1.817 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.016 * [simplify]: Simplifying:
  (+ x (* x x))
0.017 * * [simplify]: iteration 0: 3 enodes
0.017 * * [simplify]: iteration 1: 7 enodes
0.024 * * [simplify]: iteration 2: 11 enodes
0.027 * * [simplify]: iteration 3: 17 enodes
0.032 * * [simplify]: iteration 4: 52 enodes
0.038 * * [simplify]: iteration 5: 146 enodes
0.068 * * [simplify]: iteration 6: 481 enodes
0.300 * * [simplify]: iteration 7: 1671 enodes
0.799 * * [simplify]: iteration complete: 5000 enodes
0.799 * * [simplify]: Extracting #0: cost 1 inf + 0
0.803 * * [simplify]: Extracting #1: cost 1952 inf + 0
0.810 * * [simplify]: Extracting #2: cost 1347 inf + 1818
0.818 * * [simplify]: Extracting #3: cost 804 inf + 3445
0.825 * * [simplify]: Extracting #4: cost 0 inf + 5857
0.845 * [simplify]: Simplified to:
  (+ x (* x x))
0.846 * * [progress]: iteration 1 / 4
0.846 * * * [progress]: picking best candidate
0.849 * * * * [pick]: Picked  #<alt (λ (x) (+ x (* x x)))>
0.849 * * * [progress]: localizing error
0.858 * * * [progress]: generating rewritten candidates
0.858 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.867 * * * [progress]: generating series expansions
0.867 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.867 * [backup-simplify]: Simplify (+ x (* x x)) into (+ x (pow x 2))
0.867 * [approximate]: Taking taylor expansion of (+ x (pow x 2)) in (x) around 0
0.867 * [taylor]: Taking taylor expansion of (+ x (pow x 2)) in x
0.867 * [taylor]: Taking taylor expansion of x in x
0.867 * [backup-simplify]: Simplify 0 into 0
0.867 * [backup-simplify]: Simplify 1 into 1
0.867 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.867 * [taylor]: Taking taylor expansion of x in x
0.867 * [backup-simplify]: Simplify 0 into 0
0.867 * [backup-simplify]: Simplify 1 into 1
0.867 * [taylor]: Taking taylor expansion of (+ x (pow x 2)) in x
0.867 * [taylor]: Taking taylor expansion of x in x
0.867 * [backup-simplify]: Simplify 0 into 0
0.867 * [backup-simplify]: Simplify 1 into 1
0.867 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.867 * [taylor]: Taking taylor expansion of x in x
0.867 * [backup-simplify]: Simplify 0 into 0
0.868 * [backup-simplify]: Simplify 1 into 1
0.868 * [backup-simplify]: Simplify (+ 0 0) into 0
0.868 * [backup-simplify]: Simplify 0 into 0
0.869 * [backup-simplify]: Simplify (+ 1 0) into 1
0.869 * [backup-simplify]: Simplify 1 into 1
0.869 * [backup-simplify]: Simplify (* 1 1) into 1
0.869 * [backup-simplify]: Simplify (+ 0 1) into 1
0.869 * [backup-simplify]: Simplify 1 into 1
0.870 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.870 * [backup-simplify]: Simplify (+ 0 0) into 0
0.870 * [backup-simplify]: Simplify 0 into 0
0.871 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.872 * [backup-simplify]: Simplify (+ 0 0) into 0
0.872 * [backup-simplify]: Simplify 0 into 0
0.873 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.873 * [backup-simplify]: Simplify (+ 0 0) into 0
0.873 * [backup-simplify]: Simplify 0 into 0
0.874 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.875 * [backup-simplify]: Simplify (+ 0 0) into 0
0.875 * [backup-simplify]: Simplify 0 into 0
0.876 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.876 * [backup-simplify]: Simplify (+ 0 0) into 0
0.876 * [backup-simplify]: Simplify 0 into 0
0.878 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.878 * [backup-simplify]: Simplify (+ 0 0) into 0
0.878 * [backup-simplify]: Simplify 0 into 0
0.878 * [backup-simplify]: Simplify (+ (* 1 (pow x 2)) (* 1 x)) into (+ x (pow x 2))
0.878 * [backup-simplify]: Simplify (+ (/ 1 x) (* (/ 1 x) (/ 1 x))) into (+ (/ 1 (pow x 2)) (/ 1 x))
0.879 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 x)) in (x) around 0
0.879 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 x)) in x
0.879 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.879 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.879 * [taylor]: Taking taylor expansion of x in x
0.879 * [backup-simplify]: Simplify 0 into 0
0.879 * [backup-simplify]: Simplify 1 into 1
0.879 * [backup-simplify]: Simplify (* 1 1) into 1
0.880 * [backup-simplify]: Simplify (/ 1 1) into 1
0.880 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.880 * [taylor]: Taking taylor expansion of x in x
0.880 * [backup-simplify]: Simplify 0 into 0
0.880 * [backup-simplify]: Simplify 1 into 1
0.880 * [backup-simplify]: Simplify (/ 1 1) into 1
0.880 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 x)) in x
0.880 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.880 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.880 * [taylor]: Taking taylor expansion of x in x
