29.458 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying:
  (/ (- x y) (* (* x 2.0) y))
0.017 * * [simplify]: iteration 0: 7 enodes
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10.507 * * [simplify]: iteration 367: 4980 enodes
10.542 * * [simplify]: iteration 368: 4993 enodes
10.571 * * [simplify]: iteration complete: 5000 enodes
10.571 * * [simplify]: Extracting #0: cost 1 inf + 0
10.572 * * [simplify]: Extracting #1: cost 18 inf + 0
10.572 * * [simplify]: Extracting #2: cost 44 inf + 3
10.573 * * [simplify]: Extracting #3: cost 11 inf + 2275
10.574 * * [simplify]: Extracting #4: cost 0 inf + 2858
10.576 * [simplify]: Simplified to:
  (/ (/ (- x y) x) (* 2.0 y))
10.577 * * [progress]: iteration 1 / 4
10.577 * * * [progress]: picking best candidate
10.582 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))>
10.582 * * * [progress]: localizing error
10.597 * * * [progress]: generating rewritten candidates
10.597 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
10.638 * * * [progress]: generating series expansions
10.638 * * * * [progress]: [ 1 / 1 ] generating series at (2)
10.638 * [backup-simplify]: Simplify (/ (- x y) (* (* x 2.0) y)) into (* 0.5 (/ (- x y) (* x y)))
10.638 * [approximate]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in (x y) around 0
10.638 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in y
10.638 * [taylor]: Taking taylor expansion of 0.5 in y
10.638 * [backup-simplify]: Simplify 0.5 into 0.5
10.639 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in y
10.639 * [taylor]: Taking taylor expansion of (- x y) in y
10.639 * [taylor]: Taking taylor expansion of x in y
10.639 * [backup-simplify]: Simplify x into x
10.639 * [taylor]: Taking taylor expansion of y in y
10.639 * [backup-simplify]: Simplify 0 into 0
10.639 * [backup-simplify]: Simplify 1 into 1
10.639 * [taylor]: Taking taylor expansion of (* x y) in y
10.639 * [taylor]: Taking taylor expansion of x in y
10.639 * [backup-simplify]: Simplify x into x
10.639 * [taylor]: Taking taylor expansion of y in y
10.639 * [backup-simplify]: Simplify 0 into 0
10.639 * [backup-simplify]: Simplify 1 into 1
10.639 * [backup-simplify]: Simplify (- 0) into 0
10.639 * [backup-simplify]: Simplify (+ x 0) into x
10.640 * [backup-simplify]: Simplify (* x 0) into 0
10.640 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
10.640 * [backup-simplify]: Simplify (/ x x) into 1
10.640 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
10.640 * [taylor]: Taking taylor expansion of 0.5 in x
10.640 * [backup-simplify]: Simplify 0.5 into 0.5
10.640 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
10.640 * [taylor]: Taking taylor expansion of (- x y) in x
10.640 * [taylor]: Taking taylor expansion of x in x
10.640 * [backup-simplify]: Simplify 0 into 0
10.640 * [backup-simplify]: Simplify 1 into 1
10.640 * [taylor]: Taking taylor expansion of y in x
10.640 * [backup-simplify]: Simplify y into y
10.640 * [taylor]: Taking taylor expansion of (* x y) in x
10.640 * [taylor]: Taking taylor expansion of x in x
10.640 * [backup-simplify]: Simplify 0 into 0
10.640 * [backup-simplify]: Simplify 1 into 1
10.640 * [taylor]: Taking taylor expansion of y in x
10.640 * [backup-simplify]: Simplify y into y
10.640 * [backup-simplify]: Simplify (- y) into (- y)
10.641 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
10.641 * [backup-simplify]: Simplify (* 0 y) into 0
10.641 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
10.641 * [backup-simplify]: Simplify (/ (- y) y) into -1
10.641 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
