20.473 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.021 * * * [progress]: [2/2] Setting up program. 0.023 * [progress]: [Phase 2 of 3] Improving. 0.024 * [simplify]: Simplifying: (- (* (* x x) 2.0) 1.0) 0.024 * * [simplify]: Extracting # 0 : cost 0 0.024 * * [simplify]: Extracting # 1 : cost 0 0.024 * * [simplify]: Extracting # 2 : cost 0 0.024 * * [simplify]: Extracting # 3 : cost 0 0.024 * * [simplify]: Extracting # 4 : cost 0 0.024 * * [simplify]: Extracting # 5 : cost 0 0.024 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.027 * * [simplify]: Extracting # 0 : cost 0 0.028 * * [simplify]: Extracting # 1 : cost 0 0.028 * * [simplify]: Extracting # 2 : cost 0 0.028 * * [simplify]: iteration 1 : 12 enodes (cost 7 ) 0.033 * * [simplify]: Extracting # 0 : cost 0 0.033 * * [simplify]: iteration 2 : 18 enodes (cost 7 ) 0.039 * * [simplify]: Extracting # 0 : cost 0 0.040 * * [simplify]: iteration 3 : 19 enodes (cost 7 ) 0.047 * * [simplify]: Extracting # 0 : cost 0 0.047 * * [simplify]: iteration done: 19 enodes (cost 7 ) 0.047 * [simplify]: Simplified to: (- (* (* x x) 2.0) 1.0) 0.047 * * [progress]: iteration 1 / 4 0.047 * * * [progress]: picking best candidate 0.049 * * * * [pick]: Picked # 0.049 * * * [progress]: localizing error 0.060 * * * [progress]: generating rewritten candidates 0.060 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 0.103 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 0.131 * * * [progress]: generating series expansions 0.131 * * * * [progress]: [ 1 / 2 ] generating series at (2) 0.131 * [backup-simplify]: Simplify (- (* (* x x) 2.0) 1.0) into (- (* 2.0 (pow x 2)) 1.0) 0.131 * [approximate]: Taking taylor expansion of (- (* 2.0 (pow x 2)) 1.0) in (x) around 0 0.131 * [taylor]: Taking taylor expansion of (- (* 2.0 (pow x 2)) 1.0) in x 0.131 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.131 * [taylor]: Taking taylor expansion of 2.0 in x 0.131 * [backup-simplify]: Simplify 2.0 into 2.0 0.131 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.131 * [taylor]: Taking taylor expansion of x in x 0.131 * [backup-simplify]: Simplify 0 into 0 0.131 * [backup-simplify]: Simplify 1 into 1 0.131 * [taylor]: Taking taylor expansion of 1.0 in x 0.131 * [backup-simplify]: Simplify 1.0 into 1.0 0.131 * [taylor]: Taking taylor expansion of (- (* 2.0 (pow x 2)) 1.0) in x 0.131 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.131 * [taylor]: Taking taylor expansion of 2.0 in x 0.131 * [backup-simplify]: Simplify 2.0 into 2.0 0.131 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.131 * [taylor]: Taking taylor expansion of x in x 0.131 * [backup-simplify]: Simplify 0 into 0 0.131 * [backup-simplify]: Simplify 1 into 1 0.131 * [taylor]: Taking taylor expansion of 1.0 in x 0.131 * [backup-simplify]: Simplify 1.0 into 1.0 0.132 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.133 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0) 0.133 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.133 * [backup-simplify]: Simplify (- 0) into 0 0.133 * [backup-simplify]: Simplify (+ 0 0) into 0 0.133 * [backup-simplify]: Simplify 0 into 0 0.134 * [backup-simplify]: Simplify (* 1 1) into 1 0.134 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 0.134 * [backup-simplify]: Simplify (- 0) into 0 0.134 * [backup-simplify]: Simplify (+ 2.0 0) into 2.0 0.134 * [backup-simplify]: Simplify 2.0 into 2.0 0.135 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.135 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 0.135 * [backup-simplify]: Simplify (- 0) into 0 0.136 * [backup-simplify]: Simplify (+ 0 0) into 0 0.136 * [backup-simplify]: Simplify 0 into 0 0.136 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.137 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0 0.137 * [backup-simplify]: Simplify (- 0) into 0 0.137 * [backup-simplify]: Simplify (+ 0 0) into 0 0.137 * [backup-simplify]: Simplify 0 into 0 0.138 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.139 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.140 * [backup-simplify]: Simplify (- 0) into 0 0.140 * [backup-simplify]: Simplify (+ 0 0) into 0 0.140 * [backup-simplify]: Simplify 0 into 0 0.141 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.143 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.143 * [backup-simplify]: Simplify (- 0) into 0 0.143 * [backup-simplify]: Simplify (+ 0 0) into 0 0.143 * [backup-simplify]: Simplify 0 into 0 0.145 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.146 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.147 * [backup-simplify]: Simplify (- 0) into 0 0.147 * [backup-simplify]: Simplify (+ 0 0) into 0 0.147 * [backup-simplify]: Simplify 0 into 0 0.149 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.150 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.151 * [backup-simplify]: Simplify (- 0) into 0 0.151 * [backup-simplify]: Simplify (+ 0 0) into 0 0.151 * [backup-simplify]: Simplify 0 into 0 0.152 * [backup-simplify]: Simplify (+ (* 2.0 (pow x 2)) (- 1.0)) into (- (* 2.0 (pow x 2)) 1.0) 0.152 * [backup-simplify]: Simplify (- (* (* (/ 1 x) (/ 1 x)) 2.0) 1.0) into (- (* 2.0 (/ 1 (pow x 2))) 1.0) 0.152 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in (x) around 0 0.152 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x 0.152 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x 0.152 * [taylor]: Taking taylor expansion of 2.0 in x 0.152 * [backup-simplify]: Simplify 2.0 into 2.0 0.152 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.152 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.152 * [taylor]: Taking taylor expansion of x in x 0.152 * [backup-simplify]: Simplify 0 into 0 0.152 * [backup-simplify]: Simplify 1 into 1 0.153 * [backup-simplify]: Simplify (* 1 1) into 1 0.153 * [backup-simplify]: Simplify (/ 1 1) into 1 0.153 * [taylor]: Taking taylor expansion of 1.0 in x 0.153 * [backup-simplify]: Simplify 1.0 into 1.0 0.153 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x 0.153 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x 0.154 * [taylor]: Taking taylor expansion of 2.0 in x 0.154 * [backup-simplify]: Simplify 2.0 into 2.0 0.154 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.154 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.154 * [taylor]: Taking taylor expansion of x in x 0.154 * [backup-simplify]: Simplify 0 into 0 0.154 * [backup-simplify]: Simplify 1 into 1 0.154 * [backup-simplify]: Simplify (* 1 1) into 1 0.155 * [backup-simplify]: Simplify (/ 1 1) into 1 0.155 * [taylor]: Taking taylor expansion of 1.0 in x 0.155 * [backup-simplify]: Simplify 1.0 into 1.0 0.155 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 0.156 * [backup-simplify]: Simplify (+ 2.0 0) into 2.0 0.156 * [backup-simplify]: Simplify 2.0 into 2.0 0.156 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.157 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.158 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 0.158 * [backup-simplify]: Simplify (+ 0 0) into 0 0.158 * [backup-simplify]: Simplify 0 into 0 0.159 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.160 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.161 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0 0.161 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.162 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0) 0.163 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.164 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.165 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.166 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.166 * [backup-simplify]: Simplify (- 0) into 0 0.167 * [backup-simplify]: Simplify (+ 0 0) into 0 0.167 * [backup-simplify]: Simplify 0 into 0 0.168 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.169 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.170 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.171 * [backup-simplify]: Simplify (- 0) into 0 0.171 * [backup-simplify]: Simplify (+ 0 0) into 0 0.171 * [backup-simplify]: Simplify 0 into 0 0.173 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.174 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.175 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.176 * [backup-simplify]: Simplify (- 0) into 0 0.176 * [backup-simplify]: Simplify (+ 0 0) into 0 0.176 * [backup-simplify]: Simplify 0 into 0 0.178 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.179 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.180 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.181 * [backup-simplify]: Simplify (- 0) into 0 0.181 * [backup-simplify]: Simplify (+ 0 0) into 0 0.181 * [backup-simplify]: Simplify 0 into 0 0.183 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0 0.184 * [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 0.186 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0 0.187 * [backup-simplify]: Simplify (- 0) into 0 0.187 * [backup-simplify]: Simplify (+ 0 0) into 0 0.187 * [backup-simplify]: Simplify 0 into 0 0.189 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))))) into 0 0.190 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.192 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))))) into 0 0.192 * [backup-simplify]: Simplify (- 0) into 0 0.193 * [backup-simplify]: Simplify (+ 0 0) into 0 0.193 * [backup-simplify]: Simplify 0 into 0 0.193 * [backup-simplify]: Simplify (+ (- 1.0) (* 2.0 (pow (/ 1 (/ 1 x)) 2))) into (- (* 2.0 (pow x 2)) 1.0) 0.194 * [backup-simplify]: Simplify (- (* (* (/ 1 (- x)) (/ 1 (- x))) 2.0) 1.0) into (- (* 2.0 (/ 1 (pow x 2))) 1.0) 0.194 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in (x) around 0 0.194 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x 0.194 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x 0.194 * [taylor]: Taking taylor expansion of 2.0 in x 0.194 * [backup-simplify]: Simplify 2.0 into 2.0 0.194 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.194 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.194 * [taylor]: Taking taylor expansion of x in x 0.194 * [backup-simplify]: Simplify 0 into 0 0.194 * [backup-simplify]: Simplify 1 into 1 0.194 * [backup-simplify]: Simplify (* 1 1) into 1 0.195 * [backup-simplify]: Simplify (/ 1 1) into 1 0.195 * [taylor]: Taking taylor expansion of 1.0 in x 0.195 * [backup-simplify]: Simplify 1.0 into 1.0 0.195 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x 0.195 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x 0.195 * [taylor]: Taking taylor expansion of 2.0 in x 0.195 * [backup-simplify]: Simplify 2.0 into 2.0 0.195 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.195 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.195 * [taylor]: Taking taylor expansion of x in x 0.195 * [backup-simplify]: Simplify 0 into 0 0.195 * [backup-simplify]: Simplify 1 into 1 0.196 * [backup-simplify]: Simplify (* 1 1) into 1 0.196 * [backup-simplify]: Simplify (/ 1 1) into 1 0.196 * [taylor]: Taking taylor expansion of 1.0 in x 0.196 * [backup-simplify]: Simplify 1.0 into 1.0 0.196 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 0.197 * [backup-simplify]: Simplify (+ 2.0 0) into 2.0 0.197 * [backup-simplify]: Simplify 2.0 into 2.0 0.198 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.198 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.199 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 0.199 * [backup-simplify]: Simplify (+ 0 0) into 0 0.199 * [backup-simplify]: Simplify 0 into 0 0.200 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.201 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.202 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0 0.203 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.204 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0) 0.204 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.205 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.206 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.207 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.207 * [backup-simplify]: Simplify (- 0) into 0 0.208 * [backup-simplify]: Simplify (+ 0 0) into 0 0.208 * [backup-simplify]: Simplify 0 into 0 0.209 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.210 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.211 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.212 * [backup-simplify]: Simplify (- 0) into 0 0.212 * [backup-simplify]: Simplify (+ 0 0) into 0 0.212 * [backup-simplify]: Simplify 0 into 0 0.214 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.214 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.216 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.217 * [backup-simplify]: Simplify (- 0) into 0 0.217 * [backup-simplify]: Simplify (+ 0 0) into 0 0.217 * [backup-simplify]: Simplify 0 into 0 0.219 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.220 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.221 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.222 * [backup-simplify]: Simplify (- 0) into 0 0.222 * [backup-simplify]: Simplify (+ 0 0) into 0 0.222 * [backup-simplify]: Simplify 0 into 0 0.224 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0 0.225 * [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 0.227 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0 0.227 * [backup-simplify]: Simplify (- 0) into 0 0.228 * [backup-simplify]: Simplify (+ 0 0) into 0 0.228 * [backup-simplify]: Simplify 0 into 0 0.230 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))))) into 0 0.231 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.233 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))))) into 0 0.233 * [backup-simplify]: Simplify (- 0) into 0 0.233 * [backup-simplify]: Simplify (+ 0 0) into 0 0.234 * [backup-simplify]: Simplify 0 into 0 0.234 * [backup-simplify]: Simplify (+ (- 1.0) (* 2.0 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 2.0 (pow x 2)) 1.0) 0.234 * * * * [progress]: [ 2 / 2 ] generating series at (2 1) 0.234 * [backup-simplify]: Simplify (* (* x x) 2.0) into (* 2.0 (pow x 2)) 0.235 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0 0.235 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.235 * [taylor]: Taking taylor expansion of 2.0 in x 0.235 * [backup-simplify]: Simplify 2.0 into 2.0 0.235 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.235 * [taylor]: Taking taylor expansion of x in x 0.235 * [backup-simplify]: Simplify 0 into 0 0.235 * [backup-simplify]: Simplify 1 into 1 0.235 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.235 * [taylor]: Taking taylor expansion of 2.0 in x 0.235 * [backup-simplify]: Simplify 2.0 into 2.0 0.235 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.235 * [taylor]: Taking taylor expansion of x in x 0.235 * [backup-simplify]: Simplify 0 into 0 0.235 * [backup-simplify]: Simplify 1 into 1 0.235 * [backup-simplify]: Simplify (* 1 1) into 1 0.236 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 0.236 * [backup-simplify]: Simplify 2.0 into 2.0 0.237 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.238 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 0.238 * [backup-simplify]: Simplify 0 into 0 0.239 