0.447 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.029 * * * [progress]: [2/2] Setting up program. 0.031 * [progress]: [Phase 2 of 3] Improving. 0.031 * [simplify]: Simplifying: (+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0))) 0.031 * * [simplify]: Extracting # 0 : cost 0 0.031 * * [simplify]: Extracting # 1 : cost 0 0.031 * * [simplify]: Extracting # 2 : cost 0 0.031 * * [simplify]: Extracting # 3 : cost 0 0.031 * * [simplify]: Extracting # 4 : cost 0 0.031 * * [simplify]: Extracting # 5 : cost 0 0.031 * * [simplify]: iteration 0 : 10 enodes (cost 15 ) 0.045 * * [simplify]: Extracting # 0 : cost 0 0.045 * * [simplify]: Extracting # 1 : cost 0 0.045 * * [simplify]: Extracting # 2 : cost 0 0.045 * * [simplify]: iteration 1 : 18 enodes (cost 15 ) 0.049 * * [simplify]: Extracting # 0 : cost 0 0.050 * * [simplify]: Extracting # 1 : cost 0 0.050 * * [simplify]: Extracting # 2 : cost 0 0.050 * * [simplify]: iteration 2 : 31 enodes (cost 15 ) 0.055 * * [simplify]: Extracting # 0 : cost 0 0.055 * * [simplify]: Extracting # 1 : cost 0 0.055 * * [simplify]: Extracting # 2 : cost 0 0.055 * * [simplify]: iteration 3 : 41 enodes (cost 15 ) 0.063 * * [simplify]: Extracting # 0 : cost 0 0.063 * * [simplify]: Extracting # 1 : cost 0 0.063 * * [simplify]: Extracting # 2 : cost 0 0.063 * * [simplify]: iteration 4 : 50 enodes (cost 15 ) 0.072 * * [simplify]: Extracting # 0 : cost 0 0.072 * * [simplify]: Extracting # 1 : cost 0 0.072 * * [simplify]: Extracting # 2 : cost 0 0.072 * * [simplify]: iteration 5 : 55 enodes (cost 15 ) 0.080 * * [simplify]: Extracting # 0 : cost 0 0.080 * * [simplify]: Extracting # 1 : cost 0 0.080 * * [simplify]: Extracting # 2 : cost 0 0.080 * * [simplify]: iteration 6 : 64 enodes (cost 15 ) 0.093 * * [simplify]: Extracting # 0 : cost 0 0.093 * * [simplify]: Extracting # 1 : cost 0 0.093 * * [simplify]: Extracting # 2 : cost 0 0.093 * * [simplify]: iteration 7 : 82 enodes (cost 15 ) 0.120 * * [simplify]: Extracting # 0 : cost 0 0.120 * * [simplify]: Extracting # 1 : cost 0 0.120 * * [simplify]: Extracting # 2 : cost 0 0.120 * * [simplify]: iteration 8 : 99 enodes (cost 15 ) 0.139 * * [simplify]: Extracting # 0 : cost 0 0.139 * * [simplify]: Extracting # 1 : cost 0 0.139 * * [simplify]: iteration 9 : 109 enodes (cost 15 ) 0.160 * * [simplify]: Extracting # 0 : cost 0 0.161 * * [simplify]: iteration done: 109 enodes (cost 15 ) 0.161 * [simplify]: Simplified to: (+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0))) 0.161 * * [progress]: iteration 1 / 4 0.161 * * * [progress]: picking best candidate 0.164 * * * * [pick]: Picked # 0.164 * * * [progress]: localizing error 0.185 * * * [progress]: generating rewritten candidates 0.185 * * * * [progress]: [ 1 / 4 ] rewriting at (2) 0.706 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1) 0.834 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1) 0.856 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2) 0.946 * * * [progress]: generating series expansions 0.946 * * * * [progress]: [ 1 / 4 ] generating series at (2) 0.946 * [backup-simplify]: Simplify (+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0))) into (- (+ (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0)))) (* 2.0 (/ 1 x))) 0.946 * [approximate]: Taking taylor expansion of (- (+ (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0)))) (* 2.0 (/ 1 x))) in (x) around 0 0.946 * [taylor]: Taking taylor expansion of (- (+ (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0)))) (* 2.0 (/ 1 x))) in x 0.946 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0)))) in