18.912 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* (* x 2.0) y) (- x y))
0.017 * * [simplify]: iteration  0 :  15  enodes  (cost  4 )
0.019 * * [simplify]: iteration  1 :  36  enodes  (cost  4 )
0.021 * * [simplify]: iteration  2 :  73  enodes  (cost  4 )
0.023 * * [simplify]: iteration  3 :  127  enodes  (cost  4 )
0.025 * * [simplify]: iteration  4 :  167  enodes  (cost  4 )
0.028 * * [simplify]: iteration  5 :  185  enodes  (cost  4 )
0.031 * * [simplify]: iteration  6 :  187  enodes  (cost  4 )
0.033 * * [simplify]: iteration  7 :  187  enodes  (cost  4 )
0.033 * [simplify]: Simplified to:
   (/ (* (* x 2.0) y) (- x y))
0.034 * * [progress]: iteration 1 / 4
0.034 * * * [progress]: picking best candidate
0.035 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (* x 2.0) y) (- x y)))>
0.035 * * * [progress]: localizing error
0.041 * * * [progress]: generating rewritten candidates
0.041 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.053 * * * [progress]: generating series expansions
0.053 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.053 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.053 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.053 * [taylor]: Taking taylor expansion of 2.0 in y
0.053 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.053 * [taylor]: Taking taylor expansion of (* x y) in y
0.053 * [taylor]: Taking taylor expansion of x in y
0.053 * [taylor]: Taking taylor expansion of y in y
0.053 * [taylor]: Taking taylor expansion of (- x y) in y
0.053 * [taylor]: Taking taylor expansion of x in y
0.053 * [taylor]: Taking taylor expansion of y in y
0.054 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.054 * [taylor]: Taking taylor expansion of 2.0 in x
0.054 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.054 * [taylor]: Taking taylor expansion of (* x y) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of y in x
0.054 * [taylor]: Taking taylor expansion of (- x y) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.055 * [taylor]: Taking taylor expansion of 2.0 in x
0.055 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.055 * [taylor]: Taking taylor expansion of (* x y) in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of (- x y) in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.056 * [taylor]: Taking taylor expansion of -2.0 in y
0.057 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.057 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.057 * [taylor]: Taking taylor expansion of 2.0 in y
0.057 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.057 * [taylor]: Taking taylor expansion of y in y
0.061 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.061 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.061 * [taylor]: Taking taylor expansion of 2.0 in y
0.061 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.061 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.061 * [taylor]: Taking taylor expansion of y in y
0.067 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.067 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.067 * [taylor]: Taking taylor expansion of 2.0 in y
0.067 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.067 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.067 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.067 * [taylor]: Taking taylor expansion of x in y
0.067 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.068 * [taylor]: Taking taylor expansion of (* x y) in y
0.068 * [taylor]: Taking taylor expansion of x in y
0.068 * [taylor]: Taking taylor expansion of y in y
0.069 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.069 * [taylor]: Taking taylor expansion of 2.0 in x
0.069 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.069 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.069 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.070 * [taylor]: Taking taylor expansion of y in x
0.070 * [taylor]: Taking taylor expansion of (* x y) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [taylor]: Taking taylor expansion of y in x
0.071 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.071 * [taylor]: Taking taylor expansion of 2.0 in x
0.071 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.071 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.071 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.072 * [taylor]: Taking taylor expansion of y in x
0.072 * [taylor]: Taking taylor expansion of (* x y) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of y in x
0.073 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.073 * [taylor]: Taking taylor expansion of 2.0 in y
0.073 * [taylor]: Taking taylor expansion of y in y
0.076 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.076 * [taylor]: Taking taylor expansion of 2.0 in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.076 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.082 * [taylor]: Taking taylor expansion of 2.0 in y
0.082 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.082 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.090 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.090 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.090 * [taylor]: Taking taylor expansion of 2.0 in y
0.090 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.090 * [taylor]: Taking taylor expansion of x in y
0.090 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.090 * [taylor]: Taking taylor expansion of y in y
0.090 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.090 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.090 * [taylor]: Taking taylor expansion of y in y
0.090 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.090 * [taylor]: Taking taylor expansion of x in y
0.092 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.092 * [taylor]: Taking taylor expansion of 2.0 in x
0.092 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.092 * [taylor]: Taking taylor expansion of y in x
0.092 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.092 * [taylor]: Taking taylor expansion of y in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.097 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.097 * [taylor]: Taking taylor expansion of 2.0 in x
