0.130 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (* (* x 2.0) y) (- x y))
0.015 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.016 * * [simplify]: iteration  1 :  15  enodes  (cost  9 )
0.018 * * [simplify]: iteration  2 :  35  enodes  (cost  9 )
0.023 * * [simplify]: iteration  3 :  71  enodes  (cost  9 )
0.032 * * [simplify]: iteration  4 :  122  enodes  (cost  9 )
0.049 * * [simplify]: iteration  5 :  158  enodes  (cost  9 )
0.067 * * [simplify]: iteration  6 :  176  enodes  (cost  9 )
0.087 * * [simplify]: iteration  7 :  181  enodes  (cost  9 )
0.106 * * [simplify]: iteration  done :  181  enodes  (cost  9 )
0.106 * [simplify]: Simplified to:
   (/ (* (* x 2.0) y) (- x y))
0.107 * * [progress]: iteration 1 / 4
0.107 * * * [progress]: picking best candidate
0.108 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (* x 2.0) y) (- x y)))>
0.108 * * * [progress]: localizing error
0.115 * * * [progress]: generating rewritten candidates
0.115 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.126 * * * [progress]: generating series expansions
0.126 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.127 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.127 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.127 * [taylor]: Taking taylor expansion of 2.0 in y
0.127 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.127 * [taylor]: Taking taylor expansion of (* x y) in y
0.127 * [taylor]: Taking taylor expansion of x in y
0.127 * [taylor]: Taking taylor expansion of y in y
0.127 * [taylor]: Taking taylor expansion of (- x y) in y
0.127 * [taylor]: Taking taylor expansion of x in y
0.127 * [taylor]: Taking taylor expansion of y in y
0.128 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.128 * [taylor]: Taking taylor expansion of 2.0 in x
0.128 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.128 * [taylor]: Taking taylor expansion of (* x y) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.128 * [taylor]: Taking taylor expansion of (- x y) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.128 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.128 * [taylor]: Taking taylor expansion of 2.0 in x
0.128 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.128 * [taylor]: Taking taylor expansion of (* x y) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.128 * [taylor]: Taking taylor expansion of (- x y) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.129 * [taylor]: Taking taylor expansion of -2.0 in y
0.131 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.131 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.131 * [taylor]: Taking taylor expansion of 2.0 in y
0.131 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.131 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.134 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.135 * [taylor]: Taking taylor expansion of 2.0 in y
0.135 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.135 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.135 * [taylor]: Taking taylor expansion of y in y
0.140 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.140 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.140 * [taylor]: Taking taylor expansion of 2.0 in y
0.140 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.140 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.140 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.140 * [taylor]: Taking taylor expansion of x in y
0.140 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.140 * [taylor]: Taking taylor expansion of y in y
0.141 * [taylor]: Taking taylor expansion of (* x y) in y
0.141 * [taylor]: Taking taylor expansion of x in y
0.141 * [taylor]: Taking taylor expansion of y in y
0.143 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.143 * [taylor]: Taking taylor expansion of 2.0 in x
0.143 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.143 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.143 * [taylor]: Taking taylor expansion of y in x
0.143 * [taylor]: Taking taylor expansion of (* x y) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of y in x
0.144 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.144 * [taylor]: Taking taylor expansion of 2.0 in x
0.144 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.144 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.144 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.144 * [taylor]: Taking taylor expansion of x in x
0.145 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.145 * [taylor]: Taking taylor expansion of y in x
0.145 * [taylor]: Taking taylor expansion of (* x y) in x
0.145 * [taylor]: Taking taylor expansion of x in x
0.145 * [taylor]: Taking taylor expansion of y in x
