16.255 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.023 * * * [progress]: [2/2] Setting up program. 0.028 * [progress]: [Phase 2 of 3] Improving. 0.029 * [simplify]: Simplifying: (+ x (/ (- y x) 2.0)) 0.029 * * [simplify]: Extracting # 0 : cost 0 0.029 * * [simplify]: Extracting # 1 : cost 0 0.029 * * [simplify]: Extracting # 2 : cost 0 0.029 * * [simplify]: Extracting # 3 : cost 0 0.029 * * [simplify]: Extracting # 4 : cost 0 0.029 * * [simplify]: Extracting # 5 : cost 0 0.029 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.031 * * [simplify]: Extracting # 0 : cost 0 0.031 * * [simplify]: Extracting # 1 : cost 0 0.031 * * [simplify]: Extracting # 2 : cost 0 0.031 * * [simplify]: iteration 1 : 12 enodes (cost 7 ) 0.035 * * [simplify]: Extracting # 0 : cost 0 0.035 * * [simplify]: Extracting # 1 : cost 0 0.035 * * [simplify]: Extracting # 2 : cost 0 0.035 * * [simplify]: iteration 2 : 19 enodes (cost 7 ) 0.041 * * [simplify]: Extracting # 0 : cost 0 0.041 * * [simplify]: Extracting # 1 : cost 0 0.041 * * [simplify]: Extracting # 2 : cost 0 0.041 * * [simplify]: iteration 3 : 28 enodes (cost 7 ) 0.048 * * [simplify]: Extracting # 0 : cost 0 0.048 * * [simplify]: Extracting # 1 : cost 0 0.049 * * [simplify]: Extracting # 2 : cost 0 0.049 * * [simplify]: iteration 4 : 39 enodes (cost 7 ) 0.059 * * [simplify]: Extracting # 0 : cost 0 0.059 * * [simplify]: Extracting # 1 : cost 0 0.059 * * [simplify]: Extracting # 2 : cost 0 0.060 * * [simplify]: iteration 5 : 96 enodes (cost 7 ) 0.089 * * [simplify]: Extracting # 0 : cost 0 0.089 * * [simplify]: Extracting # 1 : cost 0 0.089 * * [simplify]: Extracting # 2 : cost 0 0.089 * * [simplify]: iteration 6 : 220 enodes (cost 7 ) 0.164 * * [simplify]: Extracting # 0 : cost 0 0.164 * * [simplify]: Extracting # 1 : cost 0 0.165 * * [simplify]: Extracting # 2 : cost 0 0.166 * * [simplify]: iteration 7 : 607 enodes (cost 7 ) 0.673 * * [simplify]: Extracting # 0 : cost 0 0.676 * * [simplify]: Extracting # 1 : cost 0 0.680 * * [simplify]: Extracting # 2 : cost 0 0.685 * * [simplify]: iteration 8 : 2030 enodes (cost 7 ) 1.642 * * [simplify]: Extracting # 0 : cost 0 1.649 * * [simplify]: Extracting # 1 : cost 0 1.657 * * [simplify]: Extracting # 2 : cost 0 1.665 * * [simplify]: iteration done: 5001 enodes (cost 7 ) 1.665 * [simplify]: Simplified to: (+ x (/ (- y x) 2.0)) 1.666 * * [progress]: iteration 1 / 4 1.666 * * * [progress]: picking best candidate 1.670 * * * * [pick]: Picked # 1.670 * * * [progress]: localizing error 1.681 * * * [progress]: generating rewritten candidates 1.681 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 1.714 * * * [progress]: generating series expansions 1.714 * * * * [progress]: [ 1 / 1 ] generating series at (2) 1.714 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y)) 1.714 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0 1.714 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y 1.714 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 1.714 * [taylor]: Taking taylor expansion of 0.5 in y 1.714 * [backup-simplify]: Simplify 0.5 into 0.5 1.714 * [taylor]: Taking taylor expansion of x in y 1.714 * [backup-simplify]: Simplify x into x 1.714 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.714 * [taylor]: Taking taylor expansion of 0.5 in y 1.714 * [backup-simplify]: Simplify 0.5 into 0.5 1.714 * [taylor]: Taking taylor expansion of y in y 1.714 * [backup-simplify]: Simplify 0 into 0 1.714 * [backup-simplify]: Simplify 1 into 1 1.714 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.714 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.714 * [taylor]: Taking taylor expansion of 0.5 in x 1.714 * [backup-simplify]: Simplify 0.5 into 0.5 1.714 * [taylor]: Taking taylor expansion of x in x 1.714 * [backup-simplify]: Simplify 0 into 0 1.714 * [backup-simplify]: Simplify 1 into 1 1.714 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.714 * [taylor]: Taking taylor expansion of 0.5 in x 1.714 * [backup-simplify]: Simplify 0.5 into 0.5 1.715 * [taylor]: Taking taylor expansion of y in x 1.715 * [backup-simplify]: Simplify y into y 1.715 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.715 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.715 * [taylor]: Taking taylor expansion of 0.5 in x 1.715 * [backup-simplify]: Simplify 0.5 into 0.5 1.715 * [taylor]: Taking taylor expansion of x in x 1.715 * [backup-simplify]: Simplify 0 into 0 1.715 * [backup-simplify]: Simplify 1 into 1 1.715 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.715 * [taylor]: Taking taylor expansion of 0.5 