15.387 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.037 * * * [progress]: [2/2] Setting up program.
0.039 * [progress]: [Phase 2 of 3] Improving.
0.039 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (- (* x x) (* y y)))>
0.040 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.040 * * [simplify]: iteration 0: 5 enodes
0.041 * * [simplify]: iteration 1: 10 enodes
0.043 * * [simplify]: iteration 2: 17 enodes
0.045 * * [simplify]: iteration 3: 32 enodes
0.058 * * [simplify]: iteration 4: 57 enodes
0.071 * * [simplify]: iteration 5: 128 enodes
0.106 * * [simplify]: iteration 6: 201 enodes
0.195 * * [simplify]: iteration 7: 367 enodes
0.492 * * [simplify]: iteration 8: 1179 enodes
2.355 * * [simplify]: iteration 9: 4084 enodes
4.470 * * [simplify]: iteration complete: 5002 enodes
4.471 * * [simplify]: Extracting #0: cost 1 inf + 0
4.471 * * [simplify]: Extracting #1: cost 166 inf + 0
4.476 * * [simplify]: Extracting #2: cost 895 inf + 2
4.485 * * [simplify]: Extracting #3: cost 702 inf + 29891
4.518 * * [simplify]: Extracting #4: cost 180 inf + 115226
4.589 * * [simplify]: Extracting #5: cost 4 inf + 156981
4.641 * * [simplify]: Extracting #6: cost 0 inf + 157867
4.693 * [simplify]: Simplified to:
  (* (- x y) (+ y x))
4.694 * * [progress]: iteration 1 / 4
4.694 * * * [progress]: picking best candidate
4.696 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
4.696 * * * [progress]: localizing error
4.704 * * * [progress]: generating rewritten candidates
4.704 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
4.712 * * * [progress]: generating series expansions
4.712 * * * * [progress]: [ 1 / 1 ] generating series at (2)
4.712 * [backup-simplify]: Simplify (- (* x x) (* y y)) into (- (pow x 2) (pow y 2))
4.712 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
4.712 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
4.712 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.712 * [taylor]: Taking taylor expansion of x in y
4.712 * [backup-simplify]: Simplify x into x
4.712 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.712 * [taylor]: Taking taylor expansion of y in y
4.712 * [backup-simplify]: Simplify 0 into 0
4.712 * [backup-simplify]: Simplify 1 into 1
4.712 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
4.712 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.712 * [taylor]: Taking taylor expansion of x in x
4.712 * [backup-simplify]: Simplify 0 into 0
4.712 * [backup-simplify]: Simplify 1 into 1
4.712 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.712 * [taylor]: Taking taylor expansion of y in x
4.712 * [backup-simplify]: Simplify y into y
4.712 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
4.712 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.712 * [taylor]: Taking taylor expansion of x in x
4.712 * [backup-simplify]: Simplify 0 into 0
4.712 * [backup-simplify]: Simplify 1 into 1
4.712 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.712 * [taylor]: Taking taylor expansion of y in x
4.712 * [backup-simplify]: Simplify y into y
4.712 * [backup-simplify]: Simplify (* y y) into (pow y 2)
4.712 * [backup-simplify]: Simplify (- (pow y 2)) into (- (pow y 2))
4.712 * [backup-simplify]: Simplify (+ 0 (- (pow y 2))) into (- (pow y 2))
4.713 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
4.713 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.713 * [taylor]: Taking taylor expansion of y in y
4.713 * [backup-simplify]: Simplify 0 into 0
4.713 * [backup-simplify]: Simplify 1 into 1
4.713 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
4.713 * [backup-simplify]: Simplify (- 0) into 0
4.713 * [backup-simplify]: Simplify (+ 0 0) into 0
4.713 * [taylor]: Taking taylor expansion of 0 in y
4.713 * [backup-simplify]: Simplify 0 into 0
4.714 * [backup-simplify]: Simplify 0 into 0
4.714 * [backup-simplify]: Simplify (* 1 1) into 1
4.714 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
4.714 * [backup-simplify]: Simplify (- 0) into 0
4.715 * [backup-simplify]: Simplify (+ 1 0) into 1
4.715 * [taylor]: Taking taylor expansion of 1 in y
4.715 * [backup-simplify]: Simplify 1 into 1
4.715 * [backup-simplify]: Simplify 1 into 1
