8.143 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.039 * * * [progress]: [2/2] Setting up program.
0.041 * [progress]: [Phase 2 of 3] Improving.
0.041 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (exp x) 1.0)
0.045 * * [simplify]: iteration  0 :  68  enodes  (cost  4 )
0.045 * * [simplify]: iteration  1 :  68  enodes  (cost  4 )
0.045 * [simplify]: Simplified to:
   (- (exp x) 1.0)
0.047 * * [progress]: iteration 1 / 4
0.048 * * * [progress]: picking best candidate
0.049 * * * * [pick]: Picked  #<alt (λ (x) (- (exp x) 1.0))>
0.049 * * * [progress]: localizing error
0.052 * * * [progress]: generating rewritten candidates
0.052 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.056 * * * [progress]: generating series expansions
0.056 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.056 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0
0.056 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.057 * [taylor]: Taking taylor expansion of (exp x) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of 1.0 in x
0.057 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.057 * [taylor]: Taking taylor expansion of (exp x) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of 1.0 in x
0.057 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0
0.057 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.057 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.057 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.057 * [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 (/ 1 x)) 1.0) in x
0.058 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 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 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0
0.058 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.058 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.058 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.058 * [taylor]: Taking taylor expansion of -1 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 (/ -1 x)) 1.0) in x
0.058 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.058 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.058 * [taylor]: Taking taylor expansion of -1 in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of 1.0 in x
0.059 * * * [progress]: simplifying candidates
0.059 * [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)
  (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
0.132 * * [simplify]: iteration  0 :  4883  enodes  (cost  115 )
0.132 * * [simplify]: iteration  1 :  4883  enodes  (cost  115 )
0.133 * [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))
  (+ (pow (exp x) 2) (* 1.0 (+ (exp x) 1.0)))
  (neg 1.0)
  (- (pow (exp x) 2) (* 1.0 1.0))
  (+ (exp x) 1.0)
  (+ (sqrt (exp x)) (sqrt 1.0))
  (- (sqrt (exp x)) (sqrt 1.0))
  (- (exp x) 1.0)
  (+ x (* (* x x) (+ 1/2 (* x 1/6))))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
0.133 * * * [progress]: adding candidates to table
0.167 * * [progress]: iteration 2 / 4
0.167 * * * [progress]: picking best candidate
0.171 * * * * [pick]: Picked  #<alt (λ (x) (+ x (* (* x x) (+ 1/2 (* x 1/6)))))>
0.171 * * * [progress]: localizing error
0.177 * * * [progress]: generating rewritten candidates
0.177 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2 2 2)
0.181 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
0.188 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 2)
0.192 * * * [progress]: generating series expansions
0.192 * * * * [progress]: [ 1 / 3 ] generating series at (2 2 2 2)
0.192 * [approximate]: Taking taylor expansion of (* 1/6 x) in (x) around 0
0.192 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
0.192 * [taylor]: Taking taylor expansion of 1/6 in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
0.192 * [taylor]: Taking taylor expansion of 1/6 in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [approximate]: Taking taylor expansion of (/ 1/6 x) in (x) around 0
0.192 * [taylor]: Taking taylor expansion of (/ 1/6 x) in x
