18.211 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.023 * * * [progress]: [2/2] Setting up program.
0.025 * [progress]: [Phase 2 of 3] Improving.
0.026 * [simplify]: Simplifying:
  (- (* (* x x) 2.0) 1.0)
0.026 * * [simplify]: Extracting # 0 : cost  0
0.026 * * [simplify]: Extracting # 1 : cost  0
0.026 * * [simplify]: Extracting # 2 : cost  0
0.026 * * [simplify]: Extracting # 3 : cost  0
0.026 * * [simplify]: Extracting # 4 : cost  0
0.026 * * [simplify]: Extracting # 5 : cost  0
0.026 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.028 * * [simplify]: Extracting # 0 : cost  0
0.028 * * [simplify]: Extracting # 1 : cost  0
0.029 * * [simplify]: Extracting # 2 : cost  0
0.029 * * [simplify]: iteration  1 :  12  enodes  (cost  7 )
0.033 * * [simplify]: Extracting # 0 : cost  0
0.033 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.038 * * [simplify]: Extracting # 0 : cost  0
0.038 * * [simplify]: iteration  3 :  19  enodes  (cost  7 )
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: iteration done:  19  enodes  (cost  7 )
0.043 * [simplify]: Simplified to:
  (- (* (* x x) 2.0) 1.0)
0.044 * * [progress]: iteration 1 / 4
0.044 * * * [progress]: picking best candidate
0.045 * * * * [pick]: Picked  #<alt (λ (x) (- (* (* x x) 2.0) 1.0))>
0.045 * * * [progress]: localizing error
0.052 * * * [progress]: generating rewritten candidates
0.052 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.079 * * * [progress]: generating series expansions
0.079 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.080 * [backup-simplify]: Simplify (* (* x x) 2.0) into (* 2.0 (pow x 2))
0.080 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0
0.080 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.080 * [taylor]: Taking taylor expansion of 2.0 in x
0.080 * [backup-simplify]: Simplify 2.0 into 2.0
0.080 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.080 * [taylor]: Taking taylor expansion of 2.0 in x
0.080 * [backup-simplify]: Simplify 2.0 into 2.0
0.080 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.081 * [backup-simplify]: Simplify (* 1 1) into 1
0.081 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.081 * [backup-simplify]: Simplify 2.0 into 2.0
0.082 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.082 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0
0.082 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.084 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.084 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.086 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.088 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.088 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.090 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.093 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify (* 2.0 (pow x 2)) into (* 2.0 (pow x 2))
0.094 * [backup-simplify]: Simplify (* (* (/ 1 x) (/ 1 x)) 2.0) into (/ 2.0 (pow x 2))
0.094 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.094 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.094 * [taylor]: Taking taylor expansion of 2.0 in x
0.094 * [backup-simplify]: Simplify 2.0 into 2.0
0.094 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [backup-simplify]: Simplify (* 1 1) into 1
0.095 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.095 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.095 * [taylor]: Taking taylor expansion of 2.0 in x
0.095 * [backup-simplify]: Simplify 2.0 into 2.0
0.095 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.095 * [taylor]: Taking taylor expansion of x in x
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 1 into 1
0.095 * [backup-simplify]: Simplify (* 1 1) into 1
0.096 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.096 * [backup-simplify]: Simplify 2.0 into 2.0
0.096 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.097 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.099 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.099 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.100 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 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 1))))) into 0
0.102 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.103 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.103 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.105 * [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
