44.231 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.038 * * * [progress]: [2/2] Setting up program.
0.043 * [progress]: [Phase 2 of 3] Improving.
0.044 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.044 * * [simplify]: iteration 0: 5 enodes
0.045 * * [simplify]: iteration 1: 10 enodes
0.048 * * [simplify]: iteration 2: 17 enodes
0.053 * * [simplify]: iteration 3: 32 enodes
0.063 * * [simplify]: iteration 4: 58 enodes
0.088 * * [simplify]: iteration 5: 129 enodes
0.119 * * [simplify]: iteration 6: 281 enodes
0.237 * * [simplify]: iteration 7: 703 enodes
1.248 * * [simplify]: iteration 8: 3184 enodes
2.686 * * [simplify]: iteration complete: 5000 enodes
2.686 * * [simplify]: Extracting #0: cost 1 inf + 0
2.687 * * [simplify]: Extracting #1: cost 139 inf + 0
2.689 * * [simplify]: Extracting #2: cost 1135 inf + 42
2.695 * * [simplify]: Extracting #3: cost 1018 inf + 18699
2.737 * * [simplify]: Extracting #4: cost 149 inf + 129695
2.767 * * [simplify]: Extracting #5: cost 1 inf + 155685
2.803 * * [simplify]: Extracting #6: cost 0 inf + 155807
2.856 * [simplify]: Simplified to:
  (- (* x x) (* y y))
2.857 * * [progress]: iteration 1 / 4
2.857 * * * [progress]: picking best candidate
2.862 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
2.863 * * * [progress]: localizing error
2.870 * * * [progress]: generating rewritten candidates
2.870 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
2.876 * * * [progress]: generating series expansions
2.876 * * * * [progress]: [ 1 / 1 ] generating series at (2)
2.876 * [backup-simplify]: Simplify (- (* x x) (* y y)) into (- (pow x 2) (pow y 2))
2.876 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
2.876 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
2.876 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.876 * [taylor]: Taking taylor expansion of x in y
2.876 * [backup-simplify]: Simplify x into x
2.876 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.876 * [taylor]: Taking taylor expansion of y in y
2.877 * [backup-simplify]: Simplify 0 into 0
2.877 * [backup-simplify]: Simplify 1 into 1
2.877 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
2.877 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.877 * [taylor]: Taking taylor expansion of x in x
2.877 * [backup-simplify]: Simplify 0 into 0
2.877 * [backup-simplify]: Simplify 1 into 1
2.877 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.877 * [taylor]: Taking taylor expansion of y in x
2.877 * [backup-simplify]: Simplify y into y
2.877 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
2.877 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.877 * [taylor]: Taking taylor expansion of x in x
2.877 * [backup-simplify]: Simplify 0 into 0
2.877 * [backup-simplify]: Simplify 1 into 1
2.877 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.877 * [taylor]: Taking taylor expansion of y in x
2.877 * [backup-simplify]: Simplify y into y
2.877 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.877 * [backup-simplify]: Simplify (- (pow y 2)) into (- (pow y 2))
2.877 * [backup-simplify]: Simplify (+ 0 (- (pow y 2))) into (- (pow y 2))
2.877 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
2.877 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.877 * [taylor]: Taking taylor expansion of y in y
2.877 * [backup-simplify]: Simplify 0 into 0
2.877 * [backup-simplify]: Simplify 1 into 1
2.877 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
2.878 * [backup-simplify]: Simplify (- 0) into 0
2.878 * [backup-simplify]: Simplify (+ 0 0) into 0
2.878 * [taylor]: Taking taylor expansion of 0 in y
2.878 * [backup-simplify]: Simplify 0 into 0
2.878 * [backup-simplify]: Simplify 0 into 0
2.878 * [backup-simplify]: Simplify (* 1 1) into 1
2.878 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
2.879 * [backup-simplify]: Simplify (- 0) into 0
2.879 * [backup-simplify]: Simplify (+ 1 0) into 1
2.879 * [taylor]: Taking taylor expansion of 1 in y
2.879 * [backup-simplify]: Simplify 1 into 1
2.879 * [backup-simplify]: Simplify 1 into 1
2.879 * [backup-simplify]: Simplify 0 into 0
2.879 * [backup-simplify]: Simplify (* 1 1) into 1
2.880 * [backup-simplify]: Simplify (- 1) into -1
2.880 * [backup-simplify]: Simplify -1 into -1
2.880 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.880 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
2.881 * [backup-simplify]: Simplify (- 0) into 0
2.881 * [backup-simplify]: Simplify (+ 0 0) into 0
2.881 * [taylor]: Taking taylor expansion of 0 in y
2.881 * [backup-simplify]: Simplify 0 into 0
2.881 * [backup-simplify]: Simplify 0 into 0
2.881 * [backup-simplify]: Simplify 0 into 0
2.881 * [backup-simplify]: Simplify 0 into 0
2.881 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.882 * [backup-simplify]: Simplify (- 0) into 0
2.882 * [backup-simplify]: Simplify 0 into 0
2.882 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.883 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
2.883 * [backup-simplify]: Simplify (- 0) into 0
2.883 * [backup-simplify]: Simplify (+ 0 0) into 0
2.883 * [taylor]: Taking taylor expansion of 0 in y
2.883 * [backup-simplify]: Simplify 0 into 0
2.883 * [backup-simplify]: Simplify 0 into 0
2.883 * [backup-simplify]: Simplify 0 into 0
2.884 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
2.884 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
