24.530 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.034 * * * [progress]: [2/2] Setting up program. 0.037 * [progress]: [Phase 2 of 3] Improving. 0.037 * [simplify]: Simplifying: (- (* (* x x) 2.0) 1.0) 0.037 * * [simplify]: Extracting # 0 : cost 0 0.037 * * [simplify]: Extracting # 1 : cost 0 0.037 * * [simplify]: Extracting # 2 : cost 0 0.037 * * [simplify]: Extracting # 3 : cost 0 0.037 * * [simplify]: Extracting # 4 : cost 0 0.037 * * [simplify]: Extracting # 5 : cost 0 0.037 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.040 * * [simplify]: Extracting # 0 : cost 0 0.041 * * [simplify]: Extracting # 1 : cost 0 0.041 * * [simplify]: Extracting # 2 : cost 0 0.041 * * [simplify]: iteration 1 : 12 enodes (cost 7 ) 0.046 * * [simplify]: Extracting # 0 : cost 0 0.047 * * [simplify]: iteration 2 : 18 enodes (cost 7 ) 0.053 * * [simplify]: Extracting # 0 : cost 0 0.053 * * [simplify]: iteration 3 : 19 enodes (cost 7 ) 0.060 * * [simplify]: Extracting # 0 : cost 0 0.060 * * [simplify]: iteration done: 19 enodes (cost 7 ) 0.060 * [simplify]: Simplified to: (- (* (* x x) 2.0) 1.0) 0.061 * * [progress]: iteration 1 / 4 0.061 * * * [progress]: picking best candidate 0.062 * * * * [pick]: Picked # 0.063 * * * [progress]: localizing error 0.073 * * * [progress]: generating rewritten candidates 0.073 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.094 * * * [progress]: generating series expansions 0.094 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.094 * [backup-simplify]: Simplify (* (* x x) 2.0) into (* 2.0 (pow x 2)) 0.094 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0 0.094 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.094 * [taylor]: Taking taylor expansion of 2.0 in x 0.094 * [backup-simplify]: Simplify 2.0 into 2.0 0.094 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.094 * [taylor]: Taking taylor expansion of x in x 0.094 * [backup-simplify]: Simplify 0 into 0 0.094 * [backup-simplify]: Simplify 1 into 1 0.094 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.094 * [taylor]: Taking taylor expansion of 2.0 in x 0.094 * [backup-simplify]: Simplify 2.0 into 2.0 0.094 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.094 * [taylor]: Taking taylor expansion of x in x 0.094 * [backup-simplify]: Simplify 0 into 0 0.094 * [backup-simplify]: Simplify 1 into 1 0.095 * [backup-simplify]: Simplify (* 1 1) into 1 0.095 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 0.095 * [backup-simplify]: Simplify 2.0 into 2.0 0.096 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.096 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 0.096 * [backup-simplify]: Simplify 0 into 0 0.097 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.098 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0 0.098 * [backup-simplify]: Simplify 0 into 0 0.099 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.100 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.100 * [backup-simplify]: Simplify 0 into 0 0.101 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.103 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.103 * [backup-simplify]: Simplify 0 into 0 0.104 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.105 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.105 * [backup-simplify]: Simplify 0 into 0 0.107 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.109 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.109 * [backup-simplify]: Simplify 0 into 0 0.109 * [backup-simplify]: Simplify (* 2.0 (pow x 2)) into (* 2.0 (pow x 2)) 0.109 * [backup-simplify]: Simplify (* (* (/ 1 x) (/ 1 x)) 2.0) into (/ 2.0 (pow x 2)) 0.109 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.109 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.109 * [taylor]: Taking taylor expansion of 2.0 in x 0.109 * [backup-simplify]: Simplify 2.0 into 2.0 0.109 * [taylor]: Taking taylor expansion of (pow x 2) in x 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 0.110 * [backup-simplify]: Simplify (* 1 1) into 1 0.110 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.110 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.110 * [taylor]: Taking taylor expansion of 2.0 in x 0.110 * [backup-simplify]: Simplify 2.0 into 2.0 0.110 * [taylor]: Taking taylor expansion of (pow x 2) in x 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 0.111 * [backup-simplify]: Simplify (* 1 1) into 1 0.111 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.111 * [backup-simplify]: Simplify 2.0 into 2.0 0.112 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.113 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0 0.113 * [backup-simplify]: Simplify 0 into 0 0.114 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.114 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.115 * [backup-simplify]: Simplify 0 into 0 0.116 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.117 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.117 * [backup-simplify]: Simplify 0 into 0 0.118 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.119 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.119 * [backup-simplify]: Simplify 0 into 0 0.120 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.121 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.121 * [backup-simplify]: Simplify 0 into 0 0.123 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.124 * [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 0.124 * [backup-simplify]: Simplify 0 into 0 0.124 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 