24.666 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.027 * * * [progress]: [2/2] Setting up program.
0.029 * [progress]: [Phase 2 of 3] Improving.
0.029 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
0.092 * * [simplify]: iteration  0 :  5011  enodes  (cost  19 )
0.093 * [simplify]: Simplified to:
   (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
0.100 * * [progress]: iteration 1 / 4
0.100 * * * [progress]: picking best candidate
0.101 * * * * [pick]: Picked  #<alt (λ (x y) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))>
0.101 * * * [progress]: localizing error
0.109 * * * [progress]: generating rewritten candidates
0.109 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.119 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.124 * * * [progress]: generating series expansions
0.124 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.124 * [approximate]: Taking taylor expansion of (/ (- (pow x 2) (* 4 (pow y 2))) (+ (pow x 2) (* 4 (pow y 2)))) in (x y) around 0
0.124 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4 (pow y 2))) (+ (pow x 2) (* 4 (pow y 2)))) in y
0.124 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in y
0.124 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.125 * [taylor]: Taking taylor expansion of x in y
0.125 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in y
0.125 * [taylor]: Taking taylor expansion of 4 in y
0.125 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.125 * [taylor]: Taking taylor expansion of y in y
0.125 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4 (pow y 2))) in y
0.125 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.125 * [taylor]: Taking taylor expansion of x in y
0.125 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in y
0.125 * [taylor]: Taking taylor expansion of 4 in y
0.125 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.125 * [taylor]: Taking taylor expansion of y in y
0.125 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4 (pow y 2))) (+ (pow x 2) (* 4 (pow y 2)))) in x
0.125 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in x
0.125 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.125 * [taylor]: Taking taylor expansion of x in x
0.125 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in x
0.125 * [taylor]: Taking taylor expansion of 4 in x
0.125 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.125 * [taylor]: Taking taylor expansion of y in x
0.125 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4 (pow y 2))) in x
0.125 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.125 * [taylor]: Taking taylor expansion of x in x
0.125 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in x
0.125 * [taylor]: Taking taylor expansion of 4 in x
0.125 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.125 * [taylor]: Taking taylor expansion of y in x
0.126 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4 (pow y 2))) (+ (pow x 2) (* 4 (pow y 2)))) in x
0.126 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in x
0.126 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.126 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in x
0.126 * [taylor]: Taking taylor expansion of 4 in x
0.126 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.126 * [taylor]: Taking taylor expansion of y in x
0.126 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4 (pow y 2))) in x
0.126 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.126 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in x
0.126 * [taylor]: Taking taylor expansion of 4 in x
0.126 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.126 * [taylor]: Taking taylor expansion of y in x
0.127 * [taylor]: Taking taylor expansion of -1 in y
0.127 * [taylor]: Taking taylor expansion of 0 in y
0.128 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow y 2))) in y
0.128 * [taylor]: Taking taylor expansion of 1/2 in y
0.128 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.128 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.128 * [taylor]: Taking taylor expansion of y in y
0.129 * [taylor]: Taking taylor expansion of 0 in y
0.129 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2))))) in (x y) around 0
0.129 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2))))) in y
0.129 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in y
0.129 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) 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 (* 4 (/ 1 (pow y 2))) in y
0.129 * [taylor]: Taking taylor expansion of 4 in y
0.129 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.129 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.129 * [taylor]: Taking taylor expansion of y in y
0.129 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in y
0.129 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.129 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.129 * [taylor]: Taking taylor expansion of x in y
0.130 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in y
0.130 * [taylor]: Taking taylor expansion of 4 in y
0.130 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.130 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.130 * [taylor]: Taking taylor expansion of y in y
0.130 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2))))) in x
0.130 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.130 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.130 * [taylor]: Taking taylor expansion of x in x
0.130 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.130 * [taylor]: Taking taylor expansion of 4 in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.130 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.130 * [taylor]: Taking taylor expansion of y in x
0.130 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.130 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.130 * [taylor]: Taking taylor expansion of x in x
0.130 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.130 * [taylor]: Taking taylor expansion of 4 in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.130 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.130 * [taylor]: Taking taylor expansion of y in x
0.130 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2))))) in x
0.130 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.130 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.130 * [taylor]: Taking taylor expansion of x in x
0.130 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.130 * [taylor]: Taking taylor expansion of 4 in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.130 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.130 * [taylor]: Taking taylor expansion of y in x
0.131 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) 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 (* 4 (/ 1 (pow y 2))) in x