2.884 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
2.884 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
2.884 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.884 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.884 * [taylor]: Taking taylor expansion of x in y
2.884 * [backup-simplify]: Simplify x into x
2.884 * [backup-simplify]: Simplify (* x x) into (pow x 2)
2.884 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
2.884 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.884 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.884 * [taylor]: Taking taylor expansion of y in y
2.884 * [backup-simplify]: Simplify 0 into 0
2.884 * [backup-simplify]: Simplify 1 into 1
2.885 * [backup-simplify]: Simplify (* 1 1) into 1
2.885 * [backup-simplify]: Simplify (/ 1 1) into 1
2.885 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
2.885 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.885 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.885 * [taylor]: Taking taylor expansion of x in x
2.885 * [backup-simplify]: Simplify 0 into 0
2.885 * [backup-simplify]: Simplify 1 into 1
2.885 * [backup-simplify]: Simplify (* 1 1) into 1
2.885 * [backup-simplify]: Simplify (/ 1 1) into 1
2.885 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.885 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.885 * [taylor]: Taking taylor expansion of y in x
2.885 * [backup-simplify]: Simplify y into y
2.885 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.886 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
2.886 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
2.886 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.886 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.886 * [taylor]: Taking taylor expansion of x in x
2.886 * [backup-simplify]: Simplify 0 into 0
2.886 * [backup-simplify]: Simplify 1 into 1
2.886 * [backup-simplify]: Simplify (* 1 1) into 1
2.886 * [backup-simplify]: Simplify (/ 1 1) into 1
2.886 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.886 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.886 * [taylor]: Taking taylor expansion of y in x
2.886 * [backup-simplify]: Simplify y into y
2.888 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.889 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
2.889 * [backup-simplify]: Simplify (+ 1 0) into 1
2.889 * [taylor]: Taking taylor expansion of 1 in y
2.889 * [backup-simplify]: Simplify 1 into 1
2.890 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.891 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.891 * [backup-simplify]: Simplify (+ 0 0) into 0
2.891 * [taylor]: Taking taylor expansion of 0 in y
2.891 * [backup-simplify]: Simplify 0 into 0
2.892 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.893 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.893 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
2.893 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
2.893 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
2.893 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.893 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.893 * [taylor]: Taking taylor expansion of y in y
2.893 * [backup-simplify]: Simplify 0 into 0
2.893 * [backup-simplify]: Simplify 1 into 1
2.894 * [backup-simplify]: Simplify (* 1 1) into 1
2.894 * [backup-simplify]: Simplify (/ 1 1) into 1
2.895 * [backup-simplify]: Simplify (- 1) into -1
2.895 * [backup-simplify]: Simplify -1 into -1
2.895 * [backup-simplify]: Simplify 1 into 1
2.896 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.896 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.897 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
2.897 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
2.897 * [backup-simplify]: Simplify (- 0) into 0
2.898 * [backup-simplify]: Simplify (+ 0 0) into 0
2.898 * [taylor]: Taking taylor expansion of 0 in y
2.898 * [backup-simplify]: Simplify 0 into 0
2.898 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.899 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.899 * [backup-simplify]: Simplify (- 0) into 0
2.899 * [backup-simplify]: Simplify 0 into 0
2.899 * [backup-simplify]: Simplify 0 into 0
2.899 * [backup-simplify]: Simplify 0 into 0
2.900 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.901 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.902 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
2.902 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
2.903 * [backup-simplify]: Simplify (- 0) into 0
2.903 * [backup-simplify]: Simplify (+ 0 0) into 0
2.903 * [taylor]: Taking taylor expansion of 0 in y
2.903 * [backup-simplify]: Simplify 0 into 0
2.904 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.905 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.905 * [backup-simplify]: Simplify (- 0) into 0
2.905 * [backup-simplify]: Simplify 0 into 0
2.905 * [backup-simplify]: Simplify 0 into 0
2.905 * [backup-simplify]: Simplify 0 into 0
2.906 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
2.906 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y)))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
2.906 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
2.906 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
