30.401 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.108 * * * [progress]: [2/2] Setting up program. 0.111 * [progress]: [Phase 2 of 3] Improving. 0.111 * [simplify]: Simplifying using # : (/ (+ x y) (* (* x 2.0) y)) 0.113 * * [simplify]: iteration 0 : 36 enodes (cost 9 ) 0.113 * * [simplify]: iteration 1 : 36 enodes (cost 9 ) 0.114 * [simplify]: Simplified to: (/ (+ x y) (* y (* x 2.0))) 0.116 * * [progress]: iteration 1 / 4 0.116 * * * [progress]: picking best candidate 0.118 * * * * [pick]: Picked # 0.118 * * * [progress]: localizing error 0.124 * * * [progress]: generating rewritten candidates 0.124 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.132 * * * [progress]: generating series expansions 0.132 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.132 * [approximate]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in (x y) around 0 0.132 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in y 0.132 * [taylor]: Taking taylor expansion of 0.5 in y 0.132 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in y 0.132 * [taylor]: Taking taylor expansion of (+ x y) in y 0.132 * [taylor]: Taking taylor expansion of x in y 0.132 * [taylor]: Taking taylor expansion of y in y 0.132 * [taylor]: Taking taylor expansion of (* x y) in y 0.132 * [taylor]: Taking taylor expansion of x in y 0.132 * [taylor]: Taking taylor expansion of y in y 0.133 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x 0.133 * [taylor]: Taking taylor expansion of 0.5 in x 0.133 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x 0.133 * [taylor]: Taking taylor expansion of (+ x y) in x 0.133 * [taylor]: Taking taylor expansion of x in x 0.133 * [taylor]: Taking taylor expansion of y in x 0.133 * [taylor]: Taking taylor expansion of (* x y) in x 0.133 * [taylor]: Taking taylor expansion of x in x 0.133 * [taylor]: Taking taylor expansion of y in x 0.133 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x 0.133 * [taylor]: Taking taylor expansion of 0.5 in x 0.133 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x 0.133 * [taylor]: Taking taylor expansion of (+ x y) in x 0.133 * [taylor]: Taking taylor expansion of x in x 0.133 * [taylor]: Taking taylor expansion of y in x 0.133 * [taylor]: Taking taylor expansion of (* x y) in x 0.133 * [taylor]: Taking taylor expansion of x in x 0.133 * [taylor]: Taking taylor expansion of y in x 0.133 * [taylor]: Taking taylor expansion of 0.5 in y 0.133 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.133 * [taylor]: Taking taylor expansion of 0.5 in y 0.133 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.133 * [taylor]: Taking taylor expansion of y in y 0.133 * [taylor]: Taking taylor expansion of 0 in y 0.134 * [taylor]: Taking taylor expansion of 0 in y 0.134 * [taylor]: Taking taylor expansion of 0 in y 0.134 * [approximate]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0 0.134 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y 0.134 * [taylor]: Taking taylor expansion of 0.5 in y 0.134 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y 0.134 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y 0.134 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.134 * [taylor]: Taking taylor expansion of y in y 0.134 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.134 * [taylor]: Taking taylor expansion of x in y 0.135 * [taylor]: Taking taylor expansion of (* y x) in y 0.135 * [taylor]: Taking taylor expansion of y in y 0.135 * [taylor]: Taking taylor expansion of x in y 0.135 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x 0.135 * [taylor]: Taking taylor expansion of 0.5 in x 0.135 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x 0.135 