27.965 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.012 * * * [progress]: [2/2] Setting up program. 0.014 * [progress]: [Phase 2 of 3] Improving. 0.014 * * * * [progress]: [ 1 / 1 ] simplifiying candidate # 0.014 * [simplify]: Simplifying: (- (* (* x x) 2.0) 1.0) 0.014 * * [simplify]: iteration 0: 6 enodes 0.016 * * [simplify]: iteration 1: 11 enodes 0.018 * * [simplify]: iteration 2: 14 enodes 0.020 * * [simplify]: iteration 3: 15 enodes 0.022 * * [simplify]: iteration complete: 15 enodes 0.022 * * [simplify]: Extracting #0: cost 1 inf + 0 0.022 * * [simplify]: Extracting #1: cost 4 inf + 0 0.022 * * [simplify]: Extracting #2: cost 6 inf + 42 0.022 * * [simplify]: Extracting #3: cost 4 inf + 44 0.022 * * [simplify]: Extracting #4: cost 0 inf + 332 0.022 * [simplify]: Simplified to: (- (* 2.0 (* x x)) 1.0) 0.023 * * [progress]: iteration 1 / 4 0.023 * * * [progress]: picking best candidate 0.024 * * * * [pick]: Picked # 0.024 * * * [progress]: localizing error 0.032 * * * [progress]: generating rewritten candidates 0.032 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.050 * * * [progress]: generating series expansions 0.050 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.050 * [backup-simplify]: Simplify (* (* x x) 2.0) into (* 2.0 (pow x 2)) 0.050 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0 0.050 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.050 * [taylor]: Taking taylor expansion of 2.0 in x 0.050 * [backup-simplify]: Simplify 2.0 into 2.0 0.050 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.050 * [taylor]: Taking taylor expansion of x in x 0.050 * [backup-simplify]: Simplify 0 into 0 0.050 * [backup-simplify]: Simplify 1 into 1 0.050 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x 0.050 * [taylor]: Taking taylor expansion of 2.0 in x 0.050 * [backup-simplify]: Simplify 2.0 into 2.0 0.050 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.050 * [taylor]: Taking taylor expansion of x in x 0.050 * [backup-simplify]: Simplify 0 into 0 0.050 * [backup-simplify]: Simplify 1 into 1 0.055 * [backup-simplify]: Simplify (* 1 1) into 1 0.056 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 0.056 * [backup-simplify]: Simplify 2.0 into 2.0 0.056 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.057 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 0.057 * [backup-simplify]: Simplify 0 into 0 0.057 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.058 * [backup-simplify]: Simplify (+ (* 2.0 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 1)))) into 0 0.059 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.059 * [backup-simplify]: Simplify 0 into 0 0.060 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.061 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.061 * [backup-simplify]: Simplify 0 into 0 0.062 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.062 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 0.062 * [backup-simplify]: Simplify 0 into 0 0.063 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.064 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 0.064 * [backup-simplify]: Simplify 0 into 0 0.064 * [backup-simplify]: Simplify (* 2.0 (pow x 2)) into (* 2.0 (pow x 2)) 0.064 * [backup-simplify]: Simplify (* (* (/ 1 x) (/ 1 x)) 2.0) into (/ 2.0 (pow x 2)) 0.064 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0 0.064 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.064 * [taylor]: Taking taylor expansion of 2.0 in x 0.064 * [backup-simplify]: Simplify 2.0 into 2.0 0.064 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.064 * [taylor]: Taking taylor expansion of x in x 0.064 * [backup-simplify]: Simplify 0 into 0 0.064 * [backup-simplify]: Simplify 1 into 1 0.065 * [backup-simplify]: Simplify (* 1 1) into 1 0.065 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.065 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x 0.065 * [taylor]: Taking taylor expansion of 2.0 in x 0.065 * [backup-simplify]: Simplify 2.0 into 2.0 0.065 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.065 * [taylor]: Taking taylor expansion of x in x 0.065 * [backup-simplify]: Simplify 0 into 0 0.065 * [backup-simplify]: Simplify 1 into 1 0.065 * [backup-simplify]: Simplify (* 1 1) into 1 0.066 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0 0.066 * [backup-simplify]: Simplify 2.0 into 2.0 0.066 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.067 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0 0.067 * [backup-simplify]: Simplify 0 into 0 0.067 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.068 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 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 1)))) into 0 0.069 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.069 * [backup-simplify]: Simplify 0 into 0 0.070 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.070 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 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 