21.202 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.044 * * * [progress]: [2/2] Setting up program.
0.046 * [progress]: [Phase 2 of 3] Improving.
0.046 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (exp x) 1.0)
0.048 * * [simplify]: iteration  0 :  6  enodes  (cost  2 )
0.049 * * [simplify]: iteration  1 :  7  enodes  (cost  2 )
0.050 * * [simplify]: iteration  2 :  7  enodes  (cost  2 )
0.050 * [simplify]: Simplified to:
   (- (exp x) 1.0)
0.050 * * [progress]: iteration 1 / 4
0.050 * * * [progress]: picking best candidate
0.052 * * * * [pick]: Picked  #<alt (λ (x) (- (exp x) 1.0))>
0.052 * * * [progress]: localizing error
0.055 * * * [progress]: generating rewritten candidates
0.055 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.059 * * * [progress]: generating series expansions
0.059 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.059 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0
0.059 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.059 * [taylor]: Taking taylor expansion of (exp x) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.059 * [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
0.061 * [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 * [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 -1 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 -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 * * * [progress]: simplifying candidates
0.062 * [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)))
  (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)
  (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
0.065 * * [simplify]: iteration  0 :  81  enodes  (cost  72 )
0.066 * * [simplify]: iteration  1 :  185  enodes  (cost  67 )
0.070 * * [simplify]: iteration  2 :  499  enodes  (cost  66 )
0.078 * * [simplify]: iteration  3 :  1399  enodes  (cost  66 )
0.113 * * [simplify]: iteration  4 :  5002  enodes  (cost  66 )
0.114 * [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)))
  (- 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)
  (- 0 1.0)
  (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)
  (- (exp x) 1.0)
  (- (exp x) 1.0)
0.114 * * * [progress]: adding candidates to table
0.146 * * [progress]: iteration 2 / 4
0.146 * * * [progress]: picking best candidate
0.150 * * * * [pick]: Picked  #<alt (λ (x) (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))>
0.151 * * * [progress]: localizing error
0.157 * * * [progress]: generating rewritten candidates
0.157 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1 2 1)
0.160 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.168 * * * * [progress]: [ 3 / 3 ] rewriting at (2)
0.177 * * * [progress]: generating series expansions
0.177 * * * * [progress]: [ 1 / 3 ] generating series at (2 1 2 1)
0.177 * [approximate]: Taking taylor expansion of (* 1/6 x) in (x) around 0
0.177 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
0.177 * [taylor]: Taking taylor expansion of 1/6 in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
0.177 * [taylor]: Taking taylor expansion of 1/6 in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.177 * [approximate]: Taking taylor expansion of (/ 1/6 x) in (x) around 0
0.177 * [taylor]: Taking taylor expansion of (/ 1/6 x) in x
0.177 * [taylor]: Taking taylor expansion of 1/6 in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of (/ 1/6 x) in x
0.177 * [taylor]: Taking taylor expansion of 1/6 in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.178 * [approximate]: Taking taylor expansion of (/ -1/6 x) in (x) around 0
0.178 * [taylor]: Taking taylor expansion of (/ -1/6 x) in x
0.178 * [taylor]: Taking taylor expansion of -1/6 in x
0.178 * [taylor]: Taking taylor expansion of x in x
