0.732 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.241 * * * [progress]: [2/2] Setting up program.
0.245 * [progress]: [Phase 2 of 3] Improving.
0.247 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.678 * * [simplify]: iteration  0 :  228  enodes  (cost  7 )
0.678 * * [simplify]: iteration  1 :  228  enodes  (cost  7 )
0.679 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.682 * * [progress]: iteration 1 / 4
0.682 * * * [progress]: picking best candidate
0.684 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.684 * * * [progress]: localizing error
0.691 * * * [progress]: generating rewritten candidates
0.691 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.699 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.715 * * * [progress]: generating series expansions
0.716 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.720 * [approximate]: Taking taylor expansion of (* 0.5 (- (pow x 2) y)) in (x y) around 0
0.721 * [taylor]: Taking taylor expansion of (* 0.5 (- (pow x 2) y)) in y
0.721 * [taylor]: Taking taylor expansion of 0.5 in y
0.721 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.721 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.721 * [taylor]: Taking taylor expansion of x in y
0.721 * [taylor]: Taking taylor expansion of y in y
0.721 * [taylor]: Taking taylor expansion of (* 0.5 (- (pow x 2) y)) in x
0.721 * [taylor]: Taking taylor expansion of 0.5 in x
0.721 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.721 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.721 * [taylor]: Taking taylor expansion of x in x
0.721 * [taylor]: Taking taylor expansion of y in x
0.722 * [taylor]: Taking taylor expansion of (* 0.5 (- (pow x 2) y)) in x
0.722 * [taylor]: Taking taylor expansion of 0.5 in x
0.722 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.722 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.722 * [taylor]: Taking taylor expansion of x in x
0.722 * [taylor]: Taking taylor expansion of y in x
0.722 * [taylor]: Taking taylor expansion of (* -0.5 y) in y
0.722 * [taylor]: Taking taylor expansion of -0.5 in y
0.723 * [taylor]: Taking taylor expansion of y in y
0.723 * [taylor]: Taking taylor expansion of 0 in y
0.723 * [taylor]: Taking taylor expansion of 0.5 in y
0.723 * [taylor]: Taking taylor expansion of 0 in y
0.724 * [approximate]: Taking taylor expansion of (* 0.5 (- (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.724 * [taylor]: Taking taylor expansion of (* 0.5 (- (/ 1 (pow x 2)) (/ 1 y))) in y
0.724 * [taylor]: Taking taylor expansion of 0.5 in y
0.724 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.724 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.724 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.724 * [taylor]: Taking taylor expansion of x in y
0.724 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.724 * [taylor]: Taking taylor expansion of y in y
0.724 * [taylor]: Taking taylor expansion of (* 0.5 (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.724 * [taylor]: Taking taylor expansion of 0.5 in x
0.724 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.724 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.724 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.724 * [taylor]: Taking taylor expansion of x in x
0.725 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.725 * [taylor]: Taking taylor expansion of y in x
0.725 * [taylor]: Taking taylor expansion of (* 0.5 (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.725 * [taylor]: Taking taylor expansion of 0.5 in x
0.725 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.725 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) 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 (/ 1 y) in x
0.725 * [taylor]: Taking taylor expansion of y in x
0.725 * [taylor]: Taking taylor expansion of 0.5 in y
0.725 * [taylor]: Taking taylor expansion of 0 in y
0.725 * [taylor]: Taking taylor expansion of (neg (* 0.5 (/ 1 y))) in y
0.725 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.725 * [taylor]: Taking taylor expansion of 0.5 in y
0.725 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.725 * [taylor]: Taking taylor expansion of y in y
0.726 * [taylor]: Taking taylor expansion of 0 in y