0.098 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.098 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.100 * [taylor]: Taking taylor expansion of -2.0 in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.103 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.103 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.103 * [taylor]: Taking taylor expansion of 2.0 in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.103 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.109 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.109 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.109 * [taylor]: Taking taylor expansion of 2.0 in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.109 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.109 * [taylor]: Taking taylor expansion of y in y
0.117 * * * [progress]: simplifying candidates
0.117 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (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
0.122 * * [simplify]: iteration  0 :  214  enodes  (cost  194 )
0.127 * * [simplify]: iteration  1 :  1150  enodes  (cost  161 )
0.153 * * [simplify]: iteration  2 :  5001  enodes  (cost  161 )
0.155 * [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
0.155 * * * [progress]: adding candidates to table
0.209 * * [progress]: iteration 2 / 4
0.209 * * * [progress]: picking best candidate
0.213 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x 2.0) (/ y (- x y))))>
0.213 * * * [progress]: localizing error
0.219 * * * [progress]: generating rewritten candidates
0.219 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.237 * * * [progress]: generating series expansions
0.237 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.237 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.237 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.237 * [taylor]: Taking taylor expansion of 2.0 in y
0.237 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.237 * [taylor]: Taking taylor expansion of (* x y) in y
0.237 * [taylor]: Taking taylor expansion of x in y
0.237 * [taylor]: Taking taylor expansion of y in y
0.238 * [taylor]: Taking taylor expansion of (- x y) in y
0.238 * [taylor]: Taking taylor expansion of x in y
0.238 * [taylor]: Taking taylor expansion of y in y
0.238 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.238 * [taylor]: Taking taylor expansion of 2.0 in x
0.238 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.238 * [taylor]: Taking taylor expansion of (* x y) in x
0.238 * [taylor]: Taking taylor expansion of x in x
0.238 * [taylor]: Taking taylor expansion of y in x
0.238 * [taylor]: Taking taylor expansion of (- x y) in x
0.238 * [taylor]: Taking taylor expansion of x in x
0.238 * [taylor]: Taking taylor expansion of y in x
0.239 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.239 * [taylor]: Taking taylor expansion of 2.0 in x
0.239 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.239 * [taylor]: Taking taylor expansion of (* x y) in x
0.239 * [taylor]: Taking taylor expansion of x in x
0.239 * [taylor]: Taking taylor expansion of y in x
0.239 * [taylor]: Taking taylor expansion of (- x y) in x
0.239 * [taylor]: Taking taylor expansion of x in x
0.239 * [taylor]: Taking taylor expansion of y in x
0.240 * [taylor]: Taking taylor expansion of -2.0 in y
0.241 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.241 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.241 * [taylor]: Taking taylor expansion of 2.0 in y
0.241 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.241 * [taylor]: Taking taylor expansion of y in y
0.245 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.245 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.245 * [taylor]: Taking taylor expansion of 2.0 in y
0.245 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.245 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.245 * [taylor]: Taking taylor expansion of y in y
0.251 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.251 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.251 * [taylor]: Taking taylor expansion of 2.0 in y
0.251 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.251 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.251 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.251 * [taylor]: Taking taylor expansion of x in y
0.251 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.251 * [taylor]: Taking taylor expansion of y in y
0.251 * [taylor]: Taking taylor expansion of (* x y) in y
0.251 * [taylor]: Taking taylor expansion of x in y
0.251 * [taylor]: Taking taylor expansion of y in y
0.253 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.253 * [taylor]: Taking taylor expansion of 2.0 in x
0.253 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.253 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.254 * [taylor]: Taking taylor expansion of y in x
0.254 * [taylor]: Taking taylor expansion of (* x y) in x
0.254 * [taylor]: Taking taylor expansion of x in x
0.254 * [taylor]: Taking taylor expansion of y in x
0.255 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.255 * [taylor]: Taking taylor expansion of 2.0 in x
0.255 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.255 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.255 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.255 * [taylor]: Taking taylor expansion of x in x
0.255 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.255 * [taylor]: Taking taylor expansion of y in x
0.255 * [taylor]: Taking taylor expansion of (* x y) in x
0.255 * [taylor]: Taking taylor expansion of x in x
0.255 * [taylor]: Taking taylor expansion of y in x
0.257 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.257 * [taylor]: Taking taylor expansion of 2.0 in y
0.257 * [taylor]: Taking taylor expansion of y in y
0.260 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.260 * [taylor]: Taking taylor expansion of 2.0 in y
0.260 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.260 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.260 * [taylor]: Taking taylor expansion of y in y
