0.615 * [progress]: [Phase 1 of 3] Setting up.
0.004 * * * [progress]: [1/2] Preparing points
0.200 * * * [progress]: [2/2] Setting up program.
0.208 * [progress]: [Phase 2 of 3] Improving.
0.208 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
0.211 * [simplify]: Simplifying:
  (- (pow x 4) (pow y 4))
0.213 * * [simplify]: iteration 1: (6 enodes)
0.221 * * [simplify]: iteration 2: (14 enodes)
0.229 * * [simplify]: iteration 3: (39 enodes)
0.241 * * [simplify]: iteration 4: (58 enodes)
0.379 * * [simplify]: iteration 5: (112 enodes)
0.468 * * [simplify]: iteration 6: (275 enodes)
0.623 * * [simplify]: iteration 7: (628 enodes)
1.426 * * [simplify]: iteration 8: (1464 enodes)
2.554 * * [simplify]: Extracting #0: cost 1 inf + 0
2.554 * * [simplify]: Extracting #1: cost 91 inf + 0
2.556 * * [simplify]: Extracting #2: cost 252 inf + 466
2.561 * * [simplify]: Extracting #3: cost 150 inf + 18250
2.577 * * [simplify]: Extracting #4: cost 10 inf + 50536
2.620 * * [simplify]: Extracting #5: cost 0 inf + 50012
2.659 * [simplify]: Simplified to:
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
2.671 * * [progress]: iteration 1 / 4
2.671 * * * [progress]: picking best candidate
2.682 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
2.682 * * * [progress]: localizing error
2.705 * * * [progress]: generating rewritten candidates
2.705 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
2.738 * * * [progress]: generating series expansions
2.738 * * * * [progress]: [ 1 / 1 ] generating series at (2)
2.746 * [backup-simplify]: Simplify (- (pow x 4) (pow y 4)) into (- (pow x 4) (pow y 4))
2.746 * [approximate]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in (x y) around 0
2.747 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
2.747 * [taylor]: Taking taylor expansion of (pow x 4) in y
2.747 * [taylor]: Taking taylor expansion of x in y
2.747 * [backup-simplify]: Simplify x into x
2.747 * [taylor]: Taking taylor expansion of (pow y 4) in y
2.747 * [taylor]: Taking taylor expansion of y in y
2.747 * [backup-simplify]: Simplify 0 into 0
2.747 * [backup-simplify]: Simplify 1 into 1
2.748 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
2.748 * [taylor]: Taking taylor expansion of (pow x 4) in x
2.748 * [taylor]: Taking taylor expansion of x in x
2.748 * [backup-simplify]: Simplify 0 into 0
2.748 * [backup-simplify]: Simplify 1 into 1
2.748 * [taylor]: Taking taylor expansion of (pow y 4) in x
2.748 * [taylor]: Taking taylor expansion of y in x
2.748 * [backup-simplify]: Simplify y into y
2.748 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
2.748 * [taylor]: Taking taylor expansion of (pow x 4) in x
2.748 * [taylor]: Taking taylor expansion of x in x
2.748 * [backup-simplify]: Simplify 0 into 0
2.748 * [backup-simplify]: Simplify 1 into 1
2.748 * [taylor]: Taking taylor expansion of (pow y 4) in x
2.748 * [taylor]: Taking taylor expansion of y in x
2.748 * [backup-simplify]: Simplify y into y
2.749 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.749 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
2.749 * [backup-simplify]: Simplify (- (pow y 4)) into (- (pow y 4))
2.750 * [backup-simplify]: Simplify (+ 0 (- (pow y 4))) into (- (pow y 4))
2.750 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y
2.750 * [taylor]: Taking taylor expansion of (pow y 4) in y
2.750 * [taylor]: Taking taylor expansion of y in y
2.750 * [backup-simplify]: Simplify 0 into 0
2.750 * [backup-simplify]: Simplify 1 into 1
2.750 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
2.750 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
2.751 * [backup-simplify]: Simplify (- 0) into 0
2.751 * [backup-simplify]: Simplify (+ 0 0) into 0
2.752 * [taylor]: Taking taylor expansion of 0 in y
2.752 * [backup-simplify]: Simplify 0 into 0
2.752 * [backup-simplify]: Simplify 0 into 0
2.752 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
2.753 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
2.753 * [backup-simplify]: Simplify (- 0) into 0
2.754 * [backup-simplify]: Simplify (+ 0 0) into 0
2.754 * [taylor]: Taking taylor expansion of 0 in y
2.754 * [backup-simplify]: Simplify 0 into 0
2.754 * [backup-simplify]: Simplify 0 into 0
2.754 * [backup-simplify]: Simplify 0 into 0
2.755 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
2.756 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow y 2))))) into 0
2.765 * [backup-simplify]: Simplify (- 0) into 0
2.766 * [backup-simplify]: Simplify (+ 0 0) into 0
2.766 * [taylor]: Taking taylor expansion of 0 in y
2.766 * [backup-simplify]: Simplify 0 into 0
2.766 * [backup-simplify]: Simplify 0 into 0
2.766 * [backup-simplify]: Simplify 0 into 0
2.766 * [backup-simplify]: Simplify 0 into 0
2.766 * [backup-simplify]: Simplify 0 into 0
2.767 * [backup-simplify]: Simplify (- (pow (/ 1 x) 4) (pow (/ 1 y) 4)) into (- (/ 1 (pow x 4)) (/ 1 (pow y 4)))
2.767 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
2.767 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
2.767 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
2.767 * [taylor]: Taking taylor expansion of (pow x 4) in y
2.767 * [taylor]: Taking taylor expansion of x in y
2.767 * [backup-simplify]: Simplify x into x
2.767 * [backup-simplify]: Simplify (* x x) into (pow x 2)
2.767 * [backup-simplify]: Simplify (* (pow x 2) (pow x 2)) into (pow x 4)
2.767 * [backup-simplify]: Simplify (/ 1 (pow x 4)) into (/ 1 (pow x 4))
2.767 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
2.767 * [taylor]: Taking taylor expansion of (pow y 4) in y
2.767 * [taylor]: Taking taylor expansion of y in y
2.767 * [backup-simplify]: Simplify 0 into 0
2.767 * [backup-simplify]: Simplify 1 into 1
2.768 * [backup-simplify]: Simplify (* 1 1) into 1
2.768 * [backup-simplify]: Simplify (* 1 1) into 1
2.769 * [backup-simplify]: Simplify (/ 1 1) into 1
2.769 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
2.769 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
2.769 * [taylor]: Taking taylor expansion of (pow x 4) in x
2.769 * [taylor]: Taking taylor expansion of x in x
2.769 * [backup-simplify]: Simplify 0 into 0
2.769 * [backup-simplify]: Simplify 1 into 1
2.769 * [backup-simplify]: Simplify (* 1 1) into 1
2.770 * [backup-simplify]: Simplify (* 1 1) into 1
2.770 * [backup-simplify]: Simplify (/ 1 1) into 1
2.770 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
2.770 * [taylor]: Taking taylor expansion of (pow y 4) in x
2.770 * [taylor]: Taking taylor expansion of y in x
2.770 * [backup-simplify]: Simplify y into y
2.770 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.770 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
2.770 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
2.770 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
2.771 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
2.771 * [taylor]: Taking taylor expansion of (pow x 4) in x
2.771 * [taylor]: Taking taylor expansion of x in x
2.771 * [backup-simplify]: Simplify 0 into 0
2.771 * [backup-simplify]: Simplify 1 into 1
2.771 * [backup-simplify]: Simplify (* 1 1) into 1
2.771 * [backup-simplify]: Simplify (* 1 1) into 1
2.772 * [backup-simplify]: Simplify (/ 1 1) into 1
2.772 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
2.772 * [taylor]: Taking taylor expansion of (pow y 4) in x
2.772 * [taylor]: Taking taylor expansion of y in x
2.772 * [backup-simplify]: Simplify y into y
2.772 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.772 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
2.772 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
2.773 * [backup-simplify]: Simplify (+ 1 0) into 1
2.773 * [taylor]: Taking taylor expansion of 1 in y
2.773 * [backup-simplify]: Simplify 1 into 1
2.773 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.774 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.775 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.775 * [backup-simplify]: Simplify (+ 0 0) into 0
2.775 * [taylor]: Taking taylor expansion of 0 in y
2.775 * [backup-simplify]: Simplify 0 into 0
2.776 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.777 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.778 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.778 * [backup-simplify]: Simplify (+ 0 0) into 0
2.778 * [taylor]: Taking taylor expansion of 0 in y
2.778 * [backup-simplify]: Simplify 0 into 0
2.780 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.781 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.782 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.782 * [backup-simplify]: Simplify (+ 0 0) into 0
2.782 * [taylor]: Taking taylor expansion of 0 in y
2.782 * [backup-simplify]: Simplify 0 into 0
2.783 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.785 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.786 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.786 * [backup-simplify]: Simplify (- (/ 1 (pow y 4))) into (- (/ 1 (pow y 4)))
2.786 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 4)))) into (- (/ 1 (pow y 4)))
2.786 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
2.786 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
2.786 * [taylor]: Taking taylor expansion of (pow y 4) in y
2.786 * [taylor]: Taking taylor expansion of y in y
2.786 * [backup-simplify]: Simplify 0 into 0
2.786 * [backup-simplify]: Simplify 1 into 1
2.787 * [backup-simplify]: Simplify (* 1 1) into 1
2.787 * [backup-simplify]: Simplify (* 1 1) into 1
2.787 * [backup-simplify]: Simplify (/ 1 1) into 1
2.788 * [backup-simplify]: Simplify (- 1) into -1
2.788 * [backup-simplify]: Simplify -1 into -1
2.788 * [backup-simplify]: Simplify 1 into 1
2.789 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.791 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.792 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.792 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
