0.322 * [progress]: [Phase 1 of 3] Setting up. 0.002 * * * [progress]: [1/2] Preparing points 0.061 * * * [progress]: [2/2] Setting up program. 0.065 * [progress]: [Phase 2 of 3] Improving. 0.067 * [simplify]: Simplifying: (- (* (+ x 1.0) (+ x 1.0)) 1.0) 0.068 * * [simplify]: iteration 0: 5 enodes 0.072 * * [simplify]: iteration 1: 15 enodes 0.077 * * [simplify]: iteration 2: 40 enodes 0.469 * * [simplify]: iteration 3: 113 enodes 0.496 * * [simplify]: iteration 4: 254 enodes 0.578 * * [simplify]: iteration 5: 404 enodes 0.714 * * [simplify]: iteration 6: 609 enodes 0.928 * * [simplify]: iteration 7: 893 enodes 1.362 * * [simplify]: iteration 8: 1588 enodes 2.901 * * [simplify]: iteration 9: 4098 enodes 3.634 * * [simplify]: iteration complete: 5000 enodes 3.634 * * [simplify]: Extracting #0: cost 1 inf + 0 3.635 * * [simplify]: Extracting #1: cost 154 inf + 0 3.639 * * [simplify]: Extracting #2: cost 616 inf + 1316 3.651 * * [simplify]: Extracting #3: cost 220 inf + 41040 3.684 * * [simplify]: Extracting #4: cost 2 inf + 71332 3.712 * * [simplify]: Extracting #5: cost 0 inf + 71498 3.742 * * [simplify]: Extracting #6: cost 0 inf + 71438 3.770 * [simplify]: Simplified to: (- (* (+ x 1.0) (+ x 1.0)) 1.0) 3.772 * * [progress]: iteration 1 / 4 3.772 * * * [progress]: picking best candidate 3.777 * * * * [pick]: Picked # 3.777 * * * [progress]: localizing error 3.785 * * * [progress]: generating rewritten candidates 3.786 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 3.807 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 3.834 * * * [progress]: generating series expansions 3.834 * * * * [progress]: [ 1 / 2 ] generating series at (2) 3.838 * [backup-simplify]: Simplify (- (* (+ x 1.0) (+ x 1.0)) 1.0) into (+ (* 2.0 x) (pow x 2)) 3.839 * [approximate]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in (x) around 0 3.839 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in x 3.839 * [taylor]: Taking taylor expansion of (* 2.0 x) in x 3.839 * [taylor]: Taking taylor expansion of 2.0 in x 3.839 * [backup-simplify]: Simplify 2.0 into 2.0 3.839 * [taylor]: Taking taylor expansion of x in x 3.839 * [backup-simplify]: Simplify 0 into 0 3.839 * [backup-simplify]: Simplify 1 into 1 3.839 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.839 * [taylor]: Taking taylor expansion of x in x 3.840 * [backup-simplify]: Simplify 0 into 0 3.840 * [backup-simplify]: Simplify 1 into 1 3.840 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in x 3.840 * [taylor]: Taking taylor expansion of (* 2.0 x) in x 3.840 * [taylor]: Taking taylor expansion of 2.0 in x 3.840 * [backup-simplify]: Simplify 2.0 into 2.0 3.840 * [taylor]: Taking taylor expansion of x in x 3.840 * [backup-simplify]: Simplify 0 into 0 3.840 * [backup-simplify]: Simplify 1 into 1 3.840 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.840 * [taylor]: Taking taylor expansion of x in x 3.840 * [backup-simplify]: Simplify 0 into 0 3.840 * [backup-simplify]: Simplify 1 into 1 3.841 * [backup-simplify]: Simplify (* 2.0 0) into 0 3.842 * [backup-simplify]: Simplify (+ 0 0) into 0 3.842 * [backup-simplify]: Simplify 0 into 0 3.842 * [backup-simplify]: Simplify (+ (* 2.0 1) (* 0 0)) into 2.0 3.843 * [backup-simplify]: Simplify (+ 2.0 0) into 2.0 3.843 * [backup-simplify]: Simplify 2.0 into 2.0 3.843 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 1) (* 0 0))) into 0 3.844 * [backup-simplify]: Simplify (* 1 1) into 1 3.844 * [backup-simplify]: Simplify (+ 