4.715 * [backup-simplify]: Simplify 0 into 0
4.715 * [backup-simplify]: Simplify (* 1 1) into 1
4.715 * [backup-simplify]: Simplify (- 1) into -1
4.715 * [backup-simplify]: Simplify -1 into -1
4.716 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.717 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
4.717 * [backup-simplify]: Simplify (- 0) into 0
4.718 * [backup-simplify]: Simplify (+ 0 0) into 0
4.718 * [taylor]: Taking taylor expansion of 0 in y
4.718 * [backup-simplify]: Simplify 0 into 0
4.718 * [backup-simplify]: Simplify 0 into 0
4.718 * [backup-simplify]: Simplify 0 into 0
4.718 * [backup-simplify]: Simplify 0 into 0
4.719 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.719 * [backup-simplify]: Simplify (- 0) into 0
4.719 * [backup-simplify]: Simplify 0 into 0
4.720 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.721 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
4.721 * [backup-simplify]: Simplify (- 0) into 0
4.722 * [backup-simplify]: Simplify (+ 0 0) into 0
4.722 * [taylor]: Taking taylor expansion of 0 in y
4.722 * [backup-simplify]: Simplify 0 into 0
4.722 * [backup-simplify]: Simplify 0 into 0
4.722 * [backup-simplify]: Simplify 0 into 0
4.722 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
4.722 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
4.722 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
4.722 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
4.723 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.723 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.723 * [taylor]: Taking taylor expansion of x in y
4.723 * [backup-simplify]: Simplify x into x
4.723 * [backup-simplify]: Simplify (* x x) into (pow x 2)
4.723 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
4.723 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.723 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.723 * [taylor]: Taking taylor expansion of y in y
4.723 * [backup-simplify]: Simplify 0 into 0
4.723 * [backup-simplify]: Simplify 1 into 1
4.723 * [backup-simplify]: Simplify (* 1 1) into 1
4.724 * [backup-simplify]: Simplify (/ 1 1) into 1
4.724 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
4.724 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.724 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.724 * [taylor]: Taking taylor expansion of x in x
4.724 * [backup-simplify]: Simplify 0 into 0
4.724 * [backup-simplify]: Simplify 1 into 1
4.724 * [backup-simplify]: Simplify (* 1 1) into 1
4.725 * [backup-simplify]: Simplify (/ 1 1) into 1
4.725 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.725 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.725 * [taylor]: Taking taylor expansion of y in x
4.725 * [backup-simplify]: Simplify y into y
4.725 * [backup-simplify]: Simplify (* y y) into (pow y 2)
4.725 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
4.725 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
4.725 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.725 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.725 * [taylor]: Taking taylor expansion of x in x
4.725 * [backup-simplify]: Simplify 0 into 0
4.725 * [backup-simplify]: Simplify 1 into 1
4.725 * [backup-simplify]: Simplify (* 1 1) into 1
4.726 * [backup-simplify]: Simplify (/ 1 1) into 1
4.726 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.726 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.726 * [taylor]: Taking taylor expansion of y in x
4.726 * [backup-simplify]: Simplify y into y
4.726 * [backup-simplify]: Simplify (* y y) into (pow y 2)
4.726 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
4.727 * [backup-simplify]: Simplify (+ 1 0) into 1
4.727 * [taylor]: Taking taylor expansion of 1 in y
4.727 * [backup-simplify]: Simplify 1 into 1
4.727 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.728 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.729 * [backup-simplify]: Simplify (+ 0 0) into 0
4.729 * [taylor]: Taking taylor expansion of 0 in y
4.729 * [backup-simplify]: Simplify 0 into 0
