0.714 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.270 * * * [progress]: [2/2] Setting up program.
0.306 * [progress]: [Phase 2 of 3] Improving.
0.307 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
0.311 * [simplify]: Simplifying:
  (- (pow x 4) (pow y 4))
0.313 * * [simplify]: iteration 1: (6 enodes)
0.322 * * [simplify]: iteration 2: (14 enodes)
0.329 * * [simplify]: iteration 3: (38 enodes)
0.336 * * [simplify]: iteration 4: (51 enodes)
0.341 * * [simplify]: iteration 5: (68 enodes)
0.348 * * [simplify]: iteration 6: (123 enodes)
0.394 * * [simplify]: iteration 7: (277 enodes)
0.468 * * [simplify]: iteration 8: (551 enodes)
0.714 * * [simplify]: iteration 9: (1277 enodes)
3.265 * * [simplify]: Extracting #0: cost 1 inf + 0
3.265 * * [simplify]: Extracting #1: cost 155 inf + 0
3.272 * * [simplify]: Extracting #2: cost 796 inf + 1
3.281 * * [simplify]: Extracting #3: cost 861 inf + 3213
3.333 * * [simplify]: Extracting #4: cost 496 inf + 101312
3.425 * * [simplify]: Extracting #5: cost 26 inf + 239491
3.538 * * [simplify]: Extracting #6: cost 0 inf + 238309
3.664 * * [simplify]: Extracting #7: cost 0 inf + 238189
3.774 * [simplify]: Simplified to:
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
3.784 * * [progress]: iteration 1 / 4
3.785 * * * [progress]: picking best candidate
3.789 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
3.789 * * * [progress]: localizing error
3.802 * * * [progress]: generating rewritten candidates
3.802 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.828 * * * [progress]: generating series expansions
3.828 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.836 * [backup-simplify]: Simplify (- (pow x 4) (pow y 4)) into (- (pow x 4) (pow y 4))
3.836 * [approximate]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in (x y) around 0
3.837 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
3.837 * [taylor]: Taking taylor expansion of (pow x 4) in y
3.837 * [taylor]: Taking taylor expansion of x in y
3.837 * [backup-simplify]: Simplify x into x
3.838 * [taylor]: Taking taylor expansion of (pow y 4) in y
3.838 * [taylor]: Taking taylor expansion of y in y
3.838 * [backup-simplify]: Simplify 0 into 0
3.838 * [backup-simplify]: Simplify 1 into 1
3.838 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
3.838 * [taylor]: Taking taylor expansion of (pow x 4) in x
3.838 * [taylor]: Taking taylor expansion of x in x
3.838 * [backup-simplify]: Simplify 0 into 0
3.839 * [backup-simplify]: Simplify 1 into 1
3.839 * [taylor]: Taking taylor expansion of (pow y 4) in x
3.839 * [taylor]: Taking taylor expansion of y in x
3.839 * [backup-simplify]: Simplify y into y
3.839 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
3.839 * [taylor]: Taking taylor expansion of (pow x 4) in x
3.839 * [taylor]: Taking taylor expansion of x in x
3.839 * [backup-simplify]: Simplify 0 into 0
3.839 * [backup-simplify]: Simplify 1 into 1
3.839 * [taylor]: Taking taylor expansion of (pow y 4) in x
3.839 * [taylor]: Taking taylor expansion of y in x
3.839 * [backup-simplify]: Simplify y into y
3.840 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.840 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
3.840 * [backup-simplify]: Simplify (- (pow y 4)) into (- (pow y 4))
3.840 * [backup-simplify]: Simplify (+ 0 (- (pow y 4))) into (- (pow y 4))
3.840 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y
3.840 * [taylor]: Taking taylor expansion of (pow y 4) in y
3.840 * [taylor]: Taking taylor expansion of y in y
3.840 * [backup-simplify]: Simplify 0 into 0
3.840 * [backup-simplify]: Simplify 1 into 1
3.841 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
3.841 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
3.842 * [backup-simplify]: Simplify (- 0) into 0
3.842 * [backup-simplify]: Simplify (+ 0 0) into 0
3.842 * [taylor]: Taking taylor expansion of 0 in y
3.842 * [backup-simplify]: Simplify 0 into 0
3.842 * [backup-simplify]: Simplify 0 into 0
3.843 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
3.844 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
3.844 * [backup-simplify]: Simplify (- 0) into 0
3.844 * [backup-simplify]: Simplify (+ 0 0) into 0
3.844 * [taylor]: Taking taylor expansion of 0 in y
3.845 * [backup-simplify]: Simplify 0 into 0
3.845 * [backup-simplify]: Simplify 0 into 0
3.845 * [backup-simplify]: Simplify 0 into 0
3.845 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
3.847 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow y 2))))) into 0
3.847 * [backup-simplify]: Simplify (- 0) into 0
3.847 * [backup-simplify]: Simplify (+ 0 0) into 0
3.847 * [taylor]: Taking taylor expansion of 0 in y
3.847 * [backup-simplify]: Simplify 0 into 0
3.847 * [backup-simplify]: Simplify 0 into 0
3.848 * [backup-simplify]: Simplify 0 into 0
3.848 * [backup-simplify]: Simplify 0 into 0
3.848 * [backup-simplify]: Simplify 0 into 0
3.848 * [backup-simplify]: Simplify (- (pow (/ 1 x) 4) (pow (/ 1 y) 4)) into (- (/ 1 (pow x 4)) (/ 1 (pow y 4)))
3.848 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
3.848 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
3.848 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
3.848 * [taylor]: Taking taylor expansion of (pow x 4) in y
3.848 * [taylor]: Taking taylor expansion of x in y
3.848 * [backup-simplify]: Simplify x into x
3.849 * [backup-simplify]: Simplify (* x x) into (pow x 2)
3.849 * [backup-simplify]: Simplify (* (pow x 2) (pow x 2)) into (pow x 4)
3.849 * [backup-simplify]: Simplify (/ 1 (pow x 4)) into (/ 1 (pow x 4))
3.849 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
3.849 * [taylor]: Taking taylor expansion of (pow y 4) 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 (* 1 1) into 1
3.850 * [backup-simplify]: Simplify (* 1 1) into 1
3.850 * [backup-simplify]: Simplify (/ 1 1) into 1
3.850 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
3.850 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
3.850 * [taylor]: Taking taylor expansion of (pow x 4) in x
3.850 * [taylor]: Taking taylor expansion of x in x
3.850 * [backup-simplify]: Simplify 0 into 0
3.850 * [backup-simplify]: Simplify 1 into 1
3.851 * [backup-simplify]: Simplify (* 1 1) into 1
3.851 * [backup-simplify]: Simplify (* 1 1) into 1
3.851 * [backup-simplify]: Simplify (/ 1 1) into 1
3.851 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
3.852 * [taylor]: Taking taylor expansion of (pow y 4) in x
3.852 * [taylor]: Taking taylor expansion of y in x
3.852 * [backup-simplify]: Simplify y into y
3.852 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.852 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
3.852 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
3.852 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
3.852 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
3.852 * [taylor]: Taking taylor expansion of (pow x 4) in x
3.852 * [taylor]: Taking taylor expansion of x in x
3.852 * [backup-simplify]: Simplify 0 into 0
3.852 * [backup-simplify]: Simplify 1 into 1
3.853 * [backup-simplify]: Simplify (* 1 1) into 1
3.853 * [backup-simplify]: Simplify (* 1 1) into 1
3.853 * [backup-simplify]: Simplify (/ 1 1) into 1
3.853 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
3.853 * [taylor]: Taking taylor expansion of (pow y 4) in x
3.853 * [taylor]: Taking taylor expansion of y in x
3.853 * [backup-simplify]: Simplify y into y
3.854 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.854 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
3.854 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
3.854 * [backup-simplify]: Simplify (+ 1 0) into 1
3.854 * [taylor]: Taking taylor expansion of 1 in y
3.854 * [backup-simplify]: Simplify 1 into 1
3.855 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.856 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.857 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) 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
3.858 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.859 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.860 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.860 * [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
3.862 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.862 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.863 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.863 * [backup-simplify]: Simplify (+ 0 0) into 0
