36.827 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.028 * * * [progress]: [2/2] Setting up program.
0.033 * [progress]: [Phase 2 of 3] Improving.
0.033 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.033 * * [simplify]: iteration 0: 5 enodes
0.035 * * [simplify]: iteration 1: 10 enodes
0.037 * * [simplify]: iteration 2: 17 enodes
0.040 * * [simplify]: iteration 3: 32 enodes
0.048 * * [simplify]: iteration 4: 58 enodes
0.066 * * [simplify]: iteration 5: 129 enodes
0.108 * * [simplify]: iteration 6: 281 enodes
0.227 * * [simplify]: iteration 7: 703 enodes
1.049 * * [simplify]: iteration 8: 3184 enodes
2.692 * * [simplify]: iteration complete: 5000 enodes
2.692 * * [simplify]: Extracting #0: cost 1 inf + 0
2.692 * * [simplify]: Extracting #1: cost 139 inf + 0
2.696 * * [simplify]: Extracting #2: cost 1135 inf + 3
2.703 * * [simplify]: Extracting #3: cost 1018 inf + 1047
2.710 * * [simplify]: Extracting #4: cost 149 inf + 6906
2.718 * * [simplify]: Extracting #5: cost 1 inf + 8257
2.732 * * [simplify]: Extracting #6: cost 0 inf + 8263
2.738 * [simplify]: Simplified to:
  (- (* x x) (* y y))
2.739 * * [progress]: iteration 1 / 4
2.739 * * * [progress]: picking best candidate
2.744 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
2.744 * * * [progress]: localizing error
2.756 * * * [progress]: generating rewritten candidates
2.757 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
2.767 * * * [progress]: generating series expansions
2.767 * * * * [progress]: [ 1 / 1 ] generating series at (2)
2.768 * [backup-simplify]: Simplify (- (* x x) (* y y)) into (- (pow x 2) (pow y 2))
2.768 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
2.768 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
2.768 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.768 * [taylor]: Taking taylor expansion of x in y
2.768 * [backup-simplify]: Simplify x into x
2.768 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.768 * [taylor]: Taking taylor expansion of y in y
2.768 * [backup-simplify]: Simplify 0 into 0
2.768 * [backup-simplify]: Simplify 1 into 1
2.768 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
2.768 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.768 * [taylor]: Taking taylor expansion of x in x
2.768 * [backup-simplify]: Simplify 0 into 0
2.768 * [backup-simplify]: Simplify 1 into 1
2.768 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.768 * [taylor]: Taking taylor expansion of y in x
2.768 * [backup-simplify]: Simplify y into y
2.768 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
2.768 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.768 * [taylor]: Taking taylor expansion of x in x
2.768 * [backup-simplify]: Simplify 0 into 0
2.768 * [backup-simplify]: Simplify 1 into 1
2.768 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.768 * [taylor]: Taking taylor expansion of y in x
2.768 * [backup-simplify]: Simplify y into y
2.768 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.769 * [backup-simplify]: Simplify (- (pow y 2)) into (- (pow y 2))
2.769 * [backup-simplify]: Simplify (+ 0 (- (pow y 2))) into (- (pow y 2))
2.769 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
2.769 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.769 * [taylor]: Taking taylor expansion of y in y
2.769 * [backup-simplify]: Simplify 0 into 0
2.769 * [backup-simplify]: Simplify 1 into 1
2.769 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
2.770 * [backup-simplify]: Simplify (- 0) into 0
2.771 * [backup-simplify]: Simplify (+ 0 0) into 0
2.771 * [taylor]: Taking taylor expansion of 0 in y
2.771 * [backup-simplify]: Simplify 0 into 0
2.771 * [backup-simplify]: Simplify 0 into 0
2.772 * [backup-simplify]: Simplify (* 1 1) into 1
2.772 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
2.772 * [backup-simplify]: Simplify (- 0) into 0
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 into 1
2.773 * [backup-simplify]: Simplify 0 into 0
2.773 * [backup-simplify]: Simplify (* 1 1) into 1
2.774 * [backup-simplify]: Simplify (- 1) into -1
2.774 * [backup-simplify]: Simplify -1 into -1
2.774 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.775 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
2.776 * [backup-simplify]: Simplify (- 0) into 0
2.776 * [backup-simplify]: Simplify (+ 0 0) into 0
2.776 * [taylor]: Taking taylor expansion of 0 in y
2.776 * [backup-simplify]: Simplify 0 into 0
2.776 * [backup-simplify]: Simplify 0 into 0
2.776 * [backup-simplify]: Simplify 0 into 0
2.776 * [backup-simplify]: Simplify 0 into 0
2.777 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.777 * [backup-simplify]: Simplify (- 0) into 0
2.778 * [backup-simplify]: Simplify 0 into 0
2.778 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.780 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
2.780 * [backup-simplify]: Simplify (- 0) into 0
2.780 * [backup-simplify]: Simplify (+ 0 0) into 0
2.780 * [taylor]: Taking taylor expansion of 0 in y
2.780 * [backup-simplify]: Simplify 0 into 0
2.781 * [backup-simplify]: Simplify 0 into 0
2.781 * [backup-simplify]: Simplify 0 into 0
2.781 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
2.781 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
