3.075 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.042 * * * [progress]: [2/2] Setting up program.
0.048 * [progress]: [Phase 2 of 3] Improving.
0.049 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.049 * * [simplify]: iteration 0: 5 enodes
0.050 * * [simplify]: iteration 1: 10 enodes
0.053 * * [simplify]: iteration 2: 17 enodes
0.058 * * [simplify]: iteration 3: 32 enodes
0.069 * * [simplify]: iteration 4: 58 enodes
0.091 * * [simplify]: iteration 5: 129 enodes
0.144 * * [simplify]: iteration 6: 281 enodes
0.247 * * [simplify]: iteration 7: 703 enodes
1.321 * * [simplify]: iteration 8: 3184 enodes
3.175 * * [simplify]: iteration complete: 5000 enodes
3.175 * * [simplify]: Extracting #0: cost 1 inf + 0
3.175 * * [simplify]: Extracting #1: cost 139 inf + 0
3.180 * * [simplify]: Extracting #2: cost 1135 inf + 42
3.192 * * [simplify]: Extracting #3: cost 1018 inf + 18699
3.229 * * [simplify]: Extracting #4: cost 149 inf + 129695
3.280 * * [simplify]: Extracting #5: cost 1 inf + 155685
3.750 * * [simplify]: Extracting #6: cost 0 inf + 155807
3.812 * [simplify]: Simplified to:
  (- (* x x) (* y y))
3.813 * * [progress]: iteration 1 / 4
3.814 * * * [progress]: picking best candidate
3.819 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
3.819 * * * [progress]: localizing error
3.833 * * * [progress]: generating rewritten candidates
3.833 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.847 * * * [progress]: generating series expansions
3.847 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.847 * [backup-simplify]: Simplify (- (* x x) (* y y)) into (- (pow x 2) (pow y 2))
3.847 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
3.847 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
3.847 * [taylor]: Taking taylor expansion of (pow x 2) in y
3.847 * [taylor]: Taking taylor expansion of x in y
3.847 * [backup-simplify]: Simplify x into x
3.847 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.847 * [taylor]: Taking taylor expansion of y in y
3.848 * [backup-simplify]: Simplify 0 into 0
3.848 * [backup-simplify]: Simplify 1 into 1
3.848 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
3.848 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.848 * [taylor]: Taking taylor expansion of x in x
3.848 * [backup-simplify]: Simplify 0 into 0
3.848 * [backup-simplify]: Simplify 1 into 1
3.848 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.848 * [taylor]: Taking taylor expansion of y in x
3.848 * [backup-simplify]: Simplify y into y
3.848 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
3.848 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.848 * [taylor]: Taking taylor expansion of x in x
3.848 * [backup-simplify]: Simplify 0 into 0
3.848 * [backup-simplify]: Simplify 1 into 1
3.848 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.848 * [taylor]: Taking taylor expansion of y in x
3.848 * [backup-simplify]: Simplify y into y
3.848 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.848 * [backup-simplify]: Simplify (- (pow y 2)) into (- (pow y 2))
3.849 * [backup-simplify]: Simplify (+ 0 (- (pow y 2))) into (- (pow y 2))
3.849 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
3.849 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.849 * [taylor]: Taking taylor expansion of y in y
3.849 * [backup-simplify]: Simplify 0 into 0
3.849 * [backup-simplify]: Simplify 1 into 1
3.849 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
3.850 * [backup-simplify]: Simplify (- 0) into 0
3.850 * [backup-simplify]: Simplify (+ 0 0) into 0
3.850 * [taylor]: Taking taylor expansion of 0 in y
3.850 * [backup-simplify]: Simplify 0 into 0
3.850 * [backup-simplify]: Simplify 0 into 0
3.851 * [backup-simplify]: Simplify (* 1 1) into 1
3.852 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
3.852 * [backup-simplify]: Simplify (- 0) into 0
3.853 * [backup-simplify]: Simplify (+ 1 0) into 1
3.853 * [taylor]: Taking taylor expansion of 1 in y
3.853 * [backup-simplify]: Simplify 1 into 1
3.853 * [backup-simplify]: Simplify 1 into 1
3.853 * [backup-simplify]: Simplify 0 into 0
3.853 * [backup-simplify]: Simplify (* 1 1) into 1
3.854 * [backup-simplify]: Simplify (- 1) into -1
3.854 * [backup-simplify]: Simplify -1 into -1
3.855 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.856 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
3.856 * [backup-simplify]: Simplify (- 0) into 0
3.857 * [backup-simplify]: Simplify (+ 0 0) into 0
3.857 * [taylor]: Taking taylor expansion of 0 in y
3.857 * [backup-simplify]: Simplify 0 into 0
3.857 * [backup-simplify]: Simplify 0 into 0
3.857 * [backup-simplify]: Simplify 0 into 0
3.857 * [backup-simplify]: Simplify 0 into 0
3.858 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.858 * [backup-simplify]: Simplify (- 0) into 0
3.858 * [backup-simplify]: Simplify 0 into 0
