15.724 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.051 * * * [progress]: [2/2] Setting up program. 0.052 * [progress]: [Phase 2 of 3] Improving. 0.052 * [simplify]: Simplifying: (- (exp x) 1.0) 0.052 * * [simplify]: Extracting # 0 : cost 0 0.052 * * [simplify]: Extracting # 1 : cost 0 0.052 * * [simplify]: Extracting # 2 : cost 0 0.052 * * [simplify]: Extracting # 3 : cost 0 0.052 * * [simplify]: Extracting # 4 : cost 0 0.052 * * [simplify]: iteration 0 : 4 enodes (cost 4 ) 0.053 * * [simplify]: Extracting # 0 : cost 0 0.053 * * [simplify]: Extracting # 1 : cost 0 0.053 * * [simplify]: Extracting # 2 : cost 0 0.053 * * [simplify]: iteration 1 : 6 enodes (cost 4 ) 0.055 * * [simplify]: Extracting # 0 : cost 0 0.055 * * [simplify]: iteration 2 : 7 enodes (cost 4 ) 0.056 * * [simplify]: Extracting # 0 : cost 0 0.056 * * [simplify]: iteration done: 7 enodes (cost 4 ) 0.056 * [simplify]: Simplified to: (- (exp x) 1.0) 0.056 * * [progress]: iteration 1 / 4 0.056 * * * [progress]: picking best candidate 0.057 * * * * [pick]: Picked # 0.057 * * * [progress]: localizing error 0.060 * * * [progress]: generating rewritten candidates 0.060 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.085 * * * [progress]: generating series expansions 0.085 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.085 * [backup-simplify]: Simplify (- (exp x) 1.0) into (- (exp x) 1.0) 0.085 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0 0.085 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x 0.085 * [taylor]: Taking taylor expansion of (exp x) in x 0.085 * [taylor]: Taking taylor expansion of x in x 0.085 * [backup-simplify]: Simplify 0 into 0 0.085 * [backup-simplify]: Simplify 1 into 1 0.085 * [backup-simplify]: Simplify (exp 0) into 1 0.085 * [taylor]: Taking taylor expansion of 1.0 in x 0.085 * [backup-simplify]: Simplify 1.0 into 1.0 0.085 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x 0.085 * [taylor]: Taking taylor expansion of (exp x) in x 0.085 * [taylor]: Taking taylor expansion of x in x 0.086 * [backup-simplify]: Simplify 0 into 0 0.086 * [backup-simplify]: Simplify 1 into 1 0.086 * [backup-simplify]: Simplify (exp 0) into 1 0.086 * [taylor]: Taking taylor expansion of 1.0 in x 0.086 * [backup-simplify]: Simplify 1.0 into 1.0 0.086 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.087 * [backup-simplify]: Simplify (+ 1 (- 1.0)) into 0 0.087 * [backup-simplify]: Simplify 0 into 0 0.088 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1 0.089 * [backup-simplify]: Simplify (- 0) into 0 0.089 * [backup-simplify]: Simplify (+ 1 0) into 1 0.089 * [backup-simplify]: Simplify 1 into 1 0.091 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2 0.091 * [backup-simplify]: Simplify (- 0) into 0 0.091 * [backup-simplify]: Simplify (+ 1/2 0) into 1/2 0.091 * [backup-simplify]: Simplify 1/2 into 1/2 0.099 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 3) 6)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into 1/6 0.100 * [backup-simplify]: Simplify (- 0) into 0 0.100 * [backup-simplify]: Simplify (+ 1/6 0) into 1/6 0.100 * [backup-simplify]: Simplify 1/6 into 1/6 0.101 * [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)) 0.101 * [backup-simplify]: Simplify (- (exp (/ 1 x)) 1.0) into (- (exp (/ 1 x)) 1.0) 0.101 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0 0.101 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x 0.101 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.101 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.101 * [taylor]: Taking taylor expansion of x in x 0.101 * [backup-simplify]: Simplify 0 into 0 0.101 * [backup-simplify]: Simplify 1 into 1 0.101 * [backup-simplify]: Simplify (/ 1 1) into 1 0.102 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x)) 0.102 * [taylor]: Taking taylor expansion of 1.0 in x 0.102 * [backup-simplify]: Simplify 1.0 into 1.0 0.102 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x 0.102 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x 0.102 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.102 * [taylor]: Taking taylor expansion of x in x 0.102 * [backup-simplify]: Simplify 0 into 0 0.102 * [backup-simplify]: Simplify 1 into 1 0.102 * [backup-simplify]: Simplify (/ 1 1) into 1 0.102 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x)) 0.102 * [taylor]: Taking taylor expansion of 1.0 in x 0.102 * [backup-simplify]: Simplify 1.0 into 1.0 0.103 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.103 * [backup-simplify]: Simplify (+ (exp (/ 1 x)) (- 1.0)) into (- (exp (/ 1 x)) 1.0) 0.103 * [backup-simplify]: Simplify (- (exp (/ 1 x)) 1.0) into (- (exp (/ 1 x)) 1.0) 0.104 * [backup-simplify]: Simplify (- 0) into 0 0.104 * [backup-simplify]: Simplify (+ 0 0) into 0 0.104 * [backup-simplify]: Simplify 0 into 0 0.105 * [backup-simplify]: Simplify (- 0) into 0 0.105 * [backup-simplify]: Simplify (+ 0 0) into 0 0.105 * [backup-simplify]: Simplify 0 into 0 0.105 * [backup-simplify]: Simplify (- 0) into 0 0.106 * [backup-simplify]: Simplify (+ 0 0) into 0 0.106 * [backup-simplify]: Simplify 0 into 0 0.106 * [backup-simplify]: Simplify (- 0) into 0 0.107 * [backup-simplify]: Simplify (+ 0 0) into 0 0.107 * [backup-simplify]: Simplify 0 into 0 0.107 * [backup-simplify]: Simplify (- 0) into 0 0.108 * [backup-simplify]: Simplify (+ 0 0) into 0 0.108 * [backup-simplify]: Simplify 0 into 0 0.108 * [backup-simplify]: Simplify (- 0) into 0 0.108 * [backup-simplify]: Simplify (+ 0 0) into 0 0.108 * [backup-simplify]: Simplify 0 into 0 0.108 * [backup-simplify]: Simplify (- (exp (/ 1 (/ 1 x))) 1.0) into (- (exp x) 1.0) 0.109 * [backup-simplify]: Simplify (- (exp (/ 1 (- x))) 1.0) into (- (exp (/ -1 x)) 1.0) 0.109 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0 0.109 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x 0.109 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 0.109 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.109 * [taylor]: Taking taylor expansion of -1 in x 0.109 * [backup-simplify]: Simplify -1 into -1 0.109 * [taylor]: Taking taylor expansion of x in x 0.109 * [backup-simplify]: Simplify 0 into 0 0.109 * [backup-simplify]: Simplify 1 into 1 0.109 * [backup-simplify]: Simplify (/ -1 1) into -1 0.109 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x)) 0.110 * [taylor]: Taking taylor expansion of 1.0 in x 0.110 * [backup-simplify]: Simplify 1.0 into 1.0 0.110 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x 0.110 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x 0.110 * [taylor]: Taking taylor expansion of (/ -1 x) in x 0.110 * [taylor]: Taking taylor expansion of -1 in x 0.110 * [backup-simplify]: Simplify -1 into -1 0.110 * [taylor]: Taking taylor expansion of x in x 0.110 * [backup-simplify]: Simplify 0 into 0 0.110 * [backup-simplify]: Simplify 1 into 1 0.110 * [backup-simplify]: Simplify (/ -1 1) into -1 0.110 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x)) 0.110 * [taylor]: Taking taylor expansion of 1.0 in x 0.110 * [backup-simplify]: Simplify 1.0 into 1.0 0.111 * [backup-simplify]: Simplify (- 1.0) into (- 1.0) 0.111 * [backup-simplify]: Simplify (+ (exp (/ -1 x)) (- 1.0)) into (- (exp (/ -1 x)) 1.0) 0.111 * [backup-simplify]: Simplify (- (exp (/ -1 x)) 1.0) into (- (exp (/ -1 x)) 1.0) 0.112 * [backup-simplify]: Simplify (- 0) into 0 0.112 * [backup-simplify]: Simplify (+ 0 0) into 0 0.112 * [backup-simplify]: Simplify 0 into 0 0.113 * [backup-simplify]: Simplify (- 0) into 0 0.113 * [backup-simplify]: Simplify (+ 0 0) into 0 0.113 * [backup-simplify]: Simplify 0 into 0 0.113 * [backup-simplify]: Simplify (- 0) into 0 0.114 * [backup-simplify]: Simplify (+ 0 0) into 0 0.114 * [backup-simplify]: Simplify 0 into 0 0.114 * [backup-simplify]: Simplify (- 0) into 0 0.114 * [backup-simplify]: Simplify (+ 0 0) into 0 0.115 * [backup-simplify]: Simplify 0 into 0 0.115 * [backup-simplify]: Simplify (- 0) into 0 0.115 * [backup-simplify]: Simplify (+ 0 0) into 0 0.115 * [backup-simplify]: Simplify 0 into 0 0.116 * [backup-simplify]: Simplify (- 0) into 0 0.116 * [backup-simplify]: Simplify (+ 0 0) into 0 0.116 * [backup-simplify]: Simplify 0 into 0 0.116 * [backup-simplify]: Simplify (- (exp (/ -1 (/ 1 (- x)))) 1.0) into (- (exp x) 1.0) 0.116 * * * [progress]: simplifying candidates 0.118 * [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) 0.119 * * [simplify]: Extracting # 0 : cost 0 0.119 * * [simplify]: Extracting # 1 : cost 0 0.119 * * [simplify]: Extracting # 2 : cost 0 0.120 * * [simplify]: Extracting # 3 : cost 0 0.120 * * [simplify]: Extracting # 4 : cost 0 0.120 * * [simplify]: Extracting # 5 : cost 0 0.120 * * [simplify]: Extracting # 6 : cost 0 0.120 * * [simplify]: Extracting # 7 : cost 0 0.121 * * [simplify]: iteration 0 : 66 enodes (cost 376 ) 0.152 * * [simplify]: Extracting # 0 : cost 0 0.152 * * [simplify]: Extracting # 1 : cost 0 0.152 * * [simplify]: Extracting # 2 : cost 0 0.153 * * [simplify]: Extracting # 3 : cost 0 0.153 * * [simplify]: Extracting # 4 : cost 0 0.153 * * [simplify]: iteration 1 : 142 enodes (cost 288 ) 0.229 * * [simplify]: Extracting # 0 : cost 0 0.229 * * [simplify]: Extracting # 1 : cost 0 0.230 * * [simplify]: Extracting # 2 : cost 0 0.230 * * [simplify]: Extracting # 3 : cost 0 0.230 * * [simplify]: iteration 2 : 272 enodes (cost 231 ) 0.341 * * [simplify]: Extracting # 0 : cost 0 0.342 * * [simplify]: Extracting # 1 : cost 0 0.343 * * [simplify]: Extracting # 2 : cost 0 0.344 * * [simplify]: Extracting # 3 : cost 0 0.345 * * [simplify]: Extracting # 4 : cost 0 0.345 * * [simplify]: iteration 3 : 799 enodes (cost 204 ) 1.472 * * [simplify]: Extracting # 0 : cost 0 1.476 * * [simplify]: Extracting # 1 : cost 0 1.478 * * [simplify]: Extracting # 2 : cost 0 1.480 * * [simplify]: Extracting # 3 : cost 0 1.483 * * [simplify]: Extracting # 4 : cost 0 1.485 * * [simplify]: iteration 4 : 2411 enodes (cost 175 ) 3.719 * * [simplify]: Extracting # 0 : cost 0 3.725 * * [simplify]: Extracting # 1 : cost 0 3.731 * * [simplify]: Extracting # 2 : cost 0 3.736 * * [simplify]: Extracting # 3 : cost 0 3.741 * * [simplify]: Extracting # 4 : cost 0 3.748 * * [simplify]: iteration done: 5001 enodes (cost 175 ) 3.749 * [simplify]: Simplified to: (- (exp x) 1.0) 0 (- (exp x) 1.0) 0 (- (exp x) 1.0) 0 (- (exp x) 1.0) 0 (- (exp x) 1.0) 0 (- (exp x) 1.0) 0 (- (exp x) 1.0) 0 (- (exp x) 1.0) 0 (- (exp x) 1.0) 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)) (pow (- (exp x) 1.0) 3) (sqrt (- (exp x) 1.0)) (sqrt (- (exp x) 1.0)) (- (pow (exp x) 3) (pow 1.0 3)) (fma 1.0 (+ (exp x) 1.0) (exp (+ x x))) (- 1.0) (- (exp (+ x x)) (* 1.0 1.0)) (+ 1.0 (exp x)) (+ (sqrt (exp x)) (sqrt 1.0)) (- (sqrt (exp x)) (sqrt 1.0)) (- (exp x) 1.0) (- 1.0) (fma (pow x 2) (fma x 1/6 1/2) x) (- (exp x) 1.0) (- (exp x) 1.0) 3.749 * * * [progress]: adding candidates to table 3.808 * * [progress]: iteration 2 / 4 3.808 * * * [progress]: picking best candidate 3.810 * * * * [pick]: Picked # 3.810 * * * [progress]: localizing error 3.820 * * * [progress]: generating rewritten candidates 3.820 * * * [progress]: generating series expansions 3.820 * * * [progress]: simplifying candidates 3.820 * [simplify]: Simplifying: 3.820 * * [simplify]: Extracting # 0 : cost 0 3.820 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 3.820 * * [simplify]: Extracting # 0 : cost 0 3.820 * * [simplify]: iteration done: 0 enodes (cost 0 ) 3.820 * [simplify]: Simplified to: 3.820 * * * [progress]: adding candidates to table 3.820 * [progress]: [Phase 3 of 3] Extracting. 3.823 * [simplify]: Simplifying: (fma (pow x 2) (fma x 1/6 1/2) x) 3.823 * * [simplify]: Extracting # 0 : cost 0 3.823 * * [simplify]: Extracting # 1 : cost 0 3.823 * * [simplify]: Extracting # 2 : cost 0 3.823 * * [simplify]: Extracting # 3 : cost 0 3.823 * * [simplify]: Extracting # 4 : cost 0 3.823 * * [simplify]: iteration 0 : 7 enodes (cost 9 ) 3.823 * * [simplify]: Extracting # 0 : cost 0 3.823 * * [simplify]: iteration done: 7 enodes (cost 9 ) 3.823 * [simplify]: Simplified to: (fma (pow x 2) (fma x 1/6 1/2) x) 5.718 * [regime-testing]: End program error score: 0.44737270083247127 5.746 * [regime-testing]: Target error score: 0.45802748484479955