55.783 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.028 * * * [progress]: [2/2] Setting up program.
0.029 * [progress]: [Phase 2 of 3] Improving.
0.030 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.030 * * [simplify]: Extracting # 0 : cost  0
0.030 * * [simplify]: Extracting # 1 : cost  0
0.030 * * [simplify]: Extracting # 2 : cost  0
0.030 * * [simplify]: Extracting # 3 : cost  0
0.030 * * [simplify]: Extracting # 4 : cost  0
0.030 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.031 * * [simplify]: Extracting # 0 : cost  0
0.031 * * [simplify]: Extracting # 1 : cost  0
0.031 * * [simplify]: Extracting # 2 : cost  0
0.031 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.033 * * [simplify]: Extracting # 0 : cost  0
0.033 * * [simplify]: Extracting # 1 : cost  0
0.033 * * [simplify]: Extracting # 2 : cost  0
0.033 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: iteration  3 :  35  enodes  (cost  7 )
0.047 * * [simplify]: Extracting # 0 : cost  0
0.047 * * [simplify]: Extracting # 1 : cost  0
0.048 * * [simplify]: Extracting # 2 : cost  0
0.048 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.075 * * [simplify]: Extracting # 0 : cost  0
0.075 * * [simplify]: Extracting # 1 : cost  0
0.076 * * [simplify]: Extracting # 2 : cost  0
0.076 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.150 * * [simplify]: Extracting # 0 : cost  0
0.151 * * [simplify]: Extracting # 1 : cost  0
0.151 * * [simplify]: Extracting # 2 : cost  0
0.151 * * [simplify]: iteration  6 :  271  enodes  (cost  7 )
0.280 * * [simplify]: Extracting # 0 : cost  0
0.280 * * [simplify]: Extracting # 1 : cost  0
0.283 * * [simplify]: Extracting # 2 : cost  0
0.283 * * [simplify]: Extracting # 3 : cost  0
0.284 * * [simplify]: iteration  7 :  514  enodes  (cost  7 )
1.489 * * [simplify]: Extracting # 0 : cost  0
1.493 * * [simplify]: Extracting # 1 : cost  0
1.497 * * [simplify]: Extracting # 2 : cost  0
1.500 * * [simplify]: Extracting # 3 : cost  0
1.504 * * [simplify]: Extracting # 4 : cost  0
1.506 * * [simplify]: iteration  8 :  1901  enodes  (cost  7 )
12.689 * * [simplify]: Extracting # 0 : cost  0
12.713 * * [simplify]: Extracting # 1 : cost  0
12.724 * * [simplify]: Extracting # 2 : cost  0
12.730 * * [simplify]: Extracting # 3 : cost  0
12.736 * * [simplify]: Extracting # 4 : cost  0
12.743 * * [simplify]: iteration done:  5001  enodes  (cost  7 )
12.743 * [simplify]: Simplified to:
  (- (* x x) (* y y))
12.744 * * [progress]: iteration 1 / 4
12.744 * * * [progress]: picking best candidate
12.747 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
12.747 * * * [progress]: localizing error
12.757 * * * [progress]: generating rewritten candidates
12.757 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
12.777 * * * [progress]: generating series expansions
12.777 * * * * [progress]: [ 1 / 1 ] generating series at (2)
12.777 * [backup-simplify]: Simplify (- (* x x) (* y y)) into (- (pow x 2) (pow y 2))
12.777 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
12.777 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
12.777 * [taylor]: Taking taylor expansion of (pow x 2) in y
12.777 * [taylor]: Taking taylor expansion of x in y
12.777 * [backup-simplify]: Simplify x into x
12.777 * [taylor]: Taking taylor expansion of (pow y 2) in y
12.777 * [taylor]: Taking taylor expansion of y in y
12.777 * [backup-simplify]: Simplify 0 into 0
12.777 * [backup-simplify]: Simplify 1 into 1
12.777 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
12.777 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.777 * [taylor]: Taking taylor expansion of x in x
12.778 * [backup-simplify]: Simplify 0 into 0
12.778 * [backup-simplify]: Simplify 1 into 1
12.778 * [taylor]: Taking taylor expansion of (pow y 2) in x
12.778 * [taylor]: Taking taylor expansion of y in x
12.778 * [backup-simplify]: Simplify y into y
12.778 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
12.778 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.778 * [taylor]: Taking taylor expansion of x in x
12.778 * [backup-simplify]: Simplify 0 into 0
12.778 * [backup-simplify]: Simplify 1 into 1
12.778 * [taylor]: Taking taylor expansion of (pow y 2) in x
12.778 * [taylor]: Taking taylor expansion of y in x
12.778 * [backup-simplify]: Simplify y into y