10.641 * [taylor]: Taking taylor expansion of 0.5 in x
10.641 * [backup-simplify]: Simplify 0.5 into 0.5
10.641 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
10.641 * [taylor]: Taking taylor expansion of (- x y) in x
10.641 * [taylor]: Taking taylor expansion of x in x
10.641 * [backup-simplify]: Simplify 0 into 0
10.641 * [backup-simplify]: Simplify 1 into 1
10.641 * [taylor]: Taking taylor expansion of y in x
10.641 * [backup-simplify]: Simplify y into y
10.641 * [taylor]: Taking taylor expansion of (* x y) in x
10.641 * [taylor]: Taking taylor expansion of x in x
10.641 * [backup-simplify]: Simplify 0 into 0
10.641 * [backup-simplify]: Simplify 1 into 1
10.641 * [taylor]: Taking taylor expansion of y in x
10.641 * [backup-simplify]: Simplify y into y
10.642 * [backup-simplify]: Simplify (- y) into (- y)
10.642 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
10.642 * [backup-simplify]: Simplify (* 0 y) into 0
10.642 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
10.642 * [backup-simplify]: Simplify (/ (- y) y) into -1
10.643 * [backup-simplify]: Simplify (* 0.5 -1) into -0.5
10.643 * [taylor]: Taking taylor expansion of -0.5 in y
10.643 * [backup-simplify]: Simplify -0.5 into -0.5
10.643 * [backup-simplify]: Simplify (- 0) into 0
10.643 * [backup-simplify]: Simplify (+ 1 0) into 1
10.644 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
10.644 * [backup-simplify]: Simplify (- (/ 1 y) (+ (* -1 (/ 0 y)))) into (/ 1 y)
10.645 * [backup-simplify]: Simplify (+ (* 0.5 (/ 1 y)) (* 0 -1)) into (* 0.5 (/ 1 y))
10.645 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
10.645 * [taylor]: Taking taylor expansion of 0.5 in y
10.645 * [backup-simplify]: Simplify 0.5 into 0.5
10.645 * [taylor]: Taking taylor expansion of (/ 1 y) in y
10.645 * [taylor]: Taking taylor expansion of y in y
10.645 * [backup-simplify]: Simplify 0 into 0
10.645 * [backup-simplify]: Simplify 1 into 1
10.645 * [backup-simplify]: Simplify (/ 1 1) into 1
10.646 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
10.646 * [backup-simplify]: Simplify 0.5 into 0.5
10.646 * [backup-simplify]: Simplify -0.5 into -0.5
10.646 * [backup-simplify]: Simplify (- 0) into 0
10.647 * [backup-simplify]: Simplify (+ 0 0) into 0
10.648 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
10.648 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* -1 (/ 0 y)) (* (/ 1 y) (/ 0 y)))) into 0
10.649 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 (/ 1 y)) (* 0 -1))) into 0
10.649 * [taylor]: Taking taylor expansion of 0 in y
10.649 * [backup-simplify]: Simplify 0 into 0
10.649 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
10.650 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
10.650 * [backup-simplify]: Simplify 0 into 0
10.650 * [backup-simplify]: Simplify 0 into 0
10.650 * [backup-simplify]: Simplify (- 0) into 0
10.651 * [backup-simplify]: Simplify (+ 0 0) into 0
10.652 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
10.652 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* -1 (/ 0 y)) (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.653 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1)))) into 0
10.654 * [taylor]: Taking taylor expansion of 0 in y
10.654 * [backup-simplify]: Simplify 0 into 0
10.654 * [backup-simplify]: Simplify 0 into 0
10.654 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.655 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
10.655 * [backup-simplify]: Simplify 0 into 0
10.655 * [backup-simplify]: Simplify 0 into 0
10.656 * [backup-simplify]: Simplify (- 0) into 0
10.656 * [backup-simplify]: Simplify (+ 0 0) into 0