0.726 * [taylor]: Taking taylor expansion of 0 in y
0.727 * [approximate]: Taking taylor expansion of (* 0.5 (+ (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.727 * [taylor]: Taking taylor expansion of (* 0.5 (+ (/ 1 (pow x 2)) (/ 1 y))) in y
0.727 * [taylor]: Taking taylor expansion of 0.5 in y
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
0.727 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.727 * [taylor]: Taking taylor expansion of y in y
0.727 * [taylor]: Taking taylor expansion of (* 0.5 (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.727 * [taylor]: Taking taylor expansion of 0.5 in x
0.727 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.727 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.727 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.727 * [taylor]: Taking taylor expansion of x in x
0.727 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.727 * [taylor]: Taking taylor expansion of y in x
0.727 * [taylor]: Taking taylor expansion of (* 0.5 (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.727 * [taylor]: Taking taylor expansion of 0.5 in x
0.727 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.727 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.727 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.727 * [taylor]: Taking taylor expansion of x in x
0.727 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.727 * [taylor]: Taking taylor expansion of y in x
0.727 * [taylor]: Taking taylor expansion of 0.5 in y
0.728 * [taylor]: Taking taylor expansion of 0 in y
0.728 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.728 * [taylor]: Taking taylor expansion of 0.5 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 0 in y
0.728 * [taylor]: Taking taylor expansion of 0 in y
0.729 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.729 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0
0.729 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.729 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.729 * [taylor]: Taking taylor expansion of x in y
0.729 * [taylor]: Taking taylor expansion of y in y
0.729 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.729 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.729 * [taylor]: Taking taylor expansion of x in x
0.729 * [taylor]: Taking taylor expansion of y in x
0.729 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x
0.729 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.729 * [taylor]: Taking taylor expansion of x in x
0.729 * [taylor]: Taking taylor expansion of y in x
0.729 * [taylor]: Taking taylor expansion of (neg y) in y
0.729 * [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 1 in y
0.729 * [taylor]: Taking taylor expansion of 0 in y
0.729 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.729 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.729 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.729 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.729 * [taylor]: Taking taylor expansion of x in y
0.729 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.730 * [taylor]: Taking taylor expansion of y in y
0.730 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.730 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.730 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.730 * [taylor]: Taking taylor expansion of x in x
0.730 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.730 * [taylor]: Taking taylor expansion of y in x
0.730 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.730 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.730 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.730 * [taylor]: Taking taylor expansion of x in x
0.730 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.730 * [taylor]: Taking taylor expansion of y in x
0.730 * [taylor]: Taking taylor expansion of 1 in y
0.730 * [taylor]: Taking taylor expansion of 0 in y
0.730 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.730 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.730 * [taylor]: Taking taylor expansion of y in y
0.730 * [taylor]: Taking taylor expansion of 0 in y
0.731 * [taylor]: Taking taylor expansion of 0 in y