3.863 * [taylor]: Taking taylor expansion of 0 in y
3.863 * [backup-simplify]: Simplify 0 into 0
3.864 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.865 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.865 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.865 * [backup-simplify]: Simplify (- (/ 1 (pow y 4))) into (- (/ 1 (pow y 4)))
3.866 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 4)))) into (- (/ 1 (pow y 4)))
3.866 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
3.866 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
3.866 * [taylor]: Taking taylor expansion of (pow y 4) in y
3.866 * [taylor]: Taking taylor expansion of y in y
3.866 * [backup-simplify]: Simplify 0 into 0
3.866 * [backup-simplify]: Simplify 1 into 1
3.866 * [backup-simplify]: Simplify (* 1 1) into 1
3.866 * [backup-simplify]: Simplify (* 1 1) into 1
3.866 * [backup-simplify]: Simplify (/ 1 1) into 1
3.867 * [backup-simplify]: Simplify (- 1) into -1
3.867 * [backup-simplify]: Simplify -1 into -1
3.867 * [backup-simplify]: Simplify 1 into 1
3.868 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.869 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.869 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.869 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
3.869 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
3.869 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))))) into 0
3.870 * [backup-simplify]: Simplify (- 0) into 0
3.870 * [backup-simplify]: Simplify (+ 0 0) into 0
3.870 * [taylor]: Taking taylor expansion of 0 in y
3.870 * [backup-simplify]: Simplify 0 into 0
3.870 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.871 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.871 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.871 * [backup-simplify]: Simplify (- 0) into 0
3.872 * [backup-simplify]: Simplify 0 into 0
3.872 * [backup-simplify]: Simplify 0 into 0
3.872 * [backup-simplify]: Simplify 0 into 0
3.873 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.873 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.874 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.874 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
3.875 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
3.875 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))) (* 0 (/ 0 (pow y 4))))) into 0
3.875 * [backup-simplify]: Simplify (- 0) into 0
3.875 * [backup-simplify]: Simplify (+ 0 0) into 0
3.875 * [taylor]: Taking taylor expansion of 0 in y
3.875 * [backup-simplify]: Simplify 0 into 0
3.876 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.877 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.877 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.877 * [backup-simplify]: Simplify (- 0) into 0
3.877 * [backup-simplify]: Simplify 0 into 0
3.877 * [backup-simplify]: Simplify 0 into 0
3.877 * [backup-simplify]: Simplify 0 into 0
3.878 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 4)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 4))) into (- (pow x 4) (pow y 4))
3.878 * [backup-simplify]: Simplify (- (pow (/ 1 (- x)) 4) (pow (/ 1 (- y)) 4)) into (- (/ 1 (pow x 4)) (/ 1 (pow y 4)))
3.878 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
3.878 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
3.878 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
3.878 * [taylor]: Taking taylor expansion of (pow x 4) in y
3.878 * [taylor]: Taking taylor expansion of x in y
3.878 * [backup-simplify]: Simplify x into x
3.878 * [backup-simplify]: Simplify (* x x) into (pow x 2)
3.878 * [backup-simplify]: Simplify (* (pow x 2) (pow x 2)) into (pow x 4)
3.878 * [backup-simplify]: Simplify (/ 1 (pow x 4)) into (/ 1 (pow x 4))
3.878 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
3.878 * [taylor]: Taking taylor expansion of (pow y 4) in y
3.878 * [taylor]: Taking taylor expansion of y in y
3.878 * [backup-simplify]: Simplify 0 into 0
3.878 * [backup-simplify]: Simplify 1 into 1
3.879 * [backup-simplify]: Simplify (* 1 1) into 1
3.879 * [backup-simplify]: Simplify (* 1 1) into 1
3.880 * [backup-simplify]: Simplify (/ 1 1) into 1
3.880 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
3.880 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
3.880 * [taylor]: Taking taylor expansion of (pow x 4) in x
3.880 * [taylor]: Taking taylor expansion of x in x
3.880 * [backup-simplify]: Simplify 0 into 0
3.880 * [backup-simplify]: Simplify 1 into 1
3.880 * [backup-simplify]: Simplify (* 1 1) into 1
3.880 * [backup-simplify]: Simplify (* 1 1) into 1
3.880 * [backup-simplify]: Simplify (/ 1 1) into 1
3.880 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
3.880 * [taylor]: Taking taylor expansion of (pow y 4) in x
3.880 * [taylor]: Taking taylor expansion of y in x
3.880 * [backup-simplify]: Simplify y into y
3.880 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.881 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
3.881 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
3.881 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
3.881 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
3.881 * [taylor]: Taking taylor expansion of (pow x 4) in x
3.881 * [taylor]: Taking taylor expansion of x in x
3.881 * [backup-simplify]: Simplify 0 into 0
3.881 * [backup-simplify]: Simplify 1 into 1
3.881 * [backup-simplify]: Simplify (* 1 1) into 1
3.881 * [backup-simplify]: Simplify (* 1 1) into 1
3.881 * [backup-simplify]: Simplify (/ 1 1) into 1
3.881 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
3.882 * [taylor]: Taking taylor expansion of (pow y 4) in x
3.882 * [taylor]: Taking taylor expansion of y in x
3.882 * [backup-simplify]: Simplify y into y
3.882 * [backup-simplify]: Simplify (* y y) into (pow y 2)
3.882 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
3.882 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
3.882 * [backup-simplify]: Simplify (+ 1 0) into 1
3.882 * [taylor]: Taking taylor expansion of 1 in y
3.882 * [backup-simplify]: Simplify 1 into 1
3.883 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.883 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.884 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.884 * [backup-simplify]: Simplify (+ 0 0) into 0
3.884 * [taylor]: Taking taylor expansion of 0 in y
3.884 * [backup-simplify]: Simplify 0 into 0
3.885 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.886 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.886 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.886 * [backup-simplify]: Simplify (+ 0 0) into 0
3.886 * [taylor]: Taking taylor expansion of 0 in y
3.886 * [backup-simplify]: Simplify 0 into 0
3.887 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.888 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.888 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.888 * [backup-simplify]: Simplify (+ 0 0) into 0
3.889 * [taylor]: Taking taylor expansion of 0 in y
3.889 * [backup-simplify]: Simplify 0 into 0
3.889 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.890 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.891 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.891 * [backup-simplify]: Simplify (- (/ 1 (pow y 4))) into (- (/ 1 (pow y 4)))
3.891 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 4)))) into (- (/ 1 (pow y 4)))
3.891 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
3.891 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
3.891 * [taylor]: Taking taylor expansion of (pow y 4) 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
3.891 * [backup-simplify]: Simplify (* 1 1) into 1
3.892 * [backup-simplify]: Simplify (/ 1 1) into 1
3.892 * [backup-simplify]: Simplify (- 1) into -1
3.892 * [backup-simplify]: Simplify -1 into -1
3.892 * [backup-simplify]: Simplify 1 into 1
3.893 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.894 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.894 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.894 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
3.894 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
3.894 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))))) into 0
3.895 * [backup-simplify]: Simplify (- 0) into 0
3.895 * [backup-simplify]: Simplify (+ 0 0) into 0
3.895 * [taylor]: Taking taylor expansion of 0 in y
3.895 * [backup-simplify]: Simplify 0 into 0
