16.525 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.008 * * * [progress]: [2/2] Setting up program.
0.009 * [progress]: [Phase 2 of 3] Improving.
0.009 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ x (/ 1.0 3.0))
0.011 * * [simplify]: iteration  0 :  6  enodes  (cost  2 )
0.012 * * [simplify]: iteration  1 :  6  enodes  (cost  2 )
0.012 * [simplify]: Simplified to:
   (+ x (/ 1.0 3.0))
0.013 * * [progress]: iteration 1 / 4
0.013 * * * [progress]: picking best candidate
0.013 * * * * [pick]: Picked  #<alt (λ (x) (+ x (/ 1.0 3.0)))>
0.013 * * * [progress]: localizing error
0.016 * * * [progress]: generating rewritten candidates
0.016 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.022 * * * [progress]: generating series expansions
0.022 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.023 * [approximate]: Taking taylor expansion of (+ x 0.3333333333333333) in (x) around 0
0.023 * [taylor]: Taking taylor expansion of (+ x 0.3333333333333333) in x
0.023 * [taylor]: Taking taylor expansion of x in x
0.023 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.023 * [taylor]: Taking taylor expansion of (+ x 0.3333333333333333) in x
0.023 * [taylor]: Taking taylor expansion of x in x
0.023 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.025 * [approximate]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in (x) around 0
0.025 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
0.025 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.025 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.025 * [taylor]: Taking taylor expansion of x in x
0.026 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
0.026 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.026 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.026 * [taylor]: Taking taylor expansion of x in x
0.031 * [approximate]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in (x) around 0
0.031 * [taylor]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in x
0.031 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.031 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.031 * [taylor]: Taking taylor expansion of x in x
0.032 * [taylor]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in x
0.032 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.032 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.032 * [taylor]: Taking taylor expansion of x in x
0.039 * * * [progress]: simplifying candidates
0.039 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (+ x (/ 1.0 3.0)))
  (log1p (+ x (/ 1.0 3.0)))
  (* (exp x) (exp (/ 1.0 3.0)))
  (log (+ x (/ 1.0 3.0)))
  (exp (+ x (/ 1.0 3.0)))
  (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0))))
  (cbrt (+ x (/ 1.0 3.0)))
  (* (* (+ x (/ 1.0 3.0)) (+ x (/ 1.0 3.0))) (+ x (/ 1.0 3.0)))
  (sqrt (+ x (/ 1.0 3.0)))
  (sqrt (+ x (/ 1.0 3.0)))
  (+ (pow x 3) (pow (/ 1.0 3.0) 3))
  (+ (* x x) (- (* (/ 1.0 3.0) (/ 1.0 3.0)) (* x (/ 1.0 3.0))))
  (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (- x (/ 1.0 3.0))
  (+ x (/ 1.0 3.0))
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
0.042 * * [simplify]: iteration  0 :  82  enodes  (cost  61 )
0.044 * * [simplify]: iteration  1 :  218  enodes  (cost  55 )
0.048 * * [simplify]: iteration  2 :  532  enodes  (cost  55 )
0.056 * * [simplify]: iteration  3 :  1514  enodes  (cost  55 )
0.082 * * [simplify]: iteration  4 :  5001  enodes  (cost  55 )
0.083 * [simplify]: Simplified to:
   (expm1 (+ x (/ 1.0 3.0)))
  (log1p (+ x (/ 1.0 3.0)))
  (exp (+ x (/ 1.0 3.0)))
  (log (+ x (/ 1.0 3.0)))
  (exp (+ x (/ 1.0 3.0)))
  (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0))))