x 0.946 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ x 1.0))) in x 0.946 * [taylor]: Taking taylor expansion of 1.0 in x 0.946 * [backup-simplify]: Simplify 1.0 into 1.0 0.946 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x 0.946 * [taylor]: Taking taylor expansion of (+ x 1.0) in x 0.946 * [taylor]: Taking taylor expansion of x in x 0.946 * [backup-simplify]: Simplify 0 into 0 0.946 * [backup-simplify]: Simplify 1 into 1 0.946 * [taylor]: Taking taylor expansion of 1.0 in x 0.946 * [backup-simplify]: Simplify 1.0 into 1.0 0.947 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0 0.947 * [backup-simplify]: Simplify (/ 1 1.0) into 1.0 0.947 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (- x 1.0))) in x 0.947 * [taylor]: Taking taylor expansion of 1.0 in x 0.947 * [backup-simplify]: Simplify 1.0 into 1.0 0.947 * [taylor]: Taking taylor expansion of (/ 1 (- x 1.0)) in x 0.947 * [taylor]: Taking taylor expansion of (- x 1.0) in x 0.947 * [taylor]: Taking taylor expansion of x in x 0.947 * [backup-simplify]: Simplify 0 into 0 0.947 * [backup-simplify]: Simplify 1 into 1 0.947 * [taylor]: Taking taylor expansion of 1.0 in x 0.947 * [backup-simplify]: Simplify 1.0 into 1.0 0.948 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.948 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0) 0.949 * [backup-simplify]: Simplify (/ 1 (- 1.0)) into -1.0 0.949 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x 0.949 * [taylor]: Taking taylor expansion of 2.0 in x 0.949 * [backup-simplify]: Simplify 2.0 into 2.0 0.949 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.949 * [taylor]: Taking taylor expansion of x in x 0.949 * [backup-simplify]: Simplify 0 into 0 0.949 * [backup-simplify]: Simplify 1 into 1 0.949 * [backup-simplify]: Simplify (/ 1 1) into 1 0.949 * [taylor]: Taking taylor expansion of (- (+ (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0)))) (* 2.0 (/ 1 x))) in x 0.949 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0)))) in x 0.949 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ x 1.0))) in x 0.949 * [taylor]: Taking taylor expansion of 1.0 in x 0.949 * [backup-simplify]: Simplify 1.0 into 1.0 0.949 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x 0.949 * [taylor]: Taking taylor expansion of (+ x 1.0) in x 0.949 * [taylor]: Taking taylor expansion of x in x 0.949 * [backup-simplify]: Simplify 0 into 0 0.949 * [backup-simplify]: Simplify 1 into 1 0.949 * [taylor]: Taking taylor expansion of 1.0 in x 0.949 * [backup-simplify]: Simplify 1.0 into 1.0 0.950 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0 0.950 * [backup-simplify]: Simplify (/ 1 1.0) into 1.0 0.950 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (- x 1.0))) in x 0.950 * [taylor]: Taking taylor expansion of 1.0 in x 0.950 * [backup-simplify]: Simplify 1.0 into 1.0 0.950 * [taylor]: Taking taylor expansion of (/ 1 (- x 1.0)) in x 0.950 * [taylor]: Taking taylor expansion of (- x 1.0) in x 0.950 * [taylor]: Taking taylor expansion of x in x 0.950 * [backup-simplify]: Simplify 0 into 0 0.950 * [backup-simplify]: Simplify 1 into 1 0.950 * [taylor]: Taking taylor expansion of 1.0 in x 0.950 * [backup-simplify]: Simplify 1.0 into 1.0 0.950 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.951 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0) 0.951 * [backup-simplify]: Simplify (/ 1 (- 1.0)) into -1.0 0.951 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x 0.951 * [taylor]: Taking taylor expansion of 2.0 in x 0.951 * [backup-simplify]: Simplify 2.0 into 2.0 0.951 