0.178 * [taylor]: Taking taylor expansion of (/ -1/6 x) in x
0.178 * [taylor]: Taking taylor expansion of -1/6 in x
0.178 * [taylor]: Taking taylor expansion of x in x
0.179 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
0.179 * [approximate]: Taking taylor expansion of (* (pow x 2) (+ (* 1/6 x) 1/2)) in (x) around 0
0.179 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (* 1/6 x) 1/2)) in x
0.179 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.179 * [taylor]: Taking taylor expansion of x in x
0.179 * [taylor]: Taking taylor expansion of (+ (* 1/6 x) 1/2) in x
0.179 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
0.179 * [taylor]: Taking taylor expansion of 1/6 in x
0.179 * [taylor]: Taking taylor expansion of x in x
0.179 * [taylor]: Taking taylor expansion of 1/2 in x
0.179 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (* 1/6 x) 1/2)) in x
0.179 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.179 * [taylor]: Taking taylor expansion of x in x
0.179 * [taylor]: Taking taylor expansion of (+ (* 1/6 x) 1/2) in x
0.179 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
0.179 * [taylor]: Taking taylor expansion of 1/6 in x
0.179 * [taylor]: Taking taylor expansion of x in x
0.179 * [taylor]: Taking taylor expansion of 1/2 in x
0.180 * [approximate]: Taking taylor expansion of (/ (+ 1/2 (* 1/6 (/ 1 x))) (pow x 2)) in (x) around 0
0.180 * [taylor]: Taking taylor expansion of (/ (+ 1/2 (* 1/6 (/ 1 x))) (pow x 2)) in x
0.180 * [taylor]: Taking taylor expansion of (+ 1/2 (* 1/6 (/ 1 x))) in x
0.180 * [taylor]: Taking taylor expansion of 1/2 in x
0.180 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
0.180 * [taylor]: Taking taylor expansion of 1/6 in x
0.180 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.180 * [taylor]: Taking taylor expansion of x in x
0.180 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.180 * [taylor]: Taking taylor expansion of x in x
0.181 * [taylor]: Taking taylor expansion of (/ (+ 1/2 (* 1/6 (/ 1 x))) (pow x 2)) in x
0.181 * [taylor]: Taking taylor expansion of (+ 1/2 (* 1/6 (/ 1 x))) in x
0.181 * [taylor]: Taking taylor expansion of 1/2 in x
0.181 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
0.181 * [taylor]: Taking taylor expansion of 1/6 in x
0.181 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.181 * [taylor]: Taking taylor expansion of x in x
0.181 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.181 * [taylor]: Taking taylor expansion of x in x
0.182 * [approximate]: Taking taylor expansion of (/ (- 1/2 (* 1/6 (/ 1 x))) (pow x 2)) in (x) around 0
0.183 * [taylor]: Taking taylor expansion of (/ (- 1/2 (* 1/6 (/ 1 x))) (pow x 2)) in x
0.183 * [taylor]: Taking taylor expansion of (- 1/2 (* 1/6 (/ 1 x))) in x
0.183 * [taylor]: Taking taylor expansion of 1/2 in x
0.183 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
0.183 * [taylor]: Taking taylor expansion of 1/6 in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of (/ (- 1/2 (* 1/6 (/ 1 x))) (pow x 2)) in x
0.183 * [taylor]: Taking taylor expansion of (- 1/2 (* 1/6 (/ 1 x))) in x
0.183 * [taylor]: Taking taylor expansion of 1/2 in x
0.183 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
0.183 * [taylor]: Taking taylor expansion of 1/6 in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.187 * * * * [progress]: [ 3 / 3 ] generating series at (2)
0.187 * [approximate]: Taking taylor expansion of (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x)) in (x) around 0
0.187 * [taylor]: Taking taylor expansion of (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x)) in x
0.187 * [taylor]: Taking taylor expansion of (* 1/2 (pow x 2)) in x
0.187 * [taylor]: Taking taylor expansion of 1/2 in x
0.187 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of (+ (* 1/6 (pow x 3)) x) in x