3.859 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.861 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
3.861 * [backup-simplify]: Simplify (- 0) into 0
3.861 * [backup-simplify]: Simplify (+ 0 0) into 0
3.861 * [taylor]: Taking taylor expansion of 0 in y
3.861 * [backup-simplify]: Simplify 0 into 0
3.861 * [backup-simplify]: Simplify 0 into 0
3.862 * [backup-simplify]: Simplify 0 into 0
3.862 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
3.862 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
3.862 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
3.862 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
3.862 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
3.862 * [taylor]: Taking taylor expansion of (pow x 2) in y
3.862 * [taylor]: Taking taylor expansion of x in y
3.862 * [backup-simplify]: Simplify x into x
3.863 * [backup-simplify]: Simplify (* x x) into (pow x 2)
3.863 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
3.863 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.863 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.863 * [taylor]: Taking taylor expansion of y in y
3.863 * [backup-simplify]: Simplify 0 into 0
3.863 * [backup-simplify]: Simplify 1 into 1
3.863 * [backup-simplify]: Simplify (* 1 1) into 1
3.864 * [backup-simplify]: Simplify (/ 1 1) into 1
3.864 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
3.864 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.864 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.864 * [taylor]: Taking taylor expansion of x in x
3.864 * [backup-simplify]: Simplify 0 into 0
3.864 * [backup-simplify]: Simplify 1 into 1
3.864 * [backup-simplify]: Simplify (* 1 1) into 1
3.865 * [backup-simplify]: Simplify (/ 1 1) into 1
3.865 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
3.865 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.865 * [taylor]: Taking taylor expansion of y in x
3.865 * [backup-simplify]: Simplify y into y
3.865 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.865 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
3.865 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
3.865 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.865 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.865 * [taylor]: Taking taylor expansion of x in x
3.865 * [backup-simplify]: Simplify 0 into 0
3.865 * [backup-simplify]: Simplify 1 into 1
3.866 * [backup-simplify]: Simplify (* 1 1) into 1
3.867 * [backup-simplify]: Simplify (/ 1 1) into 1
3.867 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
3.867 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.867 * [taylor]: Taking taylor expansion of y in x
3.867 * [backup-simplify]: Simplify y into y
3.867 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.867 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
3.868 * [backup-simplify]: Simplify (+ 1 0) into 1
3.868 * [taylor]: Taking taylor expansion of 1 in y
3.868 * [backup-simplify]: Simplify 1 into 1
3.869 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.870 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.870 * [backup-simplify]: Simplify (+ 0 0) into 0
3.870 * [taylor]: Taking taylor expansion of 0 in y
3.871 * [backup-simplify]: Simplify 0 into 0
3.872 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.873 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.874 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
3.874 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
3.874 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
3.874 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.874 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.874 * [taylor]: Taking taylor expansion of y in y
3.874 * [backup-simplify]: Simplify 0 into 0
3.874 * [backup-simplify]: Simplify 1 into 1
3.875 * [backup-simplify]: Simplify (* 1 1) into 1
3.876 * [backup-simplify]: Simplify (/ 1 1) into 1
3.876 * [backup-simplify]: Simplify (- 1) into -1
3.876 * [backup-simplify]: Simplify -1 into -1
3.876 * [backup-simplify]: Simplify 1 into 1
3.877 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.879 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.879 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
3.879 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
3.880 * [backup-simplify]: Simplify (- 0) into 0
3.880 * [backup-simplify]: Simplify (+ 0 0) into 0
3.880 * [taylor]: Taking taylor expansion of 0 in y
3.880 * [backup-simplify]: Simplify 0 into 0
3.881 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.882 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.882 * [backup-simplify]: Simplify (- 0) into 0
3.882 * [backup-simplify]: Simplify 0 into 0
3.882 * [backup-simplify]: Simplify 0 into 0
3.882 * [backup-simplify]: Simplify 0 into 0
3.883 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.885 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.885 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