12.778 * [backup-simplify]: Simplify (* y y) into (pow y 2)
12.778 * [backup-simplify]: Simplify (- (pow y 2)) into (- (pow y 2))
12.778 * [backup-simplify]: Simplify (+ 0 (- (pow y 2))) into (- (pow y 2))
12.778 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
12.778 * [taylor]: Taking taylor expansion of (pow y 2) in y
12.779 * [taylor]: Taking taylor expansion of y in y
12.779 * [backup-simplify]: Simplify 0 into 0
12.779 * [backup-simplify]: Simplify 1 into 1
12.779 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
12.779 * [backup-simplify]: Simplify (- 0) into 0
12.780 * [backup-simplify]: Simplify (+ 0 0) into 0
12.780 * [taylor]: Taking taylor expansion of 0 in y
12.780 * [backup-simplify]: Simplify 0 into 0
12.780 * [backup-simplify]: Simplify 0 into 0
12.780 * [backup-simplify]: Simplify (* 1 1) into 1
12.781 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
12.781 * [backup-simplify]: Simplify (- 0) into 0
12.781 * [backup-simplify]: Simplify (+ 1 0) into 1
12.782 * [taylor]: Taking taylor expansion of 1 in y
12.782 * [backup-simplify]: Simplify 1 into 1
12.782 * [backup-simplify]: Simplify 1 into 1
12.782 * [backup-simplify]: Simplify 0 into 0
12.782 * [backup-simplify]: Simplify (* 1 1) into 1
12.782 * [backup-simplify]: Simplify (- 1) into -1
12.782 * [backup-simplify]: Simplify -1 into -1
12.783 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
12.784 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
12.784 * [backup-simplify]: Simplify (- 0) into 0
12.785 * [backup-simplify]: Simplify (+ 0 0) into 0
12.785 * [taylor]: Taking taylor expansion of 0 in y
12.785 * [backup-simplify]: Simplify 0 into 0
12.785 * [backup-simplify]: Simplify 0 into 0
12.785 * [backup-simplify]: Simplify 0 into 0
12.785 * [backup-simplify]: Simplify 0 into 0
12.786 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
12.786 * [backup-simplify]: Simplify (- 0) into 0
12.786 * [backup-simplify]: Simplify 0 into 0
12.787 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
12.788 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
12.788 * [backup-simplify]: Simplify (- 0) into 0
12.789 * [backup-simplify]: Simplify (+ 0 0) into 0
12.789 * [taylor]: Taking taylor expansion of 0 in y
12.789 * [backup-simplify]: Simplify 0 into 0
12.789 * [backup-simplify]: Simplify 0 into 0
12.789 * [backup-simplify]: Simplify 0 into 0
12.789 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
12.790 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
12.790 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
12.790 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
12.790 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
12.790 * [taylor]: Taking taylor expansion of (pow x 2) in y
12.790 * [taylor]: Taking taylor expansion of x in y
12.790 * [backup-simplify]: Simplify x into x
12.790 * [backup-simplify]: Simplify (* x x) into (pow x 2)
12.790 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
12.790 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
12.790 * [taylor]: Taking taylor expansion of (pow y 2) in y
12.790 * [taylor]: Taking taylor expansion of y in y
12.790 * [backup-simplify]: Simplify 0 into 0
12.790 * [backup-simplify]: Simplify 1 into 1
12.791 * [backup-simplify]: Simplify (* 1 1) into 1
12.791 * [backup-simplify]: Simplify (/ 1 1) into 1
12.791 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
12.791 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
12.791 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.791 * [taylor]: Taking taylor expansion of x in x
12.791 * [backup-simplify]: Simplify 0 into 0
12.791 * [backup-simplify]: Simplify 1 into 1
12.792 * [backup-simplify]: Simplify (* 1 1) into 1
12.792 * [backup-simplify]: Simplify (/ 1 1) into 1
12.792 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
12.792 * [taylor]: Taking taylor expansion of (pow y 2) in x
12.792 * [taylor]: Taking taylor expansion of y in x
12.792 * [backup-simplify]: Simplify y into y
12.792 * [backup-simplify]: Simplify (* y y) into (pow y 2)
12.792 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
12.792 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
12.792 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
12.793 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.793 * [taylor]: Taking taylor expansion of x in x