0.731 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.731 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.731 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.731 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.731 * [taylor]: Taking taylor expansion of x in y
0.731 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.731 * [taylor]: Taking taylor expansion of y in y
0.731 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.731 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.731 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.731 * [taylor]: Taking taylor expansion of x in x
0.731 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.731 * [taylor]: Taking taylor expansion of y in x
0.731 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.731 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.731 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.731 * [taylor]: Taking taylor expansion of x in x
0.731 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.731 * [taylor]: Taking taylor expansion of y in x
0.731 * [taylor]: Taking taylor expansion of 1 in y
0.731 * [taylor]: Taking taylor expansion of 0 in y
0.732 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.732 * [taylor]: Taking taylor expansion of y in y
0.732 * [taylor]: Taking taylor expansion of 0 in y
0.732 * [taylor]: Taking taylor expansion of 0 in y
0.732 * * * [progress]: simplifying candidates
0.733 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
  (+ (log 0.5) (log (- (* x x) y)))
  (log (* 0.5 (- (* x x) y)))
  (exp (* 0.5 (- (* x x) y)))
  (* (* (* 0.5 0.5) 0.5) (* (* (- (* x x) y) (- (* x x) y)) (- (* x x) y)))
  (* (cbrt (* 0.5 (- (* x x) y))) (cbrt (* 0.5 (- (* x x) y))))
  (cbrt (* 0.5 (- (* x x) y)))
  (* (* (* 0.5 (- (* x x) y)) (* 0.5 (- (* x x) y))) (* 0.5 (- (* x x) y)))
  (sqrt (* 0.5 (- (* x x) y)))
  (sqrt (* 0.5 (- (* x x) y)))
  (* (sqrt 0.5) (sqrt (- (* x x) y)))
  (* (sqrt 0.5) (sqrt (- (* x x) y)))
  (* 0.5 (* x x))
  (* 0.5 (neg y))
  (* (* x x) 0.5)
  (* (neg y) 0.5)
  (* 0.5 (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y))))
  (* 0.5 (sqrt (- (* x x) y)))
  (* 0.5 1)
  (* 0.5 (+ x (sqrt y)))
  (* (cbrt 0.5) (- (* x x) y))
  (* (sqrt 0.5) (- (* x x) y))
  (* 0.5 (- (* x x) y))
  (* 0.5 (- (pow (* x x) 3) (pow y 3)))
  (* 0.5 (- (* (* x x) (* x x)) (* y y)))
  (/ (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))
  (- (* 0.5 (pow x 2)) (* 0.5 y))
  (- (* 0.5 (pow x 2)) (* 0.5 y))
  (- (* 0.5 (pow x 2)) (* 0.5 y))
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
0.772 * * [simplify]: iteration  0 :  5172  enodes  (cost  329 )
0.774 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
  (log (* 0.5 (- (* x x) y)))
  (log (* 0.5 (- (* x x) y)))
  (pow (exp (- (* x x) y)) 0.5)
  (pow (* 0.5 (- (* x x) y)) 3)
  (* (cbrt (* 0.5 (- (* x x) y))) (cbrt (* 0.5 (- (* x x) y))))
  (cbrt (* 0.5 (- (* x x) y)))
  (pow (* 0.5 (- (* x x) y)) 3)
  (sqrt (* 0.5 (- (* x x) y)))
  (sqrt (* 0.5 (- (* x x) y)))
  (* (sqrt 0.5) (sqrt (- (* x x) y)))
  (* (sqrt 0.5) (sqrt (- (* x x) y)))
  (* 0.5 (* x x))
  (* 0.5 (neg y))
  (* 0.5 (* x x))
  (* 0.5 (neg y))
  (* 0.5 (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y))))
  (* 0.5 (sqrt (- (* x x) y)))
  0.5
  (* 0.5 (+ x (sqrt y)))
  (* (- (* x x) y) (cbrt 0.5))
  (* (- (* x x) y) (sqrt 0.5))
  (* 0.5 (- (* x x) y))
  (* 0.5 (- (pow x 6) (pow y 3)))
  (* 0.5 (- (pow x 4) (* y y)))
  (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))
  (* 0.5 (- (* x x) y))
  (* 0.5 (- (* x x) y))
  (* 0.5 (- (* x x) y))
  (- (* x x) y)
  (- (* x x) y)
  (- (* x x) y)
0.774 * * * [progress]: adding candidates to table
0.809 * * [progress]: iteration 2 / 4
0.809 * * * [progress]: picking best candidate
0.811 * * * * [pick]: Picked  #<alt (λ (x y) (* (* 0.5 (+ x (sqrt y))) (- x (sqrt y))))>
0.812 * * * [progress]: localizing error
0.819 * * * [progress]: generating rewritten candidates
0.819 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.834 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 2)
0.839 * * * [progress]: generating series expansions
0.839 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.839 * [approximate]: Taking taylor expansion of (* 0.5 (* (- x (sqrt y)) (+ x (sqrt y)))) in (x y) around 0
0.839 * [taylor]: Taking taylor expansion of (* 0.5 (* (- x (sqrt y)) (+ x (sqrt y)))) in y
