2.410 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.028 * * * [progress]: [2/2] Setting up program.
0.034 * [progress]: [Phase 2 of 3] Improving.
0.034 * [simplify]: Simplifying:
  (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673)
0.035 * * [simplify]: iteration 0: 10 enodes
0.038 * * [simplify]: iteration 1: 19 enodes
0.043 * * [simplify]: iteration 2: 42 enodes
0.057 * * [simplify]: iteration 3: 85 enodes
0.081 * * [simplify]: iteration 4: 251 enodes
0.176 * * [simplify]: iteration 5: 813 enodes
1.076 * * [simplify]: iteration 6: 3113 enodes
2.552 * * [simplify]: iteration complete: 5001 enodes
2.552 * * [simplify]: Extracting #0: cost 1 inf + 0
2.556 * * [simplify]: Extracting #1: cost 1007 inf + 0
2.572 * * [simplify]: Extracting #2: cost 1464 inf + 9
2.584 * * [simplify]: Extracting #3: cost 1048 inf + 2489
2.595 * * [simplify]: Extracting #4: cost 86 inf + 9504
2.603 * * [simplify]: Extracting #5: cost 0 inf + 10266
2.609 * * [simplify]: Extracting #6: cost 0 inf + 10262
2.614 * [simplify]: Simplified to:
  (+ (* (- y 1.0) x) (- 0.918938533204673 (* 0.5 y)))
2.618 * * [progress]: iteration 1 / 4
2.618 * * * [progress]: picking best candidate
2.621 * * * * [pick]: Picked  #<alt (λ (x y) (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673))>
2.621 * * * [progress]: localizing error
2.632 * * * [progress]: generating rewritten candidates
2.632 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1)
2.654 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
2.680 * * * [progress]: generating series expansions
2.680 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1)
2.680 * [backup-simplify]: Simplify (* x (- y 1.0)) into (* x (- y 1.0))
2.680 * [approximate]: Taking taylor expansion of (* x (- y 1.0)) in (x y) around 0
2.680 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in y
2.680 * [taylor]: Taking taylor expansion of x in y
2.680 * [backup-simplify]: Simplify x into x
2.680 * [taylor]: Taking taylor expansion of (- y 1.0) in y
2.680 * [taylor]: Taking taylor expansion of y in y
2.680 * [backup-simplify]: Simplify 0 into 0
2.680 * [backup-simplify]: Simplify 1 into 1
2.680 * [taylor]: Taking taylor expansion of 1.0 in y
2.680 * [backup-simplify]: Simplify 1.0 into 1.0
2.680 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in x
2.680 * [taylor]: Taking taylor expansion of x in x
2.680 * [backup-simplify]: Simplify 0 into 0
2.680 * [backup-simplify]: Simplify 1 into 1
2.680 * [taylor]: Taking taylor expansion of (- y 1.0) in x
2.680 * [taylor]: Taking taylor expansion of y in x
2.680 * [backup-simplify]: Simplify y into y
2.681 * [taylor]: Taking taylor expansion of 1.0 in x
2.681 * [backup-simplify]: Simplify 1.0 into 1.0
2.681 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in x
2.681 * [taylor]: Taking taylor expansion of x in x
2.681 * [backup-simplify]: Simplify 0 into 0
2.681 * [backup-simplify]: Simplify 1 into 1
2.681 * [taylor]: Taking taylor expansion of (- y 1.0) in x
2.681 * [taylor]: Taking taylor expansion of y in x
2.681 * [backup-simplify]: Simplify y into y
2.681 * [taylor]: Taking taylor expansion of 1.0 in x
2.681 * [backup-simplify]: Simplify 1.0 into 1.0
2.682 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.682 * [backup-simplify]: Simplify (+ y (- 1.0)) into (- y 1.0)
2.682 * [backup-simplify]: Simplify (* 0 (- y 1.0)) into 0
2.682 * [taylor]: Taking taylor expansion of 0 in y
2.682 * [backup-simplify]: Simplify 0 into 0
2.682 * [backup-simplify]: Simplify 0 into 0
2.683 * [backup-simplify]: Simplify (- 0) into 0
2.683 * [backup-simplify]: Simplify (+ 0 0) into 0
2.683 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (- y 1.0))) into (- y 1.0)
2.683 * [taylor]: Taking taylor expansion of (- y 1.0) in y
2.683 * [taylor]: Taking taylor expansion of y in y
2.683 * [backup-simplify]: Simplify 0 into 0
2.684 * [backup-simplify]: Simplify 1 into 1
2.684 * [taylor]: Taking taylor expansion of 1.0 in y
2.684 * [backup-simplify]: Simplify 1.0 into 1.0
2.684 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.685 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
2.685 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.685 * [backup-simplify]: Simplify 0 into 0
2.686 * [backup-simplify]: Simplify (- 0) into 0
2.686 * [backup-simplify]: Simplify (+ 0 0) into 0
2.687 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (- y 1.0)))) into 0
2.687 * [taylor]: Taking taylor expansion of 0 in y
2.687 * [backup-simplify]: Simplify 0 into 0
2.687 * [backup-simplify]: Simplify 0 into 0
2.687 * [backup-simplify]: Simplify (- 0) into 0
2.688 * [backup-simplify]: Simplify (+ 1 0) into 1
2.688 * [backup-simplify]: Simplify 1 into 1
2.688 * [backup-simplify]: Simplify 0 into 0
2.688 * [backup-simplify]: Simplify (- 0) into 0
2.689 * [backup-simplify]: Simplify (+ 0 0) into 0
2.690 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (- y 1.0))))) into 0
2.690 * [taylor]: Taking taylor expansion of 0 in y
2.690 * [backup-simplify]: Simplify 0 into 0
2.690 * [backup-simplify]: Simplify 0 into 0
2.690 * [backup-simplify]: Simplify 0 into 0
2.690 * [backup-simplify]: Simplify (- 0) into 0
2.691 * [backup-simplify]: Simplify (+ 0 0) into 0
2.691 * [backup-simplify]: Simplify 0 into 0
2.691 * [backup-simplify]: Simplify 0 into 0
2.691 * [backup-simplify]: Simplify (- 0) into 0
2.691 * [backup-simplify]: Simplify (+ 0 0) into 0
2.693 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- y 1.0)))))) into 0
2.693 * [taylor]: Taking taylor expansion of 0 in y
2.693 * [backup-simplify]: Simplify 0 into 0
2.693 * [backup-simplify]: Simplify 0 into 0
2.694 * [backup-simplify]: Simplify (+ (* 1 (* y x)) (* (- 1.0) (* 1 x))) into (- (* x y) (* 1.0 x))
2.694 * [backup-simplify]: Simplify (* (/ 1 x) (- (/ 1 y) 1.0)) into (/ (- (/ 1 y) 1.0) x)
2.694 * [approximate]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in (x y) around 0
2.694 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in y
2.694 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y
2.694 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.694 * [taylor]: Taking taylor expansion of y in y
2.694 * [backup-simplify]: Simplify 0 into 0
2.694 * [backup-simplify]: Simplify 1 into 1
2.694 * [backup-simplify]: Simplify (/ 1 1) into 1
2.694 * [taylor]: Taking taylor expansion of 1.0 in y
2.694 * [backup-simplify]: Simplify 1.0 into 1.0
2.694 * [taylor]: Taking taylor expansion of x in y
2.694 * [backup-simplify]: Simplify x into x
2.695 * [backup-simplify]: Simplify (+ 1 0) into 1
2.695 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
2.695 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in x
2.695 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in x
2.695 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.695 * [taylor]: Taking taylor expansion of y in x
2.695 * [backup-simplify]: Simplify y into y
2.695 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.695 * [taylor]: Taking taylor expansion of 1.0 in x
2.695 * [backup-simplify]: Simplify 1.0 into 1.0
2.695 * [taylor]: Taking taylor expansion of x in x
2.695 * [backup-simplify]: Simplify 0 into 0
2.695 * [backup-simplify]: Simplify 1 into 1
2.696 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.696 * [backup-simplify]: Simplify (+ (/ 1 y) (- 1.0)) into (- (/ 1 y) 1.0)
2.696 * [backup-simplify]: Simplify (/ (- (/ 1 y) 1.0) 1) into (- (/ 1 y) 1.0)
2.696 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in x
2.696 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in x
2.696 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.696 * [taylor]: Taking taylor expansion of y in x
2.696 * [backup-simplify]: Simplify y into y
2.696 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.696 * [taylor]: Taking taylor expansion of 1.0 in x
2.696 * [backup-simplify]: Simplify 1.0 into 1.0
2.696 * [taylor]: Taking taylor expansion of x in x
2.697 * [backup-simplify]: Simplify 0 into 0
2.697 * [backup-simplify]: Simplify 1 into 1
2.697 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.698 * [backup-simplify]: Simplify (+ (/ 1 y) (- 1.0)) into (- (/ 1 y) 1.0)