10.658 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
10.658 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* -1 (/ 0 y)) (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.659 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1))))) into 0
10.659 * [taylor]: Taking taylor expansion of 0 in y
10.659 * [backup-simplify]: Simplify 0 into 0
10.659 * [backup-simplify]: Simplify 0 into 0
10.659 * [backup-simplify]: Simplify (+ (* -0.5 (* 1 (/ 1 x))) (* 0.5 (* (/ 1 y) 1))) into (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
10.659 * [backup-simplify]: Simplify (/ (- (/ 1 x) (/ 1 y)) (* (* (/ 1 x) 2.0) (/ 1 y))) into (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y)))))
10.659 * [approximate]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y))))) in (x y) around 0
10.659 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y))))) in y
10.659 * [taylor]: Taking taylor expansion of 0.5 in y
10.659 * [backup-simplify]: Simplify 0.5 into 0.5
10.659 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 x) (/ 1 y)))) in y
10.659 * [taylor]: Taking taylor expansion of x in y
10.659 * [backup-simplify]: Simplify x into x
10.659 * [taylor]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 y))) in y
10.659 * [taylor]: Taking taylor expansion of y in y
10.659 * [backup-simplify]: Simplify 0 into 0
10.659 * [backup-simplify]: Simplify 1 into 1
10.659 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
10.659 * [taylor]: Taking taylor expansion of (/ 1 x) in y
10.659 * [taylor]: Taking taylor expansion of x in y
10.659 * [backup-simplify]: Simplify x into x
10.660 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
10.660 * [taylor]: Taking taylor expansion of (/ 1 y) in y
10.660 * [taylor]: Taking taylor expansion of y in y
10.660 * [backup-simplify]: Simplify 0 into 0
10.660 * [backup-simplify]: Simplify 1 into 1
10.660 * [backup-simplify]: Simplify (/ 1 1) into 1
10.660 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y))))) in x
10.660 * [taylor]: Taking taylor expansion of 0.5 in x
10.660 * [backup-simplify]: Simplify 0.5 into 0.5
10.660 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 x) (/ 1 y)))) in x
10.660 * [taylor]: Taking taylor expansion of x in x
10.660 * [backup-simplify]: Simplify 0 into 0
10.660 * [backup-simplify]: Simplify 1 into 1
10.660 * [taylor]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 y))) in x
10.660 * [taylor]: Taking taylor expansion of y in x
10.660 * [backup-simplify]: Simplify y into y
10.660 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
10.660 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.660 * [taylor]: Taking taylor expansion of x in x
10.660 * [backup-simplify]: Simplify 0 into 0
10.660 * [backup-simplify]: Simplify 1 into 1
10.660 * [backup-simplify]: Simplify (/ 1 1) into 1
10.660 * [taylor]: Taking taylor expansion of (/ 1 y) in x
10.660 * [taylor]: Taking taylor expansion of y in x
10.660 * [backup-simplify]: Simplify y into y
10.660 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
10.660 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y))))) in x
10.660 * [taylor]: Taking taylor expansion of 0.5 in x
10.660 * [backup-simplify]: Simplify 0.5 into 0.5
10.660 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 x) (/ 1 y)))) in x
10.660 * [taylor]: Taking taylor expansion of x in x
10.661 * [backup-simplify]: Simplify 0 into 0
10.661 * [backup-simplify]: Simplify 1 into 1
10.661 * [taylor]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 y))) in x
10.661 * [taylor]: Taking taylor expansion of y in x
