0.439 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.032 * * * [progress]: [2/2] Setting up program.
0.034 * [progress]: [Phase 2 of 3] Improving.
0.034 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (exp x) 1.0) x)
0.036 * * [simplify]: iteration  0 :  10  enodes  (cost  3 )
0.037 * * [simplify]: iteration  1 :  13  enodes  (cost  3 )
0.039 * * [simplify]: iteration  2 :  15  enodes  (cost  3 )
0.040 * * [simplify]: iteration  3 :  15  enodes  (cost  3 )
0.040 * [simplify]: Simplified to:
   (/ (- (exp x) 1.0) x)
0.040 * * [progress]: iteration 1 / 4
0.040 * * * [progress]: picking best candidate
0.042 * * * * [pick]: Picked  #<alt (λ (x) (/ (- (exp x) 1.0) x))>
0.042 * * * [progress]: localizing error
0.046 * * * [progress]: generating rewritten candidates
0.046 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.050 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.058 * * * [progress]: generating series expansions
0.058 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.058 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0
0.058 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.058 * [taylor]: Taking taylor expansion of (exp x) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of 1.0 in x
0.058 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.058 * [taylor]: Taking taylor expansion of (exp x) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of 1.0 in x
0.064 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0
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 (- (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
0.068 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0
0.068 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.068 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.068 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.068 * [taylor]: Taking taylor expansion of -1 in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.069 * [taylor]: Taking taylor expansion of 1.0 in x
0.069 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.069 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.069 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.069 * [taylor]: Taking taylor expansion of -1 in x
0.069 * [taylor]: Taking taylor expansion of x in x
0.069 * [taylor]: Taking taylor expansion of 1.0 in x
0.072 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.073 * [approximate]: Taking taylor expansion of (/ (- (exp x) 1.0) x) in (x) around 0
0.073 * [taylor]: Taking taylor expansion of (/ (- (exp x) 1.0) x) in x
0.073 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.073 * [taylor]: Taking taylor expansion of (exp x) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of 1.0 in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of (/ (- (exp x) 1.0) x) in x
0.075 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.075 * [taylor]: Taking taylor expansion of (exp x) 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 x in x
0.081 * [approximate]: Taking taylor expansion of (* x (- (exp (/ 1 x)) 1.0)) in (x) around 0
0.081 * [taylor]: Taking taylor expansion of (* x (- (exp (/ 1 x)) 1.0)) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.081 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of 1.0 in x
0.082 * [taylor]: Taking taylor expansion of (* x (- (exp (/ 1 x)) 1.0)) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.082 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of 1.0 in x
0.093 * [approximate]: Taking taylor expansion of (* -1 (* x (- (exp (/ -1 x)) 1.0))) in (x) around 0
0.093 * [taylor]: Taking taylor expansion of (* -1 (* x (- (exp (/ -1 x)) 1.0))) in x
0.093 * [taylor]: Taking taylor expansion of -1 in x
0.093 * [taylor]: Taking taylor expansion of (* x (- (exp (/ -1 x)) 1.0)) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.093 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.093 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.093 * [taylor]: Taking taylor expansion of -1 in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of 1.0 in x
0.093 * [taylor]: Taking taylor expansion of (* -1 (* x (- (exp (/ -1 x)) 1.0))) in x
0.093 * [taylor]: Taking taylor expansion of -1 in x
0.093 * [taylor]: Taking taylor expansion of (* x (- (exp (/ -1 x)) 1.0)) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.093 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.093 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.094 * [taylor]: Taking taylor expansion of -1 in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.094 * [taylor]: Taking taylor expansion of 1.0 in x
