0.786 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.253 * * * [progress]: [2/2] Setting up program.
0.257 * [progress]: [Phase 2 of 3] Improving.
0.259 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.699 * * [simplify]: iteration  0 :  228  enodes  (cost  7 )
0.699 * * [simplify]: iteration  1 :  228  enodes  (cost  7 )
0.699 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.701 * * [progress]: iteration 1 / 4
0.701 * * * [progress]: picking best candidate
0.704 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.704 * * * [progress]: localizing error
0.724 * * * [progress]: generating rewritten candidates
0.724 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.732 * * * [progress]: generating series expansions
0.732 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.736 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0
0.737 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.737 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.737 * [taylor]: Taking taylor expansion of x in y
0.738 * [taylor]: Taking taylor expansion of y in y
0.738 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.738 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.738 * [taylor]: Taking taylor expansion of x in x
0.738 * [taylor]: Taking taylor expansion of y in x
0.738 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.738 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.738 * [taylor]: Taking taylor expansion of x in x
0.738 * [taylor]: Taking taylor expansion of y in x
0.739 * [taylor]: Taking taylor expansion of (neg y) in y
0.739 * [taylor]: Taking taylor expansion of y in y
0.739 * [taylor]: Taking taylor expansion of 0 in y
0.739 * [taylor]: Taking taylor expansion of 1 in y
0.739 * [taylor]: Taking taylor expansion of 0 in y
0.740 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.740 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.740 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.740 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.740 * [taylor]: Taking taylor expansion of x in y
0.740 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.740 * [taylor]: Taking taylor expansion of y in y
0.740 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.740 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.740 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.740 * [taylor]: Taking taylor expansion of x in x
0.740 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.740 * [taylor]: Taking taylor expansion of y in x
0.741 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.741 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.741 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.741 * [taylor]: Taking taylor expansion of x in x
0.741 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.741 * [taylor]: Taking taylor expansion of y in x
0.741 * [taylor]: Taking taylor expansion of 1 in y
0.741 * [taylor]: Taking taylor expansion of 0 in y
0.741 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.741 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.741 * [taylor]: Taking taylor expansion of y in y
0.742 * [taylor]: Taking taylor expansion of 0 in y
0.742 * [taylor]: Taking taylor expansion of 0 in y
0.743 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.743 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.743 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.743 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.743 * [taylor]: Taking taylor expansion of x in y
0.743 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.743 * [taylor]: Taking taylor expansion of y in y
0.743 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.743 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.743 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.743 * [taylor]: Taking taylor expansion of x in x
0.743 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.743 * [taylor]: Taking taylor expansion of y in x
0.743 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.743 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.743 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.743 * [taylor]: Taking taylor expansion of x in x
0.743 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.743 * [taylor]: Taking taylor expansion of y in x
0.743 * [taylor]: Taking taylor expansion of 1 in y
0.743 * [taylor]: Taking taylor expansion of 0 in y