2.698 * [backup-simplify]: Simplify (/ (- (/ 1 y) 1.0) 1) into (- (/ 1 y) 1.0)
2.698 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y
2.698 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.698 * [taylor]: Taking taylor expansion of y in y
2.698 * [backup-simplify]: Simplify 0 into 0
2.698 * [backup-simplify]: Simplify 1 into 1
2.698 * [backup-simplify]: Simplify (/ 1 1) into 1
2.698 * [taylor]: Taking taylor expansion of 1.0 in y
2.698 * [backup-simplify]: Simplify 1.0 into 1.0
2.699 * [backup-simplify]: Simplify (+ 1 0) into 1
2.699 * [backup-simplify]: Simplify 1 into 1
2.699 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
2.699 * [backup-simplify]: Simplify (- 0) into 0
2.700 * [backup-simplify]: Simplify (+ 0 0) into 0
2.701 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (- (/ 1 y) 1.0) (/ 0 1)))) into 0
2.701 * [taylor]: Taking taylor expansion of 0 in y
2.701 * [backup-simplify]: Simplify 0 into 0
2.702 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.702 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.703 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
2.703 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.703 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
2.704 * [backup-simplify]: Simplify (- 0) into 0
2.704 * [backup-simplify]: Simplify (+ 0 0) into 0
2.705 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (- (/ 1 y) 1.0) (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.706 * [taylor]: Taking taylor expansion of 0 in y
2.706 * [backup-simplify]: Simplify 0 into 0
2.706 * [backup-simplify]: Simplify 0 into 0
2.706 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.707 * [backup-simplify]: Simplify (- 0) into 0
2.707 * [backup-simplify]: Simplify (+ 0 0) into 0
2.707 * [backup-simplify]: Simplify 0 into 0
2.707 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
2.708 * [backup-simplify]: Simplify (- 0) into 0
2.708 * [backup-simplify]: Simplify (+ 0 0) into 0
2.710 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (- (/ 1 y) 1.0) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.710 * [taylor]: Taking taylor expansion of 0 in y
2.710 * [backup-simplify]: Simplify 0 into 0
2.710 * [backup-simplify]: Simplify 0 into 0
2.710 * [backup-simplify]: Simplify 0 into 0
2.711 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.712 * [backup-simplify]: Simplify (- 0) into 0
2.712 * [backup-simplify]: Simplify (+ 0 0) into 0
2.712 * [backup-simplify]: Simplify 0 into 0
2.712 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
2.713 * [backup-simplify]: Simplify (- 0) into 0
2.713 * [backup-simplify]: Simplify (+ 0 0) into 0
2.716 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (- (/ 1 y) 1.0) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.716 * [taylor]: Taking taylor expansion of 0 in y
2.716 * [backup-simplify]: Simplify 0 into 0
2.716 * [backup-simplify]: Simplify 0 into 0
2.716 * [backup-simplify]: Simplify (+ (* (- 1.0) (* 1 (/ 1 (/ 1 x)))) (* 1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x))))) into (- (* x y) (* 1.0 x))
2.717 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- (/ 1 (- y)) 1.0)) into (/ (+ 1.0 (/ 1 y)) x)
2.717 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 y)) x) in (x y) around 0
2.717 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 y)) x) in y
2.717 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 y)) in y
2.717 * [taylor]: Taking taylor expansion of 1.0 in y
2.717 * [backup-simplify]: Simplify 1.0 into 1.0
2.717 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.717 * [taylor]: Taking taylor expansion of y in y
2.717 * [backup-simplify]: Simplify 0 into 0
2.717 * [backup-simplify]: Simplify 1 into 1
2.717 * [backup-simplify]: Simplify (/ 1 1) into 1
2.717 * [taylor]: Taking taylor expansion of x in y
2.717 * [backup-simplify]: Simplify x into x
2.717 * [backup-simplify]: Simplify (+ 0 1) into 1
2.717 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
2.718 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 y)) x) in x
2.718 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 y)) in x
2.718 * [taylor]: Taking taylor expansion of 1.0 in x
2.718 * [backup-simplify]: Simplify 1.0 into 1.0
2.718 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.718 * [taylor]: Taking taylor expansion of y in x
2.718 * [backup-simplify]: Simplify y into y
2.718 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.718 * [taylor]: Taking taylor expansion of x in x
2.718 * [backup-simplify]: Simplify 0 into 0
2.718 * [backup-simplify]: Simplify 1 into 1
2.718 * [backup-simplify]: Simplify (+ 1.0 (/ 1 y)) into (+ 1.0 (/ 1 y))
2.718 * [backup-simplify]: Simplify (/ (+ 1.0 (/ 1 y)) 1) into (+ 1.0 (/ 1 y))
2.718 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 y)) x) in x
2.718 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 y)) in x
2.718 * [taylor]: Taking taylor expansion of 1.0 in x
2.718 * [backup-simplify]: Simplify 1.0 into 1.0
2.718 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.718 * [taylor]: Taking taylor expansion of y in x
2.718 * [backup-simplify]: Simplify y into y
2.718 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.718 * [taylor]: Taking taylor expansion of x in x
2.718 * [backup-simplify]: Simplify 0 into 0
2.718 * [backup-simplify]: Simplify 1 into 1
2.718 * [backup-simplify]: Simplify (+ 1.0 (/ 1 y)) into (+ 1.0 (/ 1 y))
2.718 * [backup-simplify]: Simplify (/ (+ 1.0 (/ 1 y)) 1) into (+ 1.0 (/ 1 y))
2.718 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 y)) in y
2.718 * [taylor]: Taking taylor expansion of 1.0 in y
2.718 * [backup-simplify]: Simplify 1.0 into 1.0
2.718 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.718 * [taylor]: Taking taylor expansion of y in y
2.718 * [backup-simplify]: Simplify 0 into 0
2.718 * [backup-simplify]: Simplify 1 into 1
2.719 * [backup-simplify]: Simplify (/ 1 1) into 1
2.719 * [backup-simplify]: Simplify (+ 0 1) into 1
2.719 * [backup-simplify]: Simplify 1 into 1
2.719 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
2.719 * [backup-simplify]: Simplify (+ 0 0) into 0
2.720 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (+ 1.0 (/ 1 y)) (/ 0 1)))) into 0
2.720 * [taylor]: Taking taylor expansion of 0 in y
2.720 * [backup-simplify]: Simplify 0 into 0
2.720 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.720 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.720 * [backup-simplify]: Simplify 1.0 into 1.0
2.721 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
2.721 * [backup-simplify]: Simplify (+ 0 0) into 0
2.722 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (+ 1.0 (/ 1 y)) (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.722 * [taylor]: Taking taylor expansion of 0 in y
2.722 * [backup-simplify]: Simplify 0 into 0
2.722 * [backup-simplify]: Simplify 0 into 0
2.722 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.722 * [backup-simplify]: Simplify (+ 0 0) into 0
2.723 * [backup-simplify]: Simplify 0 into 0
2.723 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
2.723 * [backup-simplify]: Simplify (+ 0 0) into 0
2.724 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (+ 1.0 (/ 1 y)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.724 * [taylor]: Taking taylor expansion of 0 in y
2.724 * [backup-simplify]: Simplify 0 into 0
2.724 * [backup-simplify]: Simplify 0 into 0
2.724 * [backup-simplify]: Simplify 0 into 0
2.725 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.725 * [backup-simplify]: Simplify (+ 0 0) into 0
2.725 * [backup-simplify]: Simplify 0 into 0
2.725 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
2.725 * [backup-simplify]: Simplify (+ 0 0) into 0
2.727 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (+ 1.0 (/ 1 y)) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.727 * [taylor]: Taking taylor expansion of 0 in y
2.727 * [backup-simplify]: Simplify 0 into 0
2.727 * [backup-simplify]: Simplify 0 into 0