0.192 * [taylor]: Taking taylor expansion of 1/6 in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.193 * [taylor]: Taking taylor expansion of (/ 1/6 x) in x
0.193 * [taylor]: Taking taylor expansion of 1/6 in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.193 * [approximate]: Taking taylor expansion of (/ -1/6 x) in (x) around 0
0.193 * [taylor]: Taking taylor expansion of (/ -1/6 x) in x
0.193 * [taylor]: Taking taylor expansion of -1/6 in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.193 * [taylor]: Taking taylor expansion of (/ -1/6 x) in x
0.193 * [taylor]: Taking taylor expansion of -1/6 in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.194 * * * * [progress]: [ 2 / 3 ] generating series at (2 2)
0.194 * [approximate]: Taking taylor expansion of (* (pow x 2) (+ (* 1/6 x) 1/2)) in (x) around 0
0.194 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (* 1/6 x) 1/2)) in x
0.194 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.194 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of (+ (* 1/6 x) 1/2) in x
0.194 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
0.194 * [taylor]: Taking taylor expansion of 1/6 in x
0.194 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of 1/2 in x
0.194 * [taylor]: Taking taylor expansion of (* (pow x 2) (+ (* 1/6 x) 1/2)) in x
0.194 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.194 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of (+ (* 1/6 x) 1/2) in x
0.194 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
0.194 * [taylor]: Taking taylor expansion of 1/6 in x
0.194 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of 1/2 in x
0.195 * [approximate]: Taking taylor expansion of (/ (+ (* 1/6 (/ 1 x)) 1/2) (pow x 2)) in (x) around 0
0.195 * [taylor]: Taking taylor expansion of (/ (+ (* 1/6 (/ 1 x)) 1/2) (pow x 2)) in x
0.195 * [taylor]: Taking taylor expansion of (+ (* 1/6 (/ 1 x)) 1/2) in x
0.195 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
0.195 * [taylor]: Taking taylor expansion of 1/6 in x
0.195 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.196 * [taylor]: Taking taylor expansion of 1/2 in x
0.196 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.196 * [taylor]: Taking taylor expansion of (/ (+ (* 1/6 (/ 1 x)) 1/2) (pow x 2)) in x
0.196 * [taylor]: Taking taylor expansion of (+ (* 1/6 (/ 1 x)) 1/2) in x
0.196 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
0.196 * [taylor]: Taking taylor expansion of 1/6 in x
0.196 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.196 * [taylor]: Taking taylor expansion of 1/2 in x
0.196 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.198 * [approximate]: Taking taylor expansion of (/ (- 1/2 (* 1/6 (/ 1 x))) (pow x 2)) in (x) around 0
0.198 * [taylor]: Taking taylor expansion of (/ (- 1/2 (* 1/6 (/ 1 x))) (pow x 2)) in x
0.198 * [taylor]: Taking taylor expansion of (- 1/2 (* 1/6 (/ 1 x))) in x
0.198 * [taylor]: Taking taylor expansion of 1/2 in x
0.198 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
0.198 * [taylor]: Taking taylor expansion of 1/6 in x
0.198 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.198 * [taylor]: Taking taylor expansion of x in x
0.198 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.198 * [taylor]: Taking taylor expansion of x in x
0.198 * [taylor]: Taking taylor expansion of (/ (- 1/2 (* 1/6 (/ 1 x))) (pow x 2)) in x
0.198 * [taylor]: Taking taylor expansion of (- 1/2 (* 1/6 (/ 1 x))) in x
0.198 * [taylor]: Taking taylor expansion of 1/2 in x
0.198 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
0.198 * [taylor]: Taking taylor expansion of 1/6 in x
0.198 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.198 * [taylor]: Taking taylor expansion of x in x
0.198 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.198 * [taylor]: Taking taylor expansion of x in x
0.200 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 2)
0.200 * [approximate]: Taking taylor expansion of (+ (* 1/6 x) 1/2) in (x) around 0
0.200 * [taylor]: Taking taylor expansion of (+ (* 1/6 x) 1/2) in x