2.781 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
2.781 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
2.781 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.781 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.781 * [taylor]: Taking taylor expansion of x in y
2.781 * [backup-simplify]: Simplify x into x
2.781 * [backup-simplify]: Simplify (* x x) into (pow x 2)
2.782 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
2.782 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.782 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.782 * [taylor]: Taking taylor expansion of y in y
2.782 * [backup-simplify]: Simplify 0 into 0
2.782 * [backup-simplify]: Simplify 1 into 1
2.782 * [backup-simplify]: Simplify (* 1 1) into 1
2.783 * [backup-simplify]: Simplify (/ 1 1) into 1
2.783 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
2.783 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.783 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.783 * [taylor]: Taking taylor expansion of x in x
2.783 * [backup-simplify]: Simplify 0 into 0
2.783 * [backup-simplify]: Simplify 1 into 1
2.783 * [backup-simplify]: Simplify (* 1 1) into 1
2.784 * [backup-simplify]: Simplify (/ 1 1) into 1
2.784 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.784 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.784 * [taylor]: Taking taylor expansion of y in x
2.784 * [backup-simplify]: Simplify y into y
2.784 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.784 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
2.784 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
2.784 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.784 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.784 * [taylor]: Taking taylor expansion of x in x
2.784 * [backup-simplify]: Simplify 0 into 0
2.784 * [backup-simplify]: Simplify 1 into 1
2.785 * [backup-simplify]: Simplify (* 1 1) into 1
2.785 * [backup-simplify]: Simplify (/ 1 1) into 1
2.785 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.785 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.785 * [taylor]: Taking taylor expansion of y in x
2.785 * [backup-simplify]: Simplify y into y
2.785 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.785 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
2.786 * [backup-simplify]: Simplify (+ 1 0) into 1
2.786 * [taylor]: Taking taylor expansion of 1 in y
2.786 * [backup-simplify]: Simplify 1 into 1
2.787 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.787 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.788 * [backup-simplify]: Simplify (+ 0 0) into 0
2.788 * [taylor]: Taking taylor expansion of 0 in y
2.788 * [backup-simplify]: Simplify 0 into 0
2.789 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.790 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.790 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
2.790 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
2.790 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
2.790 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.790 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.790 * [taylor]: Taking taylor expansion of y in y
2.790 * [backup-simplify]: Simplify 0 into 0
2.790 * [backup-simplify]: Simplify 1 into 1
2.791 * [backup-simplify]: Simplify (* 1 1) into 1
2.791 * [backup-simplify]: Simplify (/ 1 1) into 1
2.792 * [backup-simplify]: Simplify (- 1) into -1
2.792 * [backup-simplify]: Simplify -1 into -1
2.792 * [backup-simplify]: Simplify 1 into 1
2.793 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.794 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.794 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
2.794 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
2.795 * [backup-simplify]: Simplify (- 0) into 0
2.795 * [backup-simplify]: Simplify (+ 0 0) into 0
2.795 * [taylor]: Taking taylor expansion of 0 in y
2.795 * [backup-simplify]: Simplify 0 into 0
2.796 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.797 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.797 * [backup-simplify]: Simplify (- 0) into 0
2.797 * [backup-simplify]: Simplify 0 into 0
2.797 * [backup-simplify]: Simplify 0 into 0
2.797 * [backup-simplify]: Simplify 0 into 0
2.799 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.800 * [backup-simplify]: Simplify (- (+ (* 1 (/ 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
2.801 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
2.801 * [backup-simplify]: Simplify (- 0) into 0
2.802 * [backup-simplify]: Simplify (+ 0 0) into 0
2.802 * [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 1)) (* 0 (/ 0 1)))) into 0
2.804 * [backup-simplify]: Simplify (- 0) into 0
2.804 * [backup-simplify]: Simplify 0 into 0
2.804 * [backup-simplify]: Simplify 0 into 0
2.804 * [backup-simplify]: Simplify 0 into 0
2.804 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
2.805 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y)))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
2.805 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
2.805 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
2.805 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
2.805 * [taylor]: Taking taylor expansion of (pow x 2) in y