2.906 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.906 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.906 * [taylor]: Taking taylor expansion of x in y
2.906 * [backup-simplify]: Simplify x into x
2.906 * [backup-simplify]: Simplify (* x x) into (pow x 2)
2.906 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
2.906 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.906 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.906 * [taylor]: Taking taylor expansion of y in y
2.906 * [backup-simplify]: Simplify 0 into 0
2.906 * [backup-simplify]: Simplify 1 into 1
2.907 * [backup-simplify]: Simplify (* 1 1) into 1
2.907 * [backup-simplify]: Simplify (/ 1 1) into 1
2.907 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
2.907 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.907 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.907 * [taylor]: Taking taylor expansion of x in x
2.907 * [backup-simplify]: Simplify 0 into 0
2.907 * [backup-simplify]: Simplify 1 into 1
2.908 * [backup-simplify]: Simplify (* 1 1) into 1
2.908 * [backup-simplify]: Simplify (/ 1 1) into 1
2.908 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.908 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.908 * [taylor]: Taking taylor expansion of y in x
2.908 * [backup-simplify]: Simplify y into y
2.908 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.908 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
2.908 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
2.908 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.908 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.908 * [taylor]: Taking taylor expansion of x in x
2.908 * [backup-simplify]: Simplify 0 into 0
2.909 * [backup-simplify]: Simplify 1 into 1
2.909 * [backup-simplify]: Simplify (* 1 1) into 1
2.909 * [backup-simplify]: Simplify (/ 1 1) into 1
2.909 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.909 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.909 * [taylor]: Taking taylor expansion of y in x
2.909 * [backup-simplify]: Simplify y into y
2.909 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.910 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
2.910 * [backup-simplify]: Simplify (+ 1 0) into 1
2.910 * [taylor]: Taking taylor expansion of 1 in y
2.910 * [backup-simplify]: Simplify 1 into 1
2.911 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.911 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.912 * [backup-simplify]: Simplify (+ 0 0) into 0
2.912 * [taylor]: Taking taylor expansion of 0 in y
2.912 * [backup-simplify]: Simplify 0 into 0
2.913 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.913 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.914 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
2.914 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
2.914 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
2.914 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.914 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.914 * [taylor]: Taking taylor expansion of y in y
2.914 * [backup-simplify]: Simplify 0 into 0
2.914 * [backup-simplify]: Simplify 1 into 1
2.914 * [backup-simplify]: Simplify (* 1 1) into 1
2.915 * [backup-simplify]: Simplify (/ 1 1) into 1
2.915 * [backup-simplify]: Simplify (- 1) into -1
2.915 * [backup-simplify]: Simplify -1 into -1
2.915 * [backup-simplify]: Simplify 1 into 1
2.916 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.917 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.917 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
2.917 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
2.918 * [backup-simplify]: Simplify (- 0) into 0
2.918 * [backup-simplify]: Simplify (+ 0 0) into 0
2.918 * [taylor]: Taking taylor expansion of 0 in y
2.918 * [backup-simplify]: Simplify 0 into 0
2.919 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.920 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.920 * [backup-simplify]: Simplify (- 0) into 0
2.920 * [backup-simplify]: Simplify 0 into 0
2.920 * [backup-simplify]: Simplify 0 into 0
2.920 * [backup-simplify]: Simplify 0 into 0
2.921 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.922 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.923 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
2.924 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
2.924 * [backup-simplify]: Simplify (- 0) into 0
2.924 * [backup-simplify]: Simplify (+ 0 0) into 0
2.924 * [taylor]: Taking taylor expansion of 0 in y
2.924 * [backup-simplify]: Simplify 0 into 0
2.925 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.926 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.927 * [backup-simplify]: Simplify (- 0) into 0
2.927 * [backup-simplify]: Simplify 0 into 0
2.927 * [backup-simplify]: Simplify 0 into 0
2.927 * [backup-simplify]: Simplify 0 into 0
2.927 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
2.927 * * * [progress]: simplifying candidates
2.928 * [simplify]: Simplifying:
  (/ (exp (* x x)) (exp (* y y)))
  (log (- (* x x) (* y y)))
  (exp (- (* x x) (* y y)))
  (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y))))
  (cbrt (- (* x x) (* y y)))
  (* (* (- (* x x) (* y y)) (- (* x x) (* y y))) (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (- (pow (* x x) 3) (pow (* y y) 3))
  (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y))))