0.269 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.269 * [taylor]: Taking taylor expansion of 2.0 in y
0.269 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.269 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.269 * [taylor]: Taking taylor expansion of y in y
0.277 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.277 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.277 * [taylor]: Taking taylor expansion of 2.0 in y
0.277 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.277 * [taylor]: Taking taylor expansion of x in y
0.277 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.277 * [taylor]: Taking taylor expansion of y in y
0.277 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.277 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.277 * [taylor]: Taking taylor expansion of y in y
0.277 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.277 * [taylor]: Taking taylor expansion of x in y
0.279 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.279 * [taylor]: Taking taylor expansion of 2.0 in x
0.279 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.279 * [taylor]: Taking taylor expansion of x in x
0.279 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.279 * [taylor]: Taking taylor expansion of y in x
0.279 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.279 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.279 * [taylor]: Taking taylor expansion of y in x
0.279 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.279 * [taylor]: Taking taylor expansion of x in x
0.281 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.281 * [taylor]: Taking taylor expansion of 2.0 in x
0.281 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.281 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.281 * [taylor]: Taking taylor expansion of y in x
0.281 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.281 * [taylor]: Taking taylor expansion of y in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.283 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.283 * [taylor]: Taking taylor expansion of -2.0 in y
0.283 * [taylor]: Taking taylor expansion of y in y
0.286 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.286 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.286 * [taylor]: Taking taylor expansion of 2.0 in y
0.286 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.286 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.286 * [taylor]: Taking taylor expansion of y in y
0.292 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.292 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.292 * [taylor]: Taking taylor expansion of 2.0 in y
0.292 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.292 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.292 * [taylor]: Taking taylor expansion of y in y
0.300 * * * [progress]: simplifying candidates
0.301 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (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)
  0
  0
  0
0.306 * * [simplify]: iteration  0 :  283  enodes  (cost  258 )
0.314 * * [simplify]: iteration  1 :  1537  enodes  (cost  217 )
0.346 * * [simplify]: iteration  2 :  5001  enodes  (cost  217 )
0.347 * [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))))
  (* x (* 2.0 (sqrt y)))
  (* (* x 2.0) (/ (sqrt y) (+ (sqrt x) (sqrt y))))
  (* x (* 2.0 (sqrt y)))
  (/ (* 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)
  0
  0
  0
0.348 * * * [progress]: adding candidates to table
0.408 * * [progress]: iteration 3 / 4
0.408 * * * [progress]: picking best candidate
0.411 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>
0.411 * * * [progress]: localizing error
0.417 * * * [progress]: generating rewritten candidates
0.417 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.426 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.441 * * * [progress]: generating series expansions
0.441 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.441 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.441 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.441 * [taylor]: Taking taylor expansion of 2.0 in y
0.441 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.441 * [taylor]: Taking taylor expansion of (* x y) in y
0.441 * [taylor]: Taking taylor expansion of x in y
0.441 * [taylor]: Taking taylor expansion of y in y
0.441 * [taylor]: Taking taylor expansion of (- x y) in y
0.441 * [taylor]: Taking taylor expansion of x in y
0.441 * [taylor]: Taking taylor expansion of y in y
0.442 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.442 * [taylor]: Taking taylor expansion of 2.0 in x
0.442 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.442 * [taylor]: Taking taylor expansion of (* x y) in x
0.442 * [taylor]: Taking taylor expansion of x in x
0.442 * [taylor]: Taking taylor expansion of y in x
0.442 * [taylor]: Taking taylor expansion of (- x y) in x
0.442 * [taylor]: Taking taylor expansion of x in x
0.442 * [taylor]: Taking taylor expansion of y in x
0.442 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.443 * [taylor]: Taking taylor expansion of 2.0 in x
0.443 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.443 * [taylor]: Taking taylor expansion of (* x y) in x
0.443 * [taylor]: Taking taylor expansion of x in x
0.443 * [taylor]: Taking taylor expansion of y in x
0.443 * [taylor]: Taking taylor expansion of (- x y) in x
0.443 * [taylor]: Taking taylor expansion of x in x
0.443 * [taylor]: Taking taylor expansion of y in x
0.443 * [taylor]: Taking taylor expansion of -2.0 in y
0.445 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.445 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.445 * [taylor]: Taking taylor expansion of 2.0 in y
0.445 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.445 * [taylor]: Taking taylor expansion of y in y
0.448 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.448 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.448 * [taylor]: Taking taylor expansion of 2.0 in y
0.448 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.448 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.448 * [taylor]: Taking taylor expansion of y in y