2.805 * [taylor]: Taking taylor expansion of x in y
2.805 * [backup-simplify]: Simplify x into x
2.805 * [backup-simplify]: Simplify (* x x) into (pow x 2)
2.805 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
2.805 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.805 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.805 * [taylor]: Taking taylor expansion of y in y
2.805 * [backup-simplify]: Simplify 0 into 0
2.805 * [backup-simplify]: Simplify 1 into 1
2.806 * [backup-simplify]: Simplify (* 1 1) into 1
2.806 * [backup-simplify]: Simplify (/ 1 1) into 1
2.806 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
2.806 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.806 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.806 * [taylor]: Taking taylor expansion of x in x
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
2.807 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.807 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.807 * [taylor]: Taking taylor expansion of y in x
2.807 * [backup-simplify]: Simplify y into y
2.807 * [backup-simplify]: Simplify (* y y) into (pow y 2)
2.808 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
2.808 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
2.808 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.808 * [taylor]: Taking taylor expansion of (pow x 2) 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
2.809 * [backup-simplify]: Simplify (/ 1 1) into 1
2.809 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
2.809 * [taylor]: Taking taylor expansion of (pow y 2) 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 (/ 1 (pow y 2)) into (/ 1 (pow y 2))
2.810 * [backup-simplify]: Simplify (+ 1 0) into 1
2.810 * [taylor]: Taking taylor expansion of 1 in y
2.810 * [backup-simplify]: Simplify 1 into 1
2.810 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.811 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.812 * [backup-simplify]: Simplify (+ 0 0) into 0
2.812 * [taylor]: Taking taylor expansion of 0 in y
2.812 * [backup-simplify]: Simplify 0 into 0
2.812 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.813 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.814 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
2.814 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
2.814 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
2.814 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.814 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.814 * [taylor]: Taking taylor expansion of y in y
2.814 * [backup-simplify]: Simplify 0 into 0
2.814 * [backup-simplify]: Simplify 1 into 1
2.815 * [backup-simplify]: Simplify (* 1 1) into 1
2.815 * [backup-simplify]: Simplify (/ 1 1) into 1
2.815 * [backup-simplify]: Simplify (- 1) into -1
2.815 * [backup-simplify]: Simplify -1 into -1
2.816 * [backup-simplify]: Simplify 1 into 1
2.817 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.818 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.818 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
2.818 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
2.819 * [backup-simplify]: Simplify (- 0) into 0
2.819 * [backup-simplify]: Simplify (+ 0 0) into 0
2.819 * [taylor]: Taking taylor expansion of 0 in y
2.819 * [backup-simplify]: Simplify 0 into 0
2.820 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.820 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.821 * [backup-simplify]: Simplify (- 0) into 0
2.821 * [backup-simplify]: Simplify 0 into 0
2.821 * [backup-simplify]: Simplify 0 into 0
2.821 * [backup-simplify]: Simplify 0 into 0
2.822 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.823 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.824 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
2.824 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
2.825 * [backup-simplify]: Simplify (- 0) into 0
2.825 * [backup-simplify]: Simplify (+ 0 0) into 0
2.825 * [taylor]: Taking taylor expansion of 0 in y
2.825 * [backup-simplify]: Simplify 0 into 0
2.826 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.827 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.828 * [backup-simplify]: Simplify (- 0) into 0
2.828 * [backup-simplify]: Simplify 0 into 0
2.828 * [backup-simplify]: Simplify 0 into 0
2.828 * [backup-simplify]: Simplify 0 into 0
2.828 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
2.829 * * * [progress]: simplifying candidates
2.829 * [simplify]: Simplifying:
  (/ (exp (* x x)) (exp (* y y)))
  (log (- (* x x) (* y y)))
  (exp (- (* x x) (* y y)))
  (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y))))
  (cbrt (- (* x x) (* y y)))
  (* (* (- (* x x) (* y y)) (- (* x x) (* y y))) (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (- (pow (* x x) 3) (pow (* y y) 3))
  (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y))))
  (- (* y y))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (+ (* x x) (* y y))
  (+ x y)
  (- x y)
  (- (* y y))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
2.830 * * [simplify]: iteration 0: 33 enodes
2.840 * * [simplify]: iteration 1: 111 enodes
2.914 * * [simplify]: iteration 2: 589 enodes
3.157 * * [simplify]: iteration complete: 5000 enodes