  (- (* y y))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (+ (* x x) (* y y))
  (+ x y)
  (- x y)
  (- (* y y))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
2.928 * * [simplify]: iteration 0: 33 enodes
2.939 * * [simplify]: iteration 1: 111 enodes
2.986 * * [simplify]: iteration 2: 589 enodes
3.319 * * [simplify]: iteration complete: 5000 enodes
3.319 * * [simplify]: Extracting #0: cost 14 inf + 0
3.320 * * [simplify]: Extracting #1: cost 378 inf + 0
3.324 * * [simplify]: Extracting #2: cost 1741 inf + 8767
3.349 * * [simplify]: Extracting #3: cost 1092 inf + 138850
3.402 * * [simplify]: Extracting #4: cost 185 inf + 251345
3.450 * * [simplify]: Extracting #5: cost 22 inf + 291030
3.494 * * [simplify]: Extracting #6: cost 0 inf + 297799
3.547 * [simplify]: Simplified to:
  (exp (* (+ x y) (- x y)))
  (log (* (+ x y) (- x y)))
  (exp (* (+ x y) (- x y)))
  (* (cbrt (* (+ x y) (- x y))) (cbrt (* (+ x y) (- x y))))
  (cbrt (* (+ x y) (- x y)))
  (* (* (+ x y) (- x y)) (* (* (+ x y) (- x y)) (* (+ x y) (- x y))))
  (sqrt (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (* (+ (* (* x x) x) (* y (* y y))) (- (* (* x x) x) (* y (* y y))))
  (+ (* (* y y) (+ (* y y) (* x x))) (* (* x x) (* x x)))
  (* (- y) y)
  (* (+ (* x x) (* y y)) (- (* x x) (* y y)))
  (+ (* x x) (* y y))
  (+ x y)
  (- x y)
  (* (- y) y)
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
3.549 * * * [progress]: adding candidates to table
3.614 * * [progress]: iteration 2 / 4
3.614 * * * [progress]: picking best candidate
3.617 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
3.617 * * * [progress]: localizing error
3.624 * * * [progress]: generating rewritten candidates
3.624 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.655 * * * [progress]: generating series expansions
3.655 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.655 * [backup-simplify]: Simplify (* (+ x y) (- x y)) into (* (+ x y) (- x y))
3.655 * [approximate]: Taking taylor expansion of (* (+ x y) (- x y)) in (x y) around 0
3.655 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
3.655 * [taylor]: Taking taylor expansion of (+ x y) in y
3.655 * [taylor]: Taking taylor expansion of x in y
3.655 * [backup-simplify]: Simplify x into x
3.655 * [taylor]: Taking taylor expansion of y in y
3.655 * [backup-simplify]: Simplify 0 into 0
3.655 * [backup-simplify]: Simplify 1 into 1
3.655 * [taylor]: Taking taylor expansion of (- x y) in y
3.655 * [taylor]: Taking taylor expansion of x in y
3.655 * [backup-simplify]: Simplify x into x
3.656 * [taylor]: Taking taylor expansion of y in y
3.656 * [backup-simplify]: Simplify 0 into 0
3.656 * [backup-simplify]: Simplify 1 into 1
3.656 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
3.656 * [taylor]: Taking taylor expansion of (+ x y) in x
3.656 * [taylor]: Taking taylor expansion of x in x
3.656 * [backup-simplify]: Simplify 0 into 0
3.656 * [backup-simplify]: Simplify 1 into 1
3.656 * [taylor]: Taking taylor expansion of y in x
3.656 * [backup-simplify]: Simplify y into y
3.656 * [taylor]: Taking taylor expansion of (- x y) in x
3.656 * [taylor]: Taking taylor expansion of x in x
3.656 * [backup-simplify]: Simplify 0 into 0
3.656 * [backup-simplify]: Simplify 1 into 1
3.656 * [taylor]: Taking taylor expansion of y in x
3.656 * [backup-simplify]: Simplify y into y
3.656 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
3.656 * [taylor]: Taking taylor expansion of (+ x y) in x
3.656 * [taylor]: Taking taylor expansion of x in x
3.656 * [backup-simplify]: Simplify 0 into 0
3.656 * [backup-simplify]: Simplify 1 into 1
3.656 * [taylor]: Taking taylor expansion of y in x
3.656 * [backup-simplify]: Simplify y into y
3.656 * [taylor]: Taking taylor expansion of (- x y) in x
3.656 * [taylor]: Taking taylor expansion of x in x
3.656 * [backup-simplify]: Simplify 0 into 0
3.656 * [backup-simplify]: Simplify 1 into 1
3.656 * [taylor]: Taking taylor expansion of y in x
3.656 * [backup-simplify]: Simplify y into y
3.656 * [backup-simplify]: Simplify (+ 0 y) into y
3.656 * [backup-simplify]: Simplify (- y) into (- y)
3.656 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
3.656 * [backup-simplify]: Simplify (* y (- y)) into (* -1 (pow y 2))
3.656 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
3.656 * [taylor]: Taking taylor expansion of -1 in y
3.656 * [backup-simplify]: Simplify -1 into -1
3.656 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.656 * [taylor]: Taking taylor expansion of y in y
3.656 * [backup-simplify]: Simplify 0 into 0
3.656 * [backup-simplify]: Simplify 1 into 1
3.657 * [backup-simplify]: Simplify (- 0) into 0
3.657 * [backup-simplify]: Simplify (+ 1 0) into 1
3.657 * [backup-simplify]: Simplify (+ 1 0) into 1
3.657 * [backup-simplify]: Simplify (+ (* y 1) (* 1 (- y))) into 0
3.657 * [taylor]: Taking taylor expansion of 0 in y
3.657 * [backup-simplify]: Simplify 0 into 0
3.657 * [backup-simplify]: Simplify 0 into 0
3.658 * [backup-simplify]: Simplify (- 0) into 0
3.658 * [backup-simplify]: Simplify (+ 0 0) into 0
3.658 * [backup-simplify]: Simplify (+ 0 0) into 0
3.658 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 1) (* 0 (- y)))) into 1
3.659 * [taylor]: Taking taylor expansion of 1 in y
3.659 * [backup-simplify]: Simplify 1 into 1
3.659 * [backup-simplify]: Simplify 1 into 1
3.659 * [backup-simplify]: Simplify 0 into 0