4.730 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.731 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.731 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
4.731 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
4.731 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
4.731 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.731 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.731 * [taylor]: Taking taylor expansion of y in y
4.731 * [backup-simplify]: Simplify 0 into 0
4.731 * [backup-simplify]: Simplify 1 into 1
4.732 * [backup-simplify]: Simplify (* 1 1) into 1
4.732 * [backup-simplify]: Simplify (/ 1 1) into 1
4.733 * [backup-simplify]: Simplify (- 1) into -1
4.733 * [backup-simplify]: Simplify -1 into -1
4.733 * [backup-simplify]: Simplify 1 into 1
4.734 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.735 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.735 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
4.735 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
4.736 * [backup-simplify]: Simplify (- 0) into 0
4.736 * [backup-simplify]: Simplify (+ 0 0) into 0
4.737 * [taylor]: Taking taylor expansion of 0 in y
4.737 * [backup-simplify]: Simplify 0 into 0
4.737 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.738 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.738 * [backup-simplify]: Simplify (- 0) into 0
4.739 * [backup-simplify]: Simplify 0 into 0
4.739 * [backup-simplify]: Simplify 0 into 0
4.739 * [backup-simplify]: Simplify 0 into 0
4.744 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.745 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.746 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
4.746 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
4.747 * [backup-simplify]: Simplify (- 0) into 0
4.747 * [backup-simplify]: Simplify (+ 0 0) into 0
4.747 * [taylor]: Taking taylor expansion of 0 in y
4.747 * [backup-simplify]: Simplify 0 into 0
4.748 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.749 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.750 * [backup-simplify]: Simplify (- 0) into 0
4.750 * [backup-simplify]: Simplify 0 into 0
4.750 * [backup-simplify]: Simplify 0 into 0
4.750 * [backup-simplify]: Simplify 0 into 0
4.750 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
4.750 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y)))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
4.750 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
4.750 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
4.750 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
4.750 * [taylor]: Taking taylor expansion of (pow x 2) in y
4.751 * [taylor]: Taking taylor expansion of x in y
4.751 * [backup-simplify]: Simplify x into x
4.751 * [backup-simplify]: Simplify (* x x) into (pow x 2)
4.751 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
4.751 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.751 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.751 * [taylor]: Taking taylor expansion of y in y
4.751 * [backup-simplify]: Simplify 0 into 0
4.751 * [backup-simplify]: Simplify 1 into 1
4.751 * [backup-simplify]: Simplify (* 1 1) into 1
4.752 * [backup-simplify]: Simplify (/ 1 1) into 1
4.752 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
4.752 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.752 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.752 * [taylor]: Taking taylor expansion of x in x
4.752 * [backup-simplify]: Simplify 0 into 0
4.752 * [backup-simplify]: Simplify 1 into 1
4.752 * [backup-simplify]: Simplify (* 1 1) into 1
4.753 * [backup-simplify]: Simplify (/ 1 1) into 1
4.753 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.753 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.753 * [taylor]: Taking taylor expansion of y in x
4.753 * [backup-simplify]: Simplify y into y
4.753 * [backup-simplify]: Simplify (* y y) into (pow y 2)
4.753 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
4.753 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
4.753 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.753 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.753 * [taylor]: Taking taylor expansion of x in x