x)) 2)) into (* 2.0 (pow x 2)) 0.124 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (/ 1 (- x))) 2.0) into (/ 2.0 (pow x 2)) 0.124 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.124 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.124 * [taylor]: Taking taylor expansion of 2.0 in x 0.124 * [backup-simplify]: Simplify 2.0 into 2.0 0.124 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.124 * [taylor]: Taking taylor expansion of x in x 0.124 * [backup-simplify]: Simplify 0 into 0 0.124 * [backup-simplify]: Simplify 1 into 1 0.125 * [backup-simplify]: Simplify (* 1 1) into 1 0.125 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.125 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.125 * [taylor]: Taking taylor expansion of 2.0 in x 0.125 * [backup-simplify]: Simplify 2.0 into 2.0 0.125 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.126 * [taylor]: Taking taylor expansion of x in x 0.126 * [backup-simplify]: Simplify 0 into 0 0.126 * [backup-simplify]: Simplify 1 into 1 0.126 * [backup-simplify]: Simplify (* 1 1) into 1 0.127 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.127 * [backup-simplify]: Simplify 2.0 into 2.0 0.127 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.128 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0 0.128 * [backup-simplify]: Simplify 0 into 0 0.129 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.130 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.130 * [backup-simplify]: Simplify 0 into 0 0.131 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.133 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.133 * [backup-simplify]: Simplify 0 into 0 0.134 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.135 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.135 * [backup-simplify]: Simplify 0 into 0 0.136 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.138 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.138 * [backup-simplify]: Simplify 0 into 0 0.139 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.140 * [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 0.141 * [backup-simplify]: Simplify 0 into 0 0.141 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 (- x))) 2)) into (* 2.0 (pow x 2)) 0.141 * * * [progress]: simplifying candidates 0.142 * [simplify]: Simplifying: (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)) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) 0.143 * * [simplify]: Extracting # 0 : cost 0 0.143 * * [simplify]: Extracting # 1 : cost 0 0.143 * * [simplify]: Extracting # 2 : cost 0 0.143 * * [simplify]: Extracting # 3 : cost 0 0.143 * * [simplify]: Extracting # 4 : cost 0 0.143 * * [simplify]: Extracting # 5 : cost 0 0.143 * * [simplify]: iteration 0 : 39 enodes (cost 177 ) 0.171 * * [simplify]: Extracting # 0 : cost 0 0.171 * * [simplify]: Extracting # 1 : cost 0 0.172 * * [simplify]: Extracting # 2 : cost 0 0.172 * * [simplify]: iteration 1 : 89 enodes (cost 172 ) 0.245 * * [simplify]: Extracting # 0 : cost 0 0.245 * * [simplify]: Extracting # 1 : cost 0 0.246 * * [simplify]: Extracting # 2 : cost 0 0.246 * * [simplify]: Extracting # 3 : cost 0 0.247 * * [simplify]: Extracting # 4 : cost 0 0.247 * * [simplify]: iteration 2 : 288 enodes (cost 142 ) 0.484 * * [simplify]: Extracting # 0 : cost 0 0.485 * * [simplify]: Extracting # 1 : cost 0 0.488 * * [simplify]: Extracting # 2 : cost 0 0.489 * * [simplify]: Extracting # 3 : cost 0 0.489 * * [simplify]: Extracting # 4 : cost 0 0.490 * * [simplify]: iteration 3 : 637 enodes (cost 142 ) 1.108 * * [simplify]: Extracting # 0 : cost 0 1.110 * * [simplify]: Extracting # 1 : cost 0 1.111 * * [simplify]: Extracting # 2 : cost 0 1.112 * * [simplify]: Extracting # 3 : cost 0 1.113 * * [simplify]: Extracting # 4 : cost 0 1.115 * * [simplify]: iteration 4 : 919 enodes (cost 142 ) 2.593 * * [simplify]: Extracting # 0 : cost 0 2.596 * * [simplify]: Extracting # 1 : cost 0 2.599 * * [simplify]: Extracting # 2 : cost 0 2.601 * * [simplify]: Extracting # 3 : cost 0 2.603 * * [simplify]: Extracting # 4 : cost 0 2.604 * * [simplify]: iteration 5 : 2318 enodes (cost 142 ) 4.434 * * [simplify]: Extracting # 0 : cost 0 4.438 * * [simplify]: Extracting # 1 : cost 0 4.443 * * [simplify]: Extracting # 2 : cost 0 4.448 * * [simplify]: Extracting # 3 : cost 0 4.452 * * [simplify]: Extracting # 4 : cost 0 4.459 * * [simplify]: iteration done: 5000 enodes (cost 142 ) 4.459 * [simplify]: Simplified to: (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)) (* (sqrt 2.0) x) (* (sqrt 2.0) x) (* (* x x) (* (cbrt 2.0) (cbrt 2.0))) (* (* x x) (sqrt 2.0)) (* x x) (* x 2.0) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) 4.459 * * * [progress]: adding candidates to table 4.492 * [progress]: [Phase 3 of 3] Extracting. 4.493 * [simplify]: Simplifying: (- (* (* x x) 2.0) 1.0) 4.494 * * [simplify]: Extracting # 0 : cost 0 4.494 * * [simplify]: Extracting # 1 : cost 0 4.494 * * [simplify]: Extracting # 2 : cost 0 4.494 * * [simplify]: Extracting # 3 : cost 0 4.494 * * [simplify]: Extracting # 4 : cost 0 4.494 * * [simplify]: Extracting # 5 : cost 0 4.494 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 4.494 * * [simplify]: Extracting # 0 : cost 0 4.494 * * [simplify]: iteration 1 : 7 enodes (cost 7 ) 4.494 * * [simplify]: Extracting # 0 : cost 0 4.494 * * [simplify]: iteration done: 7 enodes (cost 7 ) 4.494 * [simplify]: Simplified to: (- (* (* x x) 2.0) 1.0) 5.176 * [regime-testing]: End program error score: 0.0010001250156269534