34.857 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.019 * * * [progress]: [2/2] Setting up program. 0.023 * [progress]: [Phase 2 of 3] Improving. 0.023 * [simplify]: Simplifying: (+ x (/ (- y x) 2.0)) 0.023 * * [simplify]: Extracting # 0 : cost 0 0.023 * * [simplify]: Extracting # 1 : cost 0 0.023 * * [simplify]: Extracting # 2 : cost 0 0.023 * * [simplify]: Extracting # 3 : cost 0 0.023 * * [simplify]: Extracting # 4 : cost 0 0.023 * * [simplify]: Extracting # 5 : cost 0 0.023 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.024 * * [simplify]: Extracting # 0 : cost 0 0.024 * * [simplify]: Extracting # 1 : cost 0 0.024 * * [simplify]: Extracting # 2 : cost 0 0.024 * * [simplify]: iteration 1 : 12 enodes (cost 7 ) 0.026 * * [simplify]: Extracting # 0 : cost 0 0.026 * * [simplify]: Extracting # 1 : cost 0 0.026 * * [simplify]: Extracting # 2 : cost 0 0.026 * * [simplify]: iteration 2 : 19 enodes (cost 7 ) 0.029 * * [simplify]: Extracting # 0 : cost 0 0.029 * * [simplify]: Extracting # 1 : cost 0 0.029 * * [simplify]: Extracting # 2 : cost 0 0.029 * * [simplify]: iteration 3 : 28 enodes (cost 7 ) 0.034 * * [simplify]: Extracting # 0 : cost 0 0.035 * * [simplify]: Extracting # 1 : cost 0 0.035 * * [simplify]: Extracting # 2 : cost 0 0.035 * * [simplify]: iteration 4 : 39 enodes (cost 7 ) 0.043 * * [simplify]: Extracting # 0 : cost 0 0.043 * * [simplify]: Extracting # 1 : cost 0 0.043 * * [simplify]: Extracting # 2 : cost 0 0.044 * * [simplify]: iteration 5 : 96 enodes (cost 7 ) 0.060 * * [simplify]: Extracting # 0 : cost 0 0.060 * * [simplify]: Extracting # 1 : cost 0 0.060 * * [simplify]: Extracting # 2 : cost 0 0.060 * * [simplify]: iteration 6 : 220 enodes (cost 7 ) 0.126 * * [simplify]: Extracting # 0 : cost 0 0.126 * * [simplify]: Extracting # 1 : cost 0 0.127 * * [simplify]: Extracting # 2 : cost 0 0.128 * * [simplify]: iteration 7 : 607 enodes (cost 7 ) 0.850 * * [simplify]: Extracting # 0 : cost 0 0.853 * * [simplify]: Extracting # 1 : cost 0 0.856 * * [simplify]: Extracting # 2 : cost 0 0.862 * * [simplify]: iteration 8 : 2030 enodes (cost 7 ) 1.754 * * [simplify]: Extracting # 0 : cost 0 1.759 * * [simplify]: Extracting # 1 : cost 0 1.765 * * [simplify]: Extracting # 2 : cost 0 1.774 * * [simplify]: iteration done: 5001 enodes (cost 7 ) 1.774 * [simplify]: Simplified to: (+ x (/ (- y x) 2.0)) 1.775 * * [progress]: iteration 1 / 4 1.775 * * * [progress]: picking best candidate 1.779 * * * * [pick]: Picked # 1.779 * * * [progress]: localizing error 1.802 * * * [progress]: generating rewritten candidates 1.802 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 1.839 * * * [progress]: generating series expansions 1.839 * * * * [progress]: [ 1 / 1 ] generating series at (2) 1.839 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y)) 1.839 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0 1.839 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y 1.839 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 1.839 * [taylor]: Taking taylor expansion of 0.5 in y 1.839 * [backup-simplify]: Simplify 0.5 into 0.5 1.839 * [taylor]: Taking taylor expansion of x in y 1.839 * [backup-simplify]: Simplify x into x 1.839 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.839 * [taylor]: Taking taylor expansion of 0.5 in y 1.839 * [backup-simplify]: Simplify 0.5 into 0.5 1.839 * [taylor]: Taking taylor expansion of y in y 1.839 * [backup-simplify]: Simplify 0 into 0 1.839 * [backup-simplify]: Simplify 1 into 1 1.839 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.839 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.839 * [taylor]: Taking taylor expansion of 0.5 in x 1.839 * [backup-simplify]: Simplify 0.5 into 0.5 1.839 * [taylor]: Taking taylor expansion of x in x 1.839 * [backup-simplify]: Simplify 0 into 0 1.840 * [backup-simplify]: Simplify 1 into 1 1.840 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.840 * [taylor]: Taking taylor expansion of 0.5 in x 1.840 * [backup-simplify]: Simplify 0.5 into 0.5 1.840 * [taylor]: Taking taylor expansion of y in x 1.840 * [backup-simplify]: Simplify y into y 1.840 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.840 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.840 * [taylor]: Taking taylor expansion of 0.5 in x 1.840 * [backup-simplify]: Simplify 0.5 into 0.5 1.840 * [taylor]: Taking