4.408 * [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. 0.015 * [simplify]: Simplifying using # : (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673) 0.016 * * [simplify]: iteration 0 : 10 enodes (cost 11 ) 0.017 * * [simplify]: iteration 1 : 20 enodes (cost 11 ) 0.020 * * [simplify]: iteration 2 : 48 enodes (cost 11 ) 0.026 * * [simplify]: iteration 3 : 89 enodes (cost 10 ) 0.042 * * [simplify]: iteration 4 : 179 enodes (cost 10 ) 0.069 * * [simplify]: iteration 5 : 304 enodes (cost 10 ) 0.119 * * [simplify]: iteration 6 : 446 enodes (cost 10 ) 0.197 * * [simplify]: iteration 7 : 706 enodes (cost 10 ) 0.365 * * [simplify]: iteration 8 : 1192 enodes (cost 10 ) 0.985 * * [simplify]: iteration 9 : 1325 enodes (cost 10 ) 1.486 * * [simplify]: iteration 10 : 1329 enodes (cost 10 ) 1.980 * * [simplify]: iteration done : 1329 enodes (cost 10 ) 1.980 * [simplify]: Simplified to: (fma x (- y 1.0) (fma 0.5 (- y) 0.918938533204673)) 1.984 * * [progress]: iteration 1 / 4 1.984 * * * [progress]: picking best candidate 1.985 * * * * [pick]: Picked # 1.985 * * * [progress]: localizing error 1.993 * * * [progress]: generating rewritten candidates 1.993 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1) 2.007 * * * [progress]: generating series expansions 2.007 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1) 2.007 * [approximate]: Taking taylor expansion of (* x (- y 1.0)) in (x y) around 0 2.007 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in y 2.007 * [taylor]: Taking taylor expansion of x in y 2.007 * [taylor]: Taking taylor expansion of (- y 1.0) in y 2.007 * [taylor]: Taking taylor expansion of y in y 2.007 * [taylor]: Taking taylor expansion of 1.0 in y 2.007 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in x 2.007 * [taylor]: Taking taylor expansion of x in x 2.007 * [taylor]: Taking taylor expansion of (- y 1.0) in x 2.007 * [taylor]: Taking taylor expansion of y in x 2.007 * [taylor]: Taking taylor expansion of 1.0 in x 2.007 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in x 2.007 * [taylor]: Taking taylor expansion of x in x 2.007 * [taylor]: Taking taylor expansion of (- y 1.0) in x 2.007 * [taylor]: Taking taylor expansion of y in x 2.007 * [taylor]: Taking taylor expansion of 1.0 in x 2.008 * [taylor]: Taking taylor expansion of 0 in y 2.009 * [taylor]: Taking taylor expansion of (- y 1.0) in y 2.009 * [taylor]: Taking taylor expansion of y in y 2.009 * [taylor]: Taking taylor expansion of 1.0 in y 2.011 * [taylor]: Taking taylor expansion of 0 in y 2.013 * [taylor]: Taking taylor expansion of 0 in y 2.014 * [taylor]: Taking taylor expansion of 0 in y 2.018 * [approximate]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in (x y) around 0 2.018 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in y 2.018 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y 2.018 * [taylor]: Taking taylor expansion of (/ 1 y) in y 2.018 * [taylor]: Taking taylor expansion of y in y 2.018 * [taylor]: Taking taylor expansion of 1.0 in y 2.018 * [taylor]: Taking taylor expansion of x in y 2.018 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in x 2.019 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in x 2.019 * [taylor]: Taking taylor expansion of (/ 1 y) in x 2.019 * [taylor]: Taking taylor expansion of y in x 2.019 * [taylor]: Taking taylor expansion of 1.0 in x 2.019 * [taylor]: Taking taylor expansion of x in x 2.019 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in x 2.019 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in x 2.019 * [taylor]: Taking taylor expansion of (/ 1 y) in x 2.019 * [taylor]: Taking taylor expansion of y in x 2.019 * [taylor]: Taking taylor expansion of 1.0 in x 2.019 * [taylor]: Taking taylor expansion of x in x 2.020 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y 2.020 * [taylor]: Taking taylor expansion of (/ 1 y) in y 2.020 * [taylor]: Taking taylor expansion of y in y 2.020 * [taylor]: Taking taylor expansion of 1.0 in y 2.022 * [taylor]: Taking taylor expansion of 0 in y 2.024 * [taylor]: Taking taylor expansion of 0 in y 2.027 * [taylor]: Taking taylor expansion of 0 in y 2.030 * [taylor]: Taking taylor expansion of 0 in y 2.031 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in (x y) around 0 2.031 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in y 2.031 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y 2.031 * [taylor]: Taking taylor expansion of (/ 1 y) in y 2.031 * [taylor]: Taking taylor expansion of y in y 2.031 * [taylor]: Taking taylor expansion of 1.0 in y 2.031 * [taylor]: Taking taylor expansion of x in y 2.031 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in x 2.031 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x 2.031 * [taylor]: Taking taylor expansion of (/ 1 y) in x 2.031 * [taylor]: Taking taylor expansion of y in x 2.032 * [taylor]: Taking taylor expansion of 1.0 in x 2.032 * [taylor]: Taking taylor expansion of x in x 2.032 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in x 2.032 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x 2.032 * [taylor]: Taking taylor expansion of (/ 1 y) in x 2.032 * [taylor]: Taking taylor expansion of y in x 2.032 * [taylor]: Taking taylor expansion of 1.0 in x 2.032 * [taylor]: Taking taylor expansion of x in x 2.032 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y 2.032 * [taylor]: Taking taylor expansion of (/ 1 y) in y 2.032 * [taylor]: Taking taylor expansion of y in y 2.032 * [taylor]: Taking taylor expansion of 1.0 in y 2.034 * [taylor]: Taking taylor expansion of 0 in y 2.036 * [taylor]: Taking taylor expansion of 0 in y 2.038 * [taylor]: Taking taylor expansion of 0 in y 2.040 * [taylor]: Taking taylor expansion of 0 in y 2.041 * * * [progress]: simplifying candidates 2.042 * [simplify]: Simplifying using # : (expm1 (* x (- y 1.0))) (log1p (* x (- y 1.0))) (* x (- y 1.0)) (+ (log x) (log (- y 1.0))) (log (* x (- y 1.0))) (exp (* x (- y 1.0))) (* (* (* x x) x) (* (* (- y 1.0) (- y 1.0)) (- y 1.0))) (* (cbrt (* x (- y 1.0))) (cbrt (* x (- y 1.0)))) (cbrt (* x (- y 1.0))) (* (* (* x (- y 1.0)) (* x (- y 1.0))) (* x (- y 1.0))) (sqrt (* x (- y 1.0))) (sqrt (* x (- y 1.0))) (* (sqrt x) (sqrt (- y 1.0))) (* (sqrt x) (sqrt (- y 1.0))) (* x (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))) (* x (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) (* x (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* (sqrt 1.0) (sqrt 1.0))))) (* x (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0)))) (* x (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* 1.0 1)))) (* x (fma (- 1.0) 1 (* 1.0 1))) (* x (fma (sqrt y) (sqrt y) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))) (* x (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) (* x (fma (sqrt y) (sqrt y) (- (* (sqrt 1.0) (sqrt 1.0))))) (* x (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0)))) (* x (fma (sqrt y) (sqrt y) (- (* 1.0 1)))) (* x (fma (- 1.0) 1 (* 1.0 1))) (* x (fma 1 y (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))) (* x (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) (* x (fma 1 y (- (* (sqrt 1.0) (sqrt 1.0))))) (* x (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0)))) (* x (fma 1 y (- (* 1.0 1)))) (* x (fma (- 1.0) 1 (* 1.0 1))) (* x y) (* x (- 1.0)) (* x y) (* x (- 1.0)) (* (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) x) (* (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))) x) (* (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* (sqrt 1.0) (sqrt 1.0)))) x) (* (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) x) (* (fma (* (cbrt y) (cbrt y)) (cbrt y) (- (* 1.0 1))) x) (* (fma (- 1.0) 1 (* 1.0 1)) x) (* (fma (sqrt y) (sqrt y) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) x) (* (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))) x) (* (fma (sqrt y) (sqrt y) (- (* (sqrt 1.0) (sqrt 1.0)))) x) (* (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) x) (* (fma (sqrt y) (sqrt y) (- (* 1.0 1))) x) (* (fma (- 1.0) 1 (* 1.0 1)) x) (* (fma 1 y (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) x) (* (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))) x) (* (fma 1 y (- (* (sqrt 1.0) (sqrt 1.0)))) x) (* (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) x) (* (fma 1 y (- (* 1.0 1))) x) (* (fma (- 1.0) 1 (* 1.0 1)) x) (* y x) (* (- 1.0) x) (* y x) (* (- 1.0) x) (* x (* (cbrt (- y 1.0)) (cbrt (- y 1.0)))) (* x (sqrt (- y 1.0))) (* x 1) (* x (+ (sqrt y) (sqrt 1.0))) (* x 1) (* (cbrt x) (- y 1.0)) (* (sqrt x) (- y 1.0)) (* x (- y 1.0)) (* x (- (pow y 3) (pow 1.0 3))) (* x (- (* y y) (* 1.0 1.0))) (- (* x y) (* 1.0 x)) (- (* x y) (* 1.0 x)) (- (* x y) (* 1.0 x)) 2.044 * * [simplify]: iteration 0 : 102 enodes (cost 721 ) 2.060 * * [simplify]: iteration 1 : 194 enodes (cost 554 ) 2.103 * * [simplify]: iteration 2 : 674 enodes (cost 420 ) 2.419 * * [simplify]: iteration 3 : 2540 enodes (cost 396 ) 3.839 * * [simplify]: iteration done : 5000 enodes (cost 396 ) 3.839 * [simplify]: Simplified to: (expm1 (* x (- y 1.0))) (log1p (* x (- y 1.0))) (* (- y 1.0) x) (log (* x (- y 1.0))) (log (* x (- y 1.0))) (exp (* x (- y 1.0))) (pow (* x (- y 1.0)) 3) (* (cbrt (* x (- y 1.0))) (cbrt (* x (- y 1.0)))) (cbrt (* x (- y 1.0))) (pow (* x (- y 1.0)) 3) (sqrt (* x (- y 1.0))) (sqrt (* x (- y 1.0))) (* (sqrt x) (sqrt (- y 1.0))) (* (sqrt x) (sqrt (- y 1.0))) (* (- (pow (cbrt y) 3) 1.0) x) (* x (* 1.0 0)) (* (- (pow (cbrt y) 3) 1.0) x) (* x (* 1.0 0)) (* (- (pow (cbrt y) 3) 1.0) x) (* x (* 1.0 0)) (* (- y 1.0) x) (* x (* 1.0 0)) (* (- y 1.0) x) (* x (* 1.0 0)) (* (- y 1.0) x) (* x (* 1.0 0)) (* (- y 1.0) x) (* x (* 1.0 0)) (* (- y 1.0) x) (* x (* 1.0 0)) (* (- y 1.0) x) (* x (* 1.0 0)) (* y x) (* (- 1.0) x) (* y x) (* (- 1.0) x) (* (- (pow (cbrt y) 3) 1.0) x) (* x (* 1.0 0)) (* (- (pow (cbrt y) 3) 1.0) x) (* x (* 1.0 0)) (* (- (pow (cbrt y) 3) 1.0) x) (* x (* 1.0 0)) (* (- y 1.0) x) (* x (* 1.0 0)) (* (- y 1.0) x) (* x (* 1.0 0)) (* (- y 1.0) x) (* x (* 1.0 0)) (* (- y 1.0) x) (* x (* 1.0 0)) (* (- y 1.0) x) (* x (* 1.0 0)) (* (- y 1.0) x) (* x (* 1.0 0)) (* y x) (* (- 1.0) x) (* y x) (* (- 1.0) x) (* x (* (cbrt (- y 1.0)) (cbrt (- y 1.0)))) (* x (sqrt (- y 1.0))) x (* x (+ (sqrt y) (sqrt 1.0))) x (* (cbrt x) (- y 1.0)) (* (sqrt x) (- y 1.0)) (* (- y 1.0) x) (* x (- (pow y 3) (pow 1.0 3))) (* x (- (* y y) (* 1.0 1.0))) (* (- y 1.0) x) (* (- y 1.0) x) (* (- y 1.0) x) 3.840 * * * [progress]: adding candidates to table 3.897 * * [progress]: iteration 2 / 4 3.897 * * * [progress]: picking best candidate 3.899 * * * * [pick]: Picked # 3.899 * * * [progress]: localizing error 3.908 * * * [progress]: generating rewritten candidates 3.908 * * * [progress]: generating series expansions 3.908 * * * [progress]: simplifying candidates 3.908 * [simplify]: Simplifying using # : 3.909 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 3.909 * * [simplify]: iteration done : 0 enodes (cost 0 ) 3.909 * [simplify]: Simplified to: 3.909 * * * [progress]: adding candidates to table 3.909 * [progress]: [Phase 3 of 3] Extracting. 3.911 * [simplify]: Simplifying using # : (+ (- (+ (* y x) (* (- 1.0) x)) (* y 0.5)) 0.918938533204673) 3.911 * * [simplify]: iteration 0 : 12 enodes (cost 14 ) 3.912 * * [simplify]: iteration 1 : 19 enodes (cost 14 ) 3.913 * * [simplify]: iteration 2 : 22 enodes (cost 14 ) 3.913 * * [simplify]: iteration 3 : 23 enodes (cost 14 ) 3.914 * * [simplify]: iteration done : 23 enodes (cost 14 ) 3.914 * [simplify]: Simplified to: (+ (- (+ (* y x) (* (- 1.0) x)) (* y 0.5)) 0.918938533204673) 4.317 * [regime-testing]: End program error score: 0.010401259200504607