12.793 * [backup-simplify]: Simplify 0 into 0
12.793 * [backup-simplify]: Simplify 1 into 1
12.793 * [backup-simplify]: Simplify (* 1 1) into 1
12.793 * [backup-simplify]: Simplify (/ 1 1) into 1
12.793 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
12.793 * [taylor]: Taking taylor expansion of (pow y 2) in x
12.793 * [taylor]: Taking taylor expansion of y in x
12.793 * [backup-simplify]: Simplify y into y
12.794 * [backup-simplify]: Simplify (* y y) into (pow y 2)
12.794 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
12.794 * [backup-simplify]: Simplify (+ 1 0) into 1
12.794 * [taylor]: Taking taylor expansion of 1 in y
12.794 * [backup-simplify]: Simplify 1 into 1
12.795 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
12.796 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
12.796 * [backup-simplify]: Simplify (+ 0 0) into 0
12.796 * [taylor]: Taking taylor expansion of 0 in y
12.796 * [backup-simplify]: Simplify 0 into 0
12.797 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
12.798 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
12.798 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
12.798 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
12.798 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
12.798 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
12.798 * [taylor]: Taking taylor expansion of (pow y 2) in y
12.798 * [taylor]: Taking taylor expansion of y in y
12.798 * [backup-simplify]: Simplify 0 into 0
12.799 * [backup-simplify]: Simplify 1 into 1
12.799 * [backup-simplify]: Simplify (* 1 1) into 1
12.799 * [backup-simplify]: Simplify (/ 1 1) into 1
12.800 * [backup-simplify]: Simplify (- 1) into -1
12.800 * [backup-simplify]: Simplify -1 into -1
12.800 * [backup-simplify]: Simplify 1 into 1
12.801 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
12.802 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
12.802 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
12.802 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
12.802 * [backup-simplify]: Simplify (- 0) into 0
12.803 * [backup-simplify]: Simplify (+ 0 0) into 0
12.803 * [taylor]: Taking taylor expansion of 0 in y
12.803 * [backup-simplify]: Simplify 0 into 0
12.803 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
12.804 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
12.804 * [backup-simplify]: Simplify (- 0) into 0
12.804 * [backup-simplify]: Simplify 0 into 0
12.804 * [backup-simplify]: Simplify 0 into 0
12.805 * [backup-simplify]: Simplify 0 into 0
12.806 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
12.807 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
12.807 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
12.808 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
12.808 * [backup-simplify]: Simplify (- 0) into 0
12.808 * [backup-simplify]: Simplify (+ 0 0) into 0
12.808 * [taylor]: Taking taylor expansion of 0 in y
12.808 * [backup-simplify]: Simplify 0 into 0
12.810 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
12.811 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
12.811 * [backup-simplify]: Simplify (- 0) into 0
12.811 * [backup-simplify]: Simplify 0 into 0
12.811 * [backup-simplify]: Simplify 0 into 0
12.811 * [backup-simplify]: Simplify 0 into 0
12.812 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
12.812 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y)))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
12.812 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
12.812 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
12.812 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
12.812 * [taylor]: Taking taylor expansion of (pow x 2) in y
12.812 * [taylor]: Taking taylor expansion of x in y
12.812 * [backup-simplify]: Simplify x into x
12.812 * [backup-simplify]: Simplify (* x x) into (pow x 2)
12.812 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
12.812 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
12.812 * [taylor]: Taking taylor expansion of (pow y 2) in y
12.812 * [taylor]: Taking taylor expansion of y in y
12.812 * [backup-simplify]: Simplify 0 into 0
12.812 * [backup-simplify]: Simplify 1 into 1
12.813 * [backup-simplify]: Simplify (* 1 1) into 1