taylor expansion of x in x 1.840 * [backup-simplify]: Simplify 0 into 0 1.840 * [backup-simplify]: Simplify 1 into 1 1.840 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.840 * [taylor]: Taking taylor expansion of 0.5 in x 1.840 * [backup-simplify]: Simplify 0.5 into 0.5 1.840 * [taylor]: Taking taylor expansion of y in x 1.840 * [backup-simplify]: Simplify y into y 1.841 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.841 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y) 1.841 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y) 1.841 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.841 * [taylor]: Taking taylor expansion of 0.5 in y 1.841 * [backup-simplify]: Simplify 0.5 into 0.5 1.841 * [taylor]: Taking taylor expansion of y in y 1.841 * [backup-simplify]: Simplify 0 into 0 1.841 * [backup-simplify]: Simplify 1 into 1 1.841 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.841 * [backup-simplify]: Simplify 0 into 0 1.843 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.843 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0 1.844 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 1.844 * [taylor]: Taking taylor expansion of 0.5 in y 1.844 * [backup-simplify]: Simplify 0.5 into 0.5 1.844 * [backup-simplify]: Simplify 0.5 into 0.5 1.845 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.845 * [backup-simplify]: Simplify 0.5 into 0.5 1.846 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.847 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0 1.847 * [backup-simplify]: Simplify (+ 0 0) into 0 1.847 * [taylor]: Taking taylor expansion of 0 in y 1.847 * [backup-simplify]: Simplify 0 into 0 1.847 * [backup-simplify]: Simplify 0 into 0 1.847 * [backup-simplify]: Simplify 0 into 0 1.848 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.848 * [backup-simplify]: Simplify 0 into 0 1.848 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 1.849 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 1.849 * [backup-simplify]: Simplify (+ 0 0) into 0 1.849 * [taylor]: Taking taylor expansion of 0 in y 1.849 * [backup-simplify]: Simplify 0 into 0 1.849 * [backup-simplify]: Simplify 0 into 0 1.849 * [backup-simplify]: Simplify 0 into 0 1.849 * [backup-simplify]: Simplify 0 into 0 1.849 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y)) 1.849 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) 1.850 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (x y) around 0 1.850 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 1.850 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.850 * [taylor]: Taking taylor expansion of 0.5 in y 1.850 * [backup-simplify]: Simplify 0.5 into 0.5 1.850 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.850 * [taylor]: Taking taylor expansion of y in y 1.850 * [backup-simplify]: Simplify 0 into 0 1.850 * [backup-simplify]: Simplify 1 into 1 1.850 * [backup-simplify]: Simplify (/ 1 1) into 1 1.850 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 1.850 * [taylor]: Taking taylor expansion of 0.5 in y 1.850 * [backup-simplify]: Simplify 0.5 into 0.5 1.850 * [taylor]: Taking taylor expansion of (/ 1 x) in y 1.850 * [taylor]: Taking taylor expansion of x in y 1.850 * [backup-simplify]: Simplify x into x 1.850 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.850 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.850 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.850 * [taylor]: Taking taylor expansion of 0.5 in x 1.850 * [backup-simplify]: Simplify 0.5 into 0.5 1.850 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.850 * [taylor]: Taking taylor expansion of y in x 1.850 * [backup-simplify]: Simplify y into y 1.850 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.850 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.850 * [taylor]: Taking taylor expansion of 0.5 in x 1.850 * [backup-simplify]: Simplify 0.5 into 0.5 1.850 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.850 * [taylor]: Taking taylor expansion of x in x 1.850 * [backup-simplify]: Simplify 0 into 0 1.850 * [backup-simplify]: Simplify 1 into 1 1.851 * [backup-simplify]: Simplify (/ 1 1) into 1 1.851 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.851 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.851 * [taylor]: Taking taylor expansion of 0.5 in x 1.851 * [backup-simplify]: Simplify 