16.292 * [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.
0.030 * [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)))
0.145 * * [simplify]: iteration  0 :  5013  enodes  (cost  28 )
0.146 * [simplify]: Simplified to:
   (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))))
0.148 * * [progress]: iteration 1 / 4
0.148 * * * [progress]: picking best candidate
0.150 * * * * [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))))>
0.150 * * * [progress]: localizing error
0.157 * * * [progress]: generating rewritten candidates
0.157 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.171 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.176 * * * [progress]: generating series expansions
0.176 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.177 * [approximate]: Taking taylor expansion of (/ (- (pow x 2) (* 4 (pow y 2))) (+ (pow x 2) (* 4 (pow y 2)))) in (x y) around 0
0.177 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4 (pow y 2))) (+ (pow x 2) (* 4 (pow y 2)))) in y
0.177 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in y
0.177 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.177 * [taylor]: Taking taylor expansion of x in y
0.177 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in y
0.177 * [taylor]: Taking taylor expansion of 4 in y
0.177 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.177 * [taylor]: Taking taylor expansion of y in y
0.177 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4 (pow y 2))) in y
0.177 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.177 * [taylor]: Taking taylor expansion of x in y
0.177 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in y
0.177 * [taylor]: Taking taylor expansion of 4 in y
0.177 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.177 * [taylor]: Taking taylor expansion of y in y
0.177 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4 (pow y 2))) (+ (pow x 2) (* 4 (pow y 2)))) in x
0.177 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in x
0.177 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in x
0.177 * [taylor]: Taking taylor expansion of 4 in x
0.177 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.177 * [taylor]: Taking taylor expansion of y in x
0.177 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4 (pow y 2))) in x
0.177 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in x
0.177 * [taylor]: Taking taylor expansion of 4 in x
0.177 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.177 * [taylor]: Taking taylor expansion of y in x
0.178 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (* 4 (pow y 2))) (+ (pow x 2) (* 4 (pow y 2)))) in x
0.178 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in x
0.178 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.178 * [taylor]: Taking taylor expansion of x in x
0.178 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in x
0.178 * [taylor]: Taking taylor expansion of 4 in x
0.178 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.178 * [taylor]: Taking taylor expansion of y in x
0.178 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 4 (pow y 2))) in x
0.178 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.178 * [taylor]: Taking taylor expansion of x in x
0.178 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in x
0.178 * [taylor]: Taking taylor expansion of 4 in x
0.178 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.178 * [taylor]: Taking taylor expansion of y in x
0.179 * [taylor]: Taking taylor expansion of -1 in y
0.179 * [taylor]: Taking taylor expansion of 0 in y
0.180 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow y 2))) in y
0.180 * [taylor]: Taking taylor expansion of 1/2 in y
0.180 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.180 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.180 * [taylor]: Taking taylor expansion of y in y
0.181 * [taylor]: Taking taylor expansion of 0 in y
0.181 * [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
0.181 * [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
0.181 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in y
0.181 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.181 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.181 * [taylor]: Taking taylor expansion of x in y
0.182 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in y
0.182 * [taylor]: Taking taylor expansion of 4 in y
0.182 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.182 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.182 * [taylor]: Taking taylor expansion of y in y
0.182 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in y
0.182 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.182 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.182 * [taylor]: Taking taylor expansion of x in y
0.182 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in y
0.182 * [taylor]: Taking taylor expansion of 4 in y
0.182 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.182 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.182 * [taylor]: Taking taylor expansion of y in y
0.182 * [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
0.182 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.182 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.182 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.182 * [taylor]: Taking taylor expansion of x in x
0.182 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.182 * [taylor]: Taking taylor expansion of 4 in x
0.182 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.182 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.182 * [taylor]: Taking taylor expansion of y in x
0.182 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.182 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.182 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.182 * [taylor]: Taking taylor expansion of x in x
0.182 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.182 * [taylor]: Taking taylor expansion of 4 in x
0.182 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.182 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.182 * [taylor]: Taking taylor expansion of y in x
0.183 * [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
0.183 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.183 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.183 * [taylor]: Taking taylor expansion of 4 in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.183 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.183 * [taylor]: Taking taylor expansion of y in x