0.187 * [taylor]: Taking taylor expansion of (* 1/6 (pow x 3)) in x
0.187 * [taylor]: Taking taylor expansion of 1/6 in x
0.187 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x)) in x
0.187 * [taylor]: Taking taylor expansion of (* 1/2 (pow x 2)) in x
0.187 * [taylor]: Taking taylor expansion of 1/2 in x
0.187 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of (+ (* 1/6 (pow x 3)) x) in x
0.187 * [taylor]: Taking taylor expansion of (* 1/6 (pow x 3)) in x
0.187 * [taylor]: Taking taylor expansion of 1/6 in x
0.187 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.188 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ 1 (pow x 2))) (+ (/ 1 x) (* 1/6 (/ 1 (pow x 3))))) in (x) around 0
0.188 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 (pow x 2))) (+ (/ 1 x) (* 1/6 (/ 1 (pow x 3))))) in x
0.188 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 2))) in x
0.188 * [taylor]: Taking taylor expansion of 1/2 in x
0.188 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.188 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.188 * [taylor]: Taking taylor expansion of x in x
0.188 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 1/6 (/ 1 (pow x 3)))) in x
0.188 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.188 * [taylor]: Taking taylor expansion of x in x
0.188 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 (pow x 3))) in x
0.188 * [taylor]: Taking taylor expansion of 1/6 in x
0.188 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.188 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.188 * [taylor]: Taking taylor expansion of x in x
0.188 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 (pow x 2))) (+ (/ 1 x) (* 1/6 (/ 1 (pow x 3))))) in x
0.188 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 2))) in x
0.188 * [taylor]: Taking taylor expansion of 1/2 in x
0.188 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.188 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.188 * [taylor]: Taking taylor expansion of x in x
0.188 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 1/6 (/ 1 (pow x 3)))) in x
0.188 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.188 * [taylor]: Taking taylor expansion of x in x
0.188 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 (pow x 3))) in x
0.188 * [taylor]: Taking taylor expansion of 1/6 in x
0.188 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.188 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.188 * [taylor]: Taking taylor expansion of x in x
0.189 * [approximate]: Taking taylor expansion of (- (* 1/2 (/ 1 (pow x 2))) (+ (/ 1 x) (* 1/6 (/ 1 (pow x 3))))) in (x) around 0
0.189 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ 1 (pow x 2))) (+ (/ 1 x) (* 1/6 (/ 1 (pow x 3))))) in x
0.189 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 2))) in x
0.189 * [taylor]: Taking taylor expansion of 1/2 in x
0.189 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.189 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.189 * [taylor]: Taking taylor expansion of x in x
0.189 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 1/6 (/ 1 (pow x 3)))) in x
0.189 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.189 * [taylor]: Taking taylor expansion of x in x
0.189 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 (pow x 3))) in x
0.189 * [taylor]: Taking taylor expansion of 1/6 in x
0.189 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.189 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.189 * [taylor]: Taking taylor expansion of x in x
0.189 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ 1 (pow x 2))) (+ (/ 1 x) (* 1/6 (/ 1 (pow x 3))))) in x
0.189 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 2))) in x