0.5 into 0.5 1.851 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.851 * [taylor]: Taking taylor expansion of y in x 1.851 * [backup-simplify]: Simplify y into y 1.851 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.851 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.851 * [taylor]: Taking taylor expansion of 0.5 in x 1.851 * [backup-simplify]: Simplify 0.5 into 0.5 1.851 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.851 * [taylor]: Taking taylor expansion of x in x 1.851 * [backup-simplify]: Simplify 0 into 0 1.851 * [backup-simplify]: Simplify 1 into 1 1.851 * [backup-simplify]: Simplify (/ 1 1) into 1 1.851 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.852 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 1.852 * [taylor]: Taking taylor expansion of 0.5 in y 1.852 * [backup-simplify]: Simplify 0.5 into 0.5 1.852 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.852 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.853 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.853 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 1.853 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.853 * [taylor]: Taking taylor expansion of 0.5 in y 1.853 * [backup-simplify]: Simplify 0.5 into 0.5 1.853 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.853 * [taylor]: Taking taylor expansion of y in y 1.853 * [backup-simplify]: Simplify 0 into 0 1.853 * [backup-simplify]: Simplify 1 into 1 1.853 * [backup-simplify]: Simplify (/ 1 1) into 1 1.853 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.853 * [backup-simplify]: Simplify 0.5 into 0.5 1.853 * [backup-simplify]: Simplify 0.5 into 0.5 1.853 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.854 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.854 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.855 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.855 * [backup-simplify]: Simplify (+ 0 0) into 0 1.855 * [taylor]: Taking taylor expansion of 0 in y 1.855 * [backup-simplify]: Simplify 0 into 0 1.855 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.856 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.856 * [backup-simplify]: Simplify 0 into 0 1.856 * [backup-simplify]: Simplify 0 into 0 1.856 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.857 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.857 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.858 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.858 * [backup-simplify]: Simplify (+ 0 0) into 0 1.858 * [taylor]: Taking taylor expansion of 0 in y 1.858 * [backup-simplify]: Simplify 0 into 0 1.858 * [backup-simplify]: Simplify 0 into 0 1.858 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.859 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.859 * [backup-simplify]: Simplify 0 into 0 1.859 * [backup-simplify]: Simplify 0 into 0 1.859 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.860 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.860 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.861 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.861 * [backup-simplify]: Simplify (+ 0 0) into 0 1.861 * [taylor]: Taking taylor expansion of 0 in y 1.861 * [backup-simplify]: Simplify 0 into 0 1.861 * [backup-simplify]: Simplify 0 into 0 1.862 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.862 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) 1.862 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in (x y) around 0 1.862 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in y 1.862 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 1.862 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.862 * [taylor]: Taking taylor expansion of 0.5 in y 1.862 * [backup-simplify]: Simplify 0.5 into 0.5 1.862 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.862 * [taylor]: Taking taylor expansion of y in y 1.862 * [backup-simplify]: Simplify 0 into 0 1.862 * [backup-simplify]: Simplify 1 into 1 1.862 * [backup-simplify]: Simplify (/ 1 1) into 1 1.862 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 1.862 * [taylor]: Taking taylor expansion of 0.5 in y 1.862 * [backup-simplify]: Simplify 0.5 into 0.5 1.862 * [taylor]: Taking taylor expansion of (/ 1 x) in y 1.862 * [taylor]: Taking taylor expansion of x in y 1.862 * [backup-simplify]: Simplify x into x 