -1 in x
7.660 * [taylor]: Taking taylor expansion of x in x
7.660 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* x (exp (/ -1 x)))) in x
7.660 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
7.660 * [taylor]: Taking taylor expansion of 1.0 in x
7.660 * [taylor]: Taking taylor expansion of x in x
7.660 * [taylor]: Taking taylor expansion of (* x (exp (/ -1 x))) in x
7.660 * [taylor]: Taking taylor expansion of x in x
7.660 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
7.661 * [taylor]: Taking taylor expansion of (/ -1 x) in x
7.661 * [taylor]: Taking taylor expansion of -1 in x
7.661 * [taylor]: Taking taylor expansion of x in x
7.662 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
7.662 * [approximate]: Taking taylor expansion of (/ (exp x) x) in (x) around 0
7.662 * [taylor]: Taking taylor expansion of (/ (exp x) x) in x
7.662 * [taylor]: Taking taylor expansion of (exp x) in x
7.662 * [taylor]: Taking taylor expansion of x in x
7.662 * [taylor]: Taking taylor expansion of x in x
7.662 * [taylor]: Taking taylor expansion of (/ (exp x) x) in x
7.662 * [taylor]: Taking taylor expansion of (exp x) in x
7.662 * [taylor]: Taking taylor expansion of x in x
7.662 * [taylor]: Taking taylor expansion of x in x
7.663 * [approximate]: Taking taylor expansion of (* x (exp (/ 1 x))) in (x) around 0
7.663 * [taylor]: Taking taylor expansion of (* x (exp (/ 1 x))) in x
7.663 * [taylor]: Taking taylor expansion of x in x
7.663 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
7.663 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.663 * [taylor]: Taking taylor expansion of x in x
7.663 * [taylor]: Taking taylor expansion of (* x (exp (/ 1 x))) in x
7.663 * [taylor]: Taking taylor expansion of x in x
7.663 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
7.663 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.663 * [taylor]: Taking taylor expansion of x in x
7.664 * [approximate]: Taking taylor expansion of (* -1 (* x (exp (/ -1 x)))) in (x) around 0
7.664 * [taylor]: Taking taylor expansion of (* -1 (* x (exp (/ -1 x)))) in x
7.664 * [taylor]: Taking taylor expansion of -1 in x
7.664 * [taylor]: Taking taylor expansion of (* x (exp (/ -1 x))) in x
7.664 * [taylor]: Taking taylor expansion of x in x
7.664 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
7.664 * [taylor]: Taking taylor expansion of (/ -1 x) in x
7.664 * [taylor]: Taking taylor expansion of -1 in x
7.664 * [taylor]: Taking taylor expansion of x in x
7.664 * [taylor]: Taking taylor expansion of (* -1 (* x (exp (/ -1 x)))) in x
7.664 * [taylor]: Taking taylor expansion of -1 in x
7.664 * [taylor]: Taking taylor expansion of (* x (exp (/ -1 x))) in x
7.664 * [taylor]: Taking taylor expansion of x in x
7.664 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
7.664 * [taylor]: Taking taylor expansion of (/ -1 x) in x
7.664 * [taylor]: Taking taylor expansion of -1 in x
7.664 * [taylor]: Taking taylor expansion of x in x
7.665 * * * [progress]: simplifying candidates
7.666 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp (* (exp x) (/ 1 x))) (exp (/ 1.0 x)))
  (log (- (* (exp x) (/ 1 x)) (/ 1.0 x)))
  (exp (- (* (exp x) (/ 1 x)) (/ 1.0 x)))
  (* (cbrt (- (* (exp x) (/ 1 x)) (/ 1.0 x))) (cbrt (- (* (exp x) (/ 1 x)) (/ 1.0 x))))
