16.028 * [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))
0.015 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.016 * * [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 )
0.065 * * [simplify]: iteration  6 :  166  enodes  (cost  9 )
0.083 * * [simplify]: iteration  7 :  171  enodes  (cost  9 )
0.105 * * [simplify]: iteration  done :  171  enodes  (cost  9 )
0.105 * [simplify]: Simplified to:
   (/ (* (* x 2.0) y) (- x y))
0.105 * * [progress]: iteration 1 / 4
0.105 * * * [progress]: picking best candidate
0.106 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (* x 2.0) y) (- x y)))>
0.106 * * * [progress]: localizing error
0.112 * * * [progress]: generating rewritten candidates
0.112 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.124 * * * [progress]: generating series expansions
0.125 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.125 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.125 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.125 * [taylor]: Taking taylor expansion of 2.0 in y
0.125 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.125 * [taylor]: Taking taylor expansion of (* x y) in y
0.125 * [taylor]: Taking taylor expansion of x in y
0.125 * [taylor]: Taking taylor expansion of y in y
0.125 * [taylor]: Taking taylor expansion of (- x y) in y
0.125 * [taylor]: Taking taylor expansion of x in y
0.125 * [taylor]: Taking taylor expansion of y in y
0.126 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.126 * [taylor]: Taking taylor expansion of 2.0 in x
0.126 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.126 * [taylor]: Taking taylor expansion of (* x y) in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.126 * [taylor]: Taking taylor expansion of y in x
0.126 * [taylor]: Taking taylor expansion of (- x y) in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.126 * [taylor]: Taking taylor expansion of y in x
0.127 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.127 * [taylor]: Taking taylor expansion of 2.0 in x
0.127 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.127 * [taylor]: Taking taylor expansion of (* x y) in x
0.127 * [taylor]: Taking taylor expansion of x in x
0.127 * [taylor]: Taking taylor expansion of y in x
0.127 * [taylor]: Taking taylor expansion of (- x y) in x
0.127 * [taylor]: Taking taylor expansion of x in x
0.127 * [taylor]: Taking taylor expansion of y in x
0.127 * [taylor]: Taking taylor expansion of -2.0 in y
0.129 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.129 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.129 * [taylor]: Taking taylor expansion of 2.0 in y
0.129 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.129 * [taylor]: Taking taylor expansion of y in y
0.133 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.133 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.133 * [taylor]: Taking taylor expansion of 2.0 in y
0.133 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.133 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.133 * [taylor]: Taking taylor expansion of y in y
0.138 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.138 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.138 * [taylor]: Taking taylor expansion of 2.0 in y
0.138 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.138 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.138 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.138 * [taylor]: Taking taylor expansion of x in y
0.138 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.138 * [taylor]: Taking taylor expansion of y in y
0.139 * [taylor]: Taking taylor expansion of (* x y) in y
0.139 * [taylor]: Taking taylor expansion of x in y
0.139 * [taylor]: Taking taylor expansion of y in y
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
0.141 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.141 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.141 * [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 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.142 * [taylor]: Taking taylor expansion of 2.0 in x
0.142 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.142 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.143 * [taylor]: Taking taylor expansion of y in x
0.143 * [taylor]: Taking taylor expansion of (* x y) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of y in x
0.145 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.145 * [taylor]: Taking taylor expansion of 2.0 in y
0.145 * [taylor]: Taking taylor expansion of y in y
0.148 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.148 * [taylor]: Taking taylor expansion of 2.0 in y
0.148 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.148 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.148 * [taylor]: Taking taylor expansion of y in y
0.154 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.154 * [taylor]: Taking taylor expansion of 2.0 in y
0.154 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.154 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.154 * [taylor]: Taking taylor expansion of y in y
0.161 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.161 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.161 * [taylor]: Taking taylor expansion of 2.0 in y
0.161 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.161 * [taylor]: Taking taylor expansion of x in y
0.161 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.161 * [taylor]: Taking taylor expansion of y in y
0.162 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.162 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.162 * [taylor]: Taking taylor expansion of y in y
0.162 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.162 * [taylor]: Taking taylor expansion of x in y
0.164 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.164 * [taylor]: Taking taylor expansion of 2.0 in x
0.164 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.164 * [taylor]: Taking taylor expansion of x in x
0.164 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.164 * [taylor]: Taking taylor expansion of y in x
0.164 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.164 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.164 * [taylor]: Taking taylor expansion of y in x
0.164 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.164 * [taylor]: Taking taylor expansion of x in x
0.166 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.166 * [taylor]: Taking taylor expansion of 2.0 in x
0.166 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.166 * [taylor]: Taking taylor expansion of x in x
0.166 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.166 * [taylor]: Taking taylor expansion of y in x
0.166 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.166 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.166 * [taylor]: Taking taylor expansion of y in x
0.166 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.166 * [taylor]: Taking taylor expansion of x in x
0.168 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.168 * [taylor]: Taking taylor expansion of -2.0 in y
0.168 * [taylor]: Taking taylor expansion of y in y
0.174 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.174 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.174 * [taylor]: Taking taylor expansion of 2.0 in y
