36.561 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying:
  (- (* x x) 1.0)
0.014 * * [simplify]: iteration 0: 4 enodes
0.015 * * [simplify]: iteration 1: 6 enodes
0.017 * * [simplify]: iteration 2: 7 enodes
0.018 * * [simplify]: iteration complete: 7 enodes
0.019 * * [simplify]: Extracting #0: cost 1 inf + 0
0.019 * * [simplify]: Extracting #1: cost 4 inf + 0
0.019 * * [simplify]: Extracting #2: cost 3 inf + 42
0.019 * * [simplify]: Extracting #3: cost 2 inf + 43
0.019 * * [simplify]: Extracting #4: cost 0 inf + 166
0.019 * [simplify]: Simplified to:
  (- (* x x) 1.0)
0.020 * * [progress]: iteration 1 / 4
0.020 * * * [progress]: picking best candidate
0.030 * * * * [pick]: Picked  #<alt (λ (x) (- (* x x) 1.0))>
0.030 * * * [progress]: localizing error
0.039 * * * [progress]: generating rewritten candidates
0.039 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.052 * * * [progress]: generating series expansions
0.052 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.052 * [backup-simplify]: Simplify (- (* x x) 1.0) into (- (pow x 2) 1.0)
0.052 * [approximate]: Taking taylor expansion of (- (pow x 2) 1.0) in (x) around 0
0.052 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.052 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.052 * [backup-simplify]: Simplify 0 into 0
0.052 * [backup-simplify]: Simplify 1 into 1
0.052 * [taylor]: Taking taylor expansion of 1.0 in x
0.052 * [backup-simplify]: Simplify 1.0 into 1.0
0.052 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.052 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.052 * [backup-simplify]: Simplify 0 into 0
0.052 * [backup-simplify]: Simplify 1 into 1
0.052 * [taylor]: Taking taylor expansion of 1.0 in x
0.052 * [backup-simplify]: Simplify 1.0 into 1.0
0.053 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.054 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
0.054 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.055 * [backup-simplify]: Simplify (- 0) into 0
0.055 * [backup-simplify]: Simplify (+ 0 0) into 0
0.055 * [backup-simplify]: Simplify 0 into 0
0.056 * [backup-simplify]: Simplify (* 1 1) into 1
0.056 * [backup-simplify]: Simplify (- 0) into 0
0.056 * [backup-simplify]: Simplify (+ 1 0) into 1
0.057 * [backup-simplify]: Simplify 1 into 1
0.057 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.058 * [backup-simplify]: Simplify (- 0) into 0
0.058 * [backup-simplify]: Simplify (+ 0 0) into 0
0.058 * [backup-simplify]: Simplify 0 into 0
0.059 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.059 * [backup-simplify]: Simplify (- 0) into 0
0.060 * [backup-simplify]: Simplify (+ 0 0) into 0
0.060 * [backup-simplify]: Simplify 0 into 0
0.061 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.061 * [backup-simplify]: Simplify (- 0) into 0
0.061 * [backup-simplify]: Simplify (+ 0 0) into 0
0.061 * [backup-simplify]: Simplify 0 into 0
0.062 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.062 * [backup-simplify]: Simplify (- 0) into 0
0.063 * [backup-simplify]: Simplify (+ 0 0) into 0
0.063 * [backup-simplify]: Simplify 0 into 0
0.063 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.064 * [backup-simplify]: Simplify (- 0) into 0
0.064 * [backup-simplify]: Simplify (+ 0 0) into 0
0.064 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.065 * [backup-simplify]: Simplify (- 0) into 0
0.065 * [backup-simplify]: Simplify (+ 0 0) into 0
0.065 * [backup-simplify]: Simplify 0 into 0
0.066 * [backup-simplify]: Simplify (+ (* 1 (pow x 2)) (- 1.0)) into (- (pow x 2) 1.0)
0.066 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) 1.0) into (- (/ 1 (pow x 2)) 1.0)
0.066 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
0.066 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.066 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [backup-simplify]: Simplify 0 into 0
0.066 * [backup-simplify]: Simplify 1 into 1
0.066 * [backup-simplify]: Simplify (* 1 1) into 1
0.067 * [backup-simplify]: Simplify (/ 1 1) into 1
0.067 * [taylor]: Taking taylor expansion of 1.0 in x
0.067 * [backup-simplify]: Simplify 1.0 into 1.0
0.067 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.067 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify 1 into 1
