20.805 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.078 * * * [progress]: [2/2] Setting up program. 0.079 * [progress]: [Phase 2 of 3] Improving. 0.080 * [simplify]: Simplifying using # : (*.f64 2 (-.f64 (*.f64 x x) (*.f64 x y))) 0.109 * * [simplify]: iteration 0 : 365 enodes (cost 10 ) 0.109 * * [simplify]: iteration 1 : 365 enodes (cost 10 ) 0.110 * [simplify]: Simplified to: (*.f64 2 (*.f64 x (-.f64 x y))) 0.114 * * [progress]: iteration 1 / 4 0.114 * * * [progress]: picking best candidate 0.115 * * * * [pick]: Picked # 0.115 * * * [progress]: localizing error 0.121 * * * [progress]: generating rewritten candidates 0.121 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.129 * * * [progress]: generating series expansions 0.129 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.129 * [approximate]: Taking taylor expansion of (* 2 (- (pow x 2) (* x y))) in (x y) around 0 0.129 * [taylor]: Taking taylor expansion of (* 2 (- (pow x 2) (* x y))) in y 0.129 * [taylor]: Taking taylor expansion of 2 in y 0.129 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in y 0.129 * [taylor]: Taking taylor expansion of (pow x 2) in y 0.129 * [taylor]: Taking taylor expansion of x in y 0.129 * [taylor]: Taking taylor expansion of (* x y) in y 0.129 * [taylor]: Taking taylor expansion of x in y 0.129 * [taylor]: Taking taylor expansion of y in y 0.129 * [taylor]: Taking taylor expansion of (* 2 (- (pow x 2) (* x y))) in x 0.129 * [taylor]: Taking taylor expansion of 2 in x 0.129 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x 0.129 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.129 * [taylor]: Taking taylor expansion of x in x 0.129 * [taylor]: Taking taylor expansion of (* x y) in x 0.129 * [taylor]: Taking taylor expansion of x in x 0.129 * [taylor]: Taking taylor expansion of y in x 0.129 * [taylor]: Taking taylor expansion of (* 2 (- (pow x 2) (* x y))) in x 0.129 * [taylor]: Taking taylor expansion of 2 in x 0.129 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x 0.129 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.129 * [taylor]: Taking taylor expansion of x in x 0.129 * [taylor]: Taking taylor expansion of (* x y) in x 0.129 * [taylor]: Taking taylor expansion of x in x 0.129 * [taylor]: Taking taylor expansion of y in x 0.130 * [taylor]: Taking taylor expansion of 0 in y 0.130 * [taylor]: Taking taylor expansion of (neg (* 2 y)) in y 0.130 * [taylor]: Taking taylor expansion of (* 2 y) in y 0.130 * [taylor]: Taking taylor expansion of 2 in y 0.130 * [taylor]: Taking taylor expansion of y in y 0.130 * [taylor]: Taking taylor expansion of 2 in y 0.130 * [taylor]: Taking taylor expansion of 0 in y 0.130 * [taylor]: Taking taylor expansion of 0 in y 0.131 * [approximate]: Taking taylor expansion of (* 2 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in (x y) around 0 0.131 * [taylor]: Taking taylor expansion of (* 2 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in y 0.131 * [taylor]: Taking taylor expansion of 2 in y 0.131 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y 0.131 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y 0.131 * [taylor]: Taking taylor expansion of (pow x 2) in y 0.131 * [taylor]: Taking taylor expansion of x in y 0.131 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y 0.131 * [taylor]: Taking taylor expansion of (* x y) in y 0.131 * [taylor]: Taking taylor expansion of x in y 0.131 * [taylor]: Taking taylor expansion of y in y 0.131 * [taylor]: Taking taylor expansion of (* 2 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in x 0.131 * [taylor]: Taking taylor expansion of 2 in x 0.131 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x 0.131 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.131 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.131 * [taylor]: Taking taylor expansion of x in x 0.131 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.131 * [taylor]: Taking taylor expansion of (* x y) in x 0.131 * [taylor]: Taking taylor expansion of x in x 0.131 * [taylor]: Taking taylor expansion of y in x 0.131 * [taylor]: Taking taylor expansion of (* 2 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in x 0.131 * [taylor]: Taking taylor expansion of 2 in x 0.131 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x 0.131 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.131 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.131 * [taylor]: Taking taylor expansion of x in x 0.132 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.132 * [taylor]: Taking taylor expansion of (* x y) in x 0.132 * [taylor]: Taking taylor expansion of x in x 0.132 * [taylor]: Taking taylor expansion of y in x 0.132 * [taylor]: Taking taylor expansion of 2 in y 0.132 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 y))) in y 0.132 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y 0.132 * [taylor]: Taking taylor expansion of 2 in y 0.132 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.132 * [taylor]: Taking taylor expansion of y in y 0.132 * [taylor]: Taking taylor expansion of 0 in y 0.133 * [taylor]: Taking taylor expansion of 0 in y 0.133 * [taylor]: Taking taylor expansion of 0 in y 0.134 * [approximate]: Taking taylor expansion of (* 2 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in (x y) around 0 0.134 * [taylor]: Taking taylor expansion of (* 2 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in y 0.134 * [taylor]: Taking taylor expansion of 2 in y 0.134 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y 0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y 0.134 * [taylor]: Taking taylor expansion of (pow x 2) in y 0.134 * [taylor]: Taking taylor expansion of x in y 0.134 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y 0.134 * [taylor]: Taking taylor expansion of (* x y) in y 0.134 * [taylor]: Taking taylor expansion of x in y 0.134 * [taylor]: Taking taylor expansion of y in y 0.134 * [taylor]: Taking taylor expansion of (* 2 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in x 0.134 * [taylor]: Taking taylor expansion of 2 in x 0.134 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x 0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.134 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.134 * [taylor]: Taking taylor expansion of x in x 0.134 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.134 * [taylor]: Taking taylor expansion of (* x y) in x 0.134 * [taylor]: Taking taylor expansion of x in x 0.134 * [taylor]: Taking taylor expansion of y in x 0.134 * [taylor]: Taking taylor expansion of (* 2 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in x 0.134 * [taylor]: Taking taylor expansion of 2 in x 0.134 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x 0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.134 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.134 * [taylor]: Taking taylor expansion of x in x 0.134 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.134 * [taylor]: Taking taylor expansion of (* x y) in x 0.134 * [taylor]: Taking taylor expansion of x in x 0.134 * [taylor]: Taking taylor expansion of y in x 0.134 * [taylor]: Taking taylor expansion of 2 in y 0.135 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 y))) in y 0.135 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y 0.135 * [taylor]: Taking taylor expansion of 2 in y 0.135 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.135 * [taylor]: Taking taylor expansion of y in y 0.135 * [taylor]: Taking taylor expansion of 0 in y 0.135 * [taylor]: Taking taylor expansion of 0 in y 0.136 * [taylor]: Taking taylor expansion of 0 in y 0.136 * * * [progress]: simplifying candidates 0.137 * [simplify]: Simplifying using # : (*.f64 2 (-.f64 (*.f64 x x) (*.f64 x y))) (+.f64 (log.f64 2) (log.f64 (-.f64 (*.f64 x x) (*.f64 x y)))) (log.f64 (*.f64 2 (-.f64 (*.f64 