25.679 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.013 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (sqrt (+ (* x x) y))
0.016 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
0.016 * * [simplify]: iteration  1 :  6  enodes  (cost  6 )
0.017 * * [simplify]: iteration  done :  6  enodes  (cost  6 )
0.017 * [simplify]: Simplified to:
   (sqrt (+ (* x x) y))
0.017 * * [progress]: iteration 1 / 4
0.017 * * * [progress]: picking best candidate
0.019 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) y)))>
0.019 * * * [progress]: localizing error
0.023 * * * [progress]: generating rewritten candidates
0.023 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.028 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.031 * * * [progress]: generating series expansions
0.031 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.031 * [approximate]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in (x y) around 0
0.031 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in y
0.031 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.031 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.031 * [taylor]: Taking taylor expansion of x in y
0.031 * [taylor]: Taking taylor expansion of y in y
0.032 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.032 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.032 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.032 * [taylor]: Taking taylor expansion of x in x
0.032 * [taylor]: Taking taylor expansion of y in x
0.032 * [taylor]: Taking taylor expansion of (sqrt (+ (pow x 2) y)) in x
0.032 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.032 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.032 * [taylor]: Taking taylor expansion of x in x
0.032 * [taylor]: Taking taylor expansion of y in x
0.033 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.033 * [taylor]: Taking taylor expansion of y in y
0.034 * [taylor]: Taking taylor expansion of 0 in y
0.035 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.035 * [taylor]: Taking taylor expansion of 1/2 in y
0.035 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.035 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.035 * [taylor]: Taking taylor expansion of y in y
0.040 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.040 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in y
0.040 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.040 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.040 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.040 * [taylor]: Taking taylor expansion of x in y
0.040 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.042 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.042 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.042 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.044 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow x 2)) (/ 1 y))) in x
0.044 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.044 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.044 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.045 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of 1 in y
0.047 * [taylor]: Taking taylor expansion of 0 in y
0.049 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.049 * [taylor]: Taking taylor expansion of 1/2 in y
0.049 * [taylor]: Taking taylor expansion of y in y
0.051 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.054 * [taylor]: Taking taylor expansion of -1/8 in y
0.054 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.054 * [taylor]: Taking taylor expansion of y in y
0.056 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in (x y) around 0
0.056 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in y
0.056 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.056 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.056 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.056 * [taylor]: Taking taylor expansion of x in y
0.056 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.058 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.058 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.058 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.059 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.059 * [taylor]: Taking taylor expansion of y in x
0.061 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) (/ 1 y))) in x
0.061 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.061 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.061 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.061 * [taylor]: Taking taylor expansion of y in x
0.063 * [taylor]: Taking taylor expansion of 1 in y
0.063 * [taylor]: Taking taylor expansion of 0 in y
0.065 * [taylor]: Taking taylor expansion of (/ -1/2 y) in y
0.065 * [taylor]: Taking taylor expansion of -1/2 in y
0.065 * [taylor]: Taking taylor expansion of y in y