3.157 * * [simplify]: Extracting #0: cost 14 inf + 0
3.158 * * [simplify]: Extracting #1: cost 378 inf + 0
3.170 * * [simplify]: Extracting #2: cost 1741 inf + 421
3.181 * * [simplify]: Extracting #3: cost 1092 inf + 8480
3.192 * * [simplify]: Extracting #4: cost 185 inf + 14419
3.202 * * [simplify]: Extracting #5: cost 22 inf + 15490
3.211 * * [simplify]: Extracting #6: cost 0 inf + 15618
3.223 * [simplify]: Simplified to:
  (pow (exp (+ x y)) (- x y))
  (log (* (+ x y) (- x y)))
  (pow (exp (+ x y)) (- x y))
  (* (cbrt (* (+ x y) (- x y))) (cbrt (* (+ x y) (- x y))))
  (cbrt (* (+ x y) (- x y)))
  (pow (* (+ x y) (- x y)) 3)
  (sqrt (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (- (pow x 6) (pow y 6))
  (+ (* y (+ (* y (* x x)) (pow y 3))) (pow x 4))
  (* (- y) y)
  (- (pow x 4) (pow y 4))
  (+ (* x x) (* y y))
  (+ x y)
  (- x y)
  (* (- y) y)
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
3.223 * * * [progress]: adding candidates to table
3.299 * * [progress]: iteration 2 / 4
3.299 * * * [progress]: picking best candidate
3.304 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
3.304 * * * [progress]: localizing error
3.315 * * * [progress]: generating rewritten candidates
3.315 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.372 * * * [progress]: generating series expansions
3.372 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.372 * [backup-simplify]: Simplify (* (+ x y) (- x y)) into (* (+ x y) (- x y))
3.372 * [approximate]: Taking taylor expansion of (* (+ x y) (- x y)) in (x y) around 0
3.372 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
3.372 * [taylor]: Taking taylor expansion of (+ x y) in y
3.372 * [taylor]: Taking taylor expansion of x in y
3.372 * [backup-simplify]: Simplify x into x
3.372 * [taylor]: Taking taylor expansion of y in y
3.372 * [backup-simplify]: Simplify 0 into 0
3.372 * [backup-simplify]: Simplify 1 into 1
3.372 * [taylor]: Taking taylor expansion of (- x y) in y
3.372 * [taylor]: Taking taylor expansion of x in y
3.372 * [backup-simplify]: Simplify x into x
3.372 * [taylor]: Taking taylor expansion of y in y
3.372 * [backup-simplify]: Simplify 0 into 0
3.373 * [backup-simplify]: Simplify 1 into 1
3.373 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
3.373 * [taylor]: Taking taylor expansion of (+ x y) in x
3.373 * [taylor]: Taking taylor expansion of x in x
3.373 * [backup-simplify]: Simplify 0 into 0
3.373 * [backup-simplify]: Simplify 1 into 1
3.373 * [taylor]: Taking taylor expansion of y in x
3.373 * [backup-simplify]: Simplify y into y
3.373 * [taylor]: Taking taylor expansion of (- x y) in x
3.373 * [taylor]: Taking taylor expansion of x in x
3.373 * [backup-simplify]: Simplify 0 into 0
3.373 * [backup-simplify]: Simplify 1 into 1
3.373 * [taylor]: Taking taylor expansion of y in x
3.373 * [backup-simplify]: Simplify y into y
3.373 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
3.373 * [taylor]: Taking taylor expansion of (+ x y) in x
3.373 * [taylor]: Taking taylor expansion of x in x
3.373 * [backup-simplify]: Simplify 0 into 0
3.373 * [backup-simplify]: Simplify 1 into 1
3.373 * [taylor]: Taking taylor expansion of y in x
3.373 * [backup-simplify]: Simplify y into y
3.373 * [taylor]: Taking taylor expansion of (- x y) in x
3.373 * [taylor]: Taking taylor expansion of x in x
3.373 * [backup-simplify]: Simplify 0 into 0
3.373 * [backup-simplify]: Simplify 1 into 1
3.373 * [taylor]: Taking taylor expansion of y in x
3.373 * [backup-simplify]: Simplify y into y
3.373 * [backup-simplify]: Simplify (+ 0 y) into y
3.373 * [backup-simplify]: Simplify (- y) into (- y)
3.373 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
3.373 * [backup-simplify]: Simplify (* y (- y)) into (* -1 (pow y 2))
3.374 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
3.374 * [taylor]: Taking taylor expansion of -1 in y
3.374 * [backup-simplify]: Simplify -1 into -1
3.374 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.374 * [taylor]: Taking taylor expansion of y in y
3.374 * [backup-simplify]: Simplify 0 into 0
3.374 * [backup-simplify]: Simplify 1 into 1
3.374 * [backup-simplify]: Simplify (- 0) into 0
3.375 * [backup-simplify]: Simplify (+ 1 0) into 1
3.375 * [backup-simplify]: Simplify (+ 1 0) into 1
3.375 * [backup-simplify]: Simplify (+ (* y 1) (* 1 (- y))) into 0
3.375 * [taylor]: Taking taylor expansion of 0 in y
3.375 * [backup-simplify]: Simplify 0 into 0
3.375 * [backup-simplify]: Simplify 0 into 0
3.376 * [backup-simplify]: Simplify (- 0) into 0
3.376 * [backup-simplify]: Simplify (+ 0 0) into 0
3.377 * [backup-simplify]: Simplify (+ 0 0) into 0
3.377 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 1) (* 0 (- y)))) into 1
3.377 * [taylor]: Taking taylor expansion of 1 in y
3.377 * [backup-simplify]: Simplify 1 into 1
3.377 * [backup-simplify]: Simplify 1 into 1
3.377 * [backup-simplify]: Simplify 0 into 0
3.378 * [backup-simplify]: Simplify (* 1 1) into 1
3.378 * [backup-simplify]: Simplify (* -1 1) into -1
3.378 * [backup-simplify]: Simplify -1 into -1
3.378 * [backup-simplify]: Simplify (- 0) into 0
3.379 * [backup-simplify]: Simplify (+ 0 0) into 0
3.379 * [backup-simplify]: Simplify (+ 0 0) into 0
3.380 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 0) (+ (* 0 1) (* 0 (- y))))) into 0