0.743 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.743 * [taylor]: Taking taylor expansion of y in y
0.744 * [taylor]: Taking taylor expansion of 0 in y
0.744 * [taylor]: Taking taylor expansion of 0 in y
0.744 * * * [progress]: simplifying candidates
0.745 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (* x x)) (exp y))
  (log (- (* x x) y))
  (exp (- (* x x) y))
  (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y)))
  (cbrt (- (* x x) y))
  (* (* (- (* x x) y) (- (* x x) y)) (- (* x x) y))
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (- (pow (* x x) 3) (pow y 3))
  (+ (* (* x x) (* x x)) (+ (* y y) (* (* x x) y)))
  (neg y)
  (- (* (* x x) (* x x)) (* y y))
  (+ (* x x) y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
0.793 * * [simplify]: iteration  0 :  4808  enodes  (cost  111 )
0.793 * * [simplify]: iteration  1 :  4808  enodes  (cost  111 )
0.794 * [simplify]: Simplified to:
   (exp (- (* x x) y))
  (log (- (* x x) y))
  (exp (- (* x x) y))
  (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y)))
  (cbrt (- (* x x) y))
  (pow (- (* x x) y) 3)
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (- (pow x 6) (pow y 3))
  (+ (pow x 4) (* y (+ (* x x) y)))
  (neg y)
  (- (pow x 4) (* y y))
  (+ (* x x) y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (- (* x x) y)
  (- (* x x) y)
  (- (* x x) y)
0.794 * * * [progress]: adding candidates to table
0.813 * * [progress]: iteration 2 / 4
0.813 * * * [progress]: picking best candidate
0.816 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))>
0.816 * * * [progress]: localizing error
0.823 * * * [progress]: generating rewritten candidates
0.823 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2)
0.833 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 2)
0.837 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 1)
0.842 * * * [progress]: generating series expansions
0.842 * * * * [progress]: [ 1 / 3 ] generating series at (2 2)
0.842 * [approximate]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in (x y) around 0
0.842 * [taylor]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in y
0.842 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in y
0.842 * [taylor]: Taking taylor expansion of x in y
0.842 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.842 * [taylor]: Taking taylor expansion of y in y
0.842 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in y
0.842 * [taylor]: Taking taylor expansion of x in y
0.842 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.842 * [taylor]: Taking taylor expansion of y in y
0.842 * [taylor]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in x
0.842 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.842 * [taylor]: Taking taylor expansion of x in x
0.842 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.842 * [taylor]: Taking taylor expansion of y in x
0.842 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.842 * [taylor]: Taking taylor expansion of x in x
0.842 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.842 * [taylor]: Taking taylor expansion of y in x
0.842 * [taylor]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in x
0.842 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.842 * [taylor]: Taking taylor expansion of x in x
0.842 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.842 * [taylor]: Taking taylor expansion of y in x
0.842 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.842 * [taylor]: Taking taylor expansion of x in x
0.842 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.843 * [taylor]: Taking taylor expansion of y in x
0.843 * [taylor]: Taking taylor expansion of (* -1 y) in y
0.843 * [taylor]: Taking taylor expansion of -1 in y
0.843 * [taylor]: Taking taylor expansion of y in y
0.843 * [taylor]: Taking taylor expansion of 0 in y
0.844 * [taylor]: Taking taylor expansion of 1 in y
0.844 * [taylor]: Taking taylor expansion of 0 in y
0.844 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in (x y) around 0
0.844 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in y
0.844 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in y
0.844 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.844 * [taylor]: Taking taylor expansion of x in y
0.844 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.844 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.844 * [taylor]: Taking taylor expansion of y in y