1.862 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.862 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 1.862 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.862 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.862 * [taylor]: Taking taylor expansion of 0.5 in x 1.862 * [backup-simplify]: Simplify 0.5 into 0.5 1.863 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.863 * [taylor]: Taking taylor expansion of y in x 1.863 * [backup-simplify]: Simplify y into y 1.863 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.863 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.863 * [taylor]: Taking taylor expansion of 0.5 in x 1.863 * [backup-simplify]: Simplify 0.5 into 0.5 1.863 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.863 * [taylor]: Taking taylor expansion of x in x 1.863 * [backup-simplify]: Simplify 0 into 0 1.863 * [backup-simplify]: Simplify 1 into 1 1.863 * [backup-simplify]: Simplify (/ 1 1) into 1 1.863 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 1.863 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.863 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.863 * [taylor]: Taking taylor expansion of 0.5 in x 1.863 * [backup-simplify]: Simplify 0.5 into 0.5 1.863 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.863 * [taylor]: Taking taylor expansion of y in x 1.863 * [backup-simplify]: Simplify y into y 1.863 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.863 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.863 * [taylor]: Taking taylor expansion of 0.5 in x 1.863 * [backup-simplify]: Simplify 0.5 into 0.5 1.863 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.863 * [taylor]: Taking taylor expansion of x in x 1.863 * [backup-simplify]: Simplify 0 into 0 1.863 * [backup-simplify]: Simplify 1 into 1 1.864 * [backup-simplify]: Simplify (/ 1 1) into 1 1.864 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.865 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 1.865 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.865 * [taylor]: Taking taylor expansion of (- 0.5) in y 1.865 * [taylor]: Taking taylor expansion of 0.5 in y 1.865 * [backup-simplify]: Simplify 0.5 into 0.5 1.865 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.866 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.866 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.866 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 1.867 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y))) 1.867 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 1.867 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.867 * [taylor]: Taking taylor expansion of 0.5 in y 1.867 * [backup-simplify]: Simplify 0.5 into 0.5 1.867 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.867 * [taylor]: Taking taylor expansion of y in y 1.867 * [backup-simplify]: Simplify 0 into 0 1.867 * [backup-simplify]: Simplify 1 into 1 1.867 * [backup-simplify]: Simplify (/ 1 1) into 1 1.868 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.868 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.868 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.869 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.869 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.869 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.869 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.870 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.871 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.871 * [backup-simplify]: Simplify (+ 0 0) into 0 1.871 * [backup-simplify]: Simplify (- 0) into 0 1.871 * [taylor]: Taking taylor expansion of 0 in y 1.871 * [backup-simplify]: Simplify 0 into 0 1.872 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.872 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.873 * [backup-simplify]: Simplify (- 0) into 0 1.873 * [backup-simplify]: Simplify 0 into 0 1.873 * [backup-simplify]: Simplify (- 0) into 0 1.873 * [backup-simplify]: Simplify 0 into 0 1.873 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.874 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.875 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.876 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.876 * [backup-simplify]: Simplify (+ 0 0) into 0 1.877 * [backup-simplify]: Simplify (- 0) into 0 1.877 * [taylor]: Taking taylor