0.183 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.183 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.183 * [taylor]: Taking taylor expansion of 4 in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.183 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.183 * [taylor]: Taking taylor expansion of y in x
0.183 * [taylor]: Taking taylor expansion of 1 in y
0.183 * [taylor]: Taking taylor expansion of 0 in y
0.184 * [taylor]: Taking taylor expansion of (neg (* 8 (/ 1 (pow y 2)))) in y
0.184 * [taylor]: Taking taylor expansion of (* 8 (/ 1 (pow y 2))) in y
0.184 * [taylor]: Taking taylor expansion of 8 in y
0.184 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.184 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.184 * [taylor]: Taking taylor expansion of y in y
0.185 * [taylor]: Taking taylor expansion of 0 in y
0.186 * [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
0.186 * [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
0.186 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in y
0.186 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.186 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.186 * [taylor]: Taking taylor expansion of x in y
0.186 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in y
0.186 * [taylor]: Taking taylor expansion of 4 in y
0.186 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.186 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.186 * [taylor]: Taking taylor expansion of y in y
0.186 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in y
0.186 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.186 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.186 * [taylor]: Taking taylor expansion of x in y
0.186 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in y
0.186 * [taylor]: Taking taylor expansion of 4 in y
0.186 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.186 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.186 * [taylor]: Taking taylor expansion of y in y
0.187 * [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
0.187 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.187 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.187 * [taylor]: Taking taylor expansion of 4 in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.187 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.187 * [taylor]: Taking taylor expansion of y in x
0.187 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.187 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.187 * [taylor]: Taking taylor expansion of 4 in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.187 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.187 * [taylor]: Taking taylor expansion of y in x
0.187 * [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
0.187 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.187 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.187 * [taylor]: Taking taylor expansion of 4 in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.187 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.187 * [taylor]: Taking taylor expansion of y in x
0.187 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.187 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.188 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.188 * [taylor]: Taking taylor expansion of 4 in x
0.188 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.188 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.188 * [taylor]: Taking taylor expansion of y in x
0.188 * [taylor]: Taking taylor expansion of 1 in y
0.188 * [taylor]: Taking taylor expansion of 0 in y
0.189 * [taylor]: Taking taylor expansion of (neg (* 8 (/ 1 (pow y 2)))) in y
0.189 * [taylor]: Taking taylor expansion of (* 8 (/ 1 (pow y 2))) in y
0.189 * [taylor]: Taking taylor expansion of 8 in y
0.189 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.189 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.189 * [taylor]: Taking taylor expansion of y in y
0.190 * [taylor]: Taking taylor expansion of 0 in y
0.190 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.190 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in (x y) around 0
0.190 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in y
0.190 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.190 * [taylor]: Taking taylor expansion of x in y
0.190 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in y
0.190 * [taylor]: Taking taylor expansion of 4 in y
0.190 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.190 * [taylor]: Taking taylor expansion of y in y
0.190 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in x
0.190 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.190 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in x
0.190 * [taylor]: Taking taylor expansion of 4 in x
0.190 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.190 * [taylor]: Taking taylor expansion of y in x
0.191 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4 (pow y 2))) in x
0.191 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.191 * [taylor]: Taking taylor expansion of x in x
0.191 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in x
0.191 * [taylor]: Taking taylor expansion of 4 in x
0.191 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.191 * [taylor]: Taking taylor expansion of y in x
0.191 * [taylor]: Taking taylor expansion of (neg (* 4 (pow y 2))) in y
0.191 * [taylor]: Taking taylor expansion of (* 4 (pow y 2)) in y
0.191 * [taylor]: Taking taylor expansion of 4 in y
0.191 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.191 * [taylor]: Taking taylor expansion of y in y
0.191 * [taylor]: Taking taylor expansion of 0 in y
0.191 * [taylor]: Taking taylor expansion of 1 in y
0.192 * [taylor]: Taking taylor expansion of 0 in y
0.192 * [taylor]: Taking taylor expansion of 0 in y
0.192 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in (x y) around 0
0.192 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in y
0.192 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.192 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.192 * [taylor]: Taking taylor expansion of x in y
0.192 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in y
0.193 * [taylor]: Taking taylor expansion of 4 in y
0.193 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.193 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.193 * [taylor]: Taking taylor expansion of y in y
0.193 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.193 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.193 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.193 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.193 * [taylor]: Taking taylor expansion of 4 in x
0.193 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.193 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.193 * [taylor]: Taking taylor expansion of y in x