3.896 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.896 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.896 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.897 * [backup-simplify]: Simplify (- 0) into 0
3.897 * [backup-simplify]: Simplify 0 into 0
3.897 * [backup-simplify]: Simplify 0 into 0
3.897 * [backup-simplify]: Simplify 0 into 0
3.898 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.899 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.899 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.900 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
3.900 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
3.900 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))) (* 0 (/ 0 (pow y 4))))) into 0
3.900 * [backup-simplify]: Simplify (- 0) into 0
3.901 * [backup-simplify]: Simplify (+ 0 0) into 0
3.901 * [taylor]: Taking taylor expansion of 0 in y
3.901 * [backup-simplify]: Simplify 0 into 0
3.901 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.902 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.902 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.903 * [backup-simplify]: Simplify (- 0) into 0
3.903 * [backup-simplify]: Simplify 0 into 0
3.903 * [backup-simplify]: Simplify 0 into 0
3.903 * [backup-simplify]: Simplify 0 into 0
3.903 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 4)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 4))) into (- (pow x 4) (pow y 4))
3.903 * * * [progress]: simplifying candidates
3.903 * * * * [progress]: [ 1 / 26 ] simplifiying candidate #<alt (λ (x y) (log (/ (exp (pow x 4)) (exp (pow y 4)))))>
3.903 * * * * [progress]: [ 2 / 26 ] simplifiying candidate #<alt (λ (x y) (pow (- (pow x 4) (pow y 4)) 1))>
3.903 * * * * [progress]: [ 3 / 26 ] simplifiying candidate #<alt (λ (x y) (exp (log (- (pow x 4) (pow y 4)))))>
3.903 * * * * [progress]: [ 4 / 26 ] simplifiying candidate #<alt (λ (x y) (log (exp (- (pow x 4) (pow y 4)))))>
3.903 * * * * [progress]: [ 5 / 26 ] simplifiying candidate #<alt (λ (x y) (* (* (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (pow x 4) (pow y 4)))) (cbrt (- (pow x 4) (pow y 4)))))>
3.903 * * * * [progress]: [ 6 / 26 ] simplifiying candidate #<alt (λ (x y) (cbrt (* (* (- (pow x 4) (pow y 4)) (- (pow x 4) (pow y 4))) (- (pow x 4) (pow y 4)))))>
3.903 * * * * [progress]: [ 7 / 26 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (- (pow x 4) (pow y 4))) (sqrt (- (pow x 4) (pow y 4)))))>
3.903 * * * * [progress]: [ 8 / 26 ] simplifiying candidate #<alt (λ (x y) (/ (- (pow (pow x 4) 3) (pow (pow y 4) 3)) (+ (* (pow x 4) (pow x 4)) (+ (* (pow y 4) (pow y 4)) (* (pow x 4) (pow y 4))))))>
3.903 * * * * [progress]: [ 9 / 26 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y 4))))>
3.903 * * * * [progress]: [ 10 / 26 ] simplifiying candidate #<alt (λ (x y) (* 1 (- (pow x 4) (pow y 4))))>
3.903 * * * * [progress]: [ 11 / 26 ] simplifiying candidate #<alt (λ (x y) (/ (- (* (pow x 4) (pow x 4)) (* (pow y 4) (pow y 4))) (+ (pow x 4) (pow y 4))))>
3.903 * * * * [progress]: [ 12 / 26 ] simplifiying candidate #<alt (λ (x y) (* (+ (pow (sqrt x) 4) (pow (sqrt y) 4)) (- (pow (sqrt x) 4) (pow (sqrt y) 4))))>
3.904 * * * * [progress]: [ 13 / 26 ] simplifiying candidate #<alt (λ (x y) (* (+ (pow (sqrt x) 4) (sqrt (pow y 4))) (- (pow (sqrt x) 4) (sqrt (pow y 4)))))>
3.904 * * * * [progress]: [ 14 / 26 ] simplifiying candidate #<alt (λ (x y) (* (+ (pow (sqrt x) 4) (pow y (/ 4 2))) (- (pow (sqrt x) 4) (pow y (/ 4 2)))))>
3.904 * * * * [progress]: [ 15 / 26 ] simplifiying candidate #<alt (λ (x y) (* (+ (sqrt (pow x 4)) (pow (sqrt y) 4)) (- (sqrt (pow x 4)) (pow (sqrt y) 4))))>
3.904 * * * * [progress]: [ 16 / 26 ] simplifiying candidate #<alt (λ (x y) (* (+ (sqrt (pow x 4)) (sqrt (pow y 4))) (- (sqrt (pow x 4)) (sqrt (pow y 4)))))>
3.904 * * * * [progress]: [ 17 / 26 ] simplifiying candidate #<alt (λ (x y) (* (+ (sqrt (pow x 4)) (pow y (/ 4 2))) (- (sqrt (pow x 4)) (pow y (/ 4 2)))))>
3.904 * * * * [progress]: [ 18 / 26 ] simplifiying candidate #<alt (λ (x y) (* (+ (pow x (/ 4 2)) (pow (sqrt y) 4)) (- (pow x (/ 4 2)) (pow (sqrt y) 4))))>
3.904 * * * * [progress]: [ 19 / 26 ] simplifiying candidate #<alt (λ (x y) (* (+ (pow x (/ 4 2)) (sqrt (pow y 4))) (- (pow x (/ 4 2)) (sqrt (pow y 4)))))>
3.904 * * * * [progress]: [ 20 / 26 ] simplifiying candidate #<alt (λ (x y) (* (+ (pow x (/ 4 2)) (pow y (/ 4 2))) (- (pow x (/ 4 2)) (pow y (/ 4 2)))))>
3.904 * * * * [progress]: [ 21 / 26 ] simplifiying candidate #<alt (λ (x y) (* (pow 1 4) (- (pow x 4) (pow y 4))))>
3.904 * * * * [progress]: [ 22 / 26 ] simplifiying candidate #<alt (λ (x y) (* 1 (- (pow x 4) (pow y 4))))>
3.904 * * * * [progress]: [ 23 / 26 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y 4))))>
3.904 * * * * [progress]: [ 24 / 26 ] simplifiying candidate #<alt (λ (x y) 0)>
3.904 * * * * [progress]: [ 25 / 26 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
3.904 * * * * [progress]: [ 26 / 26 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
3.904 * [simplify]: Simplifying:
  (/ (exp (pow x 4)) (exp (pow y 4)))
  (log (- (pow x 4) (pow y 4)))
  (exp (- (pow x 4) (pow y 4)))
  (* (cbrt (- (pow x 4) (pow y 4))) (cbrt (- (pow x 4) (pow y 4))))
  (cbrt (- (pow x 4) (pow y 4)))
  (* (* (- (pow x 4) (pow y 4)) (- (pow x 4) (pow y 4))) (- (pow x 4) (pow y 4)))
  (sqrt (- (pow x 4) (pow y 4)))
  (sqrt (- (pow x 4) (pow y 4)))
  (- (pow (pow x 4) 3) (pow (pow y 4) 3))
  (+ (* (pow x 4) (pow x 4)) (+ (* (pow y 4) (pow y 4)) (* (pow x 4) (pow y 4))))
  (- (pow y 4))
  (- (* (pow x 4) (pow x 4)) (* (pow y 4) (pow y 4)))
  (+ (pow x 4) (pow y 4))
  (+ (pow (sqrt x) 4) (pow (sqrt y) 4))
  (- (pow (sqrt x) 4) (pow (sqrt y) 4))
  (+ (pow (sqrt x) 4) (sqrt (pow y 4)))
  (- (pow (sqrt x) 4) (sqrt (pow y 4)))
  (+ (pow (sqrt x) 4) (pow y (/ 4 2)))
  (- (pow (sqrt x) 4) (pow y (/ 4 2)))
  (+ (sqrt (pow x 4)) (pow (sqrt y) 4))
  (- (sqrt (pow x 4)) (pow (sqrt y) 4))
  (+ (sqrt (pow x 4)) (sqrt (pow y 4)))
  (- (sqrt (pow x 4)) (sqrt (pow y 4)))
  (+ (sqrt (pow x 4)) (pow y (/ 4 2)))
  (- (sqrt (pow x 4)) (pow y (/ 4 2)))
  (+ (pow x (/ 4 2)) (pow (sqrt y) 4))
  (- (pow x (/ 4 2)) (pow (sqrt y) 4))
  (+ (pow x (/ 4 2)) (sqrt (pow y 4)))
  (- (pow x (/ 4 2)) (sqrt (pow y 4)))
  (+ (pow x (/ 4 2)) (pow y (/ 4 2)))
  (- (pow x (/ 4 2)) (pow y (/ 4 2)))
  (- (pow x 4) (pow y 4))
  (- (pow x 4) (pow y 4))
  (- (pow y 4))
  0
  (- (pow x 4) (pow y 4))
  (- (pow x 4) (pow y 4))
3.905 * * [simplify]: iteration 1: (57 enodes)
3.916 * * [simplify]: iteration 2: (117 enodes)
3.975 * * [simplify]: iteration 3: (287 enodes)
4.103 * * [simplify]: iteration 4: (897 enodes)
5.529 * * [simplify]: Extracting #0: cost 21 inf + 0
5.529 * * [simplify]: Extracting #1: cost 199 inf + 1
5.531 * * [simplify]: Extracting #2: cost 641 inf + 328
5.540 * * [simplify]: Extracting #3: cost 650 inf + 44639
5.574 * * [simplify]: Extracting #4: cost 170 inf + 183878
5.652 * * [simplify]: Extracting #5: cost 14 inf + 219083
5.719 * * [simplify]: Extracting #6: cost 1 inf + 222522
5.785 * * [simplify]: Extracting #7: cost 0 inf + 222734
5.837 * [simplify]: Simplified to:
  (exp (* (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (log (* (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (exp (* (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (* (cbrt (* (+ (* x x) (* y y)) (- (* x x) (* y y)))) (cbrt (* (+ (* x x) (* y y)) (- (* x x) (* y y)))))
  (cbrt (* (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (* (* (* (+ (* x x) (* y y)) (- (* x x) (* y y))) (* (+ (* x x) (* y y)) (- (* x x) (* y y)))) (* (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (sqrt (* (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (sqrt (* (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (- (* (* (* x x) (* x x)) (* (* (* x x) (* x x)) (* (* x x) (* x x)))) (* (* (* (* y y) (* y y)) (* y y)) (* (* (* y y) (* y y)) (* y y))))
  (+ (* (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* x x)))) (* (* (* y y) (* y y)) (* (* y y) (* y y))))
  (- (* (* y y) (* y y)))
  (- (* (* (* x x) (* x x)) (* (* x x) (* x x))) (* (* (* y y) (* y y)) (* (* y y) (* y y))))
  (+ (* (* y y) (* y y)) (* (* x x) (* x x)))
  (+ (* x x) (* y y))
  (- (* x x) (* y y))
  (+ (* x x) (fabs (* y y)))
  (- (* x x) (fabs (* y y)))
  (+ (* x x) (* y y))
  (- (* x x) (* y y))
  (+ (* y y) (fabs (* x x)))
  (- (fabs (* x x)) (* y y))
  (+ (fabs (* x x)) (fabs (* y y)))
  (- (fabs (* x x)) (fabs (* y y)))