0.844 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in y
0.844 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.844 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.844 * [taylor]: Taking taylor expansion of y in y
0.845 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.845 * [taylor]: Taking taylor expansion of x in y
0.845 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in x
0.845 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in x
0.845 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.845 * [taylor]: Taking taylor expansion of x in x
0.845 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.845 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.845 * [taylor]: Taking taylor expansion of y in x
0.845 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in x
0.845 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.845 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.845 * [taylor]: Taking taylor expansion of y in x
0.845 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.845 * [taylor]: Taking taylor expansion of x in x
0.845 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in x
0.845 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in x
0.845 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.845 * [taylor]: Taking taylor expansion of x in x
0.845 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.845 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.845 * [taylor]: Taking taylor expansion of y in x
0.845 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in x
0.845 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.845 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.845 * [taylor]: Taking taylor expansion of y in x
0.845 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.845 * [taylor]: Taking taylor expansion of x in x
0.845 * [taylor]: Taking taylor expansion of 1 in y
0.846 * [taylor]: Taking taylor expansion of 0 in y
0.846 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.846 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.846 * [taylor]: Taking taylor expansion of y in y
0.846 * [taylor]: Taking taylor expansion of 0 in y
0.847 * [taylor]: Taking taylor expansion of 0 in y
0.848 * [taylor]: Taking taylor expansion of 0 in y
0.848 * [approximate]: Taking taylor expansion of (* -1 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in (x y) around 0
0.848 * [taylor]: Taking taylor expansion of (* -1 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in y
0.848 * [taylor]: Taking taylor expansion of -1 in y
0.848 * [taylor]: Taking taylor expansion of (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x))) in y
0.848 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in y
0.848 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.848 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.848 * [taylor]: Taking taylor expansion of -1 in y
0.848 * [taylor]: Taking taylor expansion of y in y
0.848 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.848 * [taylor]: Taking taylor expansion of x in y
0.848 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in y
0.848 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.848 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.848 * [taylor]: Taking taylor expansion of -1 in y
0.848 * [taylor]: Taking taylor expansion of y in y
0.848 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.848 * [taylor]: Taking taylor expansion of x in y
0.849 * [taylor]: Taking taylor expansion of (* -1 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in x
0.849 * [taylor]: Taking taylor expansion of -1 in x
0.849 * [taylor]: Taking taylor expansion of (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x))) in x
0.849 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.849 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.849 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.849 * [taylor]: Taking taylor expansion of -1 in x
0.849 * [taylor]: Taking taylor expansion of y in x
0.849 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.849 * [taylor]: Taking taylor expansion of x in x
0.849 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in x
0.849 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.849 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.849 * [taylor]: Taking taylor expansion of -1 in x
0.849 * [taylor]: Taking taylor expansion of y in x