3.659 * [backup-simplify]: Simplify (* 1 1) into 1
3.659 * [backup-simplify]: Simplify (* -1 1) into -1
3.659 * [backup-simplify]: Simplify -1 into -1
3.659 * [backup-simplify]: Simplify (- 0) into 0
3.660 * [backup-simplify]: Simplify (+ 0 0) into 0
3.660 * [backup-simplify]: Simplify (+ 0 0) into 0
3.660 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 0) (+ (* 0 1) (* 0 (- y))))) into 0
3.660 * [taylor]: Taking taylor expansion of 0 in y
3.660 * [backup-simplify]: Simplify 0 into 0
3.660 * [backup-simplify]: Simplify 0 into 0
3.660 * [backup-simplify]: Simplify 0 into 0
3.660 * [backup-simplify]: Simplify 0 into 0
3.661 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.661 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 1)) into 0
3.661 * [backup-simplify]: Simplify 0 into 0
3.662 * [backup-simplify]: Simplify (- 0) into 0
3.662 * [backup-simplify]: Simplify (+ 0 0) into 0
3.662 * [backup-simplify]: Simplify (+ 0 0) into 0
3.663 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 (- y)))))) into 0
3.663 * [taylor]: Taking taylor expansion of 0 in y
3.663 * [backup-simplify]: Simplify 0 into 0
3.663 * [backup-simplify]: Simplify 0 into 0
3.663 * [backup-simplify]: Simplify 0 into 0
3.663 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
3.663 * [backup-simplify]: Simplify (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) into (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y)))
3.663 * [approximate]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in (x y) around 0
3.663 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in y
3.663 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
3.663 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.663 * [taylor]: Taking taylor expansion of x in y
3.663 * [backup-simplify]: Simplify x into x
3.663 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.663 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.663 * [taylor]: Taking taylor expansion of y in y
3.663 * [backup-simplify]: Simplify 0 into 0
3.663 * [backup-simplify]: Simplify 1 into 1
3.664 * [backup-simplify]: Simplify (/ 1 1) into 1
3.664 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
3.664 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.664 * [taylor]: Taking taylor expansion of x in y
3.664 * [backup-simplify]: Simplify x into x
3.664 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.664 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.664 * [taylor]: Taking taylor expansion of y in y
3.664 * [backup-simplify]: Simplify 0 into 0
3.664 * [backup-simplify]: Simplify 1 into 1
3.664 * [backup-simplify]: Simplify (/ 1 1) into 1
3.664 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in x
3.664 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
3.664 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.664 * [taylor]: Taking taylor expansion of x in x
3.664 * [backup-simplify]: Simplify 0 into 0
3.664 * [backup-simplify]: Simplify 1 into 1
3.664 * [backup-simplify]: Simplify (/ 1 1) into 1
3.664 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.664 * [taylor]: Taking taylor expansion of y in x
3.664 * [backup-simplify]: Simplify y into y
3.664 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.664 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
3.664 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.664 * [taylor]: Taking taylor expansion of x in x
3.665 * [backup-simplify]: Simplify 0 into 0
3.665 * [backup-simplify]: Simplify 1 into 1
3.665 * [backup-simplify]: Simplify (/ 1 1) into 1
3.665 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.665 * [taylor]: Taking taylor expansion of y in x
3.665 * [backup-simplify]: Simplify y into y
3.665 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.665 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in x
3.665 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
3.665 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.665 * [taylor]: Taking taylor expansion of x in x
3.665 * [backup-simplify]: Simplify 0 into 0
3.665 * [backup-simplify]: Simplify 1 into 1
3.665 * [backup-simplify]: Simplify (/ 1 1) into 1
3.665 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.665 * [taylor]: Taking taylor expansion of y in x
3.665 * [backup-simplify]: Simplify y into y
3.665 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.665 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
3.665 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.665 * [taylor]: Taking taylor expansion of x in x
3.665 * [backup-simplify]: Simplify 0 into 0
3.665 * [backup-simplify]: Simplify 1 into 1
3.666 * [backup-simplify]: Simplify (/ 1 1) into 1
3.666 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.666 * [taylor]: Taking taylor expansion of y in x
3.666 * [backup-simplify]: Simplify y into y
3.666 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.666 * [backup-simplify]: Simplify (+ 1 0) into 1
3.666 * [backup-simplify]: Simplify (+ 1 0) into 1
3.666 * [backup-simplify]: Simplify (* 1 1) into 1
3.666 * [taylor]: Taking taylor expansion of 1 in y
3.666 * [backup-simplify]: Simplify 1 into 1
3.667 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.667 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
3.667 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