2.727 * [backup-simplify]: Simplify (+ (* 1.0 (* 1 (/ 1 (/ 1 (- x))))) (* 1 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) into (- (* x y) (* 1.0 x))
2.727 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
2.727 * [backup-simplify]: Simplify (- (* x (- y 1.0)) (* y 0.5)) into (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
2.727 * [approximate]: Taking taylor expansion of (- (* x y) (+ (* 1.0 x) (* 0.5 y))) in (x y) around 0
2.727 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1.0 x) (* 0.5 y))) in y
2.727 * [taylor]: Taking taylor expansion of (* x y) in y
2.727 * [taylor]: Taking taylor expansion of x in y
2.727 * [backup-simplify]: Simplify x into x
2.727 * [taylor]: Taking taylor expansion of y in y
2.727 * [backup-simplify]: Simplify 0 into 0
2.727 * [backup-simplify]: Simplify 1 into 1
2.727 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* 0.5 y)) in y
2.727 * [taylor]: Taking taylor expansion of (* 1.0 x) in y
2.727 * [taylor]: Taking taylor expansion of 1.0 in y
2.727 * [backup-simplify]: Simplify 1.0 into 1.0
2.727 * [taylor]: Taking taylor expansion of x in y
2.727 * [backup-simplify]: Simplify x into x
2.728 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
2.728 * [taylor]: Taking taylor expansion of 0.5 in y
2.728 * [backup-simplify]: Simplify 0.5 into 0.5
2.728 * [taylor]: Taking taylor expansion of y in y
2.728 * [backup-simplify]: Simplify 0 into 0
2.728 * [backup-simplify]: Simplify 1 into 1
2.728 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1.0 x) (* 0.5 y))) in x
2.728 * [taylor]: Taking taylor expansion of (* x y) in x
2.728 * [taylor]: Taking taylor expansion of x in x
2.728 * [backup-simplify]: Simplify 0 into 0
2.728 * [backup-simplify]: Simplify 1 into 1
2.728 * [taylor]: Taking taylor expansion of y in x
2.728 * [backup-simplify]: Simplify y into y
2.728 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* 0.5 y)) in x
2.728 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
2.728 * [taylor]: Taking taylor expansion of 1.0 in x
2.728 * [backup-simplify]: Simplify 1.0 into 1.0
2.728 * [taylor]: Taking taylor expansion of x in x
2.728 * [backup-simplify]: Simplify 0 into 0
2.728 * [backup-simplify]: Simplify 1 into 1
2.728 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
2.728 * [taylor]: Taking taylor expansion of 0.5 in x
2.728 * [backup-simplify]: Simplify 0.5 into 0.5
2.728 * [taylor]: Taking taylor expansion of y in x
2.728 * [backup-simplify]: Simplify y into y
2.728 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1.0 x) (* 0.5 y))) in x
2.728 * [taylor]: Taking taylor expansion of (* x y) in x
2.728 * [taylor]: Taking taylor expansion of x in x
2.728 * [backup-simplify]: Simplify 0 into 0
2.728 * [backup-simplify]: Simplify 1 into 1
2.728 * [taylor]: Taking taylor expansion of y in x
2.728 * [backup-simplify]: Simplify y into y
2.728 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* 0.5 y)) in x
2.728 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
2.728 * [taylor]: Taking taylor expansion of 1.0 in x
2.728 * [backup-simplify]: Simplify 1.0 into 1.0
2.728 * [taylor]: Taking taylor expansion of x in x
2.728 * [backup-simplify]: Simplify 0 into 0
2.728 * [backup-simplify]: Simplify 1 into 1
2.728 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
2.728 * [taylor]: Taking taylor expansion of 0.5 in x
2.728 * [backup-simplify]: Simplify 0.5 into 0.5
2.728 * [taylor]: Taking taylor expansion of y in x
2.728 * [backup-simplify]: Simplify y into y
2.728 * [backup-simplify]: Simplify (* 0 y) into 0
2.729 * [backup-simplify]: Simplify (* 1.0 0) into 0
2.729 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y)
2.729 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y)
2.729 * [backup-simplify]: Simplify (- (* 0.5 y)) into (- (* 0.5 y))
2.729 * [backup-simplify]: Simplify (+ 0 (- (* 0.5 y))) into (- (* 0.5 y))
2.729 * [taylor]: Taking taylor expansion of (- (* 0.5 y)) in y
2.729 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
2.729 * [taylor]: Taking taylor expansion of 0.5 in y
2.729 * [backup-simplify]: Simplify 0.5 into 0.5
2.729 * [taylor]: Taking taylor expansion of y in y
2.729 * [backup-simplify]: Simplify 0 into 0
2.729 * [backup-simplify]: Simplify 1 into 1
2.729 * [backup-simplify]: Simplify (* 0.5 0) into 0
2.729 * [backup-simplify]: Simplify (- 0) into 0
2.729 * [backup-simplify]: Simplify 0 into 0
2.730 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
2.731 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
2.731 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0
2.731 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.731 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.732 * [backup-simplify]: Simplify (+ y (- 1.0)) into (- y 1.0)
2.732 * [taylor]: Taking taylor expansion of (- y 1.0) in y
2.732 * [taylor]: Taking taylor expansion of y in y
2.732 * [backup-simplify]: Simplify 0 into 0
2.732 * [backup-simplify]: Simplify 1 into 1
2.732 * [taylor]: Taking taylor expansion of 1.0 in y
2.732 * [backup-simplify]: Simplify 1.0 into 1.0
2.732 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.733 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
2.733 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.734 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
2.734 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.734 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.735 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
2.735 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
2.736 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0
2.736 * [backup-simplify]: Simplify (+ 0 0) into 0
2.736 * [backup-simplify]: Simplify (- 0) into 0
2.737 * [backup-simplify]: Simplify (+ 0 0) into 0
2.737 * [taylor]: Taking taylor expansion of 0 in y
2.737 * [backup-simplify]: Simplify 0 into 0
2.737 * [backup-simplify]: Simplify 0 into 0
2.737 * [backup-simplify]: Simplify (- 0) into 0
2.738 * [backup-simplify]: Simplify (+ 1 0) into 1
2.738 * [backup-simplify]: Simplify 1 into 1
2.739 * [backup-simplify]: Simplify (+ (* 1 (* y x)) (+ (* (- 0.5) (* y 1)) (* (- 1.0) (* 1 x)))) into (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
2.739 * [backup-simplify]: Simplify (- (* (/ 1 x) (- (/ 1 y) 1.0)) (* (/ 1 y) 0.5)) into (- (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))))
2.739 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in (x y) around 0
2.739 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in y
2.739 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
2.739 * [taylor]: Taking taylor expansion of (* x y) in y
2.739 * [taylor]: Taking taylor expansion of x in y
2.739 * [backup-simplify]: Simplify x into x
2.739 * [taylor]: Taking taylor expansion of y in y
2.739 * [backup-simplify]: Simplify 0 into 0
2.739 * [backup-simplify]: Simplify 1 into 1
2.739 * [backup-simplify]: Simplify (* x 0) into 0
2.740 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
2.740 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
2.740 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))) in y
2.740 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y
2.740 * [taylor]: Taking taylor expansion of 1.0 in y
2.740 * [backup-simplify]: Simplify 1.0 into 1.0
2.740 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.740 * [taylor]: Taking taylor expansion of x in y
2.740 * [backup-simplify]: Simplify x into x
2.740 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
2.740 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
2.740 * [taylor]: Taking taylor expansion of 0.5 in y
2.740 * [backup-simplify]: Simplify 0.5 into 0.5
2.740 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.740 * [taylor]: Taking taylor expansion of y in y
2.740 * [backup-simplify]: Simplify 0 into 0
2.740 * [backup-simplify]: Simplify 1 into 1
2.740 * [backup-simplify]: Simplify (/ 1 1) into 1
2.741 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
2.741 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
2.741 * [taylor]: Taking taylor expansion of (* x y) in x