0 1) into 1 3.844 * [backup-simplify]: Simplify 1 into 1 3.845 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 3.845 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 3.845 * [backup-simplify]: Simplify (+ 0 0) into 0 3.845 * [backup-simplify]: Simplify 0 into 0 3.846 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0 3.847 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 3.847 * [backup-simplify]: Simplify (+ 0 0) into 0 3.847 * [backup-simplify]: Simplify 0 into 0 3.848 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0 3.848 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 3.849 * [backup-simplify]: Simplify (+ 0 0) into 0 3.849 * [backup-simplify]: Simplify 0 into 0 3.849 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0 3.850 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 3.850 * [backup-simplify]: Simplify (+ 0 0) into 0 3.850 * [backup-simplify]: Simplify 0 into 0 3.851 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0 3.852 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 3.852 * [backup-simplify]: Simplify (+ 0 0) into 0 3.852 * [backup-simplify]: Simplify 0 into 0 3.854 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0 3.854 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 3.855 * [backup-simplify]: Simplify (+ 0 0) into 0 3.855 * [backup-simplify]: Simplify 0 into 0 3.855 * [backup-simplify]: Simplify (+ (* 1 (pow x 2)) (* 2.0 x)) into (+ (* 2.0 x) (pow x 2)) 3.855 * [backup-simplify]: Simplify (- (* (+ (/ 1 x) 1.0) (+ (/ 1 x) 1.0)) 1.0) into (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) 3.855 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0 3.855 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x 3.855 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 3.855 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.856 * [taylor]: Taking taylor expansion of x in x 3.856 * [backup-simplify]: Simplify 0 into 0 3.856 * [backup-simplify]: Simplify 1 into 1 3.856 * [backup-simplify]: Simplify (* 1 1) into 1 3.856 * [backup-simplify]: Simplify (/ 1 1) into 1 3.856 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x 3.856 * [taylor]: Taking taylor expansion of 2.0 in x 3.856 * [backup-simplify]: Simplify 2.0 into 2.0 3.856 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.856 * [taylor]: Taking taylor expansion of x in x 3.856 * [backup-simplify]: Simplify 0 into 0 3.856 * [backup-simplify]: Simplify 1 into 1 3.856 * [backup-simplify]: Simplify (/ 1 1) into 1 3.857 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x 3.857 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 3.857 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.857 * [taylor]: Taking taylor expansion of x in x 3.857 * [backup-simplify]: Simplify 0 into 0 3.857 * [backup-simplify]: Simplify 1 into 1 3.857 * [backup-simplify]: Simplify (* 1 1) into 1 3.857 * [backup-simplify]: Simplify (/ 1 1) into 1 3.857 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x 3.857 * [taylor]: Taking taylor expansion of 2.0 in x 3.857 * [backup-simplify]: Simplify 2.0 into 2.0 3.857 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.857 * [taylor]: Taking taylor expansion of x in x 3.857 * [backup-simplify]: Simplify 0 into 0 3.857 * [backup-simplify]: Simplify 1 into 1 3.857 * [backup-simplify]: Simplify (/ 1 1) into 1 3.858 * [backup-simplify]: Simplify (+ 1 0) into 1 3.858 * [backup-simplify]: Simplify 1 into 1 3.858 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 