2.792 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
2.792 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))))) into 0
2.793 * [backup-simplify]: Simplify (- 0) into 0
2.793 * [backup-simplify]: Simplify (+ 0 0) into 0
2.793 * [taylor]: Taking taylor expansion of 0 in y
2.793 * [backup-simplify]: Simplify 0 into 0
2.794 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.794 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.795 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.795 * [backup-simplify]: Simplify (- 0) into 0
2.795 * [backup-simplify]: Simplify 0 into 0
2.795 * [backup-simplify]: Simplify 0 into 0
2.795 * [backup-simplify]: Simplify 0 into 0
2.797 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.799 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.799 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.800 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
2.800 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
2.801 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))) (* 0 (/ 0 (pow y 4))))) into 0
2.801 * [backup-simplify]: Simplify (- 0) into 0
2.801 * [backup-simplify]: Simplify (+ 0 0) into 0
2.801 * [taylor]: Taking taylor expansion of 0 in y
2.802 * [backup-simplify]: Simplify 0 into 0
2.802 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.803 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.804 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.805 * [backup-simplify]: Simplify (- 0) into 0
2.805 * [backup-simplify]: Simplify 0 into 0
2.805 * [backup-simplify]: Simplify 0 into 0
2.805 * [backup-simplify]: Simplify 0 into 0
2.805 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 4)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 4))) into (- (pow x 4) (pow y 4))
2.806 * [backup-simplify]: Simplify (- (pow (/ 1 (- x)) 4) (pow (/ 1 (- y)) 4)) into (- (/ 1 (pow x 4)) (/ 1 (pow y 4)))
2.806 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
2.806 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
2.806 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
2.806 * [taylor]: Taking taylor expansion of (pow x 4) in y
2.806 * [taylor]: Taking taylor expansion of x in y
2.806 * [backup-simplify]: Simplify x into x
2.806 * [backup-simplify]: Simplify (* x x) into (pow x 2)
2.806 * [backup-simplify]: Simplify (* (pow x 2) (pow x 2)) into (pow x 4)
2.806 * [backup-simplify]: Simplify (/ 1 (pow x 4)) into (/ 1 (pow x 4))
2.806 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
2.806 * [taylor]: Taking taylor expansion of (pow y 4) in y
2.806 * [taylor]: Taking taylor expansion of y in y
2.806 * [backup-simplify]: Simplify 0 into 0
2.806 * [backup-simplify]: Simplify 1 into 1
2.807 * [backup-simplify]: Simplify (* 1 1) into 1
2.807 * [backup-simplify]: Simplify (* 1 1) into 1
2.808 * [backup-simplify]: Simplify (/ 1 1) into 1
2.808 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
2.808 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
2.808 * [taylor]: Taking taylor expansion of (pow x 4) in x
2.808 * [taylor]: Taking taylor expansion of x in x
2.808 * [backup-simplify]: Simplify 0 into 0
2.808 * [backup-simplify]: Simplify 1 into 1
2.808 * [backup-simplify]: Simplify (* 1 1) into 1
2.808 * [backup-simplify]: Simplify (* 1 1) into 1
2.809 * [backup-simplify]: Simplify (/ 1 1) into 1
2.809 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
2.809 * [taylor]: Taking taylor expansion of (pow y 4) in x
2.809 * [taylor]: Taking taylor expansion of y in x
2.809 * [backup-simplify]: Simplify y into y
2.809 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.809 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
2.809 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
2.809 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
2.809 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
2.809 * [taylor]: Taking taylor expansion of (pow x 4) in x
2.809 * [taylor]: Taking taylor expansion of x in x
2.809 * [backup-simplify]: Simplify 0 into 0
2.809 * [backup-simplify]: Simplify 1 into 1
2.810 * [backup-simplify]: Simplify (* 1 1) into 1
2.810 * [backup-simplify]: Simplify (* 1 1) into 1
2.810 * [backup-simplify]: Simplify (/ 1 1) into 1
2.811 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
2.811 * [taylor]: Taking taylor expansion of (pow y 4) in x
2.811 * [taylor]: Taking taylor expansion of y in x
2.811 * [backup-simplify]: Simplify y into y
2.811 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.811 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
2.811 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
2.811 * [backup-simplify]: Simplify (+ 1 0) into 1
2.811 * [taylor]: Taking taylor expansion of 1 in y
2.811 * [backup-simplify]: Simplify 1 into 1
2.812 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.813 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.814 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.814 * [backup-simplify]: Simplify (+ 0 0) into 0
2.814 * [taylor]: Taking taylor expansion of 0 in y
2.814 * [backup-simplify]: Simplify 0 into 0
2.815 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.816 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.817 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.818 * [backup-simplify]: Simplify (+ 0 0) into 0
2.818 * [taylor]: Taking taylor expansion of 0 in y
2.818 * [backup-simplify]: Simplify 0 into 0
2.819 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.820 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.821 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.821 * [backup-simplify]: Simplify (+ 0 0) into 0
2.821 * [taylor]: Taking taylor expansion of 0 in y
2.821 * [backup-simplify]: Simplify 0 into 0
2.823 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.824 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.825 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.825 * [backup-simplify]: Simplify (- (/ 1 (pow y 4))) into (- (/ 1 (pow y 4)))
2.826 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 4)))) into (- (/ 1 (pow y 4)))
2.826 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
2.826 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
2.826 * [taylor]: Taking taylor expansion of (pow y 4) in y
2.826 * [taylor]: Taking taylor expansion of y in y
2.826 * [backup-simplify]: Simplify 0 into 0
2.826 * [backup-simplify]: Simplify 1 into 1
2.826 * [backup-simplify]: Simplify (* 1 1) into 1
2.827 * [backup-simplify]: Simplify (* 1 1) into 1
2.827 * [backup-simplify]: Simplify (/ 1 1) into 1
2.828 * [backup-simplify]: Simplify (- 1) into -1
2.828 * [backup-simplify]: Simplify -1 into -1
2.828 * [backup-simplify]: Simplify 1 into 1
2.829 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.831 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.832 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.832 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
2.832 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
2.832 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))))) into 0
2.833 * [backup-simplify]: Simplify (- 0) into 0
2.833 * [backup-simplify]: Simplify (+ 0 0) into 0
2.833 * [taylor]: Taking taylor expansion of 0 in y
2.833 * [backup-simplify]: Simplify 0 into 0
2.834 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.834 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.835 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.835 * [backup-simplify]: Simplify (- 0) into 0
2.835 * [backup-simplify]: Simplify 0 into 0
2.836 * [backup-simplify]: Simplify 0 into 0
2.836 * [backup-simplify]: Simplify 0 into 0
2.837 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.839 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.840 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.841 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
2.841 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
2.841 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))) (* 0 (/ 0 (pow y 4))))) into 0
2.842 * [backup-simplify]: Simplify (- 0) into 0
2.842 * [backup-simplify]: Simplify (+ 0 0) into 0
2.842 * [taylor]: Taking taylor expansion of 0 in y
2.842 * [backup-simplify]: Simplify 0 into 0
2.843 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.844 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.845 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.845 * [backup-simplify]: Simplify (- 0) into 0
2.845 * [backup-simplify]: Simplify 0 into 0
2.846 * [backup-simplify]: Simplify 0 into 0
2.846 * [backup-simplify]: Simplify 0 into 0
2.846 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 4)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 4))) into (- (pow x 4) (pow y 4))
2.846 * * * [progress]: simplifying candidates
2.846 * * * * [progress]: [ 1 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))) (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))))>
2.846 * * * * [progress]: [ 2 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4)))) (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))))>
2.847 * * * * [progress]: [ 3 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (pow y 4) (pow 1 4)))) (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))))>
2.847 * * * * [progress]: [ 4 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))) (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))))>
2.847 * * * * [progress]: [ 5 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (sqrt (pow y 4)) (sqrt (pow y 4))))) (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))))>
2.847 * * * * [progress]: [ 6 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (pow y 4) 1))) (fma (- (pow y 4)) 1 (* (pow y 4) 1))))>