expansion of 0 in y 1.877 * [backup-simplify]: Simplify 0 into 0 1.877 * [backup-simplify]: Simplify 0 into 0 1.877 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.878 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.879 * [backup-simplify]: Simplify (- 0) into 0 1.879 * [backup-simplify]: Simplify 0 into 0 1.879 * [backup-simplify]: Simplify (- 0) into 0 1.879 * [backup-simplify]: Simplify 0 into 0 1.879 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.880 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.881 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.882 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.882 * [backup-simplify]: Simplify (+ 0 0) into 0 1.883 * [backup-simplify]: Simplify (- 0) into 0 1.883 * [taylor]: Taking taylor expansion of 0 in y 1.883 * [backup-simplify]: Simplify 0 into 0 1.883 * [backup-simplify]: Simplify 0 into 0 1.884 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.884 * * * [progress]: simplifying candidates 1.884 * [simplify]: Simplifying: (* (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)) 1.885 * * [simplify]: Extracting # 0 : cost 0 1.885 * * [simplify]: Extracting # 1 : cost 0 1.885 * * [simplify]: Extracting # 2 : cost 0 1.885 * * [simplify]: Extracting # 3 : cost 0 1.885 * * [simplify]: Extracting # 4 : cost 0 1.885 * * [simplify]: Extracting # 5 : cost 0 1.885 * * [simplify]: Extracting # 6 : cost 0 1.885 * * [simplify]: iteration 0 : 33 enodes (cost 178 ) 1.896 * * [simplify]: Extracting # 0 : cost 0 1.896 * * [simplify]: Extracting # 1 : cost 0 1.896 * * [simplify]: Extracting # 2 : cost 0 1.897 * * [simplify]: Extracting # 3 : cost 0 1.897 * * [simplify]: Extracting # 4 : cost 0 1.897 * * [simplify]: iteration 1 : 92 enodes (cost 165 ) 1.933 * * [simplify]: Extracting # 0 : cost 0 1.934 * * [simplify]: Extracting # 1 : cost 0 1.934 * * [simplify]: Extracting # 2 : cost 0 1.934 * * [simplify]: Extracting # 3 : cost 0 1.935 * * [simplify]: Extracting # 4 : cost 0 1.935 * * [simplify]: iteration 2 : 248 enodes (cost 151 ) 2.046 * * [simplify]: Extracting # 0 : cost 0 2.047 * * [simplify]: Extracting # 1 : cost 0 2.048 * * [simplify]: Extracting # 2 : cost 0 2.049 * * [simplify]: Extracting # 3 : cost 0 2.050 * * [simplify]: Extracting # 4 : cost 0 2.051 * * [simplify]: iteration 3 : 806 enodes (cost 151 ) 2.483 * * [simplify]: Extracting # 0 : cost 0 2.489 * * [simplify]: Extracting # 1 : cost 0 2.495 * * [simplify]: Extracting # 2 : cost 0 2.502 * * [simplify]: Extracting # 3 : cost 0 2.508 * * [simplify]: Extracting # 4 : cost 0 2.514 * * [simplify]: Extracting # 5 : cost 0 2.523 * * [simplify]: iteration done: 5000 enodes (cost 151 ) 2.523 * [simplify]: Simplified to: (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)) (+ (* 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)) 2.523 * * * [progress]: adding candidates to table 2.579 * * [progress]: iteration 2 / 4 2.579 * * * [progress]: picking best candidate 2.582 * * * * [pick]: Picked # 2.582 * * * [progress]: localizing error 2.590 * * * [progress]: generating rewritten candidates 2.590 * * * [progress]: generating series expansions 2.590 * * * [progress]: simplifying candidates 2.591 * [simplify]: Simplifying: 2.591 * * [simplify]: Extracting # 0 : cost 0 2.591 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 2.591 * * [simplify]: Extracting # 0 : cost 0 2.591 * * [simplify]: iteration done: 0 enodes (cost 0 ) 2.591 * [simplify]: Simplified to: 2.591 * * * [progress]: adding candidates to table 2.591 * [progress]: [Phase 3 of 3] Extracting. 2.594 * [simplify]: Simplifying: (* 0.5 (+ x y)) 2.594 * * [simplify]: Extracting # 0 : cost 0 2.594 * * [simplify]: Extracting # 1 : cost 0 2.594 * * [simplify]: Extracting # 2 : cost 0 2.595 * * [simplify]: Extracting # 3 : cost 0 2.595 * * [simplify]: Extracting # 4 : cost 0 2.595 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 2.595 * * [simplify]: Extracting # 0 : cost 0 2.595 * * [simplify]: iteration 1 : 7 enodes (cost 5 ) 2.595 * * [simplify]: Extracting # 0 : cost 0 2.596 * * [simplify]: iteration done: 7 enodes (cost 5 ) 2.596 * [simplify]: Simplified to: (* 0.5 (+ x y)) 3.477 * [regime-testing]: Baseline error score: 0 3.479 * [regime-testing]: Oracle error score: 0 3.479 * [regime-testing]: End program error score: 0 3.533 * [regime-testing]: Target error score: 0