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 x)) 2)) into (* 2.0 (pow x 2))
0.105 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (/ 1 (- x))) 2.0) into (/ 2.0 (pow x 2))
0.105 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.105 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.105 * [taylor]: Taking taylor expansion of 2.0 in x
0.105 * [backup-simplify]: Simplify 2.0 into 2.0
0.105 * [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
0.106 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.106 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.106 * [taylor]: Taking taylor expansion of 2.0 in x
0.106 * [backup-simplify]: Simplify 2.0 into 2.0
0.106 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.106 * [taylor]: Taking taylor expansion of x in x
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify 1 into 1
0.106 * [backup-simplify]: Simplify (* 1 1) into 1
0.106 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.106 * [backup-simplify]: Simplify 2.0 into 2.0
0.107 * [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
0.108 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.108 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.116 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.116 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify (+ (* 1 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)))) into 0
0.118 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.119 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.119 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.121 * [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
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 (- x))) 2)) into (* 2.0 (pow x 2))
0.121 * * * [progress]: simplifying candidates
0.122 * [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))
0.122 * * [simplify]: Extracting # 0 : cost  0
0.122 * * [simplify]: Extracting # 1 : cost  0
0.122 * * [simplify]: Extracting # 2 : cost  0
0.122 * * [simplify]: Extracting # 3 : cost  0
0.123 * * [simplify]: Extracting # 4 : cost  0
0.123 * * [simplify]: Extracting # 5 : cost  0
0.123 * * [simplify]: iteration  0 :  39  enodes  (cost  177 )
0.132 * * [simplify]: Extracting # 0 : cost  0
0.133 * * [simplify]: Extracting # 1 : cost  0
0.133 * * [simplify]: Extracting # 2 : cost  0
0.133 * * [simplify]: iteration  1 :  106  enodes  (cost  172 )
0.224 * * [simplify]: Extracting # 0 : cost  0
0.225 * * [simplify]: Extracting # 1 : cost  0
0.226 * * [simplify]: Extracting # 2 : cost  0
0.227 * * [simplify]: Extracting # 3 : cost  0
0.228 * * [simplify]: Extracting # 4 : cost  0
0.228 * * [simplify]: iteration  2 :  710  enodes  (cost  142 )
0.660 * * [simplify]: Extracting # 0 : cost  0
0.667 * * [simplify]: Extracting # 1 : cost  0
0.674 * * [simplify]: Extracting # 2 : cost  0
0.680 * * [simplify]: Extracting # 3 : cost  0
0.690 * * [simplify]: Extracting # 4 : cost  0
0.701 * * [simplify]: iteration done:  5001  enodes  (cost  142 )
0.701 * [simplify]: Simplified to:
  (expm1 (* (* x x) 2.0))
  (log1p (* (* x x) 2.0))
  (* (* 2.0 x) x)
  (* (* 2.0 x) x)
  (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))
  (* x (sqrt 2.0))
  (* x (sqrt 2.0))
  (* (* x x) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x x) (sqrt 2.0))
  (* x x)
  (* x 2.0)
  (* (* 2.0 x) x)
  (* (* 2.0 x) x)
  (* (* 2.0 x) x)
0.701 * * * [progress]: adding candidates to table
0.770 * [progress]: [Phase 3 of 3] Extracting.
0.772 * [simplify]: Simplifying:
  (- (* (* x x) 2.0) 1.0)
0.772 * * [simplify]: Extracting # 0 : cost  0
0.772 * * [simplify]: Extracting # 1 : cost  0
0.772 * * [simplify]: Extracting # 2 : cost  0
0.772 * * [simplify]: Extracting # 3 : cost  0
0.772 * * [simplify]: Extracting # 4 : cost  0
0.772 * * [simplify]: Extracting # 5 : cost  0
0.772 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.773 * * [simplify]: Extracting # 0 : cost  0
0.773 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
0.773 * * [simplify]: Extracting # 0 : cost  0
0.773 * * [simplify]: iteration done:  7  enodes  (cost  7 )
0.773 * [simplify]: Simplified to:
  (- (* (* x x) 2.0) 1.0)
1.586 * [regime-testing]: Baseline error score: 0.0020421790667200807
1.599 * [regime-testing]: Oracle error score: 0.0020421790667200807
1.599 * [regime-testing]: End program error score: 0.0020421790667200807