3.886 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
3.886 * [backup-simplify]: Simplify (- 0) into 0
3.887 * [backup-simplify]: Simplify (+ 0 0) into 0
3.887 * [taylor]: Taking taylor expansion of 0 in y
3.887 * [backup-simplify]: Simplify 0 into 0
3.888 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.889 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.889 * [backup-simplify]: Simplify (- 0) into 0
3.889 * [backup-simplify]: Simplify 0 into 0
3.890 * [backup-simplify]: Simplify 0 into 0
3.890 * [backup-simplify]: Simplify 0 into 0
3.890 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
3.890 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y)))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
3.890 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
3.890 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
3.890 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
3.890 * [taylor]: Taking taylor expansion of (pow x 2) in y
3.890 * [taylor]: Taking taylor expansion of x in y
3.891 * [backup-simplify]: Simplify x into x
3.891 * [backup-simplify]: Simplify (* x x) into (pow x 2)
3.891 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
3.891 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.891 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.891 * [taylor]: Taking taylor expansion of y in y
3.891 * [backup-simplify]: Simplify 0 into 0
3.891 * [backup-simplify]: Simplify 1 into 1
3.891 * [backup-simplify]: Simplify (* 1 1) into 1
3.892 * [backup-simplify]: Simplify (/ 1 1) into 1
3.892 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
3.892 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.892 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.892 * [taylor]: Taking taylor expansion of x in x
3.892 * [backup-simplify]: Simplify 0 into 0
3.892 * [backup-simplify]: Simplify 1 into 1
3.892 * [backup-simplify]: Simplify (* 1 1) into 1
3.893 * [backup-simplify]: Simplify (/ 1 1) into 1
3.893 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
3.893 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.893 * [taylor]: Taking taylor expansion of y in x
3.893 * [backup-simplify]: Simplify y into y
3.893 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.893 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
3.893 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
3.893 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.893 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.893 * [taylor]: Taking taylor expansion of x in x
3.893 * [backup-simplify]: Simplify 0 into 0
3.893 * [backup-simplify]: Simplify 1 into 1
3.894 * [backup-simplify]: Simplify (* 1 1) into 1
3.898 * [backup-simplify]: Simplify (/ 1 1) into 1
3.898 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
3.899 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.899 * [taylor]: Taking taylor expansion of y in x
3.899 * [backup-simplify]: Simplify y into y
3.899 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.899 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
3.900 * [backup-simplify]: Simplify (+ 1 0) into 1
3.900 * [taylor]: Taking taylor expansion of 1 in y
3.900 * [backup-simplify]: Simplify 1 into 1
3.900 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.901 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.902 * [backup-simplify]: Simplify (+ 0 0) into 0
3.902 * [taylor]: Taking taylor expansion of 0 in y
3.902 * [backup-simplify]: Simplify 0 into 0
3.903 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.904 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.904 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
3.904 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
3.904 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
3.904 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.904 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.904 * [taylor]: Taking taylor expansion of y in y
3.904 * [backup-simplify]: Simplify 0 into 0
3.904 * [backup-simplify]: Simplify 1 into 1
3.905 * [backup-simplify]: Simplify (* 1 1) into 1
3.905 * [backup-simplify]: Simplify (/ 1 1) into 1
3.906 * [backup-simplify]: Simplify (- 1) into -1
3.906 * [backup-simplify]: Simplify -1 into -1
3.906 * [backup-simplify]: Simplify 1 into 1
3.907 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.908 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.908 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
3.909 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
3.909 * [backup-simplify]: Simplify (- 0) into 0
3.909 * [backup-simplify]: Simplify (+ 0 0) into 0
3.909 * [taylor]: Taking taylor expansion of 0 in y
3.910 * [backup-simplify]: Simplify 0 into 0
3.910 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.911 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.911 * [backup-simplify]: Simplify (- 0) into 0