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.240 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0 0.240 * [backup-simplify]: Simplify 0 into 0 0.241 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.242 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.242 * [backup-simplify]: Simplify 0 into 0 0.243 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.244 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.245 * [backup-simplify]: Simplify 0 into 0 0.245 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.246 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.246 * [backup-simplify]: Simplify 0 into 0 0.247 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.248 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.248 * [backup-simplify]: Simplify 0 into 0 0.248 * [backup-simplify]: Simplify (* 2.0 (pow x 2)) into (* 2.0 (pow x 2)) 0.248 * [backup-simplify]: Simplify (* (* (/ 1 x) (/ 1 x)) 2.0) into (/ 2.0 (pow x 2)) 0.248 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.248 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.248 * [taylor]: Taking taylor expansion of 2.0 in x 0.248 * [backup-simplify]: Simplify 2.0 into 2.0 0.248 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.248 * [taylor]: Taking taylor expansion of x in x 0.248 * [backup-simplify]: Simplify 0 into 0 0.248 * [backup-simplify]: Simplify 1 into 1 0.249 * [backup-simplify]: Simplify (* 1 1) into 1 0.249 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.249 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.249 * [taylor]: Taking taylor expansion of 2.0 in x 0.249 * [backup-simplify]: Simplify 2.0 into 2.0 0.249 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.249 * [taylor]: Taking taylor expansion of x in x 0.249 * [backup-simplify]: Simplify 0 into 0 0.249 * [backup-simplify]: Simplify 1 into 1 0.249 * [backup-simplify]: Simplify (* 1 1) into 1 0.250 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.250 * [backup-simplify]: Simplify 2.0 into 2.0 0.250 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.250 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0 0.250 * [backup-simplify]: Simplify 0 into 0 0.251 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.252 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.252 * [backup-simplify]: Simplify 0 into 0 0.252 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.253 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.253 * [backup-simplify]: Simplify 0 into 0 0.259 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.260 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.260 * [backup-simplify]: Simplify 0 into 0 0.261 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.261 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.261 * [backup-simplify]: Simplify 0 into 0 0.262 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.263 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.263 * [backup-simplify]: Simplify 0 into 0 0.263 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 x)) 2)) into (* 2.0 (pow x 2)) 0.263 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (/ 1 (- x))) 2.0) into (/ 2.0 (pow x 2)) 0.263 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.263 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.263 * [taylor]: Taking taylor expansion of 2.0 in x 0.263 * [backup-simplify]: Simplify 2.0 into 2.0 0.263 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.263 * [taylor]: Taking taylor expansion of x in x 0.263 * [backup-simplify]: Simplify 0 into 0 0.263 * [backup-simplify]: Simplify 1 into 1 0.263 * [backup-simplify]: Simplify (* 1 1) into 1 0.264 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.264 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.264 * [taylor]: Taking taylor expansion of 2.0 in x 0.264 * [backup-simplify]: Simplify 2.0 into 2.0 0.264 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.264 * [taylor]: Taking taylor expansion of x in x 0.264 * [backup-simplify]: Simplify 0 into 0 0.264 * [backup-simplify]: Simplify 1 into 1 0.264 * [backup-simplify]: Simplify (* 1 1) into 1 0.264 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.265 * [backup-simplify]: Simplify 2.0 into 2.0 0.265 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.265 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0 0.265 * [backup-simplify]: Simplify 0 into 0 0.266 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.267 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.267 * [backup-simplify]: Simplify 0 into 0 0.267 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.268 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.268 * [backup-simplify]: Simplify 0 into 0 0.268 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.269 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.269 * [backup-simplify]: Simplify 0 into 0 0.270 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.270 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.270 * [backup-simplify]: Simplify 0 into 0 0.271 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.272 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.272 * [backup-simplify]: Simplify 0 into 0 0.272 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 (- x))) 2)) into (* 2.0 (pow x 2)) 0.272 * * * [progress]: simplifying candidates 0.273 * [simplify]: Simplifying: (fma (* x x) 2.0 (- (* (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 x) 2.0 (- (* (sqrt 1.0) (sqrt 1.0)))) (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) (fma (* x x) 2.0 (- (* 1.0 1))) (fma (- 1.0) 1 (* 1.0 1)) (expm1 (- (* (* x x) 2.0) 1.0)) (log1p (- (* (* x x) 2.0) 1.0)) (- 1.0) (/ (exp (* (* x x) 2.0)) (exp 1.0)) (log (- (* (* x x) 2.0) 1.0)) (exp (- (* (* x x) 2.0) 1.0)) (* (cbrt (- (* (* x x) 2.0) 1.0)) (cbrt (- (* (* x x) 2.0) 1.0))) (cbrt (- (* (* x x) 2.0) 1.0)) (* (* (- (* (* x x) 2.0) 1.0) (- (* (* x x) 2.0) 1.0)) (- (* (* x x) 2.0) 1.0)) (sqrt (- (* (* x x) 2.0) 1.0)) (sqrt (- (* (* x x) 2.0) 1.0)) (- (pow (* (* x x) 2.0) 3) (pow 1.0 3)) (+ (* (* (* x x) 2.0) (* (* x x) 2.0)) (+ (* 1.0 1.0) (* (* (* x x) 2.0) 1.0))) (- 1.0) (- (* (* (* x x) 2.0) (* (* x x) 2.0)) (* 1.0 1.0)) (+ (* (* x x) 2.0) 1.0) (- 1.0) (expm1 (* (* x x) 2.0)) (log1p (* (* x x) 2.0)) (* (* x x) 2.0) (* (* x x) 2.0) (+ (+ (log x) (log x)) (log 2.0)) (+ (log (* x x)) (log 2.0)) (log (* (* x x) 2.0)) (exp (* (* x x) 2.0)) (* (* (* (* x x) x) (* (* x x) x)) (* (* 2.0 2.0) 2.0)) (* (* (* (* x x) (* x x)) (* x x)) (* (* 2.0 2.0) 2.0)) (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0))) (cbrt (* (* x x) 2.0)) (* (* (* (* x x) 2.0) (* (* x x) 2.0)) (* (* x x) 2.0)) (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0)) (* x (sqrt 2.0)) (* x (sqrt 2.0)) (* (* x x) (* (cbrt 2.0) (cbrt 2.0))) (* (* x x) (sqrt 2.0)) (* (* x x) 1) (* x 2.0) (- (* 2.0 (pow x 2)) 1.0) (- (* 2.0 (pow x 2)) 1.0) (- (* 2.0 (pow x 2)) 1.0) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) 0.274 * * [simplify]: Extracting # 0 : cost 0 0.274 * * [simplify]: Extracting # 1 : cost 0 0.274 * * [simplify]: Extracting # 2 : cost 0 0.274 * * [simplify]: Extracting # 3 : cost 0 0.274 * * [simplify]: Extracting # 4 : cost 0 0.274 * * [simplify]: Extracting # 5 : cost 0 0.274 * * [simplify]: iteration 0 : 81 enodes (cost 434 ) 0.303 * * [simplify]: Extracting # 0 : cost 0 0.303 * * [simplify]: Extracting # 1 : cost 0 0.304 * * [simplify]: Extracting # 2 : cost 0 0.304 * * [simplify]: Extracting # 3 : cost 0 0.305 * * [simplify]: iteration 1 : 182 enodes (cost 385 ) 0.393 * * [simplify]: Extracting # 0 : cost 0 0.394 * * [simplify]: Extracting # 1 : cost 