  (cbrt (+ x (/ 1.0 3.0)))
  (pow (+ x (/ 1.0 3.0)) 3)
  (sqrt (+ x (/ 1.0 3.0)))
  (sqrt (+ x (/ 1.0 3.0)))
  (+ (pow x 3) (pow (/ 1.0 3.0) 3))
  (fma (/ 1.0 3.0) (- (/ 1.0 3.0) x) (* x x))
  (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (- x (/ 1.0 3.0))
  (+ x (/ 1.0 3.0))
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
0.083 * * * [progress]: adding candidates to table
0.109 * * [progress]: iteration 2 / 4
0.109 * * * [progress]: picking best candidate
0.111 * * * * [pick]: Picked  #<alt (λ (x) (log (exp (+ x (/ 1.0 3.0)))))>
0.111 * * * [progress]: localizing error
0.117 * * * [progress]: generating rewritten candidates
0.117 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.124 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 1)
0.129 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1)
0.137 * * * [progress]: generating series expansions
0.137 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.138 * [approximate]: Taking taylor expansion of (+ x 0.3333333333333333) in (x) around 0
0.138 * [taylor]: Taking taylor expansion of (+ x 0.3333333333333333) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.138 * [taylor]: Taking taylor expansion of (+ x 0.3333333333333333) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.140 * [approximate]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in (x) around 0
0.140 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
0.140 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
0.140 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.146 * [approximate]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in (x) around 0
0.146 * [taylor]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in x
0.146 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.147 * [taylor]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in x
0.147 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.147 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.147 * [taylor]: Taking taylor expansion of x in x
0.154 * * * * [progress]: [ 2 / 3 ] generating series at (2 1 1)
0.154 * [approximate]: Taking taylor expansion of (+ x 0.3333333333333333) in (x) around 0
0.154 * [taylor]: Taking taylor expansion of (+ x 0.3333333333333333) in x
0.154 * [taylor]: Taking taylor expansion of x in x
0.154 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.154 * [taylor]: Taking taylor expansion of (+ x 0.3333333333333333) in x
0.154 * [taylor]: Taking taylor expansion of x in x
0.154 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.157 * [approximate]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in (x) around 0
0.157 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
0.157 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.157 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.157 * [taylor]: Taking taylor expansion of x in x
0.157 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
0.157 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.157 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.157 * [taylor]: Taking taylor expansion of x in x
0.163 * [approximate]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in (x) around 0
0.163 * [taylor]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in x
0.163 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.163 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.163 * [taylor]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in x
0.163 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.163 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.170 * * * * [progress]: [ 3 / 3 ] generating series at (2 1)