3.911 * [backup-simplify]: Simplify 0 into 0
3.912 * [backup-simplify]: Simplify 0 into 0
3.912 * [backup-simplify]: Simplify 0 into 0
3.913 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.914 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.915 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
3.915 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
3.916 * [backup-simplify]: Simplify (- 0) into 0
3.916 * [backup-simplify]: Simplify (+ 0 0) into 0
3.916 * [taylor]: Taking taylor expansion of 0 in y
3.916 * [backup-simplify]: Simplify 0 into 0
3.917 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.918 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.919 * [backup-simplify]: Simplify (- 0) into 0
3.919 * [backup-simplify]: Simplify 0 into 0
3.919 * [backup-simplify]: Simplify 0 into 0
3.919 * [backup-simplify]: Simplify 0 into 0
3.920 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
3.920 * * * [progress]: simplifying candidates
3.921 * [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))
3.921 * * [simplify]: iteration 0: 33 enodes
3.934 * * [simplify]: iteration 1: 111 enodes
3.986 * * [simplify]: iteration 2: 589 enodes
4.272 * * [simplify]: iteration complete: 5000 enodes
4.272 * * [simplify]: Extracting #0: cost 14 inf + 0
4.273 * * [simplify]: Extracting #1: cost 378 inf + 0
4.278 * * [simplify]: Extracting #2: cost 1741 inf + 8767
4.302 * * [simplify]: Extracting #3: cost 1092 inf + 138850
4.388 * * [simplify]: Extracting #4: cost 185 inf + 251345
4.454 * * [simplify]: Extracting #5: cost 22 inf + 291030
4.513 * * [simplify]: Extracting #6: cost 0 inf + 297799
4.570 * [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))
4.570 * * * [progress]: adding candidates to table
4.641 * * [progress]: iteration 2 / 4
4.641 * * * [progress]: picking best candidate
4.644 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
4.644 * * * [progress]: localizing error
4.654 * * * [progress]: generating rewritten candidates
4.654 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
4.712 * * * [progress]: generating series expansions
4.713 * * * * [progress]: [ 1 / 1 ] generating series at (2)
4.713 * [backup-simplify]: Simplify (* (+ x y) (- x y)) into (* (+ x y) (- x y))
4.713 * [approximate]: Taking taylor expansion of (* (+ x y) (- x y)) in (x y) around 0
4.713 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
4.713 * [taylor]: Taking taylor expansion of (+ x y) in y
4.713 * [taylor]: Taking taylor expansion of x in y
4.713 * [backup-simplify]: Simplify x into x
4.713 * [taylor]: Taking taylor expansion of y in y
4.713 * [backup-simplify]: Simplify 0 into 0
4.713 * [backup-simplify]: Simplify 1 into 1
4.713 * [taylor]: Taking taylor expansion of (- x y) in y
4.713 * [taylor]: Taking taylor expansion of x in y
4.713 * [backup-simplify]: Simplify x into x
4.713 * [taylor]: Taking taylor expansion of y in y
4.713 * [backup-simplify]: Simplify 0 into 0
4.713 * [backup-simplify]: Simplify 1 into 1
4.713 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
4.713 * [taylor]: Taking taylor expansion of (+ x y) in x
4.713 * [taylor]: Taking taylor expansion of x in x
4.713 * [backup-simplify]: Simplify 0 into 0
4.713 * [backup-simplify]: Simplify 1 into 1
4.713 * [taylor]: Taking taylor expansion of y in x
4.713 * [backup-simplify]: Simplify y into y
4.714 * [taylor]: Taking taylor expansion of (- x y) in x
4.714 * [taylor]: Taking taylor expansion of x in x
4.714 * [backup-simplify]: Simplify 0 into 0
4.714 * [backup-simplify]: Simplify 1 into 1
4.714 * [taylor]: Taking taylor expansion of y in x
4.714 * [backup-simplify]: Simplify y into y
4.714 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
4.714 * [taylor]: Taking taylor expansion of (+ x y) in x
4.714 * [taylor]: Taking taylor expansion of x in x
4.714 * [backup-simplify]: Simplify 0 into 0
4.714 * [backup-simplify]: Simplify 1 into 1
4.714 * [taylor]: Taking taylor expansion of y in x
4.714 * [backup-simplify]: Simplify y into y
4.714 * [taylor]: Taking taylor expansion of (- x y) in x
4.714 * [taylor]: Taking taylor expansion of x in x
4.714 * [backup-simplify]: Simplify 0 into 0
4.714 * [backup-simplify]: Simplify 1 into 1
4.714 * [taylor]: Taking taylor expansion of y in x
4.714 * [backup-simplify]: Simplify y into y
4.714 * [backup-simplify]: Simplify (+ 0 y) into y
4.714 * [backup-simplify]: Simplify (- y) into (- y)
4.714 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
4.714 * [backup-simplify]: Simplify (* y (- y)) into (* -1 (pow y 2))
4.714 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
4.714 * [taylor]: Taking taylor expansion of -1 in y
4.714 * [backup-simplify]: Simplify -1 into -1
4.715 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.715 * [taylor]: Taking taylor expansion of y in y
4.715 * [backup-simplify]: Simplify 0 into 0
