0.127 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (* (* x 2.0) y) (- x y))
0.018 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.019 * * [simplify]: iteration  1 :  15  enodes  (cost  9 )
0.021 * * [simplify]: iteration  2 :  35  enodes  (cost  9 )
0.026 * * [simplify]: iteration  3 :  71  enodes  (cost  9 )
0.035 * * [simplify]: iteration  4 :  122  enodes  (cost  9 )
0.049 * * [simplify]: iteration  5 :  158  enodes  (cost  9 )
0.070 * * [simplify]: iteration  6 :  176  enodes  (cost  9 )
0.091 * * [simplify]: iteration  7 :  181  enodes  (cost  9 )
0.112 * * [simplify]: iteration  done :  181  enodes  (cost  9 )
0.112 * [simplify]: Simplified to:
   (/ (* (* x 2.0) y) (- x y))
0.113 * * [progress]: iteration 1 / 4
0.113 * * * [progress]: picking best candidate
0.114 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (* x 2.0) y) (- x y)))>
0.114 * * * [progress]: localizing error
0.120 * * * [progress]: generating rewritten candidates
0.120 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.132 * * * [progress]: generating series expansions
0.132 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.133 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.133 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.133 * [taylor]: Taking taylor expansion of 2.0 in y
0.133 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.133 * [taylor]: Taking taylor expansion of (* x y) in y
0.133 * [taylor]: Taking taylor expansion of x in y
0.133 * [taylor]: Taking taylor expansion of y in y
0.133 * [taylor]: Taking taylor expansion of (- x y) in y
0.133 * [taylor]: Taking taylor expansion of x in y
0.133 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.134 * [taylor]: Taking taylor expansion of 2.0 in x
0.134 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.134 * [taylor]: Taking taylor expansion of (* x y) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.134 * [taylor]: Taking taylor expansion of (- x y) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.134 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.134 * [taylor]: Taking taylor expansion of 2.0 in x
0.134 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.134 * [taylor]: Taking taylor expansion of (* x y) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.134 * [taylor]: Taking taylor expansion of (- x y) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of -2.0 in y
0.137 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.137 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.137 * [taylor]: Taking taylor expansion of 2.0 in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.141 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.141 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.141 * [taylor]: Taking taylor expansion of 2.0 in y
0.141 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.141 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.141 * [taylor]: Taking taylor expansion of y in y
0.147 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.147 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.147 * [taylor]: Taking taylor expansion of 2.0 in y
0.147 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.147 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.147 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.147 * [taylor]: Taking taylor expansion of x in y
0.147 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.147 * [taylor]: Taking taylor expansion of y in y
0.147 * [taylor]: Taking taylor expansion of (* x y) in y
0.147 * [taylor]: Taking taylor expansion of x in y
0.147 * [taylor]: Taking taylor expansion of y in y
0.149 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.149 * [taylor]: Taking taylor expansion of 2.0 in x
0.149 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.149 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.149 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.149 * [taylor]: Taking taylor expansion of x in x
0.150 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.150 * [taylor]: Taking taylor expansion of y in x
0.150 * [taylor]: Taking taylor expansion of (* x y) in x
0.150 * [taylor]: Taking taylor expansion of x in x
0.150 * [taylor]: Taking taylor expansion of y in x
0.151 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.151 * [taylor]: Taking taylor expansion of 2.0 in x
0.151 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.151 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.151 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.151 * [taylor]: Taking taylor expansion of x in x
0.151 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.151 * [taylor]: Taking taylor expansion of y in x
0.152 * [taylor]: Taking taylor expansion of (* x y) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [taylor]: Taking taylor expansion of y in x
0.153 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.153 * [taylor]: Taking taylor expansion of 2.0 in y
0.153 * [taylor]: Taking taylor expansion of y in y
0.156 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.156 * [taylor]: Taking taylor expansion of 2.0 in y
0.156 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.156 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.156 * [taylor]: Taking taylor expansion of y in y
0.163 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.163 * [taylor]: Taking taylor expansion of 2.0 in y
0.163 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.163 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.163 * [taylor]: Taking taylor expansion of y in y
