13.015 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.016 * [simplify]: Simplifying:
  (- (* (* x x) 2.0) 1.0)
0.016 * * [simplify]: Extracting # 0 : cost  0
0.016 * * [simplify]: Extracting # 1 : cost  0
0.016 * * [simplify]: Extracting # 2 : cost  0
0.016 * * [simplify]: Extracting # 3 : cost  0
0.016 * * [simplify]: Extracting # 4 : cost  0
0.016 * * [simplify]: Extracting # 5 : cost  0
0.016 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.018 * * [simplify]: Extracting # 0 : cost  0
0.018 * * [simplify]: Extracting # 1 : cost  0
0.018 * * [simplify]: Extracting # 2 : cost  0
0.018 * * [simplify]: iteration  1 :  12  enodes  (cost  7 )
0.020 * * [simplify]: Extracting # 0 : cost  0
0.020 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.026 * * [simplify]: Extracting # 0 : cost  0
0.026 * * [simplify]: iteration  3 :  19  enodes  (cost  7 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: iteration done:  19  enodes  (cost  7 )
0.039 * [simplify]: Simplified to:
  (- (* (* x x) 2.0) 1.0)
0.040 * * [progress]: iteration 1 / 4
0.040 * * * [progress]: picking best candidate
0.042 * * * * [pick]: Picked  #<alt (λ (x) (- (* (* x x) 2.0) 1.0))>
0.042 * * * [progress]: localizing error
0.051 * * * [progress]: generating rewritten candidates
0.052 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.088 * * * [progress]: generating series expansions
0.088 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.088 * [backup-simplify]: Simplify (* (* x x) 2.0) into (* 2.0 (pow x 2))
0.088 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0
0.088 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.088 * [taylor]: Taking taylor expansion of 2.0 in x
0.088 * [backup-simplify]: Simplify 2.0 into 2.0
0.088 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify 1 into 1
0.088 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.088 * [taylor]: Taking taylor expansion of 2.0 in x
0.088 * [backup-simplify]: Simplify 2.0 into 2.0
0.088 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify 1 into 1
0.089 * [backup-simplify]: Simplify (* 1 1) into 1
0.089 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.090 * [backup-simplify]: Simplify 2.0 into 2.0
0.090 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.091 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0
0.091 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.093 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.095 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.095 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.097 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.100 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.100 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.103 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify (* 2.0 (pow x 2)) into (* 2.0 (pow x 2))
0.103 * [backup-simplify]: Simplify (* (* (/ 1 x) (/ 1 x)) 2.0) into (/ 2.0 (pow x 2))
0.103 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.103 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.103 * [taylor]: Taking taylor expansion of 2.0 in x
0.103 * [backup-simplify]: Simplify 2.0 into 2.0
0.103 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify 1 into 1
0.104 * [backup-simplify]: Simplify (* 1 1) into 1
0.104 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.104 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.104 * [taylor]: Taking taylor expansion of 2.0 in x
0.104 * [backup-simplify]: Simplify 2.0 into 2.0
0.104 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.105 * [taylor]: Taking taylor expansion of x in x
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 1 into 1
0.105 * [backup-simplify]: Simplify (* 1 1) into 1
0.105 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.105 * [backup-simplify]: Simplify 2.0 into 2.0
0.106 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.107 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.109 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.111 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.111 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.113 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.113 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.115 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.115 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.118 * [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
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 x)) 2)) into (* 2.0 (pow x 2))
0.118 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (/ 1 (- x))) 2.0) into (/ 2.0 (pow x 2))
0.118 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.118 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.118 * [taylor]: Taking taylor expansion of 2.0 in x
0.118 * [backup-simplify]: Simplify 2.0 into 2.0
0.118 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (* 1 1) into 1