0.200 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
0.200 * [taylor]: Taking taylor expansion of 1/6 in x
0.200 * [taylor]: Taking taylor expansion of x in x
0.200 * [taylor]: Taking taylor expansion of 1/2 in x
0.200 * [taylor]: Taking taylor expansion of (+ (* 1/6 x) 1/2) in x
0.200 * [taylor]: Taking taylor expansion of (* 1/6 x) in x
0.200 * [taylor]: Taking taylor expansion of 1/6 in x
0.200 * [taylor]: Taking taylor expansion of x in x
0.200 * [taylor]: Taking taylor expansion of 1/2 in x
0.201 * [approximate]: Taking taylor expansion of (+ (* 1/6 (/ 1 x)) 1/2) in (x) around 0
0.201 * [taylor]: Taking taylor expansion of (+ (* 1/6 (/ 1 x)) 1/2) in x
0.201 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
0.201 * [taylor]: Taking taylor expansion of 1/6 in x
0.201 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.201 * [taylor]: Taking taylor expansion of x in x
0.201 * [taylor]: Taking taylor expansion of 1/2 in x
0.201 * [taylor]: Taking taylor expansion of (+ (* 1/6 (/ 1 x)) 1/2) in x
0.201 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
0.201 * [taylor]: Taking taylor expansion of 1/6 in x
0.201 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.201 * [taylor]: Taking taylor expansion of x in x
0.201 * [taylor]: Taking taylor expansion of 1/2 in x
0.202 * [approximate]: Taking taylor expansion of (- 1/2 (* 1/6 (/ 1 x))) in (x) around 0
0.202 * [taylor]: Taking taylor expansion of (- 1/2 (* 1/6 (/ 1 x))) in x
0.202 * [taylor]: Taking taylor expansion of 1/2 in x
0.202 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
0.202 * [taylor]: Taking taylor expansion of 1/6 in x
0.202 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.202 * [taylor]: Taking taylor expansion of x in x
0.202 * [taylor]: Taking taylor expansion of (- 1/2 (* 1/6 (/ 1 x))) in x
0.202 * [taylor]: Taking taylor expansion of 1/2 in x
0.202 * [taylor]: Taking taylor expansion of (* 1/6 (/ 1 x)) in x
0.202 * [taylor]: Taking taylor expansion of 1/6 in x
0.202 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.202 * [taylor]: Taking taylor expansion of x in x
0.203 * * * [progress]: simplifying candidates
0.204 * [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)
  (* (* x x) (+ 1/2 (* x 1/6)))
  (* (* x x) (+ 1/2 (* x 1/6)))
  (+ (+ (log x) (log x)) (log (+ 1/2 (* x 1/6))))
  (+ (log (* x x)) (log (+ 1/2 (* x 1/6))))
  (log (* (* x x) (+ 1/2 (* x 1/6))))
  (exp (* (* x x) (+ 1/2 (* x 1/6))))
  (* (* (* (* x x) x) (* (* x x) x)) (* (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6))) (+ 1/2 (* x 1/6))))
  (* (* (* (* x x) (* x x)) (* x x)) (* (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6))) (+ 1/2 (* x 1/6))))
  (* (cbrt (* (* x x) (+ 1/2 (* x 1/6)))) (cbrt (* (* x x) (+ 1/2 (* x 1/6)))))
  (cbrt (* (* x x) (+ 1/2 (* x 1/6))))
  (* (* (* (* x x) (+ 1/2 (* x 1/6))) (* (* x x) (+ 1/2 (* x 1/6)))) (* (* x x) (+ 1/2 (* x 1/6))))
  (sqrt (* (* x x) (+ 1/2 (* x 1/6))))
  (sqrt (* (* x x) (+ 1/2 (* x 1/6))))
  (* x (sqrt (+ 1/2 (* x 1/6))))
  (* x (sqrt (+ 1/2 (* x 1/6))))
  (* (* x x) 1/2)
  (* (* x x) (* x 1/6))
  (* 1/2 (* x x))
  (* (* x 1/6) (* x x))
  (* (* x x) (* (cbrt (+ 1/2 (* x 1/6))) (cbrt (+ 1/2 (* x 1/6)))))
  (* (* x x) (sqrt (+ 1/2 (* x 1/6))))
  (* (* x x) 1)
  (* x (+ 1/2 (* x 1/6)))
  (* (* x x) (+ (pow 1/2 3) (pow (* x 1/6) 3)))
  (* (* x x) (- (* 1/2 1/2) (* (* x 1/6) (* x 1/6))))
  (* (exp 1/2) (exp (* x 1/6)))
  (log (+ 1/2 (* x 1/6)))
  (exp (+ 1/2 (* x 1/6)))
  (* (cbrt (+ 1/2 (* x 1/6))) (cbrt (+ 1/2 (* x 1/6))))
  (cbrt (+ 1/2 (* x 1/6)))
  (* (* (+ 1/2 (* x 1/6)) (+ 1/2 (* x 1/6))) (+ 1/2 (* x 1/6)))
  (sqrt (+ 1/2 (* x 1/6)))
  (sqrt (+ 1/2 (* x 1/6)))
  (+ (pow 1/2 3) (pow (* x 1/6) 3))
  (+ (* 1/2 1/2) (- (* (* x 1/6) (* x 1/6)) (* 1/2 (* x 1/6))))
  (- (* 1/2 1/2) (* (* x 1/6) (* x 1/6)))
  (- 1/2 (* x 1/6))
  (* 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)))
  (+ (* 1/6 x) 1/2)
  (+ (* 1/6 x) 1/2)
  (+ (* 1/6 x) 1/2)
0.262 * * [simplify]: iteration  0 :  4857  enodes  (cost  451 )