0.849 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.849 * [taylor]: Taking taylor expansion of x in x
0.849 * [taylor]: Taking taylor expansion of (* -1 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in x
0.849 * [taylor]: Taking taylor expansion of -1 in x
0.849 * [taylor]: Taking taylor expansion of (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x))) in x
0.849 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.849 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.849 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.849 * [taylor]: Taking taylor expansion of -1 in x
0.849 * [taylor]: Taking taylor expansion of y in x
0.849 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.849 * [taylor]: Taking taylor expansion of x in x
0.849 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in x
0.849 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.850 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.850 * [taylor]: Taking taylor expansion of -1 in x
0.850 * [taylor]: Taking taylor expansion of y in x
0.850 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.850 * [taylor]: Taking taylor expansion of x in x
0.850 * [taylor]: Taking taylor expansion of 1 in y
0.850 * [taylor]: Taking taylor expansion of 0 in y
0.850 * [taylor]: Taking taylor expansion of (neg (pow (sqrt (/ -1 y)) 2)) in y
0.850 * [taylor]: Taking taylor expansion of (pow (sqrt (/ -1 y)) 2) in y
0.850 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.850 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.850 * [taylor]: Taking taylor expansion of -1 in y
0.850 * [taylor]: Taking taylor expansion of y in y
0.851 * [taylor]: Taking taylor expansion of 0 in y
0.852 * [taylor]: Taking taylor expansion of 0 in y
0.853 * [taylor]: Taking taylor expansion of 0 in y
0.854 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 2)
0.854 * [approximate]: Taking taylor expansion of (- x (sqrt y)) in (x y) around 0
0.854 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in y
0.854 * [taylor]: Taking taylor expansion of x in y
0.854 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.854 * [taylor]: Taking taylor expansion of y in y
0.854 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.854 * [taylor]: Taking taylor expansion of x in x
0.854 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.854 * [taylor]: Taking taylor expansion of y in x
0.854 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.854 * [taylor]: Taking taylor expansion of x in x
0.854 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.854 * [taylor]: Taking taylor expansion of y in x
0.854 * [taylor]: Taking taylor expansion of (neg (sqrt y)) in y
0.854 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.854 * [taylor]: Taking taylor expansion of y in y
0.854 * [taylor]: Taking taylor expansion of 1 in y
0.855 * [taylor]: Taking taylor expansion of 0 in y
0.855 * [approximate]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in (x y) around 0
0.855 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in y
0.855 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.855 * [taylor]: Taking taylor expansion of x in y
0.855 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.855 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.855 * [taylor]: Taking taylor expansion of y in y
0.855 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in x
0.855 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.855 * [taylor]: Taking taylor expansion of x in x
0.855 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.855 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.855 * [taylor]: Taking taylor expansion of y in x
0.855 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in x
0.855 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.855 * [taylor]: Taking taylor expansion of x in x
0.856 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.856 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.856 * [taylor]: Taking taylor expansion of y in x
0.856 * [taylor]: Taking taylor expansion of 1 in y
0.856 * [taylor]: Taking taylor expansion of (neg (sqrt (/ 1 y))) in y
0.856 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.856 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.856 * [taylor]: Taking taylor expansion of y in y
0.856 * [taylor]: Taking taylor expansion of 0 in y
0.856 * [taylor]: Taking taylor expansion of 0 in y
0.857 * [approximate]: Taking taylor expansion of (neg (+ (sqrt (/ -1 y)) (/ 1 x))) in (x y) around 0