in x 1.715 * [backup-simplify]: Simplify 0.5 into 0.5 1.715 * [taylor]: Taking taylor expansion of y in x 1.715 * [backup-simplify]: Simplify y into y 1.716 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.716 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y) 1.716 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y) 1.716 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.716 * [taylor]: Taking taylor expansion of 0.5 in y 1.716 * [backup-simplify]: Simplify 0.5 into 0.5 1.716 * [taylor]: Taking taylor expansion of y in y 1.716 * [backup-simplify]: Simplify 0 into 0 1.716 * [backup-simplify]: Simplify 1 into 1 1.717 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.717 * [backup-simplify]: Simplify 0 into 0 1.718 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.719 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0 1.729 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 1.729 * [taylor]: Taking taylor expansion of 0.5 in y 1.729 * [backup-simplify]: Simplify 0.5 into 0.5 1.729 * [backup-simplify]: Simplify 0.5 into 0.5 1.731 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.731 * [backup-simplify]: Simplify 0.5 into 0.5 1.732 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.732 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0 1.733 * [backup-simplify]: Simplify (+ 0 0) into 0 1.733 * [taylor]: Taking taylor expansion of 0 in y 1.733 * [backup-simplify]: Simplify 0 into 0 1.733 * [backup-simplify]: Simplify 0 into 0 1.733 * [backup-simplify]: Simplify 0 into 0 1.733 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.734 * [backup-simplify]: Simplify 0 into 0 1.734 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 1.735 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 1.736 * [backup-simplify]: Simplify (+ 0 0) into 0 1.736 * [taylor]: Taking taylor expansion of 0 in y 1.736 * [backup-simplify]: Simplify 0 into 0 1.736 * [backup-simplify]: Simplify 0 into 0 1.736 * [backup-simplify]: Simplify 0 into 0 1.736 * [backup-simplify]: Simplify 0 into 0 1.736 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y)) 1.736 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) 1.736 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (x y) around 0 1.736 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 1.736 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.736 * [taylor]: Taking taylor expansion of 0.5 in y 1.736 * [backup-simplify]: Simplify 0.5 into 0.5 1.736 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.736 * [taylor]: Taking taylor expansion of y in y 1.736 * [backup-simplify]: Simplify 0 into 0 1.736 * [backup-simplify]: Simplify 1 into 1 1.737 * [backup-simplify]: Simplify (/ 1 1) into 1 1.737 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 1.737 * [taylor]: Taking taylor expansion of 0.5 in y 1.737 * [backup-simplify]: Simplify 0.5 into 0.5 1.737 * [taylor]: Taking taylor expansion of (/ 1 x) in y 1.737 * [taylor]: Taking taylor expansion of x in y 1.737 * [backup-simplify]: Simplify x into x 1.737 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.737 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.737 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.737 * [taylor]: Taking taylor expansion of 0.5 in x 1.737 * [backup-simplify]: Simplify 0.5 into 0.5 1.737 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.737 * [taylor]: Taking taylor expansion of y in x 1.737 * [backup-simplify]: Simplify y into y 1.737 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.737 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.737 * [taylor]: Taking taylor expansion of 0.5 in x 1.737 * [backup-simplify]: Simplify 0.5 into 0.5 1.737 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.737 * [taylor]: Taking taylor expansion of x in x 1.737 * [backup-simplify]: Simplify 0 into 0 1.737 * [backup-simplify]: Simplify 1 into 1 1.738 * [backup-simplify]: Simplify (/ 1 1) into 1 1.738 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.738 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.738 * [taylor]: Taking taylor expansion of 0.5 in x 1.738 * [backup-simplify]: Simplify 0.5 into 0.5 1.738 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.738 * [taylor]: Taking taylor expansion of y in x 1.738 * [backup-simplify]: Simplify y into y 1.738 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.738 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.738 * [taylor]: Taking taylor expansion of 0.5 in x 1.738 * [backup-simplify]: Simplify 0.5 into 0.5 1.738 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.738 * [taylor]: Taking taylor expansion of x in x 1.738 * [backup-simplify]: Simplify 0 into 0 1.738 * [backup-simplify]: Simplify 1 into 1 1.738 * [backup-simplify]: Simplify (/ 1 1) into 1 1.739 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.739 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 1.739 * [taylor]: Taking taylor expansion of 0.5 in y 1.739 * [backup-simplify]: Simplify 0.5 into 0.5 1.739 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.740 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.741 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.741 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 1.741 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.741 * [taylor]: Taking taylor expansion of 0.5 in y 1.741 * [backup-simplify]: Simplify 0.5 into 0.5 1.741 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.741 * [taylor]: Taking taylor expansion of y in y 1.741 * [backup-simplify]: Simplify 0 into 0 1.741 * [backup-simplify]: Simplify 1 into 1 1.741 * [backup-simplify]: Simplify (/ 1 1) into 1 1.742 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.742 * [backup-simplify]: Simplify 0.5 into 0.5 1.742 * [backup-simplify]: Simplify 0.5 into 0.5 1.742 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.742 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.743 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.744 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.744 * [backup-simplify]: Simplify (+ 0 0) into 0 1.744 * [taylor]: Taking taylor expansion of 0 in y 1.744 * [backup-simplify]: Simplify 0 into 0 1.745 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.745 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.745 * [backup-simplify]: Simplify 0 into 0 1.745 * [backup-simplify]: Simplify 0 into 0 1.746 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.746 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.747 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.748 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.748 * [backup-simplify]: Simplify (+ 0 0) into 0 1.748 * [taylor]: Taking taylor expansion of 0 in y 1.748 * [backup-simplify]: Simplify 0 into 0 1.748 * [backup-simplify]: Simplify 0 into 0 1.749 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.750 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.750 * [backup-simplify]: Simplify 0 into 0 1.750 * [backup-simplify]: Simplify 0 into 0 1.750 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.751 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.752 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.753 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.753 * [backup-simplify]: Simplify (+ 0 0) into 0 1.753 * [taylor]: Taking taylor expansion of 0 in y 1.753 * [backup-simplify]: Simplify 0 into 0 1.753 * [backup-simplify]: Simplify 0 into 0 1.754 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.754 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) 1.754 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in (x y) around 0 1.754 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in y 1.754 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 1.754 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.754 * [taylor]: Taking taylor expansion of 0.5 in y 1.754 * [backup-simplify]: Simplify 0.5 into 0.5 1.754 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.754 * [taylor]: Taking taylor expansion of y in y 1.754 * [backup-simplify]: Simplify 0 into 0 1.754 * [backup-simplify]: Simplify 1 into 1 1.755 * [backup-simplify]: Simplify (/ 1 1) into 1 1.755 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 1.755 * [taylor]: Taking taylor expansion of 0.5 in y 1.755 * [backup-simplify]: Simplify 0.5 into 0.5 1.755 * [taylor]: Taking taylor expansion of (/ 1 x) in y 1.755 * [taylor]: Taking taylor expansion of x in y 1.755 * [backup-simplify]: Simplify x into x 1.755 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.755 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 1.755 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.755 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.755 * [taylor]: Taking taylor expansion of 0.5 in x 1.755 * [backup-simplify]: Simplify 0.5 into 0.5 1.755 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.755 * [taylor]: Taking taylor expansion of y in x 1.755 * [backup-simplify]: Simplify y into y 1.755 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.755 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.755 * [taylor]: Taking taylor expansion of 0.5 in x 