2.847 * * * * [progress]: [ 7 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (pow y (/ 4 2)) (pow y (/ 4 2))))) (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))))>
2.847 * * * * [progress]: [ 8 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))) (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))))>
2.847 * * * * [progress]: [ 9 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4)))) (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))))>
2.847 * * * * [progress]: [ 10 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (pow y 4) (pow 1 4)))) (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))))>
2.847 * * * * [progress]: [ 11 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))) (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))))>
2.847 * * * * [progress]: [ 12 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (sqrt (pow y 4)) (sqrt (pow y 4))))) (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))))>
2.847 * * * * [progress]: [ 13 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (pow y 4) 1))) (fma (- (pow y 4)) 1 (* (pow y 4) 1))))>
2.847 * * * * [progress]: [ 14 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (pow y (/ 4 2)) (pow y (/ 4 2))))) (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))))>
2.847 * * * * [progress]: [ 15 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow 1 4) (pow x 4) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))) (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))))>
2.848 * * * * [progress]: [ 16 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow 1 4) (pow x 4) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4)))) (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))))>
2.848 * * * * [progress]: [ 17 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow 1 4) (pow x 4) (- (* (pow y 4) (pow 1 4)))) (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))))>
2.848 * * * * [progress]: [ 18 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow 1 4) (pow x 4) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))) (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))))>
2.848 * * * * [progress]: [ 19 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow 1 4) (pow x 4) (- (* (sqrt (pow y 4)) (sqrt (pow y 4))))) (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))))>
2.848 * * * * [progress]: [ 20 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow 1 4) (pow x 4) (- (* (pow y 4) 1))) (fma (- (pow y 4)) 1 (* (pow y 4) 1))))>
2.848 * * * * [progress]: [ 21 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow 1 4) (pow x 4) (- (* (pow y (/ 4 2)) (pow y (/ 4 2))))) (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))))>
2.848 * * * * [progress]: [ 22 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))) (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))))>
2.848 * * * * [progress]: [ 23 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4)))) (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))))>
2.848 * * * * [progress]: [ 24 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (pow y 4) (pow 1 4)))) (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))))>
2.848 * * * * [progress]: [ 25 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))) (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))))>
2.848 * * * * [progress]: [ 26 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (sqrt (pow y 4)) (sqrt (pow y 4))))) (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))))>
2.848 * * * * [progress]: [ 27 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (pow y 4) 1))) (fma (- (pow y 4)) 1 (* (pow y 4) 1))))>
2.848 * * * * [progress]: [ 28 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (pow y (/ 4 2)) (pow y (/ 4 2))))) (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))))>
2.848 * * * * [progress]: [ 29 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))) (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))))>
2.849 * * * * [progress]: [ 30 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4)))) (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))))>
2.849 * * * * [progress]: [ 31 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (pow y 4) (pow 1 4)))) (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))))>
2.849 * * * * [progress]: [ 32 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))) (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))))>
2.849 * * * * [progress]: [ 33 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (sqrt (pow y 4)) (sqrt (pow y 4))))) (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))))>
2.849 * * * * [progress]: [ 34 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (pow y 4) 1))) (fma (- (pow y 4)) 1 (* (pow y 4) 1))))>
2.849 * * * * [progress]: [ 35 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (pow y (/ 4 2)) (pow y (/ 4 2))))) (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))))>
2.849 * * * * [progress]: [ 36 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma 1 (pow x 4) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))) (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))))>
2.849 * * * * [progress]: [ 37 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma 1 (pow x 4) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4)))) (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))))>
2.849 * * * * [progress]: [ 38 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma 1 (pow x 4) (- (* (pow y 4) (pow 1 4)))) (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))))>
2.849 * * * * [progress]: [ 39 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma 1 (pow x 4) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))) (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))))>
2.849 * * * * [progress]: [ 40 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma 1 (pow x 4) (- (* (sqrt (pow y 4)) (sqrt (pow y 4))))) (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))))>
2.849 * * * * [progress]: [ 41 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma 1 (pow x 4) (- (* (pow y 4) 1))) (fma (- (pow y 4)) 1 (* (pow y 4) 1))))>
2.849 * * * * [progress]: [ 42 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma 1 (pow x 4) (- (* (pow y (/ 4 2)) (pow y (/ 4 2))))) (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))))>
2.849 * * * * [progress]: [ 43 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))) (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))))>
2.850 * * * * [progress]: [ 44 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4)))) (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))))>
2.850 * * * * [progress]: [ 45 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (pow y 4) (pow 1 4)))) (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))))>
2.850 * * * * [progress]: [ 46 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))) (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))))>
2.850 * * * * [progress]: [ 47 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (sqrt (pow y 4)) (sqrt (pow y 4))))) (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))))>
2.850 * * * * [progress]: [ 48 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (pow y 4) 1))) (fma (- (pow y 4)) 1 (* (pow y 4) 1))))>
2.850 * * * * [progress]: [ 49 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (pow y (/ 4 2)) (pow y (/ 4 2))))) (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))))>
2.850 * * * * [progress]: [ 50 / 84 ] simplifiying candidate #<alt (λ (x y) (log1p (expm1 (- (pow x 4) (pow y 4)))))>
2.850 * * * * [progress]: [ 51 / 84 ] simplifiying candidate #<alt (λ (x y) (expm1 (log1p (- (pow x 4) (pow y 4)))))>
2.850 * * * * [progress]: [ 52 / 84 ] simplifiying candidate #<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (pow y 4))))>
2.850 * * * * [progress]: [ 53 / 84 ] simplifiying candidate #<alt (λ (x y) (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (pow y 4))))>
2.850 * * * * [progress]: [ 54 / 84 ] simplifiying candidate #<alt (λ (x y) (fma (pow 1 4) (pow x 4) (- (pow y 4))))>
2.850 * * * * [progress]: [ 55 / 84 ] simplifiying candidate #<alt (λ (x y) (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (pow y 4))))>
2.850 * * * * [progress]: [ 56 / 84 ] simplifiying candidate #<alt (λ (x y) (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (pow y 4))))>
2.850 * * * * [progress]: [ 57 / 84 ] simplifiying candidate #<alt (λ (x y) (fma 1 (pow x 4) (- (pow y 4))))>
2.850 * * * * [progress]: [ 58 / 84 ] simplifiying candidate #<alt (λ (x y) (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (pow y 4))))>
2.851 * * * * [progress]: [ 59 / 84 ] simplifiying candidate #<alt (λ (x y) (log (/ (exp (pow x 4)) (exp (pow y 4)))))>
2.851 * * * * [progress]: [ 60 / 84 ] simplifiying candidate #<alt (λ (x y) (pow (- (pow x 4) (pow y 4)) 1))>
2.851 * * * * [progress]: [ 61 / 84 ] simplifiying candidate #<alt (λ (x y) (exp (log (- (pow x 4) (pow y 4)))))>
2.851 * * * * [progress]: [ 62 / 84 ] simplifiying candidate #<alt (λ (x y) (log (exp (- (pow x 4) (pow y 4)))))>
2.851 * * * * [progress]: [ 63 / 84 ] 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)))))>
2.851 * * * * [progress]: [ 64 / 84 ] 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)))))>
2.851 * * * * [progress]: [ 65 / 84 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (- (pow x 4) (pow y 4))) (sqrt (- (pow x 4) (pow y 4)))))>
2.851 * * * * [progress]: [ 66 / 84 ] 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))))))>
2.851 * * * * [progress]: [ 67 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y 4))))>
2.851 * * * * [progress]: [ 68 / 84 ] simplifiying candidate #<alt (λ (x y) (* 1 (- (pow x 4) (pow y 4))))>
2.851 * * * * [progress]: [ 69 / 84 ] simplifiying candidate #<alt (λ (x y) (/ (- (* (pow x 4) (pow x 4)) (* (pow y 4) (pow y 4))) (+ (pow x 4) (pow y 4))))>
