63.466 * [progress]: [Phase 1 of 3] Setting up.
0.005 * * * [progress]: [1/2] Preparing points
0.033 * * * [progress]: [2/2] Setting up program.
0.038 * [progress]: [Phase 2 of 3] Improving.
0.038 * [simplify]: Simplifying:
  (- (* (* x x) 2.0) 1.0)
0.038 * * [simplify]: iteration 0: 6 enodes
0.041 * * [simplify]: iteration 1: 12 enodes
0.047 * * [simplify]: iteration 2: 17 enodes
0.054 * * [simplify]: iteration 3: 20 enodes
0.060 * * [simplify]: iteration complete: 20 enodes
0.060 * * [simplify]: Extracting #0: cost 1 inf + 0
0.060 * * [simplify]: Extracting #1: cost 8 inf + 0
0.060 * * [simplify]: Extracting #2: cost 3 inf + 85
0.060 * * [simplify]: Extracting #3: cost 0 inf + 332
0.061 * [simplify]: Simplified to:
  (- (* 2.0 (* x x)) 1.0)
0.062 * * [progress]: iteration 1 / 4
0.062 * * * [progress]: picking best candidate
0.067 * * * * [pick]: Picked  #<alt (λ (x) (- (* (* x x) 2.0) 1.0))>
0.067 * * * [progress]: localizing error
0.081 * * * [progress]: generating rewritten candidates
0.081 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.120 * * * [progress]: generating series expansions
0.120 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.120 * [backup-simplify]: Simplify (* (* x x) 2.0) into (* 2.0 (pow x 2))
0.120 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0
0.120 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.120 * [taylor]: Taking taylor expansion of 2.0 in x
0.120 * [backup-simplify]: Simplify 2.0 into 2.0
0.120 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 1 into 1
0.120 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.120 * [taylor]: Taking taylor expansion of 2.0 in x
0.120 * [backup-simplify]: Simplify 2.0 into 2.0
0.120 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (* 1 1) into 1
0.122 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.122 * [backup-simplify]: Simplify 2.0 into 2.0
0.122 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.123 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0
0.123 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.125 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.125 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.127 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.130 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.130 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.133 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.133 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.137 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify (* 2.0 (pow x 2)) into (* 2.0 (pow x 2))
0.137 * [backup-simplify]: Simplify (* (* (/ 1 x) (/ 1 x)) 2.0) into (/ 2.0 (pow x 2))
0.137 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.137 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.137 * [taylor]: Taking taylor expansion of 2.0 in x
0.137 * [backup-simplify]: Simplify 2.0 into 2.0
0.137 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.138 * [backup-simplify]: Simplify (* 1 1) into 1
0.138 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.138 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.138 * [taylor]: Taking taylor expansion of 2.0 in x
0.138 * [backup-simplify]: Simplify 2.0 into 2.0
0.138 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [backup-simplify]: Simplify 0 into 0
0.138 * [backup-simplify]: Simplify 1 into 1
0.139 * [backup-simplify]: Simplify (* 1 1) into 1
0.139 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.139 * [backup-simplify]: Simplify 2.0 into 2.0
0.140 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.141 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0
0.141 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.143 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.143 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.145 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.145 * [backup-simplify]: Simplify 0 into 0
0.146 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.147 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.150 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.150 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.153 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 x)) 2)) into (* 2.0 (pow x 2))
0.154 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (/ 1 (- x))) 2.0) into (/ 2.0 (pow x 2))
0.154 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.154 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.154 * [taylor]: Taking taylor expansion of 2.0 in x
0.154 * [backup-simplify]: Simplify 2.0 into 2.0
0.154 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.154 * [taylor]: Taking taylor expansion of x in x
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 1 into 1