4.715 * [backup-simplify]: Simplify 1 into 1
4.715 * [backup-simplify]: Simplify (- 0) into 0
4.716 * [backup-simplify]: Simplify (+ 1 0) into 1
4.717 * [backup-simplify]: Simplify (+ 1 0) into 1
4.717 * [backup-simplify]: Simplify (+ (* y 1) (* 1 (- y))) into 0
4.717 * [taylor]: Taking taylor expansion of 0 in y
4.717 * [backup-simplify]: Simplify 0 into 0
4.717 * [backup-simplify]: Simplify 0 into 0
4.717 * [backup-simplify]: Simplify (- 0) into 0
4.718 * [backup-simplify]: Simplify (+ 0 0) into 0
4.718 * [backup-simplify]: Simplify (+ 0 0) into 0
4.719 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 1) (* 0 (- y)))) into 1
4.719 * [taylor]: Taking taylor expansion of 1 in y
4.719 * [backup-simplify]: Simplify 1 into 1
4.719 * [backup-simplify]: Simplify 1 into 1
4.719 * [backup-simplify]: Simplify 0 into 0
4.724 * [backup-simplify]: Simplify (* 1 1) into 1
4.725 * [backup-simplify]: Simplify (* -1 1) into -1
4.725 * [backup-simplify]: Simplify -1 into -1
4.725 * [backup-simplify]: Simplify (- 0) into 0
4.726 * [backup-simplify]: Simplify (+ 0 0) into 0
4.726 * [backup-simplify]: Simplify (+ 0 0) into 0
4.727 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 0) (+ (* 0 1) (* 0 (- y))))) into 0
4.727 * [taylor]: Taking taylor expansion of 0 in y
4.727 * [backup-simplify]: Simplify 0 into 0
4.728 * [backup-simplify]: Simplify 0 into 0
4.728 * [backup-simplify]: Simplify 0 into 0
4.728 * [backup-simplify]: Simplify 0 into 0
4.729 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.730 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 1)) into 0
4.730 * [backup-simplify]: Simplify 0 into 0
4.730 * [backup-simplify]: Simplify (- 0) into 0
4.731 * [backup-simplify]: Simplify (+ 0 0) into 0
4.731 * [backup-simplify]: Simplify (+ 0 0) into 0
4.733 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 (- y)))))) into 0
4.733 * [taylor]: Taking taylor expansion of 0 in y
4.733 * [backup-simplify]: Simplify 0 into 0
4.733 * [backup-simplify]: Simplify 0 into 0
4.733 * [backup-simplify]: Simplify 0 into 0
4.734 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
4.734 * [backup-simplify]: Simplify (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) into (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y)))
4.734 * [approximate]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in (x y) around 0
4.734 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in y
4.734 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
4.734 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.734 * [taylor]: Taking taylor expansion of x in y
4.734 * [backup-simplify]: Simplify x into x
4.734 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.734 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.734 * [taylor]: Taking taylor expansion of y in y
4.734 * [backup-simplify]: Simplify 0 into 0
4.734 * [backup-simplify]: Simplify 1 into 1
4.735 * [backup-simplify]: Simplify (/ 1 1) into 1
4.735 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
4.735 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.735 * [taylor]: Taking taylor expansion of x in y
4.735 * [backup-simplify]: Simplify x into x
4.735 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.735 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.735 * [taylor]: Taking taylor expansion of y in y
4.735 * [backup-simplify]: Simplify 0 into 0
4.735 * [backup-simplify]: Simplify 1 into 1
4.736 * [backup-simplify]: Simplify (/ 1 1) into 1
4.736 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in x
4.736 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
4.736 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.736 * [taylor]: Taking taylor expansion of x in x
4.736 * [backup-simplify]: Simplify 0 into 0
4.736 * [backup-simplify]: Simplify 1 into 1
4.737 * [backup-simplify]: Simplify (/ 1 1) into 1
4.737 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.737 * [taylor]: Taking taylor expansion of y in x
4.737 * [backup-simplify]: Simplify y into y
4.737 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.737 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
4.737 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.737 * [taylor]: Taking taylor expansion of x in x
4.737 * [backup-simplify]: Simplify 0 into 0
4.737 * [backup-simplify]: Simplify 1 into 1
4.737 * [backup-simplify]: Simplify (/ 1 1) into 1
4.738 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.738 * [taylor]: Taking taylor expansion of y in x
4.738 * [backup-simplify]: Simplify y into y
4.738 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.738 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in x
4.738 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
4.738 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.738 * [taylor]: Taking taylor expansion of x in x
4.738 * [backup-simplify]: Simplify 0 into 0
4.738 * [backup-simplify]: Simplify 1 into 1
