5.997 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.062 * * * [progress]: [2/2] Setting up program.
0.064 * [progress]: [Phase 2 of 3] Improving.
0.065 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.070 * * [simplify]: iteration  0 :  89  enodes  (cost  5 )
0.070 * * [simplify]: iteration  1 :  89  enodes  (cost  5 )
0.070 * [simplify]: Simplified to:
   (- x (* y y))
0.071 * * [progress]: iteration 1 / 4
0.071 * * * [progress]: picking best candidate
0.073 * * * * [pick]: Picked  #<alt (λ (x y) (- x (* y y)))>
0.073 * * * [progress]: localizing error
0.076 * * * [progress]: generating rewritten candidates
0.076 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.079 * * * [progress]: generating series expansions
0.079 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.080 * [approximate]: Taking taylor expansion of (- x (pow y 2)) in (x y) around 0
0.080 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [taylor]: Taking taylor expansion of (neg (pow y 2)) in y
0.080 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [taylor]: Taking taylor expansion of 1 in y
0.080 * [taylor]: Taking taylor expansion of 0 in y
0.080 * [taylor]: Taking taylor expansion of 0 in y
0.081 * [taylor]: Taking taylor expansion of 0 in y
0.081 * [approximate]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in (x y) around 0
0.081 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in y
0.081 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.081 * [taylor]: Taking taylor expansion of x in y
0.081 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.081 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.081 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.081 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of 1 in y
0.082 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.082 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.082 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [approximate]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in (x y) around 0
0.088 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in y
0.088 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in y
0.088 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.088 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.088 * [taylor]: Taking taylor expansion of y in y
0.088 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.088 * [taylor]: Taking taylor expansion of x in y
0.088 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.088 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.088 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.088 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.088 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of (neg 1) in y
0.088 * [taylor]: Taking taylor expansion of 1 in y
0.089 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.089 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.089 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.089 * [taylor]: Taking taylor expansion of y in y
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.090 * [taylor]: Taking taylor expansion of 0 in y
0.090 * [taylor]: Taking taylor expansion of 0 in y
0.091 * * * [progress]: simplifying candidates
0.091 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp x) (exp (* y y)))
  (log (- x (* y y)))
  (exp (- x (* y y)))
  (* (cbrt (- x (* y y))) (cbrt (- x (* y y))))
  (cbrt (- x (* y y)))
  (* (* (- x (* y y)) (- x (* y y))) (- x (* y y)))
  (sqrt (- x (* y y)))
  (sqrt (- x (* y y)))
  (- (pow x 3) (pow (* y y) 3))
  (+ (* x x) (+ (* (* y y) (* y y)) (* x (* y y))))
  (neg (* y y))
  (- (* x x) (* (* y y) (* y y)))
  (+ x (* y y))
  (+ (sqrt x) y)
  (- (sqrt x) y)
  (- x (pow y 2))
  (- x (pow y 2))
  (- x (pow y 2))
0.128 * * [simplify]: iteration  0 :  4939  enodes  (cost  113 )
0.128 * * [simplify]: iteration  1 :  4939  enodes  (cost  113 )
0.129 * [simplify]: Simplified to:
   (exp (- x (* y y)))
  (log (- x (* y y)))
  (exp (- x (* y y)))
  (* (cbrt (- x (* y y))) (cbrt (- x (* y y))))