0.171 * [approximate]: Taking taylor expansion of (exp (+ x 0.3333333333333333)) in (x) around 0
0.171 * [taylor]: Taking taylor expansion of (exp (+ x 0.3333333333333333)) in x
0.171 * [taylor]: Taking taylor expansion of (+ x 0.3333333333333333) in x
0.171 * [taylor]: Taking taylor expansion of x in x
0.171 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.171 * [taylor]: Taking taylor expansion of (exp (+ x 0.3333333333333333)) in x
0.171 * [taylor]: Taking taylor expansion of (+ x 0.3333333333333333) in x
0.171 * [taylor]: Taking taylor expansion of x in x
0.171 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.181 * [approximate]: Taking taylor expansion of (exp (+ 0.3333333333333333 (/ 1 x))) in (x) around 0
0.181 * [taylor]: Taking taylor expansion of (exp (+ 0.3333333333333333 (/ 1 x))) in x
0.181 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
0.181 * [taylor]: Taking taylor expansion of 0.3333333333333333 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 (exp (+ 0.3333333333333333 (/ 1 x))) in x
0.181 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
0.181 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.181 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.181 * [taylor]: Taking taylor expansion of x in x
0.182 * [approximate]: Taking taylor expansion of (exp (- 0.3333333333333333 (/ 1 x))) in (x) around 0
0.182 * [taylor]: Taking taylor expansion of (exp (- 0.3333333333333333 (/ 1 x))) in x
0.182 * [taylor]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in x
0.183 * [taylor]: Taking taylor expansion of 0.3333333333333333 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 (exp (- 0.3333333333333333 (/ 1 x))) in x
0.183 * [taylor]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in x
0.183 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.184 * * * [progress]: simplifying candidates
0.185 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (log (exp (+ x (/ 1.0 3.0)))))
  (log1p (log (exp (+ x (/ 1.0 3.0)))))
  (log (exp x))
  (log (exp (/ 1.0 3.0)))
  (log (* (cbrt (exp (+ x (/ 1.0 3.0)))) (cbrt (exp (+ x (/ 1.0 3.0))))))
  (log (cbrt (exp (+ x (/ 1.0 3.0)))))
  (log (sqrt (exp (+ x (/ 1.0 3.0)))))
  (log (sqrt (exp (+ x (/ 1.0 3.0)))))
  (log 1)
  (log (exp (+ x (/ 1.0 3.0))))
  (log (exp (+ x (/ 1.0 3.0))))
  (log (exp (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0))))))
  (log (exp (sqrt (+ x (/ 1.0 3.0)))))
  (log (exp 1))
  (log (exp 1))
  (log (log (exp (+ x (/ 1.0 3.0)))))
  (exp (log (exp (+ x (/ 1.0 3.0)))))
  (* (cbrt (log (exp (+ x (/ 1.0 3.0))))) (cbrt (log (exp (+ x (/ 1.0 3.0))))))
  (cbrt (log (exp (+ x (/ 1.0 3.0)))))
  (* (* (log (exp (+ x (/ 1.0 3.0)))) (log (exp (+ x (/ 1.0 3.0))))) (log (exp (+ x (/ 1.0 3.0)))))
  (sqrt (log (exp (+ x (/ 1.0 3.0)))))
  (sqrt (log (exp (+ x (/ 1.0 3.0)))))
  (expm1 (+ x (/ 1.0 3.0)))
  (log1p (+ x (/ 1.0 3.0)))
  (* (exp x) (exp (/ 1.0 3.0)))
  (log (+ x (/ 1.0 3.0)))
  (exp (+ x (/ 1.0 3.0)))
  (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0))))
  (cbrt (+ x (/ 1.0 3.0)))
  (* (* (+ x (/ 1.0 3.0)) (+ x (/ 1.0 3.0))) (+ x (/ 1.0 3.0)))
  (sqrt (+ x (/ 1.0 3.0)))
  (sqrt (+ x (/ 1.0 3.0)))
  (+ (pow x 3) (pow (/ 1.0 3.0) 3))
  (+ (* x x) (- (* (/ 1.0 3.0) (/ 1.0 3.0)) (* x (/ 1.0 3.0))))
  (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (- x (/ 1.0 3.0))
  (+ x (/ 1.0 3.0))
  (expm1 (exp (+ x (/ 1.0 3.0))))
  (log1p (exp (+ x (/ 1.0 3.0))))
  (exp (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0)))))
  (exp (sqrt (+ x (/ 1.0 3.0))))
  (exp 1)
  (exp 1)
  (exp x)
  (exp (/ 1.0 3.0))
  (log (exp (+ x (/ 1.0 3.0))))
  (exp (exp (+ x (/ 1.0 3.0))))