1.755 * [backup-simplify]: Simplify 0.5 into 0.5 1.755 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.755 * [taylor]: Taking taylor expansion of x in x 1.755 * [backup-simplify]: Simplify 0 into 0 1.755 * [backup-simplify]: Simplify 1 into 1 1.755 * [backup-simplify]: Simplify (/ 1 1) into 1 1.756 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 1.756 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.756 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.756 * [taylor]: Taking taylor expansion of 0.5 in x 1.756 * [backup-simplify]: Simplify 0.5 into 0.5 1.756 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.756 * [taylor]: Taking taylor expansion of y in x 1.756 * [backup-simplify]: Simplify y into y 1.756 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.756 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.756 * [taylor]: Taking taylor expansion of 0.5 in x 1.756 * [backup-simplify]: Simplify 0.5 into 0.5 1.756 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.756 * [taylor]: Taking taylor expansion of x in x 1.756 * [backup-simplify]: Simplify 0 into 0 1.756 * [backup-simplify]: Simplify 1 into 1 1.756 * [backup-simplify]: Simplify (/ 1 1) into 1 1.757 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.757 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 1.757 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.757 * [taylor]: Taking taylor expansion of (- 0.5) in y 1.757 * [taylor]: Taking taylor expansion of 0.5 in y 1.758 * [backup-simplify]: Simplify 0.5 into 0.5 1.758 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.758 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.759 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.759 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 1.759 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y))) 1.759 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 1.759 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.759 * [taylor]: Taking taylor expansion of 0.5 in y 1.759 * [backup-simplify]: Simplify 0.5 into 0.5 1.759 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.759 * [taylor]: Taking taylor expansion of y in y 1.759 * [backup-simplify]: Simplify 0 into 0 1.759 * [backup-simplify]: Simplify 1 into 1 1.759 * [backup-simplify]: Simplify (/ 1 1) into 1 1.760 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.760 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.760 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.761 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.761 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.761 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.762 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.762 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.763 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.763 * [backup-simplify]: Simplify (+ 0 0) into 0 1.764 * [backup-simplify]: Simplify (- 0) into 0 1.764 * [taylor]: Taking taylor expansion of 0 in y 1.764 * [backup-simplify]: Simplify 0 into 0 1.764 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.765 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.765 * [backup-simplify]: Simplify (- 0) into 0 1.765 * [backup-simplify]: Simplify 0 into 0 1.766 * [backup-simplify]: Simplify (- 0) into 0 1.766 * [backup-simplify]: Simplify 0 into 0 1.766 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.767 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.767 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.768 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.768 * [backup-simplify]: Simplify (+ 0 0) into 0 1.769 * [backup-simplify]: Simplify (- 0) into 0 1.769 * [taylor]: Taking taylor expansion of 0 in y 1.769 * [backup-simplify]: Simplify 0 into 0 1.769 * [backup-simplify]: Simplify 0 into 0 1.770 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.770 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.771 * [backup-simplify]: Simplify (- 0) into 0 1.771 * [backup-simplify]: Simplify 0 into 0 1.771 * [backup-simplify]: Simplify (- 0) into 0 1.771 * [backup-simplify]: Simplify 0 into 0 1.771 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.772 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.773 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.774 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.774 * [backup-simplify]: Simplify (+ 0 0) into 0 1.775 * [backup-simplify]: Simplify (- 0) into 0 1.775 * [taylor]: Taking taylor expansion of 0 in y 1.775 * [backup-simplify]: Simplify 0 into 0 1.775 * [backup-simplify]: Simplify 