10.661 * [backup-simplify]: Simplify y into y
10.661 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
10.661 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.661 * [taylor]: Taking taylor expansion of x in x
10.661 * [backup-simplify]: Simplify 0 into 0
10.661 * [backup-simplify]: Simplify 1 into 1
10.661 * [backup-simplify]: Simplify (/ 1 1) into 1
10.661 * [taylor]: Taking taylor expansion of (/ 1 y) in x
10.661 * [taylor]: Taking taylor expansion of y in x
10.661 * [backup-simplify]: Simplify y into y
10.661 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
10.661 * [backup-simplify]: Simplify (+ 1 0) into 1
10.661 * [backup-simplify]: Simplify (* y 1) into y
10.661 * [backup-simplify]: Simplify (* 0 y) into 0
10.662 * [backup-simplify]: Simplify (* 0.5 0) into 0
10.662 * [taylor]: Taking taylor expansion of 0 in y
10.662 * [backup-simplify]: Simplify 0 into 0
10.662 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
10.662 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
10.662 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
10.663 * [backup-simplify]: Simplify (+ (* y (- (/ 1 y))) (* 0 1)) into (- 1)
10.663 * [backup-simplify]: Simplify (+ (* 0 (- 1)) (* 1 y)) into y
10.664 * [backup-simplify]: Simplify (+ (* 0.5 y) (* 0 0)) into (* 0.5 y)
10.664 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
10.664 * [taylor]: Taking taylor expansion of 0.5 in y
10.664 * [backup-simplify]: Simplify 0.5 into 0.5
10.664 * [taylor]: Taking taylor expansion of y in y
10.664 * [backup-simplify]: Simplify 0 into 0
10.664 * [backup-simplify]: Simplify 1 into 1
10.664 * [backup-simplify]: Simplify 0 into 0
10.664 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.664 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
10.665 * [backup-simplify]: Simplify (- 0) into 0
10.665 * [backup-simplify]: Simplify (+ 0 0) into 0
10.665 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 (- (/ 1 y))) (* 0 1))) into 0
10.666 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 1)) (* 0 y))) into (- 1)
10.666 * [backup-simplify]: Simplify (+ (* 0.5 (- 1)) (+ (* 0 y) (* 0 0))) into (- 0.5)
10.666 * [taylor]: Taking taylor expansion of (- 0.5) in y
10.666 * [taylor]: Taking taylor expansion of 0.5 in y
10.666 * [backup-simplify]: Simplify 0.5 into 0.5
10.667 * [backup-simplify]: Simplify (* 0.5 0) into 0
10.667 * [backup-simplify]: Simplify 0 into 0
10.667 * [backup-simplify]: Simplify 0 into 0
10.667 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.667 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.668 * [backup-simplify]: Simplify (- 0) into 0
10.668 * [backup-simplify]: Simplify (+ 0 0) into 0
10.668 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
10.669 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 1)) (* 0 y)))) into 0
10.670 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 (- 1)) (+ (* 0 y) (* 0 0)))) into 0
10.670 * [taylor]: Taking taylor expansion of 0 in y
10.670 * [backup-simplify]: Simplify 0 into 0
10.670 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
10.671 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
10.671 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
10.671 * [backup-simplify]: Simplify 0.5 into 0.5
10.672 * [backup-simplify]: Simplify 0 into 0
10.672 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.672 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.672 * [backup-simplify]: Simplify (- 0) into 0
10.673 * [backup-simplify]: Simplify (+ 0 0) into 0
10.673 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