3.859 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 3.859 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 3.859 * [backup-simplify]: Simplify (+ 0 2.0) into 2.0 3.859 * [backup-simplify]: Simplify 2.0 into 2.0 3.860 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 3.860 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.861 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 3.861 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 3.861 * [backup-simplify]: Simplify (+ 0 0) into 0 3.862 * [backup-simplify]: Simplify 0 into 0 3.862 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 3.863 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.863 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.864 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0 3.864 * [backup-simplify]: Simplify (+ 0 0) into 0 3.864 * [backup-simplify]: Simplify 0 into 0 3.865 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 3.865 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.866 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.866 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 3.867 * [backup-simplify]: Simplify (+ 0 0) into 0 3.867 * [backup-simplify]: Simplify 0 into 0 3.867 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 3.868 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.868 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.869 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 3.870 * [backup-simplify]: Simplify (+ 0 0) into 0 3.870 * [backup-simplify]: Simplify 0 into 0 3.871 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 3.872 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.872 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.873 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 3.874 * [backup-simplify]: Simplify (+ 0 0) into 0 3.874 * [backup-simplify]: Simplify 0 into 0 3.875 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0 3.875 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.876 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.876 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 3.877 * [backup-simplify]: Simplify (+ 0 0) into 0 3.877 * [backup-simplify]: Simplify 0 into 0 3.877 * [backup-simplify]: Simplify (+ (* 2.0 (/ 1 (/ 1 x))) (* 1 (pow (/ 1 (/ 1 x)) 2))) into (+ (* 2.0 x) (pow x 2)) 3.877 * [backup-simplify]: Simplify (- (* (+ (/ 1 (- x)) 1.0) (+ (/ 1 (- x)) 1.0)) 1.0) into (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) 3.877 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0 3.877 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x 3.877 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 3.877 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.877 * [taylor]: Taking taylor expansion of x in x 3.877 * [backup-simplify]: Simplify 0 into 0 3.877 * [backup-simplify]: Simplify 1 into 1 3.878 * [backup-simplify]: Simplify (* 1 1) into 1 3.878 * [backup-simplify]: Simplify (/ 1 1) into 1 3.878 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x 3.878 * [taylor]: Taking taylor expansion of 2.0 in x 3.878 * [backup-simplify]: Simplify 2.0 into 2.0 3.878 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.878 * [taylor]: Taking taylor expansion of x in x 3.878 * [backup-simplify]: Simplify 0 into 0 3.878 * [backup-simplify]: Simplify 1 into 1 3.882 * [backup-simplify]: Simplify (/ 1 1) into 1 3.882 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x 3.882 