21.840 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.021 * * * [progress]: [2/2] Setting up program. 0.022 * [progress]: [Phase 2 of 3] Improving. 0.023 * [simplify]: Simplifying: (- (* (* x x) 2.0) 1.0) 0.023 * * [simplify]: Extracting # 0 : cost 0 0.023 * * [simplify]: Extracting # 1 : cost 0 0.023 * * [simplify]: Extracting # 2 : cost 0 0.023 * * [simplify]: Extracting # 3 : cost 0 0.023 * * [simplify]: Extracting # 4 : cost 0 0.023 * * [simplify]: Extracting # 5 : cost 0 0.023 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.024 * * [simplify]: Extracting # 0 : cost 0 0.024 * * [simplify]: Extracting # 1 : cost 0 0.024 * * [simplify]: Extracting # 2 : cost 0 0.024 * * [simplify]: iteration 1 : 11 enodes (cost 7 ) 0.026 * * [simplify]: Extracting # 0 : cost 0 0.026 * * [simplify]: iteration 2 : 15 enodes (cost 7 ) 0.029 * * [simplify]: Extracting # 0 : cost 0 0.029 * * [simplify]: iteration done: 15 enodes (cost 7 ) 0.029 * [simplify]: Simplified to: (- (* (* x x) 2.0) 1.0) 0.029 * * [progress]: iteration 1 / 4 0.030 * * * [progress]: picking best candidate 0.031 * * * * [pick]: Picked # 0.031 * * * [progress]: localizing error 0.036 * * * [progress]: generating rewritten candidates 0.036 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.056 * * * [progress]: generating series expansions 0.056 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.056 * [backup-simplify]: Simplify (* (* x x) 2.0) into (* 2.0 (pow x 2)) 0.056 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0 0.056 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.056 * [taylor]: Taking taylor expansion of 2.0 in x 0.056 * [backup-simplify]: Simplify 2.0 into 2.0 0.056 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.056 * [taylor]: Taking taylor expansion of x in x 0.056 * [backup-simplify]: Simplify 0 into 0 0.056 * [backup-simplify]: Simplify 1 into 1 0.056 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.056 * [taylor]: Taking taylor expansion of 2.0 in x 0.056 * [backup-simplify]: Simplify 2.0 into 2.0 0.056 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.056 * [taylor]: Taking taylor expansion of x in x 0.056 * [backup-simplify]: Simplify 0 into 0 0.056 * [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 0.065 * [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 0.067 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.067 * [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 0.072 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.072 * [backup-simplify]: Simplify 0 into 0 0.072 * [backup-simplify]: Simplify (* 2.0 (pow x 2)) into (* 2.0 (pow x 2)) 0.072 * [backup-simplify]: Simplify (* (* (/ 1 x) (/ 1 x)) 2.0) into (/ 2.0 (pow x 2)) 0.072 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.072 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.072 * [taylor]: Taking taylor expansion of 2.0 in x 0.072 * [backup-simplify]: Simplify 2.0 into 2.0 0.072 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.072 * [taylor]: Taking taylor expansion of x in x 0.072 * [backup-simplify]: Simplify 0 into 0 0.072 * [backup-simplify]: Simplify 1 into 1 0.072 * [backup-simplify]: Simplify (* 1 1) into 1 0.073 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 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 0.073 * [backup-simplify]: Simplify (* 1 1) into 1 0.073 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.073 * [backup-simplify]: Simplify 2.0 into 2.0 0.074 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.074 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0 0.074 * [backup-simplify]: Simplify 0 into 0 0.075 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.075 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.075 * [backup-simplify]: Simplify 0 into 0 0.076 * [backup-simplify]: Simplify (+ (* 1 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)))) into 0 0.076 * [backup-simplify]: Simplify 0 into 0 0.077 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 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)) (* 0 (/ 0 1)))) into 0 0.078 * [backup-simplify]: Simplify 0 into 0 0.078 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.079 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.079 * [backup-simplify]: Simplify 0 into 0 0.080 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.081 * [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 0.081 * [backup-simplify]: Simplify 0 into 0 0.081 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 x)) 2)) into (* 2.0 (pow x 2)) 0.081 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (/ 1 (- x))) 2.0) into (/ 2.0 (pow x 2)) 0.081 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.081 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.081 * [taylor]: Taking taylor expansion of 2.0 in x 0.081 * [backup-simplify]: Simplify 2.0 into 2.0 0.081 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.081 * [taylor]: Taking taylor expansion of x