0.072 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [taylor]: Taking taylor expansion of (/ -1/8 (pow y 2)) in y
0.075 * [taylor]: Taking taylor expansion of -1/8 in y
0.075 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.075 * [taylor]: Taking taylor expansion of y in y
0.076 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.077 * [approximate]: Taking taylor expansion of (+ (pow x 2) y) in (x y) around 0
0.077 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in y
0.077 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.077 * [taylor]: Taking taylor expansion of x in y
0.077 * [taylor]: Taking taylor expansion of y in y
0.077 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.077 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [taylor]: Taking taylor expansion of y in x
0.077 * [taylor]: Taking taylor expansion of (+ (pow x 2) y) in x
0.077 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [taylor]: Taking taylor expansion of y in x
0.077 * [taylor]: Taking taylor expansion of y in y
0.077 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [taylor]: Taking taylor expansion of 1 in y
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.079 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.079 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.079 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.079 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.079 * [taylor]: Taking taylor expansion of x in y
0.079 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.079 * [taylor]: Taking taylor expansion of y in y
0.079 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.079 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.080 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of 1 in y
0.082 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.084 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.087 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.087 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.087 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.087 * [taylor]: Taking taylor expansion of x in y
0.087 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.087 * [taylor]: Taking taylor expansion of y in y
0.087 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.087 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.087 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.088 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.089 * [taylor]: Taking taylor expansion of 1 in y
0.090 * [taylor]: Taking taylor expansion of 0 in y
0.091 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.091 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.091 * [taylor]: Taking taylor expansion of y in y
0.093 * [taylor]: Taking taylor expansion of 0 in y
0.095 * [taylor]: Taking taylor expansion of 0 in y
0.096 * * * [progress]: simplifying candidates
0.096 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (log (sqrt (+ (* x x) y)))
  (exp (sqrt (+ (* x x) y)))
  (* (cbrt (sqrt (+ (* x x) y))) (cbrt (sqrt (+ (* x x) y))))
  (cbrt (sqrt (+ (* x x) y)))
  (* (* (sqrt (+ (* x x) y)) (sqrt (+ (* x x) y))) (sqrt (+ (* x x) y)))
  (sqrt (* (cbrt (+ (* x x) y)) (cbrt (+ (* x x) y))))
  (sqrt (cbrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt 1)
  (sqrt (+ (* x x) y))
  (sqrt (+ (pow (* x x) 3) (pow y 3)))
  (sqrt (+ (* (* x x) (* x x)) (- (* y y) (* (* x x) y))))
  (sqrt (- (* (* x x) (* x x)) (* y y)))
  (sqrt (- (* x x) y))
  (/ 1 2)
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) 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)))
  (- (* (* x x) (* x x)) (* y y))
  (- (* x x) y)
  (- (+ (* +nan.0 (pow x 2)) (- (+ (* +nan.0 (pow y 2)) (- (* +nan.0 y))))))
  (+ x (* 1/2 (/ y x)))
  (- (+ x (* 1/2 (/ y x))))
  (+ (pow x 2) y)
  (+ (pow x 2) y)
  (+ (pow x 2) y)
0.098 * * [simplify]: iteration  0 :  59  enodes  (cost  319 )
0.110 * * [simplify]: iteration  1 :  141  enodes  (cost  294 )
0.142 * * [simplify]: iteration  2 :  385  enodes  (cost  258 )
0.293 * * [simplify]: iteration  3 :  1086  enodes  (cost  255 )
1.216 * * [simplify]: iteration  4 :  3425  enodes  (cost  254 )
3.312 * * [simplify]: iteration  done :  5000  enodes  (cost  254 )
3.313 * [simplify]: Simplified to:
   (log (sqrt (+ (* x x) y)))
  (exp (sqrt (+ (* x x) y)))
  (* (cbrt (sqrt (+ (* x x) y))) (cbrt (sqrt (+ (* x x) y))))
  (cbrt (sqrt (+ (* x x) y)))
  (pow (sqrt (+ (* x x) y)) 3)
  (fabs (cbrt (+ (* x x) y)))
  (sqrt (cbrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) y)))
  1
  (sqrt (+ (* x x) y))
  (sqrt (+ (pow y 3) (pow x 6)))
  (sqrt (+ (pow x 4) (* y (- y (* x x)))))
  (sqrt (- (pow x 4) (* y y)))
  (sqrt (- (* x x) y))
  1/2
  (sqrt (sqrt (+ (* x x) y)))
  (sqrt (sqrt (+ (* x x) 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 (+ (pow x 2) y) 3)
  (sqrt (+ (* x x) y))
  (sqrt (+ (* x x) y))
  (+ (pow y 3) (pow x 6))
  (+ (pow x 4) (* y (- y (* x x))))
  (- (pow x 4) (* y y))
  (- (pow x 2) y)