0.839 * [taylor]: Taking taylor expansion of 0.5 in y
0.839 * [taylor]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in y
0.839 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in y
0.839 * [taylor]: Taking taylor expansion of x in y
0.839 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.839 * [taylor]: Taking taylor expansion of y in y
0.840 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in y
0.840 * [taylor]: Taking taylor expansion of x in y
0.840 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.840 * [taylor]: Taking taylor expansion of y in y
0.840 * [taylor]: Taking taylor expansion of (* 0.5 (* (- x (sqrt y)) (+ x (sqrt y)))) in x
0.840 * [taylor]: Taking taylor expansion of 0.5 in x
0.840 * [taylor]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in x
0.840 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.840 * [taylor]: Taking taylor expansion of x in x
0.840 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.840 * [taylor]: Taking taylor expansion of y in x
0.840 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.840 * [taylor]: Taking taylor expansion of x in x
0.840 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.840 * [taylor]: Taking taylor expansion of y in x
0.840 * [taylor]: Taking taylor expansion of (* 0.5 (* (- x (sqrt y)) (+ x (sqrt y)))) in x
0.840 * [taylor]: Taking taylor expansion of 0.5 in x
0.840 * [taylor]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in x
0.840 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.840 * [taylor]: Taking taylor expansion of x in x
0.840 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.840 * [taylor]: Taking taylor expansion of y in x
0.840 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.840 * [taylor]: Taking taylor expansion of x in x
0.840 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.840 * [taylor]: Taking taylor expansion of y in x
0.840 * [taylor]: Taking taylor expansion of (* -0.5 y) in y
0.840 * [taylor]: Taking taylor expansion of -0.5 in y
0.840 * [taylor]: Taking taylor expansion of y in y
0.840 * [taylor]: Taking taylor expansion of 0 in y
0.841 * [taylor]: Taking taylor expansion of 0.5 in y
0.841 * [taylor]: Taking taylor expansion of 0 in y
0.842 * [approximate]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x)))) in (x y) around 0
0.842 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x)))) in y
0.842 * [taylor]: Taking taylor expansion of 0.5 in y
0.842 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in y
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 (+ (sqrt (/ 1 y)) (/ 1 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) in y
0.842 * [taylor]: Taking taylor expansion of x in y
0.842 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x)))) in x
0.842 * [taylor]: Taking taylor expansion of 0.5 in x
0.842 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) 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
0.842 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 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 x) in x
0.843 * [taylor]: Taking taylor expansion of x in x
0.843 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x)))) in x
0.843 * [taylor]: Taking taylor expansion of 0.5 in x
0.843 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in x
0.843 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in x
0.843 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.843 * [taylor]: Taking taylor expansion of x in x
0.843 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.843 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.843 * [taylor]: Taking taylor expansion of y in x
0.843 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in x
0.843 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.843 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.843 * [taylor]: Taking taylor expansion of y in x
0.843 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.843 * [taylor]: Taking taylor expansion of x in x
0.843 * [taylor]: Taking taylor expansion of 0.5 in y
0.843 * [taylor]: Taking taylor expansion of 0 in y
0.844 * [taylor]: Taking taylor expansion of (neg (* 0.5 (/ 1 y))) in y