10.674 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 1)) (* 0 y))))) into 0
10.675 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 (- 1)) (+ (* 0 y) (* 0 0))))) into 0
10.675 * [taylor]: Taking taylor expansion of 0 in y
10.675 * [backup-simplify]: Simplify 0 into 0
10.676 * [backup-simplify]: Simplify 0 into 0
10.676 * [backup-simplify]: Simplify (- 0) into 0
10.676 * [backup-simplify]: Simplify 0 into 0
10.676 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
10.676 * [backup-simplify]: Simplify 0 into 0
10.676 * [backup-simplify]: Simplify 0 into 0
10.677 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.677 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.677 * [backup-simplify]: Simplify (- 0) into 0
10.678 * [backup-simplify]: Simplify (+ 0 0) into 0
10.679 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))))) into 0
10.680 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 1)) (* 0 y)))))) into 0
10.681 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 1)) (+ (* 0 y) (* 0 0)))))) into 0
10.681 * [taylor]: Taking taylor expansion of 0 in y
10.681 * [backup-simplify]: Simplify 0 into 0
10.681 * [backup-simplify]: Simplify 0 into 0
10.681 * [backup-simplify]: Simplify (+ (* 0.5 (* (/ 1 y) 1)) (* (- 0.5) (* 1 (/ 1 x)))) into (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
10.682 * [backup-simplify]: Simplify (/ (- (/ 1 (- x)) (/ 1 (- y))) (* (* (/ 1 (- x)) 2.0) (/ 1 (- y)))) into (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* x y)))
10.682 * [approximate]: Taking taylor expansion of (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* x y))) in (x y) around 0
10.682 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* x y))) in y
10.682 * [taylor]: Taking taylor expansion of 0.5 in y
10.682 * [backup-simplify]: Simplify 0.5 into 0.5
10.682 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (* x y)) in y
10.682 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
10.682 * [taylor]: Taking taylor expansion of (/ 1 y) in y
10.682 * [taylor]: Taking taylor expansion of y in y
10.682 * [backup-simplify]: Simplify 0 into 0
10.682 * [backup-simplify]: Simplify 1 into 1
10.682 * [backup-simplify]: Simplify (/ 1 1) into 1
10.682 * [taylor]: Taking taylor expansion of (/ 1 x) in y
10.682 * [taylor]: Taking taylor expansion of x in y
10.682 * [backup-simplify]: Simplify x into x
10.682 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
10.682 * [taylor]: Taking taylor expansion of (* x y) in y
10.682 * [taylor]: Taking taylor expansion of x in y
10.682 * [backup-simplify]: Simplify x into x
10.682 * [taylor]: Taking taylor expansion of y in y
10.682 * [backup-simplify]: Simplify 0 into 0
10.682 * [backup-simplify]: Simplify 1 into 1
10.682 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* x y))) in x
10.682 * [taylor]: Taking taylor expansion of 0.5 in x
10.682 * [backup-simplify]: Simplify 0.5 into 0.5
10.682 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (* x y)) in x
10.682 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
10.682 * [taylor]: Taking taylor expansion of (/ 1 y) in x
10.682 * [taylor]: Taking taylor expansion of y in x
10.682 * [backup-simplify]: Simplify y into y
10.682 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
10.682 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.682 * [taylor]: Taking taylor expansion of x in x
10.682 * [backup-simplify]: Simplify 0 into 0
10.682 * [backup-simplify]: Simplify 1 into 1
10.683 * [backup-simplify]: Simplify (/ 1 1) into 1
10.683 * [taylor]: Taking taylor expansion of (* x y) in x
10.683 * [taylor]: Taking taylor expansion of x in x