  (* +nan.0 (- (- (* y y) y) (* x x)))
  (+ x (* 1/2 (/ y x)))
  (- (* (/ y x) -1/2) x)
  (+ y (pow x 2))
  (+ y (pow x 2))
  (+ y (pow x 2))
3.313 * * * [progress]: adding candidates to table
3.602 * * [progress]: iteration 2 / 4
3.602 * * * [progress]: picking best candidate
3.605 * * * * [pick]: Picked  #<alt (λ (x y) (- (* (/ y x) -1/2) x))>
3.605 * * * [progress]: localizing error
3.609 * * * [progress]: generating rewritten candidates
3.609 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
3.614 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
3.622 * * * [progress]: generating series expansions
3.622 * * * * [progress]: [ 1 / 2 ] generating series at (2)
3.622 * [approximate]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in (y x) around 0
3.622 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in x
3.622 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
3.622 * [taylor]: Taking taylor expansion of x in x
3.622 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
3.623 * [taylor]: Taking taylor expansion of 1/2 in x
3.623 * [taylor]: Taking taylor expansion of (/ y x) in x
3.623 * [taylor]: Taking taylor expansion of y in x
3.623 * [taylor]: Taking taylor expansion of x in x
3.623 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in y
3.623 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
3.623 * [taylor]: Taking taylor expansion of x in y
3.623 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
3.623 * [taylor]: Taking taylor expansion of 1/2 in y
3.623 * [taylor]: Taking taylor expansion of (/ y x) in y
3.623 * [taylor]: Taking taylor expansion of y in y
3.623 * [taylor]: Taking taylor expansion of x in y
3.623 * [taylor]: Taking taylor expansion of (- (+ x (* 1/2 (/ y x)))) in y
3.623 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
3.623 * [taylor]: Taking taylor expansion of x in y
3.623 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
3.623 * [taylor]: Taking taylor expansion of 1/2 in y
3.623 * [taylor]: Taking taylor expansion of (/ y x) in y
3.623 * [taylor]: Taking taylor expansion of y in y
3.623 * [taylor]: Taking taylor expansion of x in y
3.623 * [taylor]: Taking taylor expansion of (- x) in x
3.623 * [taylor]: Taking taylor expansion of x in x
3.623 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ 1 x))) in x
3.623 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
3.623 * [taylor]: Taking taylor expansion of 1/2 in x
3.623 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.623 * [taylor]: Taking taylor expansion of x in x
3.625 * [taylor]: Taking taylor expansion of 0 in x
3.628 * [taylor]: Taking taylor expansion of 0 in x
3.631 * [taylor]: Taking taylor expansion of 0 in x
3.632 * [approximate]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in (y x) around 0
3.632 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in x
3.632 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
3.632 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
3.632 * [taylor]: Taking taylor expansion of 1/2 in x
3.633 * [taylor]: Taking taylor expansion of (/ x y) in x
3.633 * [taylor]: Taking taylor expansion of x in x
3.633 * [taylor]: Taking taylor expansion of y in x
3.633 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.633 * [taylor]: Taking taylor expansion of x in x
3.633 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in y
3.633 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
3.633 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
3.633 * [taylor]: Taking taylor expansion of 1/2 in y
3.633 * [taylor]: Taking taylor expansion of (/ x y) in y
3.633 * [taylor]: Taking taylor expansion of x in y
3.633 * [taylor]: Taking taylor expansion of y in y
3.633 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.633 * [taylor]: Taking taylor expansion of x in y
3.633 * [taylor]: Taking taylor expansion of (- (+ (* 1/2 (/ x y)) (/ 1 x))) in y
3.633 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
3.633 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
3.633 * [taylor]: Taking taylor expansion of 1/2 in y
3.633 * [taylor]: Taking taylor expansion of (/ x y) in y
3.633 * [taylor]: Taking taylor expansion of x in y
3.633 * [taylor]: Taking taylor expansion of y in y
3.633 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.633 * [taylor]: Taking taylor expansion of x in y
3.633 * [taylor]: Taking taylor expansion of (- (* 1/2 x)) in x
3.633 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
3.633 * [taylor]: Taking taylor expansion of 1/2 in x
3.633 * [taylor]: Taking taylor expansion of x in x
3.634 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
3.634 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.634 * [taylor]: Taking taylor expansion of x in x
3.638 * [taylor]: Taking taylor expansion of 0 in x
3.641 * [taylor]: Taking taylor expansion of 0 in x
3.647 * [taylor]: Taking taylor expansion of 0 in x