0.146 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.146 * [taylor]: Taking taylor expansion of 2.0 in y
0.146 * [taylor]: Taking taylor expansion of y in y
0.152 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.152 * [taylor]: Taking taylor expansion of 2.0 in y
0.152 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.152 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.152 * [taylor]: Taking taylor expansion of y in y
0.159 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.159 * [taylor]: Taking taylor expansion of 2.0 in y
0.159 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.159 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.159 * [taylor]: Taking taylor expansion of y in y
0.168 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.168 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.168 * [taylor]: Taking taylor expansion of 2.0 in y
0.168 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.168 * [taylor]: Taking taylor expansion of x in y
0.168 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.168 * [taylor]: Taking taylor expansion of y in y
0.168 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.168 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.168 * [taylor]: Taking taylor expansion of y in y
0.168 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.168 * [taylor]: Taking taylor expansion of x in y
0.170 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.170 * [taylor]: Taking taylor expansion of 2.0 in x
0.170 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.170 * [taylor]: Taking taylor expansion of x in x
0.170 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.170 * [taylor]: Taking taylor expansion of y in x
0.170 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.170 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.170 * [taylor]: Taking taylor expansion of y in x
0.170 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.170 * [taylor]: Taking taylor expansion of x in x
0.172 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.172 * [taylor]: Taking taylor expansion of 2.0 in x
0.172 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.172 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.172 * [taylor]: Taking taylor expansion of y in x
0.172 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.172 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.172 * [taylor]: Taking taylor expansion of y in x
0.172 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.174 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.174 * [taylor]: Taking taylor expansion of -2.0 in y
0.174 * [taylor]: Taking taylor expansion of y in y
0.177 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.177 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.177 * [taylor]: Taking taylor expansion of 2.0 in y
0.177 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.177 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.177 * [taylor]: Taking taylor expansion of y in y
0.184 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.184 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.184 * [taylor]: Taking taylor expansion of 2.0 in y
0.184 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.184 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.184 * [taylor]: Taking taylor expansion of y in y
0.192 * * * [progress]: simplifying candidates
0.193 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (* (* x 2.0) y) (- x y)))
  (log1p (/ (* (* x 2.0) y) (- x y)))
  (- (+ (+ (log x) (log 2.0)) (log y)) (log (- x y)))
  (- (+ (log (* x 2.0)) (log y)) (log (- x y)))
  (- (log (* (* x 2.0) y)) (log (- x y)))
  (log (/ (* (* x 2.0) y) (- x y)))
  (exp (/ (* (* x 2.0) y) (- x y)))
  (/ (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* y y) y)) (* (* (- x y) (- x y)) (- x y)))
  (/ (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* y y) y)) (* (* (- x y) (- x y)) (- x y)))
  (/ (* (* (* (* x 2.0) y) (* (* x 2.0) y)) (* (* x 2.0) y)) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (/ (* (* x 2.0) y) (- x y))) (cbrt (/ (* (* x 2.0) y) (- x y))))
  (cbrt (/ (* (* x 2.0) y) (- x y)))
  (* (* (/ (* (* x 2.0) y) (- x y)) (/ (* (* x 2.0) y) (- x y))) (/ (* (* x 2.0) y) (- x y)))
  (sqrt (/ (* (* x 2.0) y) (- x y)))
  (sqrt (/ (* (* x 2.0) y) (- x y)))
  (- (* (* x 2.0) y))
  (- (- x y))
  (/ (* x 2.0) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (cbrt (- x y)))
  (/ (* x 2.0) (sqrt (- x y)))
  (/ y (sqrt (- x y)))
  (/ (* x 2.0) 1)
  (/ y (- x y))
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (/ y (- (sqrt x) (sqrt y)))
  (/ (* x 2.0) 1)
  (/ y (- x y))
  (/ 1 (- x y))
  (/ (- x y) (* (* x 2.0) y))
  (/ (* (* x 2.0) y) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (* (* x 2.0) y) (sqrt (- x y)))