0.189 * [taylor]: Taking taylor expansion of 1/2 in x
0.189 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.189 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.189 * [taylor]: Taking taylor expansion of x in x
0.189 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (* 1/6 (/ 1 (pow x 3)))) in x
0.189 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.190 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 (pow x 3))) in x
0.190 * [taylor]: Taking taylor expansion of 1/6 in x
0.190 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.190 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.190 * * * [progress]: simplifying candidates
0.191 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 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)
  (+ (* (log x) 2) (log (+ (* x 1/6) 1/2)))
  (+ (* (log x) 2) (log (+ (* x 1/6) 1/2)))
  (+ (log (pow x 2)) (log (+ (* x 1/6) 1/2)))
  (log (* (pow x 2) (+ (* x 1/6) 1/2)))
  (exp (* (pow x 2) (+ (* x 1/6) 1/2)))
  (* (* (* (pow x 2) (pow x 2)) (pow x 2)) (* (* (+ (* x 1/6) 1/2) (+ (* x 1/6) 1/2)) (+ (* x 1/6) 1/2)))
  (* (cbrt (* (pow x 2) (+ (* x 1/6) 1/2))) (cbrt (* (pow x 2) (+ (* x 1/6) 1/2))))
  (cbrt (* (pow x 2) (+ (* x 1/6) 1/2)))
  (* (* (* (pow x 2) (+ (* x 1/6) 1/2)) (* (pow x 2) (+ (* x 1/6) 1/2))) (* (pow x 2) (+ (* x 1/6) 1/2)))
  (sqrt (* (pow x 2) (+ (* x 1/6) 1/2)))
  (sqrt (* (pow x 2) (+ (* x 1/6) 1/2)))
  (* (pow (sqrt x) 2) (sqrt (+ (* x 1/6) 1/2)))
  (* (pow (sqrt x) 2) (sqrt (+ (* x 1/6) 1/2)))
  (* x (sqrt (+ (* x 1/6) 1/2)))
  (* x (sqrt (+ (* x 1/6) 1/2)))
  (* (sqrt (pow x 2)) (sqrt (+ (* x 1/6) 1/2)))
  (* (sqrt (pow x 2)) (sqrt (+ (* x 1/6) 1/2)))
  (* (pow x (/ 2 2)) (sqrt (+ (* x 1/6) 1/2)))
  (* (pow x (/ 2 2)) (sqrt (+ (* x 1/6) 1/2)))
  (* (pow x 2) (* x 1/6))
  (* (pow x 2) 1/2)
  (* (* x 1/6) (pow x 2))
  (* 1/2 (pow x 2))
  (* (pow x 2) (* (cbrt (+ (* x 1/6) 1/2)) (cbrt (+ (* x 1/6) 1/2))))
  (* (pow x 2) (sqrt (+ (* x 1/6) 1/2)))
  (* (pow x 2) 1)
  (* (pow (cbrt x) 2) (+ (* x 1/6) 1/2))
  (* (pow (sqrt x) 2) (+ (* x 1/6) 1/2))
  (* (pow x 2) (+ (* x 1/6) 1/2))
  (* x (+ (* x 1/6) 1/2))
  (* (cbrt (pow x 2)) (+ (* x 1/6) 1/2))
  (* (sqrt (pow x 2)) (+ (* x 1/6) 1/2))
  (* (pow x 2) (+ (* x 1/6) 1/2))
  (* (pow x (/ 2 2)) (+ (* x 1/6) 1/2))
  (* (pow x 2) (+ (pow (* x 1/6) 3) (pow 1/2 3)))
  (* (pow x 2) (- (* (* x 1/6) (* x 1/6)) (* 1/2 1/2)))
  (* (exp (* (pow x 2) (+ (* x 1/6) 1/2))) (exp x))
  (log (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))
  (exp (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))
  (* (cbrt (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)) (cbrt (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)))
  (cbrt (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))
  (* (* (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x) (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)) (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))
  (sqrt (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))
  (sqrt (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))
  (+ (pow (* (pow x 2) (+ (* x 1/6) 1/2)) 3) (pow x 3))
  (+ (* (* (pow x 2) (+ (* x 1/6) 1/2)) (* (pow x 2) (+ (* x 1/6) 1/2))) (- (* x x) (* (* (pow x 2) (+ (* x 1/6) 1/2)) x)))
  (- (* (* (pow x 2) (+ (* x 1/6) 1/2)) (* (pow x 2) (+ (* x 1/6) 1/2))) (* x x))
  (- (* (pow x 2) (+ (* x 1/6) 1/2)) x)
  (+ (* (pow x 2) 1/2) x)
  (+ (* 1/2 (pow x 2)) x)
  (* 1/6 x)
  (* 1/6 x)
  (* 1/6 x)
  (+ (* 1/2 (pow x 2)) (* 1/6 (pow x 3)))
  (+ (* 1/2 (pow x 2)) (* 1/6 (pow x 3)))
  (+ (* 1/2 (pow x 2)) (* 1/6 (pow x 3)))
  (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x))
  (+ (* 1/2 (pow x 2)) (+ x (* 1/6 (pow x 3))))
  (+ (* 1/2 (pow x 2)) (+ x (* 1/6 (pow x 3))))
