0.561 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.017 * * * [progress]: [2/2] Setting up program. 0.019 * [progress]: [Phase 2 of 3] Improving. 0.020 * [simplify]: Simplifying: (/ 2.0 (+ (exp x) (exp (- x)))) 0.020 * * [simplify]: Extracting # 0 : cost 0 0.020 * * [simplify]: Extracting # 1 : cost 0 0.020 * * [simplify]: Extracting # 2 : cost 0 0.020 * * [simplify]: Extracting # 3 : cost 0 0.020 * * [simplify]: Extracting # 4 : cost 0 0.020 * * [simplify]: Extracting # 5 : cost 0 0.020 * * [simplify]: iteration 0 : 7 enodes (cost 8 ) 0.021 * * [simplify]: Extracting # 0 : cost 0 0.021 * * [simplify]: Extracting # 1 : cost 0 0.021 * * [simplify]: Extracting # 2 : cost 0 0.021 * * [simplify]: iteration 1 : 10 enodes (cost 8 ) 0.023 * * [simplify]: Extracting # 0 : cost 0 0.023 * * [simplify]: iteration 2 : 12 enodes (cost 8 ) 0.024 * * [simplify]: Extracting # 0 : cost 0 0.024 * * [simplify]: iteration done: 12 enodes (cost 8 ) 0.024 * [simplify]: Simplified to: (/ 2.0 (+ (exp x) (exp (- x)))) 0.025 * * [progress]: iteration 1 / 4 0.025 * * * [progress]: picking best candidate 0.026 * * * * [pick]: Picked # 0.026 * * * [progress]: localizing error 0.047 * * * [progress]: generating rewritten candidates 0.047 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.090 * * * [progress]: generating series expansions 0.090 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.090 * [backup-simplify]: Simplify (/ 2.0 (+ (exp x) (exp (- x)))) into (/ 2.0 (+ (exp x) (exp (- x)))) 0.090 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp x) (exp (- x)))) in (x) around 0 0.090 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp x) (exp (- x)))) in x 0.090 * [taylor]: Taking taylor expansion of 2.0 in x 0.091 * [backup-simplify]: Simplify 2.0 into 2.0 0.091 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x 0.091 * [taylor]: Taking taylor expansion of (exp x) in x 0.091 * [taylor]: Taking taylor expansion of x in x 0.091 * [backup-simplify]: Simplify 0 into 0 0.091 * [backup-simplify]: Simplify 1 into 1 0.091 * [backup-simplify]: Simplify (exp 0) into 1 0.091 * [taylor]: Taking taylor expansion of (exp (- x)) in x 0.091 * [taylor]: Taking taylor expansion of (- x) in x 0.091 * [taylor]: Taking taylor expansion of x in x 0.091 * [backup-simplify]: Simplify 0 into 0 0.091 * [backup-simplify]: Simplify 1 into 1 0.091 * [backup-simplify]: Simplify (- 0) into 0 0.092 * [backup-simplify]: Simplify (- 1) into -1 0.092 * [backup-simplify]: Simplify (exp 0) into 1 0.092 * [backup-simplify]: Simplify (+ 1 1) into 2 0.092 * [backup-simplify]: Simplify (/ 2.0 2) into 1.0 0.092 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp x) (exp (- x)))) in x 0.092 * [taylor]: Taking taylor expansion of 2.0 in x 0.092 * [backup-simplify]: Simplify 2.0 into 2.0 0.092 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x 0.092 * [taylor]: Taking taylor expansion of (exp x) in x 0.092 * [taylor]: Taking taylor expansion of x in x 0.092 * [backup-simplify]: Simplify 0 into 0 0.092 * [backup-simplify]: Simplify 1 into 1 0.093 * [backup-simplify]: Simplify (exp 0) into 1 0.093 * [taylor]: Taking taylor expansion of (exp (- x)) in x 0.093 * [taylor]: Taking taylor expansion of (- x) in x 0.093 * [taylor]: Taking taylor expansion of x in x 0.093 * [backup-simplify]: Simplify 0 into 0 0.093 * [backup-simplify]: Simplify 1 into 1 0.093 * [backup-simplify]: Simplify (- 0) into 0 0.093 * [backup-simplify]: Simplify (- 1) into -1 0.093 * [backup-simplify]: Simplify (exp 0) into 1 0.093 * [backup-simplify]: Simplify (+ 1 1) into 2 0.094 * [backup-simplify]: Simplify (/ 2.0 2) into 1.0 0.094 * [backup-simplify]: Simplify 1.0 into 1.0 0.095 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1 0.095 * [backup-simplify]: Simplify (- 1) into -1 0.096 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 1) 1)))) into -1 0.096 * [backup-simplify]: Simplify (+ 1 -1) into 0 0.096 * [backup-simplify]: Simplify (- (/ 0 2) (+ (* 1.0 (/ 0 2)))) into 0 0.097 * [backup-simplify]: Simplify 0 into 0 0.098 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2 0.098 * [backup-simplify]: Simplify (- 1) into -1 0.098 * [backup-simplify]: Simplify (- 0) into 0 0.100 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2 0.100 * [backup-simplify]: Simplify (+ 1/2 1/2) into 1 0.103 * [backup-simplify]: Simplify (- (/ 0 2) (+ (* 1.0 (/ 1 2)) (* 0 (/ 0 2)))) into (- 0.5) 0.103 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.104 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 3) 6)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into 1/6 0.105 * [backup-simplify]: Simplify (- 1) into -1 0.105 * [backup-simplify]: Simplify (- 1) into -1 0.105 * [backup-simplify]: Simplify (- 0) into 0 0.106 * [backup-simplify]: Simplify (- 0) into 0 0.107 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 3) 6)) (* (/ (pow -1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into -1/6 0.107 * [backup-simplify]: Simplify (+ 1/6 -1/6) into 0 0.108 * [backup-simplify]: Simplify (- (/ 0 2) (+ (* 1.0 (/ 0 2)) (* 0 (/ 1 2)) (* (- 0.5) (/ 0 2)))) into 0 0.108 * [backup-simplify]: Simplify 0 into 0 0.111 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 4) 24)) (* (/ (pow 1 2) 2) (/ (pow 0 1) 1)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 2) 2)) (* (/ (pow 0 1) 1)))) into 1/24 0.111 * [backup-simplify]: Simplify (- 1) into -1 0.111 * [backup-simplify]: Simplify (- 1) into -1 0.112 * [backup-simplify]: Simplify (- 0) into 0 0.112 * [backup-simplify]: Simplify (- 1) into -1 0.112 * [backup-simplify]: Simplify (- 0) into 0 0.113 * [backup-simplify]: Simplify (- 0) into 0 0.113 * [backup-simplify]: Simplify (- 0) into 0 0.115 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 4) 24)) (* (/ (pow -1 2) 2) (/ (pow 0 1) 1)) (* (/ (pow -1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 2) 2)) (* (/ (pow 0 1) 1)))) into 1/24 0.115 * [backup-simplify]: Simplify (+ 1/24 1/24) into 1/12 0.120 * [backup-simplify]: Simplify (- (/ 0 2) (+ (* 1.0 (/ 1/12 2)) (* 0 (/ 0 2)) (* (- 0.5) (/ 1 2)) (* 0 (/ 0 2)))) into 0.20833333333333334 0.120 * [backup-simplify]: Simplify 0.20833333333333334 into 0.20833333333333334