4.738 * [backup-simplify]: Simplify (/ 1 1) into 1
4.738 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.738 * [taylor]: Taking taylor expansion of y in x
4.738 * [backup-simplify]: Simplify y into y
4.739 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.739 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
4.739 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.739 * [taylor]: Taking taylor expansion of x in x
4.739 * [backup-simplify]: Simplify 0 into 0
4.739 * [backup-simplify]: Simplify 1 into 1
4.739 * [backup-simplify]: Simplify (/ 1 1) into 1
4.739 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.739 * [taylor]: Taking taylor expansion of y in x
4.739 * [backup-simplify]: Simplify y into y
4.739 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.740 * [backup-simplify]: Simplify (+ 1 0) into 1
4.740 * [backup-simplify]: Simplify (+ 1 0) into 1
4.741 * [backup-simplify]: Simplify (* 1 1) into 1
4.741 * [taylor]: Taking taylor expansion of 1 in y
4.741 * [backup-simplify]: Simplify 1 into 1
4.742 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.742 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
4.743 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
4.744 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.744 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
4.744 * [backup-simplify]: Simplify (+ (* 1 (- (/ 1 y))) (* (/ 1 y) 1)) into 0
4.744 * [taylor]: Taking taylor expansion of 0 in y
4.744 * [backup-simplify]: Simplify 0 into 0
4.745 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.745 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.746 * [backup-simplify]: Simplify (- 0) into 0
4.746 * [backup-simplify]: Simplify (+ 0 0) into 0
4.748 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.748 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.749 * [backup-simplify]: Simplify (+ 0 0) into 0
4.750 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) (- (/ 1 y))) (* 0 1))) into (- (/ 1 (pow y 2)))
4.750 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
4.750 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.750 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.750 * [taylor]: Taking taylor expansion of y in y
4.750 * [backup-simplify]: Simplify 0 into 0
4.750 * [backup-simplify]: Simplify 1 into 1
4.751 * [backup-simplify]: Simplify (* 1 1) into 1
4.751 * [backup-simplify]: Simplify (/ 1 1) into 1
4.751 * [backup-simplify]: Simplify (- 1) into -1
4.751 * [backup-simplify]: Simplify -1 into -1
4.752 * [backup-simplify]: Simplify 1 into 1
4.753 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.753 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.753 * [backup-simplify]: Simplify (- 0) into 0
4.754 * [backup-simplify]: Simplify (+ 0 0) into 0
4.754 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.754 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.755 * [backup-simplify]: Simplify (+ 0 0) into 0
4.755 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
4.755 * [taylor]: Taking taylor expansion of 0 in y
4.755 * [backup-simplify]: Simplify 0 into 0
4.756 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.756 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.757 * [backup-simplify]: Simplify (- 0) into 0
4.757 * [backup-simplify]: Simplify 0 into 0
4.757 * [backup-simplify]: Simplify 0 into 0
4.757 * [backup-simplify]: Simplify 0 into 0
4.757 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.757 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.758 * [backup-simplify]: Simplify (- 0) into 0
4.758 * [backup-simplify]: Simplify (+ 0 0) into 0
4.758 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.759 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.759 * [backup-simplify]: Simplify (+ 0 0) into 0
4.760 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
4.760 * [taylor]: Taking taylor expansion of 0 in y
4.760 * [backup-simplify]: Simplify 0 into 0
4.760 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.761 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.761 * [backup-simplify]: Simplify (- 0) into 0
4.761 * [backup-simplify]: Simplify 0 into 0
4.761 * [backup-simplify]: Simplify 0 into 0
4.761 * [backup-simplify]: Simplify 0 into 0
4.762 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
4.762 * [backup-simplify]: Simplify (* (+ (/ 1 (- x)) (/ 1 (- y))) (- (/ 1 (- x)) (/ 1 (- y)))) into (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))))
4.762 * [approximate]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in (x y) around 0
4.762 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in y
4.762 * [taylor]: Taking taylor expansion of -1 in y
4.762 * [backup-simplify]: Simplify -1 into -1
4.762 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))) in y
4.762 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