3.380 * [taylor]: Taking taylor expansion of 0 in y
3.380 * [backup-simplify]: Simplify 0 into 0
3.380 * [backup-simplify]: Simplify 0 into 0
3.380 * [backup-simplify]: Simplify 0 into 0
3.380 * [backup-simplify]: Simplify 0 into 0
3.381 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.382 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 1)) into 0
3.382 * [backup-simplify]: Simplify 0 into 0
3.382 * [backup-simplify]: Simplify (- 0) into 0
3.383 * [backup-simplify]: Simplify (+ 0 0) into 0
3.383 * [backup-simplify]: Simplify (+ 0 0) into 0
3.384 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 (- y)))))) into 0
3.384 * [taylor]: Taking taylor expansion of 0 in y
3.384 * [backup-simplify]: Simplify 0 into 0
3.384 * [backup-simplify]: Simplify 0 into 0
3.384 * [backup-simplify]: Simplify 0 into 0
3.385 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
3.385 * [backup-simplify]: Simplify (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) into (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y)))
3.385 * [approximate]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in (x y) around 0
3.385 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in y
3.385 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
3.385 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.385 * [taylor]: Taking taylor expansion of x in y
3.385 * [backup-simplify]: Simplify x into x
3.385 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.385 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.385 * [taylor]: Taking taylor expansion of y in y
3.385 * [backup-simplify]: Simplify 0 into 0
3.385 * [backup-simplify]: Simplify 1 into 1
3.386 * [backup-simplify]: Simplify (/ 1 1) into 1
3.386 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
3.386 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.386 * [taylor]: Taking taylor expansion of x in y
3.386 * [backup-simplify]: Simplify x into x
3.386 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.386 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.386 * [taylor]: Taking taylor expansion of y in y
3.387 * [backup-simplify]: Simplify 0 into 0
3.387 * [backup-simplify]: Simplify 1 into 1
3.387 * [backup-simplify]: Simplify (/ 1 1) into 1
3.387 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in x
3.387 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
3.387 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.387 * [taylor]: Taking taylor expansion of x in x
3.387 * [backup-simplify]: Simplify 0 into 0
3.387 * [backup-simplify]: Simplify 1 into 1
3.388 * [backup-simplify]: Simplify (/ 1 1) into 1
3.388 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.388 * [taylor]: Taking taylor expansion of y in x
3.388 * [backup-simplify]: Simplify y into y
3.388 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.388 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
3.388 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.388 * [taylor]: Taking taylor expansion of x in x
3.388 * [backup-simplify]: Simplify 0 into 0
3.388 * [backup-simplify]: Simplify 1 into 1
3.388 * [backup-simplify]: Simplify (/ 1 1) into 1
3.388 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.388 * [taylor]: Taking taylor expansion of y in x
3.388 * [backup-simplify]: Simplify y into y
3.388 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.388 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (- (/ 1 x) (/ 1 y))) in x
3.388 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
3.389 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.389 * [taylor]: Taking taylor expansion of x in x
3.389 * [backup-simplify]: Simplify 0 into 0
3.389 * [backup-simplify]: Simplify 1 into 1
3.389 * [backup-simplify]: Simplify (/ 1 1) into 1
3.389 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.389 * [taylor]: Taking taylor expansion of y in x
3.389 * [backup-simplify]: Simplify y into y
3.389 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.389 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
3.389 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.389 * [taylor]: Taking taylor expansion of x in x
3.389 * [backup-simplify]: Simplify 0 into 0
3.389 * [backup-simplify]: Simplify 1 into 1
3.390 * [backup-simplify]: Simplify (/ 1 1) into 1
3.390 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.390 * [taylor]: Taking taylor expansion of y in x
3.390 * [backup-simplify]: Simplify y into y
3.390 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.391 * [backup-simplify]: Simplify (+ 1 0) into 1
3.391 * [backup-simplify]: Simplify (+ 1 0) into 1
3.391 * [backup-simplify]: Simplify (* 1 1) into 1
3.391 * [taylor]: Taking taylor expansion of 1 in y
3.391 * [backup-simplify]: Simplify 1 into 1
3.392 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.392 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
3.392 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
3.393 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.394 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
3.394 * [backup-simplify]: Simplify (+ (* 1 (- (/ 1 y))) (* (/ 1 y) 1)) into 0
3.394 * [taylor]: Taking taylor expansion of 0 in y
3.394 * [backup-simplify]: Simplify 0 into 0