0.154 * [backup-simplify]: Simplify (* 1 1) into 1
0.155 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.155 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.155 * [taylor]: Taking taylor expansion of 2.0 in x
0.155 * [backup-simplify]: Simplify 2.0 into 2.0
0.155 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.155 * [taylor]: Taking taylor expansion of x in x
0.155 * [backup-simplify]: Simplify 0 into 0
0.155 * [backup-simplify]: Simplify 1 into 1
0.155 * [backup-simplify]: Simplify (* 1 1) into 1
0.156 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.156 * [backup-simplify]: Simplify 2.0 into 2.0
0.157 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.157 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0
0.157 * [backup-simplify]: Simplify 0 into 0
0.158 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.159 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.159 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.171 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.171 * [backup-simplify]: Simplify 0 into 0
0.173 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.174 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.174 * [backup-simplify]: Simplify 0 into 0
0.175 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.176 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.177 * [backup-simplify]: Simplify 0 into 0
0.178 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.179 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.179 * [backup-simplify]: Simplify 0 into 0
0.179 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 (- x))) 2)) into (* 2.0 (pow x 2))
0.180 * * * [progress]: simplifying candidates
0.180 * [simplify]: Simplifying:
  (expm1 (* (* x x) 2.0))
  (log1p (* (* x x) 2.0))
  (* (* x x) 2.0)
  (* (* x x) 2.0)
  (+ (+ (log x) (log x)) (log 2.0))
  (+ (log (* x x)) (log 2.0))
  (log (* (* x x) 2.0))
  (exp (* (* x x) 2.0))
  (* (* (* (* x x) x) (* (* x x) x)) (* (* 2.0 2.0) 2.0))
  (* (* (* (* x x) (* x x)) (* x x)) (* (* 2.0 2.0) 2.0))
  (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0)))
  (cbrt (* (* x x) 2.0))
  (* (* (* (* x x) 2.0) (* (* x x) 2.0)) (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (* x (sqrt 2.0))
  (* x (sqrt 2.0))
  (* (* x x) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x x) (sqrt 2.0))
  (* (* x x) 1)
  (* x 2.0)
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
0.181 * * [simplify]: iteration 0: 39 enodes
0.204 * * [simplify]: iteration 1: 98 enodes
0.284 * * [simplify]: iteration 2: 310 enodes
0.705 * * [simplify]: iteration 3: 1075 enodes
2.421 * * [simplify]: iteration complete: 5000 enodes
2.421 * * [simplify]: Extracting #0: cost 14 inf + 0
2.423 * * [simplify]: Extracting #1: cost 486 inf + 0
2.438 * * [simplify]: Extracting #2: cost 1456 inf + 9912
2.478 * * [simplify]: Extracting #3: cost 812 inf + 130049
2.571 * * [simplify]: Extracting #4: cost 50 inf + 246888
2.733 * * [simplify]: Extracting #5: cost 0 inf + 256207
2.903 * * [simplify]: Extracting #6: cost 0 inf + 255687
3.002 * * [simplify]: Extracting #7: cost 0 inf + 255527
3.094 * * [simplify]: Extracting #8: cost 0 inf + 255487
3.198 * [simplify]: Simplified to:
  (expm1 (* x (* x 2.0)))
  (log1p (* x (* x 2.0)))
  (* x (* x 2.0))
  (* x (* x 2.0))
  (log (* x (* x 2.0)))
  (log (* x (* x 2.0)))
  (log (* x (* x 2.0)))
  (exp (* x (* x 2.0)))
  (* (* (* x (* x 2.0)) (* x (* x 2.0))) (* x (* x 2.0)))
  (* (* (* x (* x 2.0)) (* x (* x 2.0))) (* x (* x 2.0)))
  (* (cbrt (* x (* x 2.0))) (cbrt (* x (* x 2.0))))
  (cbrt (* x (* x 2.0)))
  (* (* (* x (* x 2.0)) (* x (* x 2.0))) (* x (* x 2.0)))
  (sqrt (* x (* x 2.0)))
  (sqrt (* x (* x 2.0)))
  (* x (sqrt 2.0))
  (* x (sqrt 2.0))
  (* (* (cbrt 2.0) x) (* (cbrt 2.0) x))
  (* x (* x (sqrt 2.0)))
  (* x x)
  (* x 2.0)
  (* x (* x 2.0))
  (* x (* x 2.0))
  (* x (* x 2.0))
3.200 * * * [progress]: adding candidates to table
3.295 * [progress]: [Phase 3 of 3] Extracting.
3.299 * [simplify]: Simplifying:
  (- (* (* x x) 2.0) 1.0)
3.299 * * [simplify]: iteration 0: 6 enodes
3.299 * * [simplify]: iteration 1: 7 enodes
3.300 * * [simplify]: iteration complete: 7 enodes
3.300 * * [simplify]: Extracting #0: cost 1 inf + 0
3.300 * * [simplify]: Extracting #1: cost 3 inf + 0
3.300 * * [simplify]: Extracting #2: cost 4 inf + 1
3.300 * * [simplify]: Extracting #3: cost 4 inf + 2
3.300 * * [simplify]: Extracting #4: cost 2 inf + 44
3.300 * * [simplify]: Extracting #5: cost 0 inf + 249
3.300 * [simplify]: Simplified to:
  (- (* 2.0 (* x x)) 1.0)
6.010 * [regime-testing]: Baseline error score: 0.0016297254172463413
6.027 * [regime-testing]: Oracle error score: 0.0016297254172463413
6.027 * [regime-testing]: End program error score: 0.0016297254172463413