28.173 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.013 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (* (* x 2.0) y) (- x y))
0.014 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.015 * * [simplify]: iteration  1 :  15  enodes  (cost  9 )
0.017 * * [simplify]: iteration  2 :  35  enodes  (cost  9 )
0.022 * * [simplify]: iteration  3 :  70  enodes  (cost  9 )
0.031 * * [simplify]: iteration  4 :  120  enodes  (cost  9 )
0.045 * * [simplify]: iteration  5 :  151  enodes  (cost  9 )
0.064 * * [simplify]: iteration  6 :  166  enodes  (cost  9 )
0.082 * * [simplify]: iteration  7 :  171  enodes  (cost  9 )
0.103 * * [simplify]: iteration  done :  171  enodes  (cost  9 )
0.103 * [simplify]: Simplified to:
   (/ (* (* x 2.0) y) (- x y))
0.103 * * [progress]: iteration 1 / 4
0.103 * * * [progress]: picking best candidate
0.105 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (* x 2.0) y) (- x y)))>
0.105 * * * [progress]: localizing error
0.111 * * * [progress]: generating rewritten candidates
0.111 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.123 * * * [progress]: generating series expansions
0.123 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.123 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.123 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.123 * [taylor]: Taking taylor expansion of 2.0 in y
0.123 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.123 * [taylor]: Taking taylor expansion of (* x y) in y
0.123 * [taylor]: Taking taylor expansion of x in y
0.123 * [taylor]: Taking taylor expansion of y in y
0.123 * [taylor]: Taking taylor expansion of (- x y) in y
0.123 * [taylor]: Taking taylor expansion of x in y
0.123 * [taylor]: Taking taylor expansion of y in y
0.124 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.124 * [taylor]: Taking taylor expansion of 2.0 in x
0.124 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.124 * [taylor]: Taking taylor expansion of (* x y) in x
0.124 * [taylor]: Taking taylor expansion of x in x
0.124 * [taylor]: Taking taylor expansion of y in x
0.124 * [taylor]: Taking taylor expansion of (- x y) in x
0.124 * [taylor]: Taking taylor expansion of x in x
0.124 * [taylor]: Taking taylor expansion of y in x
0.125 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.125 * [taylor]: Taking taylor expansion of 2.0 in x
0.125 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.125 * [taylor]: Taking taylor expansion of (* x y) in x
0.125 * [taylor]: Taking taylor expansion of x in x
0.125 * [taylor]: Taking taylor expansion of y in x
0.125 * [taylor]: Taking taylor expansion of (- x y) in x
0.125 * [taylor]: Taking taylor expansion of x in x
0.125 * [taylor]: Taking taylor expansion of y in x
0.125 * [taylor]: Taking taylor expansion of -2.0 in y
0.127 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.127 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.127 * [taylor]: Taking taylor expansion of 2.0 in y
0.127 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.127 * [taylor]: Taking taylor expansion of y in y
0.130 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.131 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.131 * [taylor]: Taking taylor expansion of 2.0 in y
0.131 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.131 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.131 * [taylor]: Taking taylor expansion of y in y
0.136 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.136 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.136 * [taylor]: Taking taylor expansion of 2.0 in y
0.136 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.136 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.136 * [taylor]: Taking taylor expansion of x in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.136 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of (* x y) in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.138 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.138 * [taylor]: Taking taylor expansion of 2.0 in x
0.138 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.138 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.139 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.139 * [taylor]: Taking taylor expansion of y in x
0.139 * [taylor]: Taking taylor expansion of (* x y) in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.140 * [taylor]: Taking taylor expansion of 2.0 in x
0.140 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.140 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.140 * [taylor]: Taking taylor expansion of y in x
0.141 * [taylor]: Taking taylor expansion of (* x y) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [taylor]: Taking taylor expansion of y in x
0.142 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.142 * [taylor]: Taking taylor expansion of 2.0 in y
0.142 * [taylor]: Taking taylor expansion of y in y
0.145 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.145 * [taylor]: Taking taylor expansion of 2.0 in y
0.145 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.145 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.145 * [taylor]: Taking taylor expansion of y in y
0.151 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.151 * [taylor]: Taking taylor expansion of 2.0 in y
0.151 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.151 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.151 * [taylor]: Taking taylor expansion of y in y
0.159 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.159 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.159 * [taylor]: Taking taylor expansion of 2.0 in y
0.159 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.159 * [taylor]: Taking taylor expansion of x in y
0.159 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.159 * [taylor]: Taking taylor expansion of y in y
0.159 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.159 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.159 * [taylor]: Taking taylor expansion of y in y
0.159 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.159 * [taylor]: Taking taylor expansion of x in y
0.161 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.161 * [taylor]: Taking taylor expansion of 2.0 in x
0.161 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.161 * [taylor]: Taking taylor expansion of x in x
0.161 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.161 * [taylor]: Taking taylor expansion of y in x
0.161 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.161 * [taylor]: Taking taylor expansion of y in x
0.161 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.161 * [taylor]: Taking taylor expansion of x in x
0.163 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.163 * [taylor]: Taking taylor expansion of 2.0 in x
0.163 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.163 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.163 * [taylor]: Taking taylor expansion of y in x
0.163 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.163 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.163 * [taylor]: Taking taylor expansion of y in x
0.163 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.165 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.165 * [taylor]: Taking taylor expansion of -2.0 in y
0.165 * [taylor]: Taking taylor expansion of y in y
0.168 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.168 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.168 * [taylor]: Taking taylor expansion of 2.0 in y
0.168 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.168 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.168 * [taylor]: Taking taylor expansion of y in y
0.177 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.177 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.177 * [taylor]: Taking taylor expansion of 2.0 in y
0.177 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.177 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.177 * [taylor]: Taking taylor expansion of y in y
0.185 * * * [progress]: simplifying candidates
0.186 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (+ (+ (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
0.188 * * [simplify]: iteration  0 :  77  enodes  (cost  400 )
0.201 * * [simplify]: iteration  1 :  212  enodes  (cost  380 )
0.254 * * [simplify]: iteration  2 :  977  enodes  (cost  314 )
0.730 * * [simplify]: iteration  done :  5000  enodes  (cost  314 )
0.730 * [simplify]: Simplified to:
   (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