0.196 * * [simplify]: iteration  0 :  310  enodes  (cost  355 )
0.202 * * [simplify]: iteration  1 :  1545  enodes  (cost  327 )
0.238 * * [simplify]: iteration  2 :  5001  enodes  (cost  326 )
0.241 * [simplify]: Simplified to:
   (* x 1/6)
  (log (* x 1/6))
  (log (* x 1/6))
  (exp (* x 1/6))
  (pow (* x 1/6) 3)
  (* (cbrt (* x 1/6)) (cbrt (* x 1/6)))
  (cbrt (* x 1/6))
  (pow (* x 1/6) 3)
  (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)
  (* x 1/6)
  (log (* (pow x 2) (+ (* x 1/6) 1/2)))
  (log (* (pow x 2) (+ (* x 1/6) 1/2)))
  (log (* (pow x 2) (+ (* x 1/6) 1/2)))
  (log (* (pow x 2) (+ (* x 1/6) 1/2)))
  (exp (* (pow x 2) (+ (* x 1/6) 1/2)))
  (pow (* (pow x 2) (+ (* x 1/6) 1/2)) 3)
  (* (cbrt (* (pow x 2) (+ (* x 1/6) 1/2))) (cbrt (* (pow x 2) (+ (* x 1/6) 1/2))))
  (cbrt (* (pow x 2) (+ (* x 1/6) 1/2)))
  (pow (* (pow x 2) (+ (* x 1/6) 1/2)) 3)
  (sqrt (* (pow x 2) (+ (* x 1/6) 1/2)))
  (sqrt (* (pow x 2) (+ (* x 1/6) 1/2)))
  (* (sqrt (+ (* x 1/6) 1/2)) x)
  (* (sqrt (+ (* x 1/6) 1/2)) x)
  (* (sqrt (+ (* x 1/6) 1/2)) x)
  (* (sqrt (+ (* x 1/6) 1/2)) x)
  (* (sqrt (pow x 2)) (sqrt (+ (* x 1/6) 1/2)))
  (* (sqrt (pow x 2)) (sqrt (+ (* x 1/6) 1/2)))
  (* (sqrt (+ (* x 1/6) 1/2)) x)
  (* (sqrt (+ (* x 1/6) 1/2)) x)
  (* (pow x 3) 1/6)
  (* (pow x 2) 1/2)
  (* (pow x 3) 1/6)
  (* (pow x 2) 1/2)
  (* (pow x 2) (* (cbrt (+ (* x 1/6) 1/2)) (cbrt (+ (* x 1/6) 1/2))))
  (* (pow x 2) (sqrt (+ (* x 1/6) 1/2)))
  (pow x 2)
  (* (pow (cbrt x) 2) (+ (* x 1/6) 1/2))
  (* (+ (* x 1/6) 1/2) x)
  (* (pow x 2) (+ (* x 1/6) 1/2))
  (* (+ (* x 1/6) 1/2) x)
  (* (cbrt (pow x 2)) (+ (* x 1/6) 1/2))
  (* (fabs x) (+ (* x 1/6) 1/2))
  (* (pow x 2) (+ (* x 1/6) 1/2))
  (* (+ (* x 1/6) 1/2) x)
  (* (pow x 2) (+ (pow (* x 1/6) 3) 1/8))
  (* (+ (* (pow x 2) 1/36) -1/4) (pow x 2))
  (exp (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))
  (log (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))
  (exp (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))
  (* (cbrt (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)) (cbrt (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)))
  (cbrt (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))
  (pow (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x) 3)
  (sqrt (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))
  (sqrt (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))
  (+ (pow (* (pow x 2) (+ (* x 1/6) 1/2)) 3) (pow x 3))
  (* (pow x 2) (+ (* (+ (* x 1/6) 1/2) (* (pow x 2) (+ (* x 1/6) 1/2))) (- 1 (* (+ (* x 1/6) 1/2) x))))
  (- (* (* (+ (* x 1/6) 1/2) (+ (* x 1/6) 1/2)) (pow x 4)) (pow x 2))
  (- (* (pow x 2) (+ (* x 1/6) 1/2)) x)
  (+ (* 1/2 (pow x 2)) x)
  (+ (* 1/2 (pow x 2)) x)
  (* x 1/6)
  (* x 1/6)
  (* x 1/6)
  (* (pow x 2) (+ (* x 1/6) 1/2))
  (* (pow x 2) (+ (* x 1/6) 1/2))
  (* (pow x 2) (+ (* x 1/6) 1/2))
  (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)
  (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)
  (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)
0.241 * * * [progress]: adding candidates to table
0.325 * * [progress]: iteration 3 / 4
0.325 * * * [progress]: picking best candidate
0.327 * * * * [pick]: Picked  #<alt (λ (x) (exp (log (- (exp x) 1.0))))>
0.327 * * * [progress]: localizing error
0.333 * * * [progress]: generating rewritten candidates
0.333 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1)
0.336 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.342 * * * [progress]: generating series expansions
0.342 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1)
0.342 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0
0.342 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.342 * [taylor]: Taking taylor expansion of (exp x) in x
0.342 * [taylor]: Taking taylor expansion of x in x
