0.488 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.108 * * * [progress]: [2/2] Setting up program. 0.110 * [progress]: [Phase 2 of 3] Improving. 0.111 * [simplify]: Simplifying: (/ (- (exp x) (exp (- x))) 2.0) 0.111 * * [simplify]: Extracting # 0 : cost 0 0.111 * * [simplify]: Extracting # 1 : cost 0 0.111 * * [simplify]: Extracting # 2 : cost 0 0.111 * * [simplify]: Extracting # 3 : cost 0 0.111 * * [simplify]: Extracting # 4 : cost 0 0.111 * * [simplify]: Extracting # 5 : cost 0 0.111 * * [simplify]: iteration 0 : 7 enodes (cost 8 ) 0.112 * * [simplify]: Extracting # 0 : cost 0 0.112 * * [simplify]: Extracting # 1 : cost 0 0.112 * * [simplify]: Extracting # 2 : cost 0 0.112 * * [simplify]: iteration 1 : 14 enodes (cost 8 ) 0.115 * * [simplify]: Extracting # 0 : cost 0 0.115 * * [simplify]: Extracting # 1 : cost 0 0.115 * * [simplify]: Extracting # 2 : cost 0 0.115 * * [simplify]: iteration 2 : 24 enodes (cost 8 ) 0.119 * * [simplify]: Extracting # 0 : cost 0 0.119 * * [simplify]: Extracting # 1 : cost 0 0.119 * * [simplify]: Extracting # 2 : cost 0 0.119 * * [simplify]: iteration 3 : 30 enodes (cost 8 ) 0.124 * * [simplify]: Extracting # 0 : cost 0 0.124 * * [simplify]: Extracting # 1 : cost 0 0.124 * * [simplify]: Extracting # 2 : cost 0 0.124 * * [simplify]: iteration 4 : 34 enodes (cost 8 ) 0.130 * * [simplify]: Extracting # 0 : cost 0 0.131 * * [simplify]: Extracting # 1 : cost 0 0.131 * * [simplify]: iteration done: 34 enodes (cost 8 ) 0.131 * [simplify]: Simplified to: (/ (- (exp x) (exp (- x))) 2.0) 0.131 * * [progress]: iteration 1 / 4 0.131 * * * [progress]: picking best candidate 0.133 * * * * [pick]: Picked # 0.133 * * * [progress]: localizing error 0.142 * * * [progress]: generating rewritten candidates 0.142 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.183 * * * [progress]: generating series expansions 0.183 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.183 * [backup-simplify]: Simplify (- (exp x) (exp (- x))) into (- (exp x) (exp (- x))) 0.183 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0 0.183 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x 0.183 * [taylor]: Taking taylor expansion of (exp x) in x 0.183 * [taylor]: Taking taylor expansion of x in x 0.183 * [backup-simplify]: Simplify 0 into 0 0.183 * [backup-simplify]: Simplify 1 into 1 0.183 * [backup-simplify]: Simplify (exp 0) into 1 0.183 * [taylor]: Taking taylor expansion of (exp (- x)) in x 0.183 * [taylor]: Taking taylor expansion of (- x) in x 0.183 * [taylor]: Taking taylor expansion of x in x 0.183 * [backup-simplify]: Simplify 0 into 0 0.183 * [backup-simplify]: Simplify 1 into 1 0.184 * [backup-simplify]: Simplify (- 0) into 0 0.184 * [backup-simplify]: Simplify (- 1) into -1 0.184 * [backup-simplify]: Simplify (exp 0) into 1 0.184 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x 0.184 * [taylor]: Taking taylor expansion of (exp x) in x 0.184 * [taylor]: Taking taylor expansion of x in x 0.184 * [backup-simplify]: Simplify 0 into 0 0.184 * [backup-simplify]: Simplify 1 into 1 0.184 * [backup-simplify]: Simplify (exp 0) into 1 0.184 * [taylor]: Taking taylor expansion of (exp (- x)) in x 0.184 * [taylor]: Taking taylor expansion of (- x) in x 0.184 * [taylor]: Taking taylor expansion of x in x 0.184 * [backup-simplify]: Simplify 0 into 0 0.184 * [backup-simplify]: Simplify 1 into 1 0.185 * [backup-simplify]: Simplify (- 0) into 0 0.187 * [backup-simplify]: Simplify (- 1) into -1 0.187 * [backup-simplify]: Simplify (exp 0) into 1 0.188 * [backup-simplify]: Simplify (- 1) into -1 0.188 * [backup-simplify]: Simplify (+ 1 -1) into 0 0.188 * [backup-simplify]: Simplify 0 into 0 0.190 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1 0.190 * [backup-simplify]: Simplify (- 1) into -1 0.191 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 1) 1)))) into -1 0.192 * [backup-simplify]: Simplify (- -1) into 1 0.192 * [backup-simplify]: Simplify (+ 1 1) into 2 0.192 * [backup-simplify]: Simplify 2 into 2 0.194 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2 0.194 * [backup-simplify]: Simplify (- 1) into -1 0.195 * [backup-simplify]: Simplify (- 0) into 0 0.197 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2 0.197 * [backup-simplify]: Simplify (- 1/2) into -1/2 0.197 * [backup-simplify]: Simplify (+ 1/2 -1/2) into 0 0.197 * [backup-simplify]: Simplify 0 into 0 0.200 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 3) 6)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into 1/6 0.200 * [backup-simplify]: Simplify (- 1) into -1 0.201 * [backup-simplify]: Simplify (- 1) into -1 0.201 * [backup-simplify]: Simplify (- 0) into 0 0.202 * [backup-simplify]: Simplify (- 0) into 0 0.204 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 3) 6)) (* (/ (pow -1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into -1/6 0.205 * [backup-simplify]: Simplify (- -1/6) into 1/6 0.205 * [backup-simplify]: Simplify (+ 1/6 1/6) into 1/3 0.205 * [backup-simplify]: Simplify 1/3 into 1/3 0.209 * [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 0.210 * [backup-simplify]: Simplify (- 1) into -1 0.210 * [backup-simplify]: Simplify (- 1) into -1 0.211 * [backup-simplify]: Simplify (- 0) into 0 0.211 * [backup-simplify]: Simplify (- 1) into -1 0.211 * [backup-simplify]: Simplify (- 0) into 0 0.212 * [backup-simplify]: Simplify (- 0) into 0 0.212 * [backup-simplify]: Simplify (- 0) into 0 0.217 * [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 0.218 * [backup-simplify]: Simplify (- 1/24) into -1/24 0.218 * [backup-simplify]: Simplify (+ 1/24 -1/24) into 0 0.218 * [backup-simplify]: Simplify 0 into 0 0.224 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 5) 120)) (* (/ (pow 1 3) 6) (/ (pow 0 1) 1)) (* (/ (pow 1 2) 2) (/ (pow 0 1) 1)) (* (/ (pow 1 1) 1) (/ (pow 0 2) 2)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into 1/120 0.225 * [backup-simplify]: Simplify (- 1) into -1 0.226 * [backup-simplify]: Simplify (- 1) into -1 0.226 * [backup-simplify]: Simplify (- 0) into 0 0.226 * [backup-simplify]: Simplify (- 1) into -1 0.227 * [backup-simplify]: Simplify (- 0) into 0 0.227 * [backup-simplify]: Simplify (- 1) into -1 0.228 * [backup-simplify]: Simplify (- 0) into 0 0.228 * [backup-simplify]: Simplify (- 1) into -1 0.228 * [backup-simplify]: Simplify (- 0) into 0 0.229 * [backup-simplify]: Simplify (- 0) into 0 0.229 * [backup-simplify]: Simplify (- 0) into 0 0.229 * [backup-simplify]: Simplify (- 0) into 0 0.235 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow -1 5) 120)) (* (/ (pow -1 3) 6) (/ (pow 0 1) 1)) (* (/ (pow -1 2) 2) (/ (pow 0 1) 1)) (* (/ (pow -1 1) 1) (/ (pow 0 2) 2)) (* (/ (pow -1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into -1/120 0.236 * [backup-simplify]: Simplify (- -1/120) into 1/120 0.236 * [backup-simplify]: Simplify (+ 1/120 1/120) into 1/60 0.236 * [backup-simplify]: Simplify 1/60 into 1/60