0.115 * * * [progress]: simplifying candidates
0.116 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (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)
  (- (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))
  (- (- (exp x) 1.0))
  (- 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))
  (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
  (+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1))
  (/ (- (exp x) 1.0) x)
  (* -1 (/ (- 1.0 (exp x)) x))
0.120 * * [simplify]: iteration  0 :  222  enodes  (cost  329 )
0.123 * * [simplify]: iteration  1 :  625  enodes  (cost  311 )
0.135 * * [simplify]: iteration  2 :  2739  enodes  (cost  309 )
0.188 * * [simplify]: iteration  3 :  5001  enodes  (cost  309 )
0.190 * [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 (+ 1.0 (exp x))) (exp (+ x x)))
  (- 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)
  (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))
  (- 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 (+ 1.0 (exp x))) (exp (+ x x))) x)
  (* x (+ (exp x) 1.0))
  (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)
  (- (exp x) 1.0)
  (- (exp x) 1.0)
  (+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1))
  (/ (- (exp x) 1.0) x)
  (* -1 (/ (- 1.0 (exp x)) x))
0.190 * * * [progress]: adding candidates to table
0.289 * * [progress]: iteration 2 / 4
0.289 * * * [progress]: picking best candidate
0.293 * * * * [pick]: Picked  #<alt (λ (x) (+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1)))>
0.293 * * * [progress]: localizing error
0.300 * * * [progress]: generating rewritten candidates
0.301 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.307 * * * [progress]: generating series expansions
0.307 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.307 * [approximate]: Taking taylor expansion of (* 1/6 (pow x 2)) in (x) around 0
0.307 * [taylor]: Taking taylor expansion of (* 1/6 (pow x 2)) in x
0.307 * [taylor]: Taking taylor expansion of 1/6 in x
0.307 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.307 * [taylor]: Taking taylor expansion of x in x
0.307 * [taylor]: Taking taylor expansion of (* 1/6 (pow x 2)) in x
0.307 * [taylor]: Taking taylor expansion of 1/6 in x
0.307 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.307 * [taylor]: Taking taylor expansion of x in x
0.315 * [approximate]: Taking taylor expansion of (/ 1/6 (pow x 2)) in (x) around 0
0.315 * [taylor]: Taking taylor expansion of (/ 1/6 (pow x 2)) in x
0.315 * [taylor]: Taking taylor expansion of 1/6 in x
0.315 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.315 * [taylor]: Taking taylor expansion of x in x
0.316 * [taylor]: Taking taylor expansion of (/ 1/6 (pow x 2)) in x
0.316 * [taylor]: Taking taylor expansion of 1/6 in x
0.316 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.316 * [taylor]: Taking taylor expansion of x in x
0.323 * [approximate]: Taking taylor expansion of (/ 1/6 (pow x 2)) in (x) around 0
0.323 * [taylor]: Taking taylor expansion of (/ 1/6 (pow x 2)) in x
0.323 * [taylor]: Taking taylor expansion of 1/6 in x
0.323 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.323 * [taylor]: Taking taylor expansion of x in x
0.324 * [taylor]: Taking taylor expansion of (/ 1/6 (pow x 2)) in x
0.324 * [taylor]: Taking taylor expansion of 1/6 in x
0.324 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.324 * [taylor]: Taking taylor expansion of x in x
0.334 * * * [progress]: simplifying candidates
0.334 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (log 1/6) (* (log x) 2))
  (+ (log 1/6) (* (log x) 2))
  (+ (log 1/6) (log (pow x 2)))
  (log (* 1/6 (pow x 2)))
  (exp (* 1/6 (pow x 2)))
  (* (* (* 1/6 1/6) 1/6) (* (* (pow x 2) (pow x 2)) (pow x 2)))
  (* (cbrt (* 1/6 (pow x 2))) (cbrt (* 1/6 (pow x 2))))
  (cbrt (* 1/6 (pow x 2)))
  (* (* (* 1/6 (pow x 2)) (* 1/6 (pow x 2))) (* 1/6 (pow x 2)))
  (sqrt (* 1/6 (pow x 2)))
  (sqrt (* 1/6 (pow x 2)))
  (* (sqrt 1/6) (pow (sqrt x) 2))
  (* (sqrt 1/6) (pow (sqrt x) 2))
  (* (sqrt 1/6) x)
  (* (sqrt 1/6) x)
  (* (sqrt 1/6) (sqrt (pow x 2)))
  (* (sqrt 1/6) (sqrt (pow x 2)))
  (* (sqrt 1/6) (pow x (/ 2 2)))
  (* (sqrt 1/6) (pow x (/ 2 2)))
  (* 1/6 (pow (* (cbrt x) (cbrt x)) 2))
  (* 1/6 (pow (sqrt x) 2))
  (* 1/6 (pow 1 2))
  (* 1/6 x)
  (* 1/6 (* (cbrt (pow x 2)) (cbrt (pow x 2))))
  (* 1/6 (sqrt (pow x 2)))