0.174 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.174 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.174 * [taylor]: Taking taylor expansion of y in y
0.180 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.180 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.180 * [taylor]: Taking taylor expansion of 2.0 in y
0.180 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.180 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.180 * [taylor]: Taking taylor expansion of y in y
0.188 * * * [progress]: simplifying candidates
0.189 * [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
0.191 * * [simplify]: iteration  0 :  79  enodes  (cost  420 )
0.205 * * [simplify]: iteration  1 :  215  enodes  (cost  400 )
0.257 * * [simplify]: iteration  2 :  983  enodes  (cost  334 )
0.953 * * [simplify]: iteration  done :  5000  enodes  (cost  334 )
0.955 * [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
0.955 * * * [progress]: adding candidates to table
1.010 * * [progress]: iteration 2 / 4
1.010 * * * [progress]: picking best candidate
1.015 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x 2.0) (/ y (- x y))))>
1.015 * * * [progress]: localizing error
1.021 * * * [progress]: generating rewritten candidates
1.021 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
1.038 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
1.047 * * * [progress]: generating series expansions
1.047 * * * * [progress]: [ 1 / 2 ] generating series at (2)
1.047 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
1.047 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
1.047 * [taylor]: Taking taylor expansion of 2.0 in y
1.047 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
1.047 * [taylor]: Taking taylor expansion of (* x y) in y
1.047 * [taylor]: Taking taylor expansion of x in y
1.047 * [taylor]: Taking taylor expansion of y in y
1.047 * [taylor]: Taking taylor expansion of (- x y) in y
1.047 * [taylor]: Taking taylor expansion of x in y
1.047 * [taylor]: Taking taylor expansion of y in y
1.048 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
1.048 * [taylor]: Taking taylor expansion of 2.0 in x
1.048 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
1.048 * [taylor]: Taking taylor expansion of (* x y) in x
1.048 * [taylor]: Taking taylor expansion of x in x
1.048 * [taylor]: Taking taylor expansion of y in x
1.048 * [taylor]: Taking taylor expansion of (- x y) in x
1.048 * [taylor]: Taking taylor expansion of x in x
1.048 * [taylor]: Taking taylor expansion of y in x
1.049 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
1.049 * [taylor]: Taking taylor expansion of 2.0 in x
1.049 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
1.049 * [taylor]: Taking taylor expansion of (* x y) in x
1.049 * [taylor]: Taking taylor expansion of x in x
1.049 * [taylor]: Taking taylor expansion of y in x
1.049 * [taylor]: Taking taylor expansion of (- x y) in x
1.049 * [taylor]: Taking taylor expansion of x in x
1.049 * [taylor]: Taking taylor expansion of y in x
1.049 * [taylor]: Taking taylor expansion of -2.0 in y
1.051 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
1.051 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
1.051 * [taylor]: Taking taylor expansion of 2.0 in y
1.051 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.051 * [taylor]: Taking taylor expansion of y in y
1.055 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
1.055 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.055 * [taylor]: Taking taylor expansion of 2.0 in y
1.055 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.055 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.055 * [taylor]: Taking taylor expansion of y in y
1.060 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
1.060 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
1.060 * [taylor]: Taking taylor expansion of 2.0 in y
1.060 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
1.060 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
1.060 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.060 * [taylor]: Taking taylor expansion of x in y
1.060 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.060 * [taylor]: Taking taylor expansion of y in y
1.060 * [taylor]: Taking taylor expansion of (* x y) in y
1.060 * [taylor]: Taking taylor expansion of x in y
1.060 * [taylor]: Taking taylor expansion of y in y
1.062 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
1.062 * [taylor]: Taking taylor expansion of 2.0 in x
1.062 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
1.062 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.062 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.062 * [taylor]: Taking taylor expansion of x in x
1.063 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.063 * [taylor]: Taking taylor expansion of y in x
1.063 * [taylor]: Taking taylor expansion of (* x y) in x
1.063 * [taylor]: Taking taylor expansion of x in x
1.063 * [taylor]: Taking taylor expansion of y in x
1.064 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
1.064 * [taylor]: Taking taylor expansion of 2.0 in x
1.064 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
1.064 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.064 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.064 * [taylor]: Taking taylor expansion of x in x
1.064 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.064 * [taylor]: Taking taylor expansion of y in x
1.064 * [taylor]: Taking taylor expansion of (* x y) in x
1.064 * [taylor]: Taking taylor expansion of x in x
1.064 * [taylor]: Taking taylor expansion of y in x
1.066 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
1.066 * [taylor]: Taking taylor expansion of 2.0 in y
1.066 * [taylor]: Taking taylor expansion of y in y
1.069 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.069 * [taylor]: Taking taylor expansion of 2.0 in y
1.069 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.069 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.069 * [taylor]: Taking taylor expansion of y in y
1.078 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
1.078 * [taylor]: Taking taylor expansion of 2.0 in y
1.078 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
1.078 * [taylor]: Taking taylor expansion of (pow y 3) in y
1.078 * [taylor]: Taking taylor expansion of y in y
1.086 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
1.086 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
1.086 * [taylor]: Taking taylor expansion of 2.0 in y
1.086 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
1.086 * [taylor]: Taking taylor expansion of x in y
1.086 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
1.086 * [taylor]: Taking taylor expansion of y in y
1.086 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
1.086 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.086 * [taylor]: Taking taylor expansion of y in y
1.087 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.087 * [taylor]: Taking taylor expansion of x in y
1.088 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
1.088 * [taylor]: Taking taylor expansion of 2.0 in x
1.088 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
1.088 * [taylor]: Taking taylor expansion of x in x
1.088 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