0.731 * * * [progress]: adding candidates to table
0.784 * * [progress]: iteration 2 / 4
0.784 * * * [progress]: picking best candidate
0.789 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x 2.0) (/ y (- x y))))>
0.789 * * * [progress]: localizing error
0.795 * * * [progress]: generating rewritten candidates
0.795 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.815 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.824 * * * [progress]: generating series expansions
0.824 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.825 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.825 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.825 * [taylor]: Taking taylor expansion of 2.0 in y
0.825 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.825 * [taylor]: Taking taylor expansion of (* x y) in y
0.825 * [taylor]: Taking taylor expansion of x in y
0.825 * [taylor]: Taking taylor expansion of y in y
0.825 * [taylor]: Taking taylor expansion of (- x y) in y
0.825 * [taylor]: Taking taylor expansion of x in y
0.825 * [taylor]: Taking taylor expansion of y in y
0.826 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.826 * [taylor]: Taking taylor expansion of 2.0 in x
0.826 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.826 * [taylor]: Taking taylor expansion of (* x y) in x
0.826 * [taylor]: Taking taylor expansion of x in x
0.826 * [taylor]: Taking taylor expansion of y in x
0.826 * [taylor]: Taking taylor expansion of (- x y) in x
0.826 * [taylor]: Taking taylor expansion of x in x
0.826 * [taylor]: Taking taylor expansion of y in x
0.826 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.826 * [taylor]: Taking taylor expansion of 2.0 in x
0.826 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.826 * [taylor]: Taking taylor expansion of (* x y) in x
0.826 * [taylor]: Taking taylor expansion of x in x
0.826 * [taylor]: Taking taylor expansion of y in x
0.826 * [taylor]: Taking taylor expansion of (- x y) in x
0.826 * [taylor]: Taking taylor expansion of x in x
0.826 * [taylor]: Taking taylor expansion of y in x
0.827 * [taylor]: Taking taylor expansion of -2.0 in y
0.828 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.828 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.828 * [taylor]: Taking taylor expansion of 2.0 in y
0.828 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.828 * [taylor]: Taking taylor expansion of y in y
0.832 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.832 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.832 * [taylor]: Taking taylor expansion of 2.0 in y
0.832 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.832 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.832 * [taylor]: Taking taylor expansion of y in y
0.837 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.837 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.838 * [taylor]: Taking taylor expansion of 2.0 in y
0.838 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.838 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.838 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.838 * [taylor]: Taking taylor expansion of x in y
0.838 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.838 * [taylor]: Taking taylor expansion of y in y
0.838 * [taylor]: Taking taylor expansion of (* x y) in y
0.838 * [taylor]: Taking taylor expansion of x in y
0.838 * [taylor]: Taking taylor expansion of y in y
0.840 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.840 * [taylor]: Taking taylor expansion of 2.0 in x
0.840 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.840 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.840 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.840 * [taylor]: Taking taylor expansion of x in x
0.840 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.840 * [taylor]: Taking taylor expansion of y in x
0.840 * [taylor]: Taking taylor expansion of (* x y) in x
0.840 * [taylor]: Taking taylor expansion of x in x
0.840 * [taylor]: Taking taylor expansion of y in x
0.841 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.842 * [taylor]: Taking taylor expansion of 2.0 in x
0.842 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.842 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.842 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.842 * [taylor]: Taking taylor expansion of x in x
0.842 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.842 * [taylor]: Taking taylor expansion of y in x
0.842 * [taylor]: Taking taylor expansion of (* x y) in x
0.842 * [taylor]: Taking taylor expansion of x in x
0.842 * [taylor]: Taking taylor expansion of y in x
0.843 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.843 * [taylor]: Taking taylor expansion of 2.0 in y
0.843 * [taylor]: Taking taylor expansion of y in y
0.847 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.847 * [taylor]: Taking taylor expansion of 2.0 in y
0.847 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.847 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.847 * [taylor]: Taking taylor expansion of y in y
0.853 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.853 * [taylor]: Taking taylor expansion of 2.0 in y
0.853 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.853 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.853 * [taylor]: Taking taylor expansion of y in y
0.861 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.861 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.861 * [taylor]: Taking taylor expansion of 2.0 in y
0.861 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.861 * [taylor]: Taking taylor expansion of x in y
0.861 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.861 * [taylor]: Taking taylor expansion of y in y
0.861 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.861 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.861 * [taylor]: Taking taylor expansion of y in y
0.862 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.862 * [taylor]: Taking taylor expansion of x in y
0.863 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.864 * [taylor]: Taking taylor expansion of 2.0 in x
0.864 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.864 * [taylor]: Taking taylor expansion of x in x
0.864 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.864 * [taylor]: Taking taylor expansion of y in x
0.864 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.864 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.864 * [taylor]: Taking taylor expansion of y in x
0.864 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.864 * [taylor]: Taking taylor expansion of x in x
0.866 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.866 * [taylor]: Taking taylor expansion of 2.0 in x
0.866 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.866 * [taylor]: Taking taylor expansion of x in x
0.866 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.866 * [taylor]: Taking taylor expansion of y in x
0.866 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.866 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.866 * [taylor]: Taking taylor expansion of y in x
0.866 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.866 * [taylor]: Taking taylor expansion of x in x
0.868 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.868 * [taylor]: Taking taylor expansion of -2.0 in y
0.868 * [taylor]: Taking taylor expansion of y in y
0.871 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.871 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.871 * [taylor]: Taking taylor expansion of 2.0 in y
0.871 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.871 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.871 * [taylor]: Taking taylor expansion of y in y
0.877 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.877 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.877 * [taylor]: Taking taylor expansion of 2.0 in y
0.877 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.877 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.877 * [taylor]: Taking taylor expansion of y in y
0.888 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.889 * [approximate]: Taking taylor expansion of (/ y (- x y)) in (y x) around 0
0.889 * [taylor]: Taking taylor expansion of (/ y (- x y)) in x
0.889 * [taylor]: Taking taylor expansion of y in x
0.889 * [taylor]: Taking taylor expansion of (- x y) in x
0.889 * [taylor]: Taking taylor expansion of x in x
0.889 * [taylor]: Taking taylor expansion of y in x