3.395 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.395 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.395 * [backup-simplify]: Simplify (- 0) into 0
3.395 * [backup-simplify]: Simplify (+ 0 0) into 0
3.396 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.396 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.396 * [backup-simplify]: Simplify (+ 0 0) into 0
3.397 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) (- (/ 1 y))) (* 0 1))) into (- (/ 1 (pow y 2)))
3.397 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
3.397 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.397 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.397 * [taylor]: Taking taylor expansion of y in y
3.397 * [backup-simplify]: Simplify 0 into 0
3.397 * [backup-simplify]: Simplify 1 into 1
3.397 * [backup-simplify]: Simplify (* 1 1) into 1
3.398 * [backup-simplify]: Simplify (/ 1 1) into 1
3.398 * [backup-simplify]: Simplify (- 1) into -1
3.398 * [backup-simplify]: Simplify -1 into -1
3.398 * [backup-simplify]: Simplify 1 into 1
3.398 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.399 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.399 * [backup-simplify]: Simplify (- 0) into 0
3.399 * [backup-simplify]: Simplify (+ 0 0) into 0
3.400 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.400 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.400 * [backup-simplify]: Simplify (+ 0 0) into 0
3.401 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
3.401 * [taylor]: Taking taylor expansion of 0 in y
3.401 * [backup-simplify]: Simplify 0 into 0
3.401 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.402 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.402 * [backup-simplify]: Simplify (- 0) into 0
3.402 * [backup-simplify]: Simplify 0 into 0
3.402 * [backup-simplify]: Simplify 0 into 0
3.402 * [backup-simplify]: Simplify 0 into 0
3.403 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.403 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.403 * [backup-simplify]: Simplify (- 0) into 0
3.404 * [backup-simplify]: Simplify (+ 0 0) into 0
3.404 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.404 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.405 * [backup-simplify]: Simplify (+ 0 0) into 0
3.406 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
3.406 * [taylor]: Taking taylor expansion of 0 in y
3.406 * [backup-simplify]: Simplify 0 into 0
3.406 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.407 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.407 * [backup-simplify]: Simplify (- 0) into 0
3.407 * [backup-simplify]: Simplify 0 into 0
3.407 * [backup-simplify]: Simplify 0 into 0
3.407 * [backup-simplify]: Simplify 0 into 0
3.408 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
3.408 * [backup-simplify]: Simplify (* (+ (/ 1 (- x)) (/ 1 (- y))) (- (/ 1 (- x)) (/ 1 (- y)))) into (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))))
3.408 * [approximate]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in (x y) around 0
3.408 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in y
3.408 * [taylor]: Taking taylor expansion of -1 in y
3.408 * [backup-simplify]: Simplify -1 into -1
3.408 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))) in y
3.408 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
3.408 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.408 * [taylor]: Taking taylor expansion of y in y
3.408 * [backup-simplify]: Simplify 0 into 0
3.408 * [backup-simplify]: Simplify 1 into 1
3.408 * [backup-simplify]: Simplify (/ 1 1) into 1
3.408 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.408 * [taylor]: Taking taylor expansion of x in y
3.408 * [backup-simplify]: Simplify x into x
3.408 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.408 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
3.408 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.408 * [taylor]: Taking taylor expansion of x in y
3.409 * [backup-simplify]: Simplify x into x
3.409 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
3.409 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.409 * [taylor]: Taking taylor expansion of y in y
3.409 * [backup-simplify]: Simplify 0 into 0
3.409 * [backup-simplify]: Simplify 1 into 1
3.409 * [backup-simplify]: Simplify (/ 1 1) into 1
3.409 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in x
3.409 * [taylor]: Taking taylor expansion of -1 in x
3.409 * [backup-simplify]: Simplify -1 into -1
3.409 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))) in x
3.409 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
3.409 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.409 * [taylor]: Taking taylor expansion of y in x
3.409 * [backup-simplify]: Simplify y into y
3.409 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.409 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.409 * [taylor]: Taking taylor expansion of x in x
3.409 * [backup-simplify]: Simplify 0 into 0
3.409 * [backup-simplify]: Simplify 1 into 1
3.409 * [backup-simplify]: Simplify (/ 1 1) into 1
3.409 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
3.409 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.409 * [taylor]: Taking taylor expansion of x in x