1.088 * [taylor]: Taking taylor expansion of y in x
1.088 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.088 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.088 * [taylor]: Taking taylor expansion of y in x
1.088 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.088 * [taylor]: Taking taylor expansion of x in x
1.090 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
1.090 * [taylor]: Taking taylor expansion of 2.0 in x
1.090 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
1.090 * [taylor]: Taking taylor expansion of x in x
1.090 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
1.090 * [taylor]: Taking taylor expansion of y in x
1.090 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.090 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.091 * [taylor]: Taking taylor expansion of y in x
1.091 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.091 * [taylor]: Taking taylor expansion of x in x
1.093 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
1.093 * [taylor]: Taking taylor expansion of -2.0 in y
1.093 * [taylor]: Taking taylor expansion of y in y
1.095 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
1.095 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.095 * [taylor]: Taking taylor expansion of 2.0 in y
1.095 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.095 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.095 * [taylor]: Taking taylor expansion of y in y
1.101 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
1.101 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
1.101 * [taylor]: Taking taylor expansion of 2.0 in y
1.101 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
1.101 * [taylor]: Taking taylor expansion of (pow y 3) in y
1.101 * [taylor]: Taking taylor expansion of y in y
1.109 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
1.110 * [approximate]: Taking taylor expansion of (/ y (- x y)) in (y x) around 0
1.110 * [taylor]: Taking taylor expansion of (/ y (- x y)) in x
1.110 * [taylor]: Taking taylor expansion of y in x
1.110 * [taylor]: Taking taylor expansion of (- x y) in x
1.110 * [taylor]: Taking taylor expansion of x in x
1.110 * [taylor]: Taking taylor expansion of y in x
1.110 * [taylor]: Taking taylor expansion of (/ y (- x y)) in y
1.110 * [taylor]: Taking taylor expansion of y in y
1.110 * [taylor]: Taking taylor expansion of (- x y) in y
1.110 * [taylor]: Taking taylor expansion of x in y
1.110 * [taylor]: Taking taylor expansion of y in y
1.110 * [taylor]: Taking taylor expansion of (/ y (- x y)) in y
1.110 * [taylor]: Taking taylor expansion of y in y
1.110 * [taylor]: Taking taylor expansion of (- x y) in y
1.110 * [taylor]: Taking taylor expansion of x in y
1.110 * [taylor]: Taking taylor expansion of y in y
1.111 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.111 * [taylor]: Taking taylor expansion of x in x
1.112 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.112 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.112 * [taylor]: Taking taylor expansion of x in x
1.115 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.115 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.115 * [taylor]: Taking taylor expansion of x in x
1.122 * [approximate]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in (y x) around 0
1.122 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in x
1.122 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
1.122 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.122 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.122 * [taylor]: Taking taylor expansion of x in x
1.122 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.122 * [taylor]: Taking taylor expansion of y in x
1.123 * [taylor]: Taking taylor expansion of y in x
1.123 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in y
1.123 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
1.123 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
1.123 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.123 * [taylor]: Taking taylor expansion of x in y
1.123 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.123 * [taylor]: Taking taylor expansion of y in y
1.123 * [taylor]: Taking taylor expansion of y in y
1.125 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in y
1.125 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
1.125 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
1.125 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.125 * [taylor]: Taking taylor expansion of x in y
1.125 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.125 * [taylor]: Taking taylor expansion of y in y
1.126 * [taylor]: Taking taylor expansion of y in y
1.127 * [taylor]: Taking taylor expansion of -1 in x
1.129 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.129 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.129 * [taylor]: Taking taylor expansion of x in x
1.133 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2))) in x
1.133 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.133 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.133 * [taylor]: Taking taylor expansion of x in x
1.138 * [approximate]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in (y x) around 0
1.138 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in x
1.138 * [taylor]: Taking taylor expansion of -1 in x
1.138 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
1.138 * [taylor]: Taking taylor expansion of y in x
1.138 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.138 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.138 * [taylor]: Taking taylor expansion of y in x
1.138 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.138 * [taylor]: Taking taylor expansion of x in x
1.139 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in y
1.139 * [taylor]: Taking taylor expansion of -1 in y
1.139 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
1.139 * [taylor]: Taking taylor expansion of y in y
1.139 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
1.139 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.139 * [taylor]: Taking taylor expansion of y in y
1.139 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.139 * [taylor]: Taking taylor expansion of x in y
1.141 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in y
1.141 * [taylor]: Taking taylor expansion of -1 in y
1.141 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
1.141 * [taylor]: Taking taylor expansion of y in y
1.141 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
1.141 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.141 * [taylor]: Taking taylor expansion of y in y
1.141 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.141 * [taylor]: Taking taylor expansion of x in y
1.143 * [taylor]: Taking taylor expansion of -1 in x
1.144 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.144 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.144 * [taylor]: Taking taylor expansion of x in x
1.148 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2))) in x
1.148 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.148 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.148 * [taylor]: Taking taylor expansion of x in x
1.155 * * * [progress]: simplifying candidates
1.157 * [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
