2.739 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.017 * * * [progress]: [2/2] Setting up program. 0.018 * [progress]: [Phase 2 of 3] Improving. 0.019 * [simplify]: Simplifying using # : (+ (+ (/ x 2.0) (* y x)) z) 0.020 * * [simplify]: iteration 0 : 8 enodes (cost 9 ) 0.021 * * [simplify]: iteration 1 : 13 enodes (cost 9 ) 0.022 * * [simplify]: iteration 2 : 19 enodes (cost 9 ) 0.024 * * [simplify]: iteration 3 : 20 enodes (cost 9 ) 0.026 * * [simplify]: iteration done : 20 enodes (cost 9 ) 0.027 * [simplify]: Simplified to: (+ (+ (/ x 2.0) (* y x)) z) 0.027 * * [progress]: iteration 1 / 4 0.027 * * * [progress]: picking best candidate 0.028 * * * * [pick]: Picked # 0.028 * * * [progress]: localizing error 0.034 * * * [progress]: generating rewritten candidates 0.034 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.042 * * * [progress]: generating series expansions 0.042 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.042 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in (x y) around 0 0.042 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in y 0.042 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 0.042 * [taylor]: Taking taylor expansion of 0.5 in y 0.042 * [taylor]: Taking taylor expansion of x in y 0.043 * [taylor]: Taking taylor expansion of (* x y) in y 0.043 * [taylor]: Taking taylor expansion of x in y 0.043 * [taylor]: Taking taylor expansion of y in y 0.043 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x 0.043 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.043 * [taylor]: Taking taylor expansion of 0.5 in x 0.043 * [taylor]: Taking taylor expansion of x in x 0.043 * [taylor]: Taking taylor expansion of (* x y) in x 0.043 * [taylor]: Taking taylor expansion of x in x 0.043 * [taylor]: Taking taylor expansion of y in x 0.043 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x 0.043 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.043 * [taylor]: Taking taylor expansion of 0.5 in x 0.043 * [taylor]: Taking taylor expansion of x in x 0.043 * [taylor]: Taking taylor expansion of (* x y) in x 0.043 * [taylor]: Taking taylor expansion of x in x 0.043 * [taylor]: Taking taylor expansion of y in x 0.044 * [taylor]: Taking taylor expansion of 0 in y 0.045 * [taylor]: Taking taylor expansion of (+ y 0.5) in y 0.045 * [taylor]: Taking taylor expansion of y in y 0.045 * [taylor]: Taking taylor expansion of 0.5 in y 0.046 * [taylor]: Taking taylor expansion of 0 in y 0.048 * [taylor]: Taking taylor expansion of 0 in y 0.051 * [taylor]: Taking taylor expansion of 0 in y 0.051 * [approximate]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0 0.051 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y 0.051 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y 0.051 * [taylor]: Taking taylor expansion of (* x y) in y 0.051 * [taylor]: Taking taylor expansion of x in y 0.051 * [taylor]: Taking taylor expansion of y in y 0.051 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 0.051 * [taylor]: Taking taylor expansion of 0.5 in y 0.051 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.051 * [taylor]: Taking taylor expansion of x in y 0.051 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x 0.051 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.051 * [taylor]: Taking taylor expansion of (* x y) in x 0.051 * [taylor]: Taking taylor expansion of x in x 0.051 * [taylor]: Taking taylor expansion of y in x 0.052 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.052 * [taylor]: Taking taylor expansion of 0.5 in x 0.052 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.052 * [taylor]: Taking taylor expansion of x in x 0.052 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x 0.052 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.052 * [taylor]: Taking taylor expansion of (* x y) in x 0.052 * [taylor]: Taking taylor expansion of x in x 0.052 * [taylor]: Taking taylor expansion of y in x 0.052 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.053 * [taylor]: Taking taylor expansion of 0.5 in x 0.053 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.053 * [taylor]: Taking taylor expansion of x in x 0.053 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y 0.053 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.053 * [taylor]: Taking taylor expansion of y in y 0.054 * [taylor]: Taking taylor expansion of 0.5 in y 0.055 * [taylor]: Taking taylor expansion of 0 in y 0.058 * [taylor]: Taking taylor expansion of 0 in y 0.061 * [taylor]: Taking taylor expansion of 0 in y 0.065 * [taylor]: Taking taylor expansion of 0 in y 0.066 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0 0.066 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y 0.066 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y 0.066 * [taylor]: Taking taylor expansion of (* x y) in y 0.066 * [taylor]: Taking taylor expansion of x in y 0.066 * [taylor]: Taking taylor expansion of y in y 0.066 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 0.066 * [taylor]: Taking taylor expansion of 0.5 in y 0.066 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.066 * [taylor]: Taking taylor expansion of x in y 0.066 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x 0.066 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.066 * [taylor]: Taking taylor expansion of (* x y) in x 0.066 * [taylor]: Taking taylor expansion of x in x 0.066 * [taylor]: Taking taylor expansion of y in x 0.067 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.067 * [taylor]: Taking taylor expansion of 0.5 in x 0.067 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.067 * [taylor]: Taking taylor expansion of x in x 0.067 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x 0.067 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.067 * [taylor]: Taking taylor expansion of (* x y) in x 0.067 * [taylor]: Taking taylor expansion of x in x 0.067 * [taylor]: Taking taylor expansion of y in x 0.067 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.067 * [taylor]: Taking taylor expansion of 0.5 in x 0.067 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.067 * [taylor]: Taking taylor expansion of x in x 0.069 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y 0.069 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.069 * [taylor]: Taking taylor expansion of y in y 0.069 * [taylor]: Taking taylor expansion of 0.5 in y 0.071 * [taylor]: Taking taylor expansion of 0 in y 0.075 * [taylor]: Taking taylor expansion of 0 in y 0.078 * [taylor]: Taking taylor expansion of 0 in y 0.082 * [taylor]: Taking taylor expansion of 0 in y 0.083 * * * [progress]: simplifying candidates 0.083 * [simplify]: Simplifying using # : (* (exp (/ x 2.0)) (exp (* y x))) (log (+ (/ x 2.0) (* y x))) (exp (+ (/ x 2.0) (* y x))) (* (cbrt (+ (/ x 2.0) (* y x))) (cbrt (+ (/ x 2.0) (* y x)))) (cbrt (+ (/ x 2.0) (* y x))) (* (* (+ (/ x 2.0) (* y x)) (+ (/ x 2.0) (* y x))) (+ (/ x 2.0) (* y x))) (sqrt (+ (/ x 2.0) (* y x))) (sqrt (+ (/ x 2.0) (* y x))) (+ (pow (/ x 2.0) 3) (pow (* y x) 3)) (+ (* (/ x 2.0) (/ x 2.0)) (- (* (* y x) (* y x)) (* (/ x 2.0) (* y x)))) (- (* (/ x 2.0) (/ x 2.0)) (* (* y x) (* y x))) (- (/ x 2.0) (* y x)) (+ (* 0.5 x) (* x y)) (+ (* 0.5 x) (* x y)) (+ (* 0.5 x) (* x y)) 0.084 * * [simplify]: iteration 0 : 31 enodes (cost 166 ) 0.092 * * [simplify]: iteration 1 : 94 enodes (cost 161 ) 0.108 * * [simplify]: iteration 2 : 269 enodes (cost 141 ) 0.160 * * [simplify]: iteration 3 : 685 enodes (cost 141 ) 0.326 * * [simplify]: iteration 4 : 1557 enodes (cost 137 ) 0.866 * * [simplify]: iteration 5 : 4111 enodes (cost 137 ) 2.690 * * [simplify]: iteration done : 5000 enodes (cost 137 ) 2.690 * [simplify]: Simplified to: (exp (+ (/ x 2.0) (* y x))) (log (+ (/ x 2.0) (* y x))) (exp (+ (/ x 2.0) (* y x))) (* (cbrt (+ (/ x 2.0) (* y x))) (cbrt (+ (/ x 2.0) (* y x)))) (cbrt (+ (/ x 2.0) (* y x))) (pow (+ (/ x 2.0) (* y x)) 3) (sqrt (+ (/ x 2.0) (* y x))) (sqrt (+ (/ x 2.0) (* y x))) (+ (pow (/ x 2.0) 3) (pow (* y x) 3)) (* x (+ (* (- (* x y) (/ x 2.0)) y) (/ x (* 2.0 2.0)))) (* x (- (/ x (* 2.0 2.0)) (* (* y y) x))) (- (/ x 2.0) (* y x)) (* x (+ 0.5 y)) (* x (+ 0.5 y)) (* x (+ 0.5 y)) 2.690 * * * [progress]: adding candidates to table 2.721 * * [progress]: iteration 2 / 4 2.721 * * * [progress]: picking best candidate 2.722 * * * * [pick]: Picked # 2.722 * * * [progress]: localizing error 2.727 * * * [progress]: generating rewritten candidates 2.727 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 2.737 * * * [progress]: generating series expansions 2.737 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 2.737 * [approximate]: Taking taylor expansion of (* x (+ y 0.5)) in (x y) around 0 2.737 * [taylor]: Taking taylor expansion of (* x (+ y 0.5)) in y 2.737 * [taylor]: Taking taylor expansion of x in y 2.737 * [taylor]: Taking taylor expansion of (+ y 0.5) in y 2.737 * [taylor]: Taking taylor expansion of y in y 2.737 * [taylor]: Taking taylor expansion of 0.5 in y 2.737 * [taylor]: Taking taylor expansion of (* x (+ y 0.5)) in x 2.737 * [taylor]: Taking taylor expansion of x in x 2.737 * [taylor]: Taking taylor expansion of (+ y 0.5) in x 2.737 * [taylor]: Taking taylor expansion of y in x 2.737 * [taylor]: Taking taylor expansion of 0.5 in x 2.737 * [taylor]: Taking taylor expansion of (* x (+ y 0.5)) in x 2.737 * [taylor]: Taking taylor expansion of x in x 2.737 * [taylor]: Taking taylor expansion of (+ y 0.5) in x 2.737 * [taylor]: Taking taylor expansion of y in x 2.737 * [taylor]: Taking taylor expansion of 0.5 in x 2.738 * [taylor]: Taking taylor expansion of 0 in y 2.739 * [taylor]: Taking taylor expansion of (+ y 0.5) in y 2.739 * [taylor]: Taking taylor expansion of y in y 2.739 * [taylor]: Taking taylor expansion of 0.5 in y 2.740 * [taylor]: Taking taylor expansion of 0 in y 2.741 * [taylor]: Taking taylor expansion of 0 in y 2.743 * [taylor]: Taking taylor expansion of 0 in y 2.743 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) 0.5) x) in (x y) around 0 2.744 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 0.5) x) in y 2.744 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y 2.744 * [taylor]: Taking taylor expansion of (/ 1 y) in y 2.744 * [taylor]: Taking taylor expansion of y in y 2.744 * [taylor]: Taking taylor expansion of 0.5 in y 2.744 * [taylor]: Taking taylor expansion of x in y 2.744 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 0.5) x) in x 2.744 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in x 2.744 * [taylor]: Taking taylor expansion of (/ 1 y) in x 2.744 * [taylor]: Taking taylor expansion of y in x 2.744 * [taylor]: Taking taylor expansion of 0.5 in x 2.744 * [taylor]: Taking taylor expansion of x in x 2.744 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 0.5) x) in x 2.744 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in x 2.744 * [taylor]: Taking taylor expansion of (/ 1 y) in x 2.744 * [taylor]: Taking taylor expansion of y in x 2.744 * [taylor]: Taking taylor expansion of 0.5 in x 2.745 * [taylor]: Taking taylor expansion of x in x 2.745 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y 2.745 * [taylor]: Taking taylor expansion of (/ 1 y) in y 2.745 * [taylor]: Taking taylor expansion of y in y 2.745 * [taylor]: Taking taylor expansion of 0.5 in y 2.746 * [taylor]: Taking taylor expansion of 0 in y 2.748 * [taylor]: Taking taylor expansion of 0 in y 2.751 * [taylor]: Taking taylor expansion of 0 in y 2.754 * [taylor]: Taking taylor expansion of 0 in y 2.754 * [approximate]: Taking taylor expansion of (* -1 (/ (- 0.5 (/ 1 y)) x)) in (x y) around 0 2.754 * [taylor]: Taking taylor expansion of (* -1 (/ (- 0.5 (/ 1 y)) x)) in y 2.754 * [taylor]: Taking taylor expansion of -1 in y 2.754 * [taylor]: Taking taylor expansion of (/ (- 0.5 (/ 1 y)) x) in y 2.754 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in y 2.754 * [taylor]: Taking taylor expansion of 0.5 in y 2.754 * [taylor]: Taking taylor expansion of (/ 1 y) in y 2.754 * [taylor]: Taking taylor expansion