0.543 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.052 * * * [progress]: [2/2] Setting up program. 0.055 * [progress]: [Phase 2 of 3] Improving. 0.055 * [simplify]: Simplifying: (+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0))) 0.055 * * [simplify]: Extracting # 0 : cost 0 0.055 * * [simplify]: Extracting # 1 : cost 0 0.055 * * [simplify]: Extracting # 2 : cost 0 0.055 * * [simplify]: Extracting # 3 : cost 0 0.055 * * [simplify]: Extracting # 4 : cost 0 0.055 * * [simplify]: Extracting # 5 : cost 0 0.055 * * [simplify]: iteration 0 : 10 enodes (cost 15 ) 0.057 * * [simplify]: Extracting # 0 : cost 0 0.057 * * [simplify]: Extracting # 1 : cost 0 0.058 * * [simplify]: Extracting # 2 : cost 0 0.058 * * [simplify]: iteration 1 : 18 enodes (cost 15 ) 0.061 * * [simplify]: Extracting # 0 : cost 0 0.061 * * [simplify]: Extracting # 1 : cost 0 0.061 * * [simplify]: Extracting # 2 : cost 0 0.061 * * [simplify]: iteration 2 : 31 enodes (cost 15 ) 0.066 * * [simplify]: Extracting # 0 : cost 0 0.067 * * [simplify]: Extracting # 1 : cost 0 0.067 * * [simplify]: Extracting # 2 : cost 0 0.067 * * [simplify]: iteration 3 : 41 enodes (cost 15 ) 0.074 * * [simplify]: Extracting # 0 : cost 0 0.074 * * [simplify]: Extracting # 1 : cost 0 0.074 * * [simplify]: Extracting # 2 : cost 0 0.074 * * [simplify]: iteration 4 : 50 enodes (cost 15 ) 0.082 * * [simplify]: Extracting # 0 : cost 0 0.083 * * [simplify]: Extracting # 1 : cost 0 0.083 * * [simplify]: Extracting # 2 : cost 0 0.083 * * [simplify]: iteration 5 : 55 enodes (cost 15 ) 0.091 * * [simplify]: Extracting # 0 : cost 0 0.091 * * [simplify]: Extracting # 1 : cost 0 0.091 * * [simplify]: Extracting # 2 : cost 0 0.091 * * [simplify]: iteration 6 : 64 enodes (cost 15 ) 0.101 * * [simplify]: Extracting # 0 : cost 0 0.101 * * [simplify]: Extracting # 1 : cost 0 0.101 * * [simplify]: Extracting # 2 : cost 0 0.101 * * [simplify]: iteration 7 : 82 enodes (cost 15 ) 0.129 * * [simplify]: Extracting # 0 : cost 0 0.129 * * [simplify]: Extracting # 1 : cost 0 0.129 * * [simplify]: Extracting # 2 : cost 0 0.129 * * [simplify]: iteration 8 : 99 enodes (cost 15 ) 0.143 * * [simplify]: Extracting # 0 : cost 0 0.144 * * [simplify]: Extracting # 1 : cost 0 0.144 * * [simplify]: iteration 9 : 109 enodes (cost 15 ) 0.173 * * [simplify]: Extracting # 0 : cost 0 0.173 * * [simplify]: iteration done: 109 enodes (cost 15 ) 0.173 * [simplify]: Simplified to: (+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0))) 0.174 * * [progress]: iteration 1 / 4 0.174 * * * [progress]: picking best candidate 0.176 * * * * [pick]: Picked # 0.176 * * * [progress]: localizing error 0.187 * * * [progress]: generating rewritten candidates 0.187 * * * * [progress]: [ 1 / 4 ] rewriting at (2) 0.749 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1) 0.863 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1) 0.878 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2) 0.963 * * * [progress]: generating series expansions 0.963 * * * * [progress]: [ 1 / 4 ] generating series at (2) 0.964 * [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))) 0.964 * [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 0.964 * [taylor]: Taking taylor expansion of (- (+ (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0)))) (* 2.0 (/ 1 x))) in x 0.964 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0)))) in