17.308 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.076 * * * [progress]: [2/2] Setting up program. 0.079 * [progress]: [Phase 2 of 3] Improving. 0.079 * [simplify]: Simplifying using # : (+ (- (* x (- y 1.0)) (* y 0.5)) 0.918938533204673) 0.099 * * [simplify]: iteration 0 : 642 enodes (cost 11 ) 0.099 * * [simplify]: iteration 1 : 642 enodes (cost 11 ) 0.099 * [simplify]: Simplified to: (+ (* x (- y 1.0)) (- 0.918938533204673 (* y 0.5))) 0.102 * * [progress]: iteration 1 / 4 0.102 * * * [progress]: picking best candidate 0.104 * * * * [pick]: Picked # 0.104 * * * [progress]: localizing error 0.111 * * * [progress]: generating rewritten candidates 0.111 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1) 0.117 * * * [progress]: generating series expansions 0.117 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1) 0.118 * [approximate]: Taking taylor expansion of (* x (- y 1.0)) in (x y) around 0 0.118 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in y 0.118 * [taylor]: Taking taylor expansion of x in y 0.118 * [taylor]: Taking taylor expansion of (- y 1.0) in y 0.118 * [taylor]: Taking taylor expansion of y in y 0.118 * [taylor]: Taking taylor expansion of 1.0 in y 0.118 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in x 0.118 * [taylor]: Taking taylor expansion of x in x 0.118 * [taylor]: Taking taylor expansion of (- y 1.0) in x 0.118 * [taylor]: Taking taylor expansion of y in x 0.118 * [taylor]: Taking taylor expansion of 1.0 in x 0.118 * [taylor]: Taking taylor expansion of (* x (- y 1.0)) in x 0.118 * [taylor]: Taking taylor expansion of x in x 0.118 * [taylor]: Taking taylor expansion of (- y 1.0) in x 0.118 * [taylor]: Taking taylor expansion of y in x 0.118 * [taylor]: Taking taylor expansion of 1.0 in x 0.118 * [taylor]: Taking taylor expansion of 0 in y 0.118 * [taylor]: Taking taylor expansion of (- y 1.0) in y 0.118 * [taylor]: Taking taylor expansion of y in y 0.118 * [taylor]: Taking taylor expansion of 1.0 in y 0.118 * [taylor]: Taking taylor expansion of 0 in y 0.118 * [taylor]: Taking taylor expansion of 0 in y 0.118 * [taylor]: Taking taylor expansion of 0 in y 0.119 * [approximate]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in (x y) around 0 0.119 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in y 0.119 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y 0.119 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.119 * [taylor]: Taking taylor expansion of y in y 0.119 * [taylor]: Taking taylor expansion of 1.0 in y 0.119 * [taylor]: Taking taylor expansion of x in y 0.119 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in x 0.119 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in x 0.119 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.119 * [taylor]: Taking taylor expansion of y in x 0.119 * [taylor]: Taking taylor expansion of 1.0 in x 0.119 * [taylor]: Taking taylor expansion of x in x 0.119 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) 1.0) x) in x 0.119 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in x 0.119 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.119 * [taylor]: Taking taylor expansion of y in x 0.119 * [taylor]: Taking taylor expansion of 1.0 in x 0.119 * [taylor]: Taking taylor expansion of x in x 0.119 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y 0.119 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.119 * [taylor]: Taking taylor expansion of y in y 0.120 * [taylor]: Taking taylor expansion of 1.0 in y 0.120 * [taylor]: Taking taylor expansion of 0 in y 0.120 * [taylor]: Taking taylor expansion of 0 in y 0.120 * [taylor]: Taking taylor expansion of 0 in y 0.120 * [taylor]: Taking taylor expansion of 0 in y 0.121 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in (x y) around 0 0.121 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in y 0.121 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y 0.121 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.121 * [taylor]: Taking taylor expansion of y in y 0.121 * [taylor]: Taking taylor expansion of 1.0 in y 0.121 * [taylor]: Taking taylor expansion of x in y 0.121 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in x 0.121 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x 0.121 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.121 * [taylor]: Taking taylor expansion of y in x 0.121 * [taylor]: Taking taylor expansion of 1.0 in x 0.121 * [taylor]: Taking taylor expansion of x in x 0.121 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) 1.0) x) in x 0.121 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x 0.121 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.121 * [taylor]: Taking taylor