x x) (*.f64 x y)))) (exp.f64 (*.f64 2 (-.f64 (*.f64 x x) (*.f64 x y)))) (*.f64 (*.f64 (*.f64 2 2) 2) (*.f64 (*.f64 (-.f64 (*.f64 x x) (*.f64 x y)) (-.f64 (*.f64 x x) (*.f64 x y))) (-.f64 (*.f64 x x) (*.f64 x y)))) (*.f64 (cbrt.f64 (*.f64 2 (-.f64 (*.f64 x x) (*.f64 x y)))) (cbrt.f64 (*.f64 2 (-.f64 (*.f64 x x) (*.f64 x y))))) (cbrt.f64 (*.f64 2 (-.f64 (*.f64 x x) (*.f64 x y)))) (*.f64 (*.f64 (*.f64 2 (-.f64 (*.f64 x x) (*.f64 x y))) (*.f64 2 (-.f64 (*.f64 x x) (*.f64 x y)))) (*.f64 2 (-.f64 (*.f64 x x) (*.f64 x y)))) (sqrt.f64 (*.f64 2 (-.f64 (*.f64 x x) (*.f64 x y)))) (sqrt.f64 (*.f64 2 (-.f64 (*.f64 x x) (*.f64 x y)))) (*.f64 (sqrt.f64 2) (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 x y)))) (*.f64 (sqrt.f64 2) (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 x y)))) (*.f64 2 (*.f64 x x)) (*.f64 2 (neg.f64 (*.f64 x y))) (*.f64 (*.f64 x x) 2) (*.f64 (neg.f64 (*.f64 x y)) 2) (*.f64 2 (*.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 x y))) (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 x y))))) (*.f64 2 (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 x y)))) (*.f64 2 1) (*.f64 2 x) (*.f64 (cbrt.f64 2) (-.f64 (*.f64 x x) (*.f64 x y))) (*.f64 (sqrt.f64 2) (-.f64 (*.f64 x x) (*.f64 x y))) (*.f64 2 (-.f64 (*.f64 x x) (*.f64 x y))) (*.f64 2 (-.f64 (pow.f64 (*.f64 x x) 3) (pow.f64 (*.f64 x y) 3))) (*.f64 2 (-.f64 (*.f64 (*.f64 x x) (*.f64 x x)) (*.f64 (*.f64 x y) (*.f64 x y)))) (-.f64 (*.f64 2 (pow.f64 x 2)) (*.f64 2 (*.f64 x y))) (-.f64 (*.f64 2 (pow.f64 x 2)) (*.f64 2 (*.f64 x y))) (-.f64 (*.f64 2 (pow.f64 x 2)) (*.f64 2 (*.f64 x y))) 0.194 * * [simplify]: iteration 0 : 4960 enodes (cost 329 ) 0.194 * * [simplify]: iteration 1 : 4960 enodes (cost 329 ) 0.196 * [simplify]: Simplified to: (*.f64 2 (*.f64 x (-.f64 x y))) (log.f64 (*.f64 2 (*.f64 x (-.f64 x y)))) (log.f64 (*.f64 2 (*.f64 x (-.f64 x y)))) (pow.f64 (exp.f64 2) (*.f64 x (-.f64 x y))) (*.f64 8 (pow.f64 (*.f64 x (-.f64 x y)) 3)) (*.f64 (cbrt.f64 (*.f64 2 (*.f64 x (-.f64 x y)))) (cbrt.f64 (*.f64 2 (*.f64 x (-.f64 x y))))) (cbrt.f64 (*.f64 2 (*.f64 x (-.f64 x y)))) (*.f64 8 (pow.f64 (*.f64 x (-.f64 x y)) 3)) (sqrt.f64 (*.f64 2 (*.f64 x (-.f64 x y)))) (sqrt.f64 (*.f64 2 (*.f64 x (-.f64 x y)))) (*.f64 (sqrt.f64 2) (sqrt.f64 (*.f64 x (-.f64 x y)))) (*.f64 (sqrt.f64 2) (sqrt.f64 (*.f64 x (-.f64 x y)))) (*.f64 2 (*.f64 x x)) (*.f64 x (*.f64 y -2)) (*.f64 2 (*.f64 x x)) (*.f64 x (*.f64 y -2)) (*.f64 2 (*.f64 (cbrt.f64 (*.f64 x (-.f64 x y))) (cbrt.f64 (*.f64 x (-.f64 x y))))) (*.f64 2 (sqrt.f64 (*.f64 x (-.f64 x y)))) 2 (*.f64 2 x) (*.f64 x (*.f64 (cbrt.f64 2) (-.f64 x y))) (*.f64 x (*.f64 (sqrt.f64 2) (-.f64 x y))) (*.f64 2 (*.f64 x (-.f64 x y))) (*.f64 2 (-.f64 (pow.f64 x 6) (pow.f64 (*.f64 x y) 3))) (*.f64 2 (-.f64 (pow.f64 x 4) (*.f64 (*.f64 x y) (*.f64 x y)))) (*.f64 2 (*.f64 x (-.f64 x y))) (*.f64 2 (*.f64 x (-.f64 x y))) (*.f64 2 (*.f64 x (-.f64 x y))) 0.197 * * * [progress]: adding candidates to table 0.213 * * [progress]: iteration 2 / 4 0.213 * * * [progress]: picking best candidate 0.215 * * * * [pick]: Picked # 0.215 * * * [progress]: localizing error 0.221 * * * [progress]: generating rewritten candidates 0.221 * * * [progress]: generating series expansions 0.221 * * * [progress]: simplifying candidates 0.222 * [simplify]: Simplifying using # : 0.234 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 0.234 * [simplify]: Simplified to: 0.234 * * * [progress]: adding candidates to table 0.234 * [progress]: [Phase 3 of 3] Extracting. 0.236 * [simplify]: Simplifying using # : (+.f64 (*.f64 2 (*.f64 x x)) (*.f64 x (*.f64 y -2))) 0.239 * * [simplify]: iteration 0 : 14 enodes (cost 16 ) 0.239 * * [simplify]: iteration 1 : 14 enodes (cost 16 ) 0.239 * [simplify]: Simplified to: (+.f64 (*.f64 2 (*.f64 x x)) (*.f64 x (*.f64 y -2))) 0.776 * [regime-testing]: End program error score: 0.026951489248746237 0.821 * [regime-testing]: Target error score: 0.008876109513689211