25.435 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.016 * * * [progress]: [2/2] Setting up program. 0.020 * [progress]: [Phase 2 of 3] Improving. 0.021 * [simplify]: Simplifying: (- (* (* x x) 2.0) 1.0) 0.021 * * [simplify]: iteration 0: 6 enodes 0.022 * * [simplify]: iteration 1: 12 enodes 0.025 * * [simplify]: iteration 2: 18 enodes 0.028 * * [simplify]: iteration 3: 19 enodes 0.030 * * [simplify]: iteration complete: 19 enodes 0.030 * * [simplify]: Extracting #0: cost 1 inf + 0 0.030 * * [simplify]: Extracting #1: cost 8 inf + 0 0.030 * * [simplify]: Extracting #2: cost 4 inf + 5 0.030 * * [simplify]: Extracting #3: cost 0 inf + 23 0.030 * [simplify]: Simplified to: (- (* 2.0 (* x x)) 1.0) 0.033 * * [progress]: iteration 1 / 4 0.033 * * * [progress]: picking best candidate 0.037 * * * * [pick]: Picked # 0.037 * * * [progress]: localizing error 0.043 * * * [progress]: generating rewritten candidates 0.043 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.062 * * * [progress]: generating series expansions 0.062 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.062 * [backup-simplify]: Simplify (* 2.0 (* x x)) into (* 2.0 (pow x 2)) 0.062 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0 0.062 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.062 * [taylor]: Taking taylor expansion of 2.0 in x 0.062 * [backup-simplify]: Simplify 2.0 into 2.0 0.062 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.062 * [taylor]: Taking taylor expansion of x in x 0.062 * [backup-simplify]: Simplify 0 into 0 0.062 * [backup-simplify]: Simplify 1 into 1 0.062 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.062 * [taylor]: Taking taylor expansion of 2.0 in x 0.062 * [backup-simplify]: Simplify 2.0 into 2.0 0.062 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.062 * [taylor]: Taking taylor expansion of x in x 0.062 * [backup-simplify]: Simplify 0 into 0 0.062 * [backup-simplify]: Simplify 1 into 1 0.063 * [backup-simplify]: Simplify (* 1 1) into 1 0.063 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 0.063 * [backup-simplify]: Simplify 2.0 into 2.0 0.064 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.064 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 0.064 * [backup-simplify]: Simplify 0 into 0 0.064 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.065 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0 0.065 * [backup-simplify]: Simplify 0 into 0 0.066 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.066 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.066 * [backup-simplify]: Simplify 0 into 0 0.067 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.068 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.068 * [backup-simplify]: Simplify 0 into 0 0.069 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.070 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.070 * [backup-simplify]: Simplify 0 into 0 0.071 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.073 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.073 * [backup-simplify]: Simplify 0 into 0 0.073 * [backup-simplify]: Simplify (* 2.0 (pow x 2)) into (* 2.0 (pow x 2)) 0.073 * [backup-simplify]: Simplify (* 2.0 (* (/ 1 x) (/ 1 x))) into (/ 2.0 (pow x 2)) 0.073 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.073 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.073 * [taylor]: Taking taylor expansion of 2.0 in x 0.073 * [backup-simplify]: Simplify 2.0 into 2.0 0.073 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.073 * [taylor]: Taking taylor expansion of x in x 0.073 * [backup-simplify]: Simplify 0 into 0 0.073 * [backup-simplify]: Simplify 1 into 1 0.074 * [backup-simplify]: Simplify (* 1 1) into 1 0.074 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.074 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.074 * [taylor]: Taking taylor expansion of 2.0 in x 0.074 * [backup-simplify]: Simplify 2.0 into 2.0 0.074 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.074 * [taylor]: Taking taylor expansion of x in x 0.074 * [backup-simplify]: Simplify 0 into 0 0.074 * [backup-simplify]: Simplify 1 into 1 0.075 * [backup-simplify]: Simplify (* 1 1) into 1 0.075 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.075 * [backup-simplify]: Simplify 2.0 into 2.0 0.075 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.076 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0 0.076 * [backup-simplify]: Simplify 0 into 0 0.076 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.077 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.077 * [backup-simplify]: Simplify 0 into 0 0.078 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.078 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.078 * [backup-simplify]: Simplify 0 into 0 0.084 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.085 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.085 * [backup-simplify]: Simplify 0 into 0 0.086 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.087 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.087 * [backup-simplify]: Simplify 0 into 0 0.088 