  (+ (* y y) (fabs (* x x)))
  (- (fabs (* x x)) (* y y))
  (+ (* x x) (* y y))
  (- (* x x) (* y y))
  (+ (* x x) (fabs (* y y)))
  (- (* x x) (fabs (* y y)))
  (+ (* x x) (* y y))
  (- (* x x) (* y y))
  (* (+ (* x x) (* y y)) (- (* x x) (* y y)))
  (* (+ (* x x) (* y y)) (- (* x x) (* y y)))
  (- (* (* y y) (* y y)))
  0
  (* (+ (* x x) (* y y)) (- (* x x) (* y y)))
  (* (+ (* x x) (* y y)) (- (* x x) (* y y)))
5.839 * * * [progress]: adding candidates to table
6.026 * * [progress]: iteration 2 / 4
6.026 * * * [progress]: picking best candidate
6.028 * * * * [pick]: Picked  #<alt (λ (x y) (+ (pow x 4) (- (* (* y y) (* y y)))))>
6.028 * * * [progress]: localizing error
6.046 * * * [progress]: generating rewritten candidates
6.046 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2 1)
6.087 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
6.105 * * * [progress]: generating series expansions
6.105 * * * * [progress]: [ 1 / 2 ] generating series at (2 2 1)
6.105 * [backup-simplify]: Simplify (* (* y y) (* y y)) into (pow y 4)
6.105 * [approximate]: Taking taylor expansion of (pow y 4) in (y) around 0
6.105 * [taylor]: Taking taylor expansion of (pow y 4) in y
6.105 * [taylor]: Taking taylor expansion of y in y
6.105 * [backup-simplify]: Simplify 0 into 0
6.105 * [backup-simplify]: Simplify 1 into 1
6.105 * [taylor]: Taking taylor expansion of (pow y 4) in y
6.105 * [taylor]: Taking taylor expansion of y in y
6.105 * [backup-simplify]: Simplify 0 into 0
6.105 * [backup-simplify]: Simplify 1 into 1
6.106 * [backup-simplify]: Simplify (* 1 1) into 1
6.106 * [backup-simplify]: Simplify (* 1 1) into 1
6.106 * [backup-simplify]: Simplify 1 into 1
6.107 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.108 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.108 * [backup-simplify]: Simplify 0 into 0
6.109 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.110 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.110 * [backup-simplify]: Simplify 0 into 0
6.111 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
6.112 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
6.112 * [backup-simplify]: Simplify 0 into 0
6.113 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
6.114 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
6.114 * [backup-simplify]: Simplify 0 into 0
6.116 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
6.117 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
6.117 * [backup-simplify]: Simplify 0 into 0
6.119 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
6.120 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
6.120 * [backup-simplify]: Simplify 0 into 0
6.121 * [backup-simplify]: Simplify (* 1 (pow y 4)) into (pow y 4)
6.121 * [backup-simplify]: Simplify (* (* (/ 1 y) (/ 1 y)) (* (/ 1 y) (/ 1 y))) into (/ 1 (pow y 4))
6.121 * [approximate]: Taking taylor expansion of (/ 1 (pow y 4)) in (y) around 0
6.121 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
6.121 * [taylor]: Taking taylor expansion of (pow y 4) in y
6.121 * [taylor]: Taking taylor expansion of y in y
6.121 * [backup-simplify]: Simplify 0 into 0
6.121 * [backup-simplify]: Simplify 1 into 1
6.121 * [backup-simplify]: Simplify (* 1 1) into 1
6.122 * [backup-simplify]: Simplify (* 1 1) into 1
6.122 * [backup-simplify]: Simplify (/ 1 1) into 1
6.122 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
6.122 * [taylor]: Taking taylor expansion of (pow y 4) in y
6.122 * [taylor]: Taking taylor expansion of y in y
6.122 * [backup-simplify]: Simplify 0 into 0
6.122 * [backup-simplify]: Simplify 1 into 1
6.122 * [backup-simplify]: Simplify (* 1 1) into 1
6.123 * [backup-simplify]: Simplify (* 1 1) into 1
6.123 * [backup-simplify]: Simplify (/ 1 1) into 1
6.123 * [backup-simplify]: Simplify 1 into 1
6.124 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.125 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.125 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
6.125 * [backup-simplify]: Simplify 0 into 0
6.126 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.127 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.128 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.128 * [backup-simplify]: Simplify 0 into 0
6.129 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
6.130 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
6.130 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.130 * [backup-simplify]: Simplify 0 into 0
6.131 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
6.132 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
6.132 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.132 * [backup-simplify]: Simplify 0 into 0
6.133 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
6.134 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
6.134 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.135 * [backup-simplify]: Simplify 0 into 0
6.135 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
6.136 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
6.137 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.137 * [backup-simplify]: Simplify 0 into 0
6.137 * [backup-simplify]: Simplify (* 1 (pow (/ 1 (/ 1 y)) 4)) into (pow y 4)
6.137 * [backup-simplify]: Simplify (* (* (/ 1 (- y)) (/ 1 (- y))) (* (/ 1 (- y)) (/ 1 (- y)))) into (/ 1 (pow y 4))
6.137 * [approximate]: Taking taylor expansion of (/ 1 (pow y 4)) in (y) around 0
6.137 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
6.137 * [taylor]: Taking taylor expansion of (pow y 4) in y
6.137 * [taylor]: Taking taylor expansion of y in y
6.137 * [backup-simplify]: Simplify 0 into 0
6.137 * [backup-simplify]: Simplify 1 into 1
6.137 * [backup-simplify]: Simplify (* 1 1) into 1
6.138 * [backup-simplify]: Simplify (* 1 1) into 1
6.138 * [backup-simplify]: Simplify (/ 1 1) into 1
6.138 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
6.138 * [taylor]: Taking taylor expansion of (pow y 4) in y
6.138 * [taylor]: Taking taylor expansion of y in y
6.138 * [backup-simplify]: Simplify 0 into 0
6.138 * [backup-simplify]: Simplify 1 into 1
6.138 * [backup-simplify]: Simplify (* 1 1) into 1
6.139 * [backup-simplify]: Simplify (* 1 1) into 1
6.139 * [backup-simplify]: Simplify (/ 1 1) into 1
6.139 * [backup-simplify]: Simplify 1 into 1
6.139 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.140 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.140 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
6.140 * [backup-simplify]: Simplify 0 into 0
6.141 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.141 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.142 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.142 * [backup-simplify]: Simplify 0 into 0
6.142 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
6.143 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
6.144 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.144 * [backup-simplify]: Simplify 0 into 0
6.148 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
6.149 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
6.150 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.150 * [backup-simplify]: Simplify 0 into 0
6.151 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
6.151 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
6.152 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.152 * [backup-simplify]: Simplify 0 into 0
6.153 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
6.154 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
6.154 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.154 * [backup-simplify]: Simplify 0 into 0
6.154 * [backup-simplify]: Simplify (* 1 (pow (/ 1 (/ 1 (- y))) 4)) into (pow y 4)
6.155 * * * * [progress]: [ 2 / 2 ] generating series at (2)
6.155 * [backup-simplify]: Simplify (+ (pow x 4) (- (* (* y y) (* y y)))) into (- (pow x 4) (pow y 4))
6.155 * [approximate]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in (x y) around 0
6.155 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
6.155 * [taylor]: Taking taylor expansion of (pow x 4) in y
6.155 * [taylor]: Taking taylor expansion of x in y
6.155 * [backup-simplify]: Simplify x into x
6.155 * [taylor]: Taking taylor expansion of (pow y 4) in y
6.155 * [taylor]: Taking taylor expansion of y in y
6.155 * [backup-simplify]: Simplify 0 into 0
6.155 * [backup-simplify]: Simplify 1 into 1
6.155 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