  (* 1/6 1)
  (* 1/6 (pow x (/ 2 2)))
  (* (cbrt 1/6) (pow x 2))
  (* (sqrt 1/6) (pow x 2))
  (* 1/6 (pow x 2))
  (* 1/6 (pow x 2))
  (* 1/6 (pow x 2))
  (* 1/6 (pow x 2))
0.338 * * [simplify]: iteration  0 :  107  enodes  (cost  99 )
0.340 * * [simplify]: iteration  1 :  404  enodes  (cost  87 )
0.350 * * [simplify]: iteration  2 :  1867  enodes  (cost  87 )
0.407 * * [simplify]: iteration  3 :  5002  enodes  (cost  86 )
0.408 * [simplify]: Simplified to:
   (log (* 1/6 (pow x 2)))
  (log (* 1/6 (pow x 2)))
  (log (* 1/6 (pow x 2)))
  (log (* 1/6 (pow x 2)))
  (exp (* 1/6 (pow x 2)))
  (pow (* 1/6 (pow x 2)) 3)
  (* (cbrt (* 1/6 (pow x 2))) (cbrt (* 1/6 (pow x 2))))
  (cbrt (* 1/6 (pow x 2)))
  (pow (* 1/6 (pow x 2)) 3)
  (sqrt (* 1/6 (pow x 2)))
  (sqrt (* 1/6 (pow x 2)))
  (* x (sqrt 1/6))
  (* x (sqrt 1/6))
  (* x (sqrt 1/6))
  (* x (sqrt 1/6))
  (* (sqrt 1/6) (sqrt (pow x 2)))
  (* (sqrt 1/6) (sqrt (pow x 2)))
  (* x (sqrt 1/6))
  (* x (sqrt 1/6))
  (* (/ (pow (cbrt x) 4) 2) 1/3)
  (* x 1/6)
  1/6
  (* x 1/6)
  (* 1/6 (* (cbrt (pow x 2)) (cbrt (pow x 2))))
  (* 1/6 (fabs x))
  1/6
  (* x 1/6)
  (* (cbrt 1/6) (pow x 2))
  (* (sqrt 1/6) (pow x 2))
  (* 1/6 (pow x 2))
  (* 1/6 (pow x 2))
  (* 1/6 (pow x 2))
  (* 1/6 (pow x 2))
0.408 * * * [progress]: adding candidates to table
0.454 * * [progress]: iteration 3 / 4
0.454 * * * [progress]: picking best candidate
0.457 * * * * [pick]: Picked  #<alt (λ (x) (- (/ (exp x) x) (/ 1.0 x)))>
0.457 * * * [progress]: localizing error
0.462 * * * [progress]: generating rewritten candidates
0.463 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.475 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.481 * * * [progress]: generating series expansions
0.481 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.481 * [approximate]: Taking taylor expansion of (- (/ (exp x) x) (* 1.0 (/ 1 x))) in (x) around 0
0.481 * [taylor]: Taking taylor expansion of (- (/ (exp x) x) (* 1.0 (/ 1 x))) in x
0.481 * [taylor]: Taking taylor expansion of (/ (exp x) x) in x
0.481 * [taylor]: Taking taylor expansion of (exp x) in x
0.481 * [taylor]: Taking taylor expansion of x in x
0.482 * [taylor]: Taking taylor expansion of x in x
0.482 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.482 * [taylor]: Taking taylor expansion of 1.0 in x
0.482 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.482 * [taylor]: Taking taylor expansion of x in x
0.482 * [taylor]: Taking taylor expansion of (- (/ (exp x) x) (* 1.0 (/ 1 x))) in x
0.482 * [taylor]: Taking taylor expansion of (/ (exp x) x) in x
0.482 * [taylor]: Taking taylor expansion of (exp x) in x
0.482 * [taylor]: Taking taylor expansion of x in x
0.482 * [taylor]: Taking taylor expansion of x in x
0.483 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.483 * [taylor]: Taking taylor expansion of 1.0 in x
0.483 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.483 * [taylor]: Taking taylor expansion of x in x
0.493 * [approximate]: Taking taylor expansion of (- (* x (exp (/ 1 x))) (* 1.0 x)) in (x) around 0
0.493 * [taylor]: Taking taylor expansion of (- (* x (exp (/ 1 x))) (* 1.0 x)) in x
0.493 * [taylor]: Taking taylor expansion of (* x (exp (/ 1 x))) in x
0.493 * [taylor]: Taking taylor expansion of x in x
0.493 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.493 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.493 * [taylor]: Taking taylor expansion of x in x
0.493 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.493 * [taylor]: Taking taylor expansion of 1.0 in x
0.493 * [taylor]: Taking taylor expansion of x in x
0.493 * [taylor]: Taking taylor expansion of (- (* x (exp (/ 1 x))) (* 1.0 x)) in x
0.493 * [taylor]: Taking taylor expansion of (* x (exp (/ 1 x))) in x
0.493 * [taylor]: Taking taylor expansion of x in x
0.493 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.493 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.493 * [taylor]: Taking taylor expansion of x in x
0.494 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.494 * [taylor]: Taking taylor expansion of 1.0 in x
0.494 * [taylor]: Taking taylor expansion of x in x
0.510 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* x (exp (/ -1 x)))) in (x) around 0
0.510 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* x (exp (/ -1 x)))) in x
0.510 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.510 * [taylor]: Taking taylor expansion of 1.0 in x
0.510 * [taylor]: Taking taylor expansion of x in x