3.667 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.668 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
3.668 * [backup-simplify]: Simplify (+ (* 1 (- (/ 1 y))) (* (/ 1 y) 1)) into 0
3.668 * [taylor]: Taking taylor expansion of 0 in y
3.668 * [backup-simplify]: Simplify 0 into 0
3.668 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.668 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.668 * [backup-simplify]: Simplify (- 0) into 0
3.669 * [backup-simplify]: Simplify (+ 0 0) into 0
3.669 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.669 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.670 * [backup-simplify]: Simplify (+ 0 0) into 0
3.670 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) (- (/ 1 y))) (* 0 1))) into (- (/ 1 (pow y 2)))
3.670 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
3.670 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.670 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.670 * [taylor]: Taking taylor expansion of y in y
3.670 * [backup-simplify]: Simplify 0 into 0
3.670 * [backup-simplify]: Simplify 1 into 1
3.670 * [backup-simplify]: Simplify (* 1 1) into 1
3.671 * [backup-simplify]: Simplify (/ 1 1) into 1
3.671 * [backup-simplify]: Simplify (- 1) into -1
3.671 * [backup-simplify]: Simplify -1 into -1
3.671 * [backup-simplify]: Simplify 1 into 1
3.671 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.672 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.672 * [backup-simplify]: Simplify (- 0) into 0
3.672 * [backup-simplify]: Simplify (+ 0 0) into 0
3.673 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.673 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.673 * [backup-simplify]: Simplify (+ 0 0) into 0
3.673 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
3.674 * [taylor]: Taking taylor expansion of 0 in y
3.674 * [backup-simplify]: Simplify 0 into 0
3.674 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.674 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.675 * [backup-simplify]: Simplify (- 0) into 0
3.675 * [backup-simplify]: Simplify 0 into 0
3.675 * [backup-simplify]: Simplify 0 into 0
3.675 * [backup-simplify]: Simplify 0 into 0
3.675 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.675 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.676 * [backup-simplify]: Simplify (- 0) into 0
3.676 * [backup-simplify]: Simplify (+ 0 0) into 0
3.676 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.676 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.677 * [backup-simplify]: Simplify (+ 0 0) into 0
3.678 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
3.678 * [taylor]: Taking taylor expansion of 0 in y
3.678 * [backup-simplify]: Simplify 0 into 0
3.678 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.679 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.679 * [backup-simplify]: Simplify (- 0) into 0
3.679 * [backup-simplify]: Simplify 0 into 0
3.679 * [backup-simplify]: Simplify 0 into 0
3.679 * [backup-simplify]: Simplify 0 into 0
3.679 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
3.679 * [backup-simplify]: Simplify (* (+ (/ 1 (- x)) (/ 1 (- y))) (- (/ 1 (- x)) (/ 1 (- y)))) into (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))))
3.679 * [approximate]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in (x y) around 0
3.679 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in y
3.679 * [taylor]: Taking taylor expansion of -1 in y
3.679 * [backup-simplify]: Simplify -1 into -1
3.679 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))) in y
3.679 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
3.680 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.680 * [taylor]: Taking taylor expansion of y in y
3.680 * [backup-simplify]: Simplify 0 into 0
3.680 * [backup-simplify]: Simplify 1 into 1
3.680 * [backup-simplify]: Simplify (/ 1 1) into 1
3.680 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.680 * [taylor]: Taking taylor expansion of x in y
3.680 * [backup-simplify]: Simplify x into x
3.680 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.680 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
3.680 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.680 * [taylor]: Taking taylor expansion of x in y
3.680 * [backup-simplify]: Simplify x into x
3.680 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.680 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.680 * [taylor]: Taking taylor expansion of y in y
3.680 * [backup-simplify]: Simplify 0 into 0
3.680 * [backup-simplify]: Simplify 1 into 1
3.680 * [backup-simplify]: Simplify (/ 1 1) into 1
3.680 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in x
3.680 * [taylor]: Taking taylor expansion of -1 in x
3.680 * [backup-simplify]: Simplify -1 into -1
3.680 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))) in x
3.680 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
3.680 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.680 * [taylor]: Taking taylor expansion of y in x
3.680 * [backup-simplify]: Simplify y into y
3.680 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.680 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.680 * [taylor]: Taking taylor expansion of x in x
3.680 * [backup-simplify]: Simplify 0 into 0
3.681 * [backup-simplify]: Simplify 1 into 1
3.681 * [backup-simplify]: Simplify (/ 1 1) into 1