6.155 * [taylor]: Taking taylor expansion of (pow x 4) in x
6.155 * [taylor]: Taking taylor expansion of x in x
6.155 * [backup-simplify]: Simplify 0 into 0
6.155 * [backup-simplify]: Simplify 1 into 1
6.155 * [taylor]: Taking taylor expansion of (pow y 4) in x
6.155 * [taylor]: Taking taylor expansion of y in x
6.155 * [backup-simplify]: Simplify y into y
6.155 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
6.155 * [taylor]: Taking taylor expansion of (pow x 4) in x
6.155 * [taylor]: Taking taylor expansion of x in x
6.155 * [backup-simplify]: Simplify 0 into 0
6.155 * [backup-simplify]: Simplify 1 into 1
6.155 * [taylor]: Taking taylor expansion of (pow y 4) in x
6.155 * [taylor]: Taking taylor expansion of y in x
6.155 * [backup-simplify]: Simplify y into y
6.155 * [backup-simplify]: Simplify (* y y) into (pow y 2)
6.155 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
6.155 * [backup-simplify]: Simplify (- (pow y 4)) into (- (pow y 4))
6.155 * [backup-simplify]: Simplify (+ 0 (- (pow y 4))) into (- (pow y 4))
6.155 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y
6.155 * [taylor]: Taking taylor expansion of (pow y 4) in y
6.155 * [taylor]: Taking taylor expansion of y in y
6.155 * [backup-simplify]: Simplify 0 into 0
6.155 * [backup-simplify]: Simplify 1 into 1
6.155 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
6.156 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
6.156 * [backup-simplify]: Simplify (- 0) into 0
6.156 * [backup-simplify]: Simplify (+ 0 0) into 0
6.156 * [taylor]: Taking taylor expansion of 0 in y
6.156 * [backup-simplify]: Simplify 0 into 0
6.156 * [backup-simplify]: Simplify 0 into 0
6.156 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
6.157 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
6.157 * [backup-simplify]: Simplify (- 0) into 0
6.157 * [backup-simplify]: Simplify (+ 0 0) into 0
6.157 * [taylor]: Taking taylor expansion of 0 in y
6.157 * [backup-simplify]: Simplify 0 into 0
6.157 * [backup-simplify]: Simplify 0 into 0
6.157 * [backup-simplify]: Simplify 0 into 0
6.158 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
6.158 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow y 2))))) into 0
6.159 * [backup-simplify]: Simplify (- 0) into 0
6.159 * [backup-simplify]: Simplify (+ 0 0) into 0
6.159 * [taylor]: Taking taylor expansion of 0 in y
6.159 * [backup-simplify]: Simplify 0 into 0
6.159 * [backup-simplify]: Simplify 0 into 0
6.159 * [backup-simplify]: Simplify 0 into 0
6.159 * [backup-simplify]: Simplify 0 into 0
6.159 * [backup-simplify]: Simplify 0 into 0
6.159 * [backup-simplify]: Simplify (+ (pow (/ 1 x) 4) (- (* (* (/ 1 y) (/ 1 y)) (* (/ 1 y) (/ 1 y))))) into (- (/ 1 (pow x 4)) (/ 1 (pow y 4)))
6.159 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
6.159 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
6.159 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
6.159 * [taylor]: Taking taylor expansion of (pow x 4) in y
6.159 * [taylor]: Taking taylor expansion of x in y
6.159 * [backup-simplify]: Simplify x into x
6.159 * [backup-simplify]: Simplify (* x x) into (pow x 2)
6.159 * [backup-simplify]: Simplify (* (pow x 2) (pow x 2)) into (pow x 4)
6.160 * [backup-simplify]: Simplify (/ 1 (pow x 4)) into (/ 1 (pow x 4))
6.160 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
6.160 * [taylor]: Taking taylor expansion of (pow y 4) in y
6.160 * [taylor]: Taking taylor expansion of y in y
6.160 * [backup-simplify]: Simplify 0 into 0
6.160 * [backup-simplify]: Simplify 1 into 1
6.160 * [backup-simplify]: Simplify (* 1 1) into 1
6.160 * [backup-simplify]: Simplify (* 1 1) into 1
6.160 * [backup-simplify]: Simplify (/ 1 1) into 1
6.160 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
6.160 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
6.161 * [taylor]: Taking taylor expansion of (pow x 4) in x
6.161 * [taylor]: Taking taylor expansion of x in x
6.161 * [backup-simplify]: Simplify 0 into 0
6.161 * [backup-simplify]: Simplify 1 into 1
6.161 * [backup-simplify]: Simplify (* 1 1) into 1
6.161 * [backup-simplify]: Simplify (* 1 1) into 1
6.161 * [backup-simplify]: Simplify (/ 1 1) into 1
6.161 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
6.161 * [taylor]: Taking taylor expansion of (pow y 4) in x
6.161 * [taylor]: Taking taylor expansion of y in x
6.161 * [backup-simplify]: Simplify y into y
6.161 * [backup-simplify]: Simplify (* y y) into (pow y 2)
6.161 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
6.162 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
6.162 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
6.162 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
6.162 * [taylor]: Taking taylor expansion of (pow x 4) in x
6.162 * [taylor]: Taking taylor expansion of x in x
6.162 * [backup-simplify]: Simplify 0 into 0
6.162 * [backup-simplify]: Simplify 1 into 1
6.162 * [backup-simplify]: Simplify (* 1 1) into 1
6.162 * [backup-simplify]: Simplify (* 1 1) into 1
6.162 * [backup-simplify]: Simplify (/ 1 1) into 1
6.162 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
6.162 * [taylor]: Taking taylor expansion of (pow y 4) in x
6.162 * [taylor]: Taking taylor expansion of y in x
6.162 * [backup-simplify]: Simplify y into y
6.162 * [backup-simplify]: Simplify (* y y) into (pow y 2)
6.163 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
6.163 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
6.163 * [backup-simplify]: Simplify (+ 1 0) into 1
6.163 * [taylor]: Taking taylor expansion of 1 in y
6.163 * [backup-simplify]: Simplify 1 into 1
6.163 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.164 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.164 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
6.164 * [backup-simplify]: Simplify (+ 0 0) into 0
6.164 * [taylor]: Taking taylor expansion of 0 in y
6.165 * [backup-simplify]: Simplify 0 into 0
6.165 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.166 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.167 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.167 * [backup-simplify]: Simplify (+ 0 0) into 0
6.167 * [taylor]: Taking taylor expansion of 0 in y
6.167 * [backup-simplify]: Simplify 0 into 0
6.169 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
6.170 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
6.171 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.171 * [backup-simplify]: Simplify (+ 0 0) into 0
6.171 * [taylor]: Taking taylor expansion of 0 in y
6.171 * [backup-simplify]: Simplify 0 into 0
6.172 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
6.174 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
6.175 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.175 * [backup-simplify]: Simplify (- (/ 1 (pow y 4))) into (- (/ 1 (pow y 4)))
6.175 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 4)))) into (- (/ 1 (pow y 4)))
6.175 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
6.175 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
6.175 * [taylor]: Taking taylor expansion of (pow y 4) in y
6.175 * [taylor]: Taking taylor expansion of y in y
6.175 * [backup-simplify]: Simplify 0 into 0
6.175 * [backup-simplify]: Simplify 1 into 1
6.176 * [backup-simplify]: Simplify (* 1 1) into 1
6.176 * [backup-simplify]: Simplify (* 1 1) into 1
6.176 * [backup-simplify]: Simplify (/ 1 1) into 1
6.177 * [backup-simplify]: Simplify (- 1) into -1
6.177 * [backup-simplify]: Simplify -1 into -1
6.177 * [backup-simplify]: Simplify 1 into 1
6.178 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
6.180 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
6.181 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.181 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
6.181 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
6.181 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))))) into 0
6.181 * [backup-simplify]: Simplify (- 0) into 0
6.182 * [backup-simplify]: Simplify (+ 0 0) into 0
6.182 * [taylor]: Taking taylor expansion of 0 in y
6.182 * [backup-simplify]: Simplify 0 into 0
6.183 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.183 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.184 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
6.184 * [backup-simplify]: Simplify (- 0) into 0
6.184 * [backup-simplify]: Simplify 0 into 0
6.184 * [backup-simplify]: Simplify 0 into 0