0.131 * [taylor]: Taking taylor expansion of 4 in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.131 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.131 * [taylor]: Taking taylor expansion of y in x
0.131 * [taylor]: Taking taylor expansion of 1 in y
0.131 * [taylor]: Taking taylor expansion of 0 in y
0.132 * [taylor]: Taking taylor expansion of (neg (* 8 (/ 1 (pow y 2)))) in y
0.132 * [taylor]: Taking taylor expansion of (* 8 (/ 1 (pow y 2))) in y
0.132 * [taylor]: Taking taylor expansion of 8 in y
0.132 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.132 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.132 * [taylor]: Taking taylor expansion of y in y
0.133 * [taylor]: Taking taylor expansion of 0 in y
0.133 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2))))) in (x y) around 0
0.133 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2))))) in y
0.133 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in y
0.133 * [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 (* 4 (/ 1 (pow y 2))) in y
0.134 * [taylor]: Taking taylor expansion of 4 in y
0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.134 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.134 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) 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 (* 4 (/ 1 (pow y 2))) in y
0.134 * [taylor]: Taking taylor expansion of 4 in y
0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.134 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.134 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2))))) in x
0.134 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) 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 (* 4 (/ 1 (pow y 2))) in x
0.134 * [taylor]: Taking taylor expansion of 4 in x
0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.134 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.134 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) 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 (* 4 (/ 1 (pow y 2))) in x
0.134 * [taylor]: Taking taylor expansion of 4 in x
0.134 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.134 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2))))) in x
0.135 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.135 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.135 * [taylor]: Taking taylor expansion of 4 in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.135 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.135 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.135 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.135 * [taylor]: Taking taylor expansion of 4 in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.135 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.135 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of 1 in y
0.135 * [taylor]: Taking taylor expansion of 0 in y
0.136 * [taylor]: Taking taylor expansion of (neg (* 8 (/ 1 (pow y 2)))) in y
0.136 * [taylor]: Taking taylor expansion of (* 8 (/ 1 (pow y 2))) in y
0.136 * [taylor]: Taking taylor expansion of 8 in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.136 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.136 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of 0 in y
0.137 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.138 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in (x y) around 0
0.138 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in y
0.138 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.138 * [taylor]: Taking taylor expansion of x in y
0.138 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in y
0.138 * [taylor]: Taking taylor expansion of 4 in y
0.138 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.138 * [taylor]: Taking taylor expansion of y in y
0.138 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in x
0.138 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in x
0.138 * [taylor]: Taking taylor expansion of 4 in x
0.138 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.138 * [taylor]: Taking taylor expansion of y in x
0.138 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in x
0.138 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in x
0.138 * [taylor]: Taking taylor expansion of 4 in x
0.138 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.138 * [taylor]: Taking taylor expansion of y in x
0.138 * [taylor]: Taking taylor expansion of (neg (* 4 (pow y 2))) in y
0.138 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in y
0.138 * [taylor]: Taking taylor expansion of 4 in y
0.138 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.138 * [taylor]: Taking taylor expansion of y in y
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.139 * [taylor]: Taking taylor expansion of 1 in y
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.140 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in (x y) around 0
0.140 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in y
0.140 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.140 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.140 * [taylor]: Taking taylor expansion of x in y
0.140 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in y
0.140 * [taylor]: Taking taylor expansion of 4 in y
0.140 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.140 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.140 * [taylor]: Taking taylor expansion of y in y
0.140 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.140 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.140 * [taylor]: Taking taylor expansion of 4 in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.140 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.140 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.140 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.140 * [taylor]: Taking taylor expansion of 4 in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.140 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.140 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of 1 in y
0.141 * [taylor]: Taking taylor expansion of 0 in y
0.141 * [taylor]: Taking taylor expansion of (neg (* 4 (/ 1 (pow y 2)))) in y
0.141 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in y
0.141 * [taylor]: Taking taylor expansion of 4 in y
0.141 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.141 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.141 * [taylor]: Taking taylor expansion of y in y
0.141 * [taylor]: Taking taylor expansion of 0 in y
0.143 * [taylor]: Taking taylor expansion of 0 in y
0.143 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in (x y) around 0
0.143 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in y