0.067 * [backup-simplify]: Simplify (* 1 1) into 1
0.067 * [backup-simplify]: Simplify (/ 1 1) into 1
0.067 * [taylor]: Taking taylor expansion of 1.0 in x
0.067 * [backup-simplify]: Simplify 1.0 into 1.0
0.068 * [backup-simplify]: Simplify (+ 1 0) into 1
0.068 * [backup-simplify]: Simplify 1 into 1
0.068 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.068 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.069 * [backup-simplify]: Simplify (+ 0 0) into 0
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.070 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.070 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.071 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
0.071 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.072 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.072 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.072 * [backup-simplify]: Simplify (- 0) into 0
0.073 * [backup-simplify]: Simplify (+ 0 0) into 0
0.073 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.074 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.074 * [backup-simplify]: Simplify (- 0) into 0
0.074 * [backup-simplify]: Simplify (+ 0 0) into 0
0.074 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.076 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.076 * [backup-simplify]: Simplify (- 0) into 0
0.076 * [backup-simplify]: Simplify (+ 0 0) into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.078 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.078 * [backup-simplify]: Simplify (- 0) into 0
0.078 * [backup-simplify]: Simplify (+ 0 0) into 0
0.078 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.080 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.080 * [backup-simplify]: Simplify (- 0) into 0
0.080 * [backup-simplify]: Simplify (+ 0 0) into 0
0.080 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))))) into 0
0.082 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.082 * [backup-simplify]: Simplify (- 0) into 0
0.082 * [backup-simplify]: Simplify (+ 0 0) into 0
0.082 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify (+ (- 1.0) (* 1 (pow (/ 1 (/ 1 x)) 2))) into (- (pow x 2) 1.0)
0.083 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) 1.0) into (- (/ 1 (pow x 2)) 1.0)
0.083 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
0.083 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.083 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.083 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.083 * [taylor]: Taking taylor expansion of x in x
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 1 into 1
0.083 * [backup-simplify]: Simplify (* 1 1) into 1
0.084 * [backup-simplify]: Simplify (/ 1 1) into 1
0.084 * [taylor]: Taking taylor expansion of 1.0 in x
0.084 * [backup-simplify]: Simplify 1.0 into 1.0
0.084 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.084 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify 1 into 1
0.084 * [backup-simplify]: Simplify (* 1 1) into 1
0.084 * [backup-simplify]: Simplify (/ 1 1) into 1
0.084 * [taylor]: Taking taylor expansion of 1.0 in x
0.084 * [backup-simplify]: Simplify 1.0 into 1.0
0.085 * [backup-simplify]: Simplify (+ 1 0) into 1
0.085 * [backup-simplify]: Simplify 1 into 1
0.085 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.085 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.086 * [backup-simplify]: Simplify (+ 0 0) into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.087 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.087 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.088 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
0.088 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.088 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.089 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.089 * [backup-simplify]: Simplify (- 0) into 0
0.090 * [backup-simplify]: Simplify (+ 0 0) into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.092 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.092 * [backup-simplify]: Simplify (- 0) into 0
0.093 * [backup-simplify]: Simplify (+ 0 0) into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.095 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.095 * [backup-simplify]: Simplify (- 0) into 0