  (/ (* (* x 2.0) y) 1)
  (/ (* (* x 2.0) y) (+ (sqrt x) (sqrt y)))
  (/ (* (* x 2.0) y) 1)
  (/ (- x y) y)
  (/ (* (* x 2.0) y) (- (pow x 3) (pow y 3)))
  (/ (* (* x 2.0) y) (- (* x x) (* y y)))
  0
  0
  0
0.195 * * [simplify]: iteration  0 :  79  enodes  (cost  420 )
0.209 * * [simplify]: iteration  1 :  221  enodes  (cost  400 )
0.260 * * [simplify]: iteration  2 :  1081  enodes  (cost  334 )
0.587 * * [simplify]: iteration  done :  5001  enodes  (cost  334 )
0.587 * [simplify]: Simplified to:
   (expm1 (/ (* (* x 2.0) y) (- x y)))
  (log1p (/ (* (* x 2.0) y) (- x y)))
  (log (/ (* (* x 2.0) y) (- x y)))
  (log (/ (* (* x 2.0) y) (- x y)))
  (log (/ (* (* x 2.0) y) (- x y)))
  (log (/ (* (* x 2.0) y) (- x y)))
  (exp (/ (* (* x 2.0) y) (- x y)))
  (pow (/ (* (* x 2.0) y) (- x y)) 3)
  (pow (/ (* (* x 2.0) y) (- x y)) 3)
  (pow (/ (* (* x 2.0) y) (- x y)) 3)
  (* (cbrt (/ (* (* x 2.0) y) (- x y))) (cbrt (/ (* (* x 2.0) y) (- x y))))
  (cbrt (/ (* (* x 2.0) y) (- x y)))
  (pow (/ (* (* x 2.0) y) (- x y)) 3)
  (sqrt (/ (* (* x 2.0) y) (- x y)))
  (sqrt (/ (* (* x 2.0) y) (- x y)))
  (- (* (* x 2.0) y))
  (- (- x y))
  (/ (* x 2.0) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (cbrt (- x y)))
  (/ (* x 2.0) (sqrt (- x y)))
  (/ y (sqrt (- x y)))
  (* x 2.0)
  (/ y (- x y))
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (/ y (- (sqrt x) (sqrt y)))
  (* x 2.0)
  (/ y (- x y))
  (/ 1 (- x y))
  (/ (- x y) (* (* x 2.0) y))
  (/ (* (* x 2.0) y) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (* (* x 2.0) y) (sqrt (- x y)))
  (* (* x 2.0) y)
  (/ (* (* x 2.0) y) (+ (sqrt x) (sqrt y)))
  (* (* x 2.0) y)
  (/ (- x y) y)
  (/ (* (* x 2.0) y) (- (pow x 3) (pow y 3)))
  (/ (* (* x 2.0) y) (- (* x x) (* y y)))
  0
  0
  0
0.587 * * * [progress]: adding candidates to table
0.641 * * [progress]: iteration 2 / 4
0.641 * * * [progress]: picking best candidate
0.646 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x 2.0) (/ y (- x y))))>
0.646 * * * [progress]: localizing error
0.653 * * * [progress]: generating rewritten candidates
0.653 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.668 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.677 * * * [progress]: generating series expansions
0.677 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.677 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.677 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.677 * [taylor]: Taking taylor expansion of 2.0 in y
0.677 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.677 * [taylor]: Taking taylor expansion of (* x y) in y
0.677 * [taylor]: Taking taylor expansion of x in y
0.677 * [taylor]: Taking taylor expansion of y in y
0.677 * [taylor]: Taking taylor expansion of (- x y) in y
0.677 * [taylor]: Taking taylor expansion of x in y
0.677 * [taylor]: Taking taylor expansion of y in y
0.678 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.678 * [taylor]: Taking taylor expansion of 2.0 in x
0.678 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.678 * [taylor]: Taking taylor expansion of (* x y) in x
0.678 * [taylor]: Taking taylor expansion of x in x
0.678 * [taylor]: Taking taylor expansion of y in x
0.678 * [taylor]: Taking taylor expansion of (- x y) in x
0.678 * [taylor]: Taking taylor expansion of x in x
0.678 * [taylor]: Taking taylor expansion of y in x
0.679 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.679 * [taylor]: Taking taylor expansion of 2.0 in x
0.679 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.679 * [taylor]: Taking taylor expansion of (* x y) in x
0.679 * [taylor]: Taking taylor expansion of x in x
0.679 * [taylor]: Taking taylor expansion of y in x
0.679 * [taylor]: Taking taylor expansion of (- x y) in x
0.679 * [taylor]: Taking taylor expansion of x in x
0.679 * [taylor]: Taking taylor expansion of y in x
0.680 * [taylor]: Taking taylor expansion of -2.0 in y
0.681 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.681 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.681 * [taylor]: Taking taylor expansion of 2.0 in y
0.681 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.681 * [taylor]: Taking taylor expansion of y in y
0.685 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.685 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.685 * [taylor]: Taking taylor expansion of 2.0 in y
0.685 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.685 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.685 * [taylor]: Taking taylor expansion of y in y
0.691 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.691 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.691 * [taylor]: Taking taylor expansion of 2.0 in y