0 0.395 * * [simplify]: Extracting # 2 : cost 0 0.396 * * [simplify]: Extracting # 3 : cost 0 0.397 * * [simplify]: Extracting # 4 : cost 0 0.398 * * [simplify]: iteration 2 : 506 enodes (cost 335 ) 0.883 * * [simplify]: Extracting # 0 : cost 0 0.885 * * [simplify]: Extracting # 1 : cost 0 0.887 * * [simplify]: Extracting # 2 : cost 0 0.894 * * [simplify]: Extracting # 3 : cost 0 0.896 * * [simplify]: Extracting # 4 : cost 0 0.897 * * [simplify]: iteration 3 : 1558 enodes (cost 332 ) 3.372 * * [simplify]: Extracting # 0 : cost 0 3.376 * * [simplify]: Extracting # 1 : cost 0 3.380 * * [simplify]: Extracting # 2 : cost 0 3.392 * * [simplify]: Extracting # 3 : cost 0 3.398 * * [simplify]: Extracting # 4 : cost 0 3.404 * * [simplify]: iteration 4 : 4085 enodes (cost 326 ) 4.923 * * [simplify]: Extracting # 0 : cost 0 4.932 * * [simplify]: Extracting # 1 : cost 0 4.940 * * [simplify]: iteration done: 5000 enodes (cost 326 ) 4.941 * [simplify]: Simplified to: (fma (* x 2.0) x (- 1.0)) 0 (fma (* x 2.0) x (- 1.0)) 0 (fma (* x 2.0) x (- 1.0)) 0 (expm1 (- (* (* x x) 2.0) 1.0)) (log1p (- (* (* x x) 2.0) 1.0)) (- 1.0) (exp (- (* (* x x) 2.0) 1.0)) (log (- (* (* x x) 2.0) 1.0)) (exp (- (* (* x x) 2.0) 1.0)) (* (cbrt (- (* (* x x) 2.0) 1.0)) (cbrt (- (* (* x x) 2.0) 1.0))) (cbrt (- (* (* x x) 2.0) 1.0)) (pow (- (* (* x x) 2.0) 1.0) 3) (sqrt (- (* (* x x) 2.0) 1.0)) (sqrt (- (* (* x x) 2.0) 1.0)) (- (pow (* (* x x) 2.0) 3) (pow 1.0 3)) (fma (pow x 4) (* 2.0 2.0) (* 1.0 (fma (pow x 2) 2.0 1.0))) (- 1.0) (fma (* 2.0 (pow x 4)) 2.0 (- (* 1.0 1.0))) (fma (* x 2.0) x 1.0) (- 1.0) (expm1 (* (* x x) 2.0)) (log1p (* (* x x) 2.0)) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) (log (* 2.0 (pow x 2))) (log (* 2.0 (pow x 2))) (log (* 2.0 (pow x 2))) (exp (* (* x x) 2.0)) (pow (* 2.0 (pow x 2)) 3) (pow (* 2.0 (pow x 2)) 3) (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0))) (cbrt (* (* x x) 2.0)) (pow (* 2.0 (pow x 2)) 3) (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0)) (* x (sqrt 2.0)) (* x (sqrt 2.0)) (* (* x x) (* (cbrt 2.0) (cbrt 2.0))) (* (* x x) (sqrt 2.0)) (* x x) (* x 2.0) (fma (* x 2.0) x (- 1.0)) (fma (* x 2.0) x (- 1.0)) (fma (* x 2.0) x (- 1.0)) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) 4.942 * * * [progress]: adding candidates to table 5.045 * * [progress]: iteration 2 / 4 5.045 * * * [progress]: picking best candidate 5.046 * * * * [pick]: Picked # 5.046 * * * [progress]: localizing error 5.053 * * * [progress]: generating rewritten candidates 5.053 * * * [progress]: generating series expansions 5.053 * * * [progress]: simplifying candidates 5.053 * [simplify]: Simplifying: 5.053 * * [simplify]: Extracting # 0 : cost 0 5.053 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 5.058 * * [simplify]: Extracting # 0 : cost 0 5.058 * * [simplify]: iteration done: 0 enodes (cost 0 ) 5.058 * [simplify]: Simplified to: 5.058 * * * [progress]: adding candidates to table 5.058 * [progress]: [Phase 3 of 3] Extracting. 5.062 * [simplify]: Simplifying: (+ (fma (* x 2.0) x (- 1.0)) 0) 5.062 * * [simplify]: Extracting # 0 : cost 0 5.062 * * [simplify]: Extracting # 1 : cost 0 5.062 * * [simplify]: Extracting # 2 : cost 0 5.062 * * [simplify]: Extracting # 3 : cost 0 5.062 * * [simplify]: Extracting # 4 : cost 0 5.062 * * [simplify]: Extracting # 5 : cost 0 5.062 * * [simplify]: iteration 0 : 8 enodes (cost 9 ) 5.063 * * [simplify]: Extracting # 0 : cost 0 5.064 * * [simplify]: iteration 1 : 10 enodes (cost 7 ) 5.065 * * [simplify]: Extracting # 0 : cost 0 5.065 * * [simplify]: iteration done: 10 enodes (cost 7 ) 5.065 * [simplify]: Simplified to: (fma (* x 2.0) x (- 1.0)) 6.142 * [regime-testing]: Baseline error score: 0 6.146 * [regime-testing]: Oracle error score: 0 6.146 * [regime-testing]: End program error score: 0