0.844 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.844 * [taylor]: Taking taylor expansion of 0.5 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 0 in y
0.845 * [taylor]: Taking taylor expansion of 0 in y
0.846 * [taylor]: Taking taylor expansion of 0 in y
0.846 * [approximate]: Taking taylor expansion of (* -0.5 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in (x y) around 0
0.846 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in y
0.846 * [taylor]: Taking taylor expansion of -0.5 in y
0.846 * [taylor]: Taking taylor expansion of (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x))) in y
0.846 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in y
0.846 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.846 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.846 * [taylor]: Taking taylor expansion of -1 in y
0.846 * [taylor]: Taking taylor expansion of y in y
0.846 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.846 * [taylor]: Taking taylor expansion of x in y
0.846 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in y
0.846 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.846 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.846 * [taylor]: Taking taylor expansion of -1 in y
0.846 * [taylor]: Taking taylor expansion of y in y
0.847 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.847 * [taylor]: Taking taylor expansion of x in y
0.847 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in x
0.847 * [taylor]: Taking taylor expansion of -0.5 in x
0.847 * [taylor]: Taking taylor expansion of (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x))) in x
0.847 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.847 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.847 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.847 * [taylor]: Taking taylor expansion of -1 in x
0.847 * [taylor]: Taking taylor expansion of y in x
0.847 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.847 * [taylor]: Taking taylor expansion of x in x
0.847 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in x
0.847 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.847 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.847 * [taylor]: Taking taylor expansion of -1 in x
0.847 * [taylor]: Taking taylor expansion of y in x
0.847 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.847 * [taylor]: Taking taylor expansion of x in x
0.847 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in x
0.847 * [taylor]: Taking taylor expansion of -0.5 in x
0.847 * [taylor]: Taking taylor expansion of (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x))) in x
0.847 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.847 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.847 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.847 * [taylor]: Taking taylor expansion of -1 in x
0.847 * [taylor]: Taking taylor expansion of y in x
0.848 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.848 * [taylor]: Taking taylor expansion of x in x
0.848 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in x
0.848 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.848 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.848 * [taylor]: Taking taylor expansion of -1 in x
0.848 * [taylor]: Taking taylor expansion of y in x
0.848 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.848 * [taylor]: Taking taylor expansion of x in x
0.848 * [taylor]: Taking taylor expansion of 0.5 in y
0.848 * [taylor]: Taking taylor expansion of 0 in y
0.848 * [taylor]: Taking taylor expansion of (neg (* 0.5 (pow (sqrt (/ -1 y)) 2))) in y
0.848 * [taylor]: Taking taylor expansion of (* 0.5 (pow (sqrt (/ -1 y)) 2)) in y
0.848 * [taylor]: Taking taylor expansion of 0.5 in y
0.848 * [taylor]: Taking taylor expansion of (pow (sqrt (/ -1 y)) 2) in y
0.849 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.849 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.849 * [taylor]: Taking taylor expansion of -1 in y
0.849 * [taylor]: Taking taylor expansion of y in y
0.849 * [taylor]: Taking taylor expansion of 0 in y
0.850 * [taylor]: Taking taylor expansion of 0 in y
0.851 * [taylor]: Taking taylor expansion of 0 in y
0.852 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 2)
0.852 * [approximate]: Taking taylor expansion of (+ x (sqrt y)) in (x y) around 0