0.193 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.193 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.193 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.193 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.193 * [taylor]: Taking taylor expansion of 4 in x
0.193 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.193 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.193 * [taylor]: Taking taylor expansion of y in x
0.193 * [taylor]: Taking taylor expansion of 1 in y
0.193 * [taylor]: Taking taylor expansion of 0 in y
0.194 * [taylor]: Taking taylor expansion of (neg (* 4 (/ 1 (pow y 2)))) in y
0.194 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in y
0.194 * [taylor]: Taking taylor expansion of 4 in y
0.194 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.194 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.194 * [taylor]: Taking taylor expansion of y in y
0.194 * [taylor]: Taking taylor expansion of 0 in y
0.195 * [taylor]: Taking taylor expansion of 0 in y
0.195 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in (x y) around 0
0.196 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in y
0.196 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.196 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.196 * [taylor]: Taking taylor expansion of x in y
0.196 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in y
0.196 * [taylor]: Taking taylor expansion of 4 in y
0.196 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.196 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.196 * [taylor]: Taking taylor expansion of y in y
0.196 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.196 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.196 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.196 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.196 * [taylor]: Taking taylor expansion of 4 in x
0.196 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.196 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.196 * [taylor]: Taking taylor expansion of y in x
0.196 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4 (/ 1 (pow y 2)))) in x
0.196 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.196 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.196 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in x
0.196 * [taylor]: Taking taylor expansion of 4 in x
0.196 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.196 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.196 * [taylor]: Taking taylor expansion of y in x
0.197 * [taylor]: Taking taylor expansion of 1 in y
0.197 * [taylor]: Taking taylor expansion of 0 in y
0.197 * [taylor]: Taking taylor expansion of (neg (* 4 (/ 1 (pow y 2)))) in y
0.197 * [taylor]: Taking taylor expansion of (* 4 (/ 1 (pow y 2))) in y
0.197 * [taylor]: Taking taylor expansion of 4 in y
0.197 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.197 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.197 * [taylor]: Taking taylor expansion of y in y
0.198 * [taylor]: Taking taylor expansion of 0 in y
0.198 * [taylor]: Taking taylor expansion of 0 in y
0.199 * * * [progress]: simplifying candidates
0.199 * [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)))
0.255 * * [simplify]: iteration  0 :  5436  enodes  (cost  1535 )
0.262 * [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)))
0.263 * * * [progress]: adding candidates to table
0.302 * * [progress]: iteration 2 / 4
0.302 * * * [progress]: picking best candidate
0.305 * * * * [pick]: Picked  #<alt (λ (x y) -1)>
0.305 * * * [progress]: localizing error
0.306 * * * [progress]: generating rewritten candidates
0.306 * * * [progress]: generating series expansions
0.306 * * * [progress]: simplifying candidates
0.306 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.318 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.318 * [simplify]: Simplified to:
   
0.318 * * * [progress]: adding candidates to table
0.319 * * [progress]: iteration 3 / 4
0.319 * * * [progress]: picking best candidate
0.320 * * * * [pick]: Picked  #<alt (λ (x y) 1)>
0.320 * * * [progress]: localizing error
0.321 * * * [progress]: generating rewritten candidates
0.321 * * * [progress]: generating series expansions
0.321 * * * [progress]: simplifying candidates
0.321 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.334 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.335 * [simplify]: Simplified to:
   
0.335 * * * [progress]: adding candidates to table
0.335 * [progress]: [Phase 3 of 3] Extracting.
0.335 * * [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))))>)
0.336 * * * [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)
0.336 * * * * [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))))>)
0.362 * * * * [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))))>)
0.398 * * * * [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))))>)
0.422 * * * * [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))))>)
0.462 * * * * [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))))>)
0.505 * * * [regime]: Found split indices: #<option (#s(si 1 36) #s(si 2 89) #s(si 0 204) #s(si 2 214) #s(si 0 218) #s(si 1 255))>
0.505 * [binary-search]: Improving bounds with binary search for 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))))>)
0.570 * [regimes]: Found splitpoints: (#s(sp 1 x -9.176639587062072e+126) #s(sp 2 x -1.1078942387214006e-156) #s(sp 0 x 2.8925572567990346e+34) #s(sp 2 x 5.06138741049213e+85) #s(sp 0 x 5.713892186588795e+103) #s(sp 1 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))))>)
0.571 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<=.f64 x -9.176639587062072e+126) 1 (if (<=.f64 x -1.1078942387214006e-156) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (if (<=.f64 x 2.8925572567990346e+34) -1 (if (<=.f64 x 5.06138741049213e+85) (/.f64 (-.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y)) (+.f64 (*.f64 x x) (*.f64 (*.f64 y 4) y))) (if (<=.f64 x 5.713892186588795e+103) -1 1)))))
0.575 * * [simplify]: iteration  0 :  67  enodes  (cost  90 )
0.575 * * [simplify]: iteration  1 :  67  enodes  (cost  90 )
0.575 * [simplify]: Simplified to:
   (if (<=.f64 x -9.176639587062072e+126) 1 (if (<=.f64 x -1.1078942387214006e-156) (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (if (<=.f64 x 2.8925572567990346e+34) -1 (if (<=.f64 x 5.06138741049213e+85) (/.f64 (-.f64 (*.f64 x x) (*.f64 y (*.f64 y 4))) (+.f64 (*.f64 x x) (*.f64 y (*.f64 y 4)))) (if (<=.f64 x 5.713892186588795e+103) -1 1)))))
1.272 * [regime-testing]: End program error score: 13.482368663347177
1.344 * [regime-testing]: Target error score: 31.201888264392387