  (cbrt (- (* (exp x) (/ 1 x)) (/ 1.0 x)))
  (* (* (- (* (exp x) (/ 1 x)) (/ 1.0 x)) (- (* (exp x) (/ 1 x)) (/ 1.0 x))) (- (* (exp x) (/ 1 x)) (/ 1.0 x)))
  (sqrt (- (* (exp x) (/ 1 x)) (/ 1.0 x)))
  (sqrt (- (* (exp x) (/ 1 x)) (/ 1.0 x)))
  (- (exp x) 1.0)
  (- (* (exp x) 1) 1.0)
  (- (* (exp x) x) (* x 1.0))
  (* x x)
  (- (* (* (exp x) 1) x) (* x 1.0))
  (* x x)
  (- (pow (* (exp x) (/ 1 x)) 3) (pow (/ 1.0 x) 3))
  (+ (* (* (exp x) (/ 1 x)) (* (exp x) (/ 1 x))) (+ (* (/ 1.0 x) (/ 1.0 x)) (* (* (exp x) (/ 1 x)) (/ 1.0 x))))
  (neg (/ 1.0 x))
  (- (* (* (exp x) (/ 1 x)) (* (exp x) (/ 1 x))) (* (/ 1.0 x) (/ 1.0 x)))
  (+ (* (exp x) (/ 1 x)) (/ 1.0 x))
  (- (exp x) 1.0)
  (neg (/ 1.0 x))
  (* (exp x) (/ 1 x))
  (+ x (neg (log x)))
  (+ x (- 0 (log x)))
  (+ x (- (log 1) (log x)))
  (+ x (log (/ 1 x)))
  (log (* (exp x) (/ 1 x)))
  (exp (* (exp x) (/ 1 x)))
  (* (* (* (exp x) (exp x)) (exp x)) (/ (* (* 1 1) 1) (* (* x x) x)))
  (* (* (* (exp x) (exp x)) (exp x)) (* (* (/ 1 x) (/ 1 x)) (/ 1 x)))
  (* (cbrt (* (exp x) (/ 1 x))) (cbrt (* (exp x) (/ 1 x))))
  (cbrt (* (exp x) (/ 1 x)))
  (* (* (* (exp x) (/ 1 x)) (* (exp x) (/ 1 x))) (* (exp x) (/ 1 x)))
  (sqrt (* (exp x) (/ 1 x)))
  (sqrt (* (exp x) (/ 1 x)))
  (* (sqrt (exp x)) (sqrt (/ 1 x)))
  (* (sqrt (exp x)) (sqrt (/ 1 x)))
  (* (sqrt (exp x)) (/ (sqrt 1) (sqrt x)))
  (* (sqrt (exp x)) (/ (sqrt 1) (sqrt x)))
  (* (sqrt (exp x)) (/ 1 (sqrt x)))
  (* (sqrt (exp x)) (/ 1 (sqrt x)))
  (* (exp x) (* (cbrt (/ 1 x)) (cbrt (/ 1 x))))
  (* (exp x) (sqrt (/ 1 x)))
  (* (exp x) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt x) (cbrt x))))
  (* (exp x) (/ (* (cbrt 1) (cbrt 1)) (sqrt x)))
  (* (exp x) (/ (* (cbrt 1) (cbrt 1)) 1))
  (* (exp x) (/ (sqrt 1) (* (cbrt x) (cbrt x))))
  (* (exp x) (/ (sqrt 1) (sqrt x)))
  (* (exp x) (/ (sqrt 1) 1))
  (* (exp x) (/ 1 (* (cbrt x) (cbrt x))))
  (* (exp x) (/ 1 (sqrt x)))
  (* (exp x) (/ 1 1))
  (* (exp x) 1)
  (* (exp x) 1)
  (* (cbrt (exp x)) (/ 1 x))
  (* (sqrt (exp x)) (/ 1 x))
  (* (exp x) (/ 1 x))
  (* (exp x) 1)
  (+ (* 1/2 x) (+ (* 1/6 (pow x 2)) 1))
  (/ (- (exp x) 1.0) x)
  (* -1 (/ (- 1.0 (exp x)) x))
  (+ (* 1/2 x) (+ (/ 1 x) 1))
  (/ (exp x) x)
  (/ (exp x) x)
7.669 * * [simplify]: iteration  0 :  117  enodes  (cost  612 )
7.700 * * [simplify]: iteration  1 :  289  enodes  (cost  449 )
7.820 * * [simplify]: iteration  2 :  685  enodes  (cost  397 )
8.415 * * [simplify]: iteration  3 :  1821  enodes  (cost  394 )
9.830 * * [simplify]: iteration  done :  5001  enodes  (cost  394 )
9.831 * [simplify]: Simplified to:
   (exp (/ (- (exp x) 1.0) x))
  (log (/ (- (exp x) 1.0) x))
  (exp (/ (- (exp x) 1.0) x))
  (* (cbrt (/ (- (exp x) 1.0) x)) (cbrt (/ (- (exp x) 1.0) x)))
  (cbrt (/ (- (exp x) 1.0) x))
  (pow (/ (- (exp x) 1.0) x) 3)
  (sqrt (/ (- (exp x) 1.0) x))
  (sqrt (/ (- (exp x) 1.0) x))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
  (* x (- (exp x) 1.0))
  (* x x)
  (* x (- (exp x) 1.0))
  (* x x)
  (- (pow (/ (exp x) x) 3) (pow (/ 1.0 x) 3))
  (+ (* (/ 1.0 x) (+ (/ 1.0 x) (/ (exp x) x))) (/ (/ (exp (+ x x)) x) x))
  (neg (/ 1.0 x))
  (* (+ (/ 1.0 x) (/ (exp x) x)) (/ (- (exp x) 1.0) x))
  (+ (/ 1.0 x) (/ (exp x) x))
  (- (exp x) 1.0)
  (neg (/ 1.0 x))
  (/ (exp x) x)
  (- x (log x))
  (- x (log x))
  (- x (log x))