0.454 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.454 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.454 * [taylor]: Taking taylor expansion of 2.0 in y
0.454 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.454 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.454 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.454 * [taylor]: Taking taylor expansion of x in y
0.454 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.454 * [taylor]: Taking taylor expansion of y in y
0.454 * [taylor]: Taking taylor expansion of (* x y) in y
0.454 * [taylor]: Taking taylor expansion of x in y
0.454 * [taylor]: Taking taylor expansion of y in y
0.456 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.456 * [taylor]: Taking taylor expansion of 2.0 in x
0.456 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.456 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.456 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.456 * [taylor]: Taking taylor expansion of x in x
0.457 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.457 * [taylor]: Taking taylor expansion of y in x
0.457 * [taylor]: Taking taylor expansion of (* x y) in x
0.457 * [taylor]: Taking taylor expansion of x in x
0.457 * [taylor]: Taking taylor expansion of y in x
0.458 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.458 * [taylor]: Taking taylor expansion of 2.0 in x
0.458 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.458 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.458 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.458 * [taylor]: Taking taylor expansion of x in x
0.458 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.458 * [taylor]: Taking taylor expansion of y in x
0.458 * [taylor]: Taking taylor expansion of (* x y) in x
0.458 * [taylor]: Taking taylor expansion of x in x
0.458 * [taylor]: Taking taylor expansion of y in x
0.460 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.460 * [taylor]: Taking taylor expansion of 2.0 in y
0.460 * [taylor]: Taking taylor expansion of y in y
0.463 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.463 * [taylor]: Taking taylor expansion of 2.0 in y
0.463 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.463 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.463 * [taylor]: Taking taylor expansion of y in y
0.469 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.469 * [taylor]: Taking taylor expansion of 2.0 in y
0.469 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.469 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.469 * [taylor]: Taking taylor expansion of y in y
0.477 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.477 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.477 * [taylor]: Taking taylor expansion of 2.0 in y
0.477 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.477 * [taylor]: Taking taylor expansion of x in y
0.477 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.477 * [taylor]: Taking taylor expansion of y in y
0.477 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.477 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.477 * [taylor]: Taking taylor expansion of y in y
0.477 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.477 * [taylor]: Taking taylor expansion of x in y
0.479 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.479 * [taylor]: Taking taylor expansion of 2.0 in x
0.479 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.479 * [taylor]: Taking taylor expansion of x in x
0.479 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.479 * [taylor]: Taking taylor expansion of y in x
0.479 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.479 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.479 * [taylor]: Taking taylor expansion of y in x
0.479 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.479 * [taylor]: Taking taylor expansion of x in x
0.481 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.481 * [taylor]: Taking taylor expansion of 2.0 in x
0.481 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.481 * [taylor]: Taking taylor expansion of x in x
0.481 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.481 * [taylor]: Taking taylor expansion of y in x
0.481 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.481 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.481 * [taylor]: Taking taylor expansion of y in x
0.481 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.481 * [taylor]: Taking taylor expansion of x in x
0.483 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.483 * [taylor]: Taking taylor expansion of -2.0 in y
0.483 * [taylor]: Taking taylor expansion of y in y
0.486 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.486 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.486 * [taylor]: Taking taylor expansion of 2.0 in y
0.486 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.486 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.486 * [taylor]: Taking taylor expansion of y in y
0.492 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.492 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.492 * [taylor]: Taking taylor expansion of 2.0 in y
0.492 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.492 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.492 * [taylor]: Taking taylor expansion of y in y
0.500 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.500 * [approximate]: Taking taylor expansion of (/ (- x y) y) in (x y) around 0
0.500 * [taylor]: Taking taylor expansion of (/ (- x y) y) in y
0.500 * [taylor]: Taking taylor expansion of (- x y) in y
0.500 * [taylor]: Taking taylor expansion of x in y
0.500 * [taylor]: Taking taylor expansion of y in y
0.500 * [taylor]: Taking taylor expansion of y in y
0.500 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
0.500 * [taylor]: Taking taylor expansion of (- x y) in x
0.500 * [taylor]: Taking taylor expansion of x in x
0.500 * [taylor]: Taking taylor expansion of y in x
0.500 * [taylor]: Taking taylor expansion of y in x
0.500 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