2.741 * [taylor]: Taking taylor expansion of x in x
2.741 * [backup-simplify]: Simplify 0 into 0
2.741 * [backup-simplify]: Simplify 1 into 1
2.741 * [taylor]: Taking taylor expansion of y in x
2.741 * [backup-simplify]: Simplify y into y
2.741 * [backup-simplify]: Simplify (* 0 y) into 0
2.741 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
2.741 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.741 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))) in x
2.741 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.741 * [taylor]: Taking taylor expansion of 1.0 in x
2.741 * [backup-simplify]: Simplify 1.0 into 1.0
2.741 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.741 * [taylor]: Taking taylor expansion of x in x
2.741 * [backup-simplify]: Simplify 0 into 0
2.741 * [backup-simplify]: Simplify 1 into 1
2.742 * [backup-simplify]: Simplify (/ 1 1) into 1
2.742 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
2.742 * [taylor]: Taking taylor expansion of 0.5 in x
2.742 * [backup-simplify]: Simplify 0.5 into 0.5
2.742 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.742 * [taylor]: Taking taylor expansion of y in x
2.742 * [backup-simplify]: Simplify y into y
2.742 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.742 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
2.742 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
2.742 * [taylor]: Taking taylor expansion of (* x y) in x
2.742 * [taylor]: Taking taylor expansion of x in x
2.742 * [backup-simplify]: Simplify 0 into 0
2.742 * [backup-simplify]: Simplify 1 into 1
2.742 * [taylor]: Taking taylor expansion of y in x
2.742 * [backup-simplify]: Simplify y into y
2.742 * [backup-simplify]: Simplify (* 0 y) into 0
2.743 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
2.743 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.743 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))) in x
2.743 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.743 * [taylor]: Taking taylor expansion of 1.0 in x
2.743 * [backup-simplify]: Simplify 1.0 into 1.0
2.743 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.743 * [taylor]: Taking taylor expansion of x in x
2.743 * [backup-simplify]: Simplify 0 into 0
2.743 * [backup-simplify]: Simplify 1 into 1
2.743 * [backup-simplify]: Simplify (/ 1 1) into 1
2.743 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
2.743 * [taylor]: Taking taylor expansion of 0.5 in x
2.744 * [backup-simplify]: Simplify 0.5 into 0.5
2.744 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.744 * [taylor]: Taking taylor expansion of y in x
2.744 * [backup-simplify]: Simplify y into y
2.744 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.744 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
2.745 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.745 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.745 * [backup-simplify]: Simplify (+ (/ 1 y) (- 1.0)) into (- (/ 1 y) 1.0)
2.745 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y
2.746 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.746 * [taylor]: Taking taylor expansion of y in y
2.746 * [backup-simplify]: Simplify 0 into 0
2.746 * [backup-simplify]: Simplify 1 into 1
2.746 * [backup-simplify]: Simplify (/ 1 1) into 1
2.746 * [taylor]: Taking taylor expansion of 1.0 in y
2.746 * [backup-simplify]: Simplify 1.0 into 1.0
2.746 * [backup-simplify]: Simplify (+ 1 0) into 1
2.746 * [backup-simplify]: Simplify 1 into 1
2.748 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
2.748 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
2.748 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.749 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
2.749 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
2.749 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
2.749 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y)))
2.750 * [backup-simplify]: Simplify (+ 0 (- (* 0.5 (/ 1 y)))) into (- (* 0.5 (/ 1 y)))
2.750 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y
2.750 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
2.750 * [taylor]: Taking taylor expansion of 0.5 in y
2.750 * [backup-simplify]: Simplify 0.5 into 0.5
2.750 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.750 * [taylor]: Taking taylor expansion of y in y
2.750 * [backup-simplify]: Simplify 0 into 0
2.750 * [backup-simplify]: Simplify 1 into 1
2.750 * [backup-simplify]: Simplify (/ 1 1) into 1
2.751 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.751 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.751 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.756 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.756 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.757 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
2.757 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.758 * [backup-simplify]: Simplify (+ (* (- 1.0) (* 1 (/ 1 (/ 1 x)))) (+ (* (- 0.5) (* (/ 1 (/ 1 y)) 1)) (* 1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x)))))) into (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
2.759 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (- (/ 1 (- y)) 1.0)) (* (/ 1 (- y)) 0.5)) into (+ (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))))
2.759 * [approximate]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in (x y) around 0
2.759 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in y
2.759 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
2.759 * [taylor]: Taking taylor expansion of (* x y) in y
2.759 * [taylor]: Taking taylor expansion of x in y
2.759 * [backup-simplify]: Simplify x into x
2.759 * [taylor]: Taking taylor expansion of y in y
2.759 * [backup-simplify]: Simplify 0 into 0
2.759 * [backup-simplify]: Simplify 1 into 1
2.759 * [backup-simplify]: Simplify (* x 0) into 0
2.760 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
2.760 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
2.760 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))) in y
2.760 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y
2.760 * [taylor]: Taking taylor expansion of 1.0 in y
2.760 * [backup-simplify]: Simplify 1.0 into 1.0
2.760 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.760 * [taylor]: Taking taylor expansion of x in y
2.760 * [backup-simplify]: Simplify x into x
2.760 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
2.760 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
2.760 * [taylor]: Taking taylor expansion of 0.5 in y
2.760 * [backup-simplify]: Simplify 0.5 into 0.5
2.760 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.760 * [taylor]: Taking taylor expansion of y in y
2.760 * [backup-simplify]: Simplify 0 into 0
2.760 * [backup-simplify]: Simplify 1 into 1
2.760 * [backup-simplify]: Simplify (/ 1 1) into 1
2.760 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
2.761 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
2.761 * [taylor]: Taking taylor expansion of (* x y) in x
2.761 * [taylor]: Taking taylor expansion of x in x
2.761 * [backup-simplify]: Simplify 0 into 0
2.761 * [backup-simplify]: Simplify 1 into 1
2.761 * [taylor]: Taking taylor expansion of y in x
2.761 * [backup-simplify]: Simplify y into y
2.761 * [backup-simplify]: Simplify (* 0 y) into 0
2.761 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
2.761 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.761 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))) in x
2.761 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.761 * [taylor]: Taking taylor expansion of 1.0 in x
2.761 * [backup-simplify]: Simplify 1.0 into 1.0
2.761 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.761 * [taylor]: Taking taylor expansion of x in x
2.761 * [backup-simplify]: Simplify 0 into 0
2.761 * [backup-simplify]: Simplify 1 into 1
2.761 * [backup-simplify]: Simplify (/ 1 1) into 1
2.761 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
2.762 * [taylor]: Taking taylor expansion of 0.5 in x
2.762 * [backup-simplify]: Simplify 0.5 into 0.5