0.262 * * [simplify]: iteration  1 :  4857  enodes  (cost  451 )
0.264 * [simplify]: Simplified to:
   (* x 1/6)
  (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
  (* 1/6 (cbrt x))
  (* 1/6 (sqrt x))
  (* x 1/6)
  (* (* x x) (+ (* x 1/6) 1/2))
  (* (* x x) (+ (* x 1/6) 1/2))
  (log (* (* x x) (+ (* x 1/6) 1/2)))
  (log (* (* x x) (+ (* x 1/6) 1/2)))
  (log (* (* x x) (+ (* x 1/6) 1/2)))
  (exp (* (* x x) (+ (* x 1/6) 1/2)))
  (* (pow x 6) (pow (+ (* x 1/6) 1/2) 3))
  (* (pow x 6) (pow (+ (* x 1/6) 1/2) 3))
  (* (cbrt (* (* x x) (+ (* x 1/6) 1/2))) (cbrt (* (* x x) (+ (* x 1/6) 1/2))))
  (cbrt (* (* x x) (+ (* x 1/6) 1/2)))
  (* (pow x 6) (pow (+ (* x 1/6) 1/2) 3))
  (sqrt (* (* x x) (+ (* x 1/6) 1/2)))
  (sqrt (* (* x x) (+ (* x 1/6) 1/2)))
  (* x (sqrt (+ (* x 1/6) 1/2)))
  (* x (sqrt (+ (* x 1/6) 1/2)))
  (* (* x x) 1/2)
  (* 1/6 (pow x 3))
  (* (* x x) 1/2)
  (* 1/6 (pow x 3))
  (* (* x x) (* (cbrt (+ (* x 1/6) 1/2)) (cbrt (+ (* x 1/6) 1/2))))
  (* x (* x (sqrt (+ (* x 1/6) 1/2))))
  (* x x)
  (* x (+ (* x 1/6) 1/2))
  (* (* x x) (+ (* (pow x 3) 1/216) 1/8))
  (* (* x x) (- 1/4 (* (* x x) 1/36)))
  (exp (+ (* x 1/6) 1/2))
  (log (+ (* x 1/6) 1/2))
  (exp (+ (* x 1/6) 1/2))
  (* (cbrt (+ (* x 1/6) 1/2)) (cbrt (+ (* x 1/6) 1/2)))
  (cbrt (+ (* x 1/6) 1/2))
  (pow (+ (* x 1/6) 1/2) 3)
  (sqrt (+ (* x 1/6) 1/2))
  (sqrt (+ (* x 1/6) 1/2))
  (+ (* (pow x 3) 1/216) 1/8)
  (+ 1/4 (* x (- (* x 1/36) 1/12)))
  (- 1/4 (* (* x x) 1/36))
  (- 1/2 (* x 1/6))
  (* x 1/6)
  (* x 1/6)
  (* x 1/6)
  (* (* x x) (+ (* x 1/6) 1/2))
  (* (* x x) (+ (* x 1/6) 1/2))
  (* (* x x) (+ (* x 1/6) 1/2))
  (+ (* x 1/6) 1/2)
  (+ (* x 1/6) 1/2)
  (+ (* x 1/6) 1/2)
0.265 * * * [progress]: adding candidates to table
0.343 * * [progress]: iteration 3 / 4
0.343 * * * [progress]: picking best candidate
0.346 * * * * [pick]: Picked  #<alt (λ (x) (exp (log (- (exp x) 1.0))))>
0.346 * * * [progress]: localizing error
0.351 * * * [progress]: generating rewritten candidates
0.351 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1)
0.355 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.360 * * * [progress]: generating series expansions
0.360 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1)
0.361 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0
0.361 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.361 * [taylor]: Taking taylor expansion of (exp x) in x
0.361 * [taylor]: Taking taylor expansion of x in x
0.361 * [taylor]: Taking taylor expansion of 1.0 in x
0.361 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.361 * [taylor]: Taking taylor expansion of (exp x) in x
0.361 * [taylor]: Taking taylor expansion of x in x
0.361 * [taylor]: Taking taylor expansion of 1.0 in x
0.361 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0
0.361 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.362 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.362 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.362 * [taylor]: Taking taylor expansion of x in x
0.362 * [taylor]: Taking taylor expansion of 1.0 in x
0.362 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.362 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.362 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.362 * [taylor]: Taking taylor expansion of x in x
0.362 * [taylor]: Taking taylor expansion of 1.0 in x
0.362 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0
0.362 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.362 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.362 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.362 * [taylor]: Taking taylor expansion of -1 in x
0.362 * [taylor]: Taking taylor expansion of x in x
0.362 * [taylor]: Taking taylor expansion of 1.0 in x
0.362 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.362 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.362 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.362 * [taylor]: Taking taylor expansion of -1 in x
0.362 * [taylor]: Taking taylor expansion of x in x
0.363 * [taylor]: Taking taylor expansion of 1.0 in x