0.691 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.691 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.691 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.691 * [taylor]: Taking taylor expansion of x in y
0.691 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.691 * [taylor]: Taking taylor expansion of y in y
0.691 * [taylor]: Taking taylor expansion of (* x y) in y
0.691 * [taylor]: Taking taylor expansion of x in y
0.691 * [taylor]: Taking taylor expansion of y in y
0.693 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.693 * [taylor]: Taking taylor expansion of 2.0 in x
0.693 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.693 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.693 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.693 * [taylor]: Taking taylor expansion of x in x
0.693 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.693 * [taylor]: Taking taylor expansion of y in x
0.694 * [taylor]: Taking taylor expansion of (* x y) in x
0.694 * [taylor]: Taking taylor expansion of x in x
0.694 * [taylor]: Taking taylor expansion of y in x
0.695 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.695 * [taylor]: Taking taylor expansion of 2.0 in x
0.695 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.695 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.695 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.695 * [taylor]: Taking taylor expansion of x in x
0.695 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.695 * [taylor]: Taking taylor expansion of y in x
0.695 * [taylor]: Taking taylor expansion of (* x y) in x
0.695 * [taylor]: Taking taylor expansion of x in x
0.695 * [taylor]: Taking taylor expansion of y in x
0.697 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.697 * [taylor]: Taking taylor expansion of 2.0 in y
0.697 * [taylor]: Taking taylor expansion of y in y
0.700 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.700 * [taylor]: Taking taylor expansion of 2.0 in y
0.700 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.700 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.700 * [taylor]: Taking taylor expansion of y in y
0.709 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.709 * [taylor]: Taking taylor expansion of 2.0 in y
0.709 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.710 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.710 * [taylor]: Taking taylor expansion of y in y
0.717 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.718 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.718 * [taylor]: Taking taylor expansion of 2.0 in y
0.718 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.718 * [taylor]: Taking taylor expansion of x in y
0.718 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.718 * [taylor]: Taking taylor expansion of y in y
0.718 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.718 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.718 * [taylor]: Taking taylor expansion of y in y
0.718 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.718 * [taylor]: Taking taylor expansion of x in y
0.720 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.720 * [taylor]: Taking taylor expansion of 2.0 in x
0.720 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.720 * [taylor]: Taking taylor expansion of x in x
0.720 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.720 * [taylor]: Taking taylor expansion of y in x
0.720 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.720 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.720 * [taylor]: Taking taylor expansion of y in x
0.720 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.720 * [taylor]: Taking taylor expansion of x in x
0.722 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.722 * [taylor]: Taking taylor expansion of 2.0 in x
0.722 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.722 * [taylor]: Taking taylor expansion of x in x
0.722 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.722 * [taylor]: Taking taylor expansion of y in x
0.722 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.722 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.722 * [taylor]: Taking taylor expansion of y in x
0.722 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.722 * [taylor]: Taking taylor expansion of x in x
0.724 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.724 * [taylor]: Taking taylor expansion of -2.0 in y
0.724 * [taylor]: Taking taylor expansion of y in y
0.727 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.727 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.727 * [taylor]: Taking taylor expansion of 2.0 in y
0.727 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.727 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.727 * [taylor]: Taking taylor expansion of y in y