0.119 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.119 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.119 * [taylor]: Taking taylor expansion of 2.0 in x
0.119 * [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 * [backup-simplify]: Simplify (* 1 1) into 1
0.120 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.120 * [backup-simplify]: Simplify 2.0 into 2.0
0.121 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.122 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0
0.122 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.124 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.124 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.126 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.126 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.128 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.130 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.130 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.133 * [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
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 (- x))) 2)) into (* 2.0 (pow x 2))
0.133 * * * [progress]: simplifying candidates
0.134 * [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))
0.135 * * [simplify]: Extracting # 0 : cost  0
0.135 * * [simplify]: Extracting # 1 : cost  0
0.135 * * [simplify]: Extracting # 2 : cost  0
0.135 * * [simplify]: Extracting # 3 : cost  0
0.135 * * [simplify]: Extracting # 4 : cost  0
0.135 * * [simplify]: Extracting # 5 : cost  0
0.136 * * [simplify]: iteration  0 :  39  enodes  (cost  177 )
0.152 * * [simplify]: Extracting # 0 : cost  0
0.152 * * [simplify]: Extracting # 1 : cost  0
0.152 * * [simplify]: Extracting # 2 : cost  0
0.153 * * [simplify]: iteration  1 :  89  enodes  (cost  172 )
0.201 * * [simplify]: Extracting # 0 : cost  0
0.201 * * [simplify]: Extracting # 1 : cost  0
0.202 * * [simplify]: Extracting # 2 : cost  0
0.202 * * [simplify]: Extracting # 3 : cost  0
0.202 * * [simplify]: Extracting # 4 : cost  0
0.202 * * [simplify]: iteration  2 :  288  enodes  (cost  142 )
0.481 * * [simplify]: Extracting # 0 : cost  0
0.481 * * [simplify]: Extracting # 1 : cost  0
0.482 * * [simplify]: Extracting # 2 : cost  0
0.482 * * [simplify]: Extracting # 3 : cost  0
0.483 * * [simplify]: Extracting # 4 : cost  0
0.483 * * [simplify]: iteration  3 :  637  enodes  (cost  142 )
1.149 * * [simplify]: Extracting # 0 : cost  0
1.151 * * [simplify]: Extracting # 1 : cost  0
1.152 * * [simplify]: Extracting # 2 : cost  0
1.153 * * [simplify]: Extracting # 3 : cost  0
1.154 * * [simplify]: Extracting # 4 : cost  0
1.155 * * [simplify]: iteration  4 :  919  enodes  (cost  142 )
2.681 * * [simplify]: Extracting # 0 : cost  0
2.685 * * [simplify]: Extracting # 1 : cost  0
2.688 * * [simplify]: Extracting # 2 : cost  0
2.691 * * [simplify]: Extracting # 3 : cost  0
2.694 * * [simplify]: Extracting # 4 : cost  0
2.697 * * [simplify]: iteration  5 :  2318  enodes  (cost  142 )
5.093 * * [simplify]: Extracting # 0 : cost  0
5.098 * * [simplify]: Extracting # 1 : cost  0
5.103 * * [simplify]: Extracting # 2 : cost  0
5.108 * * [simplify]: Extracting # 3 : cost  0
5.113 * * [simplify]: Extracting # 4 : cost  0
5.118 * * [simplify]: iteration done:  5000  enodes  (cost  142 )
5.118 * [simplify]: Simplified to:
  (expm1 (* (* x x) 2.0))
  (log1p (* (* x x) 2.0))
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
  (log (* 2.0 (pow x 2)))
  (log (* 2.0 (pow x 2)))
  (log (* 2.0 (pow x 2)))
  (exp (* (* x x) 2.0))
  (pow (* 2.0 (pow x 2)) 3)
  (pow (* 2.0 (pow x 2)) 3)
  (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0)))
  (cbrt (* (* x x) 2.0))
  (pow (* 2.0 (pow x 2)) 3)
  (sqrt (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (* (sqrt 2.0) x)
  (* (sqrt 2.0) x)
  (* (* x x) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x x) (sqrt 2.0))
  (* x x)
  (* x 2.0)
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
5.118 * * * [progress]: adding candidates to table
5.176 * [progress]: [Phase 3 of 3] Extracting.
5.178 * [simplify]: Simplifying:
  (- (* (* x x) 2.0) 1.0)
5.178 * * [simplify]: Extracting # 0 : cost  0
5.178 * * [simplify]: Extracting # 1 : cost  0
5.178 * * [simplify]: Extracting # 2 : cost  0
5.178 * * [simplify]: Extracting # 3 : cost  0
5.178 * * [simplify]: Extracting # 4 : cost  0
5.178 * * [simplify]: Extracting # 5 : cost  0
5.178 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
5.179 * * [simplify]: Extracting # 0 : cost  0
5.179 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
5.180 * * [simplify]: Extracting # 0 : cost  0
5.180 * * [simplify]: iteration done:  7  enodes  (cost  7 )
5.180 * [simplify]: Simplified to:
  (- (* (* x x) 2.0) 1.0)
6.090 * [regime-testing]: Baseline error score: 0.002159785523849761
6.092 * [regime-testing]: Oracle error score: 0.002159785523849761
6.092 * [regime-testing]: End program error score: 0.002159785523849761