2.851 * * * * [progress]: [ 70 / 84 ] simplifiying candidate #<alt (λ (x y) (* (+ (pow (sqrt x) 4) (pow (sqrt y) 4)) (- (pow (sqrt x) 4) (pow (sqrt y) 4))))>
2.851 * * * * [progress]: [ 71 / 84 ] simplifiying candidate #<alt (λ (x y) (* (+ (pow (sqrt x) 4) (sqrt (pow y 4))) (- (pow (sqrt x) 4) (sqrt (pow y 4)))))>
2.851 * * * * [progress]: [ 72 / 84 ] simplifiying candidate #<alt (λ (x y) (* (+ (pow (sqrt x) 4) (pow y (/ 4 2))) (- (pow (sqrt x) 4) (pow y (/ 4 2)))))>
2.851 * * * * [progress]: [ 73 / 84 ] simplifiying candidate #<alt (λ (x y) (* (+ (sqrt (pow x 4)) (pow (sqrt y) 4)) (- (sqrt (pow x 4)) (pow (sqrt y) 4))))>
2.851 * * * * [progress]: [ 74 / 84 ] simplifiying candidate #<alt (λ (x y) (* (+ (sqrt (pow x 4)) (sqrt (pow y 4))) (- (sqrt (pow x 4)) (sqrt (pow y 4)))))>
2.851 * * * * [progress]: [ 75 / 84 ] simplifiying candidate #<alt (λ (x y) (* (+ (sqrt (pow x 4)) (pow y (/ 4 2))) (- (sqrt (pow x 4)) (pow y (/ 4 2)))))>
2.852 * * * * [progress]: [ 76 / 84 ] simplifiying candidate #<alt (λ (x y) (* (+ (pow x (/ 4 2)) (pow (sqrt y) 4)) (- (pow x (/ 4 2)) (pow (sqrt y) 4))))>
2.852 * * * * [progress]: [ 77 / 84 ] simplifiying candidate #<alt (λ (x y) (* (+ (pow x (/ 4 2)) (sqrt (pow y 4))) (- (pow x (/ 4 2)) (sqrt (pow y 4)))))>
2.852 * * * * [progress]: [ 78 / 84 ] simplifiying candidate #<alt (λ (x y) (* (+ (pow x (/ 4 2)) (pow y (/ 4 2))) (- (pow x (/ 4 2)) (pow y (/ 4 2)))))>
2.852 * * * * [progress]: [ 79 / 84 ] simplifiying candidate #<alt (λ (x y) (* (pow 1 4) (- (pow x 4) (pow y 4))))>
2.852 * * * * [progress]: [ 80 / 84 ] simplifiying candidate #<alt (λ (x y) (* 1 (- (pow x 4) (pow y 4))))>
2.852 * * * * [progress]: [ 81 / 84 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (pow y 4))))>
2.852 * * * * [progress]: [ 82 / 84 ] simplifiying candidate #<alt (λ (x y) 0)>
2.852 * * * * [progress]: [ 83 / 84 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
2.852 * * * * [progress]: [ 84 / 84 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
2.855 * [simplify]: Simplifying:
  (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4))))
  (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))
  (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4))))
  (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))
  (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (pow y 4) (pow 1 4))))
  (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))
  (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4))))))
  (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))
  (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (sqrt (pow y 4)) (sqrt (pow y 4)))))
  (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))
  (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (pow y 4) 1)))
  (fma (- (pow y 4)) 1 (* (pow y 4) 1))
  (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (- (* (pow y (/ 4 2)) (pow y (/ 4 2)))))
  (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))
  (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4))))
  (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))
  (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4))))
  (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))
  (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (pow y 4) (pow 1 4))))
  (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))
  (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4))))))
  (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))
  (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (sqrt (pow y 4)) (sqrt (pow y 4)))))
  (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))
  (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (pow y 4) 1)))
  (fma (- (pow y 4)) 1 (* (pow y 4) 1))
  (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (- (* (pow y (/ 4 2)) (pow y (/ 4 2)))))
  (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))
  (fma (pow 1 4) (pow x 4) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4))))
  (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))
  (fma (pow 1 4) (pow x 4) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4))))
  (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))
  (fma (pow 1 4) (pow x 4) (- (* (pow y 4) (pow 1 4))))
  (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))
  (fma (pow 1 4) (pow x 4) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4))))))
  (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))
  (fma (pow 1 4) (pow x 4) (- (* (sqrt (pow y 4)) (sqrt (pow y 4)))))
  (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))
  (fma (pow 1 4) (pow x 4) (- (* (pow y 4) 1)))
  (fma (- (pow y 4)) 1 (* (pow y 4) 1))
  (fma (pow 1 4) (pow x 4) (- (* (pow y (/ 4 2)) (pow y (/ 4 2)))))
  (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))
  (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4))))
  (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))
  (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4))))
  (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))
  (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (pow y 4) (pow 1 4))))
  (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))
  (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4))))))
  (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))
  (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (sqrt (pow y 4)) (sqrt (pow y 4)))))
  (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))
  (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (pow y 4) 1)))
  (fma (- (pow y 4)) 1 (* (pow y 4) 1))
  (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (- (* (pow y (/ 4 2)) (pow y (/ 4 2)))))
  (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))
  (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4))))
  (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))
  (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4))))
  (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))
  (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (pow y 4) (pow 1 4))))
  (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))
  (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4))))))
  (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))
  (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (sqrt (pow y 4)) (sqrt (pow y 4)))))
  (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))
  (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (pow y 4) 1)))
  (fma (- (pow y 4)) 1 (* (pow y 4) 1))
  (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (- (* (pow y (/ 4 2)) (pow y (/ 4 2)))))
  (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))
  (fma 1 (pow x 4) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4))))
  (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))
  (fma 1 (pow x 4) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4))))
  (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))
  (fma 1 (pow x 4) (- (* (pow y 4) (pow 1 4))))
  (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))
  (fma 1 (pow x 4) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4))))))
  (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))
  (fma 1 (pow x 4) (- (* (sqrt (pow y 4)) (sqrt (pow y 4)))))
  (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))
  (fma 1 (pow x 4) (- (* (pow y 4) 1)))
  (fma (- (pow y 4)) 1 (* (pow y 4) 1))
  (fma 1 (pow x 4) (- (* (pow y (/ 4 2)) (pow y (/ 4 2)))))
  (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))
  (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4))))
  (fma (- (pow (cbrt y) 4)) (pow (* (cbrt y) (cbrt y)) 4) (* (pow (cbrt y) 4) (pow (* (cbrt y) (cbrt y)) 4)))
  (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (pow (sqrt y) 4) (pow (sqrt y) 4))))
  (fma (- (pow (sqrt y) 4)) (pow (sqrt y) 4) (* (pow (sqrt y) 4) (pow (sqrt y) 4)))
  (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (pow y 4) (pow 1 4))))
  (fma (- (pow y 4)) (pow 1 4) (* (pow y 4) (pow 1 4)))
  (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4))))))
  (fma (- (cbrt (pow y 4))) (* (cbrt (pow y 4)) (cbrt (pow y 4))) (* (cbrt (pow y 4)) (* (cbrt (pow y 4)) (cbrt (pow y 4)))))
  (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (sqrt (pow y 4)) (sqrt (pow y 4)))))
  (fma (- (sqrt (pow y 4))) (sqrt (pow y 4)) (* (sqrt (pow y 4)) (sqrt (pow y 4))))
  (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (pow y 4) 1)))
  (fma (- (pow y 4)) 1 (* (pow y 4) 1))
  (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (- (* (pow y (/ 4 2)) (pow y (/ 4 2)))))
  (fma (- (pow y (/ 4 2))) (pow y (/ 4 2)) (* (pow y (/ 4 2)) (pow y (/ 4 2))))
  (expm1 (- (pow x 4) (pow y 4)))
  (log1p (- (pow x 4) (pow y 4)))
  (- (pow y 4))
  (- (pow y 4))
  (- (pow y 4))
  (- (pow y 4))
  (- (pow y 4))
  (- (pow y 4))
  (- (pow y 4))
  (/ (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))
2.859 * * [simplify]: iteration 1: (148 enodes)
2.922 * * [simplify]: iteration 2: (313 enodes)
3.167 * * [simplify]: iteration 3: (747 enodes)
3.768 * * [simplify]: Extracting #0: cost 30 inf + 0
3.769 * * [simplify]: Extracting #1: cost 186 inf + 1
3.771 * * [simplify]: Extracting #2: cost 447 inf + 1981
3.778 * * [simplify]: Extracting #3: cost 269 inf + 38203
3.794 * * [simplify]: Extracting #4: cost 54 inf + 94890
3.818 * * [simplify]: Extracting #5: cost 1 inf + 109664
3.857 * * [simplify]: Extracting #6: cost 0 inf + 110232
3.901 * [simplify]: Simplified to:
  (- (* (* (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (+ (- (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y)))))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (- (* (* (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (cbrt x)))) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (+ (- (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y)))))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (+ (- (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y)))))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (cbrt (* (* x x) (* x x))) (* (cbrt (* (* x x) (* x x))) (cbrt (* (* x x) (* x x))))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (+ (- (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y)))))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (- (* (cbrt (* (* x x) (* x x))) (* (cbrt (* (* x x) (* x x))) (cbrt (* (* x x) (* x x))))) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (cbrt (* (* x x) (* x x))) (* (cbrt (* (* x x) (* x x))) (cbrt (* (* x x) (* x x))))) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (cbrt (* (* x x) (* x x))) (* (cbrt (* (* x x) (* x x))) (cbrt (* (* x x) (* x x))))) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (cbrt (* (* x x) (* x x))) (* (cbrt (* (* x x) (* x x))) (cbrt (* (* x x) (* x x))))) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (cbrt (* (* x x) (* x x))) (* (cbrt (* (* x x) (* x x))) (cbrt (* (* x x) (* x x))))) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (cbrt (* (* x x) (* x x))) (* (cbrt (* (* x x) (* x x))) (cbrt (* (* x x) (* x x))))) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (+ (- (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y)))))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (+ (- (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y)))))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (+ (- (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y)))))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))) (* (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (* (* (* y y) (* y y)) 0)
  (expm1 (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (log1p (- (* (* x x) (* x x)) (* (* 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)))
  (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) (* x x))) (* (* x x) (* x x))) (* (* (* (* y y) (* y y)) (* (* y y) (* y y))) (* (* y y) (* y y))))
  (fma (* (* y y) (* y y)) (fma (* y y) (* y y) (* (* x x) (* x x))) (* (* (* x x) (* x x)) (* (* x x) (* x x))))
  (* (* y y) (- (* y y)))
  (- (* (* (* x x) (* x x)) (* (* x x) (* x x))) (* (* (* y y) (* y y)) (* (* y y) (* y y))))
  (fma (* y y) (* y y) (* (* x x) (* x x)))
  (fma x x (* y y))
  (- (* x x) (* y y))
  (fma x x (fabs (* y y)))
  (- (* x x) (fabs (* y y)))
  (fma x x (* y y))
  (- (* x x) (* y y))
  (fma y y (fabs (* x x)))
  (- (fabs (* x x)) (* y y))
  (+ (fabs (* x x)) (fabs (* y y)))
  (- (fabs (* x x)) (fabs (* y y)))
  (fma y y (fabs (* x x)))
  (- (fabs (* x x)) (* y y))
  (fma x x (* y y))
  (- (* x x) (* y y))
  (fma x x (fabs (* y y)))
  (- (* x x) (fabs (* y y)))
  (fma x x (* y y))
  (- (* x x) (* y y))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (- (* (* x x) (* x x)) (* (* 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)))
3.917 * * * [progress]: adding candidates to table
4.650 * * [progress]: iteration 2 / 4
4.650 * * * [progress]: picking best candidate
4.653 * * * * [pick]: Picked  #<alt (λ (x y) (+ (pow x 4) (* (* y y) (- (* y y)))))>
4.653 * * * [progress]: localizing error
4.675 * * * [progress]: generating rewritten candidates
4.675 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
4.712 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
4.727 * * * [progress]: generating series expansions
4.727 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
4.727 * [backup-simplify]: Simplify (* (* y y) (- (* y y))) into (* -1 (pow y 4))
4.728 * [approximate]: Taking taylor expansion of (* -1 (pow y 4)) in (y) around 0
4.728 * [taylor]: Taking taylor expansion of (* -1 (pow y 4)) in y
4.728 * [taylor]: Taking taylor expansion of -1 in y
4.728 * [backup-simplify]: Simplify -1 into -1
4.728 * [taylor]: Taking taylor expansion of (pow y 4) in y
4.728 * [taylor]: Taking taylor expansion of y in y
4.728 * [backup-simplify]: Simplify 0 into 0
4.728 * [backup-simplify]: Simplify 1 into 1
4.728 * [taylor]: Taking taylor expansion of (* -1 (pow y 4)) in y
4.728 * [taylor]: Taking taylor expansion of -1 in y
4.728 * [backup-simplify]: Simplify -1 into -1
4.728 * [taylor]: Taking taylor expansion of (pow y 4) in y
4.728 * [taylor]: Taking taylor expansion of y in y
4.728 * [backup-simplify]: Simplify 0 into 0
4.728 * [backup-simplify]: Simplify 1 into 1
4.728 * [backup-simplify]: Simplify (* 1 1) into 1
4.729 * [backup-simplify]: Simplify (* 1 1) into 1
4.729 * [backup-simplify]: Simplify (* -1 1) into -1
4.729 * [backup-simplify]: Simplify -1 into -1
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 (+ (* -1 0) (* 0 1)) into 0
4.731 * [backup-simplify]: Simplify 0 into 0
4.731 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.732 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.732 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 1))) into 0
4.732 * [backup-simplify]: Simplify 0 into 0
4.733 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.737 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.738 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.738 * [backup-simplify]: Simplify 0 into 0
4.739 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.739 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.740 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.740 * [backup-simplify]: Simplify 0 into 0
4.741 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
4.742 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
4.743 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
4.743 * [backup-simplify]: Simplify 0 into 0
4.744 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
4.744 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
4.745 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
4.746 * [backup-simplify]: Simplify 0 into 0
4.746 * [backup-simplify]: Simplify (* -1 (pow y 4)) into (* -1 (pow y 4))
4.746 * [backup-simplify]: Simplify (* (* (/ 1 y) (/ 1 y)) (- (* (/ 1 y) (/ 1 y)))) into (/ -1 (pow y 4))
4.746 * [approximate]: Taking taylor expansion of (/ -1 (pow y 4)) in (y) around 0
4.746 * [taylor]: Taking taylor expansion of (/ -1 (pow y 4)) in y
4.746 * [taylor]: Taking taylor expansion of -1 in y
4.746 * [backup-simplify]: Simplify -1 into -1
4.746 * [taylor]: Taking taylor expansion of (pow y 4) in y
4.746 * [taylor]: Taking taylor expansion of y in y
4.746 * [backup-simplify]: Simplify 0 into 0
4.746 * [backup-simplify]: Simplify 1 into 1
4.746 * [backup-simplify]: Simplify (* 1 1) into 1
4.747 * [backup-simplify]: Simplify (* 1 1) into 1
4.747 * [backup-simplify]: Simplify (/ -1 1) into -1
4.747 * [taylor]: Taking taylor expansion of (/ -1 (pow y 4)) in y
4.747 * [taylor]: Taking taylor expansion of -1 in y
4.747 * [backup-simplify]: Simplify -1 into -1
4.747 * [taylor]: Taking taylor expansion of (pow y 4) in y
4.747 * [taylor]: Taking taylor expansion of y in y
4.747 * [backup-simplify]: Simplify 0 into 0
4.747 * [backup-simplify]: Simplify 1 into 1
4.747 * [backup-simplify]: Simplify (* 1 1) into 1
4.747 * [backup-simplify]: Simplify (* 1 1) into 1
4.748 * [backup-simplify]: Simplify (/ -1 1) into -1
4.748 * [backup-simplify]: Simplify -1 into -1
4.748 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.749 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.749 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
4.749 * [backup-simplify]: Simplify 0 into 0
4.750 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.750 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.751 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.751 * [backup-simplify]: Simplify 0 into 0
4.752 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.753 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.753 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.753 * [backup-simplify]: Simplify 0 into 0
4.754 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.755 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.755 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.755 * [backup-simplify]: Simplify 0 into 0
4.756 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
4.757 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
4.757 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.757 * [backup-simplify]: Simplify 0 into 0
4.758 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
4.759 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
4.760 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.760 * [backup-simplify]: Simplify 0 into 0
4.760 * [backup-simplify]: Simplify (* -1 (pow (/ 1 (/ 1 y)) 4)) into (* -1 (pow y 4))
4.760 * [backup-simplify]: Simplify (* (* (/ 1 (- y)) (/ 1 (- y))) (- (* (/ 1 (- y)) (/ 1 (- y))))) into (/ -1 (pow y 4))
4.760 * [approximate]: Taking taylor expansion of (/ -1 (pow y 4)) in (y) around 0
4.760 * [taylor]: Taking taylor expansion of (/ -1 (pow y 4)) in y
4.760 * [taylor]: Taking taylor expansion of -1 in y
4.760 * [backup-simplify]: Simplify -1 into -1
4.760 * [taylor]: Taking taylor expansion of (pow y 4) in y
4.760 * [taylor]: Taking taylor expansion of y in y
4.760 * [backup-simplify]: Simplify 0 into 0
4.760 * [backup-simplify]: Simplify 1 into 1
4.761 * [backup-simplify]: Simplify (* 1 1) into 1
4.761 * [backup-simplify]: Simplify (* 1 1) into 1
4.761 * [backup-simplify]: Simplify (/ -1 1) into -1
4.761 * [taylor]: Taking taylor expansion of (/ -1 (pow y 4)) in y
4.761 * [taylor]: Taking taylor expansion of -1 in y
4.761 * [backup-simplify]: Simplify -1 into -1
4.761 * [taylor]: Taking taylor expansion of (pow y 4) in y
4.761 * [taylor]: Taking taylor expansion of y in y
4.761 * [backup-simplify]: Simplify 0 into 0
4.761 * [backup-simplify]: Simplify 1 into 1
4.761 * [backup-simplify]: Simplify (* 1 1) into 1
4.762 * [backup-simplify]: Simplify (* 1 1) into 1
4.762 * [backup-simplify]: Simplify (/ -1 1) into -1