10.683 * [backup-simplify]: Simplify 0 into 0
10.683 * [backup-simplify]: Simplify 1 into 1
10.683 * [taylor]: Taking taylor expansion of y in x
10.683 * [backup-simplify]: Simplify y into y
10.683 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* x y))) in x
10.683 * [taylor]: Taking taylor expansion of 0.5 in x
10.683 * [backup-simplify]: Simplify 0.5 into 0.5
10.683 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (* x y)) in x
10.683 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
10.683 * [taylor]: Taking taylor expansion of (/ 1 y) in x
10.683 * [taylor]: Taking taylor expansion of y in x
10.683 * [backup-simplify]: Simplify y into y
10.683 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
10.683 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.683 * [taylor]: Taking taylor expansion of x in x
10.683 * [backup-simplify]: Simplify 0 into 0
10.683 * [backup-simplify]: Simplify 1 into 1
10.683 * [backup-simplify]: Simplify (/ 1 1) into 1
10.683 * [taylor]: Taking taylor expansion of (* x y) in x
10.683 * [taylor]: Taking taylor expansion of x in x
10.683 * [backup-simplify]: Simplify 0 into 0
10.683 * [backup-simplify]: Simplify 1 into 1
10.683 * [taylor]: Taking taylor expansion of y in x
10.683 * [backup-simplify]: Simplify y into y
10.684 * [backup-simplify]: Simplify (- 1) into -1
10.684 * [backup-simplify]: Simplify (+ 0 -1) into -1
10.684 * [backup-simplify]: Simplify (* 0 y) into 0
10.684 * [backup-simplify]: Simplify (* -1 0) into 0
10.684 * [backup-simplify]: Simplify (* 0.5 0) into 0
10.684 * [taylor]: Taking taylor expansion of 0 in y
10.684 * [backup-simplify]: Simplify 0 into 0
10.685 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
10.685 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
10.685 * [backup-simplify]: Simplify (- 0) into 0
10.685 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
10.686 * [backup-simplify]: Simplify (+ (* -1 y) (* (/ 1 y) 0)) into (- y)
10.686 * [backup-simplify]: Simplify (+ (* 0.5 (- y)) (* 0 0)) into (- (* 0.5 y))
10.686 * [taylor]: Taking taylor expansion of (- (* 0.5 y)) in y
10.686 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
10.686 * [taylor]: Taking taylor expansion of 0.5 in y
10.686 * [backup-simplify]: Simplify 0.5 into 0.5
10.686 * [taylor]: Taking taylor expansion of y in y
10.686 * [backup-simplify]: Simplify 0 into 0
10.686 * [backup-simplify]: Simplify 1 into 1
10.686 * [backup-simplify]: Simplify 0 into 0
10.686 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
10.687 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
10.687 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.687 * [backup-simplify]: Simplify (- 0) into 0
10.688 * [backup-simplify]: Simplify (+ 0 0) into 0
10.688 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) y) (* 0 0))) into 1
10.689 * [backup-simplify]: Simplify (+ (* 0.5 1) (+ (* 0 (- y)) (* 0 0))) into 0.5
10.689 * [taylor]: Taking taylor expansion of 0.5 in y
10.689 * [backup-simplify]: Simplify 0.5 into 0.5
10.689 * [backup-simplify]: Simplify (* 0.5 0) into 0
10.689 * [backup-simplify]: Simplify (- 0) into 0
10.689 * [backup-simplify]: Simplify 0 into 0
10.689 * [backup-simplify]: Simplify 0 into 0
10.690 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
10.690 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.691 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.691 * [backup-simplify]: Simplify (- 0) into 0
10.691 * [backup-simplify]: Simplify (+ 0 0) into 0
10.692 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 y) (* 0 0)))) into 0