0.143 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.143 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.143 * [taylor]: Taking taylor expansion of x in y
0.143 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in y
0.143 * [taylor]: Taking taylor expansion of 4 in y
0.143 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.143 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.143 * [taylor]: Taking taylor expansion of y in y
0.143 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.143 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.144 * [taylor]: Taking taylor expansion of 4 in x
0.144 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.144 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.144 * [taylor]: Taking taylor expansion of y in x
0.144 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.144 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.144 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.144 * [taylor]: Taking taylor expansion of x in x
0.144 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.144 * [taylor]: Taking taylor expansion of 4 in x
0.144 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.144 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.144 * [taylor]: Taking taylor expansion of y in x
0.144 * [taylor]: Taking taylor expansion of 1 in y
0.144 * [taylor]: Taking taylor expansion of 0 in y
0.144 * [taylor]: Taking taylor expansion of (neg (* 4 (/ 1 (pow y 2)))) in y
0.144 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in y
0.144 * [taylor]: Taking taylor expansion of 4 in y
0.144 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.144 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.144 * [taylor]: Taking taylor expansion of y in y
0.145 * [taylor]: Taking taylor expansion of 0 in y
0.146 * [taylor]: Taking taylor expansion of 0 in y
0.146 * * * [progress]: simplifying candidates
0.147 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (-.f64 (log.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (log.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (log.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (exp.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (/.f64 (*.f64 (*.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (*.f64 (*.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (*.f64 (cbrt.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))) (cbrt.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))))
  (cbrt.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (*.f64 (*.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (sqrt.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (sqrt.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (neg.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (neg.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (/.f64 (*.f64 x x) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (/.f64 (*.f64 (*.f64 y 4) y) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (/.f64 (*.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))) (*.f64 (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))))
  (/.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (/.f64 (*.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))) (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (/.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (/.f64 (*.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))) 1)
  (/.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (/.f64 (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (*.f64 (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))))
  (/.f64 (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (/.f64 (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (/.f64 (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (/.f64 (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) 1)
  (/.f64 (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (/.f64 1 (*.f64 (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))))
  (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (/.f64 1 (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (/.f64 1 1)
  (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (/.f64 1 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (/.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (*.f64 (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))))
  (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) 1)
  (/.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (/.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (/.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (pow.f64 (*.f64 x x) 3) (pow.f64 (*.f64 (*.f64 y 4) y) 3)))
  (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (-.f64 (*.f64 (*.f64 x x) (*.f64 x x)) (*.f64 (*.f64 (*.f64 y 4) y) (*.f64 (*.f64 y 4) y))))
  (*.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 (*.f64 x x) (*.f64 x x)) (+.f64 (*.f64 (*.f64 (*.f64 y 4) y) (*.f64 (*.f64 y 4) y)) (*.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))))
  (*.f64 (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (/.f64 (exp.f64 (*.f64 x x)) (exp.f64 (*.f64 (*.f64 y 4) y)))
  (log.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (exp.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (*.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (*.f64 (*.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)))
  (-.f64 (pow.f64 (*.f64 x x) 3) (pow.f64 (*.f64 (*.f64 y 4) y) 3))
  (+.f64 (*.f64 (*.f64 x x) (*.f64 x x)) (+.f64 (*.f64 (*.f64 (*.f64 y 4) y) (*.f64 (*.f64 y 4) y)) (*.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))
  (neg.f64 (*.f64 (*.f64 y 4) y))
  (-.f64 (*.f64 (*.f64 x x) (*.f64 x x)) (*.f64 (*.f64 (*.f64 y 4) y) (*.f64 (*.f64 y 4) y)))
  (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))
  -1
  1
  1
  (-.f64 (pow.f64 x 2) (*.f64 4 (pow.f64 y 2)))
  (-.f64 (pow.f64 x 2) (*.f64 4 (pow.f64 y 2)))
  (-.f64 (pow.f64 x 2) (*.f64 4 (pow.f64 y 2)))
0.180 * * [simplify]: iteration  0 :  5434  enodes  (cost  1027 )
0.184 * [simplify]: Simplified to:
   (log.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (log.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (exp.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (pow.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) 3)
  (*.f64 (cbrt.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))) (cbrt.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))))
  (cbrt.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (pow.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) 3)
  (sqrt.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (sqrt.f64 (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (-.f64 (*.f64 y (*.f64 y 4)) (*.f64 x x))