3.648 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in (y x) around 0
3.648 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in x
3.648 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.648 * [taylor]: Taking taylor expansion of x in x
3.648 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
3.648 * [taylor]: Taking taylor expansion of 1/2 in x
3.648 * [taylor]: Taking taylor expansion of (/ x y) in x
3.648 * [taylor]: Taking taylor expansion of x in x
3.648 * [taylor]: Taking taylor expansion of y in x
3.648 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
3.648 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.648 * [taylor]: Taking taylor expansion of x in y
3.648 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
3.648 * [taylor]: Taking taylor expansion of 1/2 in y
3.648 * [taylor]: Taking taylor expansion of (/ x y) in y
3.648 * [taylor]: Taking taylor expansion of x in y
3.648 * [taylor]: Taking taylor expansion of y in y
3.648 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 1/2 (/ x y))) in y
3.648 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.648 * [taylor]: Taking taylor expansion of x in y
3.648 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
3.648 * [taylor]: Taking taylor expansion of 1/2 in y
3.648 * [taylor]: Taking taylor expansion of (/ x y) in y
3.648 * [taylor]: Taking taylor expansion of x in y
3.648 * [taylor]: Taking taylor expansion of y in y
3.649 * [taylor]: Taking taylor expansion of (- (* 1/2 x)) in x
3.649 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
3.649 * [taylor]: Taking taylor expansion of 1/2 in x
3.649 * [taylor]: Taking taylor expansion of x in x
3.650 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.650 * [taylor]: Taking taylor expansion of x in x
3.652 * [taylor]: Taking taylor expansion of 0 in x
3.656 * [taylor]: Taking taylor expansion of 0 in x
3.663 * [taylor]: Taking taylor expansion of 0 in x
3.664 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
3.664 * [approximate]: Taking taylor expansion of (* -1/2 (/ y x)) in (y x) around 0
3.664 * [taylor]: Taking taylor expansion of (* -1/2 (/ y x)) in x
3.664 * [taylor]: Taking taylor expansion of -1/2 in x
3.664 * [taylor]: Taking taylor expansion of (/ y x) in x
3.664 * [taylor]: Taking taylor expansion of y in x
3.664 * [taylor]: Taking taylor expansion of x in x
3.664 * [taylor]: Taking taylor expansion of (* -1/2 (/ y x)) in y
3.664 * [taylor]: Taking taylor expansion of -1/2 in y
3.664 * [taylor]: Taking taylor expansion of (/ y x) in y
3.664 * [taylor]: Taking taylor expansion of y in y
3.664 * [taylor]: Taking taylor expansion of x in y
3.664 * [taylor]: Taking taylor expansion of (* -1/2 (/ y x)) in y
3.664 * [taylor]: Taking taylor expansion of -1/2 in y
3.664 * [taylor]: Taking taylor expansion of (/ y x) in y
3.664 * [taylor]: Taking taylor expansion of y in y
3.664 * [taylor]: Taking taylor expansion of x in y
3.665 * [taylor]: Taking taylor expansion of (/ -1/2 x) in x
3.665 * [taylor]: Taking taylor expansion of -1/2 in x
3.665 * [taylor]: Taking taylor expansion of x in x
3.665 * [taylor]: Taking taylor expansion of 0 in x
3.666 * [taylor]: Taking taylor expansion of 0 in x
3.668 * [taylor]: Taking taylor expansion of 0 in x
3.669 * [approximate]: Taking taylor expansion of (* -1/2 (/ x y)) in (y x) around 0
3.669 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in x
3.669 * [taylor]: Taking taylor expansion of -1/2 in x
3.669 * [taylor]: Taking taylor expansion of (/ x y) in x
3.669 * [taylor]: Taking taylor expansion of x in x
3.669 * [taylor]: Taking taylor expansion of y in x
3.669 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
3.669 * [taylor]: Taking taylor expansion of -1/2 in y
3.669 * [taylor]: Taking taylor expansion of (/ x y) in y
3.669 * [taylor]: Taking taylor expansion of x in y
3.669 * [taylor]: Taking taylor expansion of y in y
3.669 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
3.669 * [taylor]: Taking taylor expansion of -1/2 in y
3.669 * [taylor]: Taking taylor expansion of (/ x y) in y
3.669 * [taylor]: Taking taylor expansion of x in y
3.669 * [taylor]: Taking taylor expansion of y in y
3.669 * [taylor]: Taking taylor expansion of (* -1/2 x) in x
3.669 * [taylor]: Taking taylor expansion of -1/2 in x
3.669 * [taylor]: Taking taylor expansion of x in x
3.670 * [taylor]: Taking taylor expansion of 0 in x
3.672 * [taylor]: Taking taylor expansion of 0 in x
3.675 * [taylor]: Taking taylor expansion of 0 in x
3.675 * [approximate]: Taking taylor expansion of (* -1/2 (/ x y)) in (y x) around 0
3.675 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in x
3.675 * [taylor]: Taking taylor expansion of -1/2 in x
3.675 * [taylor]: Taking taylor expansion of (/ x y) in x
3.675 * [taylor]: Taking taylor expansion of x in x
3.675 * [taylor]: Taking taylor expansion of y in x
3.675 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
3.675 * [taylor]: Taking taylor expansion of -1/2 in y
