0.781 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.251 * * * [progress]: [2/2] Setting up program.
0.254 * [progress]: [Phase 2 of 3] Improving.
0.257 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.698 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.699 * * [simplify]: iteration  1 :  7  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
0.712 * * * [progress]: generating rewritten candidates
0.712 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.719 * * * [progress]: generating series expansions
0.719 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.724 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0
0.724 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.725 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.725 * [taylor]: Taking taylor expansion of x in y
0.725 * [taylor]: Taking taylor expansion of y in y
0.725 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.725 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.725 * [taylor]: Taking taylor expansion of x in x
0.725 * [taylor]: Taking taylor expansion of y in x
0.725 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.725 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.725 * [taylor]: Taking taylor expansion of x in x
0.725 * [taylor]: Taking taylor expansion of y in x
0.726 * [taylor]: Taking taylor expansion of (neg y) in y
0.726 * [taylor]: Taking taylor expansion of y in y
0.726 * [taylor]: Taking taylor expansion of 0 in y
0.727 * [taylor]: Taking taylor expansion of 1 in y
0.727 * [taylor]: Taking taylor expansion of 0 in y
0.727 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.727 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.727 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.727 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.727 * [taylor]: Taking taylor expansion of x in y
0.728 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.728 * [taylor]: Taking taylor expansion of y in y
0.728 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.728 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.728 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.728 * [taylor]: Taking taylor expansion of x in x
0.728 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.728 * [taylor]: Taking taylor expansion of y in x
0.728 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.728 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.728 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.728 * [taylor]: Taking taylor expansion of x in x
0.728 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.728 * [taylor]: Taking taylor expansion of y in x
0.728 * [taylor]: Taking taylor expansion of 1 in y
0.728 * [taylor]: Taking taylor expansion of 0 in y
0.728 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.728 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.728 * [taylor]: Taking taylor expansion of y in y
0.729 * [taylor]: Taking taylor expansion of 0 in y
0.729 * [taylor]: Taking taylor expansion of 0 in y
0.741 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.741 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.741 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.741 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.741 * [taylor]: Taking taylor expansion of x in y
0.741 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.741 * [taylor]: Taking taylor expansion of y in y
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 (pow x 2)) (/ 1 y)) in x
0.741 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.742 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.742 * [taylor]: Taking taylor expansion of x in x
0.742 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.742 * [taylor]: Taking taylor expansion of y in x
0.742 * [taylor]: Taking taylor expansion of 1 in y
0.742 * [taylor]: Taking taylor expansion of 0 in y
0.742 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.742 * [taylor]: Taking taylor expansion of y in y
0.742 * [taylor]: Taking taylor expansion of 0 in y
0.743 * [taylor]: Taking taylor expansion of 0 in y
0.743 * * * [progress]: simplifying candidates
0.744 * [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)
0.783 * * [simplify]: iteration  0 :  4994  enodes  (cost  111 )
0.783 * * [simplify]: iteration  1 :  4994  enodes  (cost  111 )
0.785 * [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)
0.785 * * * [progress]: adding candidates to table
0.804 * * [progress]: iteration 2 / 4
0.804 * * * [progress]: picking best candidate
0.806 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))>
0.806 * * * [progress]: localizing error
0.814 * * * [progress]: generating rewritten candidates
0.814 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.824 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2 2)
0.829 * * * [progress]: generating series expansions
0.829 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.829 * [approximate]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in (x y) around 0
0.829 * [taylor]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in y
0.829 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in y
0.829 * [taylor]: Taking taylor expansion of x in y
0.829 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.829 * [taylor]: Taking taylor expansion of y in y
0.829 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in y
0.829 * [taylor]: Taking taylor expansion of x in y
0.829 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.829 * [taylor]: Taking taylor expansion of y in y
0.829 * [taylor]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in x
0.829 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.829 * [taylor]: Taking taylor expansion of x in x
0.829 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.829 * [taylor]: Taking taylor expansion of y in x
0.829 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.829 * [taylor]: Taking taylor expansion of x in x
0.829 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.829 * [taylor]: Taking taylor expansion of y in x
0.829 * [taylor]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in x
0.830 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.830 * [taylor]: Taking taylor expansion of x in x
0.830 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.830 * [taylor]: Taking taylor expansion of y in x
0.830 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.830 * [taylor]: Taking taylor expansion of x in x
0.830 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.830 * [taylor]: Taking taylor expansion of y in x
0.830 * [taylor]: Taking taylor expansion of (* -1 y) in y
0.830 * [taylor]: Taking taylor expansion of -1 in y