  (cbrt (- x (* y y)))
  (pow (- x (* y y)) 3)
  (sqrt (- x (* y y)))
  (sqrt (- x (* y y)))
  (- (pow x 3) (pow y 6))
  (+ (pow y 4) (* x (+ x (* y y))))
  (* y (neg y))
  (- (* x x) (pow y 4))
  (+ x (* y y))
  (+ y (sqrt x))
  (- (sqrt x) y)
  (- x (* y y))
  (- x (* y y))
  (- x (* y y))
0.130 * * * [progress]: adding candidates to table
0.145 * * [progress]: iteration 2 / 4
0.145 * * * [progress]: picking best candidate
0.147 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ y (sqrt x)) (- (sqrt x) y)))>
0.147 * * * [progress]: localizing error
0.153 * * * [progress]: generating rewritten candidates
0.153 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.163 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.167 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.173 * * * [progress]: generating series expansions
0.173 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.173 * [approximate]: Taking taylor expansion of (* (+ (sqrt x) y) (- (sqrt x) y)) in (y x) around 0
0.173 * [taylor]: Taking taylor expansion of (* (+ (sqrt x) y) (- (sqrt x) y)) in x
0.173 * [taylor]: Taking taylor expansion of (+ (sqrt x) y) in x
0.173 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.173 * [taylor]: Taking taylor expansion of x in x
0.173 * [taylor]: Taking taylor expansion of y in x
0.173 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in x
0.173 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.173 * [taylor]: Taking taylor expansion of x in x
0.173 * [taylor]: Taking taylor expansion of y in x
0.173 * [taylor]: Taking taylor expansion of (* (+ (sqrt x) y) (- (sqrt x) y)) in y
0.173 * [taylor]: Taking taylor expansion of (+ (sqrt x) y) in y
0.173 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.173 * [taylor]: Taking taylor expansion of x in y
0.173 * [taylor]: Taking taylor expansion of y in y
0.173 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in y
0.173 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.173 * [taylor]: Taking taylor expansion of x in y
0.173 * [taylor]: Taking taylor expansion of y in y
0.173 * [taylor]: Taking taylor expansion of (* (+ (sqrt x) y) (- (sqrt x) y)) in y
0.173 * [taylor]: Taking taylor expansion of (+ (sqrt x) y) in y
0.173 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.173 * [taylor]: Taking taylor expansion of x in y
0.174 * [taylor]: Taking taylor expansion of y in y
0.174 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in y
0.174 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.174 * [taylor]: Taking taylor expansion of x in y
0.174 * [taylor]: Taking taylor expansion of y in y
0.174 * [taylor]: Taking taylor expansion of x in x
0.174 * [taylor]: Taking taylor expansion of 0 in x
0.174 * [taylor]: Taking taylor expansion of (neg 1) in x
0.174 * [taylor]: Taking taylor expansion of 1 in x
0.174 * [taylor]: Taking taylor expansion of 0 in x
0.175 * [approximate]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in (y x) around 0
0.175 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in x
0.175 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in x
0.175 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.175 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.175 * [taylor]: Taking taylor expansion of x in x
0.175 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.175 * [taylor]: Taking taylor expansion of y in x
0.175 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
0.175 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.175 * [taylor]: Taking taylor expansion of y in x
0.175 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.175 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.175 * [taylor]: Taking taylor expansion of x in x
0.175 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in y
0.175 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in y
0.175 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.175 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.175 * [taylor]: Taking taylor expansion of x in y