0.889 * [taylor]: Taking taylor expansion of (/ y (- x y)) in y
0.889 * [taylor]: Taking taylor expansion of y in y
0.889 * [taylor]: Taking taylor expansion of (- x y) in y
0.889 * [taylor]: Taking taylor expansion of x in y
0.889 * [taylor]: Taking taylor expansion of y in y
0.889 * [taylor]: Taking taylor expansion of (/ y (- x y)) in y
0.889 * [taylor]: Taking taylor expansion of y in y
0.889 * [taylor]: Taking taylor expansion of (- x y) in y
0.889 * [taylor]: Taking taylor expansion of x in y
0.889 * [taylor]: Taking taylor expansion of y in y
0.890 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.890 * [taylor]: Taking taylor expansion of x in x
0.891 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.891 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.891 * [taylor]: Taking taylor expansion of x in x
0.894 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.894 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.894 * [taylor]: Taking taylor expansion of x in x
0.901 * [approximate]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in (y x) around 0
0.901 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in x
0.901 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.901 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.901 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.901 * [taylor]: Taking taylor expansion of x in x
0.901 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.901 * [taylor]: Taking taylor expansion of y in x
0.901 * [taylor]: Taking taylor expansion of y in x
0.902 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in y
0.902 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.902 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.902 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.902 * [taylor]: Taking taylor expansion of x in y
0.902 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.902 * [taylor]: Taking taylor expansion of y in y
0.902 * [taylor]: Taking taylor expansion of y in y
0.904 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in y
0.904 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.904 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.904 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.904 * [taylor]: Taking taylor expansion of x in y
0.904 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.904 * [taylor]: Taking taylor expansion of y in y
0.905 * [taylor]: Taking taylor expansion of y in y
0.907 * [taylor]: Taking taylor expansion of -1 in x
0.908 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.909 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.909 * [taylor]: Taking taylor expansion of x in x
0.912 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2))) in x
0.912 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.912 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.912 * [taylor]: Taking taylor expansion of x in x
0.917 * [approximate]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in (y x) around 0
0.917 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.917 * [taylor]: Taking taylor expansion of -1 in x
0.917 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.917 * [taylor]: Taking taylor expansion of y in x
0.917 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.917 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.917 * [taylor]: Taking taylor expansion of y in x
0.917 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.917 * [taylor]: Taking taylor expansion of x in x
0.918 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.918 * [taylor]: Taking taylor expansion of -1 in y
0.918 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.918 * [taylor]: Taking taylor expansion of y in y
0.918 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.918 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.918 * [taylor]: Taking taylor expansion of y in y
0.918 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.918 * [taylor]: Taking taylor expansion of x in y
0.920 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.920 * [taylor]: Taking taylor expansion of -1 in y
0.920 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.920 * [taylor]: Taking taylor expansion of y in y
0.920 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.920 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.920 * [taylor]: Taking taylor expansion of y in y
0.920 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.920 * [taylor]: Taking taylor expansion of x in y
0.922 * [taylor]: Taking taylor expansion of -1 in x
0.924 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.924 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.924 * [taylor]: Taking taylor expansion of x in x
0.928 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2))) in x
0.928 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.928 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.928 * [taylor]: Taking taylor expansion of x in x
0.932 * * * [progress]: simplifying candidates
0.933 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (* 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)
  (- (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
0.936 * * [simplify]: iteration  0 :  116  enodes  (cost  915 )
0.964 * * [simplify]: iteration  1 :  311  enodes  (cost  856 )
1.136 * * [simplify]: iteration  2 :  1309  enodes  (cost  756 )
1.563 * * [simplify]: iteration  done :  5000  enodes  (cost  756 )
1.564 * [simplify]: Simplified to:
   (* (* x 2.0) (/ y (- x y)))
  (* (* 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))))
  (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)
  (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) (* (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))))
  (* (* (cbrt y) (cbrt y)) (* 2.0 x))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) (+ (sqrt x) (sqrt y))))
  (* (* (cbrt y) (cbrt y)) (* 2.0 x))
  (* (* x 2.0) (/ (sqrt y) (* (cbrt (- x y)) (cbrt (- x y)))))
  (* (* x 2.0) (/ (sqrt y) (sqrt (- x y))))
  (* (* x 2.0) (sqrt y))
  (* (* x 2.0) (/ (sqrt y) (+ (sqrt x) (sqrt y))))
  (* (* x 2.0) (sqrt y))
  (/ (* 2.0 x) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (* 2.0 x) (sqrt (- x y)))
  (* 2.0 x)
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (* 2.0 x)
  (* 2.0 x)
  (* (* 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)
  (log (/ y (- x y)))
  (log (/ y (- x y)))
  (exp (/ y (- x y)))
  (pow (/ y (- x y)) 3)
  (* (cbrt (/ y (- x y))) (cbrt (/ y (- x y))))
  (cbrt (/ y (- x y)))
  (pow (/ y (- x y)) 3)
  (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))
  (/ (cbrt y) (- x y))
  (/ (* (cbrt y) (cbrt y)) (+ (sqrt x) (sqrt y)))
  (/ (cbrt y) (- (sqrt x) (sqrt y)))
  (* (cbrt y) (cbrt y))
  (/ (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)
  (/ (sqrt y) (- x y))
  (/ (sqrt y) (+ (sqrt x) (sqrt y)))
  (/ (sqrt y) (- (sqrt x) (sqrt y)))
  (sqrt y)
  (/ (sqrt y) (- x y))
  (/ (/ 1 (cbrt (- x y))) (cbrt (- x y)))
  (/ y (cbrt (- x y)))
  (/ 1 (sqrt (- x y)))
  (/ y (sqrt (- x y)))
  1
  (/ y (- x y))
  (/ 1 (+ (sqrt x) (sqrt y)))
  (/ y (- (sqrt x) (sqrt y)))
  1
  (/ y (- x y))
  (/ 1 (- x y))
  (/ (- x y) y)
  (/ y (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (sqrt (- x y)))
  y
  (/ y (+ (sqrt x) (sqrt y)))
  y
  (/ (- 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
1.564 * * * [progress]: adding candidates to table
1.692 * * [progress]: iteration 3 / 4
1.693 * * * [progress]: picking best candidate
1.698 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>
1.698 * * * [progress]: localizing error
1.704 * * * [progress]: generating rewritten candidates
1.704 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
1.714 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
1.728 * * * [progress]: generating series expansions
1.728 * * * * [progress]: [ 1 / 2 ] generating series at (2)
1.728 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
1.728 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
1.728 * [taylor]: Taking taylor expansion of 2.0 in y
1.729 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
1.729 * [taylor]: Taking taylor expansion of (* x y) in y
1.729 * [taylor]: Taking taylor expansion of x in y
1.729 * [taylor]: Taking taylor expansion of y in y
1.729 * [taylor]: Taking taylor expansion of (- x y) in y
1.729 * [taylor]: Taking taylor expansion of x in y
1.729 * [taylor]: Taking taylor expansion of y in y
1.730 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