2.762 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.762 * [taylor]: Taking taylor expansion of y in x
2.762 * [backup-simplify]: Simplify y into y
2.762 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.762 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
2.762 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
2.762 * [taylor]: Taking taylor expansion of (* x y) in x
2.762 * [taylor]: Taking taylor expansion of x in x
2.762 * [backup-simplify]: Simplify 0 into 0
2.762 * [backup-simplify]: Simplify 1 into 1
2.762 * [taylor]: Taking taylor expansion of y in x
2.762 * [backup-simplify]: Simplify y into y
2.762 * [backup-simplify]: Simplify (* 0 y) into 0
2.762 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
2.762 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.762 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))) in x
2.762 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.762 * [taylor]: Taking taylor expansion of 1.0 in x
2.762 * [backup-simplify]: Simplify 1.0 into 1.0
2.762 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.762 * [taylor]: Taking taylor expansion of x in x
2.762 * [backup-simplify]: Simplify 0 into 0
2.762 * [backup-simplify]: Simplify 1 into 1
2.763 * [backup-simplify]: Simplify (/ 1 1) into 1
2.763 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
2.763 * [taylor]: Taking taylor expansion of 0.5 in x
2.763 * [backup-simplify]: Simplify 0.5 into 0.5
2.763 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.763 * [taylor]: Taking taylor expansion of y in x
2.763 * [backup-simplify]: Simplify y into y
2.763 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
2.763 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
2.763 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.763 * [backup-simplify]: Simplify (+ (/ 1 y) 1.0) into (+ 1.0 (/ 1 y))
2.764 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 y)) in y
2.764 * [taylor]: Taking taylor expansion of 1.0 in y
2.764 * [backup-simplify]: Simplify 1.0 into 1.0
2.764 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.764 * [taylor]: Taking taylor expansion of y in y
2.764 * [backup-simplify]: Simplify 0 into 0
2.764 * [backup-simplify]: Simplify 1 into 1
2.764 * [backup-simplify]: Simplify (/ 1 1) into 1
2.764 * [backup-simplify]: Simplify (+ 0 1) into 1
2.764 * [backup-simplify]: Simplify 1 into 1
2.765 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
2.765 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
2.765 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.766 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
2.766 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
2.766 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
2.766 * [backup-simplify]: Simplify (+ 0 (* 0.5 (/ 1 y))) into (* 0.5 (/ 1 y))
2.766 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
2.766 * [taylor]: Taking taylor expansion of 0.5 in y
2.766 * [backup-simplify]: Simplify 0.5 into 0.5
2.766 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.766 * [taylor]: Taking taylor expansion of y in y
2.766 * [backup-simplify]: Simplify 0 into 0
2.766 * [backup-simplify]: Simplify 1 into 1
2.766 * [backup-simplify]: Simplify (/ 1 1) into 1
2.767 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.767 * [backup-simplify]: Simplify 0.5 into 0.5
2.767 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.767 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.767 * [backup-simplify]: Simplify 1.0 into 1.0
2.768 * [backup-simplify]: Simplify (+ (* 1.0 (* 1 (/ 1 (/ 1 (- x))))) (+ (* 0.5 (* (/ 1 (/ 1 (- y))) 1)) (* 1 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x))))))) into (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
2.768 * * * [progress]: simplifying candidates
2.768 * [simplify]: Simplifying:
  (* x (- y 1.0))
  (+ (log x) (log (- y 1.0)))
  (log (* x (- y 1.0)))
  (exp (* x (- y 1.0)))
  (* (* (* x x) x) (* (* (- y 1.0) (- y 1.0)) (- y 1.0)))
  (* (cbrt (* x (- y 1.0))) (cbrt (* x (- y 1.0))))
  (cbrt (* x (- y 1.0)))
  (* (* (* x (- y 1.0)) (* x (- y 1.0))) (* x (- y 1.0)))
  (sqrt (* x (- y 1.0)))
  (sqrt (* x (- y 1.0)))
  (* (sqrt x) (sqrt (- y 1.0)))
  (* (sqrt x) (sqrt (- y 1.0)))
  (* x y)
  (* x (- 1.0))
  (* x y)
  (* x (- 1.0))
  (* y x)
  (* (- 1.0) x)
  (* y x)
  (* (- 1.0) x)
  (* x (* (cbrt (- y 1.0)) (cbrt (- y 1.0))))
  (* x (sqrt (- y 1.0)))
  (* x 1)
  (* x (+ (sqrt y) (sqrt 1.0)))
  (* x 1)
  (* (cbrt x) (- y 1.0))
  (* (sqrt x) (- y 1.0))
  (* x (- y 1.0))
  (* x (- (pow y 3) (pow 1.0 3)))
  (* x (- (* y y) (* 1.0 1.0)))
  (/ (exp (* x (- y 1.0))) (exp (* y 0.5)))
  (log (- (* x (- y 1.0)) (* y 0.5)))
  (exp (- (* x (- y 1.0)) (* y 0.5)))
  (* (cbrt (- (* x (- y 1.0)) (* y 0.5))) (cbrt (- (* x (- y 1.0)) (* y 0.5))))
  (cbrt (- (* x (- y 1.0)) (* y 0.5)))
  (* (* (- (* x (- y 1.0)) (* y 0.5)) (- (* x (- y 1.0)) (* y 0.5))) (- (* x (- y 1.0)) (* y 0.5)))
  (sqrt (- (* x (- y 1.0)) (* y 0.5)))
  (sqrt (- (* x (- y 1.0)) (* y 0.5)))
  (- (pow (* x (- y 1.0)) 3) (pow (* y 0.5) 3))
  (+ (* (* x (- y 1.0)) (* x (- y 1.0))) (+ (* (* y 0.5) (* y 0.5)) (* (* x (- y 1.0)) (* y 0.5))))
  (- (* y 0.5))
  (- (* (* x (- y 1.0)) (* x (- y 1.0))) (* (* y 0.5) (* y 0.5)))
  (+ (* x (- y 1.0)) (* y 0.5))
  (- (* x (- 1.0)) (* y 0.5))
  (- (* x (- 1.0)) (* y 0.5))
  (- (* (- 1.0) x) (* y 0.5))
  (- (* (- 1.0) x) (* y 0.5))
  (- (* y 0.5))
  (- (* x y) (* 1.0 x))
  (- (* x y) (* 1.0 x))
  (- (* x y) (* 1.0 x))
  (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
  (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
  (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
2.769 * * [simplify]: iteration 0: 79 enodes
2.789 * * [simplify]: iteration 1: 198 enodes
2.846 * * [simplify]: iteration 2: 631 enodes
3.321 * * [simplify]: iteration 3: 2817 enodes
4.107 * * [simplify]: iteration complete: 5002 enodes
4.108 * * [simplify]: Extracting #0: cost 31 inf + 0
4.109 * * [simplify]: Extracting #1: cost 298 inf + 1
4.114 * * [simplify]: Extracting #2: cost 1056 inf + 321
4.123 * * [simplify]: Extracting #3: cost 976 inf + 5787
4.133 * * [simplify]: Extracting #4: cost 324 inf + 13513
4.143 * * [simplify]: Extracting #5: cost 76 inf + 16004
4.153 * * [simplify]: Extracting #6: cost 26 inf + 16375
4.163 * * [simplify]: Extracting #7: cost 2 inf + 16489
4.175 * * [simplify]: Extracting #8: cost 0 inf + 16499
4.188 * [simplify]: Simplified to:
  (* (- y 1.0) x)
  (log (* (- y 1.0) x))
  (log (* (- y 1.0) x))
  (pow (exp (- y 1.0)) x)
  (pow (* (- y 1.0) x) 3)
  (* (cbrt (* (- y 1.0) x)) (cbrt (* (- y 1.0) x)))
  (cbrt (* (- y 1.0) x))
  (pow (* (- y 1.0) x) 3)
  (sqrt (* (- y 1.0) x))
  (sqrt (* (- y 1.0) x))
  (* (sqrt x) (sqrt (- y 1.0)))
  (* (sqrt x) (sqrt (- y 1.0)))
  (* x y)
  (* 1.0 (- x))
  (* x y)
  (* 1.0 (- x))
  (* x y)
  (* 1.0 (- x))
  (* x y)
  (* 1.0 (- x))
  (* (cbrt (- y 1.0)) (* (cbrt (- y 1.0)) x))
  (* (sqrt (- y 1.0)) x)
  x
  (* (+ (sqrt 1.0) (sqrt y)) x)
  x
  (* (cbrt x) (- y 1.0))
  (* (sqrt x) (- y 1.0))
  (* (- y 1.0) x)
  (* x (- (pow y 3) (pow 1.0 3)))
  (* (+ y 1.0) (* (- y 1.0) x))
  (exp (- (* (- y 1.0) x) (* 0.5 y)))
  (log (- (* (- y 1.0) x) (* 0.5 y)))
  (exp (- (* (- y 1.0) x) (* 0.5 y)))
  (* (cbrt (- (* (- y 1.0) x) (* 0.5 y))) (cbrt (- (* (- y 1.0) x) (* 0.5 y))))
  (cbrt (- (* (- y 1.0) x) (* 0.5 y)))
  (pow (- (* (- y 1.0) x) (* 0.5 y)) 3)
  (sqrt (- (* (- y 1.0) x) (* 0.5 y)))
  (sqrt (- (* (- y 1.0) x) (* 0.5 y)))
  (- (pow (* (- y 1.0) x) 3) (pow (* 0.5 y) 3))
  (+ (* (* 0.5 y) (* 0.5 y)) (* (* (- y 1.0) x) (+ (* (- y 1.0) x) (* 0.5 y))))
  (- (* 0.5 y))
  (* (+ (* (- y 1.0) x) (* 0.5 y)) (- (* (- y 1.0) x) (* 0.5 y)))
  (+ (* (- y 1.0) x) (* 0.5 y))
  (- (- (* 0.5 y)) (* x 1.0))
  (- (- (* 0.5 y)) (* x 1.0))
  (- (- (* 0.5 y)) (* x 1.0))
  (- (- (* 0.5 y)) (* x 1.0))
  (- (* 0.5 y))
  (* (- y 1.0) x)
  (* (- y 1.0) x)
  (* (- y 1.0) x)
  (- (* (- y 1.0) x) (* 0.5 y))
  (- (* (- y 1.0) x) (* 0.5 y))
  (- (* (- y 1.0) x) (* 0.5 y))
4.189 * * * [progress]: adding candidates to table