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 3.882 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.882 * [taylor]: Taking taylor expansion of x in x 3.883 * [backup-simplify]: Simplify 0 into 0 3.883 * [backup-simplify]: Simplify 1 into 1 3.883 * [backup-simplify]: Simplify (* 1 1) into 1 3.883 * [backup-simplify]: Simplify (/ 1 1) into 1 3.883 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x 3.883 * [taylor]: Taking taylor expansion of 2.0 in x 3.883 * [backup-simplify]: Simplify 2.0 into 2.0 3.883 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.883 * [taylor]: Taking taylor expansion of x in x 3.883 * [backup-simplify]: Simplify 0 into 0 3.883 * [backup-simplify]: Simplify 1 into 1 3.883 * [backup-simplify]: Simplify (/ 1 1) into 1 3.884 * [backup-simplify]: Simplify (+ 1 0) into 1 3.884 * [backup-simplify]: Simplify 1 into 1 3.884 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 3.885 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 3.885 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 3.885 * [backup-simplify]: Simplify (- 2.0) into (- 2.0) 3.886 * [backup-simplify]: Simplify (+ 0 (- 2.0)) into (- 2.0) 3.886 * [backup-simplify]: Simplify (- 2.0) into (- 2.0) 3.886 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 3.887 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.887 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 3.888 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 3.888 * [backup-simplify]: Simplify (- 0) into 0 3.888 * [backup-simplify]: Simplify (+ 0 0) into 0 3.888 * [backup-simplify]: Simplify 0 into 0 3.889 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 3.889 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.890 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.890 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0 3.890 * [backup-simplify]: Simplify (- 0) into 0 3.891 * [backup-simplify]: Simplify (+ 0 0) into 0 3.891 * [backup-simplify]: Simplify 0 into 0 3.891 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 3.892 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.892 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.893 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 3.893 * [backup-simplify]: Simplify (- 0) into 0 3.893 * [backup-simplify]: Simplify (+ 0 0) into 0 3.893 * [backup-simplify]: Simplify 0 into 0 3.894 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 3.895 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.895 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.896 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 3.896 * [backup-simplify]: Simplify (- 0) into 0 3.896 * [backup-simplify]: Simplify (+ 0 0) into 0 3.896 * [backup-simplify]: Simplify 0 into 0 3.897 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 3.898 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.898 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.899 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 3.899 * [backup-simplify]: Simplify (- 0) into 0 3.899 * [backup-simplify]: Simplify (+ 0 0) into 0 3.899 * [backup-simplify]: Simplify 0 into 0 3.900 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0 3.901 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.901 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.902 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 3.902 * [backup-simplify]: Simplify (- 0) into 0 3.903 * [backup-simplify]: Simplify (+ 0 0) into 0 3.903 * [backup-simplify]: Simplify 0 