3.410 * [backup-simplify]: Simplify 0 into 0
3.410 * [backup-simplify]: Simplify 1 into 1
3.410 * [backup-simplify]: Simplify (/ 1 1) into 1
3.410 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.410 * [taylor]: Taking taylor expansion of y in x
3.410 * [backup-simplify]: Simplify y into y
3.410 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.410 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y)))) in x
3.410 * [taylor]: Taking taylor expansion of -1 in x
3.410 * [backup-simplify]: Simplify -1 into -1
3.410 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (+ (/ 1 x) (/ 1 y))) in x
3.410 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
3.410 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.410 * [taylor]: Taking taylor expansion of y in x
3.410 * [backup-simplify]: Simplify y into y
3.410 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.410 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.410 * [taylor]: Taking taylor expansion of x in x
3.410 * [backup-simplify]: Simplify 0 into 0
3.410 * [backup-simplify]: Simplify 1 into 1
3.410 * [backup-simplify]: Simplify (/ 1 1) into 1
3.410 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
3.410 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.410 * [taylor]: Taking taylor expansion of x in x
3.410 * [backup-simplify]: Simplify 0 into 0
3.410 * [backup-simplify]: Simplify 1 into 1
3.411 * [backup-simplify]: Simplify (/ 1 1) into 1
3.411 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.411 * [taylor]: Taking taylor expansion of y in x
3.411 * [backup-simplify]: Simplify y into y
3.411 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
3.411 * [backup-simplify]: Simplify (- 1) into -1
3.411 * [backup-simplify]: Simplify (+ 0 -1) into -1
3.412 * [backup-simplify]: Simplify (+ 1 0) into 1
3.412 * [backup-simplify]: Simplify (* -1 1) into -1
3.412 * [backup-simplify]: Simplify (* -1 -1) into 1
3.412 * [taylor]: Taking taylor expansion of 1 in y
3.412 * [backup-simplify]: Simplify 1 into 1
3.413 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.413 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y)
3.413 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.414 * [backup-simplify]: Simplify (- 0) into 0
3.414 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
3.414 * [backup-simplify]: Simplify (+ (* -1 (/ 1 y)) (* (/ 1 y) 1)) into 0
3.414 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 -1)) into 0
3.414 * [taylor]: Taking taylor expansion of 0 in y
3.414 * [backup-simplify]: Simplify 0 into 0
3.415 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.415 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.415 * [backup-simplify]: Simplify (+ 0 0) into 0
3.415 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
3.416 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.416 * [backup-simplify]: Simplify (- 0) into 0
3.416 * [backup-simplify]: Simplify (+ 0 0) into 0
3.417 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) (/ 1 y)) (* 0 1))) into (/ 1 (pow y 2))
3.418 * [backup-simplify]: Simplify (+ (* -1 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1))) into (- (/ 1 (pow y 2)))
3.418 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
3.418 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.418 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.418 * [taylor]: Taking taylor expansion of y in y
3.418 * [backup-simplify]: Simplify 0 into 0
3.418 * [backup-simplify]: Simplify 1 into 1
3.418 * [backup-simplify]: Simplify (* 1 1) into 1
3.419 * [backup-simplify]: Simplify (/ 1 1) into 1
3.419 * [backup-simplify]: Simplify (- 1) into -1
3.419 * [backup-simplify]: Simplify -1 into -1
3.419 * [backup-simplify]: Simplify 1 into 1
3.419 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.420 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.420 * [backup-simplify]: Simplify (+ 0 0) into 0
3.420 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.421 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.421 * [backup-simplify]: Simplify (- 0) into 0
3.421 * [backup-simplify]: Simplify (+ 0 0) into 0
3.422 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 (/ 1 y)) (* 0 1)))) into 0
3.423 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1)))) into 0
3.423 * [taylor]: Taking taylor expansion of 0 in y
3.423 * [backup-simplify]: Simplify 0 into 0
3.423 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.424 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.424 * [backup-simplify]: Simplify (- 0) into 0
3.424 * [backup-simplify]: Simplify 0 into 0
3.424 * [backup-simplify]: Simplify 0 into 0
3.424 * [backup-simplify]: Simplify 0 into 0
3.425 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.425 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.425 * [backup-simplify]: Simplify (+ 0 0) into 0
3.425 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
3.426 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.426 * [backup-simplify]: Simplify (- 0) into 0
3.426 * [backup-simplify]: Simplify (+ 0 0) into 0
3.427 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 1))))) into 0
3.428 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1))))) into 0
3.428 * [taylor]: Taking taylor expansion of 0 in y