0.510 * [taylor]: Taking taylor expansion of (* x (exp (/ -1 x))) in x
0.510 * [taylor]: Taking taylor expansion of x in x
0.510 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.510 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.510 * [taylor]: Taking taylor expansion of -1 in x
0.510 * [taylor]: Taking taylor expansion of x in x
0.510 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* x (exp (/ -1 x)))) in x
0.510 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.510 * [taylor]: Taking taylor expansion of 1.0 in x
0.510 * [taylor]: Taking taylor expansion of x in x
0.510 * [taylor]: Taking taylor expansion of (* x (exp (/ -1 x))) in x
0.510 * [taylor]: Taking taylor expansion of x in x
0.510 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.510 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.510 * [taylor]: Taking taylor expansion of -1 in x
0.510 * [taylor]: Taking taylor expansion of x in x
0.529 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.529 * [approximate]: Taking taylor expansion of (/ (exp x) x) in (x) around 0
0.529 * [taylor]: Taking taylor expansion of (/ (exp x) x) in x
0.529 * [taylor]: Taking taylor expansion of (exp x) in x
0.530 * [taylor]: Taking taylor expansion of x in x
0.530 * [taylor]: Taking taylor expansion of x in x
0.530 * [taylor]: Taking taylor expansion of (/ (exp x) x) in x
0.530 * [taylor]: Taking taylor expansion of (exp x) in x
0.530 * [taylor]: Taking taylor expansion of x in x
0.530 * [taylor]: Taking taylor expansion of x in x
0.533 * [approximate]: Taking taylor expansion of (* x (exp (/ 1 x))) in (x) around 0
0.533 * [taylor]: Taking taylor expansion of (* x (exp (/ 1 x))) in x
0.533 * [taylor]: Taking taylor expansion of x in x
0.533 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.533 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.533 * [taylor]: Taking taylor expansion of x in x
0.533 * [taylor]: Taking taylor expansion of (* x (exp (/ 1 x))) in x
0.533 * [taylor]: Taking taylor expansion of x in x
0.533 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.533 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.533 * [taylor]: Taking taylor expansion of x in x
0.540 * [approximate]: Taking taylor expansion of (* -1 (* x (exp (/ -1 x)))) in (x) around 0
0.541 * [taylor]: Taking taylor expansion of (* -1 (* x (exp (/ -1 x)))) in x
0.541 * [taylor]: Taking taylor expansion of -1 in x
0.541 * [taylor]: Taking taylor expansion of (* x (exp (/ -1 x))) in x
0.541 * [taylor]: Taking taylor expansion of x in x
0.541 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.541 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.541 * [taylor]: Taking taylor expansion of -1 in x
0.541 * [taylor]: Taking taylor expansion of x in x
0.541 * [taylor]: Taking taylor expansion of (* -1 (* x (exp (/ -1 x)))) in x
0.541 * [taylor]: Taking taylor expansion of -1 in x
0.541 * [taylor]: Taking taylor expansion of (* x (exp (/ -1 x))) in x
0.541 * [taylor]: Taking taylor expansion of x in x
0.541 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.541 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.541 * [taylor]: Taking taylor expansion of -1 in x
0.541 * [taylor]: Taking taylor expansion of x in x
0.555 * * * [progress]: simplifying candidates
0.556 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (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))))
  (- (/ 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)
  (- (/ 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))
  (- (exp x))
  (- 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))
  (+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1))
  (/ (- (exp x) 1.0) x)
  (* -1 (/ (- 1.0 (exp x)) x))
  (+ 1 (+ (* 1/2 x) (/ 1 x)))
  (/ (exp x) x)
  (/ (exp x) x)
0.560 * * [simplify]: iteration  0 :  215  enodes  (cost  317 )
0.564 * * [simplify]: iteration  1 :  591  enodes  (cost  300 )
0.575 * * [simplify]: iteration  2 :  2325  enodes  (cost  299 )
0.620 * * [simplify]: iteration  3 :  5001  enodes  (cost  297 )
0.621 * [simplify]: Simplified to:
   (exp (/ (- (exp x) 1.0) x))
  (log (- (/ (exp x) x) (/ 1.0 x)))
  (exp (/ (- (exp 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)))
  (pow (/ (- (exp x) 1.0) x) 3)
  (sqrt (- (/ (exp x) x) (/ 1.0 x)))
  (sqrt (- (/ (exp x) x) (/ 1.0 x)))
  (- (exp x) 1.0)
  (* x (- (exp x) 1.0))
  (pow x 2)
  (- (pow (/ (exp x) x) 3) (pow (/ 1.0 x) 3))