6.184 * [backup-simplify]: Simplify 0 into 0
6.186 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
6.187 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
6.188 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.189 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
6.189 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
6.190 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))) (* 0 (/ 0 (pow y 4))))) into 0
6.190 * [backup-simplify]: Simplify (- 0) into 0
6.190 * [backup-simplify]: Simplify (+ 0 0) into 0
6.190 * [taylor]: Taking taylor expansion of 0 in y
6.190 * [backup-simplify]: Simplify 0 into 0
6.191 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.192 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.193 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.193 * [backup-simplify]: Simplify (- 0) into 0
6.193 * [backup-simplify]: Simplify 0 into 0
6.193 * [backup-simplify]: Simplify 0 into 0
6.193 * [backup-simplify]: Simplify 0 into 0
6.194 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 4)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 4))) into (- (pow x 4) (pow y 4))
6.194 * [backup-simplify]: Simplify (+ (pow (/ 1 (- x)) 4) (- (* (* (/ 1 (- y)) (/ 1 (- y))) (* (/ 1 (- y)) (/ 1 (- y)))))) into (- (/ 1 (pow x 4)) (/ 1 (pow y 4)))
6.194 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
6.194 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
6.194 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
6.194 * [taylor]: Taking taylor expansion of (pow x 4) in y
6.194 * [taylor]: Taking taylor expansion of x in y
6.194 * [backup-simplify]: Simplify x into x
6.194 * [backup-simplify]: Simplify (* x x) into (pow x 2)
6.195 * [backup-simplify]: Simplify (* (pow x 2) (pow x 2)) into (pow x 4)
6.195 * [backup-simplify]: Simplify (/ 1 (pow x 4)) into (/ 1 (pow x 4))
6.195 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
6.195 * [taylor]: Taking taylor expansion of (pow y 4) in y
6.195 * [taylor]: Taking taylor expansion of y in y
6.195 * [backup-simplify]: Simplify 0 into 0
6.195 * [backup-simplify]: Simplify 1 into 1
6.195 * [backup-simplify]: Simplify (* 1 1) into 1
6.196 * [backup-simplify]: Simplify (* 1 1) into 1
6.196 * [backup-simplify]: Simplify (/ 1 1) into 1
6.196 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
6.196 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
6.196 * [taylor]: Taking taylor expansion of (pow x 4) in x
6.196 * [taylor]: Taking taylor expansion of x in x
6.196 * [backup-simplify]: Simplify 0 into 0
6.196 * [backup-simplify]: Simplify 1 into 1
6.196 * [backup-simplify]: Simplify (* 1 1) into 1
6.197 * [backup-simplify]: Simplify (* 1 1) into 1
6.197 * [backup-simplify]: Simplify (/ 1 1) into 1
6.197 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
6.197 * [taylor]: Taking taylor expansion of (pow y 4) in x
6.197 * [taylor]: Taking taylor expansion of y in x
6.197 * [backup-simplify]: Simplify y into y
6.197 * [backup-simplify]: Simplify (* y y) into (pow y 2)
6.197 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
6.197 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
6.198 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
6.198 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
6.198 * [taylor]: Taking taylor expansion of (pow x 4) in x
6.198 * [taylor]: Taking taylor expansion of x in x
6.198 * [backup-simplify]: Simplify 0 into 0
6.198 * [backup-simplify]: Simplify 1 into 1
6.198 * [backup-simplify]: Simplify (* 1 1) into 1
6.198 * [backup-simplify]: Simplify (* 1 1) into 1
6.199 * [backup-simplify]: Simplify (/ 1 1) into 1
6.199 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
6.199 * [taylor]: Taking taylor expansion of (pow y 4) in x
6.199 * [taylor]: Taking taylor expansion of y in x
6.199 * [backup-simplify]: Simplify y into y
6.199 * [backup-simplify]: Simplify (* y y) into (pow y 2)
6.199 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
6.199 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
6.200 * [backup-simplify]: Simplify (+ 1 0) into 1
6.200 * [taylor]: Taking taylor expansion of 1 in y
6.200 * [backup-simplify]: Simplify 1 into 1
6.200 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.201 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.202 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
6.202 * [backup-simplify]: Simplify (+ 0 0) into 0
6.202 * [taylor]: Taking taylor expansion of 0 in y
6.202 * [backup-simplify]: Simplify 0 into 0
6.203 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.204 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.205 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.205 * [backup-simplify]: Simplify (+ 0 0) into 0
6.205 * [taylor]: Taking taylor expansion of 0 in y
6.205 * [backup-simplify]: Simplify 0 into 0
6.206 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
6.207 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
6.208 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.208 * [backup-simplify]: Simplify (+ 0 0) into 0
6.209 * [taylor]: Taking taylor expansion of 0 in y
6.209 * [backup-simplify]: Simplify 0 into 0
6.210 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
6.211 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
6.212 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.212 * [backup-simplify]: Simplify (- (/ 1 (pow y 4))) into (- (/ 1 (pow y 4)))
6.212 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 4)))) into (- (/ 1 (pow y 4)))
6.212 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
6.212 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
6.212 * [taylor]: Taking taylor expansion of (pow y 4) in y
6.212 * [taylor]: Taking taylor expansion of y in y
6.212 * [backup-simplify]: Simplify 0 into 0
6.212 * [backup-simplify]: Simplify 1 into 1
6.213 * [backup-simplify]: Simplify (* 1 1) into 1
6.213 * [backup-simplify]: Simplify (* 1 1) into 1
6.213 * [backup-simplify]: Simplify (/ 1 1) into 1
6.214 * [backup-simplify]: Simplify (- 1) into -1
6.214 * [backup-simplify]: Simplify -1 into -1
6.214 * [backup-simplify]: Simplify 1 into 1
6.215 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
6.217 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
6.218 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.218 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
6.218 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
6.218 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))))) into 0
6.219 * [backup-simplify]: Simplify (- 0) into 0
6.219 * [backup-simplify]: Simplify (+ 0 0) into 0
6.219 * [taylor]: Taking taylor expansion of 0 in y
6.219 * [backup-simplify]: Simplify 0 into 0
6.220 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.220 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
6.221 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
6.221 * [backup-simplify]: Simplify (- 0) into 0
6.222 * [backup-simplify]: Simplify 0 into 0
6.222 * [backup-simplify]: Simplify 0 into 0
6.222 * [backup-simplify]: Simplify 0 into 0
6.223 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
6.224 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
6.225 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.226 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
6.226 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
6.226 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))) (* 0 (/ 0 (pow y 4))))) into 0
6.227 * [backup-simplify]: Simplify (- 0) into 0
6.227 * [backup-simplify]: Simplify (+ 0 0) into 0
6.227 * [taylor]: Taking taylor expansion of 0 in y
6.227 * [backup-simplify]: Simplify 0 into 0
6.228 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.228 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
6.229 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
6.229 * [backup-simplify]: Simplify (- 0) into 0
6.229 * [backup-simplify]: Simplify 0 into 0
6.229 * [backup-simplify]: Simplify 0 into 0
6.229 * [backup-simplify]: Simplify 0 into 0
6.229 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 4)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 4))) into (- (pow x 4) (pow y 4))
6.229 * * * [progress]: simplifying candidates
6.229 * * * * [progress]: [ 1 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ (+ 1 1) (+ 1 1))))))>
6.229 * * * * [progress]: [ 2 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ (+ 1 1) 2)))))>
6.230 * * * * [progress]: [ 3 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ (+ 1 1) (+ 1 1))))))>