0 into 0 1.776 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.776 * * * [progress]: simplifying candidates 1.776 * [simplify]: Simplifying: (expm1 (+ x (/ (- y x) 2.0))) (log1p (+ x (/ (- y x) 2.0))) (* (exp x) (exp (/ (- y x) 2.0))) (log (+ x (/ (- y x) 2.0))) (exp (+ x (/ (- y x) 2.0))) (* (cbrt (+ x (/ (- y x) 2.0))) (cbrt (+ x (/ (- y x) 2.0)))) (cbrt (+ x (/ (- y x) 2.0))) (* (* (+ x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0))) (+ x (/ (- y x) 2.0))) (sqrt (+ x (/ (- y x) 2.0))) (sqrt (+ x (/ (- y x) 2.0))) (+ (pow x 3) (pow (/ (- y x) 2.0) 3)) (+ (* x x) (- (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (* x (/ (- y x) 2.0)))) (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0))) (- x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0)) (+ x (/ y 2.0)) (+ (* 0.5 x) (* 0.5 y)) (+ (* 0.5 x) (* 0.5 y)) (+ (* 0.5 x) (* 0.5 y)) 1.777 * * [simplify]: Extracting # 0 : cost 0 1.777 * * [simplify]: Extracting # 1 : cost 0 1.777 * * [simplify]: Extracting # 2 : cost 0 1.777 * * [simplify]: Extracting # 3 : cost 0 1.777 * * [simplify]: Extracting # 4 : cost 0 1.777 * * [simplify]: Extracting # 5 : cost 0 1.777 * * [simplify]: Extracting # 6 : cost 0 1.777 * * [simplify]: iteration 0 : 35 enodes (cost 194 ) 1.788 * * [simplify]: Extracting # 0 : cost 0 1.788 * * [simplify]: Extracting # 1 : cost 0 1.788 * * [simplify]: Extracting # 2 : cost 0 1.788 * * [simplify]: Extracting # 3 : cost 0 1.788 * * [simplify]: Extracting # 4 : cost 0 1.789 * * [simplify]: iteration 1 : 98 enodes (cost 180 ) 1.824 * * [simplify]: Extracting # 0 : cost 0 1.824 * * [simplify]: Extracting # 1 : cost 0 1.825 * * [simplify]: Extracting # 2 : cost 0 1.825 * * [simplify]: Extracting # 3 : cost 0 1.826 * * [simplify]: iteration 2 : 269 enodes (cost 166 ) 1.952 * * [simplify]: Extracting # 0 : cost 0 1.953 * * [simplify]: Extracting # 1 : cost 0 1.955 * * [simplify]: Extracting # 2 : cost 0 1.956 * * [simplify]: Extracting # 3 : cost 0 1.957 * * [simplify]: Extracting # 4 : cost 0 1.958 * * [simplify]: iteration 3 : 872 enodes (cost 166 ) 2.473 * * [simplify]: Extracting # 0 : cost 0 2.481 * * [simplify]: Extracting # 1 : cost 0 2.492 * * [simplify]: Extracting # 2 : cost 0 2.503 * * [simplify]: Extracting # 3 : cost 0 2.513 * * [simplify]: Extracting # 4 : cost 0 2.527 * * [simplify]: Extracting # 5 : cost 0 2.536 * * [simplify]: iteration done: 5000 enodes (cost 166 ) 2.536 * [simplify]: Simplified to: (expm1 (+ x (/ (- y x) 2.0))) (log1p (+ x (/ (- y x) 2.0))) (exp (+ x (/ (- y x) 2.0))) (log (+ x (/ (- y x) 2.0))) (exp (+ x (/ (- y x) 2.0))) (* (cbrt (+ x (/ (- y x) 2.0))) (cbrt (+ x (/ (- y x) 2.0)))) (cbrt (+ x (/ (- y x) 2.0))) (pow (+ x (/ (- y x) 2.0)) 3) (sqrt (+ x (/ (- y x) 2.0))) (sqrt (+ x (/ (- y x) 2.0))) (+ (pow x 3) (pow (/ (- y x) 2.0) 3)) (fma x x (* (/ (- y x) 2.0) (- (/ (- y x) 2.0) x))) (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0))) (- x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0)) (+ x (/ y 2.0)) (* 0.5 (+ x y)) (* 0.5 (+ x y)) (* 0.5 (+ x y)) 2.536 * * * [progress]: adding candidates to table 2.628 * * [progress]: iteration 2 / 4 2.628 * * * [progress]: picking best candidate 2.632 * * * * [pick]: Picked # 2.632 * * * [progress]: localizing error 2.639 * * * [progress]: generating rewritten candidates 2.639 * * * [progress]: generating series expansions 2.639 * * * [progress]: simplifying candidates 2.639 * [simplify]: Simplifying: 2.639 * * [simplify]: Extracting # 0 : cost 0 2.639 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 2.639 * * [simplify]: Extracting # 0 : cost 0 2.639 * * [simplify]: iteration done: 0 enodes (cost 0 ) 2.639 * [simplify]: Simplified to: 2.640 * * * [progress]: adding candidates to table 2.640 * [progress]: [Phase 3 of 3] Extracting. 2.643 * [simplify]: Simplifying: (* 0.5 (+ x y)) 2.643 * * [simplify]: Extracting # 0 : cost 0 2.643 * * [simplify]: Extracting # 1 : cost 0 2.643 * * [simplify]: Extracting # 2 : cost 0 2.643 * * [simplify]: Extracting # 3 : cost 0 2.643 * * [simplify]: Extracting # 4 : cost 0 2.643 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 2.644 * * [simplify]: Extracting # 0 : cost 0 2.644 * * [simplify]: iteration 1 : 7 enodes (cost 5 ) 2.644 * * [simplify]: Extracting # 0 : cost 0 2.644 * * [simplify]: iteration done: 7 enodes (cost 5 ) 2.644 * [simplify]: Simplified to: (* 0.5 (+ x y)) 3.599 * [regime-testing]: Baseline error score: 0 3.602 * [regime-testing]: Oracle error score: 0 3.602 * [regime-testing]: End program error score: 0 3.684 * [regime-testing]: Target error score: 0