3.681 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
3.681 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.681 * [taylor]: Taking taylor expansion of x in x
3.681 * [backup-simplify]: Simplify 0 into 0
3.681 * [backup-simplify]: Simplify 1 into 1
3.681 * [backup-simplify]: Simplify (/ 1 1) into 1
3.681 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.681 * [taylor]: Taking taylor expansion of y in x
3.681 * [backup-simplify]: Simplify y into y
3.681 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.681 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in x
3.681 * [taylor]: Taking taylor expansion of -1 in x
3.681 * [backup-simplify]: Simplify -1 into -1
3.681 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))) in x
3.681 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
3.681 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.681 * [taylor]: Taking taylor expansion of y in x
3.681 * [backup-simplify]: Simplify y into y
3.681 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.681 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.681 * [taylor]: Taking taylor expansion of x in x
3.681 * [backup-simplify]: Simplify 0 into 0
3.681 * [backup-simplify]: Simplify 1 into 1
3.682 * [backup-simplify]: Simplify (/ 1 1) into 1
3.682 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
3.682 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.682 * [taylor]: Taking taylor expansion of x in x
3.682 * [backup-simplify]: Simplify 0 into 0
3.682 * [backup-simplify]: Simplify 1 into 1
3.682 * [backup-simplify]: Simplify (/ 1 1) into 1
3.682 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.682 * [taylor]: Taking taylor expansion of y in x
3.682 * [backup-simplify]: Simplify y into y
3.682 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.682 * [backup-simplify]: Simplify (- 1) into -1
3.683 * [backup-simplify]: Simplify (+ 0 -1) into -1
3.683 * [backup-simplify]: Simplify (+ 1 0) into 1
3.683 * [backup-simplify]: Simplify (* -1 1) into -1
3.683 * [backup-simplify]: Simplify (* -1 -1) into 1
3.683 * [taylor]: Taking taylor expansion of 1 in y
3.683 * [backup-simplify]: Simplify 1 into 1
3.684 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.684 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
3.684 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.684 * [backup-simplify]: Simplify (- 0) into 0
3.685 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
3.685 * [backup-simplify]: Simplify (+ (* -1 (/ 1 y)) (* (/ 1 y) 1)) into 0
3.685 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 -1)) into 0
3.685 * [taylor]: Taking taylor expansion of 0 in y
3.685 * [backup-simplify]: Simplify 0 into 0
3.686 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.686 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.686 * [backup-simplify]: Simplify (+ 0 0) into 0
3.686 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.686 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.687 * [backup-simplify]: Simplify (- 0) into 0
3.687 * [backup-simplify]: Simplify (+ 0 0) into 0
3.687 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) (/ 1 y)) (* 0 1))) into (/ 1 (pow y 2))
3.688 * [backup-simplify]: Simplify (+ (* -1 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1))) into (- (/ 1 (pow y 2)))
3.688 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
3.688 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.688 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.688 * [taylor]: Taking taylor expansion of y in y
3.688 * [backup-simplify]: Simplify 0 into 0
3.688 * [backup-simplify]: Simplify 1 into 1
3.688 * [backup-simplify]: Simplify (* 1 1) into 1
3.689 * [backup-simplify]: Simplify (/ 1 1) into 1
3.689 * [backup-simplify]: Simplify (- 1) into -1
3.689 * [backup-simplify]: Simplify -1 into -1
3.689 * [backup-simplify]: Simplify 1 into 1
3.689 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.689 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.690 * [backup-simplify]: Simplify (+ 0 0) into 0
3.690 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.690 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.691 * [backup-simplify]: Simplify (- 0) into 0
3.691 * [backup-simplify]: Simplify (+ 0 0) into 0
3.691 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 (/ 1 y)) (* 0 1)))) into 0
3.692 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1)))) into 0
3.692 * [taylor]: Taking taylor expansion of 0 in y
3.692 * [backup-simplify]: Simplify 0 into 0
3.692 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.693 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.693 * [backup-simplify]: Simplify (- 0) into 0
3.693 * [backup-simplify]: Simplify 0 into 0
3.693 * [backup-simplify]: Simplify 0 into 0
3.693 * [backup-simplify]: Simplify 0 into 0
3.694 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.694 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.694 * [backup-simplify]: Simplify (+ 0 0) into 0
3.694 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.695 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.695 * [backup-simplify]: Simplify (- 0) into 0
3.695 * [backup-simplify]: Simplify (+ 0 0) into 0
3.696 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 1))))) into 0
3.697 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1))))) into 0
3.697 * [taylor]: Taking taylor expansion of 0 in y