0.363 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.363 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0
0.363 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.363 * [taylor]: Taking taylor expansion of (exp x) in x
0.363 * [taylor]: Taking taylor expansion of x in x
0.363 * [taylor]: Taking taylor expansion of 1.0 in x
0.363 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.363 * [taylor]: Taking taylor expansion of (exp x) in x
0.363 * [taylor]: Taking taylor expansion of x in x
0.363 * [taylor]: Taking taylor expansion of 1.0 in x
0.364 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0
0.364 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.364 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.364 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.364 * [taylor]: Taking taylor expansion of x in x
0.364 * [taylor]: Taking taylor expansion of 1.0 in x
0.364 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.364 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.364 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.364 * [taylor]: Taking taylor expansion of x in x
0.364 * [taylor]: Taking taylor expansion of 1.0 in x
0.364 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0
0.364 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.364 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.364 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.364 * [taylor]: Taking taylor expansion of -1 in x
0.364 * [taylor]: Taking taylor expansion of x in x
0.364 * [taylor]: Taking taylor expansion of 1.0 in x
0.365 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.365 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.365 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.365 * [taylor]: Taking taylor expansion of -1 in x
0.365 * [taylor]: Taking taylor expansion of x in x
0.365 * [taylor]: Taking taylor expansion of 1.0 in x
0.365 * * * [progress]: simplifying candidates
0.365 * [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)
  (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)
0.411 * * [simplify]: iteration  0 :  5056  enodes  (cost  266 )
0.413 * [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))
  (+ (pow (exp x) 2) (* 1.0 (+ (exp x) 1.0)))
  (neg 1.0)
  (- (pow (exp x) 2) (* 1.0 1.0))
  (+ (exp x) 1.0)
  (+ (sqrt (exp x)) (sqrt 1.0))
  (- (sqrt (exp x)) (sqrt 1.0))
  (- (exp x) 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))
  (+ (pow (exp x) 2) (* 1.0 (+ (exp x) 1.0)))
  (- (pow (exp x) 2) (* 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))
  (+ x (* (* x x) (+ 1/2 (* x 1/6))))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
  (+ x (* (* x x) (+ 1/2 (* x 1/6))))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
0.414 * * * [progress]: adding candidates to table
0.467 * [progress]: [Phase 3 of 3] Extracting.
0.467 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (exp (log (- (exp x) 1.0))))> #<alt (λ (x) (+ x (* (* x x) (+ 1/2 (* x 1/6)))))>)
0.467 * * * [regime-changes]: Trying 3 branch expressions: ((exp x) (- (exp x) 1.0) x)
0.467 * * * * [regimes]: Trying to branch on (exp x) from (#<alt (λ (x) (exp (log (- (exp x) 1.0))))> #<alt (λ (x) (+ x (* (* x x) (+ 1/2 (* x 1/6)))))>)
0.486 * * * * [regimes]: Trying to branch on (- (exp x) 1.0) from (#<alt (λ (x) (exp (log (- (exp x) 1.0))))> #<alt (λ (x) (+ x (* (* x x) (+ 1/2 (* x 1/6)))))>)
0.506 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (exp (log (- (exp x) 1.0))))> #<alt (λ (x) (+ x (* (* x x) (+ 1/2 (* x 1/6)))))>)
0.530 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.531 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ x (* (* x x) (+ 1/2 (* x 1/6))))
0.531 * * [simplify]: iteration  0 :  12  enodes  (cost  11 )
0.531 * * [simplify]: iteration  1 :  12  enodes  (cost  11 )
0.532 * [simplify]: Simplified to:
   (+ x (* (* x x) (+ 1/2 (* x 1/6))))
1.846 * [regime-testing]: End program error score: 0.47698024122914295
1.899 * [regime-testing]: Target error score: 0.4866734854374541