4.762 * [backup-simplify]: Simplify -1 into -1
4.762 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.763 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.763 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
4.763 * [backup-simplify]: Simplify 0 into 0
4.764 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.764 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.765 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.765 * [backup-simplify]: Simplify 0 into 0
4.767 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.768 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.769 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.769 * [backup-simplify]: Simplify 0 into 0
4.769 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.770 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.771 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.771 * [backup-simplify]: Simplify 0 into 0
4.772 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
4.772 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
4.773 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.773 * [backup-simplify]: Simplify 0 into 0
4.774 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
4.775 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
4.775 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.775 * [backup-simplify]: Simplify 0 into 0
4.776 * [backup-simplify]: Simplify (* -1 (pow (/ 1 (/ 1 (- y))) 4)) into (* -1 (pow y 4))
4.776 * * * * [progress]: [ 2 / 2 ] generating series at (2)
4.776 * [backup-simplify]: Simplify (+ (pow x 4) (* (* y y) (- (* y y)))) into (- (pow x 4) (pow y 4))
4.776 * [approximate]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in (x y) around 0
4.776 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
4.776 * [taylor]: Taking taylor expansion of (pow x 4) in y
4.776 * [taylor]: Taking taylor expansion of x in y
4.776 * [backup-simplify]: Simplify x into x
4.776 * [taylor]: Taking taylor expansion of (pow y 4) in y
4.776 * [taylor]: Taking taylor expansion of y in y
4.776 * [backup-simplify]: Simplify 0 into 0
4.776 * [backup-simplify]: Simplify 1 into 1
4.776 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
4.776 * [taylor]: Taking taylor expansion of (pow x 4) in x
4.776 * [taylor]: Taking taylor expansion of x in x
4.776 * [backup-simplify]: Simplify 0 into 0
4.776 * [backup-simplify]: Simplify 1 into 1
4.776 * [taylor]: Taking taylor expansion of (pow y 4) in x
4.776 * [taylor]: Taking taylor expansion of y in x
4.776 * [backup-simplify]: Simplify y into y
4.776 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
4.776 * [taylor]: Taking taylor expansion of (pow x 4) in x
4.776 * [taylor]: Taking taylor expansion of x in x
4.776 * [backup-simplify]: Simplify 0 into 0
4.776 * [backup-simplify]: Simplify 1 into 1
4.776 * [taylor]: Taking taylor expansion of (pow y 4) in x
4.776 * [taylor]: Taking taylor expansion of y in x
4.776 * [backup-simplify]: Simplify y into y
4.776 * [backup-simplify]: Simplify (* y y) into (pow y 2)
4.776 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
4.776 * [backup-simplify]: Simplify (- (pow y 4)) into (- (pow y 4))
4.777 * [backup-simplify]: Simplify (+ 0 (- (pow y 4))) into (- (pow y 4))
4.777 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y
4.777 * [taylor]: Taking taylor expansion of (pow y 4) in y
4.777 * [taylor]: Taking taylor expansion of y in y
4.777 * [backup-simplify]: Simplify 0 into 0
4.777 * [backup-simplify]: Simplify 1 into 1
4.777 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
4.777 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
4.777 * [backup-simplify]: Simplify (- 0) into 0
4.777 * [backup-simplify]: Simplify (+ 0 0) into 0
4.777 * [taylor]: Taking taylor expansion of 0 in y
4.777 * [backup-simplify]: Simplify 0 into 0
4.777 * [backup-simplify]: Simplify 0 into 0
4.778 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
4.778 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
4.778 * [backup-simplify]: Simplify (- 0) into 0
4.778 * [backup-simplify]: Simplify (+ 0 0) into 0
4.778 * [taylor]: Taking taylor expansion of 0 in y
4.779 * [backup-simplify]: Simplify 0 into 0
4.779 * [backup-simplify]: Simplify 0 into 0
4.779 * [backup-simplify]: Simplify 0 into 0
4.779 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
4.780 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (pow y 2))))) into 0
4.780 * [backup-simplify]: Simplify (- 0) into 0
4.780 * [backup-simplify]: Simplify (+ 0 0) into 0
4.780 * [taylor]: Taking taylor expansion of 0 in y
4.780 * [backup-simplify]: Simplify 0 into 0
4.780 * [backup-simplify]: Simplify 0 into 0
4.780 * [backup-simplify]: Simplify 0 into 0
4.780 * [backup-simplify]: Simplify 0 into 0
4.780 * [backup-simplify]: Simplify 0 into 0
4.780 * [backup-simplify]: Simplify (+ (pow (/ 1 x) 4) (* (* (/ 1 y) (/ 1 y)) (- (* (/ 1 y) (/ 1 y))))) into (- (/ 1 (pow x 4)) (/ 1 (pow y 4)))
4.780 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
4.781 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
4.781 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
4.781 * [taylor]: Taking taylor expansion of (pow x 4) in y
4.781 * [taylor]: Taking taylor expansion of x in y
4.781 * [backup-simplify]: Simplify x into x
4.781 * [backup-simplify]: Simplify (* x x) into (pow x 2)
4.781 * [backup-simplify]: Simplify (* (pow x 2) (pow x 2)) into (pow x 4)
4.781 * [backup-simplify]: Simplify (/ 1 (pow x 4)) into (/ 1 (pow x 4))
4.781 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
4.781 * [taylor]: Taking taylor expansion of (pow y 4) in y
4.781 * [taylor]: Taking taylor expansion of y in y
4.781 * [backup-simplify]: Simplify 0 into 0
4.781 * [backup-simplify]: Simplify 1 into 1
4.781 * [backup-simplify]: Simplify (* 1 1) into 1
4.781 * [backup-simplify]: Simplify (* 1 1) into 1
4.782 * [backup-simplify]: Simplify (/ 1 1) into 1
4.782 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
4.782 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
4.782 * [taylor]: Taking taylor expansion of (pow x 4) in x
4.782 * [taylor]: Taking taylor expansion of x in x
4.782 * [backup-simplify]: Simplify 0 into 0
4.782 * [backup-simplify]: Simplify 1 into 1
4.782 * [backup-simplify]: Simplify (* 1 1) into 1
4.782 * [backup-simplify]: Simplify (* 1 1) into 1
4.782 * [backup-simplify]: Simplify (/ 1 1) into 1
4.782 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
4.782 * [taylor]: Taking taylor expansion of (pow y 4) in x
4.782 * [taylor]: Taking taylor expansion of y in x
4.782 * [backup-simplify]: Simplify y into y
4.783 * [backup-simplify]: Simplify (* y y) into (pow y 2)
4.783 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
4.783 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
4.783 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
4.783 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
4.783 * [taylor]: Taking taylor expansion of (pow x 4) in x
4.783 * [taylor]: Taking taylor expansion of x in x
4.783 * [backup-simplify]: Simplify 0 into 0
4.783 * [backup-simplify]: Simplify 1 into 1
4.783 * [backup-simplify]: Simplify (* 1 1) into 1
4.783 * [backup-simplify]: Simplify (* 1 1) into 1
4.783 * [backup-simplify]: Simplify (/ 1 1) into 1
4.783 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
4.783 * [taylor]: Taking taylor expansion of (pow y 4) in x
4.784 * [taylor]: Taking taylor expansion of y in x
4.784 * [backup-simplify]: Simplify y into y
4.784 * [backup-simplify]: Simplify (* y y) into (pow y 2)
4.784 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
4.784 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
4.784 * [backup-simplify]: Simplify (+ 1 0) into 1
4.784 * [taylor]: Taking taylor expansion of 1 in y
4.784 * [backup-simplify]: Simplify 1 into 1
4.784 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.785 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.785 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.786 * [backup-simplify]: Simplify (+ 0 0) into 0
4.786 * [taylor]: Taking taylor expansion of 0 in y
4.786 * [backup-simplify]: Simplify 0 into 0
4.786 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.787 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.787 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.788 * [backup-simplify]: Simplify (+ 0 0) into 0
4.788 * [taylor]: Taking taylor expansion of 0 in y
4.788 * [backup-simplify]: Simplify 0 into 0
4.788 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.789 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.789 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.790 * [backup-simplify]: Simplify (+ 0 0) into 0
4.790 * [taylor]: Taking taylor expansion of 0 in y
4.790 * [backup-simplify]: Simplify 0 into 0
4.790 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.791 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.792 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.792 * [backup-simplify]: Simplify (- (/ 1 (pow y 4))) into (- (/ 1 (pow y 4)))
4.792 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 4)))) into (- (/ 1 (pow y 4)))
4.792 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
4.792 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
4.792 * [taylor]: Taking taylor expansion of (pow y 4) in y
4.792 * [taylor]: Taking taylor expansion of y in y
4.792 * [backup-simplify]: Simplify 0 into 0
4.792 * [backup-simplify]: Simplify 1 into 1
4.792 * [backup-simplify]: Simplify (* 1 1) into 1
4.792 * [backup-simplify]: Simplify (* 1 1) into 1
4.793 * [backup-simplify]: Simplify (/ 1 1) into 1
4.793 * [backup-simplify]: Simplify (- 1) into -1
4.793 * [backup-simplify]: Simplify -1 into -1
4.793 * [backup-simplify]: Simplify 1 into 1
4.794 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
4.794 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