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x 0.135 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.135 * [taylor]: Taking taylor expansion of y in x 0.135 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.135 * [taylor]: Taking taylor expansion of x in x 0.135 * [taylor]: Taking taylor expansion of (* y x) in x 0.135 * [taylor]: Taking taylor expansion of y in x 0.135 * [taylor]: Taking taylor expansion of x in x 0.135 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x 0.135 * [taylor]: Taking taylor expansion of 0.5 in x 0.135 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x 0.135 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x 0.135 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.135 * [taylor]: Taking taylor expansion of y in x 0.135 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.135 * [taylor]: Taking taylor expansion of x in x 0.135 * [taylor]: Taking taylor expansion of (* y x) in x 0.135 * [taylor]: Taking taylor expansion of y in x 0.135 * [taylor]: Taking taylor expansion of x in x 0.135 * [taylor]: Taking taylor expansion of 0 in y 0.135 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.135 * [taylor]: Taking taylor expansion of 0.5 in y 0.135 * [taylor]: Taking taylor expansion of y in y 0.135 * [taylor]: Taking taylor expansion of 0.5 in y 0.136 * [taylor]: Taking taylor expansion of 0 in y 0.136 * [taylor]: Taking taylor expansion of 0 in y 0.137 * [taylor]: Taking taylor expansion of 0 in y 0.137 * [approximate]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0 0.137 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y 0.137 * [taylor]: Taking taylor expansion of -0.5 in y 0.137 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y 0.137 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y 0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.137 * [taylor]: Taking taylor expansion of y in y 0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.137 * [taylor]: Taking taylor expansion of x in y 0.137 * [taylor]: Taking taylor expansion of (* y x) in y 0.137 * [taylor]: Taking taylor expansion of y in y 0.137 * [taylor]: Taking taylor expansion of x in y 0.137 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x 0.137 * [taylor]: Taking taylor expansion of -0.5 in x 0.137 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x 0.137 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x 0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.137 * [taylor]: Taking taylor expansion of y in x 0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.137 * [taylor]: Taking taylor expansion of x in x 0.137 * [taylor]: Taking taylor expansion of (* y x) in x 0.137 * [taylor]: Taking taylor expansion of y in x 0.137 * [taylor]: Taking taylor expansion of x in x 0.137 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x 0.137 * [taylor]: Taking taylor expansion of -0.5 in x 0.137 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x 0.137 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x 0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.137 * [taylor]: Taking taylor expansion of y in x 0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.137 * [taylor]: Taking taylor expansion of x in x 0.137 * [taylor]: Taking taylor expansion of (* y x) in x 0.137 * [taylor]: Taking taylor expansion of y in x 0.137 * [taylor]: Taking taylor expansion of x in x 0.138 * [taylor]: Taking taylor expansion of 0 in y 0.138 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y 0.138 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.138 * [taylor]: Taking taylor expansion of 0.5 in y 0.138 * [taylor]: Taking taylor expansion of y in y 0.138 * [taylor]: Taking taylor expansion of (neg 0.5) in y 