0.152 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.013 * * * [progress]: [2/2] Setting up program. 0.015 * [progress]: [Phase 2 of 3] Improving. 0.016 * [simplify]: Simplifying: (- (* (* x x) 2.0) 1.0) 0.016 * * [simplify]: Extracting # 0 : cost 1 inf + 0 0.016 * * [simplify]: Extracting # 1 : cost 3 inf + 0 0.016 * * [simplify]: Extracting # 2 : cost 4 inf + 1 0.016 * * [simplify]: Extracting # 3 : cost 4 inf + 2 0.016 * * [simplify]: Extracting # 4 : cost 3 inf + 3 0.016 * * [simplify]: Extracting # 5 : cost 0 inf + 249 0.016 * * [simplify]: iteration 0 : 6 enodes (cost 123 ) 0.017 * * [simplify]: Extracting # 0 : cost 0 inf + 249 0.017 * * [simplify]: Extracting # 1 : cost 2 inf + 249 0.018 * * [simplify]: Extracting # 2 : cost 0 inf + 332 0.018 * * [simplify]: iteration 1 : 12 enodes (cost 123 ) 0.020 * * [simplify]: Extracting # 0 : cost 0 inf + 332 0.020 * * [simplify]: iteration 2 : 17 enodes (cost 123 ) 0.023 * * [simplify]: Extracting # 0 : cost 0 inf + 332 0.024 * * [simplify]: iteration 3 : 20 enodes (cost 123 ) 0.026 * * [simplify]: Extracting # 0 : cost 0 inf + 332 0.026 * * [simplify]: iteration complete: 20 enodes (cost 123 ) 0.027 * [simplify]: Simplified to: (- (* (* x x) 2.0) 1.0) 0.027 * * [progress]: iteration 1 / 4 0.027 * * * [progress]: picking best candidate 0.029 * * * * [pick]: Picked # 0.030 * * * [progress]: localizing error 0.036 * * * [progress]: generating rewritten candidates 0.036 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.051 * * * [progress]: generating series expansions 0.051 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.051 * [backup-simplify]: Simplify (* (* x x) 2.0) into (* 2.0 (pow x 2)) 0.051 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0 0.051 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.051 * [taylor]: Taking taylor expansion of 2.0 in x 0.051 * [backup-simplify]: Simplify 2.0 into 2.0 0.051 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.051 * [taylor]: Taking taylor expansion of x in x 0.051 * [backup-simplify]: Simplify 0 into 0 0.051 * [backup-simplify]: Simplify 1 into 1 0.051 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.051 * [taylor]: Taking taylor expansion of 2.0 in x 0.051 * [backup-simplify]: Simplify 2.0 into 2.0 0.051 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.051 * [taylor]: Taking taylor expansion of x in x 0.051 * [backup-simplify]: Simplify 0 into 0 0.051 * [backup-simplify]: Simplify 1 into 1 0.052 * [backup-simplify]: Simplify (* 1 1) into 1 0.052 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 0.052 * [backup-simplify]: Simplify 2.0 into 2.0 0.052 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.053 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 0.053 * [backup-simplify]: Simplify 0 into 0 0.053 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.054 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0 0.054 * [backup-simplify]: Simplify 0 into 0 0.055 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.055 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.055 * [backup-simplify]: Simplify 0 into 0 0.056 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.057 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.057 * [backup-simplify]: Simplify 0 into 0 0.058 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.058 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.058 * [backup-simplify]: Simplify 0 into 0 0.059 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.060 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.060 * [backup-simplify]: Simplify 0 into 0 0.060 * [backup-simplify]: Simplify (* 2.0 (pow x 2)) into (* 2.0 (pow x 2)) 0.060 * [backup-simplify]: Simplify (* (* (/ 1 x) (/ 1 x)) 2.0) into (/ 2.0 (pow x 2)) 0.060 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.060 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.060 * [taylor]: Taking taylor expansion of 2.0 in x 0.060 * [backup-simplify]: Simplify 2.0 into 2.0 0.061 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.061 * [taylor]: Taking taylor expansion of x in x 0.061 * [backup-simplify]: Simplify 0 into 0 0.061 * [backup-simplify]: Simplify 1 into 1 0.061 * [backup-simplify]: Simplify (* 1 1) into 1 0.061 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.061 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.061 * [taylor]: Taking taylor expansion of 2.0 in x 0.061 * [backup-simplify]: Simplify 2.0 into 2.0 0.061 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.061 * [taylor]: Taking taylor expansion of x in x 0.061 * [backup-simplify]: Simplify 0 into 0 0.061 * [backup-simplify]: Simplify 1 into 1 0.062 * [backup-simplify]: Simplify (* 1 1) into 1 0.062 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.062 * [backup-simplify]: Simplify 2.0 into 2.0 0.062 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.063 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0 0.063 * [backup-simplify]: Simplify 0 into 0 0.063 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.064 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.064 * [backup-simplify]: Simplify 0 into 0 0.065 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.065 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 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 0) (* 0 1))))) into 0 0.073 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.073 * [backup-simplify]: Simplify 0 into 0 0.074 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.074 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.074 * [backup-simplify]: Simplify 0 into 0 0.075 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.076 * [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 0.076 * [backup-simplify]: Simplify 0 into 0 0.076 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 x)) 2)) into (* 2.0 (pow x 2)) 0.076 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (/ 1 (- x))) 2.0) into (/ 2.0 (pow x 2)) 0.076 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.076 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.076 * [taylor]: Taking taylor expansion of 2.0 in x 0.076 * [backup-simplify]: Simplify 2.0 into 2.0 0.076 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.076 * [taylor]: Taking taylor expansion of x in x 0.076 * [backup-simplify]: Simplify 0 into 0 0.076 * [backup-simplify]: Simplify 1 into 1 0.077 * [backup-simplify]: Simplify (* 1 1) into 1 0.077 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.077 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.077 * [taylor]: Taking taylor expansion of 2.0 in x 0.077 * [backup-simplify]: Simplify 2.0 into 2.0 0.077 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.077 * [taylor]: Taking taylor expansion of x in x 0.077 * [backup-simplify]: Simplify 0 into 0 0.077 * [backup-simplify]: Simplify 1 into 1 0.077 * [backup-simplify]: Simplify (* 1 1) into 1 0.077 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.078 * [backup-simplify]: Simplify 2.0 into 2.0 0.078 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.079 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0 0.079 * [backup-simplify]: Simplify 0 into 0 0.080 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.081 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.081 * [backup-simplify]: Simplify 0 into 0 0.082 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.083 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.083 * [backup-simplify]: Simplify 0 into 0 0.083 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.084 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.084 * [backup-simplify]: Simplify 0 into 0 0.085 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 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)) (* 