  (-.f64 (*.f64 (*.f64 y y) -4) (*.f64 x x))
  (/.f64 (*.f64 x x) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (/.f64 (*.f64 y (*.f64 y 4)) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (/.f64 (*.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))) (*.f64 (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))))
  (/.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (/.f64 (*.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))) (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (/.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (*.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (/.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (/.f64 (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (*.f64 (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))))
  (/.f64 (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (/.f64 (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (/.f64 (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (/.f64 (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (/.f64 1 (*.f64 (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))))
  (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (/.f64 1 (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  1
  (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (/.f64 1 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (/.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (*.f64 (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (cbrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))))
  (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (sqrt.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))
  (/.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (/.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (/.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (pow.f64 x 6) (*.f64 64 (pow.f64 y 6))))
  (/.f64 1 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (*.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (pow.f64 x 4) (*.f64 (*.f64 y (*.f64 y 4)) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))))
  (*.f64 (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (exp.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (log.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (exp.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (*.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (pow.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) 3)
  (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
  (-.f64 (pow.f64 x 6) (*.f64 64 (pow.f64 y 6)))
  (+.f64 (pow.f64 x 4) (*.f64 (*.f64 y (*.f64 y 4)) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))))
  (*.f64 (*.f64 y y) -4)
  (-.f64 (pow.f64 x 4) (*.f64 16 (pow.f64 y 4)))
  (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))
  -1
  1
  1
  (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))
  (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))
  (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))
0.184 * * * [progress]: adding candidates to table
0.221 * * [progress]: iteration 2 / 4
0.221 * * * [progress]: picking best candidate
0.223 * * * * [pick]: Picked  #<alt (λ (x y) -1)>
0.223 * * * [progress]: localizing error
0.224 * * * [progress]: generating rewritten candidates
0.224 * * * [progress]: generating series expansions
0.224 * * * [progress]: simplifying candidates
0.224 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.229 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.229 * [simplify]: Simplified to:
   
0.229 * * * [progress]: adding candidates to table
0.229 * * [progress]: iteration 3 / 4
0.229 * * * [progress]: picking best candidate
0.231 * * * * [pick]: Picked  #<alt (λ (x y) 1)>
0.231 * * * [progress]: localizing error
0.231 * * * [progress]: generating rewritten candidates
0.231 * * * [progress]: generating series expansions
0.231 * * * [progress]: simplifying candidates
0.231 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.236 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.236 * [simplify]: Simplified to:
   
0.236 * * * [progress]: adding candidates to table
0.236 * [progress]: [Phase 3 of 3] Extracting.
0.236 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) -1)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))>)
0.237 * * * [regime-changes]: Trying 5 branch expressions: ((*.f64 (*.f64 y 4) y) (*.f64 x x) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) y x)
0.237 * * * * [regimes]: Trying to branch on (*.f64 (*.f64 y 4) y) from (#<alt (λ (x y) -1)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))>)
0.285 * * * * [regimes]: Trying to branch on (*.f64 x x) from (#<alt (λ (x y) -1)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))>)
0.319 * * * * [regimes]: Trying to branch on (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) from (#<alt (λ (x y) -1)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))>)
0.340 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) -1)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))>)
0.378 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) -1)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))>)
0.421 * * * [regime]: Found split indices: #<option (#s(si 0 99) #s(si 2 119) #s(si 0 126) #s(si 2 170) #s(si 1 255))>
0.421 * [binary-search]: Improving bounds with binary search for (*.f64 x x) and (#<alt (λ (x y) -1)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))>)
0.463 * [regimes]: Found splitpoints: (#s(sp 0 (*.f64 x x) 2.9058704324939004e-107) #s(sp 2 (*.f64 x x) 2.810919228514906e-40) #s(sp 0 (*.f64 x x) 6.117254844660804e-16) #s(sp 2 (*.f64 x x) 1.2586926368521745e+237) #s(sp 1 (*.f64 x x) +nan.0)) , with alts (#<alt (λ (x y) -1)> #<alt (λ (x y) 1)> #<alt (λ (x y) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))))>)
0.463 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<=.f64 (*.f64 x x) 2.9058704324939004e-107) -1 (if (<=.f64 (*.f64 x x) 2.810919228514906e-40) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (if (<=.f64 (*.f64 x x) 6.117254844660804e-16) -1 (if (<=.f64 (*.f64 x x) 1.2586926368521745e+237) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) 1))))
0.465 * * [simplify]: iteration  0 :  61  enodes  (cost  65 )
0.465 * * [simplify]: iteration  1 :  61  enodes  (cost  65 )
0.466 * [simplify]: Simplified to:
   (if (<=.f64 (*.f64 x x) 2.9058704324939004e-107) -1 (if (<=.f64 (*.f64 x x) 2.810919228514906e-40) (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (if (<=.f64 (*.f64 x x) 6.117254844660804e-16) -1 (if (<=.f64 (*.f64 x x) 1.2586926368521745e+237) (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) 1))))
1.149 * [regime-testing]: End program error score: 13.039725689450353
1.221 * [regime-testing]: Target error score: 31.40436404483152