into 0 3.903 * [backup-simplify]: Simplify (+ (* (- 2.0) (/ 1 (/ 1 (- x)))) (* 1 (pow (/ 1 (/ 1 (- x))) 2))) into (+ (* 2.0 x) (pow x 2)) 3.903 * * * * [progress]: [ 2 / 2 ] generating series at (2 1) 3.903 * [backup-simplify]: Simplify (* (+ x 1.0) (+ x 1.0)) into (pow (+ x 1.0) 2) 3.903 * [approximate]: Taking taylor expansion of (pow (+ x 1.0) 2) in (x) around 0 3.903 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x 3.903 * [taylor]: Taking taylor expansion of (+ x 1.0) in x 3.903 * [taylor]: Taking taylor expansion of x in x 3.903 * [backup-simplify]: Simplify 0 into 0 3.903 * [backup-simplify]: Simplify 1 into 1 3.903 * [taylor]: Taking taylor expansion of 1.0 in x 3.903 * [backup-simplify]: Simplify 1.0 into 1.0 3.904 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0 3.904 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x 3.904 * [taylor]: Taking taylor expansion of (+ x 1.0) in x 3.904 * [taylor]: Taking taylor expansion of x in x 3.904 * [backup-simplify]: Simplify 0 into 0 3.904 * [backup-simplify]: Simplify 1 into 1 3.904 * [taylor]: Taking taylor expansion of 1.0 in x 3.904 * [backup-simplify]: Simplify 1.0 into 1.0 3.904 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0 3.904 * [backup-simplify]: Simplify (* 1.0 1.0) into 1.0 3.904 * [backup-simplify]: Simplify 1.0 into 1.0 3.905 * [backup-simplify]: Simplify (+ 1 0) into 1 3.905 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 1 1.0)) into 2.0 3.905 * [backup-simplify]: Simplify 2.0 into 2.0 3.906 * [backup-simplify]: Simplify (+ 0 0) into 0 3.906 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 1 1) (* 0 1.0))) into 1 3.906 * [backup-simplify]: Simplify 1 into 1 3.907 * [backup-simplify]: Simplify (+ (* 1 (pow x 2)) (+ (* 2.0 x) 1.0)) into (+ (* 2.0 x) (+ (pow x 2) 1.0)) 3.907 * [backup-simplify]: Simplify (* (+ (/ 1 x) 1.0) (+ (/ 1 x) 1.0)) into (pow (+ (/ 1 x) 1.0) 2) 3.907 * [approximate]: Taking taylor expansion of (pow (+ (/ 1 x) 1.0) 2) in (x) around 0 3.907 * [taylor]: Taking taylor expansion of (pow (+ (/ 1 x) 1.0) 2) in x 3.907 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x 3.907 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.907 * [taylor]: Taking taylor expansion of x in x 3.907 * [backup-simplify]: Simplify 0 into 0 3.907 * [backup-simplify]: Simplify 1 into 1 3.907 * [backup-simplify]: Simplify (/ 1 1) into 1 3.907 * [taylor]: Taking taylor expansion of 1.0 in x 3.907 * [backup-simplify]: Simplify 1.0 into 1.0 3.907 * [backup-simplify]: Simplify (+ 1 0) into 1 3.907 * [taylor]: Taking taylor expansion of (pow (+ (/ 1 x) 1.0) 2) in x 3.907 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x 3.907 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.907 * [taylor]: Taking taylor expansion of x in x 3.907 * [backup-simplify]: Simplify 0 into 0 3.907 * [backup-simplify]: Simplify 1 into 1 3.908 * [backup-simplify]: Simplify (/ 1 1) into 1 3.908 * [taylor]: Taking taylor expansion of 1.0 in x 3.908 * [backup-simplify]: Simplify 1.0 into 1.0 3.908 * [backup-simplify]: Simplify (+ 1 0) into 1 3.908 * [backup-simplify]: Simplify (* 1 1) into 1 3.908 * [backup-simplify]: Simplify 1 into 1 3.909 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 3.909 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0 3.910 * [backup-simplify]: Simplify (+ (* 1 1.0) (* 1.0 1)) into 2.0 3.910 * [backup-simplify]: Simplify 2.0 into 2.0 3.910 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.910 * [backup-simplify]: Simplify (+ 0 0) into 0 3.912 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 1.0 1.0) (* 0 1))) into 1.0 3.912 * [backup-simplify]: Simplify 1.0 into 1.0 3.912 * [backup-simplify]: Simplify (+ 1.0 (+ (* 2.0 (/ 1 (/ 1 x))) (* 1 (pow (/ 1 (/ 1 x)) 2)))) into (+ (* 2.0 x) (+ (pow x 2) 1.0)) 3.912 * [backup-simplify]: Simplify (* (+ (/ 1 (- x)) 1.0) (+ (/ 1 (- x)) 1.0)) into (pow (- 1.0 (/ 1 x)) 2) 3.912 * [approximate]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in (x) around 0 3.912 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x 3.912 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x 3.912 * [taylor]: Taking taylor expansion of 1.0 in x 3.912 * [backup-simplify]: Simplify 1.0 into 1.0 3.912 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.912 * [taylor]: Taking taylor expansion of x in x 3.912 * [backup-simplify]: Simplify 0 into 0 3.912 * [backup-simplify]: Simplify 1 into 1 3.913 * [backup-simplify]: Simplify (/ 1 1) into 1 3.913 * [backup-simplify]: Simplify (- 1) into -1 3.913 * [backup-simplify]: Simplify (+ 0 -1) into -1 3.913 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x 3.913 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x 3.913 * [taylor]: Taking taylor expansion of 1.0 in x 3.913 * [backup-simplify]: Simplify 1.0 into 1.0 3.913 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.913 * [taylor]: Taking taylor expansion of x in x 3.913 * [backup-simplify]: Simplify 0 into 0 3.913 * [backup-simplify]: Simplify 1 into 1 3.914 * [backup-simplify]: Simplify (/ 1 1) into 1 3.914 * [backup-simplify]: Simplify (- 1) into -1 3.914 * [backup-simplify]: Simplify (+ 0 -1) into -1 3.914 * [backup-simplify]: Simplify (* -1 -1) into 1 3.914 * [backup-simplify]: Simplify 1 into 1 3.915 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 3.915 * [backup-simplify]: Simplify (- 0) into 0 3.915 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0 3.916 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 1.0 -1)) into (- 2.0) 3.916 * [backup-simplify]: Simplify (- 2.0) into (- 2.0) 3.917 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.917 * [backup-simplify]: Simplify (- 0) into 0 3.917 * [backup-simplify]: Simplify (+ 0 0) into 0 3.919 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 1.0 1.0) (* 0 -1))) into 1.0 3.919 * [backup-simplify]: Simplify 1.0 into 1.0 3.919 * [backup-simplify]: Simplify (+ 1.0 (+ (* (- 2.0) (/ 1 (/ 1 (- x)))) (* 1 (pow (/ 1 (/ 1 (- x))) 2)))) into (+ (* 2.0 x) (+ (pow x 2) 1.0)) 3.919 * * * [progress]: simplifying candidates 3.921 * [simplify]: Simplifying: (fma (+ x 1.0) (+ x 1.0) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))) (fma (+ x 1.0) (+ x 1.0) (- (* (sqrt 1.0) (sqrt 1.0)))) (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) (fma (+ x 1.0) (+ x 1.0) (- (* 1.0 1))) (fma (- 1.0) 1 (* 1.0 1)) (expm1 (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (log1p (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (- 1.0) (/ (exp (* (+ x 1.0) (+ x 1.0))) (exp 1.0)) (log (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (exp (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (* (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0))) (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (* (* (- (* (+ x 1.0) (+ x 1.0)) 1.0) (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (sqrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (sqrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (- (pow (* (+ x 1.0) (+ x 