1.730 * [taylor]: Taking taylor expansion of 2.0 in x
1.730 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
1.730 * [taylor]: Taking taylor expansion of (* x y) in x
1.730 * [taylor]: Taking taylor expansion of x in x
1.730 * [taylor]: Taking taylor expansion of y in x
1.730 * [taylor]: Taking taylor expansion of (- x y) in x
1.730 * [taylor]: Taking taylor expansion of x in x
1.730 * [taylor]: Taking taylor expansion of y in x
1.730 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
1.730 * [taylor]: Taking taylor expansion of 2.0 in x
1.730 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
1.730 * [taylor]: Taking taylor expansion of (* x y) in x
1.730 * [taylor]: Taking taylor expansion of x in x
1.730 * [taylor]: Taking taylor expansion of y in x
1.730 * [taylor]: Taking taylor expansion of (- x y) in x
1.730 * [taylor]: Taking taylor expansion of x in x
1.730 * [taylor]: Taking taylor expansion of y in x
1.731 * [taylor]: Taking taylor expansion of -2.0 in y
1.732 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
1.732 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
1.732 * [taylor]: Taking taylor expansion of 2.0 in y
1.732 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.732 * [taylor]: Taking taylor expansion of y in y
1.736 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
1.736 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.736 * [taylor]: Taking taylor expansion of 2.0 in y
1.736 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.736 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.736 * [taylor]: Taking taylor expansion of y in y
1.741 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
1.741 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
1.741 * [taylor]: Taking taylor expansion of 2.0 in y
1.741 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
1.741 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
1.741 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.741 * [taylor]: Taking taylor expansion of x in y
1.742 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.742 * [taylor]: Taking taylor expansion of y in y
1.742 * [taylor]: Taking taylor expansion of (* x y) in y
1.742 * [taylor]: Taking taylor expansion of x in y
1.742 * [taylor]: Taking taylor expansion of y in y
1.744 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
1.744 * [taylor]: Taking taylor expansion of 2.0 in x
1.744 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
1.744 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.744 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.744 * [taylor]: Taking taylor expansion of x in x
1.744 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.744 * [taylor]: Taking taylor expansion of y in x
1.744 * [taylor]: Taking taylor expansion of (* x y) in x
1.744 * [taylor]: Taking taylor expansion of x in x
1.744 * [taylor]: Taking taylor expansion of y in x
1.745 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
1.745 * [taylor]: Taking taylor expansion of 2.0 in x
1.745 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
1.745 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.745 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.745 * [taylor]: Taking taylor expansion of x in x
1.746 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.746 * [taylor]: Taking taylor expansion of y in x
1.746 * [taylor]: Taking taylor expansion of (* x y) in x
1.746 * [taylor]: Taking taylor expansion of x in x
1.746 * [taylor]: Taking taylor expansion of y in x
1.747 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
1.747 * [taylor]: Taking taylor expansion of 2.0 in y
1.747 * [taylor]: Taking taylor expansion of y in y
1.750 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.750 * [taylor]: Taking taylor expansion of 2.0 in y
1.750 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.750 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.750 * [taylor]: Taking taylor expansion of y in y
1.756 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
1.756 * [taylor]: Taking taylor expansion of 2.0 in y
1.756 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
1.756 * [taylor]: Taking taylor expansion of (pow y 3) in y
1.756 * [taylor]: Taking taylor expansion of y in y
1.764 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
1.764 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
1.764 * [taylor]: Taking taylor expansion of 2.0 in y
1.764 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
1.764 * [taylor]: Taking taylor expansion of x in y
1.764 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
1.764 * [taylor]: Taking taylor expansion of y in y
1.764 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
1.764 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.764 * [taylor]: Taking taylor expansion of y in y
1.764 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.764 * [taylor]: Taking taylor expansion of x in y
1.766 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
1.766 * [taylor]: Taking taylor expansion of 2.0 in x
1.766 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
1.766 * [taylor]: Taking taylor expansion of x in x
1.766 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
1.766 * [taylor]: Taking taylor expansion of y in x
1.766 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.766 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.766 * [taylor]: Taking taylor expansion of y in x
1.766 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.766 * [taylor]: Taking taylor expansion of x in x
1.768 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
1.768 * [taylor]: Taking taylor expansion of 2.0 in x
1.768 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
1.768 * [taylor]: Taking taylor expansion of x in x
1.768 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
1.768 * [taylor]: Taking taylor expansion of y in x
1.768 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.768 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.768 * [taylor]: Taking taylor expansion of y in x
1.768 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.768 * [taylor]: Taking taylor expansion of x in x
1.770 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
1.770 * [taylor]: Taking taylor expansion of -2.0 in y
1.770 * [taylor]: Taking taylor expansion of y in y
1.773 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
1.773 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.773 * [taylor]: Taking taylor expansion of 2.0 in y
1.773 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.773 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.773 * [taylor]: Taking taylor expansion of y in y
1.779 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
1.779 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
1.779 * [taylor]: Taking taylor expansion of 2.0 in y
1.779 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
1.779 * [taylor]: Taking taylor expansion of (pow y 3) in y
1.779 * [taylor]: Taking taylor expansion of y in y
1.787 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
1.787 * [approximate]: Taking taylor expansion of (/ (- x y) y) in (x y) around 0
1.787 * [taylor]: Taking taylor expansion of (/ (- x y) y) in y
1.787 * [taylor]: Taking taylor expansion of (- x y) in y
1.787 * [taylor]: Taking taylor expansion of x in y
1.787 * [taylor]: Taking taylor expansion of y in y
1.787 * [taylor]: Taking taylor expansion of y in y
1.787 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
1.787 * [taylor]: Taking taylor expansion of (- x y) in x
1.787 * [taylor]: Taking taylor expansion of x in x
1.787 * [taylor]: Taking taylor expansion of y in x
1.788 * [taylor]: Taking taylor expansion of y in x
1.788 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
1.788 * [taylor]: Taking taylor expansion of (- x y) in x
1.788 * [taylor]: Taking taylor expansion of x in x
1.788 * [taylor]: Taking taylor expansion of y in x
1.788 * [taylor]: Taking taylor expansion of y in x
1.788 * [taylor]: Taking taylor expansion of -1 in y
1.788 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.788 * [taylor]: Taking taylor expansion of y in y
1.789 * [taylor]: Taking taylor expansion of 0 in y
1.790 * [taylor]: Taking taylor expansion of 0 in y
1.791 * [taylor]: Taking taylor expansion of 0 in y
1.792 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in (x y) around 0
1.792 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
1.792 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