0.857 * [taylor]: Taking taylor expansion of (neg (+ (sqrt (/ -1 y)) (/ 1 x))) in y
0.857 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in y
0.857 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.857 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.857 * [taylor]: Taking taylor expansion of -1 in y
0.857 * [taylor]: Taking taylor expansion of y in y
0.857 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.857 * [taylor]: Taking taylor expansion of x in y
0.857 * [taylor]: Taking taylor expansion of (neg (+ (sqrt (/ -1 y)) (/ 1 x))) in x
0.857 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.857 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.857 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.857 * [taylor]: Taking taylor expansion of -1 in x
0.857 * [taylor]: Taking taylor expansion of y in x
0.857 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.857 * [taylor]: Taking taylor expansion of x in x
0.857 * [taylor]: Taking taylor expansion of (neg (+ (sqrt (/ -1 y)) (/ 1 x))) in x
0.857 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.857 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.857 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.857 * [taylor]: Taking taylor expansion of -1 in x
0.857 * [taylor]: Taking taylor expansion of y in x
0.857 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.857 * [taylor]: Taking taylor expansion of x in x
0.857 * [taylor]: Taking taylor expansion of (neg 1) in y
0.857 * [taylor]: Taking taylor expansion of 1 in y
0.858 * [taylor]: Taking taylor expansion of (neg (sqrt (/ -1 y))) in y
0.858 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.858 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.858 * [taylor]: Taking taylor expansion of -1 in y
0.858 * [taylor]: Taking taylor expansion of y in y
0.858 * [taylor]: Taking taylor expansion of 0 in y
0.863 * [taylor]: Taking taylor expansion of 0 in y
0.863 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 1)
0.863 * [approximate]: Taking taylor expansion of (+ x (sqrt y)) in (x y) around 0
0.864 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in y
0.864 * [taylor]: Taking taylor expansion of x in y
0.864 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.864 * [taylor]: Taking taylor expansion of y in y
0.864 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.864 * [taylor]: Taking taylor expansion of x in x
0.864 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.864 * [taylor]: Taking taylor expansion of y in x
0.864 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.864 * [taylor]: Taking taylor expansion of x in x
0.864 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.864 * [taylor]: Taking taylor expansion of y in x
0.864 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.864 * [taylor]: Taking taylor expansion of y in y
0.864 * [taylor]: Taking taylor expansion of 1 in y
0.864 * [taylor]: Taking taylor expansion of 0 in y
0.865 * [approximate]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in (x y) around 0
0.865 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in y
0.865 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.865 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.865 * [taylor]: Taking taylor expansion of y in y
0.865 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.865 * [taylor]: Taking taylor expansion of x in y
0.865 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in x
0.865 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.865 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.865 * [taylor]: Taking taylor expansion of y in x
0.865 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.865 * [taylor]: Taking taylor expansion of x in x
0.865 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in x
0.865 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.865 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.865 * [taylor]: Taking taylor expansion of y in x
0.866 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.866 * [taylor]: Taking taylor expansion of x in x
0.866 * [taylor]: Taking taylor expansion of 1 in y
0.866 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.866 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.866 * [taylor]: Taking taylor expansion of y in y
0.866 * [taylor]: Taking taylor expansion of 0 in y
0.866 * [taylor]: Taking taylor expansion of 0 in y