3.675 * [taylor]: Taking taylor expansion of (/ x y) in y
3.675 * [taylor]: Taking taylor expansion of x in y
3.675 * [taylor]: Taking taylor expansion of y in y
3.675 * [taylor]: Taking taylor expansion of (* -1/2 (/ x y)) in y
3.675 * [taylor]: Taking taylor expansion of -1/2 in y
3.675 * [taylor]: Taking taylor expansion of (/ x y) in y
3.675 * [taylor]: Taking taylor expansion of x in y
3.675 * [taylor]: Taking taylor expansion of y in y
3.675 * [taylor]: Taking taylor expansion of (* -1/2 x) in x
3.675 * [taylor]: Taking taylor expansion of -1/2 in x
3.675 * [taylor]: Taking taylor expansion of x in x
3.677 * [taylor]: Taking taylor expansion of 0 in x
3.679 * [taylor]: Taking taylor expansion of 0 in x
3.681 * [taylor]: Taking taylor expansion of 0 in x
3.681 * * * [progress]: simplifying candidates
3.682 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp (* (/ y x) -1/2)) (exp x))
  (log (- (* (/ y x) -1/2) x))
  (exp (- (* (/ y x) -1/2) x))
  (* (cbrt (- (* (/ y x) -1/2) x)) (cbrt (- (* (/ y x) -1/2) x)))
  (cbrt (- (* (/ y x) -1/2) x))
  (* (* (- (* (/ y x) -1/2) x) (- (* (/ y x) -1/2) x)) (- (* (/ y x) -1/2) x))
  (sqrt (- (* (/ y x) -1/2) x))
  (sqrt (- (* (/ y x) -1/2) x))
  (- (pow (* (/ y x) -1/2) 3) (pow x 3))
  (+ (* (* (/ y x) -1/2) (* (/ y x) -1/2)) (+ (* x x) (* (* (/ y x) -1/2) x)))
  (- x)
  (- (* (* (/ y x) -1/2) (* (/ y x) -1/2)) (* x x))
  (+ (* (/ y x) -1/2) x)
  (- x)
  (* (/ y x) -1/2)
  (+ (- (log y) (log x)) (log -1/2))
  (+ (log (/ y x)) (log -1/2))
  (log (* (/ y x) -1/2))
  (exp (* (/ y x) -1/2))
  (* (/ (* (* y y) y) (* (* x x) x)) (* (* -1/2 -1/2) -1/2))
  (* (* (* (/ y x) (/ y x)) (/ y x)) (* (* -1/2 -1/2) -1/2))
  (* (cbrt (* (/ y x) -1/2)) (cbrt (* (/ y x) -1/2)))
  (cbrt (* (/ y x) -1/2))
  (* (* (* (/ y x) -1/2) (* (/ y x) -1/2)) (* (/ y x) -1/2))
  (sqrt (* (/ y x) -1/2))
  (sqrt (* (/ y x) -1/2))
  (* (sqrt (/ y x)) (sqrt -1/2))
  (* (sqrt (/ y x)) (sqrt -1/2))
  (* (/ (sqrt y) (sqrt x)) (sqrt -1/2))
  (* (/ (sqrt y) (sqrt x)) (sqrt -1/2))
  (* (/ y x) (* (cbrt -1/2) (cbrt -1/2)))
  (* (/ y x) (sqrt -1/2))
  (* (/ y x) 1)
  (* (cbrt (/ y x)) -1/2)
  (* (sqrt (/ y x)) -1/2)
  (* (/ (cbrt y) (cbrt x)) -1/2)
  (* (/ (cbrt y) (sqrt x)) -1/2)
  (* (/ (cbrt y) x) -1/2)
  (* (/ (sqrt y) (cbrt x)) -1/2)
  (* (/ (sqrt y) (sqrt x)) -1/2)
  (* (/ (sqrt y) x) -1/2)
  (* (/ y (cbrt x)) -1/2)
  (* (/ y (sqrt x)) -1/2)
  (* (/ y x) -1/2)
  (* (/ y x) -1/2)
  (* (/ 1 x) -1/2)
  (* y -1/2)
  (- (+ x (* 1/2 (/ y x))))
  (- (+ x (* 1/2 (/ y x))))
  (- (+ x (* 1/2 (/ y x))))
  (* -1/2 (/ y x))
  (* -1/2 (/ y x))
  (* -1/2 (/ y x))
3.685 * * [simplify]: iteration  0 :  91  enodes  (cost  434 )
3.706 * * [simplify]: iteration  1 :  209  enodes  (cost  400 )
3.778 * * [simplify]: iteration  2 :  595  enodes  (cost  376 )
4.275 * * [simplify]: iteration  3 :  1723  enodes  (cost  371 )
6.689 * * [simplify]: iteration  done :  5001  enodes  (cost  371 )
6.689 * [simplify]: Simplified to:
   (exp (- (* (/ y x) -1/2) x))
  (log (- (* (/ y x) -1/2) x))
  (exp (- (* (/ y x) -1/2) x))
  (* (cbrt (- (* (/ y x) -1/2) x)) (cbrt (- (* (/ y x) -1/2) x)))
  (cbrt (- (* (/ y x) -1/2) x))
  (pow (- (* (/ y x) -1/2) x) 3)
  (sqrt (- (* (/ y x) -1/2) x))
  (sqrt (- (* (/ y x) -1/2) x))
  (- (pow (* (/ y x) -1/2) 3) (pow x 3))
  (+ (* x x) (* (+ (* (/ y x) -1/2) x) (* (/ y x) -1/2)))
  (- x)
  (- (* (* (/ y x) (/ y x)) 1/4) (* x x))
  (+ (* (/ y x) -1/2) x)
  (- x)
  (* (/ y x) -1/2)
  (log (* (/ y x) -1/2))
  (log (* (/ y x) -1/2))
  (log (* (/ y x) -1/2))
  (exp (* (/ y x) -1/2))
  (pow (* (/ y x) -1/2) 3)
  (pow (* (/ y x) -1/2) 3)
  (* (cbrt (* (/ y x) -1/2)) (cbrt (* (/ y x) -1/2)))
  (cbrt (* (/ y x) -1/2))
  (pow (* (/ y x) -1/2) 3)
  (sqrt (* (/ y x) -1/2))
  (sqrt (* (/ y x) -1/2))
  (* (sqrt (/ y x)) (sqrt -1/2))
  (* (sqrt (/ y x)) (sqrt -1/2))
  (* (/ (sqrt y) (sqrt x)) (sqrt -1/2))
  (* (/ (sqrt y) (sqrt x)) (sqrt -1/2))
  (* (/ y x) (* (cbrt -1/2) (cbrt -1/2)))
  (* (/ y x) (sqrt -1/2))
  (/ y x)
  (* (cbrt (/ y x)) -1/2)
  (* (sqrt (/ y x)) -1/2)
  (* (/ (cbrt y) (cbrt x)) -1/2)
  (* (/ (cbrt y) (sqrt x)) -1/2)
  (* (/ (cbrt y) x) -1/2)
  (* (/ (sqrt y) (cbrt x)) -1/2)
  (* (/ (sqrt y) (sqrt x)) -1/2)
  (* (/ (sqrt y) x) -1/2)
  (* (/ y (cbrt x)) -1/2)
  (* (/ y (sqrt x)) -1/2)
  (* (/ y x) -1/2)
  (* (/ y x) -1/2)
  (/ -1/2 x)
  (* y -1/2)
  (- (* (/ y x) -1/2) x)
  (- (* (/ y x) -1/2) x)
  (- (* (/ y x) -1/2) x)
  (* (/ y x) -1/2)
  (* (/ y x) -1/2)
  (* (/ y x) -1/2)
6.689 * * * [progress]: adding candidates to table
6.766 * * [progress]: iteration 3 / 4
6.766 * * * [progress]: picking best candidate
6.767 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (* 1/2 (/ y x))))>
6.767 * * * [progress]: localizing error
6.772 * * * [progress]: generating rewritten candidates
6.773 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
6.775 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