x 0.964 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ x 1.0))) in x 0.964 * [taylor]: Taking taylor expansion of 1.0 in x 0.964 * [backup-simplify]: Simplify 1.0 into 1.0 0.964 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x 0.964 * [taylor]: Taking taylor expansion of (+ x 1.0) in x 0.964 * [taylor]: Taking taylor expansion of x in x 0.964 * [backup-simplify]: Simplify 0 into 0 0.964 * [backup-simplify]: Simplify 1 into 1 0.964 * [taylor]: Taking taylor expansion of 1.0 in x 0.964 * [backup-simplify]: Simplify 1.0 into 1.0 0.965 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0 0.966 * [backup-simplify]: Simplify (/ 1 1.0) into 1.0 0.966 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (- x 1.0))) in x 0.966 * [taylor]: Taking taylor expansion of 1.0 in x 0.966 * [backup-simplify]: Simplify 1.0 into 1.0 0.966 * [taylor]: Taking taylor expansion of (/ 1 (- x 1.0)) in x 0.966 * [taylor]: Taking taylor expansion of (- x 1.0) in x 0.966 * [taylor]: Taking taylor expansion of x in x 0.966 * [backup-simplify]: Simplify 0 into 0 0.966 * [backup-simplify]: Simplify 1 into 1 0.966 * [taylor]: Taking taylor expansion of 1.0 in x 0.966 * [backup-simplify]: Simplify 1.0 into 1.0 0.966 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.968 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0) 0.969 * [backup-simplify]: Simplify (/ 1 (- 1.0)) into -1.0 0.969 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x 0.969 * [taylor]: Taking taylor expansion of 2.0 in x 0.969 * [backup-simplify]: Simplify 2.0 into 2.0 0.969 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.969 * [taylor]: Taking taylor expansion of x in x 0.969 * [backup-simplify]: Simplify 0 into 0 0.969 * [backup-simplify]: Simplify 1 into 1 0.969 * [backup-simplify]: Simplify (/ 1 1) into 1 0.969 * [taylor]: Taking taylor expansion of (- (+ (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0)))) (* 2.0 (/ 1 x))) in x 0.969 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0)))) in x 0.969 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ x 1.0))) in x 0.969 * [taylor]: Taking taylor expansion of 1.0 in x 0.969 * [backup-simplify]: Simplify 1.0 into 1.0 0.969 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x 0.969 * [taylor]: Taking taylor expansion of (+ x 1.0) in x 0.969 * [taylor]: Taking taylor expansion of x in x 0.969 * [backup-simplify]: Simplify 0 into 0 0.970 * [backup-simplify]: Simplify 1 into 1 0.970 * [taylor]: Taking taylor expansion of 1.0 in x 0.970 * [backup-simplify]: Simplify 1.0 into 1.0 0.970 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0 0.971 * [backup-simplify]: Simplify (/ 1 1.0) into 1.0 0.971 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (- x 1.0))) in x 0.971 * [taylor]: Taking taylor expansion of 1.0 in x 0.971 * [backup-simplify]: Simplify 1.0 into 1.0 0.971 * [taylor]: Taking taylor expansion of (/ 1 (- x 1.0)) in x 0.971 * [taylor]: Taking taylor expansion of (- x 1.0) in x 0.971 * [taylor]: Taking taylor expansion of x in x 0.971 * [backup-simplify]: Simplify 0 into 0 0.971 * [backup-simplify]: Simplify 1 into 1 0.971 * [taylor]: Taking taylor expansion of 1.0 in x 0.971 * [backup-simplify]: Simplify 1.0 into 1.0 0.971 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.972 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0) 0.972 * [backup-simplify]: Simplify (/ 1 (- 1.0)) into -1.0 0.972 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x 0.972 * [taylor]: Taking taylor expansion of 2.0 in x 0.972 * [backup-simplify]: Simplify 2.0 into 2.0 0.972 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.972 * [taylor]: Taking taylor expansion of x in x 0.972 * [backup-simplify]: Simplify 0 into 0 0.972 * [backup-simplify]: Simplify 1 into 1 0.973 * [backup-simplify]: Simplify (/ 1 1) into 1 0.973 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 0.973 * [backup-simplify]: Simplify (- 2.0) into (- 2.0) 0.974 * [backup-simplify]: Simplify (+ 0 (- 2.0)) into (- 2.0) 0.974 * [backup-simplify]: Simplify (- 2.0) into (- 2.0) 0.974 * [backup-simplify]: Simplify (* 1.0 1.0) into 1.0 0.974 * [backup-simplify]: Simplify (* 1.0 -1.0) into -1.0 0.975 * [backup-simplify]: Simplify (+ 1.0 -1.0) into 0 0.975 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.976 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 0.976 * [backup-simplify]: Simplify (- 0) into 0 0.976 * [backup-simplify]: Simplify (+ 0 0) into 0 0.976 * [backup-simplify]: Simplify 0 into 0 0.976 * [backup-simplify]: Simplify (+ 1 0) into 1 0.978 * [backup-simplify]: Simplify (- (+ (* 1.0 (/ 1 1.0)))) into (- 1.0) 0.979 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (* 0 1.0)) into (- 1.0) 0.979 * [backup-simplify]: Simplify (- 0) into 0 0.979 * [backup-simplify]: Simplify (+ 1 0) into 1 0.981 * [backup-simplify]: Simplify (- (+ (* -1.0 (/ 1 (- 1.0))))) into (- 1.0) 0.982 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (* 0 -1.0)) into (- 1.0) 0.983 * [backup-simplify]: Simplify (+ (- 1.0) (- 1.0)) into (- 2.0) 0.983 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.984 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0 0.984 * [backup-simplify]: Simplify (- 0) into 0 0.985 * [backup-simplify]: Simplify (+ (- 2.0) 0) into (- 2.0) 0.985 * [backup-simplify]: Simplify (- 2.0) into (- 2.0) 0.985 * [backup-simplify]: Simplify (+ 0 0) into 0 0.987 * [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 (- 0) into 0 0.989 * [backup-simplify]: Simplify (+ 0 0) into 0 0.992 * [backup-simplify]: Simplify (- (+ (* -1.0 (/ 0 (- 1.0))) (* (- 1.0) (/ 1 (- 1.0))))) into (- 1.0) 0.993 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (+ (* 0 (- 1.0)) (* 0 -1.0))) into (- 1.0) 0.994 * [backup-simplify]: Simplify (+ 1.0 (- 1.0)) into 0 0.995 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.995 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.996 * [backup-simplify]: Simplify (- 0) into 0 0.996 * [backup-simplify]: Simplify (+ 0 0) into 0 0.996 * [backup-simplify]: Simplify 0 into 0 0.996 * [backup-simplify]: Simplify (+ 0 0) into 0 0.999 * [backup-simplify]: Simplify (- (+ (* 1.0 (/ 0 1.0)) (* (- 1.0) (/ 0 1.0)) (* 1.0 (/ 1 1.0)))) into (- 1.0) 1.000 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (+ (* 0 1.0) (+ (* 0 (- 1.0)) (* 0 1.0)))) into (- 1.0) 1.000 * [backup-simplify]: Simplify (- 0) into 0 1.001 * [backup-simplify]: Simplify (+ 0 0) into 0 1.005 * [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) 1.010 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.011 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.012 * [backup-simplify]: Simplify (- 0) into 0 1.012 * [backup-simplify]: Simplify (+ (- 2.0) 0) into (- 2.0) 1.013 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)