  (+ (* (/ (exp x) x) (+ (/ (exp x) x) (/ 1.0 x))) (* (/ 1.0 x) (/ 1.0 x)))
  (- (/ 1.0 x))
  (* (+ (/ (exp x) x) (/ 1.0 x)) (/ (- (exp 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) 1.0) (pow x 1/2))
  (/ (- (exp x) 1.0) x)
  (/ (- (exp x) 1.0) x)
  (- (exp x) 1.0)
  (- (/ 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))
  (- (exp x))
  (- 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))
  (+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1))
  (/ (- (exp x) 1.0) x)
  (* -1 (/ (- 1.0 (exp x)) x))
  (+ 1 (+ (* 1/2 x) (/ 1 x)))
  (/ (exp x) x)
  (/ (exp x) x)
0.622 * * * [progress]: adding candidates to table
0.715 * * [progress]: iteration 4 / 4
0.715 * * * [progress]: picking best candidate
0.717 * * * * [pick]: Picked  #<alt (λ (x) (/ (log (exp (- (exp x) 1.0))) x))>
0.717 * * * [progress]: localizing error
0.724 * * * [progress]: generating rewritten candidates
0.724 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1 1 1)
0.729 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.734 * * * * [progress]: [ 3 / 3 ] rewriting at (2)
0.745 * * * [progress]: generating series expansions
0.745 * * * * [progress]: [ 1 / 3 ] generating series at (2 1 1 1)
0.745 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0
0.745 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.745 * [taylor]: Taking taylor expansion of (exp x) in x
0.745 * [taylor]: Taking taylor expansion of x in x
0.745 * [taylor]: Taking taylor expansion of 1.0 in x
0.745 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.745 * [taylor]: Taking taylor expansion of (exp x) in x
0.745 * [taylor]: Taking taylor expansion of x in x
0.745 * [taylor]: Taking taylor expansion of 1.0 in x
0.751 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0
0.751 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.751 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.751 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.751 * [taylor]: Taking taylor expansion of x in x
0.751 * [taylor]: Taking taylor expansion of 1.0 in x
0.751 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.751 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.751 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.751 * [taylor]: Taking taylor expansion of x in x
0.752 * [taylor]: Taking taylor expansion of 1.0 in x
0.755 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0
0.755 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.755 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.755 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.755 * [taylor]: Taking taylor expansion of -1 in x
0.755 * [taylor]: Taking taylor expansion of x in x
0.755 * [taylor]: Taking taylor expansion of 1.0 in x
0.755 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.755 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.755 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.755 * [taylor]: Taking taylor expansion of -1 in x
0.755 * [taylor]: Taking taylor expansion of x in x
0.756 * [taylor]: Taking taylor expansion of 1.0 in x
0.759 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
0.759 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0
0.759 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.759 * [taylor]: Taking taylor expansion of (exp x) in x
0.759 * [taylor]: Taking taylor expansion of x in x
0.759 * [taylor]: Taking taylor expansion of 1.0 in x
0.759 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.759 * [taylor]: Taking taylor expansion of (exp x) in x
0.759 * [taylor]: Taking taylor expansion of x in x
0.759 * [taylor]: Taking taylor expansion of 1.0 in x
0.764 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0
0.764 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.764 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.764 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.764 * [taylor]: Taking taylor expansion of x in x
0.765 * [taylor]: Taking taylor expansion of 1.0 in x
0.765 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.765 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.765 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.765 * [taylor]: Taking taylor expansion of x in x
0.765 * [taylor]: Taking taylor expansion of 1.0 in x
0.768 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0
0.768 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.768 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.768 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.768 * [taylor]: Taking taylor expansion of -1 in x