6.230 * * * * [progress]: [ 4 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ (+ 1 1) (* 2 1))))))>
6.230 * * * * [progress]: [ 5 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (+ 1 1)))))>
6.230 * * * * [progress]: [ 6 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (+ 1 1)))))>
6.230 * * * * [progress]: [ 7 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ 2 (+ 1 1))))))>
6.230 * * * * [progress]: [ 8 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ 2 2)))))>
6.230 * * * * [progress]: [ 9 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ 2 (+ 1 1))))))>
6.230 * * * * [progress]: [ 10 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ 2 (* 2 1))))))>
6.230 * * * * [progress]: [ 11 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ (+ 1 1) (+ 1 1))))))>
6.230 * * * * [progress]: [ 12 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ (+ 1 1) 2)))))>
6.230 * * * * [progress]: [ 13 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ (+ 1 1) (+ 1 1))))))>
6.230 * * * * [progress]: [ 14 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ (+ 1 1) (* 2 1))))))>
6.230 * * * * [progress]: [ 15 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (+ 1 1)))))>
6.230 * * * * [progress]: [ 16 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (+ 1 1)))))>
6.230 * * * * [progress]: [ 17 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ (* 2 1) (+ 1 1))))))>
6.231 * * * * [progress]: [ 18 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ (* 2 1) 2)))))>
6.231 * * * * [progress]: [ 19 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ (* 2 1) (+ 1 1))))))>
6.231 * * * * [progress]: [ 20 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (+ (* 2 1) (* 2 1))))))>
6.231 * * * * [progress]: [ 21 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (+ 1 1)))))>
6.231 * * * * [progress]: [ 22 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (+ 1 1)))))>
6.231 * * * * [progress]: [ 23 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* (* y y) (* y y)) 1))))>
6.231 * * * * [progress]: [ 24 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* (* y y) (* y y)) 1))))>
6.231 * * * * [progress]: [ 25 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) 2))))>
6.231 * * * * [progress]: [ 26 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (+ 1 1)))))>
6.231 * * * * [progress]: [ 27 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (+ 1 1)))))>
6.231 * * * * [progress]: [ 28 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* (* y y) (* y y)) 1))))>
6.231 * * * * [progress]: [ 29 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* (* y y) (* y y)) 1))))>
6.231 * * * * [progress]: [ 30 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (* 2 1)))))>
6.231 * * * * [progress]: [ 31 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) 2))))>
6.231 * * * * [progress]: [ 32 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (+ 1 1)))))>
6.232 * * * * [progress]: [ 33 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (+ 1 1)))))>
6.232 * * * * [progress]: [ 34 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* (* y y) (* y y)) 1))))>
6.232 * * * * [progress]: [ 35 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (exp (+ (+ (log y) (log y)) (+ (log y) (log y)))))))>
6.232 * * * * [progress]: [ 36 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (exp (+ (+ (log y) (log y)) (log (* y y)))))))>
6.232 * * * * [progress]: [ 37 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (exp (+ (log (* y y)) (+ (log y) (log y)))))))>
6.232 * * * * [progress]: [ 38 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (exp (+ (log (* y y)) (log (* y y)))))))>
6.232 * * * * [progress]: [ 39 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (exp (log (* (* y y) (* y y)))))))>
6.232 * * * * [progress]: [ 40 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (log (exp (* (* y y) (* y y)))))))>
6.232 * * * * [progress]: [ 41 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (cbrt (* (* (* (* y y) y) (* (* y y) y)) (* (* (* y y) y) (* (* y y) y)))))))>
6.232 * * * * [progress]: [ 42 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (cbrt (* (* (* (* y y) y) (* (* y y) y)) (* (* (* y y) (* y y)) (* y y)))))))>
6.232 * * * * [progress]: [ 43 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (cbrt (* (* (* (* y y) (* y y)) (* y y)) (* (* (* y y) y) (* (* y y) y)))))))>
6.232 * * * * [progress]: [ 44 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (cbrt (* (* (* (* y y) (* y y)) (* y y)) (* (* (* y y) (* y y)) (* y y)))))))>
6.232 * * * * [progress]: [ 45 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (* (* (cbrt (* (* y y) (* y y))) (cbrt (* (* y y) (* y y)))) (cbrt (* (* y y) (* y y)))))))>
6.232 * * * * [progress]: [ 46 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (cbrt (* (* (* (* y y) (* y y)) (* (* y y) (* y y))) (* (* y y) (* y y)))))))>
6.232 * * * * [progress]: [ 47 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (* (sqrt (* (* y y) (* y y))) (sqrt (* (* y y) (* y y)))))))>
6.232 * * * * [progress]: [ 48 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (* 1 (* (* y y) (* y y))))))>
6.233 * * * * [progress]: [ 49 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (* (* y y) (* y y)))))>
6.233 * * * * [progress]: [ 50 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (* (* y y) (* y y)))))>
6.233 * * * * [progress]: [ 51 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (* 2 (+ 1 1))))))>
6.233 * * * * [progress]: [ 52 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (* 2 (+ 1 1))))))>
6.233 * * * * [progress]: [ 53 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (* 2 1)))))>
6.233 * * * * [progress]: [ 54 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (* 2 1)))))>
6.233 * * * * [progress]: [ 55 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (* 2 2)))))>
6.233 * * * * [progress]: [ 56 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (* 2 (+ 1 1))))))>
6.233 * * * * [progress]: [ 57 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (* 2 (+ 1 1))))))>
6.233 * * * * [progress]: [ 58 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (* 2 1)))))>
6.233 * * * * [progress]: [ 59 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow (* y y) (* 2 1)))))>
6.233 * * * * [progress]: [ 60 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y (* 2 (* 2 1))))))>
6.233 * * * * [progress]: [ 61 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (* (* (* y y) y) y))))>
6.233 * * * * [progress]: [ 62 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (* y (* y (* y y))))))>
6.233 * * * * [progress]: [ 63 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (* (* y y) (* y y)))))>
6.233 * * * * [progress]: [ 64 / 85 ] simplifiying candidate #<alt (λ (x y) (log (* (exp (pow x 4)) (/ 1 (exp (* (* y y) (* y y)))))))>
6.233 * * * * [progress]: [ 65 / 85 ] simplifiying candidate #<alt (λ (x y) (log (* (exp (pow x 4)) (exp (- (* (* y y) (* y y)))))))>
6.234 * * * * [progress]: [ 66 / 85 ] simplifiying candidate #<alt (λ (x y) (pow (+ (pow x 4) (- (* (* y y) (* y y)))) 1))>
6.234 * * * * [progress]: [ 67 / 85 ] simplifiying candidate #<alt (λ (x y) (exp (log (+ (pow x 4) (- (* (* y y) (* y y)))))))>
6.234 * * * * [progress]: [ 68 / 85 ] simplifiying candidate #<alt (λ (x y) (log (exp (+ (pow x 4) (- (* (* y y) (* y y)))))))>
6.234 * * * * [progress]: [ 69 / 85 ] simplifiying candidate #<alt (λ (x y) (* (* (cbrt (+ (pow x 4) (- (* (* y y) (* y y))))) (cbrt (+ (pow x 4) (- (* (* y y) (* y y)))))) (cbrt (+ (pow x 4) (- (* (* y y) (* y y)))))))>
6.234 * * * * [progress]: [ 70 / 85 ] simplifiying candidate #<alt (λ (x y) (cbrt (* (* (+ (pow x 4) (- (* (* y y) (* y y)))) (+ (pow x 4) (- (* (* y y) (* y y))))) (+ (pow x 4) (- (* (* y y) (* y y)))))))>
6.234 * * * * [progress]: [ 71 / 85 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (+ (pow x 4) (- (* (* y y) (* y y))))) (sqrt (+ (pow x 4) (- (* (* y y) (* y y)))))))>
6.234 * * * * [progress]: [ 72 / 85 ] simplifiying candidate #<alt (λ (x y) (/ (+ (pow (pow x 4) 3) (pow (- (* (* y y) (* y y))) 3)) (+ (* (pow x 4) (pow x 4)) (- (* (- (* (* y y) (* y y))) (- (* (* y y) (* y y)))) (* (pow x 4) (- (* (* y y) (* y y))))))))>
6.234 * * * * [progress]: [ 73 / 85 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (* (* y y) (* y y))))>