0.880 * [backup-simplify]: Simplify 0 into 0
0.880 * [backup-simplify]: Simplify 1 into 1
0.881 * [backup-simplify]: Simplify (* 1 1) into 1
0.881 * [backup-simplify]: Simplify (/ 1 1) into 1
0.881 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.881 * [taylor]: Taking taylor expansion of x in x
0.881 * [backup-simplify]: Simplify 0 into 0
0.881 * [backup-simplify]: Simplify 1 into 1
0.882 * [backup-simplify]: Simplify (/ 1 1) into 1
0.882 * [backup-simplify]: Simplify (+ 1 0) into 1
0.882 * [backup-simplify]: Simplify 1 into 1
0.883 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.883 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.884 * [backup-simplify]: Simplify (+ 0 1) into 1
0.884 * [backup-simplify]: Simplify 1 into 1
0.885 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.886 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.886 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.887 * [backup-simplify]: Simplify (+ 0 0) into 0
0.887 * [backup-simplify]: Simplify 0 into 0
0.888 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.889 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.889 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.890 * [backup-simplify]: Simplify (+ 0 0) into 0
0.890 * [backup-simplify]: Simplify 0 into 0
0.891 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.892 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.893 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.893 * [backup-simplify]: Simplify (+ 0 0) into 0
0.893 * [backup-simplify]: Simplify 0 into 0
0.894 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.895 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.896 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.896 * [backup-simplify]: Simplify (+ 0 0) into 0
0.897 * [backup-simplify]: Simplify 0 into 0
0.898 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.899 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.900 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.900 * [backup-simplify]: Simplify (+ 0 0) into 0
0.900 * [backup-simplify]: Simplify 0 into 0
0.901 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.902 * [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
0.902 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.902 * [backup-simplify]: Simplify (+ 0 0) into 0
0.902 * [backup-simplify]: Simplify 0 into 0
0.903 * [backup-simplify]: Simplify (+ (* 1 (/ 1 (/ 1 x))) (* 1 (pow (/ 1 (/ 1 x)) 2))) into (+ x (pow x 2))
0.903 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (* (/ 1 (- x)) (/ 1 (- x)))) into (- (/ 1 (pow x 2)) (/ 1 x))
0.903 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 x)) in (x) around 0
0.903 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 x)) in x
0.903 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.903 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.903 * [taylor]: Taking taylor expansion of x in x
0.903 * [backup-simplify]: Simplify 0 into 0
0.903 * [backup-simplify]: Simplify 1 into 1
0.903 * [backup-simplify]: Simplify (* 1 1) into 1
0.903 * [backup-simplify]: Simplify (/ 1 1) into 1
0.903 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.904 * [taylor]: Taking taylor expansion of x in x
0.904 * [backup-simplify]: Simplify 0 into 0
0.904 * [backup-simplify]: Simplify 1 into 1
0.904 * [backup-simplify]: Simplify (/ 1 1) into 1
0.904 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 x)) in x
0.904 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.904 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.904 * [taylor]: Taking taylor expansion of x in x
0.904 * [backup-simplify]: Simplify 0 into 0
0.904 * [backup-simplify]: Simplify 1 into 1
0.904 * [backup-simplify]: Simplify (* 1 1) into 1
0.904 * [backup-simplify]: Simplify (/ 1 1) into 1
0.904 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.904 * [taylor]: Taking taylor expansion of x in x
0.904 * [backup-simplify]: Simplify 0 into 0
0.904 * [backup-simplify]: Simplify 1 into 1
0.905 * [backup-simplify]: Simplify (/ 1 1) into 1
0.905 * [backup-simplify]: Simplify (+ 1 0) into 1
0.905 * [backup-simplify]: Simplify 1 into 1
0.905 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.906 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.906 * [backup-simplify]: Simplify (- 1) into -1
0.906 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.906 * [backup-simplify]: Simplify -1 into -1
0.907 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.907 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.908 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.908 * [backup-simplify]: Simplify (- 0) into 0
0.908 * [backup-simplify]: Simplify (+ 0 0) into 0
