22.248 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.015 * * * [progress]: [2/2] Setting up program. 0.017 * [progress]: [Phase 2 of 3] Improving. 0.017 * [simplify]: Simplifying: (- x (/ 1.0 3.0)) 0.017 * * [simplify]: Extracting # 0 : cost 0 0.017 * * [simplify]: Extracting # 1 : cost 0 0.017 * * [simplify]: Extracting # 2 : cost 0 0.017 * * [simplify]: Extracting # 3 : cost 0 0.017 * * [simplify]: Extracting # 4 : cost 0 0.017 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 0.019 * * [simplify]: Extracting # 0 : cost 0 0.019 * * [simplify]: Extracting # 1 : cost 0 0.019 * * [simplify]: Extracting # 2 : cost 0 0.019 * * [simplify]: iteration 1 : 7 enodes (cost 5 ) 0.021 * * [simplify]: Extracting # 0 : cost 0 0.021 * * [simplify]: Extracting # 1 : cost 0 0.021 * * [simplify]: Extracting # 2 : cost 0 0.021 * * [simplify]: iteration 2 : 10 enodes (cost 5 ) 0.023 * * [simplify]: Extracting # 0 : cost 0 0.023 * * [simplify]: iteration done: 10 enodes (cost 5 ) 0.023 * [simplify]: Simplified to: (- x (/ 1.0 3.0)) 0.023 * * [progress]: iteration 1 / 4 0.023 * * * [progress]: picking best candidate 0.024 * * * * [pick]: Picked # 0.024 * * * [progress]: localizing error 0.028 * * * [progress]: generating rewritten candidates 0.028 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.040 * * * [progress]: generating series expansions 0.040 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.041 * [backup-simplify]: Simplify (- x (/ 1.0 3.0)) into (- x 0.3333333333333333) 0.041 * [approximate]: Taking taylor expansion of (- x 0.3333333333333333) in (x) around 0 0.041 * [taylor]: Taking taylor expansion of (- x 0.3333333333333333) in x 0.041 * [taylor]: Taking taylor expansion of x in x 0.041 * [backup-simplify]: Simplify 0 into 0 0.041 * [backup-simplify]: Simplify 1 into 1 0.041 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x 0.041 * [backup-simplify]: Simplify 0.3333333333333333 into 0.3333333333333333 0.041 * [taylor]: Taking taylor expansion of (- x 0.3333333333333333) in x 0.041 * [taylor]: Taking taylor expansion of x in x 0.041 * [backup-simplify]: Simplify 0 into 0 0.041 * [backup-simplify]: Simplify 1 into 1 0.041 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x 0.041 * [backup-simplify]: Simplify 0.3333333333333333 into 0.3333333333333333 0.041 * [backup-simplify]: Simplify (- 0.3333333333333333) into (- 0.3333333333333333) 0.042 * [backup-simplify]: Simplify (+ 0 (- 0.3333333333333333)) into (- 0.3333333333333333) 0.042 * [backup-simplify]: Simplify (- 0.3333333333333333) into (- 0.3333333333333333) 0.042 * [backup-simplify]: Simplify (- 0) into 0 0.042 * [backup-simplify]: Simplify (+ 1 0) into 1 0.042 * [backup-simplify]: Simplify 1 into 1 0.043 * [backup-simplify]: Simplify (- 0) into 0 0.043 * [backup-simplify]: Simplify (+ 0 0) into 0 0.043 * [backup-simplify]: Simplify 0 into 0 0.043 * [backup-simplify]: Simplify (- 0) into 0 0.043 * [backup-simplify]: Simplify (+ 0 0) into 0 0.043 * [backup-simplify]: Simplify 0 into 0 0.044 * [backup-simplify]: Simplify (- 0) into 0 0.044 * [backup-simplify]: Simplify (+ 0 0) into 0 0.044 * [backup-simplify]: Simplify 0 into 0 0.044 * [backup-simplify]: Simplify (- 0) into 0 0.044 * [backup-simplify]: Simplify (+ 0 0) into 0 0.044 * [backup-simplify]: Simplify 0 into 0 0.045 * [backup-simplify]: Simplify (- 0) into 0 0.045 * [backup-simplify]: Simplify (+ 0 0) into 0 0.045 * [backup-simplify]: Simplify 0 into 0 0.045 * [backup-simplify]: Simplify (- 0) into 0 0.045 * [backup-simplify]: Simplify (+ 0 0) into 0 0.045 * [backup-simplify]: Simplify 0 into 0 0.046 * [backup-simplify]: Simplify (+ (* 1 x) (- 0.3333333333333333)) into (- x 0.3333333333333333) 0.046 * [backup-simplify]: Simplify (- (/ 1 x) (/ 1.0 3.0)) into (- (/ 1 x) 0.3333333333333333) 0.046 * [approximate]: Taking taylor expansion of (- (/ 1 x) 0.3333333333333333) in (x) around 0 0.046 * [taylor]: Taking taylor expansion of (- (/ 1 x) 0.3333333333333333) in x 0.046 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.046 * [taylor]: Taking taylor expansion of x in x 0.046 * [backup-simplify]: Simplify 0 into 0 0.046 * [backup-simplify]: Simplify 1 into 1 0.046 * [backup-simplify]: Simplify (/ 1 1) into 1 0.046 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x 0.046 * [backup-simplify]: Simplify 0.3333333333333333 into 0.3333333333333333 0.046 * [taylor]: Taking taylor expansion of (- (/ 1 x) 0.3333333333333333) in x 0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.047 * [taylor]: Taking taylor expansion of x in x 0.047 * [backup-simplify]: Simplify 0 into 0 0.047 * [backup-simplify]: Simplify 1 into 1 0.047 * [backup-simplify]: Simplify (/ 1 1) into 1 0.047 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x 0.047 * [backup-simplify]: Simplify 0.3333333333333333 into 0.3333333333333333 0.047 * [backup-simplify]: Simplify (+ 1 0) into 1 0.047 * [backup-simplify]: Simplify 1 into 1 0.048 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.048 * [backup-simplify]: Simplify (- 0.3333333333333333) into (- 0.3333333333333333) 0.048 * [backup-simplify]: Simplify (+ 0 (- 0.3333333333333333)) into (- 0.3333333333333333) 0.049 * [backup-simplify]: Simplify (- 0.3333333333333333) into (- 0.3333333333333333) 0.049 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.049 * [backup-simplify]: Simplify (- 0) into 0 0.050 * [backup-simplify]: Simplify (+ 0 0) into 0 0.050 * [backup-simplify]: Simplify 0 into 0 0.050 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.050 * [backup-simplify]: Simplify (- 0) into 0 0.051 * [backup-simplify]: Simplify (+ 0 0) into 0 0.051 * [backup-simplify]: Simplify 0 into 0 0.051 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.051 * [backup-simplify]: Simplify (- 0) into 0 0.052 * [backup-simplify]: Simplify (+ 0 0) into 0 0.052 * [backup-simplify]: Simplify 0 into 0 0.052 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.052 * [backup-simplify]: Simplify (- 0) into 0 0.053 * [backup-simplify]: Simplify (+ 0 0) into 0 0.053 * [backup-simplify]: Simplify 0 into 0 0.053 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.053 * [backup-simplify]: Simplify (- 0) into 0 0.054 * [backup-simplify]: Simplify (+ 0 0) into 0 0.054 * [backup-simplify]: Simplify 0 into 0 0.054 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.054 * [backup-simplify]: Simplify (- 0) into 0 0.055 * [backup-simplify]: Simplify (+ 0 0) into 0 0.055 * [backup-simplify]: Simplify 0 into 0 0.055 * [backup-simplify]: Simplify (+ (- 0.3333333333333333) (* 1 (/ 1 (/ 1 x)))) into (- x 0.3333333333333333) 0.055 * [backup-simplify]: Simplify (- (/ 1 (- x)) (/ 1.0 3.0)) into (- (+ 0.3333333333333333 (/ 1 x))) 0.055 * [approximate]: Taking taylor expansion of (- (+ 0.3333333333333333 (/ 1 x))) in (x) around 0 0.055 * [taylor]: Taking taylor expansion of (- (+ 0.3333333333333333 (/ 1 x))) in x 0.055 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x 