0.733 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.733 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.733 * [taylor]: Taking taylor expansion of 2.0 in y
0.733 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.734 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.734 * [taylor]: Taking taylor expansion of y in y
0.742 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.742 * [approximate]: Taking taylor expansion of (/ y (- x y)) in (y x) around 0
0.742 * [taylor]: Taking taylor expansion of (/ y (- x y)) in x
0.742 * [taylor]: Taking taylor expansion of y in x
0.742 * [taylor]: Taking taylor expansion of (- x y) in x
0.742 * [taylor]: Taking taylor expansion of x in x
0.742 * [taylor]: Taking taylor expansion of y in x
0.742 * [taylor]: Taking taylor expansion of (/ y (- x y)) in y
0.742 * [taylor]: Taking taylor expansion of y in y
0.742 * [taylor]: Taking taylor expansion of (- x y) in y
0.742 * [taylor]: Taking taylor expansion of x in y
0.742 * [taylor]: Taking taylor expansion of y in y
0.743 * [taylor]: Taking taylor expansion of (/ y (- x y)) in y
0.743 * [taylor]: Taking taylor expansion of y in y
0.743 * [taylor]: Taking taylor expansion of (- x y) in y
0.743 * [taylor]: Taking taylor expansion of x in y
0.743 * [taylor]: Taking taylor expansion of y in y
0.743 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.743 * [taylor]: Taking taylor expansion of x in x
0.744 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.744 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.744 * [taylor]: Taking taylor expansion of x in x
0.748 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.748 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.748 * [taylor]: Taking taylor expansion of x in x
0.754 * [approximate]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in (y x) around 0
0.755 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in x
0.755 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.755 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.755 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.755 * [taylor]: Taking taylor expansion of x in x
0.755 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.755 * [taylor]: Taking taylor expansion of y in x
0.755 * [taylor]: Taking taylor expansion of y in x
0.755 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in y
0.755 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.755 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.755 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.755 * [taylor]: Taking taylor expansion of x in y
0.755 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.755 * [taylor]: Taking taylor expansion of y in y
0.756 * [taylor]: Taking taylor expansion of y in y
0.758 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in y
0.758 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.758 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.758 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.758 * [taylor]: Taking taylor expansion of x in y
0.758 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.758 * [taylor]: Taking taylor expansion of y in y
0.758 * [taylor]: Taking taylor expansion of y in y
0.760 * [taylor]: Taking taylor expansion of -1 in x
0.762 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.762 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.762 * [taylor]: Taking taylor expansion of x in x
0.766 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2))) in x
0.766 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.766 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.766 * [taylor]: Taking taylor expansion of x in x
0.770 * [approximate]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in (y x) around 0
0.770 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.771 * [taylor]: Taking taylor expansion of -1 in x
0.771 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.771 * [taylor]: Taking taylor expansion of y in x
0.771 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.771 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.771 * [taylor]: Taking taylor expansion of y in x
0.771 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.771 * [taylor]: Taking taylor expansion of x in x
0.771 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.771 * [taylor]: Taking taylor expansion of -1 in y
0.772 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.772 * [taylor]: Taking taylor expansion of y in y
0.772 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.772 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.772 * [taylor]: Taking taylor expansion of y in y
0.772 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.772 * [taylor]: Taking taylor expansion of x in y
0.773 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.773 * [taylor]: Taking taylor expansion of -1 in y