12.813 * [backup-simplify]: Simplify (/ 1 1) into 1
12.813 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
12.813 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
12.813 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.813 * [taylor]: Taking taylor expansion of x in x
12.813 * [backup-simplify]: Simplify 0 into 0
12.813 * [backup-simplify]: Simplify 1 into 1
12.814 * [backup-simplify]: Simplify (* 1 1) into 1
12.814 * [backup-simplify]: Simplify (/ 1 1) into 1
12.814 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
12.814 * [taylor]: Taking taylor expansion of (pow y 2) in x
12.814 * [taylor]: Taking taylor expansion of y in x
12.814 * [backup-simplify]: Simplify y into y
12.814 * [backup-simplify]: Simplify (* y y) into (pow y 2)
12.814 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
12.814 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
12.814 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
12.814 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.814 * [taylor]: Taking taylor expansion of x in x
12.814 * [backup-simplify]: Simplify 0 into 0
12.815 * [backup-simplify]: Simplify 1 into 1
12.815 * [backup-simplify]: Simplify (* 1 1) into 1
12.815 * [backup-simplify]: Simplify (/ 1 1) into 1
12.815 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
12.815 * [taylor]: Taking taylor expansion of (pow y 2) in x
12.815 * [taylor]: Taking taylor expansion of y in x
12.815 * [backup-simplify]: Simplify y into y
12.815 * [backup-simplify]: Simplify (* y y) into (pow y 2)
12.816 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
12.816 * [backup-simplify]: Simplify (+ 1 0) into 1
12.816 * [taylor]: Taking taylor expansion of 1 in y
12.816 * [backup-simplify]: Simplify 1 into 1
12.817 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
12.817 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
12.818 * [backup-simplify]: Simplify (+ 0 0) into 0
12.818 * [taylor]: Taking taylor expansion of 0 in y
12.818 * [backup-simplify]: Simplify 0 into 0
12.819 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
12.820 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
12.820 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
12.820 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
12.820 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
12.820 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
12.820 * [taylor]: Taking taylor expansion of (pow y 2) in y
12.820 * [taylor]: Taking taylor expansion of y in y
12.820 * [backup-simplify]: Simplify 0 into 0
12.820 * [backup-simplify]: Simplify 1 into 1
12.820 * [backup-simplify]: Simplify (* 1 1) into 1
12.821 * [backup-simplify]: Simplify (/ 1 1) into 1
12.821 * [backup-simplify]: Simplify (- 1) into -1
12.821 * [backup-simplify]: Simplify -1 into -1
12.821 * [backup-simplify]: Simplify 1 into 1
12.822 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
12.823 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
12.823 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
12.824 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
12.824 * [backup-simplify]: Simplify (- 0) into 0
12.824 * [backup-simplify]: Simplify (+ 0 0) into 0
12.824 * [taylor]: Taking taylor expansion of 0 in y
12.824 * [backup-simplify]: Simplify 0 into 0
12.825 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
12.826 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
12.826 * [backup-simplify]: Simplify (- 0) into 0
12.826 * [backup-simplify]: Simplify 0 into 0
12.826 * [backup-simplify]: Simplify 0 into 0
12.826 * [backup-simplify]: Simplify 0 into 0
12.827 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
12.828 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
12.829 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
12.829 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
12.830 * [backup-simplify]: Simplify (- 0) into 0
12.830 * [backup-simplify]: Simplify (+ 0 0) into 0
12.830 * [taylor]: Taking taylor expansion of 0 in y
12.830 * [backup-simplify]: Simplify 0 into 0
12.831 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
12.832 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
12.832 * [backup-simplify]: Simplify (- 0) into 0
12.832 * [backup-simplify]: Simplify 0 into 0
12.832 * [backup-simplify]: Simplify 0 into 0