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 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)) (* 0 (/ 0 1)))) into 0 0.087 * [backup-simplify]: Simplify 0 into 0 0.087 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 (- x))) 2)) into (* 2.0 (pow x 2)) 0.087 * * * [progress]: simplifying candidates 0.088 * [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)) 0.088 * * [simplify]: Extracting # 0 : cost 19 inf + 0 0.088 * * [simplify]: Extracting # 1 : cost 33 inf + 0 0.088 * * [simplify]: Extracting # 2 : cost 30 inf + 402 0.088 * * [simplify]: Extracting # 3 : cost 7 inf + 3329 0.089 * * [simplify]: Extracting # 4 : cost 2 inf + 4137 0.089 * * [simplify]: Extracting # 5 : cost 0 inf + 4581 0.089 * * [simplify]: iteration 0 : 39 enodes (cost 3861 ) 0.100 * * [simplify]: Extracting # 0 : cost 0 inf + 4581 0.101 * * [simplify]: Extracting # 1 : cost 18 inf + 4058 0.102 * * [simplify]: Extracting # 2 : cost 0 inf + 6629 0.104 * * [simplify]: iteration 1 : 98 enodes (cost 3127 ) 0.162 * * [simplify]: Extracting # 0 : cost 0 inf + 6629 0.165 * * [simplify]: Extracting # 1 : cost 54 inf + 6097 0.170 * * [simplify]: Extracting # 2 : cost 2 inf + 12052 0.176 * * [simplify]: Extracting # 3 : cost 1 inf + 12094 0.182 * * [simplify]: Extracting # 4 : cost 0 inf + 12457 0.188 * * [simplify]: iteration 2 : 310 enodes (cost 2967 ) 0.406 * * [simplify]: Extracting # 0 : cost 0 inf + 12457 0.413 * * [simplify]: Extracting # 1 : cost 253 inf + 11909 0.434 * * [simplify]: Extracting # 2 : cost 9 inf + 40694 0.455 * * [simplify]: Extracting # 3 : cost 2 inf + 42081 0.480 * * [simplify]: Extracting # 4 : cost 0 inf + 42806 0.506 * * [simplify]: iteration 3 : 1061 enodes (cost 2967 ) 1.939 * * [simplify]: Extracting # 0 : cost 0 inf + 42806 1.999 * * [simplify]: Extracting # 1 : cost 1444 inf + 40449 2.076 * * [simplify]: Extracting # 2 : cost 17 inf + 214708 2.219 * * [simplify]: Extracting # 3 : cost 6 inf + 214505 2.341 * * [simplify]: Extracting # 4 : cost 0 inf + 215991 2.457 * * [simplify]: iteration 4 : 4821 enodes (cost 2967 ) 4.684 * * [simplify]: Extracting # 0 : cost 0 inf + 215991 4.829 * * [simplify]: Extracting # 1 : cost 59 inf + 215991 4.939 * * [simplify]: Extracting # 2 : cost 0 inf + 223034 5.044 * * [simplify]: iteration complete: 5000 enodes (cost 2967 ) 5.045 * [simplify]: Simplified to: (expm1 (* (* x x) 2.0)) (log1p (* (* x x) 2.0)) (* (* x x) 2.0) (* (* x x) 2.0) (log (* (* x x) 2.0)) (log (* (* x x) 2.0)) (log (* (* x x) 2.0)) (exp (* (* x x) 2.0)) (* (* (* (* x x) 2.0) (* (* x x) 2.0)) (* (* x x) 2.0)) (* (* (* (* x x) 2.0) (* (* x x) 2.0)) (* (* x x) 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 (cbrt 2.0)) (* x (cbrt 2.0))) (* (* x x) (sqrt 2.0)) (* x x) (* x 2.0) (* (* x x) 2.0) (* (* x x) 2.0) (* (* x x) 2.0) 5.046 * * * [progress]: adding candidates to table 5.108 * [progress]: [Phase 3 of 3] Extracting. 5.111 * [simplify]: Simplifying: (- (* (* x x) 2.0) 1.0) 5.111 * * [simplify]: Extracting # 0 : cost 1 inf + 0 5.111 * * [simplify]: Extracting # 1 : cost 3 inf + 0 5.111 * * [simplify]: Extracting # 2 : cost 4 inf + 1 5.111 * * [simplify]: Extracting # 3 : cost 4 inf + 2 5.111 * * [simplify]: Extracting # 4 : cost 3 inf + 3 5.112 * * [simplify]: Extracting # 5 : cost 0 inf + 249 5.112 * * [simplify]: iteration 0 : 6 enodes (cost 123 ) 5.112 * * [simplify]: Extracting # 0 : cost 0 inf + 249 5.112 * * [simplify]: iteration 1 : 7 enodes (cost 123 ) 5.112 * * [simplify]: Extracting # 0 : cost 0 inf + 249 5.112 * * [simplify]: iteration complete: 7 enodes (cost 123 ) 5.112 * [simplify]: Simplified to: (- (* (* x x) 2.0) 1.0) 5.930 * [regime-testing]: Baseline error score: 0.0016983326041656653 5.947 * [regime-testing]: Oracle error score: 0.0016983326041656653 5.947 * [regime-testing]: End program error score: 0.0016983326041656653