4.762 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.762 * [taylor]: Taking taylor expansion of y in y
4.762 * [backup-simplify]: Simplify 0 into 0
4.762 * [backup-simplify]: Simplify 1 into 1
4.763 * [backup-simplify]: Simplify (/ 1 1) into 1
4.763 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.763 * [taylor]: Taking taylor expansion of x in y
4.763 * [backup-simplify]: Simplify x into x
4.763 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.763 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
4.763 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.763 * [taylor]: Taking taylor expansion of x in y
4.763 * [backup-simplify]: Simplify x into x
4.763 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.763 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.763 * [taylor]: Taking taylor expansion of y in y
4.763 * [backup-simplify]: Simplify 0 into 0
4.763 * [backup-simplify]: Simplify 1 into 1
4.763 * [backup-simplify]: Simplify (/ 1 1) into 1
4.763 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in x
4.763 * [taylor]: Taking taylor expansion of -1 in x
4.763 * [backup-simplify]: Simplify -1 into -1
4.763 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))) in x
4.763 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
4.763 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.763 * [taylor]: Taking taylor expansion of y in x
4.763 * [backup-simplify]: Simplify y into y
4.763 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.763 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.763 * [taylor]: Taking taylor expansion of x in x
4.763 * [backup-simplify]: Simplify 0 into 0
4.763 * [backup-simplify]: Simplify 1 into 1
4.764 * [backup-simplify]: Simplify (/ 1 1) into 1
4.764 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
4.764 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.764 * [taylor]: Taking taylor expansion of x in x
4.764 * [backup-simplify]: Simplify 0 into 0
4.764 * [backup-simplify]: Simplify 1 into 1
4.764 * [backup-simplify]: Simplify (/ 1 1) into 1
4.764 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.764 * [taylor]: Taking taylor expansion of y in x
4.764 * [backup-simplify]: Simplify y into y
4.764 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.764 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in x
4.764 * [taylor]: Taking taylor expansion of -1 in x
4.764 * [backup-simplify]: Simplify -1 into -1
4.764 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))) in x
4.764 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
4.764 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.764 * [taylor]: Taking taylor expansion of y in x
4.764 * [backup-simplify]: Simplify y into y
4.764 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.764 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.764 * [taylor]: Taking taylor expansion of x in x
4.764 * [backup-simplify]: Simplify 0 into 0
4.764 * [backup-simplify]: Simplify 1 into 1
4.765 * [backup-simplify]: Simplify (/ 1 1) into 1
4.765 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
4.765 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.765 * [taylor]: Taking taylor expansion of x in x
4.765 * [backup-simplify]: Simplify 0 into 0
4.765 * [backup-simplify]: Simplify 1 into 1
4.765 * [backup-simplify]: Simplify (/ 1 1) into 1
4.765 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.765 * [taylor]: Taking taylor expansion of y in x
4.765 * [backup-simplify]: Simplify y into y
4.765 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.765 * [backup-simplify]: Simplify (- 1) into -1
4.766 * [backup-simplify]: Simplify (+ 0 -1) into -1
4.766 * [backup-simplify]: Simplify (+ 1 0) into 1
4.766 * [backup-simplify]: Simplify (* -1 1) into -1
4.766 * [backup-simplify]: Simplify (* -1 -1) into 1
4.766 * [taylor]: Taking taylor expansion of 1 in y
4.766 * [backup-simplify]: Simplify 1 into 1
4.767 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.767 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
4.767 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.768 * [backup-simplify]: Simplify (- 0) into 0
4.768 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
4.768 * [backup-simplify]: Simplify (+ (* -1 (/ 1 y)) (* (/ 1 y) 1)) into 0
4.768 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 -1)) into 0
4.768 * [taylor]: Taking taylor expansion of 0 in y
4.768 * [backup-simplify]: Simplify 0 into 0
4.769 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.769 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.769 * [backup-simplify]: Simplify (+ 0 0) into 0
4.769 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.770 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.770 * [backup-simplify]: Simplify (- 0) into 0
4.771 * [backup-simplify]: Simplify (+ 0 0) into 0
4.771 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) (/ 1 y)) (* 0 1))) into (/ 1 (pow y 2))
