23.278 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying:
  (- (* (* x x) 2.0) 1.0)
0.022 * * [simplify]: iteration 0: 6 enodes
0.024 * * [simplify]: iteration 1: 12 enodes
0.027 * * [simplify]: iteration 2: 18 enodes
0.030 * * [simplify]: iteration 3: 19 enodes
0.034 * * [simplify]: iteration complete: 19 enodes
0.034 * * [simplify]: Extracting #0: cost 1 inf + 0
0.034 * * [simplify]: Extracting #1: cost 8 inf + 0
0.034 * * [simplify]: Extracting #2: cost 4 inf + 44
0.034 * * [simplify]: Extracting #3: cost 0 inf + 332
0.034 * [simplify]: Simplified to:
  (- (* 2.0 (* x x)) 1.0)
0.035 * * [progress]: iteration 1 / 4
0.035 * * * [progress]: picking best candidate
0.039 * * * * [pick]: Picked  #<alt (λ (x) (- (* (* x x) 2.0) 1.0))>
0.039 * * * [progress]: localizing error
0.048 * * * [progress]: generating rewritten candidates
0.048 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.071 * * * [progress]: generating series expansions
0.071 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.072 * [backup-simplify]: Simplify (* (* x x) 2.0) into (* 2.0 (pow x 2))
0.072 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0
0.072 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.072 * [taylor]: Taking taylor expansion of 2.0 in x
0.072 * [backup-simplify]: Simplify 2.0 into 2.0
0.072 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [backup-simplify]: Simplify 0 into 0
0.072 * [backup-simplify]: Simplify 1 into 1
0.072 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.072 * [taylor]: Taking taylor expansion of 2.0 in x
0.072 * [backup-simplify]: Simplify 2.0 into 2.0
0.072 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [backup-simplify]: Simplify 0 into 0
0.072 * [backup-simplify]: Simplify 1 into 1
0.072 * [backup-simplify]: Simplify (* 1 1) into 1
0.072 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.072 * [backup-simplify]: Simplify 2.0 into 2.0
0.073 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.073 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0
0.073 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.074 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.074 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.076 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.077 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.077 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.079 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.079 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.080 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.080 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify (* 2.0 (pow x 2)) into (* 2.0 (pow x 2))
0.081 * [backup-simplify]: Simplify (* (* (/ 1 x) (/ 1 x)) 2.0) into (/ 2.0 (pow x 2))
0.081 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.081 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.081 * [taylor]: Taking taylor expansion of 2.0 in x
0.081 * [backup-simplify]: Simplify 2.0 into 2.0
0.081 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [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 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.081 * [taylor]: Taking taylor expansion of 2.0 in x
0.081 * [backup-simplify]: Simplify 2.0 into 2.0
0.081 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 1 into 1
0.082 * [backup-simplify]: Simplify (* 1 1) into 1
0.082 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.082 * [backup-simplify]: Simplify 2.0 into 2.0
0.083 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.083 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.084 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 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
0.085 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.085 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.087 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.088 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 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 0) (* 0 1))))))) into 0
0.095 * [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
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 x)) 2)) into (* 2.0 (pow x 2))
0.096 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (/ 1 (- x))) 2.0) into (/ 2.0 (pow x 2))
0.096 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.096 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.096 * [taylor]: Taking taylor expansion of 2.0 in x
0.096 * [backup-simplify]: Simplify 2.0 into 2.0
0.096 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.096 * [taylor]: Taking taylor expansion of x in x
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 1 into 1
0.096 * [backup-simplify]: Simplify (* 1 1) into 1
0.097 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.097 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.097 * [taylor]: Taking taylor expansion of 2.0 in x
0.097 * [backup-simplify]: Simplify 2.0 into 2.0
0.097 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.097 * [backup-simplify]: Simplify (* 1 1) into 1
0.097 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.097 * [backup-simplify]: Simplify 2.0 into 2.0
0.098 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.098 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0
0.098 * [backup-simplify]: Simplify 0 into 0
0.099 * [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
0.101 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.101 * [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
0.103 * [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 * * * [progress]: simplifying candidates
0.105 * [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))
0.106 * * [simplify]: iteration 0: 39 enodes
0.117 * * [simplify]: iteration 1: 106 enodes
0.199 * * [simplify]: iteration 2: 736 enodes
0.538 * * [simplify]: iteration complete: 5000 enodes
0.538 * * [simplify]: Extracting #0: cost 14 inf + 0
0.540 * * [simplify]: Extracting #1: cost 581 inf + 0
0.546 * * [simplify]: Extracting #2: cost 2210 inf + 763
0.571 * * [simplify]: Extracting #3: cost 1036 inf + 105429
0.634 * * [simplify]: Extracting #4: cost 66 inf + 228519
0.680 * * [simplify]: Extracting #5: cost 0 inf + 238603
0.743 * * [simplify]: Extracting #6: cost 0 inf + 237683
0.799 * [simplify]: Simplified to:
  (expm1 (* (* 2.0 x) x))
  (log1p (* (* 2.0 x) x))
  (* (* 2.0 x) x)
  (* (* 2.0 x) x)
  (log (* (* 2.0 x) x))
  (log (* (* 2.0 x) x))
  (log (* (* 2.0 x) x))
  (exp (* (* 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 x) x))
  (* (cbrt (* (* 2.0 x) x)) (cbrt (* (* 2.0 x) x)))
  (cbrt (* (* 2.0 x) x))
  (* (* (* (* 2.0 x) x) (* (* 2.0 x) x)) (* (* 2.0 x) x))
  (sqrt (* (* 2.0 x) x))
  (sqrt (* (* 2.0 x) x))
  (* (sqrt 2.0) x)
  (* (sqrt 2.0) x)
  (* (* x (cbrt 2.0)) (* x (cbrt 2.0)))
  (* (* (sqrt 2.0) x) x)
  (* x x)
  (* x 2.0)
  (* (* 2.0 x) x)
  (* (* 2.0 x) x)
  (* (* 2.0 x) x)
0.801 * * * [progress]: adding candidates to table
0.876 * [progress]: [Phase 3 of 3] Extracting.
0.878 * [simplify]: Simplifying:
  (- (* (* x x) 2.0) 1.0)
0.879 * * [simplify]: iteration 0: 6 enodes
0.879 * * [simplify]: iteration 1: 7 enodes
0.879 * * [simplify]: iteration complete: 7 enodes
0.879 * * [simplify]: Extracting #0: cost 1 inf + 0
0.879 * * [simplify]: Extracting #1: cost 3 inf + 0
0.879 * * [simplify]: Extracting #2: cost 4 inf + 1
0.879 * * [simplify]: Extracting #3: cost 4 inf + 2
0.879 * * [simplify]: Extracting #4: cost 3 inf + 3
0.879 * * [simplify]: Extracting #5: cost 0 inf + 249
0.879 * [simplify]: Simplified to:
  (- (* 2.0 (* x x)) 1.0)
1.592 * [regime-testing]: Baseline error score: 0.001634806300418906
1.599 * [regime-testing]: Oracle error score: 0.001634806300418906
1.600 * [regime-testing]: End program error score: 0.001634806300418906