0.171 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.171 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.171 * [taylor]: Taking taylor expansion of 2.0 in y
0.171 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.171 * [taylor]: Taking taylor expansion of x in y
0.171 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.171 * [taylor]: Taking taylor expansion of y in y
0.171 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.171 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.171 * [taylor]: Taking taylor expansion of y in y
0.172 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.172 * [taylor]: Taking taylor expansion of x in y
0.174 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.174 * [taylor]: Taking taylor expansion of 2.0 in x
0.174 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.174 * [taylor]: Taking taylor expansion of x in x
0.174 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.174 * [taylor]: Taking taylor expansion of y in x
0.174 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.174 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.174 * [taylor]: Taking taylor expansion of y in x
0.174 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.174 * [taylor]: Taking taylor expansion of x in x
0.176 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.176 * [taylor]: Taking taylor expansion of 2.0 in x
0.176 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.176 * [taylor]: Taking taylor expansion of x in x
0.176 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.176 * [taylor]: Taking taylor expansion of y in x
0.176 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.176 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.176 * [taylor]: Taking taylor expansion of y in x
0.176 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.176 * [taylor]: Taking taylor expansion of x in x
0.178 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.178 * [taylor]: Taking taylor expansion of -2.0 in y
0.178 * [taylor]: Taking taylor expansion of y in y
0.181 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.181 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.181 * [taylor]: Taking taylor expansion of 2.0 in y
0.181 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.181 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.181 * [taylor]: Taking taylor expansion of y in y
0.188 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.188 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.188 * [taylor]: Taking taylor expansion of 2.0 in y
0.188 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.188 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.188 * [taylor]: Taking taylor expansion of y in y
0.199 * * * [progress]: simplifying candidates
0.200 * [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
0.202 * * [simplify]: iteration  0 :  79  enodes  (cost  420 )
0.216 * * [simplify]: iteration  1 :  221  enodes  (cost  400 )
0.269 * * [simplify]: iteration  2 :  1081  enodes  (cost  334 )
0.601 * * [simplify]: iteration  done :  5001  enodes  (cost  334 )
0.601 * [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
0.602 * * * [progress]: adding candidates to table
0.658 * * [progress]: iteration 2 / 4
0.658 * * * [progress]: picking best candidate
0.663 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x 2.0) (/ y (- x y))))>
0.663 * * * [progress]: localizing error
0.669 * * * [progress]: generating rewritten candidates
0.669 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.688 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.697 * * * [progress]: generating series expansions
0.697 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.697 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.697 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.697 * [taylor]: Taking taylor expansion of 2.0 in y
0.697 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.697 * [taylor]: Taking taylor expansion of (* x y) in y
0.697 * [taylor]: Taking taylor expansion of x in y
0.698 * [taylor]: Taking taylor expansion of y in y
0.698 * [taylor]: Taking taylor expansion of (- x y) in y
0.698 * [taylor]: Taking taylor expansion of x in y
0.698 * [taylor]: Taking taylor expansion of y in y
0.698 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.699 * [taylor]: Taking taylor expansion of 2.0 in x
0.699 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.699 * [taylor]: Taking taylor expansion of (* x y) in x
0.699 * [taylor]: Taking taylor expansion of x in x
0.699 * [taylor]: Taking taylor expansion of y in x
0.699 * [taylor]: Taking taylor expansion of (- x y) in x
0.699 * [taylor]: Taking taylor expansion of x in x
0.699 * [taylor]: Taking taylor expansion of y in x
0.699 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.699 * [taylor]: Taking taylor expansion of 2.0 in x
0.699 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.699 * [taylor]: Taking taylor expansion of (* x y) in x
0.699 * [taylor]: Taking taylor expansion of x in x
0.699 * [taylor]: Taking taylor expansion of y in x
0.699 * [taylor]: Taking taylor expansion of (- x y) in x
0.699 * [taylor]: Taking taylor expansion of x in x
0.699 * [taylor]: Taking taylor expansion of y in x
0.700 * [taylor]: Taking taylor expansion of -2.0 in y
0.701 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.702 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.702 * [taylor]: Taking taylor expansion of 2.0 in y
0.702 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.702 * [taylor]: Taking taylor expansion of y in y