0.774 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.774 * [taylor]: Taking taylor expansion of y in y
0.774 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.774 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.774 * [taylor]: Taking taylor expansion of y in y
0.774 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.774 * [taylor]: Taking taylor expansion of x in y
0.775 * [taylor]: Taking taylor expansion of -1 in x
0.777 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.778 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.778 * [taylor]: Taking taylor expansion of x in x
0.781 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2))) in x
0.782 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.782 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.782 * [taylor]: Taking taylor expansion of x in x
0.786 * * * [progress]: simplifying candidates
0.790 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (* (* x 2.0) (/ y (- x y))))
  (log1p (* (* x 2.0) (/ y (- x y))))
  (* (* x 2.0) (/ y (- x y)))
  (* (* x 2.0) (/ y (- x y)))
  (+ (+ (log x) (log 2.0)) (- (log y) (log (- x y))))
  (+ (+ (log x) (log 2.0)) (log (/ y (- x y))))
  (+ (log (* x 2.0)) (- (log y) (log (- x y))))
  (+ (log (* x 2.0)) (log (/ y (- x y))))
  (log (* (* x 2.0) (/ y (- x y))))
  (exp (* (* x 2.0) (/ y (- x y))))
  (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (/ (* (* y y) y) (* (* (- x y) (- x y)) (- x y))))
  (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* (/ y (- x y)) (/ y (- x y))) (/ y (- x y))))
  (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (/ (* (* y y) y) (* (* (- x y) (- x y)) (- x y))))
  (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* (/ y (- x y)) (/ y (- x y))) (/ y (- x y))))
  (* (cbrt (* (* x 2.0) (/ y (- x y)))) (cbrt (* (* x 2.0) (/ y (- x y)))))
  (cbrt (* (* x 2.0) (/ y (- x y))))
  (* (* (* (* x 2.0) (/ y (- x y))) (* (* x 2.0) (/ y (- x y)))) (* (* x 2.0) (/ y (- x y))))
  (sqrt (* (* x 2.0) (/ y (- x y))))
  (sqrt (* (* x 2.0) (/ y (- x y))))
  (* (* x 2.0) (* (cbrt (/ y (- x y))) (cbrt (/ y (- x y)))))
  (* (* x 2.0) (sqrt (/ y (- x y))))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) (* (cbrt (- x y)) (cbrt (- x y)))))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) (sqrt (- x y))))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) 1))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) (+ (sqrt x) (sqrt y))))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) 1))
  (* (* x 2.0) (/ (sqrt y) (* (cbrt (- x y)) (cbrt (- x y)))))
  (* (* x 2.0) (/ (sqrt y) (sqrt (- x y))))
  (* (* x 2.0) (/ (sqrt y) 1))
  (* (* x 2.0) (/ (sqrt y) (+ (sqrt x) (sqrt y))))
  (* (* x 2.0) (/ (sqrt y) 1))
  (* (* x 2.0) (/ 1 (* (cbrt (- x y)) (cbrt (- x y)))))
  (* (* x 2.0) (/ 1 (sqrt (- x y))))
  (* (* x 2.0) (/ 1 1))
  (* (* x 2.0) (/ 1 (+ (sqrt x) (sqrt y))))
  (* (* x 2.0) (/ 1 1))
  (* (* x 2.0) 1)
  (* (* x 2.0) y)
  (* (* x 2.0) (/ y (- (pow x 3) (pow y 3))))
  (* (* x 2.0) (/ y (- (* x x) (* y y))))
  (* 2.0 (/ y (- x y)))
  (* (* x 2.0) y)
  (expm1 (/ y (- x y)))
  (log1p (/ y (- x y)))
  (- (log y) (log (- x y)))
  (log (/ y (- x y)))
  (exp (/ y (- x y)))
  (/ (* (* y y) y) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (/ y (- x y))) (cbrt (/ y (- x y))))
  (cbrt (/ y (- x y)))
  (* (* (/ y (- x y)) (/ y (- x y))) (/ y (- x y)))
  (sqrt (/ y (- x y)))
  (sqrt (/ y (- x y)))
  (- y)
  (- (- x y))
  (/ (* (cbrt y) (cbrt y)) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (cbrt y) (cbrt (- x y)))
  (/ (* (cbrt y) (cbrt y)) (sqrt (- x y)))
  (/ (cbrt y) (sqrt (- x y)))
  (/ (* (cbrt y) (cbrt y)) 1)
  (/ (cbrt y) (- x y))
  (/ (* (cbrt y) (cbrt y)) (+ (sqrt x) (sqrt y)))
  (/ (cbrt y) (- (sqrt x) (sqrt y)))
  (/ (* (cbrt y) (cbrt y)) 1)
  (/ (cbrt y) (- x y))
  (/ (sqrt y) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (sqrt y) (cbrt (- x y)))
  (/ (sqrt y) (sqrt (- x y)))
  (/ (sqrt y) (sqrt (- x y)))
  (/ (sqrt y) 1)
  (/ (sqrt y) (- x y))
  (/ (sqrt y) (+ (sqrt x) (sqrt y)))
  (/ (sqrt y) (- (sqrt x) (sqrt y)))
  (/ (sqrt y) 1)
  (/ (sqrt y) (- x y))
  (/ 1 (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (cbrt (- x y)))
  (/ 1 (sqrt (- x y)))
  (/ y (sqrt (- x y)))
  (/ 1 1)
  (/ y (- x y))
  (/ 1 (+ (sqrt x) (sqrt y)))
  (/ y (- (sqrt x) (sqrt y)))
  (/ 1 1)
  (/ y (- x y))
  (/ 1 (- x y))
  (/ (- x y) y)
  (/ y (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (sqrt (- x y)))
  (/ y 1)
  (/ y (+ (sqrt x) (sqrt y)))
  (/ y 1)
  (/ (- x y) (cbrt y))
  (/ (- x y) (sqrt y))
  (/ (- x y) y)
  (/ y (- (pow x 3) (pow y 3)))
  (/ y (- (* x x) (* y y)))
  0
  0
  0
  0
  0
  0
0.793 * * [simplify]: iteration  0 :  120  enodes  (cost  947 )