1.160 * * [simplify]: iteration  0 :  120  enodes  (cost  947 )
1.186 * * [simplify]: iteration  1 :  316  enodes  (cost  888 )
1.364 * * [simplify]: iteration  2 :  1315  enodes  (cost  788 )
1.766 * * [simplify]: iteration  done :  5000  enodes  (cost  788 )
1.766 * [simplify]: Simplified to:
   (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 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))))
  (* (* x 2.0) (* (cbrt y) (cbrt y)))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) (+ (sqrt x) (sqrt y))))
  (* (* x 2.0) (* (cbrt y) (cbrt y)))
  (* (* x 2.0) (/ (sqrt y) (* (cbrt (- x y)) (cbrt (- x y)))))
  (* (* x 2.0) (/ (sqrt y) (sqrt (- x y))))
  (* (sqrt y) (* x 2.0))
  (* (* x 2.0) (/ (sqrt y) (+ (sqrt x) (sqrt y))))
  (* (sqrt y) (* x 2.0))
  (/ (* x 2.0) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (* x 2.0) (sqrt (- x y)))
  (* x 2.0)
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (* x 2.0)
  (* x 2.0)
  (* (* 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 (- 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
1.767 * * * [progress]: adding candidates to table
1.896 * * [progress]: iteration 3 / 4
1.896 * * * [progress]: picking best candidate
1.901 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>
1.902 * * * [progress]: localizing error
1.907 * * * [progress]: generating rewritten candidates
1.907 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
1.917 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
1.930 * * * [progress]: generating series expansions
1.930 * * * * [progress]: [ 1 / 2 ] generating series at (2)
1.930 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
1.930 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
1.930 * [taylor]: Taking taylor expansion of 2.0 in y
1.930 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
1.930 * [taylor]: Taking taylor expansion of (* x y) in y
1.930 * [taylor]: Taking taylor expansion of x in y
1.930 * [taylor]: Taking taylor expansion of y in y
1.930 * [taylor]: Taking taylor expansion of (- x y) in y
1.930 * [taylor]: Taking taylor expansion of x in y
1.930 * [taylor]: Taking taylor expansion of y in y
1.931 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
1.931 * [taylor]: Taking taylor expansion of 2.0 in x
1.931 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
1.931 * [taylor]: Taking taylor expansion of (* x y) in x
1.931 * [taylor]: Taking taylor expansion of x in x
1.931 * [taylor]: Taking taylor expansion of y in x
1.931 * [taylor]: Taking taylor expansion of (- x y) in x
1.931 * [taylor]: Taking taylor expansion of x in x
1.931 * [taylor]: Taking taylor expansion of y in x
1.932 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
1.932 * [taylor]: Taking taylor expansion of 2.0 in x
1.932 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
1.932 * [taylor]: Taking taylor expansion of (* x y) in x
1.932 * [taylor]: Taking taylor expansion of x in x
1.932 * [taylor]: Taking taylor expansion of y in x
1.932 * [taylor]: Taking taylor expansion of (- x y) in x
1.932 * [taylor]: Taking taylor expansion of x in x
1.932 * [taylor]: Taking taylor expansion of y in x
1.932 * [taylor]: Taking taylor expansion of -2.0 in y
1.934 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
1.934 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
1.934 * [taylor]: Taking taylor expansion of 2.0 in y
1.934 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.934 * [taylor]: Taking taylor expansion of y in y
1.937 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
1.937 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.937 * [taylor]: Taking taylor expansion of 2.0 in y
1.937 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.937 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.937 * [taylor]: Taking taylor expansion of y in y
1.943 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
1.943 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
1.943 * [taylor]: Taking taylor expansion of 2.0 in y
1.943 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
1.943 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
1.943 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.943 * [taylor]: Taking taylor expansion of x in y
1.943 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.943 * [taylor]: Taking taylor expansion of y in y
1.943 * [taylor]: Taking taylor expansion of (* x y) in y
1.943 * [taylor]: Taking taylor expansion of x in y
1.943 * [taylor]: Taking taylor expansion of y in y
1.945 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
1.945 * [taylor]: Taking taylor expansion of 2.0 in x
1.945 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
1.945 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.945 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.945 * [taylor]: Taking taylor expansion of x in x
1.945 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.945 * [taylor]: Taking taylor expansion of y in x
1.945 * [taylor]: Taking taylor expansion of (* x y) in x
1.945 * [taylor]: Taking taylor expansion of x in x
1.945 * [taylor]: Taking taylor expansion of y in x
1.947 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
1.947 * [taylor]: Taking taylor expansion of 2.0 in x
1.947 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
1.947 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.947 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.947 * [taylor]: Taking taylor expansion of x in x
1.947 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.947 * [taylor]: Taking taylor expansion of y in x
1.947 * [taylor]: Taking taylor expansion of (* x y) in x
1.947 * [taylor]: Taking taylor expansion of x in x
1.947 * [taylor]: Taking taylor expansion of y in x
1.948 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
1.948 * [taylor]: Taking taylor expansion of 2.0 in y
1.948 * [taylor]: Taking taylor expansion of y in y
1.951 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.951 * [taylor]: Taking taylor expansion of 2.0 in y
1.951 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.951 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.951 * [taylor]: Taking taylor expansion of y in y
1.957 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
1.957 * [taylor]: Taking taylor expansion of 2.0 in y
1.957 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
1.957 * [taylor]: Taking taylor expansion of (pow y 3) in y
1.957 * [taylor]: Taking taylor expansion of y in y
1.965 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
1.965 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
1.965 * [taylor]: Taking taylor expansion of 2.0 in y
1.965 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
1.965 * [taylor]: Taking taylor expansion of x in y
1.965 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
1.965 * [taylor]: Taking taylor expansion of y in y
1.965 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
1.965 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.965 * [taylor]: Taking taylor expansion of y in y
1.965 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.965 * [taylor]: Taking taylor expansion of x in y
1.967 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
1.967 * [taylor]: Taking taylor expansion of 2.0 in x
1.967 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