expansion of y in x 0.121 * [taylor]: Taking taylor expansion of 1.0 in x 0.121 * [taylor]: Taking taylor expansion of x in x 0.121 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y 0.121 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.121 * [taylor]: Taking taylor expansion of y in y 0.121 * [taylor]: Taking taylor expansion of 1.0 in y 0.121 * [taylor]: Taking taylor expansion of 0 in y 0.122 * [taylor]: Taking taylor expansion of 0 in y 0.122 * [taylor]: Taking taylor expansion of 0 in y 0.122 * [taylor]: Taking taylor expansion of 0 in y 0.122 * * * [progress]: simplifying candidates 0.123 * [simplify]: Simplifying using # : (* 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 y) (* x (neg 1.0)) (* y x) (* (neg 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)) 0.161 * * [simplify]: iteration 0 : 4941 enodes (cost 172 ) 0.161 * * [simplify]: iteration 1 : 4941 enodes (cost 172 ) 0.162 * [simplify]: Simplified to: (* x (- y 1.0)) (log (* x (- y 1.0))) (log (* x (- y 1.0))) (pow (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))) (* x y) (* x (neg 1.0)) (* x y) (* x (neg 1.0)) (* x (* (cbrt (- y 1.0)) (cbrt (- y 1.0)))) (* x (sqrt (- y 1.0))) x (* x (+ (sqrt y) (sqrt 1.0))) x (* (- y 1.0) (cbrt x)) (* (- y 1.0) (sqrt x)) (* x (- y 1.0)) (* x (- (pow y 3) (pow 1.0 3))) (* x (- (* y y) (* 1.0 1.0))) (* x (- y 1.0)) (* x (- y 1.0)) (* x (- y 1.0)) 0.162 * * * [progress]: adding candidates to table 0.191 * * [progress]: iteration 2 / 4 0.191 * * * [progress]: picking best candidate 0.194 * * * * [pick]: Picked # 0.194 * * * [progress]: localizing error 0.202 * * * [progress]: generating rewritten candidates 0.202 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1) 0.206 * * * [progress]: generating series expansions 0.206 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1) 0.206 * [approximate]: Taking taylor expansion of (- (* x y) (* 1.0 x)) in (x y) around 0 0.206 * [taylor]: Taking taylor expansion of (- (* x y) (* 1.0 x)) in y 0.206 * [taylor]: Taking taylor expansion of (* x y) in y 0.206 * [taylor]: Taking taylor expansion of x in y 0.207 * [taylor]: Taking taylor expansion of y in y 0.207 * [taylor]: Taking taylor expansion of (* 1.0 x) in y 0.207 * [taylor]: Taking taylor expansion of 1.0 in y 0.207 * [taylor]: Taking taylor expansion of x in y 0.207 * [taylor]: Taking taylor expansion of (- (* x y) (* 1.0 x)) in x 0.207 * [taylor]: Taking taylor expansion of (* x y) in x 0.207 * [taylor]: Taking taylor expansion of x in x 0.207 * [taylor]: Taking taylor expansion of y in x 0.207 * [taylor]: Taking taylor expansion of (* 1.0 x) in x 0.207 * [taylor]: Taking taylor expansion of 1.0 in x 0.207 * [taylor]: Taking taylor expansion of x in x 0.207 * [taylor]: Taking taylor expansion of (- (* x y) (* 1.0 x)) in x 0.207 * [taylor]: Taking taylor expansion of (* x y) in x 0.207 * [taylor]: Taking taylor expansion of x in x 0.207 * [taylor]: Taking taylor expansion of y in x 0.207 * [taylor]: Taking taylor expansion of (* 1.0 x) in x 0.207 * [taylor]: Taking taylor expansion of 1.0 in x 0.207 * [taylor]: Taking taylor expansion of x in x 0.207 * [taylor]: Taking taylor expansion of 0 in y 0.207 * [taylor]: Taking taylor expansion of (- y 1.0) in y 0.207 * [taylor]: Taking taylor expansion of y in y 0.207 * [taylor]: Taking taylor expansion of 1.0 in y 0.207 * [taylor]: Taking taylor expansion of 0 in y 0.207 * [taylor]: Taking taylor expansion of 0 in y 0.207 * [taylor]: Taking taylor expansion of 0 in y 0.208 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1.0 (/ 1 x))) in (x y) around 0 0.208 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1.0 (/ 1 x))) in y 0.208 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y 0.208 * [taylor]: Taking taylor expansion of (* x y) in y 0.208 * [taylor]: Taking taylor expansion of x in y 0.208 * [taylor]: Taking taylor expansion of y in y 0.208 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y 0.208 * [taylor]: Taking taylor expansion of 1.0 in y 0.208 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.208 * [taylor]: Taking taylor expansion of x in y 0.208 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1.0 (/ 1 x))) in x 0.208 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.208 * [taylor]: Taking taylor expansion of (* x y) in x 0.208 * [taylor]: Taking taylor expansion of x in x 0.208 * [taylor]: Taking taylor expansion of y in x 0.208 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x 0.208 * [taylor]: Taking taylor expansion of 1.0 in x 0.208 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.208 * [taylor]: Taking taylor expansion of x in x 0.208 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 1.0 (/ 1 x))) in x 0.208 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.208 * [taylor]: Taking taylor expansion of (* x y) in x 0.208 * [taylor]: Taking taylor expansion of x in x 0.208 * [taylor]: Taking taylor expansion of y in x 0.208 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x 0.208 * [taylor]: Taking taylor expansion of 1.0 in x 0.208 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.208 * [taylor]: Taking taylor expansion of x in x 0.208 * [taylor]: Taking taylor expansion of (- (/ 1 y) 1.0) in y 0.208 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.208 * [taylor]: Taking taylor expansion of y in y 0.208 * [taylor]: Taking taylor expansion of 1.0 in y 0.209 * [taylor]: Taking taylor expansion of 0 in y 0.209 * [taylor]: Taking taylor expansion of 0 in y 0.209 * [taylor]: Taking taylor expansion of 0 in y 0.210 * [taylor]: Taking taylor expansion of 0 in y 0.210 * [approximate]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (/ 1 (* x y))) in (x y) around 0 0.210 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (/ 1 (* x y))) in y 0.210 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in y 0.210 * [taylor]: Taking taylor expansion of 1.0 in y 0.210 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.210 * [taylor]: Taking taylor expansion of x in y 0.210 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y 0.210 * [taylor]: Taking taylor expansion of (* x y) in y 0.210 * [taylor]: Taking taylor expansion of x in y 0.210 * [taylor]: Taking taylor expansion of y in y 0.210 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (/ 1 (* x y))) in x 0.210 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x 0.210 * [taylor]: Taking taylor expansion of 1.0 in x 0.210 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.210 * [taylor]: Taking taylor expansion of x in x 0.210 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.210 * [taylor]: Taking taylor expansion of (* x y) in x 0.210 * [taylor]: Taking taylor expansion of x in x 0.210 * [taylor]: Taking taylor expansion of y in x 0.210 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 x)) (/ 1 (* x y))) in x 0.210 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x 0.210 * [taylor]: Taking taylor expansion of 1.0 in x 0.210 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.210 * [taylor]: Taking taylor expansion of x in x 0.210 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.210 * [taylor]: Taking taylor expansion of (* x y) in x 0.210 * [taylor]: Taking taylor expansion of x in x 0.210 * [taylor]: Taking taylor expansion of y in x 0.211 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y 0.211 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.211 * [taylor]: Taking taylor expansion of y in y 0.211 * [taylor]: Taking taylor expansion of 1.0 in y 0.211 * [taylor]: Taking taylor expansion of 0 in y 0.211 * [taylor]: Taking taylor expansion of 0 in y 0.211 * [taylor]: Taking taylor expansion of 0 in y 0.212 * [taylor]: Taking taylor expansion of 0 in y 0.212 * * * [progress]: simplifying candidates 0.212 * [simplify]: Simplifying using # : (* (exp (* x y)) (exp (* x (neg 1.0)))) (log (+ (* x y) (* x (neg 1.0)))) (exp (+ (* x y) (* x (neg 1.0)))) (* (cbrt (+ (* x y) (* x (neg 1.0)))) (cbrt (+ (* x y) (* x (neg 1.0))))) (cbrt (+ (* x y) (* x (neg 1.0)))) (* (* (+ (* x y) (* x (neg 1.0))) (+ (* x y) (* x (neg 1.0)))) (+ (* x y) (* x (neg 1.0)))) (sqrt (+ (* x y) (* x (neg 1.0)))) (sqrt (+ (* x y) (* x (neg 1.0)))) (+ (pow (* x y) 3) (pow (* x (neg 1.0)) 3)) (+ (* (* x y) (* x y)) (- (* (* x (neg 1.0)) (* x (neg 1.0))) (* (* x y) (* x (neg 1.0))))) (- (* (* x y) (* x y)) (* (* x (neg 1.0)) (* x (neg 1.0)))) (- (* x y) (* x (neg 1.0))) (+ y (neg 1.0)) (- (* x y) (* 1.0 x)) (- (* x y) (* 1.0 x)) (- (* x y) (* 1.0 x)) 0.260 * * [simplify]: iteration 0 : 5170 enodes (cost 116 ) 0.260 * [simplify]: Simplified to: (pow (exp x) (- y 1.0)) (log (* x (- y 1.0))) (pow (exp x) (- y 1.0)) (* (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))) (- (pow (* x y) 3) (pow (* x 1.0) 3)) (* x (+ (* x (* y y)) (* 1.0 (* x (+ y 1.0))))) (* x (* x (- (* y y) (* 1.0 1.0)))) (* x (+ y 1.0)) (- y 1.0) (* x (- y 1.0)) (* x (- y 1.0)) (* x (- y 1.0)) 0.261 * * * [progress]: adding candidates to table 0.280 * [progress]: [Phase 3 of 3] Extracting. 0.283 * [simplify]: Simplifying using # : (+ (- (+ (* x y) (* x (neg 1.0))) (* y 0.5)) 0.918938533204673) 0.284 * * [simplify]: iteration 0 : 65 enodes (cost 13 ) 0.284 * * [simplify]: iteration 1 : 65 enodes (cost 13 ) 0.284 * [simplify]: Simplified to: (+ (- (- (* x y) (* x 1.0)) (* y 0.5)) 0.918938533204673) 0.858 * [regime-testing]: End program error score: 0.009251156394549319