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.951 * [taylor]: Taking taylor expansion of x in x 0.951 * [backup-simplify]: Simplify 0 into 0 0.951 * [backup-simplify]: Simplify 1 into 1 0.952 * [backup-simplify]: Simplify (/ 1 1) into 1 0.952 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 0.952 * [backup-simplify]: Simplify (- 2.0) into (- 2.0) 0.953 * [backup-simplify]: Simplify (+ 0 (- 2.0)) into (- 2.0) 0.953 * [backup-simplify]: Simplify (- 2.0) into (- 2.0) 0.953 * [backup-simplify]: Simplify (* 1.0 1.0) into 1.0 0.954 * [backup-simplify]: Simplify (* 1.0 -1.0) into -1.0 0.954 * [backup-simplify]: Simplify (+ 1.0 -1.0) into 0 0.954 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.955 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 0.955 * [backup-simplify]: Simplify (- 0) into 0 0.955 * [backup-simplify]: Simplify (+ 0 0) into 0 0.955 * [backup-simplify]: Simplify 0 into 0 0.955 * [backup-simplify]: Simplify (+ 1 0) into 1 0.957 * [backup-simplify]: Simplify (- (+ (* 1.0 (/ 1 1.0)))) into (- 1.0) 0.967 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (* 0 1.0)) into (- 1.0) 0.967 * [backup-simplify]: Simplify (- 0) into 0 0.967 * [backup-simplify]: Simplify (+ 1 0) into 1 0.969 * [backup-simplify]: Simplify (- (+ (* -1.0 (/ 1 (- 1.0))))) into (- 1.0) 0.970 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (* 0 -1.0)) into (- 1.0) 0.971 * [backup-simplify]: Simplify (+ (- 1.0) (- 1.0)) into (- 2.0) 0.972 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.972 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0 0.972 * [backup-simplify]: Simplify (- 0) into 0 0.973 * [backup-simplify]: Simplify (+ (- 2.0) 0) into (- 2.0) 0.973 * [backup-simplify]: Simplify (- 2.0) into (- 2.0) 0.973 * [backup-simplify]: Simplify (+ 0 0) into 0 0.978 * [backup-simplify]: Simplify (- (+ (* 1.0 (/ 0 1.0)) (* (- 1.0) (/ 1 1.0)))) into 1.0 0.980 * [backup-simplify]: Simplify (+ (* 1.0 1.0) (+ (* 0 (- 1.0)) (* 0 1.0))) into 1.0 0.980 * [backup-simplify]: Simplify (- 0) into 0 0.980 * [backup-simplify]: Simplify (+ 0 0) into 0 0.986 * [backup-simplify]: Simplify (- (+ (* -1.0 (/ 0 (- 1.0))) (* (- 1.0) (/ 1 (- 1.0))))) into (- 1.0) 0.989 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (+ (* 0 (- 1.0)) (* 0 -1.0))) into (- 1.0) 0.989 * [backup-simplify]: Simplify (+ 1.0 (- 1.0)) into 0 0.990 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.991 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.992 * [backup-simplify]: Simplify (- 0) into 0 0.992 * [backup-simplify]: Simplify (+ 0 0) into 0 0.992 * [backup-simplify]: Simplify 0 into 0 0.993 * [backup-simplify]: Simplify (+ 0 0) into 0 0.998 * [backup-simplify]: Simplify (- (+ (* 1.0 (/ 0 1.0)) (* (- 1.0) (/ 0 1.0)) (* 1.0 (/ 1 1.0)))) into (- 1.0) 1.001 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (+ (* 0 1.0) (+ (* 0 (- 1.0)) (* 0 1.0)))) into (- 1.0) 1.001 * [backup-simplify]: Simplify (- 0) into 0 1.001 * [backup-simplify]: Simplify (+ 0 0) into 0 1.006 * [backup-simplify]: Simplify (- (+ (* -1.0 (/ 0 (- 1.0))) (* (- 1.0) (/ 0 (- 1.0))) (* (- 1.0) (/ 1 (- 1.0))))) into (- 1.0) 1.008 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (+ (* 0 (- 1.0)) (+ (* 0 (- 1.0)) (* 0 -1.0)))) into (- 1.0) 1.009 * [backup-simplify]: Simplify (+ (- 1.0) (- 1.0)) into (- 2.0) 1.009 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.010 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.010 * [backup-simplify]: Simplify (- 0) into 0 1.011 * [backup-simplify]: Simplify (+ (- 2.0) 0) into (- 2.0) 1.011 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)