0.175 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.175 * [taylor]: Taking taylor expansion of y in y
0.175 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in y
0.175 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.175 * [taylor]: Taking taylor expansion of y in y
0.175 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.175 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.175 * [taylor]: Taking taylor expansion of x in y
0.176 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in y
0.176 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in y
0.176 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.176 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.176 * [taylor]: Taking taylor expansion of x in y
0.176 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.176 * [taylor]: Taking taylor expansion of y in y
0.176 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in y
0.176 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.176 * [taylor]: Taking taylor expansion of y in y
0.176 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.176 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.176 * [taylor]: Taking taylor expansion of x in y
0.176 * [taylor]: Taking taylor expansion of -1 in x
0.176 * [taylor]: Taking taylor expansion of 0 in x
0.177 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of 0 in x
0.178 * [taylor]: Taking taylor expansion of 0 in x
0.179 * [taylor]: Taking taylor expansion of 0 in x
0.179 * [approximate]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in (y x) around 0
0.179 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in x
0.179 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in x
0.179 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.179 * [taylor]: Taking taylor expansion of y in x
0.180 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.180 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.180 * [taylor]: Taking taylor expansion of -1 in x
0.180 * [taylor]: Taking taylor expansion of x in x
0.180 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
0.180 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.180 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.180 * [taylor]: Taking taylor expansion of -1 in x
0.180 * [taylor]: Taking taylor expansion of x in x
0.180 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.180 * [taylor]: Taking taylor expansion of y in x
0.180 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in y
0.180 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in y
0.180 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.180 * [taylor]: Taking taylor expansion of y in y
0.180 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.180 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.180 * [taylor]: Taking taylor expansion of -1 in y
0.180 * [taylor]: Taking taylor expansion of x in y
0.180 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in y
0.180 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.180 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.180 * [taylor]: Taking taylor expansion of -1 in y
0.180 * [taylor]: Taking taylor expansion of x in y
0.180 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.180 * [taylor]: Taking taylor expansion of y in y
0.180 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in y
0.180 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in y
0.180 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.180 * [taylor]: Taking taylor expansion of y in y
0.180 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.180 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.180 * [taylor]: Taking taylor expansion of -1 in y
0.180 * [taylor]: Taking taylor expansion of x in y
0.181 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in y
0.181 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.181 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.181 * [taylor]: Taking taylor expansion of -1 in y
0.181 * [taylor]: Taking taylor expansion of x in y