10.692 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0)))) into 0
10.692 * [taylor]: Taking taylor expansion of 0 in y
10.692 * [backup-simplify]: Simplify 0 into 0
10.692 * [backup-simplify]: Simplify 0.5 into 0.5
10.693 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
10.693 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
10.694 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
10.694 * [backup-simplify]: Simplify 0 into 0
10.695 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
10.695 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.696 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.696 * [backup-simplify]: Simplify (- 0) into 0
10.696 * [backup-simplify]: Simplify (+ 0 0) into 0
10.697 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 y) (* 0 0))))) into 0
10.698 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0))))) into 0
10.698 * [taylor]: Taking taylor expansion of 0 in y
10.698 * [backup-simplify]: Simplify 0 into 0
10.698 * [backup-simplify]: Simplify 0 into 0
10.698 * [backup-simplify]: Simplify 0 into 0
10.699 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
10.699 * [backup-simplify]: Simplify (- 0) into 0
10.699 * [backup-simplify]: Simplify 0 into 0
10.699 * [backup-simplify]: Simplify 0 into 0
10.700 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
10.700 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
10.701 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.701 * [backup-simplify]: Simplify (- 0) into 0
10.701 * [backup-simplify]: Simplify (+ 0 0) into 0
10.702 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 y) (* 0 0)))))) into 0
10.703 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0)))))) into 0
10.703 * [taylor]: Taking taylor expansion of 0 in y
10.703 * [backup-simplify]: Simplify 0 into 0
10.703 * [backup-simplify]: Simplify 0 into 0
10.704 * [backup-simplify]: Simplify (+ (* (- 0.5) (* (/ 1 (- y)) 1)) (* 0.5 (* 1 (/ 1 (- x))))) into (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
10.704 * * * [progress]: simplifying candidates
10.704 * [simplify]: Simplifying:
  (- (log (- x y)) (+ (+ (log x) (log 2.0)) (log y)))
  (- (log (- x y)) (+ (log (* x 2.0)) (log y)))
  (- (log (- x y)) (log (* (* x 2.0) y)))
  (log (/ (- x y) (* (* x 2.0) y)))
  (exp (/ (- x y) (* (* x 2.0) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* y y) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* y y) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x 2.0) y) (* (* x 2.0) y)) (* (* x 2.0) y)))
  (* (cbrt (/ (- x y) (* (* x 2.0) y))) (cbrt (/ (- x y) (* (* x 2.0) y))))
  (cbrt (/ (- x y) (* (* x 2.0) y)))
  (* (* (/ (- x y) (* (* x 2.0) y)) (/ (- x y) (* (* x 2.0) y))) (/ (- x y) (* (* x 2.0) y)))
  (sqrt (/ (- x y) (* (* x 2.0) y)))
  (sqrt (/ (- x y) (* (* x 2.0) y)))
  (- (- x y))
  (- (* (* x 2.0) y))
  (/ x (* (* x 2.0) y))
  (/ y (* (* x 2.0) y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* x 2.0))
  (/ (cbrt (- x y)) y)
  (/ (sqrt (- x y)) (* x 2.0))
  (/ (sqrt (- x y)) y)
  (/ 1 (* x 2.0))
  (/ (- x y) y)
  (/ (+ (sqrt x) (sqrt y)) (* x 2.0))
  (/ (- (sqrt x) (sqrt y)) y)
  (/ 1 (* x 2.0))
  (/ (- x y) y)
  (/ 1 (* (* x 2.0) y))
  (/ (* (* x 2.0) y) (- x y))
  (/ (- x y) (* x 2.0))
  (/ (* (* x 2.0) y) (cbrt (- x y)))
  (/ (* (* x 2.0) y) (sqrt (- x y)))
  (/ (* (* x 2.0) y) (- x y))
  (/ (* (* x 2.0) y) (- (sqrt x) (sqrt y)))
  (/ (* (* x 2.0) y) (- x y))
  (* (* (* x 2.0) y) (+ (* x x) (+ (* y y) (* x y))))
  (* (* (* x 2.0) y) (+ x y))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
10.705 * * [simplify]: iteration 0: 82 enodes
10.720 * * [simplify]: iteration 1: 233 enodes