1.967 * [taylor]: Taking taylor expansion of x in x
1.967 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
1.967 * [taylor]: Taking taylor expansion of y in x
1.967 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.967 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.967 * [taylor]: Taking taylor expansion of y in x
1.967 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.967 * [taylor]: Taking taylor expansion of x in x
1.969 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
1.969 * [taylor]: Taking taylor expansion of 2.0 in x
1.969 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
1.969 * [taylor]: Taking taylor expansion of x in x
1.969 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
1.969 * [taylor]: Taking taylor expansion of y in x
1.969 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.969 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.969 * [taylor]: Taking taylor expansion of y in x
1.969 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.969 * [taylor]: Taking taylor expansion of x in x
1.971 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
1.971 * [taylor]: Taking taylor expansion of -2.0 in y
1.971 * [taylor]: Taking taylor expansion of y in y
1.977 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
1.977 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.977 * [taylor]: Taking taylor expansion of 2.0 in y
1.977 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.977 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.977 * [taylor]: Taking taylor expansion of y in y
1.983 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
1.983 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
1.983 * [taylor]: Taking taylor expansion of 2.0 in y
1.983 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
1.983 * [taylor]: Taking taylor expansion of (pow y 3) in y
1.983 * [taylor]: Taking taylor expansion of y in y
1.991 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
1.991 * [approximate]: Taking taylor expansion of (/ (- x y) y) in (x y) around 0
1.991 * [taylor]: Taking taylor expansion of (/ (- x y) y) in y
1.991 * [taylor]: Taking taylor expansion of (- x y) in y
1.991 * [taylor]: Taking taylor expansion of x in y
1.991 * [taylor]: Taking taylor expansion of y in y
1.991 * [taylor]: Taking taylor expansion of y in y
1.991 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
1.991 * [taylor]: Taking taylor expansion of (- x y) in x
1.991 * [taylor]: Taking taylor expansion of x in x
1.991 * [taylor]: Taking taylor expansion of y in x
1.991 * [taylor]: Taking taylor expansion of y in x
1.991 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
1.991 * [taylor]: Taking taylor expansion of (- x y) in x
1.991 * [taylor]: Taking taylor expansion of x in x
1.991 * [taylor]: Taking taylor expansion of y in x
1.991 * [taylor]: Taking taylor expansion of y in x
1.992 * [taylor]: Taking taylor expansion of -1 in y
1.992 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.992 * [taylor]: Taking taylor expansion of y in y
1.993 * [taylor]: Taking taylor expansion of 0 in y
1.994 * [taylor]: Taking taylor expansion of 0 in y
1.995 * [taylor]: Taking taylor expansion of 0 in y
1.995 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in (x y) around 0
1.995 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
1.995 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
1.995 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.995 * [taylor]: Taking taylor expansion of x in y
1.995 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.995 * [taylor]: Taking taylor expansion of y in y
1.996 * [taylor]: Taking taylor expansion of y in y
1.996 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
1.996 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.996 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.996 * [taylor]: Taking taylor expansion of x in x
1.996 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.996 * [taylor]: Taking taylor expansion of y in x
1.996 * [taylor]: Taking taylor expansion of y in x
1.996 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
1.996 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.996 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.996 * [taylor]: Taking taylor expansion of x in x
1.996 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.996 * [taylor]: Taking taylor expansion of y in x
1.996 * [taylor]: Taking taylor expansion of y in x
1.997 * [taylor]: Taking taylor expansion of y in y
1.997 * [taylor]: Taking taylor expansion of (- 1) in y
1.997 * [taylor]: Taking taylor expansion of 1 in y
1.999 * [taylor]: Taking taylor expansion of 0 in y
2.001 * [taylor]: Taking taylor expansion of 0 in y
2.003 * [taylor]: Taking taylor expansion of 0 in y
2.003 * [approximate]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in (x y) around 0
2.003 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in y
2.003 * [taylor]: Taking taylor expansion of -1 in y
2.003 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
2.003 * [taylor]: Taking taylor expansion of y in y
2.003 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
2.003 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.003 * [taylor]: Taking taylor expansion of y in y
2.003 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.003 * [taylor]: Taking taylor expansion of x in y
2.004 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
2.004 * [taylor]: Taking taylor expansion of -1 in x
2.004 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
2.004 * [taylor]: Taking taylor expansion of y in x
2.004 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
2.004 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.004 * [taylor]: Taking taylor expansion of y in x
2.004 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.004 * [taylor]: Taking taylor expansion of x in x
2.004 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
2.004 * [taylor]: Taking taylor expansion of -1 in x
2.004 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
2.004 * [taylor]: Taking taylor expansion of y in x
2.004 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
2.004 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.004 * [taylor]: Taking taylor expansion of y in x
2.004 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.004 * [taylor]: Taking taylor expansion of x in x
2.005 * [taylor]: Taking taylor expansion of y in y
2.006 * [taylor]: Taking taylor expansion of (- 1) in y
2.006 * [taylor]: Taking taylor expansion of 1 in y
2.008 * [taylor]: Taking taylor expansion of 0 in y
2.011 * [taylor]: Taking taylor expansion of 0 in y
2.013 * [taylor]: Taking taylor expansion of 0 in y
2.014 * * * [progress]: simplifying candidates
2.015 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (* x 2.0) (/ (- x y) y)))
  (log1p (/ (* x 2.0) (/ (- x y) y)))
  (- (+ (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))
  (expm1 (/ (- x y) y))
  (log1p (/ (- x y) 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)
2.019 * * [simplify]: iteration  0 :  155  enodes  (cost  1282 )
2.058 * * [simplify]: iteration  1 :  390  enodes  (cost  1208 )
2.234 * * [simplify]: iteration  2 :  1368  enodes  (cost  1094 )
2.694 * * [simplify]: iteration  done :  5000  enodes  (cost  1094 )