1.792 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.792 * [taylor]: Taking taylor expansion of x in y
1.792 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.792 * [taylor]: Taking taylor expansion of y in y
1.792 * [taylor]: Taking taylor expansion of y in y
1.792 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
1.792 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.792 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.792 * [taylor]: Taking taylor expansion of x in x
1.792 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.792 * [taylor]: Taking taylor expansion of y in x
1.792 * [taylor]: Taking taylor expansion of y in x
1.792 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
1.792 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.792 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.792 * [taylor]: Taking taylor expansion of x in x
1.793 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.793 * [taylor]: Taking taylor expansion of y in x
1.793 * [taylor]: Taking taylor expansion of y in x
1.793 * [taylor]: Taking taylor expansion of y in y
1.794 * [taylor]: Taking taylor expansion of (- 1) in y
1.794 * [taylor]: Taking taylor expansion of 1 in y
1.795 * [taylor]: Taking taylor expansion of 0 in y
1.800 * [taylor]: Taking taylor expansion of 0 in y
1.802 * [taylor]: Taking taylor expansion of 0 in y
1.803 * [approximate]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in (x y) around 0
1.803 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in y
1.803 * [taylor]: Taking taylor expansion of -1 in y
1.803 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
1.803 * [taylor]: Taking taylor expansion of y in y
1.803 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
1.803 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.803 * [taylor]: Taking taylor expansion of y in y
1.803 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.803 * [taylor]: Taking taylor expansion of x in y
1.803 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
1.803 * [taylor]: Taking taylor expansion of -1 in x
1.803 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
1.803 * [taylor]: Taking taylor expansion of y in x
1.804 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.804 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.804 * [taylor]: Taking taylor expansion of y in x
1.804 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.804 * [taylor]: Taking taylor expansion of x in x
1.804 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
1.804 * [taylor]: Taking taylor expansion of -1 in x
1.804 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
1.804 * [taylor]: Taking taylor expansion of y in x
1.804 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.804 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.804 * [taylor]: Taking taylor expansion of y in x
1.804 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.804 * [taylor]: Taking taylor expansion of x in x
1.805 * [taylor]: Taking taylor expansion of y in y
1.806 * [taylor]: Taking taylor expansion of (- 1) in y
1.806 * [taylor]: Taking taylor expansion of 1 in y
1.808 * [taylor]: Taking taylor expansion of 0 in y
1.810 * [taylor]: Taking taylor expansion of 0 in y
1.814 * [taylor]: Taking taylor expansion of 0 in y
1.814 * * * [progress]: simplifying candidates
1.815 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (+ (log x) (log 2.0)) (- (log (- x y)) (log y)))
  (- (+ (log x) (log 2.0)) (log (/ (- x y) y)))
  (- (log (* x 2.0)) (- (log (- x y)) (log y)))
  (- (log (* x 2.0)) (log (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (exp (/ (* x 2.0) (/ (- x y) y)))
  (/ (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (/ (* (* (- x y) (- x y)) (- x y)) (* (* y y) y)))
  (/ (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* (/ (- x y) y) (/ (- x y) y)) (/ (- x y) y)))
  (/ (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (/ (* (* (- x y) (- x y)) (- x y)) (* (* y y) y)))
  (/ (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* (/ (- x y) y) (/ (- x y) y)) (/ (- x y) y)))
  (* (cbrt (/ (* x 2.0) (/ (- x y) y))) (cbrt (/ (* x 2.0) (/ (- x y) y))))
  (cbrt (/ (* x 2.0) (/ (- x y) y)))
  (* (* (/ (* x 2.0) (/ (- x y) y)) (/ (* x 2.0) (/ (- x y) y))) (/ (* x 2.0) (/ (- x y) y)))
  (sqrt (/ (* x 2.0) (/ (- x y) y)))
  (sqrt (/ (* x 2.0) (/ (- x y) y)))
  (- (* x 2.0))
  (- (/ (- x y) y))
  (/ x (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y))))
  (/ 2.0 (cbrt (/ (- x y) y)))
  (/ x (sqrt (/ (- x y) y)))
  (/ 2.0 (sqrt (/ (- x y) y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (cbrt (- x y)) (cbrt y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y)))
  (/ 2.0 (/ (cbrt (- x y)) (sqrt y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) 1))
  (/ 2.0 (/ (cbrt (- x y)) y))
  (/ x (/ (sqrt (- x y)) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (sqrt (- x y)) (cbrt y)))
  (/ x (/ (sqrt (- x y)) (sqrt y)))
  (/ 2.0 (/ (sqrt (- x y)) (sqrt y)))
  (/ x (/ (sqrt (- x y)) 1))
  (/ 2.0 (/ (sqrt (- x y)) y))
  (/ x (/ 1 (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (- x y) (cbrt y)))
  (/ x (/ 1 (sqrt y)))
  (/ 2.0 (/ (- x y) (sqrt y)))
  (/ x (/ 1 1))
  (/ 2.0 (/ (- x y) y))
  (/ x (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) (cbrt y)))
  (/ x (/ (+ (sqrt x) (sqrt y)) (sqrt y)))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) (sqrt y)))
  (/ x (/ (+ (sqrt x) (sqrt y)) 1))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) y))
  (/ x (/ 1 (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (- x y) (cbrt y)))
  (/ x (/ 1 (sqrt y)))
  (/ 2.0 (/ (- x y) (sqrt y)))
  (/ x (/ 1 1))
  (/ 2.0 (/ (- x y) y))
  (/ x 1)
  (/ 2.0 (/ (- x y) y))
  (/ x (- x y))
  (/ 2.0 (/ 1 y))
  (/ 1 (/ (- x y) y))
  (/ (/ (- x y) y) (* x 2.0))
  (/ (* x 2.0) (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y))))
  (/ (* x 2.0) (sqrt (/ (- x y) y)))
  (/ (* x 2.0) (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y)))
  (/ (* x 2.0) (/ (* (cbrt (- x y)) (cbrt (- x y))) 1))
  (/ (* x 2.0) (/ (sqrt (- x y)) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (sqrt (- x y)) (sqrt y)))
  (/ (* x 2.0) (/ (sqrt (- x y)) 1))
  (/ (* x 2.0) (/ 1 (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ 1 (sqrt y)))
  (/ (* x 2.0) (/ 1 1))
  (/ (* x 2.0) (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (+ (sqrt x) (sqrt y)) (sqrt y)))
  (/ (* x 2.0) (/ (+ (sqrt x) (sqrt y)) 1))
  (/ (* x 2.0) (/ 1 (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ 1 (sqrt y)))
  (/ (* x 2.0) (/ 1 1))
  (/ (* x 2.0) 1)
  (/ (* x 2.0) (- x y))
  (/ (/ (- x y) y) 2.0)
  (/ (* x 2.0) (- x y))
  (- (log (- x y)) (log y))
  (log (/ (- x y) y))
  (exp (/ (- x y) y))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* y y) y))
  (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y)))
  (cbrt (/ (- x y) y))
  (* (* (/ (- x y) y) (/ (- x y) y)) (/ (- x y) y))
  (sqrt (/ (- x y) y))
  (sqrt (/ (- x y) y))
  (- (- x y))
  (- y)
  (/ x y)
  (/ y y)
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (- x y)) (cbrt y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y))
  (/ (cbrt (- x y)) (sqrt y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) 1)
  (/ (cbrt (- x y)) y)
  (/ (sqrt (- x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (- x y)) (cbrt y))
  (/ (sqrt (- x y)) (sqrt y))
  (/ (sqrt (- x y)) (sqrt y))
  (/ (sqrt (- x y)) 1)
  (/ (sqrt (- x y)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x y) (sqrt y))
  (/ 1 1)
  (/ (- x y) y)
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (- (sqrt x) (sqrt y)) (cbrt y))
  (/ (+ (sqrt x) (sqrt y)) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) (sqrt y))
  (/ (+ (sqrt x) (sqrt y)) 1)
  (/ (- (sqrt x) (sqrt y)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x y) (sqrt y))
  (/ 1 1)
  (/ (- x y) y)
  (/ 1 y)
  (/ y (- x y))
  (/ (- x y) (* (cbrt y) (cbrt y)))
  (/ (- x y) (sqrt y))
  (/ (- x y) 1)
  (/ y (cbrt (- x y)))
  (/ y (sqrt (- x y)))
  (/ y (- x y))
  (/ y (- (sqrt x) (sqrt y)))
  (/ y (- x y))
  (* y (+ (* x x) (+ (* y y) (* x y))))
  (* y (+ x y))
  0
  0
  0
  (- (/ x y) 1)
  (- (/ x y) 1)
  (- (/ x y) 1)
1.819 * * [simplify]: iteration  0 :  151  enodes  (cost  1250 )
1.858 * * [simplify]: iteration  1 :  384  enodes  (cost  1177 )
2.034 * * [simplify]: iteration  2 :  1355  enodes  (cost  1063 )
2.498 * * [simplify]: iteration  done :  5000  enodes  (cost  1063 )
2.499 * [simplify]: Simplified to:
   (log (/ (* x 2.0) (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (exp (/ (* x 2.0) (/ (- x y) y)))