6.783 * * * [progress]: generating series expansions
6.783 * * * * [progress]: [ 1 / 2 ] generating series at (2)
6.783 * [approximate]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in (x y) around 0
6.784 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in y
6.784 * [taylor]: Taking taylor expansion of x in y
6.784 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
6.784 * [taylor]: Taking taylor expansion of 1/2 in y
6.784 * [taylor]: Taking taylor expansion of (/ y x) in y
6.784 * [taylor]: Taking taylor expansion of y in y
6.784 * [taylor]: Taking taylor expansion of x in y
6.784 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
6.784 * [taylor]: Taking taylor expansion of x in x
6.784 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
6.784 * [taylor]: Taking taylor expansion of 1/2 in x
6.784 * [taylor]: Taking taylor expansion of (/ y x) in x
6.784 * [taylor]: Taking taylor expansion of y in x
6.784 * [taylor]: Taking taylor expansion of x in x
6.784 * [taylor]: Taking taylor expansion of (+ x (* 1/2 (/ y x))) in x
6.784 * [taylor]: Taking taylor expansion of x in x
6.784 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
6.784 * [taylor]: Taking taylor expansion of 1/2 in x
6.784 * [taylor]: Taking taylor expansion of (/ y x) in x
6.784 * [taylor]: Taking taylor expansion of y in x
6.784 * [taylor]: Taking taylor expansion of x in x
6.784 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
6.784 * [taylor]: Taking taylor expansion of 1/2 in y
6.784 * [taylor]: Taking taylor expansion of y in y
6.786 * [taylor]: Taking taylor expansion of 0 in y
6.788 * [taylor]: Taking taylor expansion of 1 in y
6.791 * [taylor]: Taking taylor expansion of 0 in y
6.792 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
6.792 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in y
6.792 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
6.792 * [taylor]: Taking taylor expansion of 1/2 in y
6.792 * [taylor]: Taking taylor expansion of (/ x y) in y
6.792 * [taylor]: Taking taylor expansion of x in y
6.792 * [taylor]: Taking taylor expansion of y in y
6.792 * [taylor]: Taking taylor expansion of (/ 1 x) in y
6.792 * [taylor]: Taking taylor expansion of x in y
6.792 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
6.792 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
6.792 * [taylor]: Taking taylor expansion of 1/2 in x
6.792 * [taylor]: Taking taylor expansion of (/ x y) in x
6.792 * [taylor]: Taking taylor expansion of x in x
6.792 * [taylor]: Taking taylor expansion of y in x
6.792 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.792 * [taylor]: Taking taylor expansion of x in x
6.792 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) (/ 1 x)) in x
6.792 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
6.792 * [taylor]: Taking taylor expansion of 1/2 in x
6.792 * [taylor]: Taking taylor expansion of (/ x y) in x
6.792 * [taylor]: Taking taylor expansion of x in x
6.792 * [taylor]: Taking taylor expansion of y in x
6.792 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.792 * [taylor]: Taking taylor expansion of x in x
6.793 * [taylor]: Taking taylor expansion of 1 in y
6.794 * [taylor]: Taking taylor expansion of 0 in y
6.794 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
6.794 * [taylor]: Taking taylor expansion of 1/2 in y
6.794 * [taylor]: Taking taylor expansion of (/ 1 y) in y
6.794 * [taylor]: Taking taylor expansion of y in y
6.796 * [taylor]: Taking taylor expansion of 0 in y
6.798 * [taylor]: Taking taylor expansion of 0 in y
6.799 * [approximate]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in (x y) around 0
6.799 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in y
6.799 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
6.799 * [taylor]: Taking taylor expansion of 1/2 in y
6.799 * [taylor]: Taking taylor expansion of (/ x y) in y
6.799 * [taylor]: Taking taylor expansion of x in y
6.799 * [taylor]: Taking taylor expansion of y in y
6.799 * [taylor]: Taking taylor expansion of (/ 1 x) in y
6.799 * [taylor]: Taking taylor expansion of x in y
6.799 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
6.799 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
6.799 * [taylor]: Taking taylor expansion of 1/2 in x
6.799 * [taylor]: Taking taylor expansion of (/ x y) in x
6.799 * [taylor]: Taking taylor expansion of x in x
6.799 * [taylor]: Taking taylor expansion of y in x
6.799 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.799 * [taylor]: Taking taylor expansion of x in x
6.799 * [taylor]: Taking taylor expansion of (- (* 1/2 (/ x y)) (/ 1 x)) in x
6.799 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
6.799 * [taylor]: Taking taylor expansion of 1/2 in x
6.799 * [taylor]: Taking taylor expansion of (/ x y) in x
6.799 * [taylor]: Taking taylor expansion of x in x
6.799 * [taylor]: Taking taylor expansion of y in x