of y in y 2.754 * [taylor]: Taking taylor expansion of x in y 2.755 * [taylor]: Taking taylor expansion of (* -1 (/ (- 0.5 (/ 1 y)) x)) in x 2.755 * [taylor]: Taking taylor expansion of -1 in x 2.755 * [taylor]: Taking taylor expansion of (/ (- 0.5 (/ 1 y)) x) in x 2.755 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in x 2.755 * [taylor]: Taking taylor expansion of 0.5 in x 2.755 * [taylor]: Taking taylor expansion of (/ 1 y) in x 2.755 * [taylor]: Taking taylor expansion of y in x 2.755 * [taylor]: Taking taylor expansion of x in x 2.755 * [taylor]: Taking taylor expansion of (* -1 (/ (- 0.5 (/ 1 y)) x)) in x 2.755 * [taylor]: Taking taylor expansion of -1 in x 2.755 * [taylor]: Taking taylor expansion of (/ (- 0.5 (/ 1 y)) x) in x 2.755 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in x 2.755 * [taylor]: Taking taylor expansion of 0.5 in x 2.755 * [taylor]: Taking taylor expansion of (/ 1 y) in x 2.755 * [taylor]: Taking taylor expansion of y in x 2.755 * [taylor]: Taking taylor expansion of x in x 2.755 * [taylor]: Taking taylor expansion of (* -1 (- 0.5 (/ 1 y))) in y 2.755 * [taylor]: Taking taylor expansion of -1 in y 2.755 * [taylor]: Taking taylor expansion of (- 0.5 (/ 1 y)) in y 2.755 * [taylor]: Taking taylor expansion of 0.5 in y 2.755 * [taylor]: Taking taylor expansion of (/ 1 y) in y 2.755 * [taylor]: Taking taylor expansion of y in y 2.758 * [taylor]: Taking taylor expansion of 0 in y 2.762 * [taylor]: Taking taylor expansion of 0 in y 2.766 * [taylor]: Taking taylor expansion of 0 in y 2.771 * [taylor]: Taking taylor expansion of 0 in y 2.771 * * * [progress]: simplifying candidates 2.772 * [simplify]: Simplifying using # : (* x (+ 0.5 y)) (+ (log x) (log (+ 0.5 y))) (log (* x (+ 0.5 y))) (exp (* x (+ 0.5 y))) (* (* (* x x) x) (* (* (+ 0.5 y) (+ 0.5 y)) (+ 0.5 y))) (* (cbrt (* x (+ 0.5 y))) (cbrt (* x (+ 0.5 y)))) (cbrt (* x (+ 0.5 y))) (* (* (* x (+ 0.5 y)) (* x (+ 0.5 y))) (* x (+ 0.5 y))) (sqrt (* x (+ 0.5 y))) (sqrt (* x (+ 0.5 y))) (* (sqrt x) (sqrt (+ 0.5 y))) (* (sqrt x) (sqrt (+ 0.5 y))) (* x 0.5) (* x y) (* 0.5 x) (* y x) (* x (* (cbrt (+ 0.5 y)) (cbrt (+ 0.5 y)))) (* x (sqrt (+ 0.5 y))) (* x 1) (* x 1) (* (cbrt x) (+ 0.5 y)) (* (sqrt x) (+ 0.5 y)) (* x (+ 0.5 y)) (* x (+ (pow 0.5 3) (pow y 3))) (* x (- (* 0.5 0.5) (* y y))) (+ (* 0.5 x) (* x y)) (+ (* 0.5 x) (* x y)) (+ (* 0.5 x) (* x y)) 2.773 * * [simplify]: iteration 0 : 46 enodes (cost 194 ) 2.781 * * [simplify]: iteration 1 : 127 enodes (cost 183 ) 2.805 * * [simplify]: iteration 2 : 327 enodes (cost 163 ) 2.872 * * [simplify]: iteration 3 : 840 enodes (cost 163 ) 3.190 * * [simplify]: iteration 4 : 2135 enodes (cost 163 ) 4.406 * * [simplify]: iteration done : 5000 enodes (cost 163 ) 4.406 * [simplify]: Simplified to: (* (+ 0.5 y) x) (log (* x (+ 0.5 y))) (log (* x (+ 0.5 y))) (exp (* x (+ 0.5 y))) (pow (* (+ 0.5 y) x) 3) (* (cbrt (* x (+ 0.5 y))) (cbrt (* x (+ 0.5 y)))) (cbrt (* x (+ 0.5 y))) (pow (* (+ 0.5 y) x) 3) (sqrt (* x (+ 0.5 y))) (sqrt (* x (+ 0.5 y))) (* (sqrt x) (sqrt (+ 0.5 y))) (* (sqrt x) (sqrt (+ 0.5 y))) (* x 0.5) (* y x) (* x 0.5) (* y x) (* x (* (cbrt (+ 0.5 y)) (cbrt (+ 0.5 y)))) (* x (sqrt (+ 0.5 y))) x x (* (cbrt x) (+ 0.5 y)) (* (sqrt x) (+ 0.5 y)) (* (+ 0.5 y) x) (* x (+ (pow 0.5 3) (pow y 3))) (* x (- (* 0.5 0.5) (* y y))) (* (+ 0.5 y) x) (* (+ 0.5 y) x) (* (+ 0.5 y) x) 4.406 * * * [progress]: adding candidates to table 4.453 * [progress]: [Phase 3 of 3] Extracting. 4.453 * * [regime]: Finding splitpoints for: (# #) 4.453 * * * [regime-changes]: Trying 5 branch expressions: ((+ (/ x 2.0) (* y x)) (+ (+ (/ x 2.0) (* y x)) z) z y x) 4.453 * * * * [regimes]: Trying to branch on (+ (/ x 2.0) (* y x)) from (# #) 4.466 * * * * [regimes]: Trying to branch on (+ (+ (/ x 2.0) (* y x)) z) from (# #) 4.480 * * * * [regimes]: Trying to branch on z from (# #) 4.496 * * * * [regimes]: Trying to branch on y from (# #) 4.510 * * * * [regimes]: Trying to branch on x from (# #) 4.523 * * * [regime]: Found split indices: #