4.795 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.795 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
4.795 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
4.795 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))))) into 0
4.796 * [backup-simplify]: Simplify (- 0) into 0
4.796 * [backup-simplify]: Simplify (+ 0 0) into 0
4.796 * [taylor]: Taking taylor expansion of 0 in y
4.796 * [backup-simplify]: Simplify 0 into 0
4.796 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.797 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.798 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.798 * [backup-simplify]: Simplify (- 0) into 0
4.798 * [backup-simplify]: Simplify 0 into 0
4.798 * [backup-simplify]: Simplify 0 into 0
4.798 * [backup-simplify]: Simplify 0 into 0
4.800 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
4.802 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
4.803 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.803 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
4.804 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
4.804 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))) (* 0 (/ 0 (pow y 4))))) into 0
4.804 * [backup-simplify]: Simplify (- 0) into 0
4.805 * [backup-simplify]: Simplify (+ 0 0) into 0
4.805 * [taylor]: Taking taylor expansion of 0 in y
4.805 * [backup-simplify]: Simplify 0 into 0
4.806 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.806 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.807 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.808 * [backup-simplify]: Simplify (- 0) into 0
4.808 * [backup-simplify]: Simplify 0 into 0
4.808 * [backup-simplify]: Simplify 0 into 0
4.808 * [backup-simplify]: Simplify 0 into 0
4.808 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 4)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 4))) into (- (pow x 4) (pow y 4))
4.809 * [backup-simplify]: Simplify (+ (pow (/ 1 (- x)) 4) (* (* (/ 1 (- y)) (/ 1 (- y))) (- (* (/ 1 (- y)) (/ 1 (- y)))))) into (- (/ 1 (pow x 4)) (/ 1 (pow y 4)))
4.809 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
4.809 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
4.809 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
4.809 * [taylor]: Taking taylor expansion of (pow x 4) in y
4.809 * [taylor]: Taking taylor expansion of x in y
4.809 * [backup-simplify]: Simplify x into x
4.809 * [backup-simplify]: Simplify (* x x) into (pow x 2)
4.809 * [backup-simplify]: Simplify (* (pow x 2) (pow x 2)) into (pow x 4)
4.809 * [backup-simplify]: Simplify (/ 1 (pow x 4)) into (/ 1 (pow x 4))
4.809 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
4.809 * [taylor]: Taking taylor expansion of (pow y 4) in y
4.809 * [taylor]: Taking taylor expansion of y in y
4.809 * [backup-simplify]: Simplify 0 into 0
4.809 * [backup-simplify]: Simplify 1 into 1
4.810 * [backup-simplify]: Simplify (* 1 1) into 1
4.810 * [backup-simplify]: Simplify (* 1 1) into 1
4.810 * [backup-simplify]: Simplify (/ 1 1) into 1
4.810 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
4.810 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
4.811 * [taylor]: Taking taylor expansion of (pow x 4) in x
4.811 * [taylor]: Taking taylor expansion of x in x
4.811 * [backup-simplify]: Simplify 0 into 0
4.811 * [backup-simplify]: Simplify 1 into 1
4.811 * [backup-simplify]: Simplify (* 1 1) into 1
4.811 * [backup-simplify]: Simplify (* 1 1) into 1
4.812 * [backup-simplify]: Simplify (/ 1 1) into 1
4.812 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
4.812 * [taylor]: Taking taylor expansion of (pow y 4) in x
4.812 * [taylor]: Taking taylor expansion of y in x
4.812 * [backup-simplify]: Simplify y into y
4.812 * [backup-simplify]: Simplify (* y y) into (pow y 2)
4.812 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
4.812 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
4.812 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
4.812 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
4.812 * [taylor]: Taking taylor expansion of (pow x 4) in x
4.812 * [taylor]: Taking taylor expansion of x in x
4.812 * [backup-simplify]: Simplify 0 into 0
4.812 * [backup-simplify]: Simplify 1 into 1
4.813 * [backup-simplify]: Simplify (* 1 1) into 1
4.813 * [backup-simplify]: Simplify (* 1 1) into 1
4.813 * [backup-simplify]: Simplify (/ 1 1) into 1
4.813 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
4.813 * [taylor]: Taking taylor expansion of (pow y 4) in x
4.813 * [taylor]: Taking taylor expansion of y in x
4.813 * [backup-simplify]: Simplify y into y
4.814 * [backup-simplify]: Simplify (* y y) into (pow y 2)
4.814 * [backup-simplify]: Simplify (* (pow y 2) (pow y 2)) into (pow y 4)
4.814 * [backup-simplify]: Simplify (/ 1 (pow y 4)) into (/ 1 (pow y 4))
4.814 * [backup-simplify]: Simplify (+ 1 0) into 1
4.814 * [taylor]: Taking taylor expansion of 1 in y
4.814 * [backup-simplify]: Simplify 1 into 1
4.815 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.816 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.816 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.817 * [backup-simplify]: Simplify (+ 0 0) into 0
4.817 * [taylor]: Taking taylor expansion of 0 in y
4.817 * [backup-simplify]: Simplify 0 into 0
4.818 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.819 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.819 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.820 * [backup-simplify]: Simplify (+ 0 0) into 0
4.820 * [taylor]: Taking taylor expansion of 0 in y
4.820 * [backup-simplify]: Simplify 0 into 0
4.821 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.822 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.823 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.823 * [backup-simplify]: Simplify (+ 0 0) into 0
4.823 * [taylor]: Taking taylor expansion of 0 in y
4.823 * [backup-simplify]: Simplify 0 into 0
4.824 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.826 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.827 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.827 * [backup-simplify]: Simplify (- (/ 1 (pow y 4))) into (- (/ 1 (pow y 4)))
4.827 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 4)))) into (- (/ 1 (pow y 4)))
4.827 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
4.827 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
4.827 * [taylor]: Taking taylor expansion of (pow y 4) in y
4.827 * [taylor]: Taking taylor expansion of y in y
4.827 * [backup-simplify]: Simplify 0 into 0
4.827 * [backup-simplify]: Simplify 1 into 1
4.827 * [backup-simplify]: Simplify (* 1 1) into 1
4.828 * [backup-simplify]: Simplify (* 1 1) into 1
4.828 * [backup-simplify]: Simplify (/ 1 1) into 1
4.829 * [backup-simplify]: Simplify (- 1) into -1
4.829 * [backup-simplify]: Simplify -1 into -1
4.829 * [backup-simplify]: Simplify 1 into 1
4.830 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
4.831 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
4.832 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.832 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
4.833 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (* 0 (pow y 2))) into 0
4.833 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))))) into 0
4.833 * [backup-simplify]: Simplify (- 0) into 0
4.833 * [backup-simplify]: Simplify (+ 0 0) into 0
4.834 * [taylor]: Taking taylor expansion of 0 in y
4.834 * [backup-simplify]: Simplify 0 into 0
4.834 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.835 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.836 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.836 * [backup-simplify]: Simplify (- 0) into 0
4.836 * [backup-simplify]: Simplify 0 into 0
4.836 * [backup-simplify]: Simplify 0 into 0
4.836 * [backup-simplify]: Simplify 0 into 0
4.838 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
4.839 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
4.840 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.841 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
4.841 * [backup-simplify]: Simplify (+ (* (pow y 2) 0) (+ (* 0 0) (* 0 (pow y 2)))) into 0
4.841 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 4)) (/ 0 (pow y 4))) (* 0 (/ 0 (pow y 4))))) into 0
4.842 * [backup-simplify]: Simplify (- 0) into 0
4.842 * [backup-simplify]: Simplify (+ 0 0) into 0
4.842 * [taylor]: Taking taylor expansion of 0 in y
4.842 * [backup-simplify]: Simplify 0 into 0
4.843 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.844 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.850 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.851 * [backup-simplify]: Simplify (- 0) into 0
4.851 * [backup-simplify]: Simplify 0 into 0
4.851 * [backup-simplify]: Simplify 0 into 0
4.851 * [backup-simplify]: Simplify 0 into 0
4.851 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 4)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 4))) into (- (pow x 4) (pow y 4))
4.851 * * * [progress]: simplifying candidates
4.852 * * * * [progress]: [ 1 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (log1p (expm1 (* (* y y) (- (* y y)))))))>
4.852 * * * * [progress]: [ 2 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (expm1 (log1p (* (* y y) (- (* y y)))))))>
4.852 * * * * [progress]: [ 3 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (pow (* (* y y) (- (* y y))) 1)))>
4.852 * * * * [progress]: [ 4 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (pow (* (* y y) (- (* y y))) 1)))>
4.852 * * * * [progress]: [ 5 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (pow (* (* y y) (- (* y y))) 1)))>
4.852 * * * * [progress]: [ 6 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (exp (+ (+ (log y) (log y)) (log (- (* y y)))))))>