2.695 * [simplify]: Simplified to:
   (expm1 (/ (* x 2.0) (/ (- x y) y)))
  (log1p (/ (* 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)))
  (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)))
  (/ (* 2.0 x) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (* 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))
  (expm1 (/ (- x y) y))
  (log1p (/ (- x y) 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 (fma x x (* y (+ x y))))
  (* y (+ x y))
  0
  0
  0
  (/ (- x y) y)
  (/ (- x y) y)
  (/ (- x y) y)
2.695 * * * [progress]: adding candidates to table
2.867 * * [progress]: iteration 4 / 4
2.867 * * * [progress]: picking best candidate
2.869 * * * * [pick]: Picked  #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>
2.870 * * * [progress]: localizing error
2.875 * * * [progress]: generating rewritten candidates
2.875 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
2.893 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
2.902 * * * [progress]: generating series expansions
2.902 * * * * [progress]: [ 1 / 2 ] generating series at (2)
2.902 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
2.902 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
2.902 * [taylor]: Taking taylor expansion of 2.0 in y
2.902 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
2.902 * [taylor]: Taking taylor expansion of (* x y) in y
2.902 * [taylor]: Taking taylor expansion of x in y
2.902 * [taylor]: Taking taylor expansion of y in y
2.902 * [taylor]: Taking taylor expansion of (- x y) in y
2.902 * [taylor]: Taking taylor expansion of x in y
2.902 * [taylor]: Taking taylor expansion of y in y
2.906 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
2.906 * [taylor]: Taking taylor expansion of 2.0 in x
2.906 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
2.906 * [taylor]: Taking taylor expansion of (* x y) in x
2.906 * [taylor]: Taking taylor expansion of x in x
2.906 * [taylor]: Taking taylor expansion of y in x
2.906 * [taylor]: Taking taylor expansion of (- x y) in x
2.906 * [taylor]: Taking taylor expansion of x in x
2.906 * [taylor]: Taking taylor expansion of y in x
2.906 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
2.907 * [taylor]: Taking taylor expansion of 2.0 in x
2.907 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
2.907 * [taylor]: Taking taylor expansion of (* x y) in x
2.907 * [taylor]: Taking taylor expansion of x in x
2.907 * [taylor]: Taking taylor expansion of y in x
2.907 * [taylor]: Taking taylor expansion of (- x y) in x
2.907 * [taylor]: Taking taylor expansion of x in x
2.907 * [taylor]: Taking taylor expansion of y in x
2.907 * [taylor]: Taking taylor expansion of -2.0 in y
2.909 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
2.909 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
2.909 * [taylor]: Taking taylor expansion of 2.0 in y
2.909 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.909 * [taylor]: Taking taylor expansion of y in y
2.912 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
2.912 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
2.912 * [taylor]: Taking taylor expansion of 2.0 in y
2.913 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.913 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.913 * [taylor]: Taking taylor expansion of y in y
2.918 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
2.918 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
2.918 * [taylor]: Taking taylor expansion of 2.0 in y
2.918 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
2.918 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
2.918 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.918 * [taylor]: Taking taylor expansion of x in y
2.918 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.918 * [taylor]: Taking taylor expansion of y in y
2.918 * [taylor]: Taking taylor expansion of (* x y) in y
2.918 * [taylor]: Taking taylor expansion of x in y
2.918 * [taylor]: Taking taylor expansion of y in y
2.920 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
2.920 * [taylor]: Taking taylor expansion of 2.0 in x
2.920 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
2.920 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
2.920 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.920 * [taylor]: Taking taylor expansion of x in x
2.920 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.920 * [taylor]: Taking taylor expansion of y in x
2.920 * [taylor]: Taking taylor expansion of (* x y) in x
2.920 * [taylor]: Taking taylor expansion of x in x
2.921 * [taylor]: Taking taylor expansion of y in x
2.922 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
2.922 * [taylor]: Taking taylor expansion of 2.0 in x
2.922 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
2.922 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
2.922 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.922 * [taylor]: Taking taylor expansion of x in x
2.922 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.922 * [taylor]: Taking taylor expansion of y in x
2.922 * [taylor]: Taking taylor expansion of (* x y) in x
2.922 * [taylor]: Taking taylor expansion of x in x
2.922 * [taylor]: Taking taylor expansion of y in x
2.924 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
2.924 * [taylor]: Taking taylor expansion of 2.0 in y
2.924 * [taylor]: Taking taylor expansion of y in y
2.927 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
2.927 * [taylor]: Taking taylor expansion of 2.0 in y
2.927 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.927 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.927 * [taylor]: Taking taylor expansion of y in y
2.933 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
2.933 * [taylor]: Taking taylor expansion of 2.0 in y
2.933 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
2.933 * [taylor]: Taking taylor expansion of (pow y 3) in y
2.933 * [taylor]: Taking taylor expansion of y in y
2.941 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
2.941 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
2.941 * [taylor]: Taking taylor expansion of 2.0 in y
2.941 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
2.941 * [taylor]: Taking taylor expansion of x in y
2.941 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
2.941 * [taylor]: Taking taylor expansion of y in y
2.941 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
2.941 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.941 * [taylor]: Taking taylor expansion of y in y
2.941 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.941 * [taylor]: Taking taylor expansion of x in y
2.943 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
2.943 * [taylor]: Taking taylor expansion of 2.0 in x
2.943 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
2.943 * [taylor]: Taking taylor expansion of x in x
2.943 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
2.943 * [taylor]: Taking taylor expansion of y in x
2.943 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
2.943 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.943 * [taylor]: Taking taylor expansion of y in x
2.943 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.943 * [taylor]: Taking taylor expansion of x in x
2.945 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