0.342 * [taylor]: Taking taylor expansion of 1.0 in x
0.342 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.343 * [taylor]: Taking taylor expansion of (exp x) in x
0.343 * [taylor]: Taking taylor expansion of x in x
0.343 * [taylor]: Taking taylor expansion of 1.0 in x
0.343 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0
0.343 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.343 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.343 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.343 * [taylor]: Taking taylor expansion of x in x
0.343 * [taylor]: Taking taylor expansion of 1.0 in x
0.343 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.343 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.343 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.343 * [taylor]: Taking taylor expansion of x in x
0.344 * [taylor]: Taking taylor expansion of 1.0 in x
0.344 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0
0.344 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.344 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.344 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.344 * [taylor]: Taking taylor expansion of -1 in x
0.344 * [taylor]: Taking taylor expansion of x in x
0.344 * [taylor]: Taking taylor expansion of 1.0 in x
0.344 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.344 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.344 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.344 * [taylor]: Taking taylor expansion of -1 in x
0.344 * [taylor]: Taking taylor expansion of x in x
0.344 * [taylor]: Taking taylor expansion of 1.0 in x
0.344 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.344 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0
0.344 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.345 * [taylor]: Taking taylor expansion of (exp x) in x
0.345 * [taylor]: Taking taylor expansion of x in x
0.345 * [taylor]: Taking taylor expansion of 1.0 in x
0.345 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.345 * [taylor]: Taking taylor expansion of (exp x) in x
0.345 * [taylor]: Taking taylor expansion of x in x
0.345 * [taylor]: Taking taylor expansion of 1.0 in x
0.345 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0
0.345 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.345 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.345 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.345 * [taylor]: Taking taylor expansion of x in x
0.345 * [taylor]: Taking taylor expansion of 1.0 in x
0.345 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.345 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.346 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.346 * [taylor]: Taking taylor expansion of x in x
0.346 * [taylor]: Taking taylor expansion of 1.0 in x
0.346 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0
0.346 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.346 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.346 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.346 * [taylor]: Taking taylor expansion of -1 in x
0.346 * [taylor]: Taking taylor expansion of x in x
0.346 * [taylor]: Taking taylor expansion of 1.0 in x
0.346 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.346 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.346 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.346 * [taylor]: Taking taylor expansion of -1 in x
0.346 * [taylor]: Taking taylor expansion of x in x
0.346 * [taylor]: Taking taylor expansion of 1.0 in x
0.346 * * * [progress]: simplifying candidates
0.347 * [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)))
  (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)
  (exp 1)
  (exp (* (cbrt (log (- (exp x) 1.0))) (cbrt (log (- (exp x) 1.0)))))