0.705 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.705 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.705 * [taylor]: Taking taylor expansion of 2.0 in y
0.705 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.706 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.706 * [taylor]: Taking taylor expansion of y in y
0.711 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.711 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.711 * [taylor]: Taking taylor expansion of 2.0 in y
0.711 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.711 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.711 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.711 * [taylor]: Taking taylor expansion of x in y
0.711 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.711 * [taylor]: Taking taylor expansion of y in y
0.712 * [taylor]: Taking taylor expansion of (* x y) in y
0.712 * [taylor]: Taking taylor expansion of x in y
0.712 * [taylor]: Taking taylor expansion of y in y
0.714 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.714 * [taylor]: Taking taylor expansion of 2.0 in x
0.714 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.714 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.714 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.714 * [taylor]: Taking taylor expansion of x in x
0.714 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.714 * [taylor]: Taking taylor expansion of y in x
0.714 * [taylor]: Taking taylor expansion of (* x y) in x
0.714 * [taylor]: Taking taylor expansion of x in x
0.714 * [taylor]: Taking taylor expansion of y in x
0.715 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.715 * [taylor]: Taking taylor expansion of 2.0 in x
0.715 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.716 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.716 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.716 * [taylor]: Taking taylor expansion of x in x
0.716 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.716 * [taylor]: Taking taylor expansion of y in x
0.716 * [taylor]: Taking taylor expansion of (* x y) in x
0.716 * [taylor]: Taking taylor expansion of x in x
0.716 * [taylor]: Taking taylor expansion of y in x
0.717 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.717 * [taylor]: Taking taylor expansion of 2.0 in y
0.717 * [taylor]: Taking taylor expansion of y in y
0.721 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.721 * [taylor]: Taking taylor expansion of 2.0 in y
0.721 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.721 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.721 * [taylor]: Taking taylor expansion of y in y
0.727 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.727 * [taylor]: Taking taylor expansion of 2.0 in y
0.727 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.727 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.728 * [taylor]: Taking taylor expansion of y in y
0.735 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.736 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.736 * [taylor]: Taking taylor expansion of 2.0 in y
0.736 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.736 * [taylor]: Taking taylor expansion of x in y
0.736 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.736 * [taylor]: Taking taylor expansion of y in y
0.736 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.736 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.736 * [taylor]: Taking taylor expansion of y in y
0.736 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.736 * [taylor]: Taking taylor expansion of x in y
0.738 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.738 * [taylor]: Taking taylor expansion of 2.0 in x
0.738 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.738 * [taylor]: Taking taylor expansion of x in x
0.738 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.738 * [taylor]: Taking taylor expansion of y in x
0.738 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.738 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.738 * [taylor]: Taking taylor expansion of y in x
0.738 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.738 * [taylor]: Taking taylor expansion of x in x
0.740 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.740 * [taylor]: Taking taylor expansion of 2.0 in x
0.740 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.740 * [taylor]: Taking taylor expansion of x in x
0.740 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.740 * [taylor]: Taking taylor expansion of y in x
0.740 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.740 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.740 * [taylor]: Taking taylor expansion of y in x
0.740 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.740 * [taylor]: Taking taylor expansion of x in x
0.743 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.743 * [taylor]: Taking taylor expansion of -2.0 in y
0.743 * [taylor]: Taking taylor expansion of y in y
0.746 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.746 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.746 * [taylor]: Taking taylor expansion of 2.0 in y
0.746 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.746 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.746 * [taylor]: Taking taylor expansion of y in y
0.752 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.752 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.752 * [taylor]: Taking taylor expansion of 2.0 in y
0.752 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.752 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.752 * [taylor]: Taking taylor expansion of y in y