6.234 * * * * [progress]: [ 74 / 85 ] simplifiying candidate #<alt (λ (x y) (* 1 (+ (pow x 4) (- (* (* y y) (* y y))))))>
6.234 * * * * [progress]: [ 75 / 85 ] simplifiying candidate #<alt (λ (x y) (/ (- (* (pow x 4) (pow x 4)) (* (- (* (* y y) (* y y))) (- (* (* y y) (* y y))))) (- (pow x 4) (- (* (* y y) (* y y))))))>
6.234 * * * * [progress]: [ 76 / 85 ] simplifiying candidate #<alt (λ (x y) (* 1 (+ (pow x 4) (- (* (* y y) (* y y))))))>
6.234 * * * * [progress]: [ 77 / 85 ] simplifiying candidate #<alt (λ (x y) (- (+ (pow x 4) 0) (* (* y y) (* y y))))>
6.234 * * * * [progress]: [ 78 / 85 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (* (* y y) (* y y))))>
6.234 * * * * [progress]: [ 79 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (- (* (* y y) (* y y))) (pow x 4)))>
6.234 * * * * [progress]: [ 80 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y 4))))>
6.234 * * * * [progress]: [ 81 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y 4))))>
6.235 * * * * [progress]: [ 82 / 85 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y 4))))>
6.235 * * * * [progress]: [ 83 / 85 ] simplifiying candidate #<alt (λ (x y) 0)>
6.235 * * * * [progress]: [ 84 / 85 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
6.235 * * * * [progress]: [ 85 / 85 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
6.236 * [simplify]: Simplifying:
  (+ (+ 1 1) (+ 1 1))
  (+ (+ 1 1) 2)
  (+ (+ 1 1) (+ 1 1))
  (+ (+ 1 1) (* 2 1))
  (+ 1 1)
  (+ 1 1)
  (+ 2 (+ 1 1))
  (+ 2 2)
  (+ 2 (+ 1 1))
  (+ 2 (* 2 1))
  (+ (+ 1 1) (+ 1 1))
  (+ (+ 1 1) 2)
  (+ (+ 1 1) (+ 1 1))
  (+ (+ 1 1) (* 2 1))
  (+ 1 1)
  (+ 1 1)
  (+ (* 2 1) (+ 1 1))
  (+ (* 2 1) 2)
  (+ (* 2 1) (+ 1 1))
  (+ (* 2 1) (* 2 1))
  (* y y)
  (* y y)
  (* (* y y) (* y y))
  (* (* y y) (* y y))
  (* y y)
  (* y y)
  (* y y)
  (* (* y y) (* y y))
  (* (* y y) (* y y))
  (* y y)
  (+ 1 1)
  (+ 1 1)
  (+ (+ (log y) (log y)) (+ (log y) (log y)))
  (+ (+ (log y) (log y)) (log (* y y)))
  (+ (log (* y y)) (+ (log y) (log y)))
  (+ (log (* y y)) (log (* y y)))
  (log (* (* y y) (* y y)))
  (exp (* (* y y) (* y y)))
  (* (* (* (* y y) y) (* (* y y) y)) (* (* (* y y) y) (* (* y y) y)))
  (* (* (* (* y y) y) (* (* y y) y)) (* (* (* y y) (* y y)) (* y y)))
  (* (* (* (* y y) (* y y)) (* y y)) (* (* (* y y) y) (* (* y y) y)))
  (* (* (* (* y y) (* y y)) (* y y)) (* (* (* y y) (* y y)) (* y y)))
  (* (cbrt (* (* y y) (* y y))) (cbrt (* (* y y) (* y y))))
  (cbrt (* (* y y) (* y y)))
  (* (* (* (* y y) (* y y)) (* (* y y) (* y y))) (* (* y y) (* y y)))
  (sqrt (* (* y y) (* y y)))
  (sqrt (* (* y y) (* y y)))
  (* y y)
  (* y y)
  (* y y)
  (* y y)
  (* 2 (+ 1 1))
  (* 2 (+ 1 1))
  (* 2 1)
  (* 2 1)
  (* 2 2)
  (* 2 (+ 1 1))
  (* 2 (+ 1 1))
  (* 2 1)
  (* 2 1)
  (* 2 (* 2 1))
  (* (* y y) y)
  (* y (* y y))
  (* (exp (pow x 4)) (/ 1 (exp (* (* y y) (* y y)))))
  (* (exp (pow x 4)) (exp (- (* (* y y) (* y y)))))
  (log (+ (pow x 4) (- (* (* y y) (* y y)))))
  (exp (+ (pow x 4) (- (* (* y y) (* y y)))))
  (* (cbrt (+ (pow x 4) (- (* (* y y) (* y y))))) (cbrt (+ (pow x 4) (- (* (* y y) (* y y))))))
  (cbrt (+ (pow x 4) (- (* (* y y) (* y y)))))
  (* (* (+ (pow x 4) (- (* (* y y) (* y y)))) (+ (pow x 4) (- (* (* y y) (* y y))))) (+ (pow x 4) (- (* (* y y) (* y y)))))
  (sqrt (+ (pow x 4) (- (* (* y y) (* y y)))))
  (sqrt (+ (pow x 4) (- (* (* y y) (* y y)))))
  (+ (pow (pow x 4) 3) (pow (- (* (* y y) (* y y))) 3))
  (+ (* (pow x 4) (pow x 4)) (- (* (- (* (* y y) (* y y))) (- (* (* y y) (* y y)))) (* (pow x 4) (- (* (* y y) (* y y))))))
  (- (* (pow x 4) (pow x 4)) (* (- (* (* y y) (* y y))) (- (* (* y y) (* y y)))))
  (- (pow x 4) (- (* (* y y) (* y y))))
  (+ (pow x 4) (- (* (* y y) (* y y))))
  (+ (pow x 4) 0)
  (pow y 4)
  (pow y 4)
  (pow y 4)
  0
  (- (pow x 4) (pow y 4))
  (- (pow x 4) (pow y 4))
6.237 * * [simplify]: iteration 1: (73 enodes)
6.271 * * [simplify]: iteration 2: (177 enodes)
6.336 * * [simplify]: iteration 3: (581 enodes)
6.849 * * [simplify]: iteration 4: (1794 enodes)
9.403 * * [simplify]: Extracting #0: cost 24 inf + 0
9.404 * * [simplify]: Extracting #1: cost 334 inf + 3
9.408 * * [simplify]: Extracting #2: cost 1161 inf + 1585
9.420 * * [simplify]: Extracting #3: cost 1398 inf + 39915
9.477 * * [simplify]: Extracting #4: cost 455 inf + 293518
9.587 * * [simplify]: Extracting #5: cost 45 inf + 444454
9.706 * * [simplify]: Extracting #6: cost 0 inf + 464096
9.872 * [simplify]: Simplified to:
  4
  4
  4
  4
  2
  2
  4
  4
  4
  4
  4
  4
  4
  4
  2
  2
  4
  4
  4
  4
  (* y y)
  (* y y)
  (* (* y y) (* y y))
  (* (* y y) (* y y))
  (* y y)
  (* y y)
  (* y y)
  (* (* y y) (* y y))
  (* (* y y) (* y y))
  (* y y)
  2
  2
  (* (log y) 4)
  (* (log y) 4)
  (* (log y) 4)
  (* (log y) 4)
  (* (log y) 4)
  (exp (* (* y y) (* y y)))
  (* (* (* y y) (* (* y y) (* y y))) (* (* y y) (* (* y y) (* y y))))
  (* (* (* y y) (* (* y y) (* y y))) (* (* y y) (* (* y y) (* y y))))
  (* (* (* y y) (* (* y y) (* y y))) (* (* y y) (* (* y y) (* y y))))
  (* (* (* y y) (* (* y y) (* y y))) (* (* y y) (* (* y y) (* y y))))
  (* (cbrt (* (* y y) (* y y))) (cbrt (* (* y y) (* y y))))
  (cbrt (* (* y y) (* y y)))
  (* (* (* y y) (* (* y y) (* y y))) (* (* y y) (* (* y y) (* y y))))
  (fabs (* y y))
  (fabs (* y y))
  (* y y)
  (* y y)
  (* y y)
  (* y y)
  4
  4
  2
  2
  4
  4
  4
  2
  2
  4
  (* (* y y) y)
  (* (* y y) y)
  (exp (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (exp (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (log (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (exp (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (cbrt (- (* (* x x) (* x x)) (* (* y y) (* y y)))) (cbrt (- (* (* x x) (* x x)) (* (* y y) (* y y)))))
  (cbrt (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (- (* (* x x) (* x x)) (* (* y y) (* y y))) (* (- (* (* x x) (* x x)) (* (* y y) (* y y))) (- (* (* x x) (* x x)) (* (* y y) (* y y)))))
  (sqrt (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (sqrt (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (+ (* (* (* x x) (* x x)) (* x x)) (* (* y y) (* (* y y) (* y y)))) (- (* (* (* x x) (* x x)) (* x x)) (* (* y y) (* (* y y) (* y y)))))
  (+ (* (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* x x)))) (* (* (* y y) (* y y)) (* (* y y) (* y y))))
  (* (+ (* (* y y) (* y y)) (* (* x x) (* x x))) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (+ (* (* y y) (* y y)) (* (* x x) (* x x)))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* x x) (* x x))
  (* (* y y) (* y y))
  (* (* y y) (* y y))
  (* (* y y) (* y y))
  0
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
9.875 * * * [progress]: adding candidates to table
10.506 * [progress]: [Phase 3 of 3] Extracting.
10.507 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- (pow x 4) (pow y 4)))> #<alt (λ (x y) (+ (pow x 4) (- (* (* y y) (* y y)))))>)
10.507 * * * [regime-changes]: Trying 5 branch expressions: ((pow y 4) (pow x 4) (- (pow x 4) (pow y 4)) y x)
10.508 * * * * [regimes]: Trying to branch on (pow y 4) from (#<alt (λ (x y) (- (pow x 4) (pow y 4)))> #<alt (λ (x y) (+ (pow x 4) (- (* (* y y) (* y y)))))>)
10.532 * * * * [regimes]: Trying to branch on (pow x 4) from (#<alt (λ (x y) (- (pow x 4) (pow y 4)))> #<alt (λ (x y) (+ (pow x 4) (- (* (* y y) (* y y)))))>)
10.582 * * * * [regimes]: Trying to branch on (- (pow x 4) (pow y 4)) from (#<alt (λ (x y) (- (pow x 4) (pow y 4)))> #<alt (λ (x y) (+ (pow x 4) (- (* (* y y) (* y y)))))>)
10.623 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- (pow x 4) (pow y 4)))> #<alt (λ (x y) (+ (pow x 4) (- (* (* y y) (* y y)))))>)
10.645 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- (pow x 4) (pow y 4)))> #<alt (λ (x y) (+ (pow x 4) (- (* (* y y) (* y y)))))>)
10.685 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
10.687 * [simplify]: Simplifying:
  (- (pow x 4) (pow y 4))
10.687 * * [simplify]: iteration 1: (6 enodes)
10.687 * * [simplify]: Extracting #0: cost 1 inf + 0
10.687 * * [simplify]: Extracting #1: cost 3 inf + 0
10.687 * * [simplify]: Extracting #2: cost 6 inf + 0
10.687 * * [simplify]: Extracting #3: cost 2 inf + 215
10.687 * * [simplify]: Extracting #4: cost 0 inf + 890
10.687 * [simplify]: Simplified to:
  (- (pow x 4) (pow y 4))
13.281 * [regime-testing]: Baseline error score: 0.0025405585816836306
13.286 * [regime-testing]: Oracle error score: 0.0022905273277768925
13.296 * [regime-testing]: End program error score: 0.0025405585816836306