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (* (cbrt (/ (* x 2.0) (/ (- x y) y))) (cbrt (/ (* x 2.0) (/ (- x y) y))))
  (cbrt (/ (* x 2.0) (/ (- x y) y)))
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (sqrt (/ (* x 2.0) (/ (- x y) y)))
  (sqrt (/ (* x 2.0) (/ (- x y) y)))
  (- (* x 2.0))
  (- (/ (- x y) y))
  (/ x (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y))))
  (/ 2.0 (cbrt (/ (- x y) y)))
  (/ x (sqrt (/ (- x y) y)))
  (/ 2.0 (sqrt (/ (- x y) y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (cbrt (- x y)) (cbrt y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y)))
  (/ 2.0 (/ (cbrt (- x y)) (sqrt y)))
  (/ x (* (cbrt (- x y)) (cbrt (- x y))))
  (/ 2.0 (/ (cbrt (- x y)) y))
  (/ x (/ (sqrt (- x y)) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (sqrt (- x y)) (cbrt y)))
  (/ x (/ (sqrt (- x y)) (sqrt y)))
  (/ 2.0 (/ (sqrt (- x y)) (sqrt y)))
  (/ x (sqrt (- x y)))
  (/ 2.0 (/ (sqrt (- x y)) y))
  (* x (* (cbrt y) (cbrt y)))
  (/ 2.0 (/ (- x y) (cbrt y)))
  (* x (sqrt y))
  (/ 2.0 (/ (- x y) (sqrt y)))
  x
  (/ 2.0 (/ (- x y) y))
  (/ x (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) (cbrt y)))
  (/ x (/ (+ (sqrt x) (sqrt y)) (sqrt y)))
  (/ 2.0 (- (/ (sqrt x) (sqrt y)) 1))
  (/ x (+ (sqrt x) (sqrt y)))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) y))
  (* x (* (cbrt y) (cbrt y)))
  (/ 2.0 (/ (- x y) (cbrt y)))
  (* x (sqrt y))
  (/ 2.0 (/ (- x y) (sqrt y)))
  x
  (/ 2.0 (/ (- x y) y))
  x
  (/ 2.0 (/ (- x y) y))
  (/ x (- x y))
  (* 2.0 y)
  (/ 1 (/ (- x y) y))
  (/ (/ (- x y) y) (* x 2.0))
  (/ (* x 2.0) (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y))))
  (/ (* x 2.0) (sqrt (/ (- x y) y)))
  (/ (* x 2.0) (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) 2.0))
  (/ (* x 2.0) (/ (sqrt (- x y)) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (sqrt (- x y)) (sqrt y)))
  (/ (* x 2.0) (sqrt (- x y)))
  (* (* x 2.0) (* (cbrt y) (cbrt y)))
  (* (* x 2.0) (sqrt y))
  (* x 2.0)
  (/ (* x 2.0) (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (+ (sqrt x) (sqrt y)) (sqrt y)))
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (* (* x 2.0) (* (cbrt y) (cbrt y)))
  (* (* x 2.0) (sqrt y))
  (* x 2.0)
  (* x 2.0)
  (/ (* x 2.0) (- x y))
  (/ (/ (- x y) y) 2.0)
  (/ (* x 2.0) (- x y))
  (log (/ (- x y) y))
  (log (/ (- x y) y))
  (exp (/ (- x y) y))
  (pow (/ (- x y) y) 3)
  (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y)))
  (cbrt (/ (- x y) y))
  (pow (/ (- x y) y) 3)
  (sqrt (/ (- x y) y))
  (sqrt (/ (- x y) y))
  (- (- x y))
  (- y)
  (/ x y)
  1
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (- x y)) (cbrt y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y))
  (/ (cbrt (- x y)) (sqrt y))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) y)
  (/ (sqrt (- x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (- x y)) (cbrt y))
  (/ (sqrt (- x y)) (sqrt y))
  (/ (sqrt (- x y)) (sqrt y))
  (sqrt (- x y))
  (/ (sqrt (- x y)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x y) (sqrt y))
  1
  (/ (- x y) y)
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (- (sqrt x) (sqrt y)) (cbrt y))
  (/ (+ (sqrt x) (sqrt y)) (sqrt y))
  (- (/ (sqrt x) (sqrt y)) 1)
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x y) (sqrt y))
  1
  (/ (- x y) y)
  (/ 1 y)
  (/ y (- x y))
  (/ (- x y) (* (cbrt y) (cbrt y)))
  (/ (- x y) (sqrt y))
  (- x y)
  (/ y (cbrt (- x y)))
  (/ y (sqrt (- x y)))
  (/ y (- x y))
  (/ y (- (sqrt x) (sqrt y)))
  (/ y (- x y))
  (* y (+ (* x x) (* y (+ x y))))
  (* y (+ x y))
  0
  0
  0
  (/ (- x y) y)
  (/ (- x y) y)
  (/ (- x y) y)
2.500 * * * [progress]: adding candidates to table
2.672 * * [progress]: iteration 4 / 4
2.672 * * * [progress]: picking best candidate
2.673 * * * * [pick]: Picked  #<alt (λ (x y) (* (/ x (- x y)) (* 2.0 y)))>
2.673 * * * [progress]: localizing error
2.679 * * * [progress]: generating rewritten candidates
2.679 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
2.702 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
2.710 * * * [progress]: generating series expansions
2.710 * * * * [progress]: [ 1 / 2 ] generating series at (2)
2.711 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
2.711 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
2.711 * [taylor]: Taking taylor expansion of 2.0 in y
2.711 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
2.711 * [taylor]: Taking taylor expansion of (* x y) in y
2.711 * [taylor]: Taking taylor expansion of x in y
2.711 * [taylor]: Taking taylor expansion of y in y
2.711 * [taylor]: Taking taylor expansion of (- x y) in y
2.711 * [taylor]: Taking taylor expansion of x in y
2.711 * [taylor]: Taking taylor expansion of y in y
2.712 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
2.712 * [taylor]: Taking taylor expansion of 2.0 in x
2.712 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
2.712 * [taylor]: Taking taylor expansion of (* x y) in x
2.712 * [taylor]: Taking taylor expansion of x in x
2.712 * [taylor]: Taking taylor expansion of y in x
2.712 * [taylor]: Taking taylor expansion of (- x y) in x
2.712 * [taylor]: Taking taylor expansion of x in x
2.712 * [taylor]: Taking taylor expansion of y in x
2.712 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
2.712 * [taylor]: Taking taylor expansion of 2.0 in x
2.712 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
2.712 * [taylor]: Taking taylor expansion of (* x y) in x
2.712 * [taylor]: Taking taylor expansion of x in x
2.712 * [taylor]: Taking taylor expansion of y in x
2.712 * [taylor]: Taking taylor expansion of (- x y) in x
2.712 * [taylor]: Taking taylor expansion of x in x
2.712 * [taylor]: Taking taylor expansion of y in x
2.713 * [taylor]: Taking taylor expansion of -2.0 in y
2.714 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
2.714 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
2.714 * [taylor]: Taking taylor expansion of 2.0 in y
2.714 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.715 * [taylor]: Taking taylor expansion of y in y
2.718 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
2.718 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
2.718 * [taylor]: Taking taylor expansion of 2.0 in y
2.718 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.718 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.718 * [taylor]: Taking taylor expansion of y in y
2.723 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
2.723 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
2.723 * [taylor]: Taking taylor expansion of 2.0 in y
2.724 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
2.724 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
2.724 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.724 * [taylor]: Taking taylor expansion of x in y
2.724 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.724 * [taylor]: Taking taylor expansion of y in y
2.724 * [taylor]: Taking taylor expansion of (* x y) in y
2.724 * [taylor]: Taking taylor expansion of x in y
2.724 * [taylor]: Taking taylor expansion of y in y
2.726 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
2.726 * [taylor]: Taking taylor expansion of 2.0 in x
2.726 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
2.726 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
2.726 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.726 * [taylor]: Taking taylor expansion of x in x
2.726 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.726 * [taylor]: Taking taylor expansion of y in x
2.726 * [taylor]: Taking taylor expansion of (* x y) in x
2.726 * [taylor]: Taking taylor expansion of x in x
2.726 * [taylor]: Taking taylor expansion of y in x
2.727 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
2.727 * [taylor]: Taking taylor expansion of 2.0 in x
2.727 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
2.727 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
2.727 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.727 * [taylor]: Taking taylor expansion of x in x
2.728 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.728 * [taylor]: Taking taylor expansion of y in x
2.728 * [taylor]: Taking taylor expansion of (* x y) in x
2.728 * [taylor]: Taking taylor expansion of x in x
2.728 * [taylor]: Taking taylor expansion of y in x
2.729 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
2.729 * [taylor]: Taking taylor expansion of 2.0 in y
2.729 * [taylor]: Taking taylor expansion of y in y
2.732 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