0.852 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in y
0.852 * [taylor]: Taking taylor expansion of x in y
0.852 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.852 * [taylor]: Taking taylor expansion of y in y
0.852 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.852 * [taylor]: Taking taylor expansion of x in x
0.852 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.852 * [taylor]: Taking taylor expansion of y in x
0.852 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.852 * [taylor]: Taking taylor expansion of x in x
0.852 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.852 * [taylor]: Taking taylor expansion of y in x
0.853 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.853 * [taylor]: Taking taylor expansion of y in y
0.853 * [taylor]: Taking taylor expansion of 1 in y
0.853 * [taylor]: Taking taylor expansion of 0 in y
0.853 * [approximate]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in (x y) around 0
0.853 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in y
0.853 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.853 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.853 * [taylor]: Taking taylor expansion of y in y
0.853 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.854 * [taylor]: Taking taylor expansion of x in y
0.854 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in x
0.854 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.854 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.854 * [taylor]: Taking taylor expansion of y in x
0.854 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.854 * [taylor]: Taking taylor expansion of x in x
0.854 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in x
0.854 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.854 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.854 * [taylor]: Taking taylor expansion of y in x
0.854 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.854 * [taylor]: Taking taylor expansion of x in x
0.854 * [taylor]: Taking taylor expansion of 1 in y
0.854 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.854 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.854 * [taylor]: Taking taylor expansion of y in y
0.854 * [taylor]: Taking taylor expansion of 0 in y
0.854 * [taylor]: Taking taylor expansion of 0 in y
0.855 * [approximate]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in (x y) around 0
0.855 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 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 -1 in y
0.855 * [taylor]: Taking taylor expansion of 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)) (/ 1 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 -1 in x
0.855 * [taylor]: Taking taylor expansion of 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)) (/ 1 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 -1 in x
0.855 * [taylor]: Taking taylor expansion of 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 (neg 1) in y
0.856 * [taylor]: Taking taylor expansion of 1 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 -1 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
0.856 * * * [progress]: simplifying candidates
0.857 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* 0.5 (+ x (sqrt y))) (- x (sqrt y)))
  (* (* 0.5 (+ x (sqrt y))) (- x (sqrt y)))
  (+ (+ (log 0.5) (log (+ x (sqrt y)))) (log (- x (sqrt y))))
  (+ (log (* 0.5 (+ x (sqrt y)))) (log (- x (sqrt y))))
  (log (* (* 0.5 (+ x (sqrt y))) (- x (sqrt y))))
  (exp (* (* 0.5 (+ x (sqrt y))) (- x (sqrt y))))
  (* (* (* (* 0.5 0.5) 0.5) (* (* (+ x (sqrt y)) (+ x (sqrt y))) (+ x (sqrt y)))) (* (* (- x (sqrt y)) (- x (sqrt y))) (- x (sqrt y))))
  (* (* (* (* 0.5 (+ x (sqrt y))) (* 0.5 (+ x (sqrt y)))) (* 0.5 (+ x (sqrt y)))) (* (* (- x (sqrt y)) (- x (sqrt y))) (- x (sqrt y))))
  (* (cbrt (* (* 0.5 (+ x (sqrt y))) (- x (sqrt y)))) (cbrt (* (* 0.5 (+ x (sqrt y))) (- x (sqrt y)))))
  (cbrt (* (* 0.5 (+ x (sqrt y))) (- x (sqrt y))))
  (* (* (* (* 0.5 (+ x (sqrt y))) (- x (sqrt y))) (* (* 0.5 (+ x (sqrt y))) (- x (sqrt y)))) (* (* 0.5 (+ x (sqrt y))) (- x (sqrt y))))
  (sqrt (* (* 0.5 (+ x (sqrt y))) (- x (sqrt y))))
  (sqrt (* (* 0.5 (+ x (sqrt y))) (- x (sqrt y))))