12.832 * [backup-simplify]: Simplify 0 into 0
12.833 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
12.833 * * * [progress]: simplifying candidates
12.834 * [simplify]: Simplifying:
  (fma x x (- (* y y)))
  (fma (- y) y (* y y))
  (expm1 (- (* x x) (* y y)))
  (log1p (- (* x x) (* y y)))
  (- (* y y))
  (/ (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))
12.835 * * [simplify]: Extracting # 0 : cost  0
12.835 * * [simplify]: Extracting # 1 : cost  0
12.835 * * [simplify]: Extracting # 2 : cost  0
12.835 * * [simplify]: Extracting # 3 : cost  0
12.835 * * [simplify]: Extracting # 4 : cost  0
12.835 * * [simplify]: Extracting # 5 : cost  0
12.835 * * [simplify]: iteration  0 :  38  enodes  (cost  214 )
12.860 * * [simplify]: Extracting # 0 : cost  0
12.861 * * [simplify]: Extracting # 1 : cost  0
12.861 * * [simplify]: Extracting # 2 : cost  0
12.861 * * [simplify]: Extracting # 3 : cost  0
12.861 * * [simplify]: Extracting # 4 : cost  0
12.861 * * [simplify]: iteration  1 :  100  enodes  (cost  205 )
12.933 * * [simplify]: Extracting # 0 : cost  0
12.933 * * [simplify]: Extracting # 1 : cost  0
12.934 * * [simplify]: Extracting # 2 : cost  0
12.935 * * [simplify]: Extracting # 3 : cost  0
12.935 * * [simplify]: Extracting # 4 : cost  0
12.936 * * [simplify]: iteration  2 :  291  enodes  (cost  175 )
13.059 * * [simplify]: Extracting # 0 : cost  0
13.060 * * [simplify]: Extracting # 1 : cost  0
13.062 * * [simplify]: Extracting # 2 : cost  0
13.063 * * [simplify]: Extracting # 3 : cost  0
13.065 * * [simplify]: Extracting # 4 : cost  0
13.067 * * [simplify]: iteration  3 :  922  enodes  (cost  175 )
14.234 * * [simplify]: Extracting # 0 : cost  0
14.252 * * [simplify]: Extracting # 1 : cost  0
14.259 * * [simplify]: Extracting # 2 : cost  0
14.266 * * [simplify]: Extracting # 3 : cost  0
14.272 * * [simplify]: Extracting # 4 : cost  0
14.278 * * [simplify]: iteration  4 :  4017  enodes  (cost  170 )
15.808 * * [simplify]: Extracting # 0 : cost  0
15.813 * * [simplify]: Extracting # 1 : cost  0
15.818 * * [simplify]: iteration done:  5000  enodes  (cost  170 )
15.818 * [simplify]: Simplified to:
  (fma x x (- (* y y)))
  0
  (expm1 (- (* x x) (* y y)))
  (log1p (- (* x x) (* y y)))
  (- (* y y))
  (exp (- (* x x) (* 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)))
  (pow (fma x x (- (* y y))) 3)
  (sqrt (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (- (pow x 6) (pow y 6))
  (fma (* y y) (fma x x (pow y 2)) (pow x 4))
  (- (* y y))
  (- (pow x 4) (pow y 4))
  (fma x x (pow y 2))
  (+ x y)
  (- x y)
  (- (* y y))
  (fma x x (- (* y y)))
  (fma x x (- (* y y)))
  (fma x x (- (* y y)))
15.818 * * * [progress]: adding candidates to table
15.859 * * [progress]: iteration 2 / 4
15.859 * * * [progress]: picking best candidate
15.860 * * * * [pick]: Picked  #<alt (λ (x y) (fma x x (- (* y y))))>
15.860 * * * [progress]: localizing error
15.866 * * * [progress]: generating rewritten candidates
15.866 * * * [progress]: generating series expansions
15.866 * * * [progress]: simplifying candidates
15.866 * [simplify]: Simplifying:
  
15.866 * * [simplify]: Extracting # 0 : cost  0
15.867 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
15.867 * * [simplify]: Extracting # 0 : cost  0
15.867 * * [simplify]: iteration done:  0  enodes  (cost  0 )
15.867 * [simplify]: Simplified to:
  
15.867 * * * [progress]: adding candidates to table
15.867 * [progress]: [Phase 3 of 3] Extracting.
15.869 * [simplify]: Simplifying:
  (fma x x (- (* y y)))
15.869 * * [simplify]: Extracting # 0 : cost  0
15.869 * * [simplify]: Extracting # 1 : cost  0
15.869 * * [simplify]: Extracting # 2 : cost  0
15.869 * * [simplify]: Extracting # 3 : cost  0
15.869 * * [simplify]: Extracting # 4 : cost  0
15.869 * * [simplify]: Extracting # 5 : cost  0
15.869 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
15.870 * * [simplify]: Extracting # 0 : cost  0
15.870 * * [simplify]: Extracting # 1 : cost  0
15.870 * * [simplify]: Extracting # 2 : cost  0
15.870 * * [simplify]: iteration  1 :  8  enodes  (cost  7 )
15.870 * * [simplify]: Extracting # 0 : cost  0
15.870 * * [simplify]: iteration done:  8  enodes  (cost  7 )
15.870 * [simplify]: Simplified to:
  (fma x x (- (* y y)))
17.119 * [regime-testing]: End program error score: 0.004573692024093157