0.768 * [taylor]: Taking taylor expansion of x in x
0.769 * [taylor]: Taking taylor expansion of 1.0 in x
0.769 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.769 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.769 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.769 * [taylor]: Taking taylor expansion of -1 in x
0.769 * [taylor]: Taking taylor expansion of x in x
0.769 * [taylor]: Taking taylor expansion of 1.0 in x
0.773 * * * * [progress]: [ 3 / 3 ] generating series at (2)
0.773 * [approximate]: Taking taylor expansion of (/ (- (exp x) 1.0) x) in (x) around 0
0.773 * [taylor]: Taking taylor expansion of (/ (- (exp x) 1.0) x) in x
0.773 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.773 * [taylor]: Taking taylor expansion of (exp x) in x
0.773 * [taylor]: Taking taylor expansion of x in x
0.773 * [taylor]: Taking taylor expansion of 1.0 in x
0.773 * [taylor]: Taking taylor expansion of x in x
0.775 * [taylor]: Taking taylor expansion of (/ (- (exp x) 1.0) x) in x
0.775 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.775 * [taylor]: Taking taylor expansion of (exp x) in x
0.775 * [taylor]: Taking taylor expansion of x in x
0.775 * [taylor]: Taking taylor expansion of 1.0 in x
0.775 * [taylor]: Taking taylor expansion of x in x
0.781 * [approximate]: Taking taylor expansion of (* x (- (exp (/ 1 x)) 1.0)) in (x) around 0
0.781 * [taylor]: Taking taylor expansion of (* x (- (exp (/ 1 x)) 1.0)) in x
0.781 * [taylor]: Taking taylor expansion of x in x
0.782 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.782 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.782 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.782 * [taylor]: Taking taylor expansion of x in x
0.782 * [taylor]: Taking taylor expansion of 1.0 in x
0.782 * [taylor]: Taking taylor expansion of (* x (- (exp (/ 1 x)) 1.0)) in x
0.782 * [taylor]: Taking taylor expansion of x in x
0.782 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.782 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.782 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.782 * [taylor]: Taking taylor expansion of x in x
0.782 * [taylor]: Taking taylor expansion of 1.0 in x
0.796 * [approximate]: Taking taylor expansion of (* -1 (* x (- (exp (/ -1 x)) 1.0))) in (x) around 0
0.797 * [taylor]: Taking taylor expansion of (* -1 (* x (- (exp (/ -1 x)) 1.0))) in x
0.797 * [taylor]: Taking taylor expansion of -1 in x
0.797 * [taylor]: Taking taylor expansion of (* x (- (exp (/ -1 x)) 1.0)) in x
0.797 * [taylor]: Taking taylor expansion of x in x
0.797 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.797 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.797 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.797 * [taylor]: Taking taylor expansion of -1 in x
0.797 * [taylor]: Taking taylor expansion of x in x
0.797 * [taylor]: Taking taylor expansion of 1.0 in x
0.797 * [taylor]: Taking taylor expansion of (* -1 (* x (- (exp (/ -1 x)) 1.0))) in x
0.797 * [taylor]: Taking taylor expansion of -1 in x
0.797 * [taylor]: Taking taylor expansion of (* x (- (exp (/ -1 x)) 1.0)) in x
0.797 * [taylor]: Taking taylor expansion of x in x
0.797 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.797 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.797 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.797 * [taylor]: Taking taylor expansion of -1 in x
0.797 * [taylor]: Taking taylor expansion of x in x
0.798 * [taylor]: Taking taylor expansion of 1.0 in x
0.815 * * * [progress]: simplifying candidates
0.817 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (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)
  (log (exp (exp x)))
  (log (exp (- 1.0)))
  (log (exp (exp x)))
  (log (exp (- 1.0)))
  (log (* (cbrt (exp (- (exp x) 1.0))) (cbrt (exp (- (exp x) 1.0)))))
  (log (cbrt (exp (- (exp x) 1.0))))
  (log (sqrt (exp (- (exp x) 1.0))))
  (log (sqrt (exp (- (exp x) 1.0))))
  (log 1)
  (log (exp (- (exp x) 1.0)))
  (log (exp (exp x)))
  (log (exp 1.0))
  (log (exp (- (exp x) 1.0)))
  (log (exp (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0)))))
  (log (exp (sqrt (- (exp x) 1.0))))
  (log (exp 1))
  (log (exp (+ (sqrt (exp x)) (sqrt 1.0))))
  (log (exp 1))
  (log (log (exp (- (exp x) 1.0))))
  (exp (log (exp (- (exp x) 1.0))))
  (* (cbrt (log (exp (- (exp x) 1.0)))) (cbrt (log (exp (- (exp x) 1.0)))))
  (cbrt (log (exp (- (exp x) 1.0))))
