31.536 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.077 * * * [progress]: [2/2] Setting up program. 0.082 * [progress]: [Phase 2 of 3] Improving. 0.082 * [simplify]: Simplifying: (- (exp x) 1.0) 0.083 * * [simplify]: iteration 0: 4 enodes 0.085 * * [simplify]: iteration 1: 6 enodes 0.087 * * [simplify]: iteration 2: 7 enodes 0.090 * * [simplify]: iteration complete: 7 enodes 0.090 * * [simplify]: Extracting #0: cost 1 inf + 0 0.090 * * [simplify]: Extracting #1: cost 4 inf + 0 0.090 * * [simplify]: Extracting #2: cost 4 inf + 1 0.090 * * [simplify]: Extracting #3: cost 1 inf + 114 0.090 * * [simplify]: Extracting #4: cost 0 inf + 226 0.090 * [simplify]: Simplified to: (- (exp x) 1.0) 0.091 * * [progress]: iteration 1 / 4 0.091 * * * [progress]: picking best candidate 0.097 * * * * [pick]: Picked # 0.097 * * * [progress]: localizing error 0.108 * * * [progress]: generating rewritten candidates 0.108 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.151 * * * [progress]: generating series expansions 0.151 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.151 * [backup-simplify]: Simplify (- (exp x) 1.0) into (- (exp x) 1.0) 0.151 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0 0.151 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x 0.151 * [taylor]: Taking taylor expansion of (exp x) in x 0.151 * [taylor]: Taking taylor expansion of x in x 0.151 * [backup-simplify]: Simplify 0 into 0 0.151 * [backup-simplify]: Simplify 1 into 1 0.151 * [backup-simplify]: Simplify (exp 0) into 1 0.151 * [taylor]: Taking taylor expansion of 1.0 in x 0.151 * [backup-simplify]: Simplify 1.0 into 1.0 0.152 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x 0.152 * [taylor]: Taking taylor expansion of (exp x) 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 0.152 * [backup-simplify]: Simplify (exp 0) into 1 0.152 * [taylor]: Taking taylor expansion of 1.0 in x 0.152 * [backup-simplify]: Simplify 1.0 into 1.0 0.152 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.153 * [backup-simplify]: Simplify (+ 1 (- 1.0)) into 0 0.153 * [backup-simplify]: Simplify 0 into 0 0.154 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1 0.154 * [backup-simplify]: Simplify (- 0) into 0 0.155 * [backup-simplify]: Simplify (+ 1 0) into 1 0.155 * [backup-simplify]: Simplify 1 into 1 0.156 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2 0.157 * [backup-simplify]: Simplify (- 0) into 0 0.157 * [backup-simplify]: Simplify (+ 1/2 0) into 1/2 0.157 * [backup-simplify]: Simplify 1/2 into 1/2 0.160 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 3) 6)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into 1/6 0.160 * [backup-simplify]: Simplify (- 0) into 0 0.162 * [backup-simplify]: Simplify (+ 1/6 0) into 1/6 0.162 * [backup-simplify]: Simplify 1/6 into 1/6 0.163 * [backup-simplify]: Simplify (+ (* 1/6 (pow x 3)) (+ (* 1/2 (pow x 2)) (* 1 x))) into (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x)) 0.163 * [backup-simplify]: Simplify (- (exp (/ 1 x)) 1.0) into (- (exp (/ 1 x)) 1.0) 0.163 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0 0.163 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x 