  (- x (log x))
  (- x (log x))
  (exp (/ (exp x) x))
  (pow (/ (exp x) x) 3)
  (pow (/ (exp x) x) 3)
  (* (cbrt (/ (exp x) x)) (cbrt (/ (exp x) x)))
  (cbrt (/ (exp x) x))
  (pow (/ (exp x) x) 3)
  (sqrt (/ (exp x) x))
  (sqrt (/ (exp x) x))
  (* (sqrt (exp x)) (sqrt (/ 1 x)))
  (* (sqrt (exp x)) (sqrt (/ 1 x)))
  (/ (sqrt (exp x)) (sqrt x))
  (/ (sqrt (exp x)) (sqrt x))
  (/ (sqrt (exp x)) (sqrt x))
  (/ (sqrt (exp x)) (sqrt x))
  (* (exp x) (* (cbrt (/ 1 x)) (cbrt (/ 1 x))))
  (* (exp x) (sqrt (/ 1 x)))
  (/ (exp x) (* (cbrt x) (cbrt x)))
  (/ (exp x) (sqrt x))
  (exp x)
  (/ (exp x) (* (cbrt x) (cbrt x)))
  (/ (exp x) (sqrt x))
  (exp x)
  (/ (exp x) (* (cbrt x) (cbrt x)))
  (/ (exp x) (sqrt x))
  (exp x)
  (exp x)
  (exp x)
  (/ (cbrt (exp x)) x)
  (/ (sqrt (exp x)) x)
  (/ (exp x) x)
  (exp x)
  (+ (* x (+ 1/2 (* x 1/6))) 1)
  (/ (- (exp x) 1.0) x)
  (/ (- (exp x) 1.0) x)
  (+ (* 1/2 x) (+ (/ 1 x) 1))
  (/ (exp x) x)
  (/ (exp x) x)
9.831 * * * [progress]: adding candidates to table
9.880 * [progress]: [Phase 3 of 3] Extracting.
9.880 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ 1 (* x (+ (* x 1/6) 1/2))))> #<alt (λ (x) (- (* (exp x) (/ 1 x)) (/ 1.0 x)))> #<alt (λ (x) (/ (/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0)) x))> #<alt (λ (x) (/ (- (pow (/ (exp x) x) 3) (pow (/ 1.0 x) 3)) (+ (* (/ 1.0 x) (+ (/ 1.0 x) (/ (exp x) x))) (/ (/ (exp (+ x x)) x) x))))>)
9.881 * * * [regime-changes]: Trying 1 branch expressions: (x)
9.881 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ 1 (* x (+ (* x 1/6) 1/2))))> #<alt (λ (x) (- (* (exp x) (/ 1 x)) (/ 1.0 x)))> #<alt (λ (x) (/ (/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0)) x))> #<alt (λ (x) (/ (- (pow (/ (exp x) x) 3) (pow (/ 1.0 x) 3)) (+ (* (/ 1.0 x) (+ (/ 1.0 x) (/ (exp x) x))) (/ (/ (exp (+ x x)) x) x))))>)
9.918 * * * [regime]: Found split indices: #<option (#s(si 1 90) #s(si 0 255))>
9.919 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x) (+ 1 (* x (+ (* x 1/6) 1/2))))> #<alt (λ (x) (- (* (exp x) (/ 1 x)) (/ 1.0 x)))> #<alt (λ (x) (/ (/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0)) x))> #<alt (λ (x) (/ (- (pow (/ (exp x) x) 3) (pow (/ 1.0 x) 3)) (+ (* (/ 1.0 x) (+ (/ 1.0 x) (/ (exp x) x))) (/ (/ (exp (+ x x)) x) x))))>)
9.930 * [regimes]: Found splitpoints: (#s(sp 1 x -9.525718599919936e-05) #s(sp 0 x +nan.0)) , with alts (#<alt (λ (x) (+ 1 (* x (+ (* x 1/6) 1/2))))> #<alt (λ (x) (- (* (exp x) (/ 1 x)) (/ 1.0 x)))> #<alt (λ (x) (/ (/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0)) x))> #<alt (λ (x) (/ (- (pow (/ (exp x) x) 3) (pow (/ 1.0 x) 3)) (+ (* (/ 1.0 x) (+ (/ 1.0 x) (/ (exp x) x))) (/ (/ (exp (+ x x)) x) x))))>)
9.931 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (if (<= x -9.525718599919936e-05) (- (* (exp x) (/ 1 x)) (/ 1.0 x)) (+ 1 (* x (+ (* x 1/6) 1/2))))
9.931 * * [simplify]: iteration  0 :  17  enodes  (cost  23 )
9.932 * * [simplify]: iteration  1 :  24  enodes  (cost  23 )
9.932 * * [simplify]: iteration  done :  24  enodes  (cost  23 )
9.932 * [simplify]: Simplified to:
   (if (<= x -9.525718599919936e-05) (- (* (exp x) (/ 1 x)) (/ 1.0 x)) (+ 1 (* x (+ (* x 1/6) 1/2))))
11.297 * [regime-testing]: End program error score: 0.3524073384979536
11.382 * [regime-testing]: Target error score: 40.304038004750595