6.799 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.799 * [taylor]: Taking taylor expansion of x in x
6.800 * [taylor]: Taking taylor expansion of -1 in y
6.801 * [taylor]: Taking taylor expansion of 0 in y
6.802 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
6.802 * [taylor]: Taking taylor expansion of 1/2 in y
6.802 * [taylor]: Taking taylor expansion of (/ 1 y) in y
6.802 * [taylor]: Taking taylor expansion of y in y
6.804 * [taylor]: Taking taylor expansion of 0 in y
6.807 * [taylor]: Taking taylor expansion of 0 in y
6.807 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
6.807 * [approximate]: Taking taylor expansion of (* 1/2 (/ y x)) in (y x) around 0
6.807 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
6.807 * [taylor]: Taking taylor expansion of 1/2 in x
6.807 * [taylor]: Taking taylor expansion of (/ y x) in x
6.807 * [taylor]: Taking taylor expansion of y in x
6.807 * [taylor]: Taking taylor expansion of x in x
6.807 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
6.807 * [taylor]: Taking taylor expansion of 1/2 in y
6.807 * [taylor]: Taking taylor expansion of (/ y x) in y
6.807 * [taylor]: Taking taylor expansion of y in y
6.807 * [taylor]: Taking taylor expansion of x in y
6.807 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
6.807 * [taylor]: Taking taylor expansion of 1/2 in y
6.807 * [taylor]: Taking taylor expansion of (/ y x) in y
6.807 * [taylor]: Taking taylor expansion of y in y
6.807 * [taylor]: Taking taylor expansion of x in y
6.807 * [taylor]: Taking taylor expansion of (/ 1/2 x) in x
6.807 * [taylor]: Taking taylor expansion of 1/2 in x
6.807 * [taylor]: Taking taylor expansion of x in x
6.808 * [taylor]: Taking taylor expansion of 0 in x
6.809 * [taylor]: Taking taylor expansion of 0 in x
6.814 * [taylor]: Taking taylor expansion of 0 in x
6.814 * [approximate]: Taking taylor expansion of (* 1/2 (/ x y)) in (y x) around 0
6.815 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
6.815 * [taylor]: Taking taylor expansion of 1/2 in x
6.815 * [taylor]: Taking taylor expansion of (/ x y) in x
6.815 * [taylor]: Taking taylor expansion of x in x
6.815 * [taylor]: Taking taylor expansion of y in x
6.815 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
6.815 * [taylor]: Taking taylor expansion of 1/2 in y
6.815 * [taylor]: Taking taylor expansion of (/ x y) in y
6.815 * [taylor]: Taking taylor expansion of x in y
6.815 * [taylor]: Taking taylor expansion of y in y
6.815 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
6.815 * [taylor]: Taking taylor expansion of 1/2 in y
6.815 * [taylor]: Taking taylor expansion of (/ x y) in y
6.815 * [taylor]: Taking taylor expansion of x in y
6.815 * [taylor]: Taking taylor expansion of y in y
6.815 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
6.815 * [taylor]: Taking taylor expansion of 1/2 in x
6.815 * [taylor]: Taking taylor expansion of x in x
6.816 * [taylor]: Taking taylor expansion of 0 in x
6.819 * [taylor]: Taking taylor expansion of 0 in x
6.821 * [taylor]: Taking taylor expansion of 0 in x
6.822 * [approximate]: Taking taylor expansion of (* 1/2 (/ x y)) in (y x) around 0
6.822 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
6.822 * [taylor]: Taking taylor expansion of 1/2 in x
6.822 * [taylor]: Taking taylor expansion of (/ x y) in x
6.822 * [taylor]: Taking taylor expansion of x in x
6.822 * [taylor]: Taking taylor expansion of y in x
6.822 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
6.822 * [taylor]: Taking taylor expansion of 1/2 in y
6.822 * [taylor]: Taking taylor expansion of (/ x y) in y
6.822 * [taylor]: Taking taylor expansion of x in y
6.822 * [taylor]: Taking taylor expansion of y in y
6.822 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
6.822 * [taylor]: Taking taylor expansion of 1/2 in y
6.822 * [taylor]: Taking taylor expansion of (/ x y) in y
6.822 * [taylor]: Taking taylor expansion of x in y
6.822 * [taylor]: Taking taylor expansion of y in y
6.822 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
6.822 * [taylor]: Taking taylor expansion of 1/2 in x
6.822 * [taylor]: Taking taylor expansion of x in x
6.823 * [taylor]: Taking taylor expansion of 0 in x
6.825 * [taylor]: Taking taylor expansion of 0 in x
6.828 * [taylor]: Taking taylor expansion of 0 in x
6.828 * * * [progress]: simplifying candidates
6.829 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp x) (exp (* 1/2 (/ y x))))
  (log (+ x (* 1/2 (/ y x))))
  (exp (+ x (* 1/2 (/ y x))))
  (* (cbrt (+ x (* 1/2 (/ y x)))) (cbrt (+ x (* 1/2 (/ y x)))))
  (cbrt (+ x (* 1/2 (/ y x))))
  (* (* (+ x (* 1/2 (/ y x))) (+ x (* 1/2 (/ y x)))) (+ x (* 1/2 (/ y x))))
  (sqrt (+ x (* 1/2 (/ y x))))
  (sqrt (+ x (* 1/2 (/ y x))))
  (+ (pow x 3) (pow (* 1/2 (/ y x)) 3))
  (+ (* x x) (- (* (* 1/2 (/ y x)) (* 1/2 (/ y x))) (* x (* 1/2 (/ y x)))))
  (- (* x x) (* (* 1/2 (/ y x)) (* 1/2 (/ y x))))
  (- x (* 1/2 (/ y x)))
  (* 1/2 (/ y x))