4.753 * [backup-simplify]: Simplify 0 into 0
4.753 * [backup-simplify]: Simplify 1 into 1
4.754 * [backup-simplify]: Simplify (* 1 1) into 1
4.754 * [backup-simplify]: Simplify (/ 1 1) into 1
4.754 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
4.754 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.754 * [taylor]: Taking taylor expansion of y in x
4.754 * [backup-simplify]: Simplify y into y
4.754 * [backup-simplify]: Simplify (* y y) into (pow y 2)
4.754 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
4.755 * [backup-simplify]: Simplify (+ 1 0) into 1
4.755 * [taylor]: Taking taylor expansion of 1 in y
4.755 * [backup-simplify]: Simplify 1 into 1
4.756 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.756 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.757 * [backup-simplify]: Simplify (+ 0 0) into 0
4.757 * [taylor]: Taking taylor expansion of 0 in y
4.757 * [backup-simplify]: Simplify 0 into 0
4.758 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.759 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.759 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
4.759 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
4.759 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
4.759 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
4.759 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.759 * [taylor]: Taking taylor expansion of y in y
4.759 * [backup-simplify]: Simplify 0 into 0
4.759 * [backup-simplify]: Simplify 1 into 1
4.760 * [backup-simplify]: Simplify (* 1 1) into 1
4.760 * [backup-simplify]: Simplify (/ 1 1) into 1
4.761 * [backup-simplify]: Simplify (- 1) into -1
4.761 * [backup-simplify]: Simplify -1 into -1
4.761 * [backup-simplify]: Simplify 1 into 1
4.762 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
4.763 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.763 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
4.763 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
4.763 * [backup-simplify]: Simplify (- 0) into 0
4.764 * [backup-simplify]: Simplify (+ 0 0) into 0
4.764 * [taylor]: Taking taylor expansion of 0 in y
4.764 * [backup-simplify]: Simplify 0 into 0
4.765 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
4.765 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.766 * [backup-simplify]: Simplify (- 0) into 0
4.766 * [backup-simplify]: Simplify 0 into 0
4.766 * [backup-simplify]: Simplify 0 into 0
4.766 * [backup-simplify]: Simplify 0 into 0
4.767 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
4.768 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.769 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
4.769 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
4.769 * [backup-simplify]: Simplify (- 0) into 0
4.770 * [backup-simplify]: Simplify (+ 0 0) into 0
4.770 * [taylor]: Taking taylor expansion of 0 in y
4.770 * [backup-simplify]: Simplify 0 into 0
4.771 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
4.772 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
4.772 * [backup-simplify]: Simplify (- 0) into 0
4.772 * [backup-simplify]: Simplify 0 into 0
4.772 * [backup-simplify]: Simplify 0 into 0
4.772 * [backup-simplify]: Simplify 0 into 0
4.773 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
4.773 * * * [progress]: simplifying candidates
4.773 * * * * [progress]: [ 1 / 17 ] simplifiying candidate #<alt (λ (x y) (log (/ (exp (* x x)) (exp (* y y)))))>
4.773 * * * * [progress]: [ 2 / 17 ] simplifiying candidate #<alt (λ (x y) (pow (- (* x x) (* y y)) 1))>
4.773 * * * * [progress]: [ 3 / 17 ] simplifiying candidate #<alt (λ (x y) (exp (log (- (* x x) (* y y)))))>
4.773 * * * * [progress]: [ 4 / 17 ] simplifiying candidate #<alt (λ (x y) (log (exp (- (* x x) (* y y)))))>
4.773 * * * * [progress]: [ 5 / 17 ] simplifiying candidate #<alt (λ (x y) (* (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))) (cbrt (- (* x x) (* y y)))))>
4.773 * * * * [progress]: [ 6 / 17 ] simplifiying candidate #<alt (λ (x y) (cbrt (* (* (- (* x x) (* y y)) (- (* x x) (* y y))) (- (* x x) (* y y)))))>
4.773 * * * * [progress]: [ 7 / 17 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (- (* x x) (* y y))) (sqrt (- (* x x) (* y y)))))>