  (* (* (log (exp (- (exp x) 1.0))) (log (exp (- (exp x) 1.0)))) (log (exp (- (exp x) 1.0))))
  (sqrt (log (exp (- (exp x) 1.0))))
  (sqrt (log (exp (- (exp x) 1.0))))
  (- (log (log (exp (- (exp x) 1.0)))) (log x))
  (log (/ (log (exp (- (exp x) 1.0))) x))
  (exp (/ (log (exp (- (exp x) 1.0))) x))
  (/ (* (* (log (exp (- (exp x) 1.0))) (log (exp (- (exp x) 1.0)))) (log (exp (- (exp x) 1.0)))) (* (* x x) x))
  (* (cbrt (/ (log (exp (- (exp x) 1.0))) x)) (cbrt (/ (log (exp (- (exp x) 1.0))) x)))
  (cbrt (/ (log (exp (- (exp x) 1.0))) x))
  (* (* (/ (log (exp (- (exp x) 1.0))) x) (/ (log (exp (- (exp x) 1.0))) x)) (/ (log (exp (- (exp x) 1.0))) x))
  (sqrt (/ (log (exp (- (exp x) 1.0))) x))
  (sqrt (/ (log (exp (- (exp x) 1.0))) x))
  (- (log (exp (- (exp x) 1.0))))
  (- x)
  (/ (log (exp (exp x))) x)
  (/ (log (exp 1.0)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (log (exp (- (exp x) 1.0))) (cbrt x))
  (/ 1 (sqrt x))
  (/ (log (exp (- (exp x) 1.0))) (sqrt x))
  (/ 1 1)
  (/ (log (exp (- (exp x) 1.0))) x)
  (/ (cbrt (- (exp x) 1.0)) (* (cbrt x) (cbrt x)))
  (/ (log (exp (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))))) (cbrt x))
  (/ (cbrt (- (exp x) 1.0)) (sqrt x))
  (/ (log (exp (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))))) (sqrt x))
  (/ (cbrt (- (exp x) 1.0)) 1)
  (/ (log (exp (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))))) x)
  (/ (sqrt (- (exp x) 1.0)) (* (cbrt x) (cbrt x)))
  (/ (log (exp (sqrt (- (exp x) 1.0)))) (cbrt x))
  (/ (sqrt (- (exp x) 1.0)) (sqrt x))
  (/ (log (exp (sqrt (- (exp x) 1.0)))) (sqrt x))
  (/ (sqrt (- (exp x) 1.0)) 1)
  (/ (log (exp (sqrt (- (exp x) 1.0)))) x)
  (/ (- (exp x) 1.0) (* (cbrt x) (cbrt x)))
  (/ (log (exp 1)) (cbrt x))
  (/ (- (exp x) 1.0) (sqrt x))
  (/ (log (exp 1)) (sqrt x))
  (/ (- (exp x) 1.0) 1)
  (/ (log (exp 1)) x)
  (/ (- (sqrt (exp x)) (sqrt 1.0)) (* (cbrt x) (cbrt x)))
  (/ (log (exp (+ (sqrt (exp x)) (sqrt 1.0)))) (cbrt x))
  (/ (- (sqrt (exp x)) (sqrt 1.0)) (sqrt x))
  (/ (log (exp (+ (sqrt (exp x)) (sqrt 1.0)))) (sqrt x))
  (/ (- (sqrt (exp x)) (sqrt 1.0)) 1)
  (/ (log (exp (+ (sqrt (exp x)) (sqrt 1.0)))) x)
  (/ (- (exp x) 1.0) (* (cbrt x) (cbrt x)))
  (/ (log (exp 1)) (cbrt x))
  (/ (- (exp x) 1.0) (sqrt x))
  (/ (log (exp 1)) (sqrt x))
  (/ (- (exp x) 1.0) 1)
  (/ (log (exp 1)) x)
  (/ (* (cbrt (log (exp (- (exp x) 1.0)))) (cbrt (log (exp (- (exp x) 1.0))))) (* (cbrt x) (cbrt x)))
  (/ (cbrt (log (exp (- (exp x) 1.0)))) (cbrt x))
  (/ (* (cbrt (log (exp (- (exp x) 1.0)))) (cbrt (log (exp (- (exp x) 1.0))))) (sqrt x))
  (/ (cbrt (log (exp (- (exp x) 1.0)))) (sqrt x))
  (/ (* (cbrt (log (exp (- (exp x) 1.0)))) (cbrt (log (exp (- (exp x) 1.0))))) 1)
  (/ (cbrt (log (exp (- (exp x) 1.0)))) x)
  (/ (sqrt (log (exp (- (exp x) 1.0)))) (* (cbrt x) (cbrt x)))
  (/ (sqrt (log (exp (- (exp x) 1.0)))) (cbrt x))
  (/ (sqrt (log (exp (- (exp x) 1.0)))) (sqrt x))
  (/ (sqrt (log (exp (- (exp x) 1.0)))) (sqrt x))
  (/ (sqrt (log (exp (- (exp x) 1.0)))) 1)
  (/ (sqrt (log (exp (- (exp x) 1.0)))) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (log (exp (- (exp x) 1.0))) (cbrt x))
  (/ 1 (sqrt x))
  (/ (log (exp (- (exp x) 1.0))) (sqrt x))
  (/ 1 1)
  (/ (log (exp (- (exp x) 1.0))) x)
  (/ 1 x)
  (/ x (log (exp (- (exp x) 1.0))))
  (/ (log (exp (- (exp x) 1.0))) (* (cbrt x) (cbrt x)))
  (/ (log (exp (- (exp x) 1.0))) (sqrt x))
  (/ (log (exp (- (exp x) 1.0))) 1)
  (/ x (log (exp (- (exp x) 1.0))))
  (/ x (log (exp (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))))))
  (/ x (log (exp (sqrt (- (exp x) 1.0)))))
  (/ x (log (exp 1)))
  (/ x (log (exp (+ (sqrt (exp x)) (sqrt 1.0)))))
  (/ x (log (exp 1)))
  (/ x (cbrt (log (exp (- (exp x) 1.0)))))
  (/ x (sqrt (log (exp (- (exp x) 1.0)))))
  (/ x (log (exp (- (exp x) 1.0))))
  (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
  (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
  (+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1))
  (/ (- (exp x) 1.0) x)
  (* -1 (/ (- 1.0 (exp x)) x))
0.822 * * [simplify]: iteration  0 :  269  enodes  (cost  594 )
0.826 * * [simplify]: iteration  1 :  788  enodes  (cost  525 )
0.839 * * [simplify]: iteration  2 :  3293  enodes  (cost  508 )
0.909 * * [simplify]: iteration  3 :  5001  enodes  (cost  505 )
0.911 * [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 (+ 1.0 (exp x))) (exp (+ x x)))
  (- 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)
  (exp x)
  (- 1.0)
  (exp x)
  (- 1.0)