  (* (cbrt (exp (+ x (/ 1.0 3.0)))) (cbrt (exp (+ x (/ 1.0 3.0)))))
  (cbrt (exp (+ x (/ 1.0 3.0))))
  (* (* (exp (+ x (/ 1.0 3.0))) (exp (+ x (/ 1.0 3.0)))) (exp (+ x (/ 1.0 3.0))))
  (sqrt (exp (+ x (/ 1.0 3.0))))
  (sqrt (exp (+ x (/ 1.0 3.0))))
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (+ (exp 0.3333333333333333) (+ (* (exp 0.3333333333333333) x) (* 1/2 (* (exp 0.3333333333333333) (pow x 2)))))
  (exp (+ x 0.3333333333333333))
  (exp (+ x 0.3333333333333333))
0.189 * * [simplify]: iteration  0 :  146  enodes  (cost  213 )
0.192 * * [simplify]: iteration  1 :  469  enodes  (cost  191 )
0.198 * * [simplify]: iteration  2 :  1206  enodes  (cost  189 )
0.215 * * [simplify]: iteration  3 :  3543  enodes  (cost  188 )
0.276 * * [simplify]: iteration  4 :  5001  enodes  (cost  188 )
0.277 * [simplify]: Simplified to:
   (expm1 (+ x (/ 1.0 3.0)))
  (log1p (+ x (/ 1.0 3.0)))
  x
  (/ 1.0 3.0)
  (* 2 (log (cbrt (exp (+ x (/ 1.0 3.0))))))
  (log (cbrt (exp (+ x (/ 1.0 3.0)))))
  (log (sqrt (exp (+ x (/ 1.0 3.0)))))
  (log (sqrt (exp (+ x (/ 1.0 3.0)))))
  0
  (+ x (/ 1.0 3.0))
  (+ x (/ 1.0 3.0))
  (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0))))
  (sqrt (+ x (/ 1.0 3.0)))
  1
  1
  (log (+ x (/ 1.0 3.0)))
  (exp (+ x (/ 1.0 3.0)))
  (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0))))
  (cbrt (+ x (/ 1.0 3.0)))
  (pow (+ x (/ 1.0 3.0)) 3)
  (sqrt (+ x (/ 1.0 3.0)))
  (sqrt (+ x (/ 1.0 3.0)))
  (expm1 (+ x (/ 1.0 3.0)))
  (log1p (+ x (/ 1.0 3.0)))
  (exp (+ x (/ 1.0 3.0)))
  (log (+ x (/ 1.0 3.0)))
  (exp (+ x (/ 1.0 3.0)))
  (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0))))
  (cbrt (+ x (/ 1.0 3.0)))
  (pow (+ x (/ 1.0 3.0)) 3)
  (sqrt (+ x (/ 1.0 3.0)))
  (sqrt (+ x (/ 1.0 3.0)))
  (+ (pow x 3) (pow (/ 1.0 3.0) 3))
  (fma x x (* (/ 1.0 3.0) (- (/ 1.0 3.0) x)))
  (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (- x (/ 1.0 3.0))
  (+ x (/ 1.0 3.0))
  (expm1 (exp (+ x (/ 1.0 3.0))))
  (log1p (exp (+ x (/ 1.0 3.0))))
  (exp (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0)))))
  (exp (sqrt (+ x (/ 1.0 3.0))))
  E
  E
  (exp x)
  (exp (/ 1.0 3.0))
  (+ x (/ 1.0 3.0))
  (exp (exp (+ x (/ 1.0 3.0))))
  (* (cbrt (exp (+ x (/ 1.0 3.0)))) (cbrt (exp (+ x (/ 1.0 3.0)))))
  (cbrt (exp (+ x (/ 1.0 3.0))))
  (pow (exp (+ x (/ 1.0 3.0))) 3)
  (sqrt (exp (+ x (/ 1.0 3.0))))
  (sqrt (exp (+ x (/ 1.0 3.0))))
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (* (exp 0.3333333333333333) (+ (fma (* 1/2 x) x 1) x))
  (exp (+ x 0.3333333333333333))
  (exp (+ x 0.3333333333333333))
0.278 * * * [progress]: adding candidates to table
0.359 * [progress]: [Phase 3 of 3] Extracting.
0.359 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (log (exp (+ x (/ 1.0 3.0)))))> #<alt (λ (x) (+ x (/ 1.0 3.0)))>)
0.359 * * * [regime-changes]: Trying 2 branch expressions: ((+ x (/ 1.0 3.0)) x)
0.359 * * * * [regimes]: Trying to branch on (+ x (/ 1.0 3.0)) from (#<alt (λ (x) (log (exp (+ x (/ 1.0 3.0)))))> #<alt (λ (x) (+ x (/ 1.0 3.0)))>)
0.368 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (log (exp (+ x (/ 1.0 3.0)))))> #<alt (λ (x) (+ x (/ 1.0 3.0)))>)
0.377 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.377 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ x (/ 1.0 3.0))
0.377 * * [simplify]: iteration  0 :  6  enodes  (cost  2 )
0.378 * * [simplify]: iteration  1 :  6  enodes  (cost  2 )
0.378 * [simplify]: Simplified to:
   (+ x (/ 1.0 3.0))
0.701 * [regime-testing]: Baseline error score: 0.008876109513689211
0.701 * [regime-testing]: Oracle error score: 0.005500687585948244
0.702 * [regime-testing]: End program error score: 0.008876109513689211