0.867 * [approximate]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in (x y) around 0
0.867 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in y
0.867 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.867 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.867 * [taylor]: Taking taylor expansion of -1 in y
0.867 * [taylor]: Taking taylor expansion of y in y
0.867 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.867 * [taylor]: Taking taylor expansion of x in y
0.867 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in x
0.867 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.867 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.867 * [taylor]: Taking taylor expansion of -1 in x
0.867 * [taylor]: Taking taylor expansion of y in x
0.867 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.867 * [taylor]: Taking taylor expansion of x in x
0.867 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in x
0.867 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.867 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.867 * [taylor]: Taking taylor expansion of -1 in x
0.867 * [taylor]: Taking taylor expansion of y in x
0.867 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.867 * [taylor]: Taking taylor expansion of x in x
0.867 * [taylor]: Taking taylor expansion of (neg 1) in y
0.867 * [taylor]: Taking taylor expansion of 1 in y
0.867 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.867 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.867 * [taylor]: Taking taylor expansion of -1 in y
0.867 * [taylor]: Taking taylor expansion of y in y
0.868 * [taylor]: Taking taylor expansion of 0 in y
0.868 * [taylor]: Taking taylor expansion of 0 in y
0.868 * * * [progress]: simplifying candidates
0.869 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ x (sqrt y)) (- x (sqrt y)))
  (+ (log (+ x (sqrt y))) (log (- x (sqrt y))))
  (log (* (+ x (sqrt y)) (- x (sqrt y))))
  (exp (* (+ x (sqrt y)) (- x (sqrt y))))
  (* (* (* (+ x (sqrt y)) (+ x (sqrt y))) (+ x (sqrt y))) (* (* (- x (sqrt y)) (- x (sqrt y))) (- x (sqrt y))))
  (* (cbrt (* (+ x (sqrt y)) (- x (sqrt y)))) (cbrt (* (+ x (sqrt y)) (- x (sqrt y)))))
  (cbrt (* (+ x (sqrt y)) (- x (sqrt y))))
  (* (* (* (+ x (sqrt y)) (- x (sqrt y))) (* (+ x (sqrt y)) (- x (sqrt y)))) (* (+ x (sqrt y)) (- x (sqrt y))))
  (sqrt (* (+ x (sqrt y)) (- x (sqrt y))))
  (sqrt (* (+ x (sqrt y)) (- x (sqrt y))))
  (* (+ (pow x 3) (pow (sqrt y) 3)) (- (pow x 3) (pow (sqrt y) 3)))
  (* (+ (* x x) (- (* (sqrt y) (sqrt y)) (* x (sqrt y)))) (+ (* x x) (+ (* (sqrt y) (sqrt y)) (* x (sqrt y)))))
  (* (+ (pow x 3) (pow (sqrt y) 3)) (- (* x x) (* (sqrt y) (sqrt y))))
  (* (+ (* x x) (- (* (sqrt y) (sqrt y)) (* x (sqrt y)))) (+ x (sqrt y)))
  (* (- (* x x) (* (sqrt y) (sqrt y))) (- (pow x 3) (pow (sqrt y) 3)))
  (* (- x (sqrt y)) (+ (* x x) (+ (* (sqrt y) (sqrt y)) (* x (sqrt y)))))
  (* (- (* x x) (* (sqrt y) (sqrt y))) (- (* x x) (* (sqrt y) (sqrt y))))
  (* (- x (sqrt y)) (+ x (sqrt y)))
  (* (sqrt (+ x (sqrt y))) (sqrt (- x (sqrt y))))
  (* (sqrt (+ x (sqrt y))) (sqrt (- x (sqrt y))))
  (* (+ x (sqrt y)) x)
  (* (+ x (sqrt y)) (neg (sqrt y)))
  (* x (+ x (sqrt y)))
  (* (neg (sqrt y)) (+ x (sqrt y)))
  (* (+ x (sqrt y)) (* (cbrt (- x (sqrt y))) (cbrt (- x (sqrt y)))))
  (* (+ x (sqrt y)) (sqrt (- x (sqrt y))))
  (* (+ x (sqrt y)) 1)
  (* (+ x (sqrt y)) (+ (sqrt x) (sqrt (sqrt y))))
  (* (+ x (sqrt y)) (+ (sqrt x) (sqrt (sqrt y))))
  (* (+ x (sqrt y)) 1)
  (* (cbrt (+ x (sqrt y))) (- x (sqrt y)))
  (* (sqrt (+ x (sqrt y))) (- x (sqrt y)))
  (* (+ x (sqrt y)) (- x (sqrt y)))
  (* (+ x (sqrt y)) (- x (sqrt y)))
  (* (+ x (sqrt y)) (- (pow x 3) (pow (sqrt y) 3)))
  (* (+ x (sqrt y)) (- (* x x) (* (sqrt y) (sqrt y))))
  (* (+ (pow x 3) (pow (sqrt y) 3)) (- x (sqrt y)))
  (* (- (* x x) (* (sqrt y) (sqrt y))) (- x (sqrt y)))
  (/ (exp x) (exp (sqrt y)))
  (log (- x (sqrt y)))
  (exp (- x (sqrt y)))
  (* (cbrt (- x (sqrt y))) (cbrt (- x (sqrt y))))
  (cbrt (- x (sqrt y)))
  (* (* (- x (sqrt y)) (- x (sqrt y))) (- x (sqrt y)))
  (sqrt (- x (sqrt y)))
  (sqrt (- x (sqrt y)))
  (- (pow x 3) (pow (sqrt y) 3))
  (+ (* x x) (+ (* (sqrt y) (sqrt y)) (* x (sqrt y))))
  (neg (sqrt y))
  (- (* x x) (* (sqrt y) (sqrt y)))
  (+ x (sqrt y))
  (+ (sqrt x) (sqrt (sqrt y)))
  (- (sqrt x) (sqrt (sqrt y)))
  (+ (sqrt x) (sqrt (sqrt y)))
  (- (sqrt x) (sqrt (sqrt y)))
  (- x (sqrt y))