  (* 2 (log (cbrt (exp (- (exp x) 1.0)))))
  (log (cbrt (exp (- (exp x) 1.0))))
  (log (exp (/ (- (exp x) 1.0) 2)))
  (log (exp (/ (- (exp x) 1.0) 2)))
  0
  (- (exp x) 1.0)
  (exp x)
  1.0
  (- (exp x) 1.0)
  (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0)))
  (sqrt (- (exp x) 1.0))
  1
  (+ (sqrt (exp x)) (sqrt 1.0))
  1
  (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))
  (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 (/ (log (exp (- (exp x) 1.0))) x)) (cbrt (/ (log (exp (- (exp x) 1.0))) x)))
  (cbrt (/ (log (exp (- (exp x) 1.0))) x))
  (pow (/ (- (exp x) 1.0) x) 3)
  (sqrt (/ (log (exp (- (exp x) 1.0))) x))
  (sqrt (/ (log (exp (- (exp x) 1.0))) x))
  (- 1.0 (exp x))
  (- x)
  (/ (exp x) 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)
  (/ (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 (cbrt (- (exp x) 1.0))))
  (/ (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)
  (/ (- (exp x) 1.0) (* (cbrt x) (cbrt x)))
  (/ 1 (cbrt x))
  (/ (- (exp x) 1.0) (sqrt x))
  (/ 1 (sqrt x))
  (- (exp x) 1.0)
  (/ 1 x)
  (/ (- (sqrt (exp x)) (sqrt 1.0)) (* (cbrt x) (cbrt x)))
  (/ (log (exp (+ (sqrt (exp x)) (sqrt 1.0)))) (cbrt x))
  (/ (- (sqrt (exp x)) (sqrt 1.0)) (sqrt x))
  (/ (+ (sqrt (exp x)) (sqrt 1.0)) (pow x 1/2))
  (- (sqrt (exp x)) (sqrt 1.0))
  (/ (+ (sqrt (exp x)) (sqrt 1.0)) x)
  (/ (- (exp x) 1.0) (* (cbrt x) (cbrt x)))
  (/ 1 (cbrt x))
  (/ (- (exp x) 1.0) (sqrt x))
  (/ 1 (sqrt x))
  (- (exp x) 1.0)
  (/ 1 x)
  (* (/ (cbrt (- (exp x) 1.0)) (cbrt x)) (/ (cbrt (- (exp x) 1.0)) (cbrt x)))
  (/ (cbrt (- (exp x) 1.0)) (cbrt x))
  (/ (cbrt (- (exp x) 1.0)) (/ (sqrt x) (cbrt (- (exp x) 1.0))))
  (/ (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)
  (/ 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 (- (exp x) 1.0))
  (/ (/ x (cbrt (- (exp x) 1.0))) (cbrt (- (exp x) 1.0)))
  (/ x (sqrt (- (exp x) 1.0)))
  x
  (/ x (+ (sqrt (exp x)) (sqrt 1.0)))
  x
  (/ x (cbrt (- (exp x) 1.0)))
  (/ x (sqrt (- (exp x) 1.0)))
  (/ x (- (exp x) 1.0))
  (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)
  (- (exp x) 1.0)
  (- (exp x) 1.0)
  (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)
  (- (exp x) 1.0)
  (- (exp x) 1.0)
  (+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1))
  (/ (- (exp x) 1.0) x)
  (* -1 (/ (- 1.0 (exp x)) x))
0.912 * * * [progress]: adding candidates to table
1.053 * [progress]: [Phase 3 of 3] Extracting.
1.053 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (- (/ (exp x) x) (/ 1.0 x)))> #<alt (λ (x) (+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1)))> #<alt (λ (x) (/ (+ (log (exp (/ (- (exp x) 1.0) 2))) (log (exp (/ (- (exp x) 1.0) 2)))) x))>)
1.054 * * * [regime-changes]: Trying 1 branch expressions: (x)
1.054 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (- (/ (exp x) x) (/ 1.0 x)))> #<alt (λ (x) (+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1)))> #<alt (λ (x) (/ (+ (log (exp (/ (- (exp x) 1.0) 2))) (log (exp (/ (- (exp x) 1.0) 2)))) x))>)
1.073 * * * [regime]: Found split indices: #<option (#s(si 2 77) #s(si 1 255))>
1.074 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x) (- (/ (exp x) x) (/ 1.0 x)))> #<alt (λ (x) (+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1)))> #<alt (λ (x) (/ (+ (log (exp (/ (- (exp x) 1.0) 2))) (log (exp (/ (- (exp x) 1.0) 2)))) x))>)
1.101 * [regimes]: Found splitpoints: (#s(sp 2 x -0.0002253308529723645) #s(sp 1 x +nan.0)) , with alts (#<alt (λ (x) (- (/ (exp x) x) (/ 1.0 x)))> #<alt (λ (x) (+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1)))> #<alt (λ (x) (/ (+ (log (exp (/ (- (exp x) 1.0) 2))) (log (exp (/ (- (exp x) 1.0) 2)))) x))>)
1.102 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= x -0.0002253308529723645) (/ (+ (log (exp (/ (- (exp x) 1.0) 2))) (log (exp (/ (- (exp x) 1.0) 2)))) x) (+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1)))
1.102 * * [simplify]: iteration  0 :  27  enodes  (cost  17 )
1.102 * * [simplify]: iteration  1 :  27  enodes  (cost  17 )
1.103 * [simplify]: Simplified to:
   (if (<= x -0.0002253308529723645) (/ (+ (log (exp (/ (- (exp x) 1.0) 2))) (log (exp (/ (- (exp x) 1.0) 2)))) x) (+ (* 1/6 (pow x 2)) (+ (* 1/2 x) 1)))
2.125 * [regime-testing]: Baseline error score: 21.35582622668821
2.125 * [regime-testing]: Oracle error score: 0.04593019153477099
2.126 * [regime-testing]: End program error score: 0.3209879063579575
2.169 * [regime-testing]: Target error score: 40.26565820727591