0.830 * [taylor]: Taking taylor expansion of y in y
0.830 * [taylor]: Taking taylor expansion of 0 in y
0.831 * [taylor]: Taking taylor expansion of 1 in y
0.831 * [taylor]: Taking taylor expansion of 0 in y
0.831 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in (x y) around 0
0.831 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in y
0.831 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in y
0.831 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.831 * [taylor]: Taking taylor expansion of x in y
0.831 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.831 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.831 * [taylor]: Taking taylor expansion of y in y
0.831 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in y
0.831 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.831 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.831 * [taylor]: Taking taylor expansion of y in y
0.832 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.832 * [taylor]: Taking taylor expansion of x in y
0.832 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in x
0.832 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in x
0.832 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.832 * [taylor]: Taking taylor expansion of x in x
0.832 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.832 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.832 * [taylor]: Taking taylor expansion of y in x
0.832 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in x
0.832 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.832 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.832 * [taylor]: Taking taylor expansion of y in x
0.832 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.832 * [taylor]: Taking taylor expansion of x in x
0.832 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in x
0.832 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in x
0.832 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.832 * [taylor]: Taking taylor expansion of x in x
0.832 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.832 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.832 * [taylor]: Taking taylor expansion of y in x
0.832 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in x
0.832 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.832 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.832 * [taylor]: Taking taylor expansion of y in x
0.832 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.832 * [taylor]: Taking taylor expansion of x in x
0.832 * [taylor]: Taking taylor expansion of 1 in y
0.833 * [taylor]: Taking taylor expansion of 0 in y
0.833 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.833 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.833 * [taylor]: Taking taylor expansion of y in y
0.833 * [taylor]: Taking taylor expansion of 0 in y
0.834 * [taylor]: Taking taylor expansion of 0 in y
0.835 * [taylor]: Taking taylor expansion of 0 in y
0.835 * [approximate]: Taking taylor expansion of (* -1 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in (x y) around 0
0.835 * [taylor]: Taking taylor expansion of (* -1 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in y
0.835 * [taylor]: Taking taylor expansion of -1 in y
0.835 * [taylor]: Taking taylor expansion of (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x))) in y
0.835 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in y
0.835 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.835 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.835 * [taylor]: Taking taylor expansion of -1 in y
0.835 * [taylor]: Taking taylor expansion of y in y
0.835 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.835 * [taylor]: Taking taylor expansion of x in y
0.835 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in y
0.835 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.835 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.835 * [taylor]: Taking taylor expansion of -1 in y
0.835 * [taylor]: Taking taylor expansion of y in y
0.835 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.835 * [taylor]: Taking taylor expansion of x in y
0.835 * [taylor]: Taking taylor expansion of (* -1 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in x
0.835 * [taylor]: Taking taylor expansion of -1 in x
0.835 * [taylor]: Taking taylor expansion of (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x))) in x
0.836 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.836 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.836 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.836 * [taylor]: Taking taylor expansion of -1 in x
0.836 * [taylor]: Taking taylor expansion of y in x
0.836 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.836 * [taylor]: Taking taylor expansion of x in x
0.836 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in x
0.836 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.836 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.836 * [taylor]: Taking taylor expansion of -1 in x
0.836 * [taylor]: Taking taylor expansion of y in x
0.836 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.836 * [taylor]: Taking taylor expansion of x in x
0.836 * [taylor]: Taking taylor expansion of (* -1 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in x
0.836 * [taylor]: Taking taylor expansion of -1 in x
0.836 * [taylor]: Taking taylor expansion of (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x))) in x
0.836 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.836 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.836 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.836 * [taylor]: Taking taylor expansion of -1 in x
0.836 * [taylor]: Taking taylor expansion of y in x
0.836 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.836 * [taylor]: Taking taylor expansion of x in x
0.836 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in x
0.836 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.836 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.836 * [taylor]: Taking taylor expansion of -1 in x
0.837 * [taylor]: Taking taylor expansion of y in x
0.837 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.837 * [taylor]: Taking taylor expansion of x in x
0.837 * [taylor]: Taking taylor expansion of 1 in y
0.837 * [taylor]: Taking taylor expansion of 0 in y
0.837 * [taylor]: Taking taylor expansion of (neg (pow (sqrt (/ -1 y)) 2)) in y
0.837 * [taylor]: Taking taylor expansion of (pow (sqrt (/ -1 y)) 2) in y
0.837 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.837 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.837 * [taylor]: Taking taylor expansion of -1 in y