1.0)) 3) (pow 1.0 3)) (+ (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (+ (* 1.0 1.0) (* (* (+ x 1.0) (+ x 1.0)) 1.0))) (- 1.0) (- (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* 1.0 1.0)) (+ (* (+ x 1.0) (+ x 1.0)) 1.0) (+ (+ x 1.0) (sqrt 1.0)) (- (+ x 1.0) (sqrt 1.0)) (- (* (+ x 1.0) 1.0) 1.0) (- (* 1.0 (+ x 1.0)) 1.0) (- 1.0) (expm1 (* (+ x 1.0) (+ x 1.0))) (log1p (* (+ x 1.0) (+ x 1.0))) (+ 1 1) (* (+ x 1.0) (+ x 1.0)) (+ 1 1) (+ (log (+ x 1.0)) (log (+ x 1.0))) (log (* (+ x 1.0) (+ x 1.0))) (exp (* (+ x 1.0) (+ x 1.0))) (* (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0))) (* (cbrt (* (+ x 1.0) (+ x 1.0))) (cbrt (* (+ x 1.0) (+ x 1.0)))) (cbrt (* (+ x 1.0) (+ x 1.0))) (* (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* (+ x 1.0) (+ x 1.0))) (sqrt (* (+ x 1.0) (+ x 1.0))) (sqrt (* (+ x 1.0) (+ x 1.0))) (* (+ (pow x 3) (pow 1.0 3)) (+ (pow x 3) (pow 1.0 3))) (* (+ (* x x) (- (* 1.0 1.0) (* x 1.0))) (+ (* x x) (- (* 1.0 1.0) (* x 1.0)))) (* (+ (pow x 3) (pow 1.0 3)) (- (* x x) (* 1.0 1.0))) (* (+ (* x x) (- (* 1.0 1.0) (* x 1.0))) (- x 1.0)) (* (- (* x x) (* 1.0 1.0)) (+ (pow x 3) (pow 1.0 3))) (* (- x 1.0) (+ (* x x) (- (* 1.0 1.0) (* x 1.0)))) (* (- (* x x) (* 1.0 1.0)) (- (* x x) (* 1.0 1.0))) (* (- x 1.0) (- x 1.0)) (* (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* 1 1) (* (+ x 1.0) (+ x 1.0)) (* 1 1) (* (+ x 1.0) (+ x 1.0)) (* 1 1) (* (+ x 1.0) (+ x 1.0)) (* 1 1) (* (+ x 1.0) (+ x 1.0)) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* 2 1) (* (+ x 1.0) x) (* (+ x 1.0) 1.0) (* x (+ x 1.0)) (* 1.0 (+ x 1.0)) (* (+ x 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (* (+ x 1.0) (sqrt (+ x 1.0))) (* (+ x 1.0) 1) (* (+ x 1.0) 1) (* (cbrt (+ x 1.0)) (+ x 1.0)) (* (sqrt (+ x 1.0)) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ (pow x 3) (pow 1.0 3))) (* (+ x 1.0) (- (* x x) (* 1.0 1.0))) (* (+ (pow x 3) (pow 1.0 3)) (+ x 1.0)) (* (- (* x x) (* 1.0 1.0)) (+ x 1.0)) (+ (* 2.0 x) (pow x 2)) (+ (* 2.0 x) (pow x 2)) (+ (* 2.0 x) (pow x 2)) (+ (* 2.0 x) (+ (pow x 2) 1.0)) (+ (* 2.0 x) (+ (pow x 2) 1.0)) (+ (* 2.0 x) (+ (pow x 2) 1.0)) 3.921 * * [simplify]: iteration 0: 106 enodes 3.953 * * [simplify]: iteration 1: 336 enodes 4.096 * * [simplify]: iteration 2: 1118 enodes 4.597 * * [simplify]: iteration complete: 5003 enodes 4.597 * * [simplify]: Extracting #0: cost 47 inf + 0 4.599 * * [simplify]: Extracting #1: cost 612 inf + 2 4.604 * * [simplify]: Extracting #2: cost 1646 inf + 2082 4.627 * * [simplify]: Extracting #3: cost 1001 inf + 115055 4.674 * * [simplify]: Extracting #4: cost 154 inf + 279189 4.733 * * [simplify]: Extracting #5: cost 11 inf + 316749 4.792 * * [simplify]: Extracting #6: cost 0 inf + 319758 4.850 * [simplify]: Simplified to: (- (* (+ x 1.0) (+ x 1.0)) 1.0) (fma 1.0 -1 1.0) (- (* (+ x 1.0) (+ x 1.0)) 1.0) (fma 1.0 -1 1.0) (- (* (+ x 1.0) (+ x 1.0)) 1.0) (fma 1.0 -1 1.0) (expm1 (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (log1p (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (- 1.0) (exp (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (log (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (exp (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (* (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0))) (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (* (* (- (* (+ x 1.0) (+ x 1.0)) 1.0) (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (sqrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (sqrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (- (* (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* (+ x 1.0) (+ x 1.0))) (* 1.0 (* 1.0 1.0))) (fma 1.0 (* (+ x 1.0) (+ x 1.0)) (fma (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0)) (* 1.0 1.0))) (- 1.0) (- (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* 1.0 1.0)) (fma (+ x 1.0) (+ x 1.0) 1.0) (+ x (+ 1.0 (sqrt 1.0))) (+ (- 1.0 (sqrt 1.0)) x) (- (* 1.0 (+ x 1.0)) 1.0) (- (* 1.0 (+ x 1.0)) 1.0) (- 1.0) (expm1 (* (+ x 1.0) (+ x 1.0))) (log1p (* (+ x 1.0) (+ x 1.0))) 2 (* (+ x 1.0) (+ x 1.0)) 2 (log (* (+ x 1.0) (+ x 1.0))) (log (* (+ x 1.0) (+ x 1.0))) (exp (* (+ x 1.0) (+ x 1.0))) (* (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* (+ x 1.0) (+ x 1.0))) (* (cbrt (* (+ x 1.0) (+ x 1.0))) (cbrt (* (+ x 1.0) (+ x 1.0)))) (cbrt (* (+ x 1.0) (+ x 1.0))) (* (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* (+ x 1.0) (+ x 1.0))) (fabs (+ x 1.0)) (fabs (+ x 1.0)) (* (fma (* 1.0 1.0) 1.0 (* (* x x) x)) (fma (* 1.0 1.0) 1.0 (* (* x x) x))) (* (fma 1.0 (- 1.0 x) (* x x)) (fma 1.0 (- 1.0 x) (* x x))) (* (- (* x x) (* 1.0 1.0)) (fma (* 1.0 1.0) 1.0 (* (* x x) x))) (* (- x 1.0) (fma 1.0 (- 1.0 x) (* x x))) (* (- (* x x) (* 1.0 1.0)) (fma (* 1.0 1.0) 1.0 (* (* x x) x))) (* (- x 1.0) (fma 1.0 (- 1.0 x) (* x x))) (* (- (* x x) (* 1.0 1.0)) (- (* x x) (* 1.0 1.0))) (* (- x 1.0) (- x 1.0)) (* (cbrt (+ x 1.0)) (+ x 1.0)) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (+ x 1.0) (+ x 1.0) 1 (* (+ x 1.0) (+ x 1.0)) 1 (* (+ x 1.0) (+ x 1.0)) 1 (* (+ x 1.0) (+ x 1.0)) 1 (* (+ x 1.0) (+ x 1.0)) (+ x 1.0) (+ x 1.0) 2 (* x (+ x 1.0)) (* 1.0 (+ x 1.0)) (* x (+ x 1.0)) (* 1.0 (+ x 1.0)) (* (+ x 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (* (sqrt (+ x 1.0)) (+ x 1.0)) (+ x 1.0) (+ x 1.0) (* (cbrt (+ x 1.0)) (+ x 1.0)) (* (sqrt (+ x 1.0)) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0)) (* (fma (* 1.0 1.0) 1.0 (* (* x x) x)) (+ x 1.0)) (* (* (+ x 1.0) (+ x 1.0)) (- x 1.0)) (* (fma (* 1.0 1.0) 1.0 (* (* x x) x)) (+ x 1.0)) (* (* (+ x 1.0) (+ x 1.0)) (- x 1.0)) (fma x x (* 2.0 x)) (fma x x (* 2.0 x)) (fma x x (* 2.0 x)) (fma x 2.0 (fma x x 1.0)) (fma x 2.0 (fma x x 1.0)) (fma x 2.0 (fma x x 1.0)) 4.853 * * * [progress]: adding candidates to table 4.997 * * [progress]: iteration 2 / 4 4.997 * * * [progress]: picking best candidate 5.000 * * * * [pick]: Picked # 5.000 * * * [progress]: localizing error 5.006 * * * [progress]: generating rewritten candidates 5.006 * * * [progress]: generating series expansions 5.006 * * * [progress]: simplifying candidates 5.006 * [simplify]: Simplifying: 5.006 * * [simplify]: iteration 0: 0 enodes 5.006 * * [simplify]: iteration complete: 0 enodes 5.006 * * [simplify]: Extracting #0: cost 0 inf + 0 5.006 * [simplify]: Simplified to: 5.006 * * * [progress]: adding candidates to table 5.006 * [progress]: [Phase 3 of 3] Extracting. 5.010 * [simplify]: Simplifying: (fma x x (* 2.0 x)) 5.010 * * [simplify]: iteration 0: 4 enodes 5.010 * * [simplify]: iteration 1: 5 enodes 5.010 * * [simplify]: iteration complete: 5 enodes 5.010 * * [simplify]: Extracting #0: cost 1 inf + 0 5.010 * * [simplify]: Extracting #1: cost 3 inf + 0 5.010 * * [simplify]: Extracting #2: cost 3 inf + 1 5.010 * * [simplify]: Extracting #3: cost 0 inf + 141 5.010 * [simplify]: Simplified to: (fma x x (* x 2.0)) 5.970 * [regime-testing]: Baseline error score: 0 5.978 * [regime-testing]: Oracle error score: 0 5.978 * [regime-testing]: End program error score: 0