4.852 * * * * [progress]: [ 7 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (exp (+ (log (* y y)) (log (- (* y y)))))))>
4.852 * * * * [progress]: [ 8 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (exp (log (* (* y y) (- (* y y)))))))>
4.852 * * * * [progress]: [ 9 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (log (exp (* (* y y) (- (* y y)))))))>
4.853 * * * * [progress]: [ 10 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (cbrt (* (* (* (* y y) y) (* (* y y) y)) (* (* (- (* y y)) (- (* y y))) (- (* y y)))))))>
4.853 * * * * [progress]: [ 11 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (cbrt (* (* (* (* y y) (* y y)) (* y y)) (* (* (- (* y y)) (- (* y y))) (- (* y y)))))))>
4.853 * * * * [progress]: [ 12 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* (* (cbrt (* (* y y) (- (* y y)))) (cbrt (* (* y y) (- (* y y))))) (cbrt (* (* y y) (- (* y y)))))))>
4.853 * * * * [progress]: [ 13 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (cbrt (* (* (* (* y y) (- (* y y))) (* (* y y) (- (* y y)))) (* (* y y) (- (* y y)))))))>
4.853 * * * * [progress]: [ 14 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* (sqrt (* (* y y) (- (* y y)))) (sqrt (* (* y y) (- (* y y)))))))>
4.853 * * * * [progress]: [ 15 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* 1 (* (* y y) (- (* y y))))))>
4.853 * * * * [progress]: [ 16 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* (* y (sqrt (- (* y y)))) (* y (sqrt (- (* y y)))))))>
4.853 * * * * [progress]: [ 17 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (- (* (* y y) (* y y)))))>
4.853 * * * * [progress]: [ 18 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* (* (* y y) (* (cbrt (- (* y y))) (cbrt (- (* y y))))) (cbrt (- (* y y))))))>
4.853 * * * * [progress]: [ 19 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* (* (* y y) (sqrt (- (* y y)))) (sqrt (- (* y y))))))>
4.853 * * * * [progress]: [ 20 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* (* (* y y) 1) (- (* y y)))))>
4.853 * * * * [progress]: [ 21 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* (* (* y y) -1) (* y y))))>
4.853 * * * * [progress]: [ 22 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* (* (* y y) (- y)) y)))>
4.853 * * * * [progress]: [ 23 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* (* (* y y) y) (- y))))>
4.853 * * * * [progress]: [ 24 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* y (* y (- (* y y))))))>
4.853 * * * * [progress]: [ 25 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* (- (* y y)) (* y y))))>
4.854 * * * * [progress]: [ 26 / 53 ] simplifiying candidate #<alt (λ (x y) (log1p (expm1 (+ (pow x 4) (* (* y y) (- (* y y)))))))>
4.854 * * * * [progress]: [ 27 / 53 ] simplifiying candidate #<alt (λ (x y) (expm1 (log1p (+ (pow x 4) (* (* y y) (- (* y y)))))))>
4.854 * * * * [progress]: [ 28 / 53 ] simplifiying candidate #<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4) (pow (cbrt x) 4) (* (* y y) (- (* y y)))))>
4.854 * * * * [progress]: [ 29 / 53 ] simplifiying candidate #<alt (λ (x y) (fma (pow (sqrt x) 4) (pow (sqrt x) 4) (* (* y y) (- (* y y)))))>
4.854 * * * * [progress]: [ 30 / 53 ] simplifiying candidate #<alt (λ (x y) (fma (pow 1 4) (pow x 4) (* (* y y) (- (* y y)))))>
4.854 * * * * [progress]: [ 31 / 53 ] simplifiying candidate #<alt (λ (x y) (fma (* (cbrt (pow x 4)) (cbrt (pow x 4))) (cbrt (pow x 4)) (* (* y y) (- (* y y)))))>
4.854 * * * * [progress]: [ 32 / 53 ] simplifiying candidate #<alt (λ (x y) (fma (sqrt (pow x 4)) (sqrt (pow x 4)) (* (* y y) (- (* y y)))))>
4.854 * * * * [progress]: [ 33 / 53 ] simplifiying candidate #<alt (λ (x y) (fma 1 (pow x 4) (* (* y y) (- (* y y)))))>
4.854 * * * * [progress]: [ 34 / 53 ] simplifiying candidate #<alt (λ (x y) (fma (pow x (/ 4 2)) (pow x (/ 4 2)) (* (* y y) (- (* y y)))))>
4.854 * * * * [progress]: [ 35 / 53 ] simplifiying candidate #<alt (λ (x y) (log (* (exp (pow x 4)) (exp (* (* y y) (- (* y y)))))))>
4.854 * * * * [progress]: [ 36 / 53 ] simplifiying candidate #<alt (λ (x y) (pow (+ (pow x 4) (* (* y y) (- (* y y)))) 1))>
4.854 * * * * [progress]: [ 37 / 53 ] simplifiying candidate #<alt (λ (x y) (exp (log (+ (pow x 4) (* (* y y) (- (* y y)))))))>
4.854 * * * * [progress]: [ 38 / 53 ] simplifiying candidate #<alt (λ (x y) (log (exp (+ (pow x 4) (* (* y y) (- (* y y)))))))>
4.854 * * * * [progress]: [ 39 / 53 ] 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)))))))>
4.854 * * * * [progress]: [ 40 / 53 ] 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)))))))>
4.854 * * * * [progress]: [ 41 / 53 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (+ (pow x 4) (* (* y y) (- (* y y))))) (sqrt (+ (pow x 4) (* (* y y) (- (* y y)))))))>
4.854 * * * * [progress]: [ 42 / 53 ] 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))))))))>
4.855 * * * * [progress]: [ 43 / 53 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (* (* y y) (* y y))))>
4.855 * * * * [progress]: [ 44 / 53 ] simplifiying candidate #<alt (λ (x y) (* 1 (+ (pow x 4) (* (* y y) (- (* y y))))))>
4.855 * * * * [progress]: [ 45 / 53 ] 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))))))>
4.855 * * * * [progress]: [ 46 / 53 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (* (* y y) (* y y))))>
4.855 * * * * [progress]: [ 47 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (* (* y y) (- (* y y))) (pow x 4)))>
4.855 * * * * [progress]: [ 48 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* -1 (pow y 4))))>
4.855 * * * * [progress]: [ 49 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* -1 (pow y 4))))>
4.855 * * * * [progress]: [ 50 / 53 ] simplifiying candidate #<alt (λ (x y) (+ (pow x 4) (* -1 (pow y 4))))>
4.855 * * * * [progress]: [ 51 / 53 ] simplifiying candidate #<alt (λ (x y) 0)>
4.855 * * * * [progress]: [ 52 / 53 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
4.855 * * * * [progress]: [ 53 / 53 ] simplifiying candidate #<alt (λ (x y) (- (pow x 4) (pow y 4)))>
4.856 * [simplify]: Simplifying:
  (expm1 (* (* y y) (- (* y y))))
  (log1p (* (* y y) (- (* y y))))
  (* (* y y) (- (* y y)))
  (* (* y y) (- (* y y)))
  (+ (+ (log y) (log y)) (log (- (* y 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))))
  (* (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 (sqrt (- (* y y))))
  (* y (sqrt (- (* y y))))
  (* (* y y) (* y y))
  (* (* y y) (* (cbrt (- (* y y))) (cbrt (- (* y y)))))
  (* (* y y) (sqrt (- (* y y))))
  (* (* y y) 1)
  (* (* y y) -1)
  (* (* y y) (- y))
  (* (* y y) y)
  (* y (- (* y y)))
  (expm1 (+ (pow x 4) (* (* y y) (- (* y y)))))
  (log1p (+ (pow x 4) (* (* 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))))
  (* -1 (pow y 4))
  (* -1 (pow y 4))
  (* -1 (pow y 4))
  0
  (- (pow x 4) (pow y 4))
  (- (pow x 4) (pow y 4))
4.857 * * [simplify]: iteration 1: (69 enodes)
4.886 * * [simplify]: iteration 2: (197 enodes)
5.002 * * [simplify]: iteration 3: (665 enodes)
5.760 * * [simplify]: iteration 4: (1922 enodes)
10.164 * * [simplify]: Extracting #0: cost 31 inf + 0
10.171 * * [simplify]: Extracting #1: cost 254 inf + 1
10.180 * * [simplify]: Extracting #2: cost 632 inf + 4027
10.199 * * [simplify]: Extracting #3: cost 625 inf + 34238
10.262 * * [simplify]: Extracting #4: cost 253 inf + 173991
10.368 * * [simplify]: Extracting #5: cost 16 inf + 235909
10.456 * * [simplify]: Extracting #6: cost 0 inf + 227930
10.566 * * [simplify]: Extracting #7: cost 0 inf + 227570
10.649 * [simplify]: Simplified to:
  (expm1 (* (* y y) (- (* y y))))
  (log1p (* (* y y) (- (* y y))))
  (* (* y y) (- (* y y)))
  (* (* y y) (- (* y y)))
  (log (* (* y y) (- (* y y))))
  (log (* (* y y) (- (* 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)))))
  (* (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))))
  (* (sqrt (- (* y y))) y)
  (* (sqrt (- (* y y))) y)
  (* (* y y) (* y y))
  (* (* (cbrt (- (* y y))) y) (* (cbrt (- (* y y))) y))
  (* (* y y) (sqrt (- (* y y))))
  (* y y)
  (- (* y y))
  (* (- y) (* y y))
  (* y (* y y))
  (* (- y) (* y y))
  (expm1 (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (log1p (- (* (* 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)))))
  (fma (* (* x x) (* x x)) (* (* y y) (* y y)) (fma (* (* y y) (* y y)) (* (* y y) (* y y)) (* (* (* x x) (* x x)) (* (* x x) (* x x)))))
  (- (* (* (* x x) (* x x)) (* (* x x) (* x x))) (* (* (* y y) (* y y)) (* (* y y) (* y y))))
  (fma (* x x) (* x x) (* (* y y) (* y y)))
  (* (* 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)))
10.651 * * * [progress]: adding candidates to table
11.183 * [progress]: [Phase 3 of 3] Extracting.
11.184 * * [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)))))>)
11.185 * * * [regime-changes]: Trying 5 branch expressions: ((pow y 4) (pow x 4) (- (pow x 4) (pow y 4)) y x)
11.185 * * * * [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)))))>)
11.235 * * * * [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)))))>)
11.284 * * * * [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)))))>)
11.347 * * * * [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)))))>)
11.381 * * * * [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)))))>)
11.406 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
11.406 * [simplify]: Simplifying:
  (- (pow x 4) (pow y 4))
11.407 * * [simplify]: iteration 1: (6 enodes)
11.407 * * [simplify]: Extracting #0: cost 1 inf + 0
11.407 * * [simplify]: Extracting #1: cost 3 inf + 0
11.407 * * [simplify]: Extracting #2: cost 6 inf + 0
11.407 * * [simplify]: Extracting #3: cost 2 inf + 215
11.407 * * [simplify]: Extracting #4: cost 0 inf + 890
11.407 * [simplify]: Simplified to:
  (- (pow x 4) (pow y 4))
14.319 * [regime-testing]: Baseline error score: 0.0025405585816836306
14.321 * [regime-testing]: Oracle error score: 0.0022905273277768925
14.327 * [regime-testing]: End program error score: 0.0025405585816836306