2.732 * [taylor]: Taking taylor expansion of 2.0 in y
2.732 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.732 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.732 * [taylor]: Taking taylor expansion of y in y
2.738 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
2.738 * [taylor]: Taking taylor expansion of 2.0 in y
2.738 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
2.738 * [taylor]: Taking taylor expansion of (pow y 3) in y
2.738 * [taylor]: Taking taylor expansion of y in y
2.746 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
2.746 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
2.746 * [taylor]: Taking taylor expansion of 2.0 in y
2.746 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
2.746 * [taylor]: Taking taylor expansion of x in y
2.746 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
2.746 * [taylor]: Taking taylor expansion of y in y
2.746 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
2.746 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.746 * [taylor]: Taking taylor expansion of y in y
2.747 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.747 * [taylor]: Taking taylor expansion of x in y
2.748 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
2.748 * [taylor]: Taking taylor expansion of 2.0 in x
2.748 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
2.748 * [taylor]: Taking taylor expansion of x in x
2.748 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
2.748 * [taylor]: Taking taylor expansion of y in x
2.748 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
2.748 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.748 * [taylor]: Taking taylor expansion of y in x
2.748 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.748 * [taylor]: Taking taylor expansion of x in x
2.750 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
2.750 * [taylor]: Taking taylor expansion of 2.0 in x
2.750 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
2.750 * [taylor]: Taking taylor expansion of x in x
2.750 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
2.750 * [taylor]: Taking taylor expansion of y in x
2.750 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
2.750 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.750 * [taylor]: Taking taylor expansion of y in x
2.750 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.750 * [taylor]: Taking taylor expansion of x in x
2.752 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
2.753 * [taylor]: Taking taylor expansion of -2.0 in y
2.753 * [taylor]: Taking taylor expansion of y in y
2.755 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
2.755 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
2.755 * [taylor]: Taking taylor expansion of 2.0 in y
2.755 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.755 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.755 * [taylor]: Taking taylor expansion of y in y
2.761 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
2.761 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
2.761 * [taylor]: Taking taylor expansion of 2.0 in y
2.761 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
2.761 * [taylor]: Taking taylor expansion of (pow y 3) in y
2.761 * [taylor]: Taking taylor expansion of y in y
2.769 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
2.769 * [approximate]: Taking taylor expansion of (/ x (- x y)) in (x y) around 0
2.769 * [taylor]: Taking taylor expansion of (/ x (- x y)) in y
2.769 * [taylor]: Taking taylor expansion of x in y
2.769 * [taylor]: Taking taylor expansion of (- x y) in y
2.769 * [taylor]: Taking taylor expansion of x in y
2.769 * [taylor]: Taking taylor expansion of y in y
2.769 * [taylor]: Taking taylor expansion of (/ x (- x y)) in x
2.770 * [taylor]: Taking taylor expansion of x in x
2.770 * [taylor]: Taking taylor expansion of (- x y) in x
2.770 * [taylor]: Taking taylor expansion of x in x
2.770 * [taylor]: Taking taylor expansion of y in x
2.770 * [taylor]: Taking taylor expansion of (/ x (- x y)) in x
2.770 * [taylor]: Taking taylor expansion of x in x
2.770 * [taylor]: Taking taylor expansion of (- x y) in x
2.770 * [taylor]: Taking taylor expansion of x in x
2.770 * [taylor]: Taking taylor expansion of y in x
2.770 * [taylor]: Taking taylor expansion of (/ -1 y) in y
2.770 * [taylor]: Taking taylor expansion of -1 in y
2.770 * [taylor]: Taking taylor expansion of y in y
2.771 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
2.771 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.771 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.771 * [taylor]: Taking taylor expansion of y in y
2.778 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 3))) in y
2.778 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
2.778 * [taylor]: Taking taylor expansion of (pow y 3) in y
2.778 * [taylor]: Taking taylor expansion of y in y
2.785 * [approximate]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) x)) in (x y) around 0
2.785 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) x)) in y
2.785 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in y
2.785 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
2.785 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.785 * [taylor]: Taking taylor expansion of x in y
2.785 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.785 * [taylor]: Taking taylor expansion of y in y
2.785 * [taylor]: Taking taylor expansion of x in y
2.786 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) x)) in x
2.786 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in x
2.786 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
2.786 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.786 * [taylor]: Taking taylor expansion of x in x
2.786 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.786 * [taylor]: Taking taylor expansion of y in x
2.786 * [taylor]: Taking taylor expansion of x in x
2.788 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) x)) in x
2.788 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in x
2.788 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
2.788 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.788 * [taylor]: Taking taylor expansion of x in x
2.788 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.788 * [taylor]: Taking taylor expansion of y in x
2.788 * [taylor]: Taking taylor expansion of x in x
2.790 * [taylor]: Taking taylor expansion of 1 in y
2.791 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.791 * [taylor]: Taking taylor expansion of y in y
2.795 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.795 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.795 * [taylor]: Taking taylor expansion of y in y
2.799 * [approximate]: Taking taylor expansion of (/ -1 (* x (- (/ 1 y) (/ 1 x)))) in (x y) around 0
2.799 * [taylor]: Taking taylor expansion of (/ -1 (* x (- (/ 1 y) (/ 1 x)))) in y
2.799 * [taylor]: Taking taylor expansion of -1 in y
2.799 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in y
2.799 * [taylor]: Taking taylor expansion of x in y
2.799 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
2.799 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.799 * [taylor]: Taking taylor expansion of y in y
2.799 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.799 * [taylor]: Taking taylor expansion of x in y
2.800 * [taylor]: Taking taylor expansion of (/ -1 (* x (- (/ 1 y) (/ 1 x)))) in x
2.800 * [taylor]: Taking taylor expansion of -1 in x
2.800 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
2.800 * [taylor]: Taking taylor expansion of x in x
2.800 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
2.800 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.800 * [taylor]: Taking taylor expansion of y in x
2.800 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.800 * [taylor]: Taking taylor expansion of x in x
2.802 * [taylor]: Taking taylor expansion of (/ -1 (* x (- (/ 1 y) (/ 1 x)))) in x
2.802 * [taylor]: Taking taylor expansion of -1 in x
2.802 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
2.802 * [taylor]: Taking taylor expansion of x in x
2.802 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
2.802 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.802 * [taylor]: Taking taylor expansion of y in x
2.802 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.802 * [taylor]: Taking taylor expansion of x in x
2.804 * [taylor]: Taking taylor expansion of 1 in y