  (* (* 0.5 (+ (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)))))
  (* (* 0.5 (+ (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)))
  (* (* 0.5 (- (* 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)))))
  (* (* 0.5 (- (* x x) (* (sqrt y) (sqrt y)))) (- (* x x) (* (sqrt y) (sqrt y))))
  (* (- x (sqrt y)) (+ x (sqrt y)))
  (* (* 0.5 (+ x (sqrt y))) x)
  (* (* 0.5 (+ x (sqrt y))) (neg (sqrt y)))
  (* x (* 0.5 (+ x (sqrt y))))
  (* (neg (sqrt y)) (* 0.5 (+ x (sqrt y))))
  (* (* 0.5 (+ x (sqrt y))) (* (cbrt (- x (sqrt y))) (cbrt (- x (sqrt y)))))
  (* (* 0.5 (+ x (sqrt y))) (sqrt (- x (sqrt y))))
  (* (* 0.5 (+ x (sqrt y))) 1)
  (* (* 0.5 (+ x (sqrt y))) (+ (sqrt x) (sqrt (sqrt y))))
  (* (* 0.5 (+ x (sqrt y))) (+ (sqrt x) (sqrt (sqrt y))))
  (* (* 0.5 (+ x (sqrt y))) 1)
  (* (+ x (sqrt y)) (- x (sqrt y)))
  (* (* 0.5 (+ x (sqrt y))) (- (pow x 3) (pow (sqrt y) 3)))
  (* (* 0.5 (+ x (sqrt y))) (- (* x x) (* (sqrt y) (sqrt y))))
  (* (* 0.5 (+ (pow x 3) (pow (sqrt y) 3))) (- x (sqrt y)))
  (* (* 0.5 (- (* 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))))
  (- (* x x) (* (sqrt y) (sqrt y)))
  (- x (sqrt y))
  (+ x (sqrt y))
  (- (* 0.5 (pow x 2)) (* 0.5 y))
  (- (* 0.5 (pow x 2)) (* 0.5 y))
  (- (+ (* 0.5 (pow x 2)) (* 1.0 (/ (pow NAN 4) y))) (* 0.5 (pow NAN 2)))
  (+ (* (pow NAN 3) (pow y 2)) (+ x (* NAN y)))
  (+ (/ (pow NAN 3) y) (+ NAN x))
  (- (+ NAN x) (/ (pow NAN 3) y))
0.904 * * [simplify]: iteration  0 :  4966  enodes  (cost  516 )
0.904 * * [simplify]: iteration  1 :  4966  enodes  (cost  516 )
0.906 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
  (* 0.5 (- (* x x) y))
  (log (* 0.5 (- (* x x) y)))
  (log (* 0.5 (- (* x x) y)))
  (log (* 0.5 (- (* x x) y)))
  (pow (exp 0.5) (- (* x x) y))
  (pow (* 0.5 (- (* x x) y)) 3)
  (pow (* 0.5 (- (* x x) y)) 3)
  (* (cbrt (* 0.5 (- (* x x) y))) (cbrt (* 0.5 (- (* x x) y))))
  (cbrt (* 0.5 (- (* x x) y)))
  (pow (* 0.5 (- (* x x) y)) 3)
  (sqrt (* 0.5 (- (* x x) y)))
  (sqrt (* 0.5 (- (* x x) y)))
  (* 0.5 (* (+ (pow x 3) (pow y 3/2)) (- (pow x 3) (pow y 3/2))))
  (* (+ y (* x (- x (sqrt y)))) (+ y (* x (+ x (sqrt y)))))
  (* 0.5 (* (+ (pow x 3) (pow y 3/2)) (- (* x x) y)))
  (* (+ x (sqrt y)) (+ y (* x (- x (sqrt y)))))
  (* 0.5 (* (- (pow x 3) (pow y 3/2)) (- (* x x) y)))
  (* (- x (sqrt y)) (+ y (* x (+ x (sqrt y)))))
  (* 0.5 (* (- (* x x) y) (- (* x x) y)))
  (- (* x x) y)
  (* 0.5 (* x (+ x (sqrt y))))
  (* 0.5 (- (* x (neg (sqrt y))) y))
  (* 0.5 (* x (+ x (sqrt y))))
  (* 0.5 (- (* x (neg (sqrt y))) y))
  (* 0.5 (* (+ x (sqrt y)) (* (cbrt (- x (sqrt y))) (cbrt (- x (sqrt y))))))
  (* 0.5 (* (+ x (sqrt y)) (sqrt (- x (sqrt y)))))
  (* 0.5 (+ x (sqrt y)))
  (* 0.5 (* (+ x (sqrt y)) (+ (sqrt x) (sqrt (sqrt y)))))
  (* 0.5 (* (+ x (sqrt y)) (+ (sqrt x) (sqrt (sqrt y)))))
  (* 0.5 (+ x (sqrt y)))
  (- (* x x) y)
  (* 0.5 (* (+ x (sqrt y)) (- (pow x 3) (pow y 3/2))))
  (* 0.5 (* (+ x (sqrt y)) (- (* x x) y)))
  (* 0.5 (* (- x (sqrt y)) (+ (pow x 3) (pow y 3/2))))
  (* 0.5 (* (- 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))))
  (- (* x x) y)
  (- x (sqrt y))
  (+ x (sqrt y))
  (* 0.5 (- (* x x) y))
  (* 0.5 (- (* x x) y))
  (+ (* 1.0 (/ (pow NAN 4) y)) (* 0.5 (- (* x x) (* NAN NAN))))
  (+ x (* y (+ NAN (* y (pow NAN 3)))))
  (+ x (+ NAN (/ (pow NAN 3) y)))
  (+ x (- NAN (/ (pow NAN 3) y)))
0.907 * * * [progress]: adding candidates to table
0.953 * [progress]: [Phase 3 of 3] Extracting.
0.953 * * [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))))>)
0.954 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (- (* x x) y) (* 0.5 (- (* x x) y)) y x)
0.954 * * * * [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))))>)
1.017 * * * * [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))))>)
1.048 * * * * [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))))>)
1.078 * * * * [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))))>)
1.109 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
1.110 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
1.110 * * [simplify]: iteration  0 :  17  enodes  (cost  7 )
1.110 * * [simplify]: iteration  1 :  17  enodes  (cost  7 )
1.111 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
1.666 * [regime-testing]: End program error score: 0.014501812726590823