0.181 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.181 * [taylor]: Taking taylor expansion of y in y
0.181 * [taylor]: Taking taylor expansion of -1 in x
0.181 * [taylor]: Taking taylor expansion of 0 in x
0.181 * [taylor]: Taking taylor expansion of (pow (sqrt (/ -1 x)) 2) in x
0.181 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.181 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.181 * [taylor]: Taking taylor expansion of -1 in x
0.181 * [taylor]: Taking taylor expansion of x in x
0.182 * [taylor]: Taking taylor expansion of 0 in x
0.183 * [taylor]: Taking taylor expansion of 0 in x
0.183 * [taylor]: Taking taylor expansion of 0 in x
0.184 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
0.184 * [approximate]: Taking taylor expansion of (+ (sqrt x) y) in (y x) around 0
0.184 * [taylor]: Taking taylor expansion of (+ (sqrt x) y) in x
0.184 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.184 * [taylor]: Taking taylor expansion of x in x
0.184 * [taylor]: Taking taylor expansion of y in x
0.184 * [taylor]: Taking taylor expansion of (+ (sqrt x) y) in y
0.184 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.184 * [taylor]: Taking taylor expansion of x in y
0.184 * [taylor]: Taking taylor expansion of y in y
0.185 * [taylor]: Taking taylor expansion of (+ (sqrt x) y) in y
0.185 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.185 * [taylor]: Taking taylor expansion of x in y
0.185 * [taylor]: Taking taylor expansion of y in y
0.185 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.185 * [taylor]: Taking taylor expansion of x in x
0.185 * [taylor]: Taking taylor expansion of 1 in x
0.185 * [taylor]: Taking taylor expansion of 0 in x
0.185 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in (y x) around 0
0.185 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
0.185 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.185 * [taylor]: Taking taylor expansion of y in x
0.185 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.185 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.185 * [taylor]: Taking taylor expansion of x in x
0.186 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in y
0.186 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.186 * [taylor]: Taking taylor expansion of y in y
0.186 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.186 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.186 * [taylor]: Taking taylor expansion of x in y
0.186 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in y
0.186 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.186 * [taylor]: Taking taylor expansion of y in y
0.186 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.186 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.186 * [taylor]: Taking taylor expansion of x in y
0.186 * [taylor]: Taking taylor expansion of 1 in x
0.186 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.186 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.186 * [taylor]: Taking taylor expansion of x in x
0.186 * [taylor]: Taking taylor expansion of 0 in x
0.187 * [taylor]: Taking taylor expansion of 0 in x
0.187 * [approximate]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in (y x) around 0
0.187 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
0.187 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.187 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.187 * [taylor]: Taking taylor expansion of -1 in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.187 * [taylor]: Taking taylor expansion of y in x
0.187 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in y
0.187 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.187 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.187 * [taylor]: Taking taylor expansion of -1 in y
0.187 * [taylor]: Taking taylor expansion of x in y
0.187 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.187 * [taylor]: Taking taylor expansion of y in y
0.187 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in y