  (+ (log 1/2) (- (log y) (log x)))
  (+ (log 1/2) (log (/ y x)))
  (log (* 1/2 (/ y x)))
  (exp (* 1/2 (/ y x)))
  (* (* (* 1/2 1/2) 1/2) (/ (* (* y y) y) (* (* x x) x)))
  (* (* (* 1/2 1/2) 1/2) (* (* (/ y x) (/ y x)) (/ y x)))
  (* (cbrt (* 1/2 (/ y x))) (cbrt (* 1/2 (/ y x))))
  (cbrt (* 1/2 (/ y x)))
  (* (* (* 1/2 (/ y x)) (* 1/2 (/ y x))) (* 1/2 (/ y x)))
  (sqrt (* 1/2 (/ y x)))
  (sqrt (* 1/2 (/ y x)))
  (* (sqrt 1/2) (sqrt (/ y x)))
  (* (sqrt 1/2) (sqrt (/ y x)))
  (* (sqrt 1/2) (/ (sqrt y) (sqrt x)))
  (* (sqrt 1/2) (/ (sqrt y) (sqrt x)))
  (* 1/2 (* (cbrt (/ y x)) (cbrt (/ y x))))
  (* 1/2 (sqrt (/ y x)))
  (* 1/2 (/ (* (cbrt y) (cbrt y)) (* (cbrt x) (cbrt x))))
  (* 1/2 (/ (* (cbrt y) (cbrt y)) (sqrt x)))
  (* 1/2 (/ (* (cbrt y) (cbrt y)) 1))
  (* 1/2 (/ (sqrt y) (* (cbrt x) (cbrt x))))
  (* 1/2 (/ (sqrt y) (sqrt x)))
  (* 1/2 (/ (sqrt y) 1))
  (* 1/2 (/ 1 (* (cbrt x) (cbrt x))))
  (* 1/2 (/ 1 (sqrt x)))
  (* 1/2 (/ 1 1))
  (* 1/2 1)
  (* 1/2 y)
  (* (cbrt 1/2) (/ y x))
  (* (sqrt 1/2) (/ y x))
  (* 1/2 (/ y x))
  (* 1/2 y)
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (* 1/2 (/ y x))
  (* 1/2 (/ y x))
  (* 1/2 (/ y x))
6.831 * * [simplify]: iteration  0 :  87  enodes  (cost  443 )
6.855 * * [simplify]: iteration  1 :  226  enodes  (cost  397 )
6.903 * * [simplify]: iteration  2 :  623  enodes  (cost  373 )
7.185 * * [simplify]: iteration  3 :  1930  enodes  (cost  372 )
8.842 * * [simplify]: iteration  done :  5001  enodes  (cost  372 )
8.842 * [simplify]: Simplified to:
   (exp (+ x (* 1/2 (/ y x))))
  (log (+ x (* 1/2 (/ y x))))
  (exp (+ x (* 1/2 (/ y x))))
  (* (cbrt (+ x (* 1/2 (/ y x)))) (cbrt (+ x (* 1/2 (/ y x)))))
  (cbrt (+ x (* 1/2 (/ y x))))
  (pow (+ x (* 1/2 (/ y x))) 3)
  (sqrt (+ x (* 1/2 (/ y x))))
  (sqrt (+ x (* 1/2 (/ y x))))
  (+ (pow x 3) (pow (* 1/2 (/ y x)) 3))
  (+ (* x x) (* (* 1/2 (/ y x)) (- (* 1/2 (/ y x)) x)))
  (- (* x x) (* 1/4 (* (/ y x) (/ y x))))
  (- x (* 1/2 (/ y x)))
  (* 1/2 (/ y x))
  (log (* 1/2 (/ y x)))
  (log (* 1/2 (/ y x)))
  (log (* 1/2 (/ y x)))
  (sqrt (exp (/ y x)))
  (pow (* 1/2 (/ y x)) 3)
  (pow (* 1/2 (/ y x)) 3)
  (* (cbrt (* 1/2 (/ y x))) (cbrt (* 1/2 (/ y x))))
  (cbrt (* 1/2 (/ y x)))
  (pow (* 1/2 (/ y x)) 3)
  (sqrt (* 1/2 (/ y x)))
  (sqrt (* 1/2 (/ y x)))
  (* (sqrt 1/2) (sqrt (/ y x)))
  (* (sqrt 1/2) (sqrt (/ y x)))
  (* (sqrt 1/2) (/ (sqrt y) (sqrt x)))
  (* (sqrt 1/2) (/ (sqrt y) (sqrt x)))
  (* 1/2 (* (cbrt (/ y x)) (cbrt (/ y x))))
  (* 1/2 (sqrt (/ y x)))
  (* 1/2 (/ (* (cbrt y) (cbrt y)) (* (cbrt x) (cbrt x))))
  (* 1/2 (/ (* (cbrt y) (cbrt y)) (sqrt x)))
  (* (* (cbrt y) (cbrt y)) 1/2)
  (* 1/2 (/ (sqrt y) (* (cbrt x) (cbrt x))))
  (* 1/2 (/ (sqrt y) (sqrt x)))
  (* 1/2 (sqrt y))
  (/ 1/2 (* (cbrt x) (cbrt x)))
  (/ 1/2 (sqrt x))
  1/2
  1/2
  (* 1/2 y)
  (* (cbrt 1/2) (/ y x))
  (* (sqrt 1/2) (/ y x))
  (* 1/2 (/ y x))
  (* 1/2 y)
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (+ x (* 1/2 (/ y x)))
  (* 1/2 (/ y x))
  (* 1/2 (/ y x))
  (* 1/2 (/ y x))
8.842 * * * [progress]: adding candidates to table
8.918 * [progress]: [Phase 3 of 3] Extracting.
8.918 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
8.919 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (+ (* x x) y) (sqrt (+ (* x x) y)) y x)
8.919 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
8.936 * * * * [regimes]: Trying to branch on (+ (* x x) y) from (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
8.952 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) y)) from (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
8.972 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
9.016 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
9.039 * * * [regime]: Found split indices: #<option (#s(si 0 56) #s(si 2 213) #s(si 1 255))>
9.040 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
9.070 * [regimes]: Found splitpoints: (#s(sp 0 x -1.3374804328684521e+154) #s(sp 2 x 1.7963572810955448e+152) #s(sp 1 x +nan.0)) , with alts (#<alt (λ (x y) (- (* (/ y x) -1/2) x))> #<alt (λ (x y) (+ x (* 1/2 (/ y x))))> #<alt (λ (x y) (sqrt (+ (* x x) y)))>)
9.070 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (if (<= x -1.3374804328684521e+154) (- (* (/ y x) -1/2) x) (if (<= x 1.7963572810955448e+152) (sqrt (+ (* x x) y)) (+ x (* 1/2 (/ y x)))))
9.071 * * [simplify]: iteration  0 :  18  enodes  (cost  28 )
9.071 * * [simplify]: iteration  1 :  22  enodes  (cost  28 )
9.072 * * [simplify]: iteration  done :  22  enodes  (cost  28 )
9.072 * [simplify]: Simplified to:
   (if (<= x -1.3374804328684521e+154) (- (* (/ y x) -1/2) x) (if (<= x 1.7963572810955448e+152) (sqrt (+ (* x x) y)) (+ x (* 1/2 (/ y x)))))
9.547 * [regime-testing]: Baseline error score: 21.270283785473183
9.548 * [regime-testing]: Oracle error score: 0.002250281285160645
9.550 * [regime-testing]: End program error score: 0.003625453181647706
9.578 * [regime-testing]: Target error score: 0.4236665618146582