4.348 * * [progress]: iteration 2 / 4
4.348 * * * [progress]: picking best candidate
4.354 * * * * [pick]: Picked  #<alt (λ (x y) (+ (- (+ (* x y) (* 1.0 (- x))) (* y 0.5)) 0.918938533204673))>
4.354 * * * [progress]: localizing error
4.382 * * * [progress]: generating rewritten candidates
4.382 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
4.421 * * * [progress]: generating series expansions
4.421 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
4.422 * [backup-simplify]: Simplify (- (+ (* x y) (* 1.0 (- x))) (* y 0.5)) into (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
4.422 * [approximate]: Taking taylor expansion of (- (* x y) (+ (* 1.0 x) (* 0.5 y))) in (x y) around 0
4.422 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1.0 x) (* 0.5 y))) in y
4.422 * [taylor]: Taking taylor expansion of (* x y) in y
4.422 * [taylor]: Taking taylor expansion of x in y
4.422 * [backup-simplify]: Simplify x into x
4.422 * [taylor]: Taking taylor expansion of y in y
4.422 * [backup-simplify]: Simplify 0 into 0
4.422 * [backup-simplify]: Simplify 1 into 1
4.422 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* 0.5 y)) in y
4.422 * [taylor]: Taking taylor expansion of (* 1.0 x) in y
4.422 * [taylor]: Taking taylor expansion of 1.0 in y
4.422 * [backup-simplify]: Simplify 1.0 into 1.0
4.422 * [taylor]: Taking taylor expansion of x in y
4.422 * [backup-simplify]: Simplify x into x
4.422 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
4.422 * [taylor]: Taking taylor expansion of 0.5 in y
4.422 * [backup-simplify]: Simplify 0.5 into 0.5
4.422 * [taylor]: Taking taylor expansion of y in y
4.422 * [backup-simplify]: Simplify 0 into 0
4.422 * [backup-simplify]: Simplify 1 into 1
4.422 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1.0 x) (* 0.5 y))) in x
4.422 * [taylor]: Taking taylor expansion of (* x y) in x
4.422 * [taylor]: Taking taylor expansion of x in x
4.422 * [backup-simplify]: Simplify 0 into 0
4.422 * [backup-simplify]: Simplify 1 into 1
4.422 * [taylor]: Taking taylor expansion of y in x
4.422 * [backup-simplify]: Simplify y into y
4.422 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* 0.5 y)) in x
4.422 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
4.422 * [taylor]: Taking taylor expansion of 1.0 in x
4.422 * [backup-simplify]: Simplify 1.0 into 1.0
4.422 * [taylor]: Taking taylor expansion of x in x
4.422 * [backup-simplify]: Simplify 0 into 0
4.422 * [backup-simplify]: Simplify 1 into 1
4.422 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
4.422 * [taylor]: Taking taylor expansion of 0.5 in x
4.422 * [backup-simplify]: Simplify 0.5 into 0.5
4.422 * [taylor]: Taking taylor expansion of y in x
4.422 * [backup-simplify]: Simplify y into y
4.422 * [taylor]: Taking taylor expansion of (- (* x y) (+ (* 1.0 x) (* 0.5 y))) in x
4.422 * [taylor]: Taking taylor expansion of (* x y) in x
4.422 * [taylor]: Taking taylor expansion of x in x
4.422 * [backup-simplify]: Simplify 0 into 0
4.422 * [backup-simplify]: Simplify 1 into 1
4.422 * [taylor]: Taking taylor expansion of y in x
4.422 * [backup-simplify]: Simplify y into y
4.422 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (* 0.5 y)) in x
4.422 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
4.422 * [taylor]: Taking taylor expansion of 1.0 in x
4.422 * [backup-simplify]: Simplify 1.0 into 1.0
4.422 * [taylor]: Taking taylor expansion of x in x
4.422 * [backup-simplify]: Simplify 0 into 0
4.422 * [backup-simplify]: Simplify 1 into 1
4.422 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
4.422 * [taylor]: Taking taylor expansion of 0.5 in x
4.422 * [backup-simplify]: Simplify 0.5 into 0.5
4.422 * [taylor]: Taking taylor expansion of y in x
4.422 * [backup-simplify]: Simplify y into y
4.423 * [backup-simplify]: Simplify (* 0 y) into 0
4.423 * [backup-simplify]: Simplify (* 1.0 0) into 0
4.423 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y)
4.423 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y)
4.423 * [backup-simplify]: Simplify (- (* 0.5 y)) into (- (* 0.5 y))
4.423 * [backup-simplify]: Simplify (+ 0 (- (* 0.5 y))) into (- (* 0.5 y))
4.423 * [taylor]: Taking taylor expansion of (- (* 0.5 y)) in y
4.423 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
4.423 * [taylor]: Taking taylor expansion of 0.5 in y
4.423 * [backup-simplify]: Simplify 0.5 into 0.5
4.423 * [taylor]: Taking taylor expansion of y in y
4.423 * [backup-simplify]: Simplify 0 into 0
4.423 * [backup-simplify]: Simplify 1 into 1
4.424 * [backup-simplify]: Simplify (* 0.5 0) into 0
4.424 * [backup-simplify]: Simplify (- 0) into 0
4.424 * [backup-simplify]: Simplify 0 into 0
4.424 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
4.425 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
4.425 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0
4.426 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
4.426 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
4.426 * [backup-simplify]: Simplify (+ y (- 1.0)) into (- y 1.0)
4.426 * [taylor]: Taking taylor expansion of (- y 1.0) in y
4.426 * [taylor]: Taking taylor expansion of y in y
4.426 * [backup-simplify]: Simplify 0 into 0
4.426 * [backup-simplify]: Simplify 1 into 1
4.426 * [taylor]: Taking taylor expansion of 1.0 in y
4.426 * [backup-simplify]: Simplify 1.0 into 1.0
4.426 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
4.427 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
4.427 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
4.428 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
4.428 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.429 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.429 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
4.430 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
4.430 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0
4.430 * [backup-simplify]: Simplify (+ 0 0) into 0
4.431 * [backup-simplify]: Simplify (- 0) into 0
4.431 * [backup-simplify]: Simplify (+ 0 0) into 0
4.431 * [taylor]: Taking taylor expansion of 0 in y
4.431 * [backup-simplify]: Simplify 0 into 0
4.431 * [backup-simplify]: Simplify 0 into 0
4.435 * [backup-simplify]: Simplify (- 0) into 0
4.435 * [backup-simplify]: Simplify (+ 1 0) into 1
4.436 * [backup-simplify]: Simplify 1 into 1
4.437 * [backup-simplify]: Simplify (+ (* 1 (* y x)) (+ (* (- 0.5) (* y 1)) (* (- 1.0) (* 1 x)))) into (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
4.437 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 1 y)) (* 1.0 (- (/ 1 x)))) (* (/ 1 y) 0.5)) into (- (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))))
4.437 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in (x y) around 0
4.437 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in y
4.437 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
4.437 * [taylor]: Taking taylor expansion of (* x y) in y
4.437 * [taylor]: Taking taylor expansion of x in y
4.438 * [backup-simplify]: Simplify x into x
4.438 * [taylor]: Taking taylor expansion of y in y
4.438 * [backup-simplify]: Simplify 0 into 0
4.438 * [backup-simplify]: Simplify 1 into 1
4.438 * [backup-simplify]: Simplify (* x 0) into 0
4.438 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
4.438 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.438 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))) in y
4.438 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y
4.438 * [taylor]: Taking taylor expansion of 1.0 in y
4.438 * [backup-simplify]: Simplify 1.0 into 1.0
4.438 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.438 * [taylor]: Taking taylor expansion of x in y
4.438 * [backup-simplify]: Simplify x into x
4.438 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.438 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
4.438 * [taylor]: Taking taylor expansion of 0.5 in y
4.439 * [backup-simplify]: Simplify 0.5 into 0.5
4.439 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.439 * [taylor]: Taking taylor expansion of y in y
4.439 * [backup-simplify]: Simplify 0 into 0