0.096 * [backup-simplify]: Simplify (+ 0 0) into 0
0.096 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.098 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.099 * [backup-simplify]: Simplify (- 0) into 0
0.099 * [backup-simplify]: Simplify (+ 0 0) into 0
0.099 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.102 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.102 * [backup-simplify]: Simplify (- 0) into 0
0.103 * [backup-simplify]: Simplify (+ 0 0) into 0
0.103 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))))) into 0
0.106 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.106 * [backup-simplify]: Simplify (- 0) into 0
0.106 * [backup-simplify]: Simplify (+ 0 0) into 0
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (+ (- 1.0) (* 1 (pow (/ 1 (/ 1 (- x))) 2))) into (- (pow x 2) 1.0)
0.107 * * * [progress]: simplifying candidates
0.107 * [simplify]: Simplifying:
  (/ (exp (* x x)) (exp 1.0))
  (log (- (* x x) 1.0))
  (exp (- (* x x) 1.0))
  (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))
  (cbrt (- (* x x) 1.0))
  (* (* (- (* x x) 1.0) (- (* x x) 1.0)) (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (- (pow (* x x) 3) (pow 1.0 3))
  (+ (* (* x x) (* x x)) (+ (* 1.0 1.0) (* (* x x) 1.0)))
  (- 1.0)
  (- (* (* x x) (* x x)) (* 1.0 1.0))
  (+ (* x x) 1.0)
  (+ x (sqrt 1.0))
  (- x (sqrt 1.0))
  (- 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
0.107 * * [simplify]: iteration 0: 32 enodes
0.115 * * [simplify]: iteration 1: 79 enodes
0.140 * * [simplify]: iteration 2: 194 enodes
0.203 * * [simplify]: iteration 3: 550 enodes
0.554 * * [simplify]: iteration 4: 1528 enodes
1.411 * * [simplify]: iteration complete: 5001 enodes
1.411 * * [simplify]: Extracting #0: cost 14 inf + 0
1.412 * * [simplify]: Extracting #1: cost 238 inf + 0
1.417 * * [simplify]: Extracting #2: cost 1108 inf + 115
1.430 * * [simplify]: Extracting #3: cost 1074 inf + 25612
1.475 * * [simplify]: Extracting #4: cost 313 inf + 165927
1.532 * * [simplify]: Extracting #5: cost 73 inf + 246199
1.594 * * [simplify]: Extracting #6: cost 8 inf + 265498
1.668 * * [simplify]: Extracting #7: cost 0 inf + 267672
1.736 * [simplify]: Simplified to:
  (exp (- (* x x) 1.0))
  (log (- (* x x) 1.0))
  (exp (- (* x x) 1.0))
  (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))
  (cbrt (- (* x x) 1.0))
  (* (* (- (* x x) 1.0) (- (* x x) 1.0)) (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (- (* (* x x) (* (* x x) (* x x))) (* 1.0 (* 1.0 1.0)))
  (+ (* (+ (* x x) 1.0) 1.0) (* (* x x) (* x x)))
  (- 1.0)
  (* (- (* x x) 1.0) (+ 1.0 (* x x)))
  (+ (* x x) 1.0)
  (+ x (sqrt 1.0))
  (- x (sqrt 1.0))
  (- 1.0)
  (- (* x x) 1.0)
  (- (* x x) 1.0)
  (- (* x x) 1.0)
1.737 * * * [progress]: adding candidates to table
1.783 * * [progress]: iteration 2 / 4
1.783 * * * [progress]: picking best candidate
1.786 * * * * [pick]: Picked  #<alt (λ (x) (* (+ x (sqrt 1.0)) (- x (sqrt 1.0))))>
1.786 * * * [progress]: localizing error
1.793 * * * [progress]: generating rewritten candidates
1.793 * * * [progress]: generating series expansions
1.793 * * * [progress]: simplifying candidates
1.793 * [simplify]: Simplifying:
  
1.793 * * [simplify]: iteration 0: 0 enodes
1.793 * * [simplify]: iteration complete: 0 enodes
1.793 * * [simplify]: Extracting #0: cost 0 inf + 0
1.793 * [simplify]: Simplified to:
  
1.793 * * * [progress]: adding candidates to table
1.794 * [progress]: [Phase 3 of 3] Extracting.
1.797 * [simplify]: Simplifying:
  (* (+ x (sqrt 1.0)) (- x (sqrt 1.0)))
1.797 * * [simplify]: iteration 0: 6 enodes
1.798 * * [simplify]: iteration 1: 8 enodes
1.798 * * [simplify]: iteration complete: 8 enodes
1.798 * * [simplify]: Extracting #0: cost 1 inf + 0
1.798 * * [simplify]: Extracting #1: cost 3 inf + 0
1.798 * * [simplify]: Extracting #2: cost 5 inf + 0
1.798 * * [simplify]: Extracting #3: cost 5 inf + 1
1.798 * * [simplify]: Extracting #4: cost 0 inf + 369
1.798 * [simplify]: Simplified to:
  (* (+ x (sqrt 1.0)) (- x (sqrt 1.0)))
2.519 * [regime-testing]: Baseline error score: 0.012376547068383549
2.528 * [regime-testing]: Oracle error score: 0.012376547068383549
2.528 * [regime-testing]: End program error score: 0.012376547068383549