1)))))) into 0 0.072 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.072 * [backup-simplify]: Simplify 0 into 0 0.073 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 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)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.073 * [backup-simplify]: Simplify 0 into 0 0.074 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 x)) 2)) into (* 2.0 (pow x 2)) 0.074 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (/ 1 (- x))) 2.0) into (/ 2.0 (pow x 2)) 0.074 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 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 0.074 * [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 0.079 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.080 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.080 * [backup-simplify]: Simplify 0 into 0 0.080 * [backup-simplify]: Simplify (+ (* 1 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)))) into 0 0.081 * [backup-simplify]: Simplify 0 into 0 0.082 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 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)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.083 * [backup-simplify]: Simplify 0 into 0 0.083 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 (- x))) 2)) into (* 2.0 (pow x 2)) 0.083 * * * [progress]: simplifying candidates 0.083 * * * * [progress]: [ 1 / 23 ] simplifiying candidate # 0.083 * * * * [progress]: [ 2 / 23 ] simplifiying candidate # 0.083 * * * * [progress]: [ 3 / 23 ] simplifiying candidate # 0.083 * * * * [progress]: [ 4 / 23 ] simplifiying candidate # 0.083 * * * * [progress]: [ 5 / 23 ] simplifiying candidate # 0.083 * * * * [progress]: [ 6 / 23 ] simplifiying candidate # 0.083 * * * * [progress]: [ 7 / 23 ] simplifiying candidate # 0.083 * * * * [progress]: [ 8 / 23 ] simplifiying candidate # 0.083 * * * * [progress]: [ 9 / 23 ] simplifiying candidate # 0.084 * * * * [progress]: [ 10 / 23 ] simplifiying candidate # 0.084 * * * * [progress]: [ 11 / 23 ] simplifiying candidate # 0.084 * * * * [progress]: [ 12 / 23 ] simplifiying candidate # 0.084 * * * * [progress]: [ 13 / 23 ] simplifiying candidate # 0.084 * * * * [progress]: [ 14 / 23 ] simplifiying candidate # 0.084 * * * * [progress]: [ 15 / 23 ] simplifiying candidate # 0.084 * * * * [progress]: [ 16 / 23 ] simplifiying candidate # 0.084 * * * * [progress]: [ 17 / 23 ] simplifiying candidate # 0.084 * * * * [progress]: [ 18 / 23 ] simplifiying candidate # 0.084 * * * * [progress]: [ 19 / 23 ] simplifiying candidate #real (real->posit16 (* (* x x) 2.0))) 1.0))> 0.084 * * * * [progress]: [ 20 / 23 ] simplifiying candidate # 0.084 * * * * [progress]: [ 21 / 23 ] simplifiying candidate # 0.084 * * * * [progress]: [ 22 / 23 ] simplifiying candidate # 0.084 * * * * [progress]: [ 23 / 23 ] simplifiying candidate # 0.085 * [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) (real->posit16 (* (* x x) 2.0)) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) (* 2.0 (pow x 2)) 0.085 * * [simplify]: iteration 0: 38 enodes 0.097 * * [simplify]: iteration 1: 103 enodes 0.128 * * [simplify]: iteration 2: 326 enodes 0.637 * * [simplify]: iteration 3: 1230 enodes 1.467 * * [simplify]: iteration complete: 5000 enodes 1.467 * * [simplify]: Extracting #0: cost 13 inf + 0 1.468 * * [simplify]: Extracting #1: cost 429 inf + 0 1.476 * * [simplify]: Extracting #2: cost 1673 inf + 4599 1.500 * * [simplify]: Extracting #3: cost 852 inf + 131492 1.544 * * [simplify]: Extracting #4: cost 32 inf + 239861 1.592 * * [simplify]: Extracting #5: cost 2 inf + 244786 1.652 * * [simplify]: Extracting #6: cost 0 inf + 245412 1.697 * [simplify]: Simplified to: (* 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))) (* (* (* 2.0 (* x x)) (* 2.0 (* x x))) (* 2.0 (* x x))) (* (* (* 2.0 (* x x)) (* 2.0 (* x x))) (* 2.0 (* x x))) (* (cbrt (* x (* x 2.0))) (cbrt (* x (* x 2.0)))) (cbrt (* x (* x 2.0))) (* (* (* 2.0 (* x x)) (* 2.0 (* x x))) (* 2.0 (* x x))) (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) (real->posit16 (* x (* x 2.0))) (* x (* x 2.0)) (* x (* x 2.0)) (* x (* x 2.0)) 1.698 * * * [progress]: adding candidates to table 1.741 * [progress]: [Phase 3 of 3] Extracting. 1.743 * [simplify]: Simplifying: (- (* (* x x) 2.0) 1.0) 1.743 * * [simplify]: iteration 0: 6 enodes 1.743 * * [simplify]: iteration 1: 7 enodes 1.744 * * [simplify]: iteration complete: 7 enodes 1.744 * * [simplify]: Extracting #0: cost 1 inf + 0 1.744 * * [simplify]: Extracting #1: cost 3 inf + 0 1.744 * * [simplify]: Extracting #2: cost 4 inf + 1 1.744 * * [simplify]: Extracting #3: cost 4 inf + 2 1.744 * * [simplify]: Extracting #4: cost 3 inf + 3 1.744 * * [simplify]: Extracting #5: cost 0 inf + 249 1.744 * [simplify]: Simplified to: (- (* 2.0 (* x x)) 1.0) 2.274 * [regime-testing]: Baseline error score: 0.001375171896487061 2.277 * [regime-testing]: Oracle error score: 0.001375171896487061 2.277 * [regime-testing]: End program error score: 0.001375171896487061