  (* (exp x) (exp (sqrt y)))
  (log (+ x (sqrt y)))
  (exp (+ x (sqrt y)))
  (* (cbrt (+ x (sqrt y))) (cbrt (+ x (sqrt y))))
  (cbrt (+ x (sqrt y)))
  (* (* (+ x (sqrt y)) (+ x (sqrt y))) (+ x (sqrt y)))
  (sqrt (+ x (sqrt y)))
  (sqrt (+ x (sqrt y)))
  (+ (pow x 3) (pow (sqrt y) 3))
  (+ (* x x) (- (* (sqrt y) (sqrt y)) (* x (sqrt y))))
  (- (* x x) (* (sqrt y) (sqrt y)))
  (- x (sqrt y))
  (+ x (sqrt y))
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (+ (pow x 2) (* 2 (/ (pow NAN 4) y))) (pow NAN 2))
  (- x (+ (* (pow NAN 3) (pow y 2)) (* NAN y)))
  (- x (+ (/ (pow NAN 3) y) NAN))
  (- (+ (/ (pow NAN 3) y) x) NAN)
  (+ (* (pow NAN 3) (pow y 2)) (+ x (* NAN y)))
  (+ (/ (pow NAN 3) y) (+ NAN x))
  (- (+ NAN x) (/ (pow NAN 3) y))
0.926 * * [simplify]: iteration  0 :  4944  enodes  (cost  606 )
0.926 * * [simplify]: iteration  1 :  4944  enodes  (cost  606 )
0.929 * [simplify]: Simplified to:
   (- (* x x) y)
  (log (- (* x x) y))
  (log (- (* x x) y))
  (exp (- (* x x) y))
  (pow (- (* x x) y) 3)
  (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y)))
  (cbrt (- (* x x) y))
  (pow (- (* x x) y) 3)
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (* (+ (pow x 3) (pow y 3/2)) (- (pow x 3) (pow y 3/2)))
  (* (+ y (* x (- x (sqrt y)))) (+ y (* x (+ x (sqrt y)))))
  (* (- (* x x) y) (+ (pow x 3) (pow y 3/2)))
  (* (+ x (sqrt y)) (+ y (* x (- x (sqrt y)))))
  (* (- (* x x) y) (- (pow x 3) (pow y 3/2)))
  (* (- x (sqrt y)) (+ y (* x (+ x (sqrt y)))))
  (* (- (* x x) y) (- (* x x) y))
  (- (* x x) y)
  (* (sqrt (+ x (sqrt y))) (sqrt (- x (sqrt y))))
  (* (sqrt (+ x (sqrt y))) (sqrt (- x (sqrt y))))
  (* x (+ x (sqrt y)))
  (- (* x (neg (sqrt y))) y)
  (* x (+ x (sqrt y)))
  (- (* x (neg (sqrt y))) y)
  (* (+ x (sqrt y)) (* (cbrt (- x (sqrt y))) (cbrt (- x (sqrt y)))))
  (* (+ x (sqrt y)) (sqrt (- x (sqrt y))))
  (+ x (sqrt y))
  (* (+ x (sqrt y)) (+ (sqrt x) (sqrt (sqrt y))))
  (* (+ x (sqrt y)) (+ (sqrt x) (sqrt (sqrt y))))
  (+ x (sqrt y))
  (* (- x (sqrt y)) (cbrt (+ x (sqrt y))))
  (* (- x (sqrt y)) (sqrt (+ x (sqrt y))))
  (- (* x x) y)
  (- (* x x) y)
  (* (+ x (sqrt y)) (- (pow x 3) (pow y 3/2)))
  (* (+ x (sqrt y)) (- (* x x) y))
  (* (- x (sqrt y)) (+ (pow x 3) (pow y 3/2)))
  (* (- x (sqrt y)) (- (* x x) y))
  (exp (- x (sqrt y)))
  (log (- x (sqrt y)))
  (exp (- x (sqrt y)))
  (* (cbrt (- x (sqrt y))) (cbrt (- x (sqrt y))))
  (cbrt (- x (sqrt y)))
  (pow (- x (sqrt y)) 3)
  (sqrt (- x (sqrt y)))
  (sqrt (- x (sqrt y)))
  (- (pow x 3) (pow y 3/2))
  (+ y (* x (+ x (sqrt y))))
  (neg (sqrt y))
  (- (* x x) y)
  (+ x (sqrt y))
  (+ (sqrt x) (sqrt (sqrt y)))
  (- (sqrt x) (sqrt (sqrt y)))
  (+ (sqrt x) (sqrt (sqrt y)))
  (- (sqrt x) (sqrt (sqrt y)))
  (- x (sqrt y))
  (exp (+ x (sqrt y)))
  (log (+ x (sqrt y)))
  (exp (+ x (sqrt y)))
  (* (cbrt (+ x (sqrt y))) (cbrt (+ x (sqrt y))))
  (cbrt (+ x (sqrt y)))
  (pow (+ x (sqrt y)) 3)
  (sqrt (+ x (sqrt y)))
  (sqrt (+ x (sqrt y)))
  (+ (pow x 3) (pow y 3/2))
  (+ y (* x (- x (sqrt y))))
  (- (* x x) y)
  (- x (sqrt y))
  (+ x (sqrt y))
  (- (* x x) y)
  (- (* x x) y)
  (+ (* x x) (- (* 2 (/ (pow NAN 4) y)) (* NAN NAN)))
  (- x (* y (+ (* y (pow NAN 3)) NAN)))
  (- x (+ NAN (/ (pow NAN 3) y)))
  (+ x (- (/ (pow NAN 3) y) NAN))
  (+ x (* y (+ (* y (pow NAN 3)) NAN)))
  (+ x (+ NAN (/ (pow NAN 3) y)))
  (+ x (- NAN (/ (pow NAN 3) y)))
0.929 * * * [progress]: adding candidates to table
0.994 * [progress]: [Phase 3 of 3] Extracting.
0.994 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
0.995 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (- (* x x) y) (* 0.5 (- (* x x) y)) y x)
0.995 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
1.027 * * * * [regimes]: Trying to branch on (- (* x x) y) from (#<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
1.061 * * * * [regimes]: Trying to branch on (* 0.5 (- (* x x) y)) from (#<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
1.094 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
1.126 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
1.159 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
1.160 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
1.161 * * [simplify]: iteration  0 :  17  enodes  (cost  7 )
1.161 * * [simplify]: iteration  1 :  17  enodes  (cost  7 )
1.161 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
1.758 * [regime-testing]: End program error score: 0.04525565695711964