0.055 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x 0.055 * [backup-simplify]: Simplify 0.3333333333333333 into 0.3333333333333333 0.055 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.055 * [taylor]: Taking taylor expansion of x in x 0.055 * [backup-simplify]: Simplify 0 into 0 0.055 * [backup-simplify]: Simplify 1 into 1 0.056 * [backup-simplify]: Simplify (/ 1 1) into 1 0.056 * [taylor]: Taking taylor expansion of (- (+ 0.3333333333333333 (/ 1 x))) in x 0.056 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x 0.056 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x 0.056 * [backup-simplify]: Simplify 0.3333333333333333 into 0.3333333333333333 0.056 * [taylor]: Taking taylor expansion of (/ 1 x) 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 * [backup-simplify]: Simplify (/ 1 1) into 1 0.056 * [backup-simplify]: Simplify (+ 0 1) into 1 0.057 * [backup-simplify]: Simplify (- 1) into -1 0.057 * [backup-simplify]: Simplify -1 into -1 0.057 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.057 * [backup-simplify]: Simplify (+ 0.3333333333333333 0) into 0.3333333333333333 0.058 * [backup-simplify]: Simplify (- 0.3333333333333333) into (- 0.3333333333333333) 0.058 * [backup-simplify]: Simplify (- 0.3333333333333333) into (- 0.3333333333333333) 0.058 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.059 * [backup-simplify]: Simplify (+ 0 0) into 0 0.059 * [backup-simplify]: Simplify (- 0) into 0 0.059 * [backup-simplify]: Simplify 0 into 0 0.059 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.060 * [backup-simplify]: Simplify (+ 0 0) into 0 0.060 * [backup-simplify]: Simplify (- 0) into 0 0.060 * [backup-simplify]: Simplify 0 into 0 0.060 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.061 * [backup-simplify]: Simplify (+ 0 0) into 0 0.061 * [backup-simplify]: Simplify (- 0) into 0 0.061 * [backup-simplify]: Simplify 0 into 0 0.061 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.062 * [backup-simplify]: Simplify (+ 0 0) into 0 0.062 * [backup-simplify]: Simplify (- 0) into 0 0.062 * [backup-simplify]: Simplify 0 into 0 0.062 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.063 * [backup-simplify]: Simplify (+ 0 0) into 0 0.063 * [backup-simplify]: Simplify (- 0) into 0 0.063 * [backup-simplify]: Simplify 0 into 0 0.063 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.064 * [backup-simplify]: Simplify (+ 0 0) into 0 0.064 * [backup-simplify]: Simplify (- 0) into 0 0.064 * [backup-simplify]: Simplify 0 into 0 0.064 * [backup-simplify]: Simplify (+ (- 0.3333333333333333) (* -1 (/ 1 (/ 1 (- x))))) into (- x 0.3333333333333333) 0.064 * * * [progress]: simplifying candidates 0.065 * [simplify]: Simplifying: (/ (exp x) (exp (/ 1.0 3.0))) (log (- x (/ 1.0 3.0))) (exp (- x (/ 1.0 3.0))) (* (cbrt (- x (/ 1.0 3.0))) (cbrt (- x (/ 1.0 3.0)))) (cbrt (- x (/ 1.0 3.0))) (* (* (- x (/ 1.0 3.0)) (- x (/ 1.0 3.0))) (- x (/ 1.0 3.0))) (sqrt (- x (/ 1.0 3.0))) (sqrt (- x (/ 1.0 3.0))) (- (pow x 3) (pow (/ 1.0 3.0) 3)) (+ (* x x) (+ (* (/ 1.0 3.0) (/ 1.0 3.0)) (* x (/ 1.0 3.0)))) (- (/ 1.0 3.0)) (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0)) (+ (sqrt x) (sqrt (/ 1.0 3.0))) (- (sqrt x) (sqrt (/ 1.0 3.0))) (+ (sqrt x) (/ (sqrt 1.0) (sqrt 3.0))) (- (sqrt x) (/ (sqrt 1.0) (sqrt 3.0))) (- x (/ 1.0 3.0)) (- (/ 1.0 3.0)) (- x 0.3333333333333333) (- x 0.3333333333333333) (- x 0.3333333333333333) 0.065 * * [simplify]: Extracting # 0 : cost 0 0.065 * * [simplify]: Extracting # 1 : cost 0 0.065 * * [simplify]: Extracting # 2 : cost 0 0.065 * * [simplify]: Extracting # 3 : cost 0 0.065 * * [simplify]: Extracting # 4 : cost 0 0.065 * * [simplify]: Extracting # 5 : cost 0 0.066 * * [simplify]: Extracting # 6 : cost 0 0.066 * * [simplify]: iteration 0 : 38 enodes (cost 161 ) 0.079 * * [simplify]: Extracting # 0 : cost 0 0.079 * * [simplify]: Extracting # 1 : cost 0 0.079 * * [simplify]: Extracting # 2 : cost 0 0.079 * * [simplify]: Extracting # 3 : cost 0 0.079 * * [simplify]: Extracting # 4 : cost 0 0.079 * * [simplify]: iteration 1 : 82 enodes (cost 156 ) 0.097 * * [simplify]: Extracting # 0 : cost 0 0.097 * * [simplify]: Extracting # 1 : cost 0 0.098 * * [simplify]: Extracting # 2 : cost 0 0.098 * * [simplify]: Extracting # 3 : cost 0 0.098 * * [simplify]: Extracting # 4 : cost 0 0.098 * * [simplify]: iteration 2 : 176 enodes (cost 146 ) 0.143 * * [simplify]: Extracting # 0 : cost 0 0.143 * * [simplify]: Extracting # 1 : cost 0 0.144 * * [simplify]: Extracting # 2 : cost 0 0.145 * * [simplify]: Extracting # 3 : cost 0 0.145 * * [simplify]: iteration 3 : 402 enodes (cost 146 ) 0.297 * * [simplify]: Extracting # 0 : cost 0 0.298 * * [simplify]: Extracting # 1 : cost 0 0.299 * * [simplify]: Extracting # 2 : cost 0 0.300 * * [simplify]: Extracting # 3 : cost 0 0.301 * * [simplify]: Extracting # 4 : cost 0 0.302 * * [simplify]: iteration 4 : 1057 enodes (cost 146 ) 1.244 * * [simplify]: Extracting # 0 : cost 0 1.250 * * [simplify]: Extracting # 1 : cost 0 1.254 * * [simplify]: Extracting # 2 : cost 0 1.258 * * [simplify]: Extracting # 3 : cost 0 1.262 * * [simplify]: Extracting # 4 : cost 0 1.266 * * [simplify]: iteration 5 : 3360 enodes (cost 146 ) 2.436 * * [simplify]: Extracting # 0 : cost 0 2.452 * * [simplify]: Extracting # 1 : cost 0 2.461 * * [simplify]: Extracting # 2 : cost 0 2.469 * * [simplify]: Extracting # 3 : cost 0 2.477 * * [simplify]: iteration done: 5000 enodes (cost 146 ) 2.478 * [simplify]: Simplified to: (exp (- x (/ 1.0 3.0))) (log (- x (/ 1.0 3.0))) (exp (- x (/ 1.0 3.0))) (* (cbrt (- x (/ 1.0 3.0))) (cbrt (- x (/ 1.0 3.0)))) (cbrt (- x (/ 1.0 3.0))) (pow (- x (/ 1.0 3.0)) 3) (sqrt (- x (/ 1.0 3.0))) (sqrt (- x (/ 1.0 3.0))) (- (pow x 3) (pow (/ 1.0 3.0) 3)) (+ (* (/ 1.0 3.0) (+ x (/ 1.0 3.0))) (* x x)) (- (/ 1.0 3.0)) (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0)) (+ (sqrt x) (sqrt (/ 1.0 3.0))) (- (sqrt x) (sqrt (/ 1.0 3.0))) (+ (sqrt x) (/ (sqrt 1.0) (sqrt 3.0))) (- (sqrt x) (/ (sqrt 1.0) (sqrt 3.0))) (- x (/ 1.0 3.0)) (- (/ 1.0 3.0)) (- x 0.3333333333333333) (- x 0.3333333333333333) (- x 0.3333333333333333) 2.478 * * * [progress]: adding candidates to table 2.525 * [progress]: [Phase 3 of 3] Extracting. 2.527 * [simplify]: Simplifying: (- x (/ 1.0 3.0)) 2.527 * * [simplify]: Extracting # 0 : cost 0 2.527 * * [simplify]: Extracting # 1 : cost 0 2.527 * * [simplify]: Extracting # 2 : cost 0 2.527 * * [simplify]: Extracting # 3 : cost 0 2.527 * * [simplify]: Extracting # 4 : cost 0 2.527 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 2.528 * * [simplify]: Extracting # 0 : cost 0 2.528 * * [simplify]: iteration done: 5 enodes (cost 5 ) 2.528 * [simplify]: Simplified to: (- x (/ 1.0 3.0)) 2.977 * [regime-testing]: Baseline error score: 0.010001250156269533 2.981 * [regime-testing]: Oracle error score: 0.010001250156269533 2.981 * [regime-testing]: End program error score: 0.010001250156269533