3.428 * [backup-simplify]: Simplify 0 into 0
3.429 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.430 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.430 * [backup-simplify]: Simplify (- 0) into 0
3.430 * [backup-simplify]: Simplify 0 into 0
3.430 * [backup-simplify]: Simplify 0 into 0
3.430 * [backup-simplify]: Simplify 0 into 0
3.430 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
3.430 * * * [progress]: simplifying candidates
3.431 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
  (+ (log (+ x y)) (log (- x y)))
  (log (* (+ x y) (- x y)))
  (exp (* (+ x y) (- x y)))
  (* (* (* (+ x y) (+ x y)) (+ x y)) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (* (+ x y) (- x y))) (cbrt (* (+ x y) (- x y))))
  (cbrt (* (+ x y) (- x y)))
  (* (* (* (+ x y) (- x y)) (* (+ x y) (- x y))) (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (* (+ (pow x 3) (pow y 3)) (- (pow x 3) (pow y 3)))
  (* (+ (* x x) (- (* y y) (* x y))) (+ (* x x) (+ (* y y) (* x y))))
  (* (+ (pow x 3) (pow y 3)) (- (* x x) (* y y)))
  (* (+ (* x x) (- (* y y) (* x y))) (+ x y))
  (* (- (* x x) (* y y)) (- (pow x 3) (pow y 3)))
  (* (- x y) (+ (* x x) (+ (* y y) (* x y))))
  (* (- (* x x) (* y y)) (- (* x x) (* y y)))
  (* (- x y) (+ x y))
  (* (sqrt (+ x y)) (sqrt (- x y)))
  (* (sqrt (+ x y)) (sqrt (- x y)))
  (* (+ x y) x)
  (* (+ x y) (- y))
  (* (+ x y) x)
  (* (+ x y) (- y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* (+ x y) (* (cbrt (- x y)) (cbrt (- x y))))
  (* (+ x y) (sqrt (- x y)))
  (* (+ x y) 1)
  (* (+ x y) (+ (sqrt x) (sqrt y)))
  (* (+ x y) 1)
  (* (cbrt (+ x y)) (- x y))
  (* (sqrt (+ x y)) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- (pow x 3) (pow y 3)))
  (* (+ x y) (- (* x x) (* y y)))
  (* (+ (pow x 3) (pow y 3)) (- x y))
  (* (- (* x x) (* y y)) (- x y))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
3.431 * * [simplify]: iteration 0: 70 enodes
3.444 * * [simplify]: iteration 1: 213 enodes
3.597 * * [simplify]: iteration 2: 1544 enodes
4.227 * * [simplify]: iteration complete: 5002 enodes
4.227 * * [simplify]: Extracting #0: cost 27 inf + 0
4.230 * * [simplify]: Extracting #1: cost 1029 inf + 0
4.239 * * [simplify]: Extracting #2: cost 1939 inf + 604
4.254 * * [simplify]: Extracting #3: cost 1359 inf + 10661
4.272 * * [simplify]: Extracting #4: cost 117 inf + 22533
4.280 * * [simplify]: Extracting #5: cost 35 inf + 23072
4.289 * * [simplify]: Extracting #6: cost 24 inf + 23141
4.299 * * [simplify]: Extracting #7: cost 5 inf + 23215
4.313 * * [simplify]: Extracting #8: cost 0 inf + 23240
4.324 * [simplify]: Simplified to:
  (* (+ x y) (- x y))
  (log (* (+ x y) (- x y)))
  (log (* (+ x y) (- x y)))
  (pow (exp (+ x y)) (- x y))
  (pow (* (+ x y) (- x y)) 3)
  (* (cbrt (* (+ x y) (- x y))) (cbrt (* (+ x y) (- x y))))
  (cbrt (* (+ x y) (- x y)))
  (pow (* (+ x y) (- x y)) 3)
  (sqrt (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (* (- (pow x 3) (pow y 3)) (+ (pow y 3) (pow x 3)))
  (* (+ (* y y) (* x (+ x y))) (+ (* x x) (* y (- y x))))
  (* (* (+ x y) (- x y)) (+ (pow y 3) (pow x 3)))
  (* (+ x y) (+ (* x x) (* y (- y x))))
  (* (* (+ x y) (- x y)) (- (pow x 3) (pow y 3)))
  (* (- x y) (+ (* y y) (* x (+ x y))))
  (* (- x y) (* (* (+ x y) (+ x y)) (- x y)))
  (* (+ x y) (- x y))
  (* (sqrt (- x y)) (sqrt (+ x y)))
  (* (sqrt (- x y)) (sqrt (+ x y)))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* (* (+ x y) (cbrt (- x y))) (cbrt (- x y)))
  (* (sqrt (- x y)) (+ x y))
  (+ x y)
  (* (+ x y) (+ (sqrt x) (sqrt y)))
  (+ x y)
  (* (- x y) (cbrt (+ x y)))
  (* (sqrt (+ x y)) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- (pow x 3) (pow y 3)))
  (* (* (+ x y) (+ x y)) (- x y))
  (* (- x y) (+ (pow y 3) (pow x 3)))
  (* (* (+ x y) (- x y)) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
4.324 * * * [progress]: adding candidates to table
4.454 * [progress]: [Phase 3 of 3] Extracting.
4.454 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
4.454 * * * [regime-changes]: Trying 5 branch expressions: ((* y y) (* x x) (- (* x x) (* y y)) y x)
4.455 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
4.505 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
4.540 * * * * [regimes]: Trying to branch on (- (* x x) (* y y)) from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
4.566 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
4.595 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (- (* x x) (* y y)))>)
4.623 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
4.623 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
4.623 * * [simplify]: iteration 0: 5 enodes
4.624 * * [simplify]: iteration 1: 7 enodes
4.624 * * [simplify]: iteration complete: 7 enodes
4.624 * * [simplify]: Extracting #0: cost 1 inf + 0
4.624 * * [simplify]: Extracting #1: cost 3 inf + 0
4.624 * * [simplify]: Extracting #2: cost 5 inf + 0
4.624 * * [simplify]: Extracting #3: cost 3 inf + 2
4.624 * * [simplify]: Extracting #4: cost 0 inf + 15
4.624 * [simplify]: Simplified to:
  (* (+ y x) (- x y))
6.047 * [regime-testing]: Baseline error score: 0.0012501562695336917
6.057 * [regime-testing]: Oracle error score: 0.0005000625078134767
6.076 * [regime-testing]: End program error score: 0.0012501562695336917