0.760 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.760 * [approximate]: Taking taylor expansion of (/ y (- x y)) in (y x) around 0
0.761 * [taylor]: Taking taylor expansion of (/ y (- x y)) in x
0.761 * [taylor]: Taking taylor expansion of y in x
0.761 * [taylor]: Taking taylor expansion of (- x y) in x
0.761 * [taylor]: Taking taylor expansion of x in x
0.761 * [taylor]: Taking taylor expansion of y in x
0.761 * [taylor]: Taking taylor expansion of (/ y (- x y)) in y
0.761 * [taylor]: Taking taylor expansion of y in y
0.761 * [taylor]: Taking taylor expansion of (- x y) in y
0.761 * [taylor]: Taking taylor expansion of x in y
0.761 * [taylor]: Taking taylor expansion of y in y
0.761 * [taylor]: Taking taylor expansion of (/ y (- x y)) in y
0.761 * [taylor]: Taking taylor expansion of y in y
0.761 * [taylor]: Taking taylor expansion of (- x y) in y
0.761 * [taylor]: Taking taylor expansion of x in y
0.761 * [taylor]: Taking taylor expansion of y in y
0.761 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.762 * [taylor]: Taking taylor expansion of x in x
0.763 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.763 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.763 * [taylor]: Taking taylor expansion of x in x
0.770 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.770 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.770 * [taylor]: Taking taylor expansion of x in x
0.777 * [approximate]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in (y x) around 0
0.777 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in x
0.777 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.777 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.777 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.777 * [taylor]: Taking taylor expansion of x in x
0.777 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.777 * [taylor]: Taking taylor expansion of y in x
0.777 * [taylor]: Taking taylor expansion of y in x
0.778 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in y
0.778 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.778 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.778 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.778 * [taylor]: Taking taylor expansion of x in y
0.778 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.778 * [taylor]: Taking taylor expansion of y in y
0.778 * [taylor]: Taking taylor expansion of y in y
0.780 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in y
0.780 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.780 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.780 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.780 * [taylor]: Taking taylor expansion of x in y
0.780 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.780 * [taylor]: Taking taylor expansion of y in y
0.780 * [taylor]: Taking taylor expansion of y in y
0.783 * [taylor]: Taking taylor expansion of -1 in x
0.785 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.785 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.785 * [taylor]: Taking taylor expansion of x in x
0.788 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2))) in x
0.788 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.788 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.789 * [taylor]: Taking taylor expansion of x in x
0.793 * [approximate]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in (y x) around 0
0.793 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.793 * [taylor]: Taking taylor expansion of -1 in x
0.793 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.793 * [taylor]: Taking taylor expansion of y in x
0.793 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.793 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.793 * [taylor]: Taking taylor expansion of y in x
0.793 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.793 * [taylor]: Taking taylor expansion of x in x
0.794 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.794 * [taylor]: Taking taylor expansion of -1 in y
0.794 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.794 * [taylor]: Taking taylor expansion of y in y
0.794 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.794 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.794 * [taylor]: Taking taylor expansion of y in y
0.795 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.795 * [taylor]: Taking taylor expansion of x in y
0.796 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.796 * [taylor]: Taking taylor expansion of -1 in y
0.796 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.796 * [taylor]: Taking taylor expansion of y in y
0.796 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.796 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.796 * [taylor]: Taking taylor expansion of y in y
0.797 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.797 * [taylor]: Taking taylor expansion of x in y
0.798 * [taylor]: Taking taylor expansion of -1 in x
0.800 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.800 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.800 * [taylor]: Taking taylor expansion of x in x
0.804 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2))) in x
0.804 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.804 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.804 * [taylor]: Taking taylor expansion of x in x
0.809 * * * [progress]: simplifying candidates
0.810 * [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
0.814 * * [simplify]: iteration  0 :  120  enodes  (cost  947 )