0.187 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.188 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.188 * [taylor]: Taking taylor expansion of -1 in y
0.188 * [taylor]: Taking taylor expansion of x in y
0.188 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.188 * [taylor]: Taking taylor expansion of y in y
0.188 * [taylor]: Taking taylor expansion of (neg 1) in x
0.188 * [taylor]: Taking taylor expansion of 1 in x
0.188 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.188 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.188 * [taylor]: Taking taylor expansion of -1 in x
0.188 * [taylor]: Taking taylor expansion of x in x
0.188 * [taylor]: Taking taylor expansion of 0 in x
0.188 * [taylor]: Taking taylor expansion of 0 in x
0.189 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
0.189 * [approximate]: Taking taylor expansion of (- (sqrt x) y) in (x y) around 0
0.189 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in y
0.189 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.189 * [taylor]: Taking taylor expansion of x in y
0.189 * [taylor]: Taking taylor expansion of y in y
0.189 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in x
0.189 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.189 * [taylor]: Taking taylor expansion of x in x
0.189 * [taylor]: Taking taylor expansion of y in x
0.189 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in x
0.189 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.189 * [taylor]: Taking taylor expansion of x in x
0.189 * [taylor]: Taking taylor expansion of y in x
0.189 * [taylor]: Taking taylor expansion of (neg y) in y
0.189 * [taylor]: Taking taylor expansion of y in y
0.189 * [taylor]: Taking taylor expansion of NAN in y
0.190 * [taylor]: Taking taylor expansion of (pow NAN 3) in y
0.190 * [taylor]: Taking taylor expansion of NAN in y
0.190 * [approximate]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in (x y) around 0
0.190 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in y
0.190 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.190 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.190 * [taylor]: Taking taylor expansion of x in y
0.190 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.190 * [taylor]: Taking taylor expansion of y in y
0.190 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in x
0.190 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.190 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.190 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.190 * [taylor]: Taking taylor expansion of y in x
0.190 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in x
0.190 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.190 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.191 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.191 * [taylor]: Taking taylor expansion of y in x
0.191 * [taylor]: Taking taylor expansion of 0 in y
0.191 * [taylor]: Taking taylor expansion of (- NAN (/ 1 y)) in y
0.191 * [taylor]: Taking taylor expansion of NAN in y
0.191 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.191 * [taylor]: Taking taylor expansion of y in y
0.191 * [taylor]: Taking taylor expansion of (pow NAN 3) in y
0.191 * [taylor]: Taking taylor expansion of NAN in y
0.191 * [taylor]: Taking taylor expansion of (pow NAN 5) in y
0.191 * [taylor]: Taking taylor expansion of NAN in y
0.192 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in (x y) around 0
0.192 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in y
0.192 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.192 * [taylor]: Taking taylor expansion of y in y
0.192 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.192 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.192 * [taylor]: Taking taylor expansion of -1 in y
0.192 * [taylor]: Taking taylor expansion of x in y
0.192 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in x
0.192 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.192 * [taylor]: Taking taylor expansion of y in x