0.138 * [taylor]: Taking taylor expansion of 0.5 in y 0.138 * [taylor]: Taking taylor expansion of 0 in y 0.139 * [taylor]: Taking taylor expansion of 0 in y 0.139 * [taylor]: Taking taylor expansion of 0 in y 0.139 * * * [progress]: simplifying candidates 0.140 * [simplify]: Simplifying using # : (- (log (+ x y)) (+ (+ (log x) (log 2.0)) (log y))) (- (log (+ x y)) (+ (log (* x 2.0)) (log y))) (- (log (+ x y)) (log (* (* x 2.0) y))) (log (/ (+ x y) (* (* x 2.0) y))) (exp (/ (+ x y) (* (* x 2.0) y))) (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* y y) y))) (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* y y) y))) (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* (* x 2.0) y) (* (* x 2.0) y)) (* (* x 2.0) y))) (* (cbrt (/ (+ x y) (* (* x 2.0) y))) (cbrt (/ (+ x y) (* (* x 2.0) y)))) (cbrt (/ (+ x y) (* (* x 2.0) y))) (* (* (/ (+ x y) (* (* x 2.0) y)) (/ (+ x y) (* (* x 2.0) y))) (/ (+ x y) (* (* x 2.0) y))) (sqrt (/ (+ x y) (* (* x 2.0) y))) (sqrt (/ (+ x y) (* (* x 2.0) y))) (neg (+ x y)) (neg (* (* x 2.0) y)) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* x 2.0)) (/ (cbrt (+ x y)) y) (/ (sqrt (+ x y)) (* x 2.0)) (/ (sqrt (+ x y)) y) (/ 1 (* x 2.0)) (/ (+ x y) y) (/ 1 (* x 2.0)) (/ (+ x y) y) (/ 1 (* (* x 2.0) y)) (/ (* (* x 2.0) y) (+ x y)) (/ (+ x y) (* x 2.0)) (/ (* (* x 2.0) y) (cbrt (+ x y))) (/ (* (* x 2.0) y) (sqrt (+ x y))) (/ (* (* x 2.0) y) (+ x y)) (/ (* (* x 2.0) y) (+ x y)) (* (* (* x 2.0) y) (+ (* x x) (- (* y y) (* x y)))) (* (* (* x 2.0) y) (- x y)) (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) 0.167 * * [simplify]: iteration 0 : 5438 enodes (cost 314 ) 0.169 * [simplify]: Simplified to: (log (/ (+ x y) (* y (* x 2.0)))) (log (/ (+ x y) (* y (* x 2.0)))) (log (/ (+ x y) (* y (* x 2.0)))) (log (/ (+ x y) (* y (* x 2.0)))) (exp (/ (+ x y) (* y (* x 2.0)))) (pow (/ (+ x y) (* y (* x 2.0))) 3) (pow (/ (+ x y) (* y (* x 2.0))) 3) (pow (/ (+ x y) (* y (* x 2.0))) 3) (* (cbrt (/ (+ x y) (* y (* x 2.0)))) (cbrt (/ (+ x y) (* y (* x 2.0))))) (cbrt (/ (+ x y) (* y (* x 2.0)))) (pow (/ (+ x y) (* y (* x 2.0))) 3) (sqrt (/ (+ x y) (* y (* x 2.0)))) (sqrt (/ (+ x y) (* y (* x 2.0)))) (neg (+ x y)) (neg (* y (* x 2.0))) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* x 2.0)) (/ (cbrt (+ x y)) y) (/ (sqrt (+ x y)) (* x 2.0)) (/ (sqrt (+ x y)) y) (/ 1 (* x 2.0)) (/ (+ x y) y) (/ 1 (* x 2.0)) (/ (+ x y) y) (/ 1 (* y (* x 2.0))) (/ (* x 2.0) (/ (+ x y) y)) (/ (+ x y) (* x 2.0)) (/ (* x 2.0) (/ (cbrt (+ x y)) y)) (/ y (/ (sqrt (+ x y)) (* x 2.0))) (/ (* x 2.0) (/ (+ x y) y)) (/ (* x 2.0) (/ (+ x y) y)) (* (* y (* x 2.0)) (+ (* x x) (* y (- y x)))) (* (* y (* x 2.0)) (- x y)) (+ (/ 0.5 y) (/ 0.5 x)) (+ (/ 0.5 y) (/ 0.5 x)) (+ (/ 0.5 y) (/ 0.5 x)) 0.169 * * * [progress]: adding candidates to table 0.215 * * [progress]: iteration 2 / 4 0.215 * * * [progress]: picking best candidate 0.217 * * * * [pick]: Picked # 0.217 * * * [progress]: localizing error 0.222 * * * [progress]: generating rewritten candidates 0.222 * * * [progress]: generating series expansions 0.222 * * * [progress]: simplifying candidates 0.222 * [simplify]: Simplifying using # : 0.224 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 0.224 * [simplify]: Simplified to: 0.224 * * * [progress]: adding candidates to table 0.225 * [progress]: [Phase 3 of 3] Extracting. 0.227 * [simplify]: Simplifying using # : (+ (/ 0.5 y) (/ 0.5 x)) 0.227 * * [simplify]: iteration 0 : 7 enodes (cost 7 ) 0.227 * * [simplify]: iteration 1 : 7 enodes (cost 7 ) 0.228 * [simplify]: Simplified to: (+ (/ 0.5 y) (/ 0.5 x)) 0.751 * [regime-testing]: End program error score: 0.012251531441430178 0.815 * [regime-testing]: Target error score: 0.012251531441430178