10.794 * * [simplify]: iteration 2: 971 enodes
11.369 * * [simplify]: iteration complete: 5001 enodes
11.369 * * [simplify]: Extracting #0: cost 26 inf + 0
11.370 * * [simplify]: Extracting #1: cost 608 inf + 0
11.382 * * [simplify]: Extracting #2: cost 1507 inf + 612
11.400 * * [simplify]: Extracting #3: cost 1613 inf + 49455
11.466 * * [simplify]: Extracting #4: cost 380 inf + 250976
11.575 * * [simplify]: Extracting #5: cost 14 inf + 328156
11.677 * * [simplify]: Extracting #6: cost 0 inf + 330064
11.787 * * [simplify]: Extracting #7: cost 0 inf + 329784
11.866 * [simplify]: Simplified to:
  (log (/ (/ (- x y) y) (* 2.0 x)))
  (log (/ (/ (- x y) y) (* 2.0 x)))
  (log (/ (/ (- x y) y) (* 2.0 x)))
  (log (/ (/ (- x y) y) (* 2.0 x)))
  (exp (/ (/ (- x y) y) (* 2.0 x)))
  (* (* (/ (/ (- x y) y) (* 2.0 x)) (/ (/ (- x y) y) (* 2.0 x))) (/ (/ (- x y) y) (* 2.0 x)))
  (* (* (/ (/ (- x y) y) (* 2.0 x)) (/ (/ (- x y) y) (* 2.0 x))) (/ (/ (- x y) y) (* 2.0 x)))
  (* (* (/ (/ (- x y) y) (* 2.0 x)) (/ (/ (- x y) y) (* 2.0 x))) (/ (/ (- x y) y) (* 2.0 x)))
  (* (cbrt (/ (/ (- x y) y) (* 2.0 x))) (cbrt (/ (/ (- x y) y) (* 2.0 x))))
  (cbrt (/ (/ (- x y) y) (* 2.0 x)))
  (* (* (/ (/ (- x y) y) (* 2.0 x)) (/ (/ (- x y) y) (* 2.0 x))) (/ (/ (- x y) y) (* 2.0 x)))
  (sqrt (/ (/ (- x y) y) (* 2.0 x)))
  (sqrt (/ (/ (- x y) y) (* 2.0 x)))
  (+ y (- x))
  (* (* y x) (- 2.0))
  (/ 1 (* 2.0 y))
  (/ (/ 1 2.0) x)
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* 2.0 x))
  (/ (cbrt (- x y)) y)
  (/ (/ (sqrt (- x y)) 2.0) x)
  (/ (sqrt (- x y)) y)
  (/ (/ 1 2.0) x)
  (/ (- x y) y)
  (/ (+ (sqrt y) (sqrt x)) (* 2.0 x))
  (/ (- (sqrt x) (sqrt y)) y)
  (/ (/ 1 2.0) x)
  (/ (- x y) y)
  (/ (/ 1 y) (* 2.0 x))
  (/ (* (* 2.0 y) x) (- x y))
  (/ (/ (- x y) x) 2.0)
  (/ x (/ (cbrt (- x y)) (* 2.0 y)))
  (/ (* (* 2.0 y) x) (sqrt (- x y)))
  (/ (* (* 2.0 y) x) (- x y))
  (/ (* 2.0 x) (/ (- (sqrt x) (sqrt y)) y))
  (/ (* (* 2.0 y) x) (- x y))
  (* (* x y) (* 2.0 (+ (* y (+ x y)) (* x x))))
  (* (* x 2.0) (* y (+ x y)))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
11.868 * * * [progress]: adding candidates to table
12.017 * * [progress]: iteration 2 / 4
12.017 * * * [progress]: picking best candidate
12.020 * * * * [pick]: Picked  #<alt (λ (x y) (- (/ 0.5 y) (/ 0.5 x)))>
12.020 * * * [progress]: localizing error
12.027 * * * [progress]: generating rewritten candidates
12.027 * * * [progress]: generating series expansions
12.027 * * * [progress]: simplifying candidates
12.027 * [simplify]: Simplifying:
  
12.027 * * [simplify]: iteration 0: 0 enodes
12.027 * * [simplify]: iteration complete: 0 enodes
12.028 * * [simplify]: Extracting #0: cost 0 inf + 0
12.028 * [simplify]: Simplified to:
  
12.028 * * * [progress]: adding candidates to table
12.028 * [progress]: [Phase 3 of 3] Extracting.
12.031 * [simplify]: Simplifying:
  (- (/ 0.5 y) (/ 0.5 x))
12.031 * * [simplify]: iteration 0: 6 enodes
12.031 * * [simplify]: iteration complete: 6 enodes
12.031 * * [simplify]: Extracting #0: cost 1 inf + 0
12.032 * * [simplify]: Extracting #1: cost 3 inf + 0
12.032 * * [simplify]: Extracting #2: cost 6 inf + 0
12.032 * * [simplify]: Extracting #3: cost 3 inf + 3
12.032 * * [simplify]: Extracting #4: cost 0 inf + 210
12.032 * [simplify]: Simplified to:
  (- (/ 0.5 y) (/ 0.5 x))
12.927 * [regime-testing]: Baseline error score: 0.014251781472684086
12.936 * [regime-testing]: Oracle error score: 0.014251781472684086
12.936 * [regime-testing]: End program error score: 0.014251781472684086
13.038 * [regime-testing]: Target error score: 0.014251781472684086