2.945 * [taylor]: Taking taylor expansion of 2.0 in x
2.945 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
2.945 * [taylor]: Taking taylor expansion of x in x
2.945 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
2.945 * [taylor]: Taking taylor expansion of y in x
2.945 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
2.945 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.945 * [taylor]: Taking taylor expansion of y in x
2.945 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.945 * [taylor]: Taking taylor expansion of x in x
2.947 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
2.947 * [taylor]: Taking taylor expansion of -2.0 in y
2.947 * [taylor]: Taking taylor expansion of y in y
2.950 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
2.950 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
2.950 * [taylor]: Taking taylor expansion of 2.0 in y
2.950 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.950 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.950 * [taylor]: Taking taylor expansion of y in y
2.956 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
2.956 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
2.956 * [taylor]: Taking taylor expansion of 2.0 in y
2.956 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
2.956 * [taylor]: Taking taylor expansion of (pow y 3) in y
2.956 * [taylor]: Taking taylor expansion of y in y
2.964 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
2.964 * [approximate]: Taking taylor expansion of (* 2.0 (/ x (- x y))) in (x y) around 0
2.964 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- x y))) in y
2.964 * [taylor]: Taking taylor expansion of 2.0 in y
2.964 * [taylor]: Taking taylor expansion of (/ x (- x y)) in y
2.964 * [taylor]: Taking taylor expansion of x in y
2.964 * [taylor]: Taking taylor expansion of (- x y) in y
2.964 * [taylor]: Taking taylor expansion of x in y
2.964 * [taylor]: Taking taylor expansion of y in y
2.964 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- x y))) in x
2.964 * [taylor]: Taking taylor expansion of 2.0 in x
2.964 * [taylor]: Taking taylor expansion of (/ x (- x y)) in x
2.964 * [taylor]: Taking taylor expansion of x in x
2.964 * [taylor]: Taking taylor expansion of (- x y) in x
2.964 * [taylor]: Taking taylor expansion of x in x
2.964 * [taylor]: Taking taylor expansion of y in x
2.964 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- x y))) in x
2.964 * [taylor]: Taking taylor expansion of 2.0 in x
2.964 * [taylor]: Taking taylor expansion of (/ x (- x y)) in x
2.964 * [taylor]: Taking taylor expansion of x in x
2.964 * [taylor]: Taking taylor expansion of (- x y) in x
2.964 * [taylor]: Taking taylor expansion of x in x
2.964 * [taylor]: Taking taylor expansion of y in x
2.965 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
2.965 * [taylor]: Taking taylor expansion of -2.0 in y
2.965 * [taylor]: Taking taylor expansion of y in y
2.966 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
2.966 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
2.966 * [taylor]: Taking taylor expansion of 2.0 in y
2.966 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.966 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.966 * [taylor]: Taking taylor expansion of y in y
2.970 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
2.971 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
2.971 * [taylor]: Taking taylor expansion of 2.0 in y
2.971 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
2.971 * [taylor]: Taking taylor expansion of (pow y 3) in y
2.971 * [taylor]: Taking taylor expansion of y in y
2.979 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) x)) in (x y) around 0
2.979 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) x)) in y
2.979 * [taylor]: Taking taylor expansion of 2.0 in y
2.979 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in y
2.979 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
2.979 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.979 * [taylor]: Taking taylor expansion of x in y
2.979 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.979 * [taylor]: Taking taylor expansion of y in y
2.979 * [taylor]: Taking taylor expansion of x in y
2.980 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) x)) in x
2.980 * [taylor]: Taking taylor expansion of 2.0 in x
2.980 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in x
2.980 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
2.980 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.980 * [taylor]: Taking taylor expansion of x in x
2.980 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.980 * [taylor]: Taking taylor expansion of y in x
2.980 * [taylor]: Taking taylor expansion of x in x
2.982 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) x)) in x
2.982 * [taylor]: Taking taylor expansion of 2.0 in x
2.982 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in x
2.982 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
2.982 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.982 * [taylor]: Taking taylor expansion of x in x
2.982 * [taylor]: Taking taylor expansion of (/ 1 y) in x
2.982 * [taylor]: Taking taylor expansion of y in x
2.982 * [taylor]: Taking taylor expansion of x in x
2.988 * [taylor]: Taking taylor expansion of 2.0 in y
2.990 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
2.990 * [taylor]: Taking taylor expansion of 2.0 in y
2.990 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.990 * [taylor]: Taking taylor expansion of y in y
2.994 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
2.994 * [taylor]: Taking taylor expansion of 2.0 in y
2.994 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.994 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.994 * [taylor]: Taking taylor expansion of y in y
2.999 * [approximate]: Taking taylor expansion of (/ -2.0 (* x (- (/ 1 y) (/ 1 x)))) in (x y) around 0
2.999 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ 1 y) (/ 1 x)))) in y
2.999 * [taylor]: Taking taylor expansion of -2.0 in y
2.999 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in y
2.999 * [taylor]: Taking taylor expansion of x in y
2.999 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
2.999 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.999 * [taylor]: Taking taylor expansion of y in y
3.000 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.000 * [taylor]: Taking taylor expansion of x in y
3.000 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ 1 y) (/ 1 x)))) in x
3.000 * [taylor]: Taking taylor expansion of -2.0 in x
3.000 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
3.000 * [taylor]: Taking taylor expansion of x in x
3.000 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
3.000 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.000 * [taylor]: Taking taylor expansion of y in x
3.000 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.000 * [taylor]: Taking taylor expansion of x in x
3.003 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ 1 y) (/ 1 x)))) in x
3.003 * [taylor]: Taking taylor expansion of -2.0 in x
3.003 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
3.003 * [taylor]: Taking taylor expansion of x in x
3.003 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