4.773 * * * * [progress]: [ 8 / 17 ] simplifiying candidate #<alt (λ (x y) (/ (- (pow (* x x) 3) (pow (* y y) 3)) (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y))))))>
4.773 * * * * [progress]: [ 9 / 17 ] simplifiying candidate #<alt (λ (x y) (+ (* x x) (- (* y y))))>
4.774 * * * * [progress]: [ 10 / 17 ] simplifiying candidate #<alt (λ (x y) (* 1 (- (* x x) (* y y))))>
4.774 * * * * [progress]: [ 11 / 17 ] simplifiying candidate #<alt (λ (x y) (/ (- (* (* x x) (* x x)) (* (* y y) (* y y))) (+ (* x x) (* y y))))>
4.774 * * * * [progress]: [ 12 / 17 ] simplifiying candidate #<alt (λ (x y) (* (+ x y) (- x y)))>
4.774 * * * * [progress]: [ 13 / 17 ] simplifiying candidate #<alt (λ (x y) (+ (* x x) (- (* y y))))>
4.774 * * * * [progress]: [ 14 / 17 ] simplifiying candidate #<alt (λ (x y) (posit16->real (real->posit16 (- (* x x) (* y y)))))>
4.774 * * * * [progress]: [ 15 / 17 ] simplifiying candidate #<alt (λ (x y) (- (pow x 2) (pow y 2)))>
4.774 * * * * [progress]: [ 16 / 17 ] simplifiying candidate #<alt (λ (x y) (- (pow x 2) (pow y 2)))>
4.774 * * * * [progress]: [ 17 / 17 ] simplifiying candidate #<alt (λ (x y) (- (pow x 2) (pow y 2)))>
4.774 * [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))
  (real->posit16 (- (* x x) (* y y)))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
4.775 * * [simplify]: iteration 0: 34 enodes
4.789 * * [simplify]: iteration 1: 98 enodes
4.815 * * [simplify]: iteration 2: 304 enodes
5.023 * * [simplify]: iteration 3: 1391 enodes
5.613 * * [simplify]: iteration complete: 5006 enodes
5.613 * * [simplify]: Extracting #0: cost 15 inf + 0
5.614 * * [simplify]: Extracting #1: cost 275 inf + 0
5.617 * * [simplify]: Extracting #2: cost 1218 inf + 1090
5.626 * * [simplify]: Extracting #3: cost 1638 inf + 31820
5.665 * * [simplify]: Extracting #4: cost 676 inf + 238208
5.731 * * [simplify]: Extracting #5: cost 145 inf + 385625
5.829 * * [simplify]: Extracting #6: cost 19 inf + 414969
5.968 * * [simplify]: Extracting #7: cost 0 inf + 421074
6.068 * [simplify]: Simplified to:
  (exp (- (* x x) (* y y)))
  (log (* (+ x y) (- x y)))
  (exp (- (* x x) (* y y)))
  (* (cbrt (* (+ x y) (- x y))) (cbrt (* (+ x y) (- x y))))
  (cbrt (* (+ x y) (- x y)))
  (* (* (* (+ x y) (- x y)) (* (+ x y) (- x y))) (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (* (- (* (* x x) x) (* (* y y) y)) (+ (* (* x x) x) (* (* y y) y)))
  (+ (* (* x x) (+ (* x x) (* y y))) (* (* y y) (* y y)))
  (* (- y) y)
  (* (+ (* x x) (* y y)) (- (* x x) (* y y)))
  (+ (* y y) (* x x))
  (+ y x)
  (- x y)
  (* (- y) y)
  (real->posit16 (* (+ x y) (- x y)))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
6.069 * * * [progress]: adding candidates to table
6.145 * * [progress]: iteration 2 / 4
6.145 * * * [progress]: picking best candidate
6.149 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
6.149 * * * [progress]: localizing error
6.166 * * * [progress]: generating rewritten candidates
6.166 * * * [progress]: generating series expansions
6.166 * * * [progress]: simplifying candidates
6.167 * [simplify]: Simplifying:
  
6.167 * * [simplify]: iteration 0: 0 enodes
6.167 * * [simplify]: iteration complete: 0 enodes
6.167 * * [simplify]: Extracting #0: cost 0 inf + 0
6.167 * [simplify]: Simplified to:
  
6.167 * * * [progress]: adding candidates to table
6.168 * [progress]: [Phase 3 of 3] Extracting.
6.171 * [simplify]: Simplifying:
  (* (+ x y) (- x y))
6.172 * * [simplify]: iteration 0: 5 enodes
6.172 * * [simplify]: iteration 1: 7 enodes
6.172 * * [simplify]: iteration complete: 7 enodes
6.172 * * [simplify]: Extracting #0: cost 1 inf + 0
6.172 * * [simplify]: Extracting #1: cost 3 inf + 0
6.172 * * [simplify]: Extracting #2: cost 5 inf + 0
6.172 * * [simplify]: Extracting #3: cost 3 inf + 2
6.172 * * [simplify]: Extracting #4: cost 0 inf + 208
6.172 * [simplify]: Simplified to:
  (* (+ y x) (- x y))
7.604 * [regime-testing]: Baseline error score: 0.0005000625078134767
7.609 * [regime-testing]: Oracle error score: 0.0005000625078134767
7.609 * [regime-testing]: End program error score: 0.0005000625078134767