  (exp (sqrt (log (- (exp x) 1.0))))
  (exp 1)
  (exp (log (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0)))))
  (exp (log (cbrt (- (exp x) 1.0))))
  (exp (log (sqrt (- (exp x) 1.0))))
  (exp (log (sqrt (- (exp x) 1.0))))
  (exp (log 1))
  (exp (log (- (exp x) 1.0)))
  (exp (log (+ (sqrt (exp x)) (sqrt 1.0))))
  (exp (log (- (sqrt (exp x)) (sqrt 1.0))))
  (exp (log 1))
  (exp (log (- (exp x) 1.0)))
  (exp (log (- (pow (exp x) 3) (pow 1.0 3))))
  (exp (log (+ (* (exp x) (exp x)) (+ (* 1.0 1.0) (* (exp x) 1.0)))))
  (exp (log (- (* (exp x) (exp x)) (* 1.0 1.0))))
  (exp (log (+ (exp x) 1.0)))
  (log (exp (log (- (exp x) 1.0))))
  (exp (exp (log (- (exp x) 1.0))))
  (* (cbrt (exp (log (- (exp x) 1.0)))) (cbrt (exp (log (- (exp x) 1.0)))))
  (cbrt (exp (log (- (exp x) 1.0))))
  (* (* (exp (log (- (exp x) 1.0))) (exp (log (- (exp x) 1.0)))) (exp (log (- (exp x) 1.0))))
  (sqrt (exp (log (- (exp x) 1.0))))
  (sqrt (exp (log (- (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)
0.350 * * [simplify]: iteration  0 :  125  enodes  (cost  172 )
0.352 * * [simplify]: iteration  1 :  252  enodes  (cost  162 )
0.356 * * [simplify]: iteration  2 :  615  enodes  (cost  157 )
0.365 * * [simplify]: iteration  3 :  1689  enodes  (cost  151 )
0.401 * * [simplify]: iteration  4 :  5001  enodes  (cost  151 )
0.402 * [simplify]: Simplified to:
   (exp (- (exp x) 1.0))
  (log (- (exp x) 1.0))
  (exp (- (exp x) 1.0))
  (pow (cbrt (- (exp x) 1.0)) 2)
  (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)))
  (- 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)
  (- 0 1.0)
  E
  (exp (* (cbrt (log (- (exp x) 1.0))) (cbrt (log (- (exp x) 1.0)))))
  (exp (sqrt (log (- (exp x) 1.0))))
  E
  (pow (cbrt (- (exp x) 1.0)) 2)
  (cbrt (- (exp x) 1.0))
  (sqrt (- (exp x) 1.0))
  (sqrt (- (exp x) 1.0))
  1
  (- (exp x) 1.0)
  (+ (sqrt (exp x)) (sqrt 1.0))
  (- (sqrt (exp x)) (sqrt 1.0))
  1
  (- (exp x) 1.0)
  (- (pow (exp x) 3) (pow 1.0 3))
  (+ (* 1.0 (+ 1.0 (exp x))) (exp (+ x x)))
  (- (* (exp x) (exp x)) (* 1.0 1.0))
  (+ (exp x) 1.0)
  (log (- (exp x) 1.0))
  (exp (- (exp x) 1.0))
  (pow (cbrt (- (exp x) 1.0)) 2)
  (cbrt (- (exp x) 1.0))
  (pow (- (exp x) 1.0) 3)
  (sqrt (- (exp x) 1.0))
  (sqrt (- (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)
0.403 * * * [progress]: adding candidates to table
0.445 * [progress]: [Phase 3 of 3] Extracting.
0.445 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (exp (log (- (exp x) 1.0))))> #<alt (λ (x) (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))>)
0.446 * * * [regime-changes]: Trying 3 branch expressions: ((exp x) (- (exp x) 1.0) x)
0.446 * * * * [regimes]: Trying to branch on (exp x) from (#<alt (λ (x) (exp (log (- (exp x) 1.0))))> #<alt (λ (x) (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))>)
0.469 * * * * [regimes]: Trying to branch on (- (exp x) 1.0) from (#<alt (λ (x) (exp (log (- (exp x) 1.0))))> #<alt (λ (x) (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))>)
0.494 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (exp (log (- (exp x) 1.0))))> #<alt (λ (x) (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x))>)
0.521 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.522 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)
0.522 * * [simplify]: iteration  0 :  13  enodes  (cost  5 )
0.522 * * [simplify]: iteration  1 :  13  enodes  (cost  5 )
0.523 * [simplify]: Simplified to:
   (+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)
2.120 * [regime-testing]: Baseline error score: 0.4649203610981786
2.120 * [regime-testing]: Oracle error score: 0.03884408446527222
2.122 * [regime-testing]: End program error score: 0.4649203610981786
2.182 * [regime-testing]: Target error score: 0.4738385348329511