0.163 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.163 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.163 * [taylor]: Taking taylor expansion of x in x 0.163 * [backup-simplify]: Simplify 0 into 0 0.163 * [backup-simplify]: Simplify 1 into 1 0.163 * [backup-simplify]: Simplify (/ 1 1) into 1 0.164 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x)) 0.164 * [taylor]: Taking taylor expansion of 1.0 in x 0.164 * [backup-simplify]: Simplify 1.0 into 1.0 0.164 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x 0.164 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.164 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.164 * [taylor]: Taking taylor expansion of x in x 0.164 * [backup-simplify]: Simplify 0 into 0 0.164 * [backup-simplify]: Simplify 1 into 1 0.164 * [backup-simplify]: Simplify (/ 1 1) into 1 0.164 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x)) 0.164 * [taylor]: Taking taylor expansion of 1.0 in x 0.164 * [backup-simplify]: Simplify 1.0 into 1.0 0.165 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.165 * [backup-simplify]: Simplify (+ (exp (/ 1 x)) (- 1.0)) into (- (exp (/ 1 x)) 1.0) 0.165 * [backup-simplify]: Simplify (- (exp (/ 1 x)) 1.0) into (- (exp (/ 1 x)) 1.0) 0.166 * [backup-simplify]: Simplify (- 0) into 0 0.166 * [backup-simplify]: Simplify (+ 0 0) into 0 0.166 * [backup-simplify]: Simplify 0 into 0 0.167 * [backup-simplify]: Simplify (- 0) into 0 0.167 * [backup-simplify]: Simplify (+ 0 0) into 0 0.167 * [backup-simplify]: Simplify 0 into 0 0.167 * [backup-simplify]: Simplify (- 0) into 0 0.168 * [backup-simplify]: Simplify (+ 0 0) into 0 0.168 * [backup-simplify]: Simplify 0 into 0 0.168 * [backup-simplify]: Simplify (- 0) into 0 0.169 * [backup-simplify]: Simplify (+ 0 0) into 0 0.169 * [backup-simplify]: Simplify 0 into 0 0.169 * [backup-simplify]: Simplify (- 0) into 0 0.169 * [backup-simplify]: Simplify (+ 0 0) into 0 0.169 * [backup-simplify]: Simplify 0 into 0 0.170 * [backup-simplify]: Simplify (- 0) into 0 0.170 * [backup-simplify]: Simplify (+ 0 0) into 0 0.170 * [backup-simplify]: Simplify 0 into 0 0.170 * [backup-simplify]: Simplify (- (exp (/ 1 (/ 1 x))) 1.0) into (- (exp x) 1.0) 0.171 * [backup-simplify]: Simplify (- (exp (/ 1 (- x))) 1.0) into (- (exp (/ -1 x)) 1.0) 0.171 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0 0.171 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x 0.171 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 0.171 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.171 * [taylor]: Taking taylor expansion of -1 in x 0.171 * [backup-simplify]: Simplify -1 into -1 0.171 * [taylor]: Taking taylor expansion of x in x 0.171 * [backup-simplify]: Simplify 0 into 0 0.171 * [backup-simplify]: Simplify 1 into 1 0.172 * [backup-simplify]: Simplify (/ -1 1) into -1 0.172 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x)) 0.172 * [taylor]: Taking taylor expansion of 1.0 in x 0.172 * [backup-simplify]: Simplify 1.0 into 1.0 0.172 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x 0.172 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 0.172 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.172 * [taylor]: Taking taylor expansion of -1 in x 0.172 * [backup-simplify]: Simplify -1 into -1 0.172 * [taylor]: Taking taylor expansion of x in x 0.172 * [backup-simplify]: Simplify 0 into 0 0.172 * [backup-simplify]: Simplify 1 into 1 0.172 * [backup-simplify]: Simplify (/ -1 1) into -1 0.172 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x)) 0.172 * [taylor]: Taking taylor expansion of 1.0 in x 0.172 * [backup-simplify]: Simplify 1.0 into 1.0 0.173 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.173 * [backup-simplify]: Simplify (+ (exp (/ -1 x)) (- 1.0)) into (- (exp (/ -1 x)) 1.0) 0.174 * [backup-simplify]: Simplify (- (exp (/ -1 x)) 1.0) into (- (exp (/ -1 x)) 1.0) 0.174 * [backup-simplify]: Simplify (- 0) into 0 0.174 * [backup-simplify]: Simplify (+ 0 0) into 0 0.174 * [backup-simplify]: Simplify 0 into 0 0.175 * [backup-simplify]: Simplify (- 0) into 0 0.175 * [backup-simplify]: Simplify (+ 0 0) into 0 0.175 * [backup-simplify]: Simplify 0 into 0 0.175 * [backup-simplify]: Simplify (- 0) into 0 0.176 * [backup-simplify]: Simplify (+ 0 0) into 0 0.176 * [backup-simplify]: Simplify 0 into 0 0.176 * [backup-simplify]: Simplify (- 0) into 0 0.177 * [backup-simplify]: Simplify (+ 0 0) into 0 0.177 * [backup-simplify]: Simplify 0 into 0 0.177 * [backup-simplify]: Simplify (- 0) into 0 0.177 * [backup-simplify]: Simplify (+ 0 0) into 0 0.177 * [backup-simplify]: Simplify 0 into 0 0.178 * [backup-simplify]: Simplify (- 0) into 0 0.178 * [backup-simplify]: Simplify (+ 0 0) into 0 0.178 * [backup-simplify]: Simplify 0 into 0 0.178 * [backup-simplify]: Simplify (- (exp (/ -1 (/ 1 (- x)))) 1.0) into (- (exp x) 1.0) 0.178 * * * [progress]: simplifying candidates 0.180 * [simplify]: Simplifying: (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (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 (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (sqrt 1.0) (sqrt 1.0)))) (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* 1.0 1))) (fma (- 1.0) 1 (* 1.0 1)) (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (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 (sqrt (exp x)) (sqrt (exp x)) (- (* (sqrt 1.0) (sqrt 1.0)))) (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) (fma (sqrt (exp x)) (sqrt (exp x)) (- (* 1.0 1))) (fma (- 1.0) 1 (* 1.0 1)) (fma 1 (exp x) (- (* (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 1 (exp x) (- (* (sqrt 1.0) (sqrt 1.0)))) (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) (fma 1 (exp x) (- (* 1.0 1))) (fma (- 1.0) 1 (* 1.0 1)) (expm1 (- (exp x) 1.0)) (log1p (- (exp x) 1.0)) (- 1.0) (- 1.0) (- 1.0) (/ (exp (exp x)) (exp 1.0)) (log (- (exp x) 1.0)) (exp (- (exp x) 1.0)) (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))) (cbrt (- (exp x) 1.0)) (* (* (- (exp x) 1.0) (- (exp x) 1.0)) (- (exp x) 1.0)) (sqrt (- (exp x) 1.0)) (sqrt (- (exp x) 1.0)) (- (pow (exp x) 3) (pow 1.0 3)) (+ (* (exp x) (exp x)) (+ (* 1.0 1.0) (* (exp x) 1.0))) (- 1.0) (- (* (exp x) (exp x)) (* 1.0 1.0)) (+ (exp x) 1.0) (+ (sqrt (exp x)) (sqrt 1.0)) (- (sqrt (exp x)) (sqrt 1.0)) (- (exp x) 1.0) (- 1.0) (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x)) (- (exp