2.807 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.807 * [taylor]: Taking taylor expansion of y in y
2.810 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.811 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.811 * [taylor]: Taking taylor expansion of y in y
2.814 * * * [progress]: simplifying candidates
2.815 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (/ x (- x y)) (* 2.0 y))
  (* (/ x (- x y)) (* 2.0 y))
  (+ (- (log x) (log (- x y))) (+ (log 2.0) (log y)))
  (+ (- (log x) (log (- x y))) (log (* 2.0 y)))
  (+ (log (/ x (- x y))) (+ (log 2.0) (log y)))
  (+ (log (/ x (- x y))) (log (* 2.0 y)))
  (log (* (/ x (- x y)) (* 2.0 y)))
  (exp (* (/ x (- x y)) (* 2.0 y)))
  (* (/ (* (* x x) x) (* (* (- x y) (- x y)) (- x y))) (* (* (* 2.0 2.0) 2.0) (* (* y y) y)))
  (* (/ (* (* x x) x) (* (* (- x y) (- x y)) (- x y))) (* (* (* 2.0 y) (* 2.0 y)) (* 2.0 y)))
  (* (* (* (/ x (- x y)) (/ x (- x y))) (/ x (- x y))) (* (* (* 2.0 2.0) 2.0) (* (* y y) y)))
  (* (* (* (/ x (- x y)) (/ x (- x y))) (/ x (- x y))) (* (* (* 2.0 y) (* 2.0 y)) (* 2.0 y)))
  (* (cbrt (* (/ x (- x y)) (* 2.0 y))) (cbrt (* (/ x (- x y)) (* 2.0 y))))
  (cbrt (* (/ x (- x y)) (* 2.0 y)))
  (* (* (* (/ x (- x y)) (* 2.0 y)) (* (/ x (- x y)) (* 2.0 y))) (* (/ x (- x y)) (* 2.0 y)))
  (sqrt (* (/ x (- x y)) (* 2.0 y)))
  (sqrt (* (/ x (- x y)) (* 2.0 y)))
  (* (/ x (- x y)) 2.0)
  (* (cbrt (/ x (- x y))) (* 2.0 y))
  (* (sqrt (/ x (- x y))) (* 2.0 y))
  (* (/ (cbrt x) (cbrt (- x y))) (* 2.0 y))
  (* (/ (cbrt x) (sqrt (- x y))) (* 2.0 y))
  (* (/ (cbrt x) (- x y)) (* 2.0 y))
  (* (/ (cbrt x) (- (sqrt x) (sqrt y))) (* 2.0 y))
  (* (/ (cbrt x) (- x y)) (* 2.0 y))
  (* (/ (sqrt x) (cbrt (- x y))) (* 2.0 y))
  (* (/ (sqrt x) (sqrt (- x y))) (* 2.0 y))
  (* (/ (sqrt x) (- x y)) (* 2.0 y))
  (* (/ (sqrt x) (- (sqrt x) (sqrt y))) (* 2.0 y))
  (* (/ (sqrt x) (- x y)) (* 2.0 y))
  (* (/ x (cbrt (- x y))) (* 2.0 y))
  (* (/ x (sqrt (- x y))) (* 2.0 y))
  (* (/ x (- x y)) (* 2.0 y))
  (* (/ x (- (sqrt x) (sqrt y))) (* 2.0 y))
  (* (/ x (- x y)) (* 2.0 y))
  (* (/ x (- x y)) (* 2.0 y))
  (* (/ 1 (- x y)) (* 2.0 y))
  (* (+ (* x x) (+ (* y y) (* x y))) (* 2.0 y))
  (* (+ x y) (* 2.0 y))
  (* x (* 2.0 y))
  (- (log x) (log (- x y)))
  (log (/ x (- x y)))
  (exp (/ x (- x y)))
  (/ (* (* x x) x) (* (* (- x y) (- x y)) (- 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)))
  (- x)
  (- (- x y))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (cbrt x) (cbrt (- x y)))
  (/ (* (cbrt x) (cbrt x)) (sqrt (- x y)))
  (/ (cbrt x) (sqrt (- x y)))
  (/ (* (cbrt x) (cbrt x)) 1)
  (/ (cbrt x) (- x y))
  (/ (* (cbrt x) (cbrt x)) (+ (sqrt x) (sqrt y)))
  (/ (cbrt x) (- (sqrt x) (sqrt y)))
  (/ (* (cbrt x) (cbrt x)) 1)
  (/ (cbrt x) (- x y))
  (/ (sqrt x) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (sqrt x) (cbrt (- x y)))
  (/ (sqrt x) (sqrt (- x y)))
  (/ (sqrt x) (sqrt (- x y)))
  (/ (sqrt x) 1)
  (/ (sqrt x) (- x y))
  (/ (sqrt x) (+ (sqrt x) (sqrt y)))
  (/ (sqrt x) (- (sqrt x) (sqrt y)))
  (/ (sqrt x) 1)
  (/ (sqrt x) (- x y))
  (/ 1 (* (cbrt (- x y)) (cbrt (- x y))))
  (/ x (cbrt (- x y)))
  (/ 1 (sqrt (- x y)))
  (/ x (sqrt (- x y)))
  (/ 1 1)
  (/ x (- x y))
  (/ 1 (+ (sqrt x) (sqrt y)))
  (/ x (- (sqrt x) (sqrt y)))
  (/ 1 1)
  (/ x (- x y))
  (/ 1 (- x y))
  (/ (- x y) x)
  (/ x (* (cbrt (- x y)) (cbrt (- x y))))
  (/ x (sqrt (- x y)))
  (/ x 1)
  (/ x (+ (sqrt x) (sqrt y)))
  (/ x 1)
  (/ (- x y) (cbrt x))
  (/ (- x y) (sqrt x))
  (/ (- x y) x)
  (/ x (- (pow x 3) (pow y 3)))
  (/ x (- (* x x) (* y y)))
  0
  0
  0
  0
  0
  0
2.819 * * [simplify]: iteration  0 :  119  enodes  (cost  894 )
2.844 * * [simplify]: iteration  1 :  314  enodes  (cost  857 )
2.923 * * [simplify]: iteration  2 :  960  enodes  (cost  755 )
3.914 * * [simplify]: iteration  3 :  4225  enodes  (cost  755 )
4.985 * * [simplify]: iteration  done :  5000  enodes  (cost  754 )
4.986 * [simplify]: Simplified to:
   (* (/ x (- x y)) (* 2.0 y))
  (* (/ x (- x y)) (* 2.0 y))
  (log (* (/ x (- x y)) (* 2.0 y)))
  (log (* (/ x (- x y)) (* 2.0 y)))
  (log (* (/ x (- x y)) (* 2.0 y)))
  (log (* (/ x (- x y)) (* 2.0 y)))
  (log (* (/ x (- x y)) (* 2.0 y)))
  (exp (* (/ x (- x y)) (* 2.0 y)))
  (pow (* (/ x (- x y)) (* 2.0 y)) 3)
  (pow (* (/ x (- x y)) (* 2.0 y)) 3)
  (pow (* (/ x (- x y)) (* 2.0 y)) 3)
  (pow (* (/ x (- x y)) (* 2.0 y)) 3)
  (* (cbrt (* (/ x (- x y)) (* 2.0 y))) (cbrt (* (/ x (- x y)) (* 2.0 y))))
  (cbrt (* (/ x (- x y)) (* 2.0 y)))
  (pow (* (/ x (- x y)) (* 2.0 y)) 3)
  (sqrt (* (/ x (- x y)) (* 2.0 y)))
  (sqrt (* (/ x (- x y)) (* 2.0 y)))
  (* (/ x (- x y)) 2.0)
  (* (cbrt (/ x (- x y))) (* 2.0 y))
  (* (sqrt (/ x (- x y))) (* 2.0 y))
  (* (/ (cbrt x) (cbrt (- x y))) (* 2.0 y))
  (* (/ (cbrt x) (sqrt (- x y))) (* 2.0 y))
  (* (/ (cbrt x) (- x y)) (* 2.0 y))
  (* (/ (cbrt x) (- (sqrt x) (sqrt y))) (* 2.0 y))
  (* (/ (cbrt x) (- x y)) (* 2.0 y))
  (* (/ (sqrt x) (cbrt (- x y))) (* 2.0 y))
  (* (/ (sqrt x) (sqrt (- x y))) (* 2.0 y))
  (* (/ (sqrt x) (- x y)) (* 2.0 y))
  (* (/ (sqrt x) (- (sqrt x) (sqrt y))) (* 2.0 y))
  (* (/ (sqrt x) (- x y)) (* 2.0 y))
  (* (/ x (cbrt (- x y))) (* 2.0 y))
  (* (/ x (sqrt (- x y))) (* 2.0 y))
  (* (/ x (- x y)) (* 2.0 y))
  (* (/ x (- (sqrt x) (sqrt y))) (* 2.0 y))
  (* (/ x (- x y)) (* 2.0 y))
  (* (/ x (- x y)) (* 2.0 y))
  (/ (* 2.0 y) (- x y))
  (* (+ (* y (+ x y)) (* x x)) (* 2.0 y))
  (* (+ x y) (* 2.0 y))
  (* x (* 2.0 y))
  (log (/ x (- x y)))
  (log (/ x (- x y)))
  (exp (/ x (- x y)))
  (pow (/ x (- x y)) 3)
  (* (cbrt (/ x (- x y))) (cbrt (/ x (- x y))))
  (cbrt (/ x (- x y)))
  (pow (/ x (- x y)) 3)
  (sqrt (/ x (- x y)))
  (sqrt (/ x (- x y)))
  (- x)
  (- y x)
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (cbrt x) (cbrt (- x y)))
  (/ (* (cbrt x) (cbrt x)) (sqrt (- x y)))
  (/ (cbrt x) (sqrt (- x y)))
  (* (cbrt x) (cbrt x))
  (/ (cbrt x) (- x y))
  (/ (* (cbrt x) (cbrt x)) (+ (sqrt x) (sqrt y)))
  (/ (cbrt x) (- (sqrt x) (sqrt y)))
  (* (cbrt x) (cbrt x))
  (/ (cbrt x) (- x y))
  (/ (sqrt x) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (sqrt x) (cbrt (- x y)))
  (/ (sqrt x) (sqrt (- x y)))
  (/ (sqrt x) (sqrt (- x y)))
  (sqrt x)
  (/ (sqrt x) (- x y))
  (/ (sqrt x) (+ (sqrt x) (sqrt y)))
  (/ (sqrt x) (- (sqrt x) (sqrt y)))
  (sqrt x)
  (/ (sqrt x) (- x y))
  (/ 1 (* (cbrt (- x y)) (cbrt (- x y))))
  (/ x (cbrt (- x y)))
  (/ 1 (sqrt (- x y)))
  (/ x (sqrt (- x y)))
  1
  (/ x (- x y))
  (/ 1 (+ (sqrt x) (sqrt y)))
  (/ x (- (sqrt x) (sqrt y)))
  1
  (/ x (- x y))
  (/ 1 (- x y))
  (/ (- x y) x)
  (/ x (* (cbrt (- x y)) (cbrt (- x y))))
  (/ x (sqrt (- x y)))
  x
  (/ x (+ (sqrt x) (sqrt y)))
  x
  (/ (- x y) (cbrt x))
  (/ (- x y) (sqrt x))
  (/ (- x y) x)
  (/ x (- (pow x 3) (pow y 3)))
  (/ x (- (* x x) (* y y)))
  0
  0
  0
  0
  0
  0
4.986 * * * [progress]: adding candidates to table
5.129 * [progress]: [Phase 3 of 3] Extracting.
5.129 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))> #<alt (λ (x y) (* (/ x (- x y)) (* 2.0 y)))>)
5.129 * * * [regime-changes]: Trying 2 branch expressions: (y x)
5.129 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))> #<alt (λ (x y) (* (/ x (- x y)) (* 2.0 y)))>)
5.146 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))> #<alt (λ (x y) (* (/ x (- x y)) (* 2.0 y)))>)
5.167 * * * [regime]: Found split indices: #<option (#s(si 1 66) #s(si 0 190) #s(si 1 255))>
5.167 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))> #<alt (λ (x y) (* (/ x (- x y)) (* 2.0 y)))>)
5.222 * [regimes]: Found splitpoints: (#s(sp 1 x -1.7373515760784264e-55) #s(sp 0 x 2.310154674201339e-42) #s(sp 1 x +nan.0)) , with alts (#<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))> #<alt (λ (x y) (* (/ x (- x y)) (* 2.0 y)))>)
5.222 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (if (<= x -1.7373515760784264e-55) (* (/ x (- x y)) (* 2.0 y)) (if (<= x 2.310154674201339e-42) (/ (* x 2.0) (/ (- x y) y)) (* (/ x (- x y)) (* 2.0 y))))
5.223 * * [simplify]: iteration  0 :  16  enodes  (cost  35 )
5.223 * * [simplify]: iteration  1 :  22  enodes  (cost  27 )
5.224 * * [simplify]: iteration  done :  22  enodes  (cost  27 )
5.224 * [simplify]: Simplified to:
   (if (or (<= x -1.7373515760784264e-55) (not (<= x 2.310154674201339e-42))) (* (/ x (- x y)) (* 2.0 y)) (/ (* x 2.0) (/ (- x y) y)))
5.593 * [regime-testing]: Baseline error score: 7.7258971081438785
5.594 * [regime-testing]: Oracle error score: 0.012001500187523441
5.595 * [regime-testing]: End program error score: 0.23720237001018163
5.615 * [regime-testing]: Target error score: 0.39248555128480356