4.439 * [backup-simplify]: Simplify 1 into 1
4.439 * [backup-simplify]: Simplify (/ 1 1) into 1
4.439 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
4.439 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
4.439 * [taylor]: Taking taylor expansion of (* x y) in x
4.439 * [taylor]: Taking taylor expansion of x in x
4.439 * [backup-simplify]: Simplify 0 into 0
4.439 * [backup-simplify]: Simplify 1 into 1
4.439 * [taylor]: Taking taylor expansion of y in x
4.439 * [backup-simplify]: Simplify y into y
4.439 * [backup-simplify]: Simplify (* 0 y) into 0
4.440 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
4.440 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.440 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))) in x
4.440 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
4.440 * [taylor]: Taking taylor expansion of 1.0 in x
4.440 * [backup-simplify]: Simplify 1.0 into 1.0
4.440 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.440 * [taylor]: Taking taylor expansion of x in x
4.440 * [backup-simplify]: Simplify 0 into 0
4.440 * [backup-simplify]: Simplify 1 into 1
4.440 * [backup-simplify]: Simplify (/ 1 1) into 1
4.440 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
4.441 * [taylor]: Taking taylor expansion of 0.5 in x
4.441 * [backup-simplify]: Simplify 0.5 into 0.5
4.441 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.441 * [taylor]: Taking taylor expansion of y in x
4.441 * [backup-simplify]: Simplify y into y
4.441 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.441 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
4.441 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
4.441 * [taylor]: Taking taylor expansion of (* x y) in x
4.441 * [taylor]: Taking taylor expansion of x in x
4.441 * [backup-simplify]: Simplify 0 into 0
4.441 * [backup-simplify]: Simplify 1 into 1
4.441 * [taylor]: Taking taylor expansion of y in x
4.441 * [backup-simplify]: Simplify y into y
4.441 * [backup-simplify]: Simplify (* 0 y) into 0
4.441 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
4.442 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.442 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))) in x
4.442 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
4.442 * [taylor]: Taking taylor expansion of 1.0 in x
4.442 * [backup-simplify]: Simplify 1.0 into 1.0
4.442 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.442 * [taylor]: Taking taylor expansion of x in x
4.442 * [backup-simplify]: Simplify 0 into 0
4.442 * [backup-simplify]: Simplify 1 into 1
4.442 * [backup-simplify]: Simplify (/ 1 1) into 1
4.442 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
4.442 * [taylor]: Taking taylor expansion of 0.5 in x
4.442 * [backup-simplify]: Simplify 0.5 into 0.5
4.442 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.442 * [taylor]: Taking taylor expansion of y in x
4.442 * [backup-simplify]: Simplify y into y
4.442 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.443 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
4.443 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
4.444 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
4.444 * [backup-simplify]: Simplify (+ (/ 1 y) (- 1.0)) into (- (/ 1 y) 1.0)
4.444 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y
4.444 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.444 * [taylor]: Taking taylor expansion of y in y
4.444 * [backup-simplify]: Simplify 0 into 0
4.444 * [backup-simplify]: Simplify 1 into 1
4.445 * [backup-simplify]: Simplify (/ 1 1) into 1
4.445 * [taylor]: Taking taylor expansion of 1.0 in y
4.445 * [backup-simplify]: Simplify 1.0 into 1.0
4.445 * [backup-simplify]: Simplify (+ 1 0) into 1
4.445 * [backup-simplify]: Simplify 1 into 1
4.446 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
4.446 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.447 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.448 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
4.448 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
4.448 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
4.448 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y)))
4.448 * [backup-simplify]: Simplify (+ 0 (- (* 0.5 (/ 1 y)))) into (- (* 0.5 (/ 1 y)))
4.448 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y
4.448 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
4.448 * [taylor]: Taking taylor expansion of 0.5 in y
4.448 * [backup-simplify]: Simplify 0.5 into 0.5
4.449 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.449 * [taylor]: Taking taylor expansion of y in y
4.449 * [backup-simplify]: Simplify 0 into 0
4.449 * [backup-simplify]: Simplify 1 into 1
4.449 * [backup-simplify]: Simplify (/ 1 1) into 1
4.449 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
4.450 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.450 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
4.451 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.451 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
4.452 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
4.453 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
4.454 * [backup-simplify]: Simplify (+ (* (- 1.0) (* 1 (/ 1 (/ 1 x)))) (+ (* (- 0.5) (* (/ 1 (/ 1 y)) 1)) (* 1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x)))))) into (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
4.454 * [backup-simplify]: Simplify (- (+ (* (/ 1 (- x)) (/ 1 (- y))) (* 1.0 (- (/ 1 (- x))))) (* (/ 1 (- y)) 0.5)) into (+ (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))))
4.454 * [approximate]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in (x y) around 0
4.454 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in y
4.454 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
4.454 * [taylor]: Taking taylor expansion of (* x y) in y
4.455 * [taylor]: Taking taylor expansion of x in y
4.455 * [backup-simplify]: Simplify x into x
4.455 * [taylor]: Taking taylor expansion of y in y
4.455 * [backup-simplify]: Simplify 0 into 0
4.455 * [backup-simplify]: Simplify 1 into 1
4.455 * [backup-simplify]: Simplify (* x 0) into 0
4.455 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
4.455 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.455 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))) in y
4.455 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y
4.455 * [taylor]: Taking taylor expansion of 1.0 in y
4.455 * [backup-simplify]: Simplify 1.0 into 1.0
4.455 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.455 * [taylor]: Taking taylor expansion of x in y
4.455 * [backup-simplify]: Simplify x into x
4.455 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
4.455 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
4.456 * [taylor]: Taking taylor expansion of 0.5 in y
4.456 * [backup-simplify]: Simplify 0.5 into 0.5
4.456 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.456 * [taylor]: Taking taylor expansion of y in y
4.456 * [backup-simplify]: Simplify 0 into 0
4.456 * [backup-simplify]: Simplify 1 into 1
4.456 * [backup-simplify]: Simplify (/ 1 1) into 1
4.456 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
4.456 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
4.456 * [taylor]: Taking taylor expansion of (* x y) in x
4.456 * [taylor]: Taking taylor expansion of x in x
4.456 * [backup-simplify]: Simplify 0 into 0
4.456 * [backup-simplify]: Simplify 1 into 1
4.456 * [taylor]: Taking taylor expansion of y in x
4.456 * [backup-simplify]: Simplify y into y
4.456 * [backup-simplify]: Simplify (* 0 y) into 0
4.457 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
4.457 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.457 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))) in x
4.457 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
4.457 * [taylor]: Taking taylor expansion of 1.0 in x
4.457 * [backup-simplify]: Simplify 1.0 into 1.0
4.457 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.457 * [taylor]: Taking taylor expansion of x in x