0.908 * [backup-simplify]: Simplify 0 into 0
0.909 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.909 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.910 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.910 * [backup-simplify]: Simplify (- 0) into 0
0.910 * [backup-simplify]: Simplify (+ 0 0) into 0
0.910 * [backup-simplify]: Simplify 0 into 0
0.911 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.912 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.912 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.912 * [backup-simplify]: Simplify (- 0) into 0
0.913 * [backup-simplify]: Simplify (+ 0 0) into 0
0.913 * [backup-simplify]: Simplify 0 into 0
0.913 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.914 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.914 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.915 * [backup-simplify]: Simplify (- 0) into 0
0.915 * [backup-simplify]: Simplify (+ 0 0) into 0
0.915 * [backup-simplify]: Simplify 0 into 0
0.916 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.916 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.917 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.917 * [backup-simplify]: Simplify (- 0) into 0
0.917 * [backup-simplify]: Simplify (+ 0 0) into 0
0.917 * [backup-simplify]: Simplify 0 into 0
0.918 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.919 * [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
0.919 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.919 * [backup-simplify]: Simplify (- 0) into 0
0.920 * [backup-simplify]: Simplify (+ 0 0) into 0
0.920 * [backup-simplify]: Simplify 0 into 0
0.920 * [backup-simplify]: Simplify (+ (* -1 (/ 1 (/ 1 (- x)))) (* 1 (pow (/ 1 (/ 1 (- x))) 2))) into (+ x (pow x 2))
0.920 * * * [progress]: simplifying candidates
0.920 * [simplify]: Simplifying:
  (* (exp x) (exp (* x x)))
  (log (+ x (* x x)))
  (exp (+ x (* x x)))
  (* (cbrt (+ x (* x x))) (cbrt (+ x (* x x))))
  (cbrt (+ x (* x x)))
  (* (* (+ x (* x x)) (+ x (* x x))) (+ x (* x x)))
  (sqrt (+ x (* x x)))
  (sqrt (+ x (* x x)))
  (+ (pow x 3) (pow (* x x) 3))
  (+ (* x x) (- (* (* x x) (* x x)) (* x (* x x))))
  (- (* x x) (* (* x x) (* x x)))
  (- x (* x x))
  (+ 1 x)
  (+ x 1)
  (+ x (pow x 2))
  (+ x (pow x 2))
  (+ x (pow x 2))
0.920 * * [simplify]: iteration 0: 29 enodes
0.926 * * [simplify]: iteration 1: 92 enodes
1.002 * * [simplify]: iteration 2: 569 enodes
1.267 * * [simplify]: iteration complete: 5001 enodes
1.267 * * [simplify]: Extracting #0: cost 13 inf + 0
1.279 * * [simplify]: Extracting #1: cost 472 inf + 0
1.285 * * [simplify]: Extracting #2: cost 2024 inf + 294
1.292 * * [simplify]: Extracting #3: cost 1444 inf + 8354
1.301 * * [simplify]: Extracting #4: cost 133 inf + 18694
1.309 * * [simplify]: Extracting #5: cost 16 inf + 19041
1.325 * * [simplify]: Extracting #6: cost 0 inf + 19149
1.342 * [simplify]: Simplified to:
  (exp (+ (* x x) x))
  (log (+ x (* x x)))
  (exp (+ x (* x x)))
  (* (cbrt (+ x (* x x))) (cbrt (+ x (* x x))))
  (cbrt (+ x (* x x)))
  (pow (+ x (* x x)) 3)
  (sqrt (+ x (* x x)))
  (sqrt (+ x (* x x)))
  (+ (pow x 3) (pow x 6))
  (* x (+ (- (pow x 3) (* x x)) x))
  (* x (- x (pow x 3)))
  (- x (* x x))
  (+ x 1)
  (+ x 1)
  (+ x (* x x))
  (+ x (* x x))
  (+ x (* x x))
1.342 * * * [progress]: adding candidates to table
1.386 * * [progress]: iteration 2 / 4
1.386 * * * [progress]: picking best candidate
1.388 * * * * [pick]: Picked  #<alt (λ (x) (* (+ x 1) x))>
1.388 * * * [progress]: localizing error
1.392 * * * [progress]: generating rewritten candidates
1.393 * * * [progress]: generating series expansions
1.393 * * * [progress]: simplifying candidates
1.393 * [simplify]: Simplifying:
  
1.393 * * [simplify]: iteration 0: 0 enodes
1.393 * * [simplify]: iteration complete: 0 enodes
1.393 * * [simplify]: Extracting #0: cost 0 inf + 0
1.393 * [simplify]: Simplified to:
  
1.393 * * * [progress]: adding candidates to table
1.393 * [progress]: [Phase 3 of 3] Extracting.
1.395 * [simplify]: Simplifying:
  (* (+ x 1) x)
1.395 * * [simplify]: iteration 0: 4 enodes
1.396 * * [simplify]: iteration 1: 8 enodes
1.396 * * [simplify]: iteration complete: 8 enodes
1.396 * * [simplify]: Extracting #0: cost 1 inf + 0
1.396 * * [simplify]: Extracting #1: cost 3 inf + 0
1.396 * * [simplify]: Extracting #2: cost 3 inf + 1
1.396 * * [simplify]: Extracting #3: cost 0 inf + 10
1.396 * [simplify]: Simplified to:
  (* x (+ 1 x))
2.168 * [regime-testing]: Baseline error score: 0.01062632829103638
2.172 * [regime-testing]: Oracle error score: 0.01062632829103638
2.172 * [regime-testing]: End program error score: 0.01062632829103638