0.192 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.192 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.192 * [taylor]: Taking taylor expansion of -1 in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in x
0.192 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.192 * [taylor]: Taking taylor expansion of y in x
0.192 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.192 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.192 * [taylor]: Taking taylor expansion of -1 in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of 0 in y
0.193 * [taylor]: Taking taylor expansion of (+ NAN (/ 1 y)) in y
0.193 * [taylor]: Taking taylor expansion of NAN in y
0.193 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.193 * [taylor]: Taking taylor expansion of y in y
0.193 * [taylor]: Taking taylor expansion of (pow NAN 3) in y
0.193 * [taylor]: Taking taylor expansion of NAN in y
0.193 * [taylor]: Taking taylor expansion of (pow NAN 5) in y
0.193 * [taylor]: Taking taylor expansion of NAN in y
0.194 * * * [progress]: simplifying candidates
0.195 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ y (sqrt x)) (- (sqrt x) y))
  (+ (log (+ y (sqrt x))) (log (- (sqrt x) y)))
  (log (* (+ y (sqrt x)) (- (sqrt x) y)))
  (exp (* (+ y (sqrt x)) (- (sqrt x) y)))
  (* (* (* (+ y (sqrt x)) (+ y (sqrt x))) (+ y (sqrt x))) (* (* (- (sqrt x) y) (- (sqrt x) y)) (- (sqrt x) y)))
  (* (cbrt (* (+ y (sqrt x)) (- (sqrt x) y))) (cbrt (* (+ y (sqrt x)) (- (sqrt x) y))))
  (cbrt (* (+ y (sqrt x)) (- (sqrt x) y)))
  (* (* (* (+ y (sqrt x)) (- (sqrt x) y)) (* (+ y (sqrt x)) (- (sqrt x) y))) (* (+ y (sqrt x)) (- (sqrt x) y)))
  (sqrt (* (+ y (sqrt x)) (- (sqrt x) y)))
  (sqrt (* (+ y (sqrt x)) (- (sqrt x) y)))
  (* (+ (pow y 3) (pow (sqrt x) 3)) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ (* y y) (- (* (sqrt x) (sqrt x)) (* y (sqrt x)))) (+ (* (sqrt x) (sqrt x)) (+ (* y y) (* (sqrt x) y))))
  (* (+ (pow y 3) (pow (sqrt x) 3)) (- (* (sqrt x) (sqrt x)) (* y y)))
  (* (+ (* y y) (- (* (sqrt x) (sqrt x)) (* y (sqrt x)))) (+ (sqrt x) y))
  (* (- (* y y) (* (sqrt x) (sqrt x))) (- (pow (sqrt x) 3) (pow y 3)))
  (* (- y (sqrt x)) (+ (* (sqrt x) (sqrt x)) (+ (* y y) (* (sqrt x) y))))
  (* (- (* y y) (* (sqrt x) (sqrt x))) (- (* (sqrt x) (sqrt x)) (* y y)))
  (* (- y (sqrt x)) (+ (sqrt x) y))
  (* (sqrt (+ y (sqrt x))) (sqrt (- (sqrt x) y)))
  (* (sqrt (+ y (sqrt x))) (sqrt (- (sqrt x) y)))
  (* (+ y (sqrt x)) (sqrt x))
  (* (+ y (sqrt x)) (neg y))
  (* (sqrt x) (+ y (sqrt x)))
  (* (neg y) (+ y (sqrt x)))
  (* (+ y (sqrt x)) (* (cbrt (- (sqrt x) y)) (cbrt (- (sqrt x) y))))
  (* (+ y (sqrt x)) (sqrt (- (sqrt x) y)))
  (* (+ y (sqrt x)) 1)
  (* (+ y (sqrt x)) (+ (sqrt (sqrt x)) (sqrt y)))
  (* (+ y (sqrt x)) (+ (sqrt (sqrt x)) (sqrt y)))
  (* (+ y (sqrt x)) 1)
  (* (cbrt (+ y (sqrt x))) (- (sqrt x) y))
  (* (sqrt (+ y (sqrt x))) (- (sqrt x) y))
  (* (+ y (sqrt x)) (- (sqrt x) y))
  (* (+ y (sqrt x)) (- (sqrt x) y))
  (* (+ y (sqrt x)) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ y (sqrt x)) (- (* (sqrt x) (sqrt x)) (* y y)))
  (* (+ (pow y 3) (pow (sqrt x) 3)) (- (sqrt x) y))
  (* (- (* y y) (* (sqrt x) (sqrt x))) (- (sqrt x) y))
  (* (exp y) (exp (sqrt x)))
  (log (+ y (sqrt x)))
  (exp (+ y (sqrt x)))
  (* (cbrt (+ y (sqrt x))) (cbrt (+ y (sqrt x))))
  (cbrt (+ y (sqrt x)))
  (* (* (+ y (sqrt x)) (+ y (sqrt x))) (+ y (sqrt x)))
  (sqrt (+ y (sqrt x)))
  (sqrt (+ y (sqrt x)))
  (+ (pow y 3) (pow (sqrt x) 3))
  (+ (* y y) (- (* (sqrt x) (sqrt x)) (* y (sqrt x))))
  (- (* y y) (* (sqrt x) (sqrt x)))
  (- y (sqrt x))
  (+ y (sqrt x))
  (/ (exp (sqrt x)) (exp y))
  (log (- (sqrt x) y))
  (exp (- (sqrt x) y))
  (* (cbrt (- (sqrt x) y)) (cbrt (- (sqrt x) y)))
  (cbrt (- (sqrt x) y))
  (* (* (- (sqrt x) y) (- (sqrt x) y)) (- (sqrt x) y))
  (sqrt (- (sqrt x) y))
  (sqrt (- (sqrt x) y))
  (- (pow (sqrt x) 3) (pow y 3))
  (+ (* (sqrt x) (sqrt x)) (+ (* y y) (* (sqrt x) y)))
  (neg y)
  (- (* (sqrt x) (sqrt x)) (* y y))
  (+ (sqrt x) y)
  (+ (sqrt (sqrt x)) (sqrt y))
  (- (sqrt (sqrt x)) (sqrt y))