3.003 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.003 * [taylor]: Taking taylor expansion of y in x
3.003 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.003 * [taylor]: Taking taylor expansion of x in x
3.005 * [taylor]: Taking taylor expansion of 2.0 in y
3.007 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
3.007 * [taylor]: Taking taylor expansion of 2.0 in y
3.007 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.007 * [taylor]: Taking taylor expansion of y in y
3.012 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
3.012 * [taylor]: Taking taylor expansion of 2.0 in y
3.012 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.012 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.012 * [taylor]: Taking taylor expansion of y in y
3.017 * * * [progress]: simplifying candidates
3.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (* (/ (* x 2.0) (- x y)) y))
  (log1p (* (/ (* x 2.0) (- x y)) y))
  (* (/ (* x 2.0) (- x y)) y)
  (+ (- (+ (log x) (log 2.0)) (log (- x y))) (log y))
  (+ (- (log (* x 2.0)) (log (- x y))) (log y))
  (+ (log (/ (* x 2.0) (- x y))) (log 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 2.0) (* x 2.0)) (* x 2.0)) (* (* (- x y) (- x y)) (- x y))) (* (* y y) y))
  (* (* (* (/ (* x 2.0) (- x y)) (/ (* x 2.0) (- x y))) (/ (* x 2.0) (- x y))) (* (* y 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))
  (* (sqrt (/ (* x 2.0) (- x y))) (sqrt y))
  (* (sqrt (/ (* x 2.0) (- x y))) (sqrt y))
  (* (/ (* x 2.0) (- x y)) (* (cbrt y) (cbrt y)))
  (* (/ (* x 2.0) (- x y)) (sqrt y))
  (* (/ (* x 2.0) (- x y)) 1)
  (* (cbrt (/ (* x 2.0) (- x y))) y)
  (* (sqrt (/ (* x 2.0) (- x y))) y)
  (* (/ 2.0 (cbrt (- x y))) y)
  (* (/ 2.0 (sqrt (- x y))) y)
  (* (/ 2.0 (- x y)) y)
  (* (/ 2.0 (- (sqrt x) (sqrt y))) y)
  (* (/ 2.0 (- x y)) y)
  (* (/ (* x 2.0) (- x y)) y)
  (* (/ 1 (- x y)) y)
  (* (+ (* x x) (+ (* y y) (* x y))) y)
  (* (+ x y) y)
  (* (* x 2.0) y)
  (expm1 (/ (* x 2.0) (- x y)))
  (log1p (/ (* x 2.0) (- x y)))
  (- (+ (log x) (log 2.0)) (log (- x y)))
  (- (log (* x 2.0)) (log (- x y)))
  (log (/ (* x 2.0) (- x y)))
  (exp (/ (* x 2.0) (- x y)))
  (/ (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* (- x y) (- x y)) (- x y)))
  (/ (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (/ (* x 2.0) (- x y))) (cbrt (/ (* x 2.0) (- x y))))
  (cbrt (/ (* x 2.0) (- x y)))
  (* (* (/ (* x 2.0) (- x y)) (/ (* x 2.0) (- x y))) (/ (* x 2.0) (- x y)))
  (sqrt (/ (* x 2.0) (- x y)))
  (sqrt (/ (* x 2.0) (- x y)))
  (- (* x 2.0))
  (- (- x y))
  (/ x (* (cbrt (- x y)) (cbrt (- x y))))
  (/ 2.0 (cbrt (- x y)))
  (/ x (sqrt (- x y)))
  (/ 2.0 (sqrt (- x y)))
  (/ x 1)
  (/ 2.0 (- x y))
  (/ x (+ (sqrt x) (sqrt y)))
  (/ 2.0 (- (sqrt x) (sqrt y)))
  (/ x 1)
  (/ 2.0 (- x y))
  (/ 1 (- x y))
  (/ (- x y) (* x 2.0))
  (/ (* x 2.0) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (* x 2.0) (sqrt (- x y)))
  (/ (* x 2.0) 1)
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (/ (* x 2.0) 1)
  (/ (- x y) 2.0)
  (/ (* x 2.0) (- (pow x 3) (pow y 3)))
  (/ (* x 2.0) (- (* x x) (* y y)))
  0
  0
  0
  0
  0
  0
3.020 * * [simplify]: iteration  0 :  105  enodes  (cost  717 )
3.041 * * [simplify]: iteration  1 :  268  enodes  (cost  685 )
3.124 * * [simplify]: iteration  2 :  1010  enodes  (cost  579 )
3.558 * * [simplify]: iteration  done :  5001  enodes  (cost  579 )
3.558 * [simplify]: Simplified to:
   (expm1 (* (/ (* x 2.0) (- x y)) y))
  (log1p (* (/ (* x 2.0) (- x y)) y))
  (* (/ (* 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)
  (* (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))
  (* (sqrt (/ (* x 2.0) (- x y))) (sqrt y))
  (* (sqrt (/ (* x 2.0) (- x y))) (sqrt y))
  (* (/ (* x 2.0) (- x y)) (* (cbrt y) (cbrt y)))
  (* (/ (* x 2.0) (- x y)) (sqrt y))
  (/ (* x 2.0) (- x y))
  (* (cbrt (/ (* x 2.0) (- x y))) y)
  (* (sqrt (/ (* x 2.0) (- x y))) y)
  (* (/ 2.0 (cbrt (- x y))) y)
  (* (/ 2.0 (sqrt (- x y))) y)
  (* (/ 2.0 (- x y)) y)
  (* (/ 2.0 (- (sqrt x) (sqrt y))) y)
  (* (/ 2.0 (- x y)) y)
  (* (/ (* x 2.0) (- x y)) y)
  (/ y (- x y))
  (* (fma x x (* (+ x y) y)) y)
  (* (+ x y) y)
  (* (* x 2.0) y)
  (expm1 (/ (* x 2.0) (- x y)))
  (log1p (/ (* x 2.0) (- x y)))
  (log (/ (* x 2.0) (- x y)))
  (log (/ (* x 2.0) (- x y)))
  (log (/ (* x 2.0) (- x y)))
  (exp (/ (* x 2.0) (- x y)))
  (pow (/ (* x 2.0) (- x y)) 3)
  (pow (/ (* x 2.0) (- x y)) 3)
  (* (cbrt (/ (* x 2.0) (- x y))) (cbrt (/ (* x 2.0) (- x y))))
  (cbrt (/ (* x 2.0) (- x y)))
  (pow (/ (* x 2.0) (- x y)) 3)
  (sqrt (/ (* x 2.0) (- x y)))
  (sqrt (/ (* x 2.0) (- x y)))
  (- (* x 2.0))
  (- (- x y))
  (/ x (* (cbrt (- x y)) (cbrt (- x y))))
  (/ 2.0 (cbrt (- x y)))
  (/ x (sqrt (- x y)))
  (/ 2.0 (sqrt (- x y)))
  x
  (/ 2.0 (- x y))
  (/ x (+ (sqrt x) (sqrt y)))
  (/ 2.0 (- (sqrt x) (sqrt y)))
  x
  (/ 2.0 (- x y))
  (/ 1 (- x y))
  (/ (- x y) (* x 2.0))
  (/ (* x 2.0) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (* x 2.0) (sqrt (- x y)))
  (* 2.0 x)
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (* 2.0 x)
  (/ (- x y) 2.0)
  (/ (* x 2.0) (- (pow x 3) (pow y 3)))
  (/ (* x 2.0) (- (* x x) (* y y)))
  0
  0
  0
  0
  0
  0
3.559 * * * [progress]: adding candidates to table
3.654 * [progress]: [Phase 3 of 3] Extracting.
3.654 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (/ (* x 2.0) (- x y)) (/ 1 y)))> #<alt (λ (x y) (* (* x 2.0) (/ y (- x y))))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>)
3.654 * * * [regime-changes]: Trying 2 branch expressions: (y x)
3.654 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (/ (* x 2.0) (- x y)) (/ 1 y)))> #<alt (λ (x y) (* (* x 2.0) (/ y (- x y))))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>)
3.676 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (/ (* x 2.0) (- x y)) (/ 1 y)))> #<alt (λ (x y) (* (* x 2.0) (/ y (- x y))))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>)
3.697 * * * [regime]: Found split indices: #<option (#s(si 1 59) #s(si 2 179) #s(si 1 255))>
3.698 * [binary-search]: Improving bounds with binary search for y and (#<alt (λ (x y) (/ (/ (* x 2.0) (- x y)) (/ 1 y)))> #<alt (λ (x y) (* (* x 2.0) (/ y (- x y))))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>)
3.748 * [regimes]: Found splitpoints: (#s(sp 1 y -1.8379060927151348e+37) #s(sp 2 y 2.535580169146477e-106) #s(sp 1 y +nan.0)) , with alts (#<alt (λ (x y) (/ (/ (* x 2.0) (- x y)) (/ 1 y)))> #<alt (λ (x y) (* (* x 2.0) (/ y (- x y))))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>)
3.748 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (if (<= y -1.8379060927151348e+37) (* (* x 2.0) (/ y (- x y))) (if (<= y 2.535580169146477e-106) (* (/ (* x 2.0) (- x y)) y) (* (* x 2.0) (/ y (- x y)))))
3.748 * * [simplify]: iteration  0 :  15  enodes  (cost  35 )
3.749 * * [simplify]: iteration  1 :  21  enodes  (cost  27 )
3.749 * * [simplify]: iteration  done :  21  enodes  (cost  27 )
3.749 * [simplify]: Simplified to:
   (if (or (<= y -1.8379060927151348e+37) (not (<= y 2.535580169146477e-106))) (* (* x 2.0) (/ y (- x y))) (* (/ (* x 2.0) (- x y)) y))
4.124 * [regime-testing]: Baseline error score: 6.910169159825926
4.124 * [regime-testing]: Oracle error score: 0.05575696962120265
4.125 * [regime-testing]: End program error score: 0.38337826391764573
4.147 * [regime-testing]: Target error score: 0.39645597079671974