0.837 * [taylor]: Taking taylor expansion of y in y
0.838 * [taylor]: Taking taylor expansion of 0 in y
0.839 * [taylor]: Taking taylor expansion of 0 in y
0.840 * [taylor]: Taking taylor expansion of 0 in y
0.841 * * * * [progress]: [ 2 / 2 ] generating series at (2 2 2)
0.841 * [approximate]: Taking taylor expansion of (- x (sqrt y)) in (x y) around 0
0.841 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in y
0.841 * [taylor]: Taking taylor expansion of x in y
0.841 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.841 * [taylor]: Taking taylor expansion of y in y
0.841 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.841 * [taylor]: Taking taylor expansion of x in x
0.841 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.841 * [taylor]: Taking taylor expansion of y in x
0.841 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.841 * [taylor]: Taking taylor expansion of x in x
0.841 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.841 * [taylor]: Taking taylor expansion of y in x
0.841 * [taylor]: Taking taylor expansion of (neg (sqrt y)) in y
0.841 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.841 * [taylor]: Taking taylor expansion of y in y
0.841 * [taylor]: Taking taylor expansion of 1 in y
0.841 * [taylor]: Taking taylor expansion of 0 in y
0.842 * [approximate]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in (x y) around 0
0.842 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in y
0.842 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.842 * [taylor]: Taking taylor expansion of x in y
0.842 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.842 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.842 * [taylor]: Taking taylor expansion of y in y
0.842 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in x
0.842 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.842 * [taylor]: Taking taylor expansion of x in x
0.842 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.842 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.842 * [taylor]: Taking taylor expansion of y in x
0.842 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in x
0.842 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.842 * [taylor]: Taking taylor expansion of x in x
0.842 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.842 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.842 * [taylor]: Taking taylor expansion of y in x
0.843 * [taylor]: Taking taylor expansion of 1 in y
0.843 * [taylor]: Taking taylor expansion of (neg (sqrt (/ 1 y))) in y
0.843 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.843 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.843 * [taylor]: Taking taylor expansion of y in y
0.843 * [taylor]: Taking taylor expansion of 0 in y
0.843 * [taylor]: Taking taylor expansion of 0 in y
0.844 * [approximate]: Taking taylor expansion of (neg (+ (sqrt (/ -1 y)) (/ 1 x))) in (x y) around 0
0.844 * [taylor]: Taking taylor expansion of (neg (+ (sqrt (/ -1 y)) (/ 1 x))) 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 -1 in y
0.844 * [taylor]: Taking taylor expansion of 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 (neg (+ (sqrt (/ -1 y)) (/ 1 x))) in x
0.844 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.844 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.844 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.844 * [taylor]: Taking taylor expansion of -1 in x
0.844 * [taylor]: Taking taylor expansion of y in x
0.844 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.844 * [taylor]: Taking taylor expansion of x in x
0.844 * [taylor]: Taking taylor expansion of (neg (+ (sqrt (/ -1 y)) (/ 1 x))) in x
0.844 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.844 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.844 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.844 * [taylor]: Taking taylor expansion of -1 in x
0.844 * [taylor]: Taking taylor expansion of y in x
0.844 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.844 * [taylor]: Taking taylor expansion of x in x
0.845 * [taylor]: Taking taylor expansion of (neg 1) in y
0.845 * [taylor]: Taking taylor expansion of 1 in y
0.845 * [taylor]: Taking taylor expansion of (neg (sqrt (/ -1 y))) in y
0.845 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.845 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.845 * [taylor]: Taking taylor expansion of -1 in y
0.845 * [taylor]: Taking taylor expansion of y in y
0.845 * [taylor]: Taking taylor expansion of 0 in y
0.845 * [taylor]: Taking taylor expansion of 0 in y
0.846 * * * [progress]: simplifying candidates
0.846 * [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))
  (- (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)
0.892 * * [simplify]: iteration  0 :  5096  enodes  (cost  502 )
0.895 * [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)))
  (neg (+ y (* x (sqrt y))))
  (* x (+ x (sqrt y)))
  (neg (+ 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))
  (* (+ 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))
  (- (* x x) y)
  (- (* x x) y)
  (+ (* x x) (- (* 2 (/ (pow NAN 4) y)) (* NAN NAN)))
  (- x (* y (+ NAN (* y (pow NAN 3)))))
  (- x (+ NAN (/ (pow NAN 3) y)))
  (+ x (- (/ (pow NAN 3) y) NAN))
0.895 * * * [progress]: adding candidates to table
0.947 * [progress]: [Phase 3 of 3] Extracting.
0.947 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* 0.5 (- (* x x) y)))> #<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))>)
0.948 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (- (* x x) y) (* 0.5 (- (* x x) y)) y x)
0.948 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (* 0.5 (- (* x x) y)))> #<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))>)
0.984 * * * * [regimes]: Trying to branch on (- (* x x) y) from (#<alt (λ (x y) (* 0.5 (- (* x x) y)))> #<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))>)
1.016 * * * * [regimes]: Trying to branch on (* 0.5 (- (* x x) y)) from (#<alt (λ (x y) (* 0.5 (- (* x x) y)))> #<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))>)
1.052 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* 0.5 (- (* x x) y)))> #<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))>)
1.085 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* 0.5 (- (* x x) y)))> #<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))>)
1.116 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
1.117 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
1.118 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
1.118 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
1.118 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
1.735 * [regime-testing]: End program error score: 0.013851033362464071