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.089 * [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 0.089 * [backup-simplify]: Simplify 0 into 0 0.089 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 x)) 2)) into (* 2.0 (pow x 2)) 0.089 * [backup-simplify]: Simplify (* 2.0 (* (/ 1 (- x)) (/ 1 (- x)))) into (/ 2.0 (pow x 2)) 0.089 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.089 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.089 * [taylor]: Taking taylor expansion of 2.0 in x 0.089 * [backup-simplify]: Simplify 2.0 into 2.0 0.089 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.089 * [taylor]: Taking taylor expansion of x in x 0.089 * [backup-simplify]: Simplify 0 into 0 0.089 * [backup-simplify]: Simplify 1 into 1 0.090 * [backup-simplify]: Simplify (* 1 1) into 1 0.090 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.090 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.090 * [taylor]: Taking taylor expansion of 2.0 in x 0.090 * [backup-simplify]: Simplify 2.0 into 2.0 0.090 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.090 * [taylor]: Taking taylor expansion of x in x 0.090 * [backup-simplify]: Simplify 0 into 0 0.090 * [backup-simplify]: Simplify 1 into 1 0.090 * [backup-simplify]: Simplify (* 1 1) into 1 0.091 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.091 * [backup-simplify]: Simplify 2.0 into 2.0 0.092 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.092 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0 0.093 * [backup-simplify]: Simplify 0 into 0 0.093 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.094 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.094 * [backup-simplify]: Simplify 0 into 0 0.095 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.096 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.096 * [backup-simplify]: Simplify 0 into 0 0.097 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.097 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.097 * [backup-simplify]: Simplify 0 into 0 0.098 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.099 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.099 * [backup-simplify]: Simplify 0 into 0 0.100 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.101 * [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 0.101 * [backup-simplify]: Simplify 0 into 0 0.101 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 (- x))) 2)) into (* 2.0 (pow x 2)) 0.101 * * * [progress]: simplifying candidates 0.102 * [simplify]: Simplifying: (expm1 (* 2.0 (* x x))) (log1p (* 2.0 (* x x))) (* 2.0 (* x x)) (* 2.0 (* x x)) (+ (log 2.0) (+ (log x) (log x))) (+ (log 2.0) (log (* x x))) (log (* 2.0 (* x x))) (exp (* 2.0 (* x x))) (* (* (* 2.0 2.0) 2.0) (* (* (* x x) x) (* (* x x) x))) (* (* (* 2.0 2.0) 2.0) (* (* (* x x) (* x x)) (* x x))) (* (cbrt (* 2.0 (* x x))) (cbrt (* 2.0 (* x x)))) (cbrt (* 2.0 (* x x))) (* (* (* 2.0 (* x x)) (* 2.0 (* x x))) (* 2.0 (* x x))) (sqrt (* 2.0 (* x x))) (sqrt (* 2.0 (* x x))) (* (sqrt 2.0) x) (* (sqrt 2.0) x) (* 2.0 x) (* (cbrt 2.0) (* x x)) (* (sqrt 2.0) (* x x)) (* 2.0 (* x x)) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) 0.102 * * [simplify]: iteration 0: 36 enodes 0.112 * * [simplify]: iteration 1: 99 enodes 0.163 * * [simplify]: iteration 2: 553 enodes 0.566 * * [simplify]: iteration complete: 5001 enodes 0.566 * * [simplify]: Extracting #0: cost 13 inf + 0 0.566 * * [simplify]: Extracting #1: cost 324 inf + 0 0.570 * * [simplify]: Extracting #2: cost 1921 inf + 477 0.577 * * [simplify]: Extracting #3: cost 750 inf + 8392 0.584 * * [simplify]: Extracting #4: cost 36 inf + 12279 0.591 * * [simplify]: Extracting #5: cost 0 inf + 12327 0.602 * * [simplify]: Extracting #6: cost 0 inf + 12307 0.608 * [simplify]: Simplified to: (expm1 (* x (* 2.0 x))) (log1p (* x (* 2.0 x))) (* x (* 2.0 x)) (* x (* 2.0 x)) (log (* x (* 2.0 x))) (log (* x (* 2.0 x))) (log (* x (* 2.0 x))) (exp (* x (* 2.0 x))) (pow (* x (* 2.0 x)) 3) (pow (* x (* 2.0 x)) 3) (* (cbrt (* x (* 2.0 x))) (cbrt (* x (* 2.0 x)))) (cbrt (* x (* 2.0 x))) (pow (* x (* 2.0 x)) 3) (sqrt (* x (* 2.0 x))) (sqrt (* x (* 2.0 x))) (* x (sqrt 2.0)) (* x (sqrt 2.0)) (* 2.0 x) (* (* x x) (cbrt 2.0)) (* (* x (sqrt 2.0)) x) (* x (* 2.0 x)) (* x (* 2.0 x)) (* x (* 2.0 x)) (* x (* 2.0 x)) 0.608 * * * [progress]: adding candidates to table 0.667 * [progress]: [Phase 3 of 3] Extracting. 0.670 * [simplify]: Simplifying: (- (* 2.0 (* x x)) 1.0) 0.670 * * [simplify]: iteration 0: 6 enodes 0.670 * * [simplify]: iteration 1: 7 enodes 0.670 * * [simplify]: iteration complete: 7 enodes 0.670 * * [simplify]: Extracting #0: cost 1 inf + 0 0.670 * * [simplify]: Extracting #1: cost 3 inf + 0 0.670 * * [simplify]: Extracting #2: cost 4 inf + 1 0.670 * * [simplify]: Extracting #3: cost 4 inf + 2 0.670 * * [simplify]: Extracting #4: cost 0 inf + 18 0.670 * [simplify]: Simplified to: (- (* 2.0 (* x x)) 1.0) 1.551 * [regime-testing]: Baseline error score: 0.0010001250156269534 1.560 * [regime-testing]: Oracle error score: 0.0010001250156269534 1.560 * [regime-testing]: End program error score: 0.0010001250156269534