3.697 * [backup-simplify]: Simplify 0 into 0
3.698 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.698 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.698 * [backup-simplify]: Simplify (- 0) into 0
3.698 * [backup-simplify]: Simplify 0 into 0
3.698 * [backup-simplify]: Simplify 0 into 0
3.698 * [backup-simplify]: Simplify 0 into 0
3.699 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
3.699 * * * [progress]: simplifying candidates
3.699 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
  (+ (log (+ x y)) (log (- x y)))
  (log (* (+ x y) (- x y)))
  (exp (* (+ x y) (- x y)))
  (* (* (* (+ x y) (+ x y)) (+ x y)) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (* (+ x y) (- x y))) (cbrt (* (+ x y) (- x y))))
  (cbrt (* (+ x y) (- x y)))
  (* (* (* (+ x y) (- x y)) (* (+ x y) (- x y))) (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (* (+ (pow x 3) (pow y 3)) (- (pow x 3) (pow y 3)))
  (* (+ (* x x) (- (* y y) (* x y))) (+ (* x x) (+ (* y y) (* x y))))
  (* (+ (pow x 3) (pow y 3)) (- (* x x) (* y y)))
  (* (+ (* x x) (- (* y y) (* x y))) (+ x y))
  (* (- (* x x) (* y y)) (- (pow x 3) (pow y 3)))
  (* (- x y) (+ (* x x) (+ (* y y) (* x y))))
  (* (- (* x x) (* y y)) (- (* x x) (* y y)))
  (* (- x y) (+ x y))
  (* (sqrt (+ x y)) (sqrt (- x y)))
  (* (sqrt (+ x y)) (sqrt (- x y)))
  (* (+ x y) x)
  (* (+ x y) (- y))
  (* (+ x y) x)
  (* (+ x y) (- y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* (+ x y) (* (cbrt (- x y)) (cbrt (- x y))))
  (* (+ x y) (sqrt (- x y)))
  (* (+ x y) 1)
  (* (+ x y) (+ (sqrt x) (sqrt y)))
  (* (+ x y) 1)
  (* (cbrt (+ x y)) (- x y))
  (* (sqrt (+ x y)) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- (pow x 3) (pow y 3)))
  (* (+ x y) (- (* x x) (* y y)))
  (* (+ (pow x 3) (pow y 3)) (- x y))
  (* (- (* x x) (* y y)) (- x y))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
3.700 * * [simplify]: iteration 0: 70 enodes
3.713 * * [simplify]: iteration 1: 213 enodes
3.846 * * [simplify]: iteration 2: 1544 enodes
4.790 * * [simplify]: iteration complete: 5002 enodes
4.790 * * [simplify]: Extracting #0: cost 27 inf + 0
4.792 * * [simplify]: Extracting #1: cost 1029 inf + 0
4.797 * * [simplify]: Extracting #2: cost 1939 inf + 11370
4.824 * * [simplify]: Extracting #3: cost 1359 inf + 182596
4.925 * * [simplify]: Extracting #4: cost 117 inf + 386493
5.021 * * [simplify]: Extracting #5: cost 35 inf + 393294
5.125 * * [simplify]: Extracting #6: cost 24 inf + 396170
5.206 * * [simplify]: Extracting #7: cost 5 inf + 398824
5.322 * * [simplify]: Extracting #8: cost 0 inf + 400089
5.422 * [simplify]: Simplified to:
  (* (+ x y) (- x y))
  (log (* (+ x y) (- x y)))
  (log (* (+ x y) (- x y)))
  (exp (* (+ x y) (- x y)))
  (* (* (* (+ x y) (- x y)) (* (+ x y) (- x y))) (* (+ x y) (- x y)))
  (* (cbrt (* (+ x y) (- x y))) (cbrt (* (+ x y) (- x y))))
  (cbrt (* (+ x y) (- x y)))
  (* (* (* (+ x y) (- x y)) (* (+ x y) (- x y))) (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (* (- (* x (* x x)) (* (* y y) y)) (+ (* (* y y) y) (* x (* x x))))
  (* (+ (* y y) (* x (+ x y))) (+ (* x x) (- (* y y) (* y x))))
  (* (* (+ x y) (- x y)) (+ (* (* y y) y) (* x (* x x))))
  (* (+ x y) (+ (* x x) (* y (- y x))))
  (* (* (+ x y) (- x y)) (- (* x (* x x)) (* (* y y) y)))
  (* (- x y) (+ (* y y) (* x (+ x y))))
  (* (* (+ x y) (- x y)) (* (+ x y) (- x y)))
  (* (+ x y) (- x y))
  (* (sqrt (- x y)) (sqrt (+ x y)))
  (* (sqrt (- x y)) (sqrt (+ x y)))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* (* (+ x y) (cbrt (- x y))) (cbrt (- x y)))
  (* (sqrt (- x y)) (+ x y))
  (+ x y)
  (* (+ x y) (+ (sqrt x) (sqrt y)))
  (+ x y)
  (* (- x y) (cbrt (+ x y)))
  (* (sqrt (+ x y)) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- (* x (* x x)) (* (* y y) y)))
  (* (* (+ x y) (+ x y)) (- x y))
  (* (- x y) (+ (* (* y y) y) (* x (* x x))))
  (* (* (+ x y) (- x y)) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
5.425 * * * [progress]: adding candidates to table
5.545 * [progress]: [Phase 3 of 3] Extracting.
5.545 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
5.545 * * * [regime-changes]: Trying 5 branch expressions: ((* y y) (* x x) (- (* x x) (* y y)) y x)
5.546 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
5.597 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
5.629 * * * * [regimes]: Trying to branch on (- (* x x) (* y y)) from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
5.671 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
5.697 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
5.731 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
5.731 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
5.731 * * [simplify]: iteration 0: 5 enodes
5.731 * * [simplify]: iteration 1: 7 enodes
5.732 * * [simplify]: iteration complete: 7 enodes
5.732 * * [simplify]: Extracting #0: cost 1 inf + 0
5.732 * * [simplify]: Extracting #1: cost 3 inf + 0
5.732 * * [simplify]: Extracting #2: cost 5 inf + 0
5.732 * * [simplify]: Extracting #3: cost 3 inf + 2
5.732 * * [simplify]: Extracting #4: cost 0 inf + 208
5.732 * [simplify]: Simplified to:
  (* (+ y x) (- x y))
7.413 * [regime-testing]: Baseline error score: 0.0012501562695336917
7.425 * [regime-testing]: Oracle error score: 0.0005000625078134767
7.455 * [regime-testing]: End program error score: 0.0012501562695336917