in x 0.081 * [backup-simplify]: Simplify 0 into 0 0.081 * [backup-simplify]: Simplify 1 into 1 0.082 * [backup-simplify]: Simplify (* 1 1) into 1 0.082 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.082 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.082 * [taylor]: Taking taylor expansion of 2.0 in x 0.082 * [backup-simplify]: Simplify 2.0 into 2.0 0.082 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.082 * [taylor]: Taking taylor expansion of x in x 0.082 * [backup-simplify]: Simplify 0 into 0 0.082 * [backup-simplify]: Simplify 1 into 1 0.083 * [backup-simplify]: Simplify (* 1 1) into 1 0.083 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.083 * [backup-simplify]: Simplify 2.0 into 2.0 0.084 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.085 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0 0.085 * [backup-simplify]: Simplify 0 into 0 0.085 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.086 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.086 * [backup-simplify]: Simplify 0 into 0 0.087 * [backup-simplify]: Simplify (+ (* 1 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)))) into 0 0.087 * [backup-simplify]: Simplify 0 into 0 0.088 * [backup-simplify]: Simplify (+ (* 1 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)))) into 0 0.089 * [backup-simplify]: Simplify 0 into 0 0.089 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.090 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.090 * [backup-simplify]: Simplify 0 into 0 0.091 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.091 * [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 0.092 * [backup-simplify]: Simplify 0 into 0 0.092 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 (- x))) 2)) into (* 2.0 (pow x 2)) 0.092 * * * [progress]: simplifying candidates 0.092 * [simplify]: Simplifying: (* (* 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)) 0.093 * * [simplify]: Extracting # 0 : cost 0 0.093 * * [simplify]: Extracting # 1 : cost 0 0.093 * * [simplify]: Extracting # 2 : cost 0 0.093 * * [simplify]: Extracting # 3 : cost 0 0.093 * * [simplify]: Extracting # 4 : cost 0 0.093 * * [simplify]: Extracting # 5 : cost 0 0.093 * * [simplify]: iteration 0 : 37 enodes (cost 165 ) 0.102 * * [simplify]: Extracting # 0 : cost 0 0.102 * * [simplify]: Extracting # 1 : cost 0 0.102 * * [simplify]: Extracting # 2 : cost 0 0.102 * * [simplify]: iteration 1 : 87 enodes (cost 160 ) 0.142 * * [simplify]: Extracting # 0 : cost 0 0.142 * * [simplify]: Extracting # 1 : cost 0 0.142 * * [simplify]: Extracting # 2 : cost 0 0.142 * * [simplify]: Extracting # 3 : cost 0 0.143 * * [simplify]: Extracting # 4 : cost 0 0.143 * * [simplify]: Extracting # 5 : cost 0 0.143 * * [simplify]: iteration 2 : 284 enodes (cost 130 ) 0.318 * * [simplify]: Extracting # 0 : cost 0 0.319 * * [simplify]: Extracting # 1 : cost 0 0.320 * * [simplify]: Extracting # 2 : cost 0 0.320 * * [simplify]: Extracting # 3 : cost 0 0.320 * * [simplify]: Extracting # 4 : cost 0 0.321 * * [simplify]: iteration 3 : 647 enodes (cost 130 ) 0.947 * * [simplify]: Extracting # 0 : cost 0 0.948 * * [simplify]: Extracting # 1 : cost 0 0.949 * * [simplify]: Extracting # 2 : cost 0 0.949 * * [simplify]: Extracting # 3 : cost 0 0.950 * * [simplify]: Extracting # 4 : cost 0 0.951 * * [simplify]: iteration 4 : 968 enodes (cost 130 ) 2.302 * * [simplify]: Extracting # 0 : cost 0 2.306 * * [simplify]: Extracting # 1 : cost 0 2.314 * * [simplify]: Extracting # 2 : cost 0 2.317 * * [simplify]: Extracting # 3 : cost 0 2.319 * * [simplify]: Extracting # 4 : cost 0 2.322 * * [simplify]: iteration 5 : 2363 enodes (cost 130 ) 4.240 * * [simplify]: Extracting # 0 : cost 0 4.245 * * [simplify]: Extracting # 1 : cost 0 4.252 * * [simplify]: Extracting # 2 : cost 0 4.258 * * [simplify]: Extracting # 3 : cost 0 4.268 * * [simplify]: Extracting # 4 : cost 0 4.274 * * [simplify]: iteration done: 5001 enodes (cost 130 ) 4.274 * [simplify]: Simplified to: (* 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)) (* x (sqrt 2.0)) (* x (sqrt 2.0)) (* (* 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)) 4.274 * * * [progress]: adding candidates to table 4.313 * [progress]: [Phase 3 of 3] Extracting. 4.314 * [simplify]: Simplifying: (- (* (* x x) 2.0) 1.0) 4.314 * * [simplify]: Extracting # 0 : cost 0 4.314 * * [simplify]: Extracting # 1 : cost 0 4.315 * * [simplify]: Extracting # 2 : cost 0 4.315 * * [simplify]: Extracting # 3 : cost 0 4.315 * * [simplify]: Extracting # 4 : cost 0 4.315 * * [simplify]: Extracting # 5 : cost 0 4.315 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 4.315 * * [simplify]: Extracting # 0 : cost 0 4.315 * * [simplify]: iteration 1 : 7 enodes (cost 7 ) 4.316 * * [simplify]: Extracting # 0 : cost 0 4.316 * * [simplify]: iteration done: 7 enodes (cost 7 ) 4.316 * [simplify]: Simplified to: (- (* (* x x) 2.0) 1.0) 5.212 * [regime-testing]: End program error score: 0.0010001250156269534