4.457 * [backup-simplify]: Simplify 0 into 0
4.457 * [backup-simplify]: Simplify 1 into 1
4.458 * [backup-simplify]: Simplify (/ 1 1) into 1
4.458 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
4.458 * [taylor]: Taking taylor expansion of 0.5 in x
4.458 * [backup-simplify]: Simplify 0.5 into 0.5
4.458 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.458 * [taylor]: Taking taylor expansion of y in x
4.458 * [backup-simplify]: Simplify y into y
4.458 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.458 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y)))) in x
4.458 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
4.458 * [taylor]: Taking taylor expansion of (* x y) in x
4.458 * [taylor]: Taking taylor expansion of x in x
4.458 * [backup-simplify]: Simplify 0 into 0
4.458 * [backup-simplify]: Simplify 1 into 1
4.458 * [taylor]: Taking taylor expansion of y in x
4.458 * [backup-simplify]: Simplify y into y
4.458 * [backup-simplify]: Simplify (* 0 y) into 0
4.459 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
4.459 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.459 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (* 0.5 (/ 1 y))) in x
4.459 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
4.459 * [taylor]: Taking taylor expansion of 1.0 in x
4.459 * [backup-simplify]: Simplify 1.0 into 1.0
4.459 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.459 * [taylor]: Taking taylor expansion of x in x
4.459 * [backup-simplify]: Simplify 0 into 0
4.459 * [backup-simplify]: Simplify 1 into 1
4.460 * [backup-simplify]: Simplify (/ 1 1) into 1
4.460 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
4.460 * [taylor]: Taking taylor expansion of 0.5 in x
4.460 * [backup-simplify]: Simplify 0.5 into 0.5
4.460 * [taylor]: Taking taylor expansion of (/ 1 y) in x
4.460 * [taylor]: Taking taylor expansion of y in x
4.460 * [backup-simplify]: Simplify y into y
4.460 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
4.460 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
4.461 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
4.461 * [backup-simplify]: Simplify (+ (/ 1 y) 1.0) into (+ 1.0 (/ 1 y))
4.461 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 y)) in y
4.461 * [taylor]: Taking taylor expansion of 1.0 in y
4.461 * [backup-simplify]: Simplify 1.0 into 1.0
4.461 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.461 * [taylor]: Taking taylor expansion of y in y
4.461 * [backup-simplify]: Simplify 0 into 0
4.461 * [backup-simplify]: Simplify 1 into 1
4.461 * [backup-simplify]: Simplify (/ 1 1) into 1
4.462 * [backup-simplify]: Simplify (+ 0 1) into 1
4.462 * [backup-simplify]: Simplify 1 into 1
4.463 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
4.463 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
4.464 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.464 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
4.465 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
4.465 * [backup-simplify]: Simplify (+ 0 (/ 0.5 y)) into (* 0.5 (/ 1 y))
4.465 * [backup-simplify]: Simplify (+ 0 (* 0.5 (/ 1 y))) into (* 0.5 (/ 1 y))
4.465 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
4.465 * [taylor]: Taking taylor expansion of 0.5 in y
4.465 * [backup-simplify]: Simplify 0.5 into 0.5
4.465 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.465 * [taylor]: Taking taylor expansion of y in y
4.465 * [backup-simplify]: Simplify 0 into 0
4.465 * [backup-simplify]: Simplify 1 into 1
4.466 * [backup-simplify]: Simplify (/ 1 1) into 1
4.466 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
4.466 * [backup-simplify]: Simplify 0.5 into 0.5
4.467 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
4.467 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
4.467 * [backup-simplify]: Simplify 1.0 into 1.0
4.468 * [backup-simplify]: Simplify (+ (* 1.0 (* 1 (/ 1 (/ 1 (- x))))) (+ (* 0.5 (* (/ 1 (/ 1 (- y))) 1)) (* 1 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x))))))) into (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
4.468 * * * [progress]: simplifying candidates
4.469 * [simplify]: Simplifying:
  (/ (* (exp (* x y)) (exp (* 1.0 (- x)))) (exp (* y 0.5)))
  (/ (exp (+ (* x y) (* 1.0 (- x)))) (exp (* y 0.5)))
  (log (- (+ (* x y) (* 1.0 (- x))) (* y 0.5)))
  (exp (- (+ (* x y) (* 1.0 (- x))) (* y 0.5)))
  (* (cbrt (- (+ (* x y) (* 1.0 (- x))) (* y 0.5))) (cbrt (- (+ (* x y) (* 1.0 (- x))) (* y 0.5))))
  (cbrt (- (+ (* x y) (* 1.0 (- x))) (* y 0.5)))
  (* (* (- (+ (* x y) (* 1.0 (- x))) (* y 0.5)) (- (+ (* x y) (* 1.0 (- x))) (* y 0.5))) (- (+ (* x y) (* 1.0 (- x))) (* y 0.5)))
  (sqrt (- (+ (* x y) (* 1.0 (- x))) (* y 0.5)))
  (sqrt (- (+ (* x y) (* 1.0 (- x))) (* y 0.5)))
  (- (pow (+ (* x y) (* 1.0 (- x))) 3) (pow (* y 0.5) 3))
  (+ (* (+ (* x y) (* 1.0 (- x))) (+ (* x y) (* 1.0 (- x)))) (+ (* (* y 0.5) (* y 0.5)) (* (+ (* x y) (* 1.0 (- x))) (* y 0.5))))
  (- (* y 0.5))
  (- (* (+ (* x y) (* 1.0 (- x))) (+ (* x y) (* 1.0 (- x)))) (* (* y 0.5) (* y 0.5)))
  (+ (+ (* x y) (* 1.0 (- x))) (* y 0.5))
  (- (* 1.0 (- x)) (* y 0.5))
  (+ (* 1.0 x) (* y 0.5))
  (+ (* 1.0 x) (* y 0.5))
  (- (* y 0.5))
  (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
  (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
  (- (* x y) (+ (* 1.0 x) (* 0.5 y)))
4.469 * * [simplify]: iteration 0: 42 enodes
4.484 * * [simplify]: iteration 1: 113 enodes
4.511 * * [simplify]: iteration 2: 416 enodes
4.779 * * [simplify]: iteration 3: 2581 enodes
6.114 * * [simplify]: iteration complete: 5001 enodes
6.114 * * [simplify]: Extracting #0: cost 14 inf + 0
6.115 * * [simplify]: Extracting #1: cost 225 inf + 0
6.117 * * [simplify]: Extracting #2: cost 1252 inf + 13
6.123 * * [simplify]: Extracting #3: cost 1549 inf + 1308
6.133 * * [simplify]: Extracting #4: cost 679 inf + 15589
6.145 * * [simplify]: Extracting #5: cost 136 inf + 24667
6.159 * * [simplify]: Extracting #6: cost 10 inf + 26189
6.165 * * [simplify]: Extracting #7: cost 0 inf + 26269
6.170 * [simplify]: Simplified to:
  (exp (- (* x (- y 1.0)) (* y 0.5)))
  (exp (- (* x (- y 1.0)) (* y 0.5)))
  (log (- (* x (- y 1.0)) (* y 0.5)))
  (exp (- (* x (- y 1.0)) (* y 0.5)))
  (* (cbrt (- (* x (- y 1.0)) (* y 0.5))) (cbrt (- (* x (- y 1.0)) (* y 0.5))))
  (cbrt (- (* x (- y 1.0)) (* y 0.5)))
  (pow (- (* x (- y 1.0)) (* y 0.5)) 3)
  (sqrt (- (* x (- y 1.0)) (* y 0.5)))
  (sqrt (- (* x (- y 1.0)) (* y 0.5)))
  (- (pow (* x (- y 1.0)) 3) (pow (* y 0.5) 3))
  (+ (* (* x (- y 1.0)) (+ (* y 0.5) (* x (- y 1.0)))) (* (* y 0.5) (* y 0.5)))
  (* (- 0.5) y)
  (* (+ (* x (- y 1.0)) (* y 0.5)) (- (* x (- y 1.0)) (* y 0.5)))
  (+ (* x (- y 1.0)) (* y 0.5))
  (- (* (- 1.0) x) (* y 0.5))
  (+ (* y 0.5) (* 1.0 x))
  (+ (* y 0.5) (* 1.0 x))
  (* (- 0.5) y)
  (- (* x (- y 1.0)) (* y 0.5))
  (- (* x (- y 1.0)) (* y 0.5))
  (- (* x (- y 1.0)) (* y 0.5))
6.171 * * * [progress]: adding candidates to table
6.254 * [progress]: [Phase 3 of 3] Extracting.
6.258 * [simplify]: Simplifying:
  (+ (- (+ (* x y) (* 1.0 (- x))) (* y 0.5)) 0.918938533204673)
6.258 * * [simplify]: iteration 0: 12 enodes
6.259 * * [simplify]: iteration 1: 19 enodes
6.260 * * [simplify]: iteration 2: 23 enodes
6.261 * * [simplify]: iteration 3: 24 enodes
6.262 * * [simplify]: iteration complete: 24 enodes
6.262 * * [simplify]: Extracting #0: cost 1 inf + 0
6.262 * * [simplify]: Extracting #1: cost 3 inf + 0
6.262 * * [simplify]: Extracting #2: cost 4 inf + 1
6.262 * * [simplify]: Extracting #3: cost 8 inf + 1
6.263 * * [simplify]: Extracting #4: cost 10 inf + 6
6.263 * * [simplify]: Extracting #5: cost 8 inf + 8
6.263 * * [simplify]: Extracting #6: cost 3 inf + 22
6.263 * * [simplify]: Extracting #7: cost 0 inf + 56
6.263 * [simplify]: Simplified to:
  (+ 0.918938533204673 (- (+ (* 1.0 (- x)) (* x y)) (* y 0.5)))
7.486 * [regime-testing]: Baseline error score: 0.010001250156269533
7.490 * [regime-testing]: Oracle error score: 0.010001250156269533
7.490 * [regime-testing]: End program error score: 0.010001250156269533