  (+ (sqrt (sqrt x)) (sqrt y))
  (- (sqrt (sqrt x)) (sqrt y))
  (- (sqrt x) y)
  (- x (pow y 2))
  (- x (pow y 2))
  (- (pow NAN 2) (+ (pow y 2) (* 2 (/ (pow NAN 4) x))))
  (+ (* x NAN) (+ y (* (pow x 2) (pow NAN 3))))
  (+ (/ (pow NAN 3) x) (+ NAN y))
  (- (+ NAN y) (/ (pow NAN 3) x))
  (- (+ (* x NAN) (* (pow x 2) (pow NAN 3))) y)
  (- (+ (/ (pow NAN 3) x) NAN) y)
  (- NAN (+ (/ (pow NAN 3) x) y))
0.247 * * [simplify]: iteration  0 :  4980  enodes  (cost  605 )
0.248 * * [simplify]: iteration  1 :  4980  enodes  (cost  605 )
0.251 * [simplify]: Simplified to:
   (- x (* y y))
  (log (- x (* y y)))
  (log (- x (* y y)))
  (exp (- x (* y y)))
  (pow (- x (* y y)) 3)
  (* (cbrt (- x (* y y))) (cbrt (- x (* y y))))
  (cbrt (- x (* y y)))
  (pow (- x (* y y)) 3)
  (sqrt (- x (* y y)))
  (sqrt (- x (* y y)))
  (* (+ (pow y 3) (pow x 3/2)) (- (pow x 3/2) (pow y 3)))
  (* (+ x (* y (- y (sqrt x)))) (+ x (* y (+ y (sqrt x)))))
  (* (- x (* y y)) (+ (pow y 3) (pow x 3/2)))
  (* (+ y (sqrt x)) (+ x (* y (- y (sqrt x)))))
  (* (- (pow x 3/2) (pow y 3)) (- (* y y) x))
  (- (* y (+ (- (* y y) x) x)) (pow x 3/2))
  (* (- x (* y y)) (- (* y y) x))
  (- (* y y) x)
  (* (sqrt (+ y (sqrt x))) (sqrt (- (sqrt x) y)))
  (* (sqrt (+ y (sqrt x))) (sqrt (- (sqrt x) y)))
  (+ x (* y (sqrt x)))
  (* y (- (neg y) (sqrt x)))
  (+ x (* y (sqrt x)))
  (* y (- (neg y) (sqrt x)))
  (* (+ y (sqrt x)) (* (cbrt (- (sqrt x) y)) (cbrt (- (sqrt x) y))))
  (* (+ y (sqrt x)) (sqrt (- (sqrt x) y)))
  (+ y (sqrt x))
  (* (+ y (sqrt x)) (+ (sqrt (sqrt x)) (sqrt y)))
  (* (+ y (sqrt x)) (+ (sqrt (sqrt x)) (sqrt y)))
  (+ y (sqrt x))
  (* (- (sqrt x) y) (cbrt (+ y (sqrt x))))
  (* (- (sqrt x) y) (sqrt (+ y (sqrt x))))
  (- x (* y y))
  (- x (* y y))
  (* (+ y (sqrt x)) (- (pow x 3/2) (pow y 3)))
  (* (+ y (sqrt x)) (- x (* y y)))
  (* (- (sqrt x) y) (+ (pow y 3) (pow x 3/2)))
  (* (- (sqrt x) y) (- (* y y) x))
  (exp (+ y (sqrt x)))
  (log (+ y (sqrt x)))
  (exp (+ y (sqrt x)))
  (* (cbrt (+ y (sqrt x))) (cbrt (+ y (sqrt x))))
  (cbrt (+ y (sqrt x)))
  (pow (+ y (sqrt x)) 3)
  (sqrt (+ y (sqrt x)))
  (sqrt (+ y (sqrt x)))
  (+ (pow y 3) (pow x 3/2))
  (+ x (* y (- y (sqrt x))))
  (- (* y y) x)
  (- y (sqrt x))
  (+ y (sqrt x))
  (exp (- (sqrt x) y))
  (log (- (sqrt x) y))
  (exp (- (sqrt x) y))
  (* (cbrt (- (sqrt x) y)) (cbrt (- (sqrt x) y)))
  (cbrt (- (sqrt x) y))
  (pow (- (sqrt x) y) 3)
  (sqrt (- (sqrt x) y))
  (sqrt (- (sqrt x) y))
  (- (pow x 3/2) (pow y 3))
  (+ x (* y (+ y (sqrt x))))
  (neg y)
  (- x (* y y))
  (+ y (sqrt x))
  (+ (sqrt (sqrt x)) (sqrt y))
  (- (sqrt (sqrt x)) (sqrt y))
  (+ (sqrt (sqrt x)) (sqrt y))
  (- (sqrt (sqrt x)) (sqrt y))
  (- (sqrt x) y)
  (- x (* y y))
  (- x (* y y))
  (+ (* NAN NAN) (- (* (/ (pow NAN 4) x) -2) (* y y)))
  (+ y (* x (+ NAN (* x (pow NAN 3)))))
  (+ y (+ NAN (/ (pow NAN 3) x)))
  (+ y (- NAN (/ (pow NAN 3) x)))
  (- (* x (+ NAN (* x (pow NAN 3)))) y)
  (+ NAN (- (/ (pow NAN 3) x) y))
  (- NAN (+ y (/ (pow NAN 3) x)))
0.253 * * * [progress]: adding candidates to table
0.312 * [progress]: [Phase 3 of 3] Extracting.
0.312 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ y (sqrt x)) (- (sqrt x) y)))>)
0.312 * * * [regime-changes]: Trying 4 branch expressions: ((* y y) (- x (* y y)) y x)
0.312 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ y (sqrt x)) (- (sqrt x) y)))>)
0.343 * * * * [regimes]: Trying to branch on (- x (* y y)) from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ y (sqrt x)) (- (sqrt x) y)))>)
0.375 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ y (sqrt x)) (- (sqrt x) y)))>)
0.405 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ y (sqrt x)) (- (sqrt x) y)))>)
0.436 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.436 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.437 * * [simplify]: iteration  0 :  22  enodes  (cost  5 )
0.437 * * [simplify]: iteration  1 :  22  enodes  (cost  5 )
0.437 * [simplify]: Simplified to:
   (- x (* y y))
0.938 * [regime-testing]: End program error score: 0.005924780275381768