x) 1.0) (- (exp x) 1.0) 0.181 * * [simplify]: iteration 0: 66 enodes 0.217 * * [simplify]: iteration 1: 149 enodes 0.306 * * [simplify]: iteration 2: 300 enodes 0.553 * * [simplify]: iteration 3: 855 enodes 1.844 * * [simplify]: iteration 4: 2109 enodes 4.383 * * [simplify]: iteration complete: 5002 enodes 4.383 * * [simplify]: Extracting #0: cost 18 inf + 0 4.384 * * [simplify]: Extracting #1: cost 270 inf + 0 4.391 * * [simplify]: Extracting #2: cost 873 inf + 2462 4.414 * * [simplify]: Extracting #3: cost 682 inf + 56158 4.468 * * [simplify]: Extracting #4: cost 294 inf + 163151 4.538 * * [simplify]: Extracting #5: cost 54 inf + 228594 4.611 * * [simplify]: Extracting #6: cost 2 inf + 246574 4.681 * * [simplify]: Extracting #7: cost 0 inf + 247300 4.753 * [simplify]: Simplified to: (- (exp x) 1.0) (fma 1.0 -1 1.0) (- (exp x) 1.0) (fma 1.0 -1 1.0) (- (exp x) 1.0) (fma 1.0 -1 1.0) (- (exp x) 1.0) (fma 1.0 -1 1.0) (- (exp x) 1.0) (fma 1.0 -1 1.0) (- (exp x) 1.0) (fma 1.0 -1 1.0) (- (exp x) 1.0) (fma 1.0 -1 1.0) (- (exp x) 1.0) (fma 1.0 -1 1.0) (- (exp x) 1.0) (fma 1.0 -1 1.0) (expm1 (- (exp x) 1.0)) (log1p (- (exp x) 1.0)) (- 1.0) (- 1.0) (- 1.0) (exp (- (exp x) 1.0)) (log (- (exp x) 1.0)) (exp (- (exp x) 1.0)) (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0))) (cbrt (- (exp x) 1.0)) (* (* (- (exp x) 1.0) (- (exp x) 1.0)) (- (exp x) 1.0)) (sqrt (- (exp x) 1.0)) (sqrt (- (exp x) 1.0)) (- (exp (* 3 x)) (* 1.0 (* 1.0 1.0))) (fma 1.0 (+ (exp x) 1.0) (* (exp x) (exp x))) (- 1.0) (* (+ (exp x) 1.0) (- (exp x) 1.0)) (+ (exp x) 1.0) (+ (sqrt (exp x)) (sqrt 1.0)) (- (sqrt (exp x)) (sqrt 1.0)) (- (exp x) 1.0) (- 1.0) (fma (* x x) (fma x 1/6 1/2) x) (- (exp x) 1.0) (- (exp x) 1.0) 4.755 * * * [progress]: adding candidates to table 4.934 * * [progress]: iteration 2 / 4 4.935 * * * [progress]: picking best candidate 4.943 * * * * [pick]: Picked # 4.943 * * * [progress]: localizing error 4.961 * * * [progress]: generating rewritten candidates 4.961 * * * [progress]: generating series expansions 4.961 * * * [progress]: simplifying candidates 4.961 * [simplify]: Simplifying: 4.961 * * [simplify]: iteration 0: 0 enodes 4.962 * * [simplify]: iteration complete: 0 enodes 4.962 * * [simplify]: Extracting #0: cost 0 inf + 0 4.962 * [simplify]: Simplified to: 4.962 * * * [progress]: adding candidates to table 4.963 * [progress]: [Phase 3 of 3] Extracting. 4.970 * [simplify]: Simplifying: (fma (* x x) (fma x 1/6 1/2) x) 4.970 * * [simplify]: iteration 0: 6 enodes 4.971 * * [simplify]: iteration complete: 6 enodes 4.971 * * [simplify]: Extracting #0: cost 1 inf + 0 4.971 * * [simplify]: Extracting #1: cost 4 inf + 0 4.971 * * [simplify]: Extracting #2: cost 4 inf + 42 4.971 * * [simplify]: Extracting #3: cost 2 inf + 44 4.971 * * [simplify]: Extracting #4: cost 0 inf + 255 4.971 * [simplify]: Simplified to: (fma (* x x) (fma x 1/6 1/2) x) 8.511 * [regime-testing]: Baseline error score: 0.5117874584424267 8.528 * [regime-testing]: Oracle error score: 0.5117874584424267 8.528 * [regime-testing]: End program error score: 0.5117874584424267 8.698 * [regime-testing]: Target error score: 0.5245701800173517