4.772 * [backup-simplify]: Simplify (+ (* -1 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1))) into (- (/ 1 (pow y 2)))
4.772 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
4.772 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.772 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.772 * [taylor]: Taking taylor expansion of y in y
4.772 * [backup-simplify]: Simplify 0 into 0
4.772 * [backup-simplify]: Simplify 1 into 1
4.772 * [backup-simplify]: Simplify (* 1 1) into 1
4.772 * [backup-simplify]: Simplify (/ 1 1) into 1
4.773 * [backup-simplify]: Simplify (- 1) into -1
4.773 * [backup-simplify]: Simplify -1 into -1
4.773 * [backup-simplify]: Simplify 1 into 1
4.773 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.773 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.774 * [backup-simplify]: Simplify (+ 0 0) into 0
4.774 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.774 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.775 * [backup-simplify]: Simplify (- 0) into 0
4.775 * [backup-simplify]: Simplify (+ 0 0) into 0
4.775 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 (/ 1 y)) (* 0 1)))) into 0
4.776 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1)))) into 0
4.776 * [taylor]: Taking taylor expansion of 0 in y
4.776 * [backup-simplify]: Simplify 0 into 0
4.777 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.777 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.778 * [backup-simplify]: Simplify (- 0) into 0
4.778 * [backup-simplify]: Simplify 0 into 0
4.778 * [backup-simplify]: Simplify 0 into 0
4.778 * [backup-simplify]: Simplify 0 into 0
4.778 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.778 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.779 * [backup-simplify]: Simplify (+ 0 0) into 0
4.779 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
4.779 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.780 * [backup-simplify]: Simplify (- 0) into 0
4.780 * [backup-simplify]: Simplify (+ 0 0) into 0
4.781 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 1))))) into 0
4.782 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1))))) into 0
4.782 * [taylor]: Taking taylor expansion of 0 in y
4.782 * [backup-simplify]: Simplify 0 into 0
4.783 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.784 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.785 * [backup-simplify]: Simplify (- 0) into 0
4.785 * [backup-simplify]: Simplify 0 into 0
4.785 * [backup-simplify]: Simplify 0 into 0
4.785 * [backup-simplify]: Simplify 0 into 0
4.786 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
4.786 * * * [progress]: simplifying candidates
4.787 * [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))
4.788 * * [simplify]: iteration 0: 70 enodes
4.814 * * [simplify]: iteration 1: 213 enodes
4.946 * * [simplify]: iteration 2: 1544 enodes
5.585 * * [simplify]: iteration complete: 5002 enodes
5.586 * * [simplify]: Extracting #0: cost 27 inf + 0
5.587 * * [simplify]: Extracting #1: cost 1029 inf + 0
5.593 * * [simplify]: Extracting #2: cost 1939 inf + 11370
5.632 * * [simplify]: Extracting #3: cost 1359 inf + 182596
5.743 * * [simplify]: Extracting #4: cost 117 inf + 386493
5.855 * * [simplify]: Extracting #5: cost 35 inf + 393294
5.931 * * [simplify]: Extracting #6: cost 24 inf + 396170
6.010 * * [simplify]: Extracting #7: cost 5 inf + 398824
6.075 * * [simplify]: Extracting #8: cost 0 inf + 400089
6.156 * [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))
6.158 * * * [progress]: adding candidates to table
6.315 * [progress]: [Phase 3 of 3] Extracting.
6.316 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
6.316 * * * [regime-changes]: Trying 5 branch expressions: ((* y y) (* x x) (- (* x x) (* y y)) y x)
6.316 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
6.369 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
6.397 * * * * [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)))>)
6.433 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
6.461 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
6.492 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
6.492 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
6.492 * * [simplify]: iteration 0: 5 enodes
6.493 * * [simplify]: iteration 1: 7 enodes
6.493 * * [simplify]: iteration complete: 7 enodes
6.493 * * [simplify]: Extracting #0: cost 1 inf + 0
6.493 * * [simplify]: Extracting #1: cost 3 inf + 0
6.493 * * [simplify]: Extracting #2: cost 5 inf + 0
6.493 * * [simplify]: Extracting #3: cost 3 inf + 2
6.493 * * [simplify]: Extracting #4: cost 0 inf + 208
6.493 * [simplify]: Simplified to:
  (* (+ y x) (- x y))
8.113 * [regime-testing]: Baseline error score: 0.0010001250156269534
8.123 * [regime-testing]: Oracle error score: 0.0005000625078134767
8.156 * [regime-testing]: End program error score: 0.0010001250156269534