0.500 * [taylor]: Taking taylor expansion of (- x y) in x
0.500 * [taylor]: Taking taylor expansion of x in x
0.500 * [taylor]: Taking taylor expansion of y in x
0.500 * [taylor]: Taking taylor expansion of y in x
0.501 * [taylor]: Taking taylor expansion of -1 in y
0.501 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.501 * [taylor]: Taking taylor expansion of y in y
0.502 * [taylor]: Taking taylor expansion of 0 in y
0.503 * [taylor]: Taking taylor expansion of 0 in y
0.504 * [taylor]: Taking taylor expansion of 0 in y
0.504 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in (x y) around 0
0.504 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.504 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.504 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.504 * [taylor]: Taking taylor expansion of x in y
0.504 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.504 * [taylor]: Taking taylor expansion of y in y
0.505 * [taylor]: Taking taylor expansion of y in y
0.505 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.505 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.505 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.505 * [taylor]: Taking taylor expansion of x in x
0.505 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.505 * [taylor]: Taking taylor expansion of y in x
0.505 * [taylor]: Taking taylor expansion of y in x
0.505 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.505 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.505 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.505 * [taylor]: Taking taylor expansion of x in x
0.505 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.505 * [taylor]: Taking taylor expansion of y in x
0.506 * [taylor]: Taking taylor expansion of y in x
0.506 * [taylor]: Taking taylor expansion of y in y
0.510 * [taylor]: Taking taylor expansion of (- 1) in y
0.510 * [taylor]: Taking taylor expansion of 1 in y
0.512 * [taylor]: Taking taylor expansion of 0 in y
0.514 * [taylor]: Taking taylor expansion of 0 in y
0.516 * [taylor]: Taking taylor expansion of 0 in y
0.516 * [approximate]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.516 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.516 * [taylor]: Taking taylor expansion of -1 in y
0.516 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.516 * [taylor]: Taking taylor expansion of y in y
0.516 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.516 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.516 * [taylor]: Taking taylor expansion of y in y
0.517 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.517 * [taylor]: Taking taylor expansion of x in y
0.517 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.517 * [taylor]: Taking taylor expansion of -1 in x
0.517 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.517 * [taylor]: Taking taylor expansion of y in x
0.517 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.517 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.517 * [taylor]: Taking taylor expansion of y in x
0.517 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.517 * [taylor]: Taking taylor expansion of x in x
0.517 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.517 * [taylor]: Taking taylor expansion of -1 in x
0.517 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.517 * [taylor]: Taking taylor expansion of y in x
0.517 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.517 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.517 * [taylor]: Taking taylor expansion of y in x
0.517 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.517 * [taylor]: Taking taylor expansion of x in x
0.518 * [taylor]: Taking taylor expansion of y in y
0.520 * [taylor]: Taking taylor expansion of (- 1) in y
0.520 * [taylor]: Taking taylor expansion of 1 in y
0.521 * [taylor]: Taking taylor expansion of 0 in y
0.524 * [taylor]: Taking taylor expansion of 0 in y
0.527 * [taylor]: Taking taylor expansion of 0 in y
0.527 * * * [progress]: simplifying candidates
0.529 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (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)
0.535 * * [simplify]: iteration  0 :  392  enodes  (cost  620 )
0.544 * * [simplify]: iteration  1 :  1920  enodes  (cost  563 )
0.579 * * [simplify]: iteration  2 :  5001  enodes  (cost  562 )
0.582 * [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)) (sqrt y)))
  (/ 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))
  (* y 2.0)
  (/ y (- x 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 (/ (sqrt (- x y)) 2.0))
  (* (* 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 (/ (+ (sqrt x) (sqrt y)) 2.0))
  (* (* 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) 1) 3)
  (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y)))
  (cbrt (/ (- x y) y))
  (pow (- (/ x y) 1) 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) 1)
  (/ (+ (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) 1)
  (/ 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))
  (* (fma x x (fma y y (* x y))) y)
  (fma y y (* x y))
  0
  0
  0
  (- (/ x y) 1)
  (- (/ x y) 1)
  (- (/ x y) 1)
0.583 * * * [progress]: adding candidates to table
0.773 * * [progress]: iteration 4 / 4
0.773 * * * [progress]: picking best candidate
0.775 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x 2.0) (- (/ x y) 1)))>
0.775 * * * [progress]: localizing error
0.781 * * * [progress]: generating rewritten candidates
0.781 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.801 * * * [progress]: generating series expansions
0.801 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.801 * [approximate]: Taking taylor expansion of (* 2.0 (/ x (- (/ x y) 1))) in (x y) around 0
0.801 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- (/ x y) 1))) in y
0.801 * [taylor]: Taking taylor expansion of 2.0 in y
0.801 * [taylor]: Taking taylor expansion of (/ x (- (/ x y) 1)) in y
0.801 * [taylor]: Taking taylor expansion of x in y
0.801 * [taylor]: Taking taylor expansion of (- (/ x y) 1) in y
0.801 * [taylor]: Taking taylor expansion of (/ x y) in y
0.801 * [taylor]: Taking taylor expansion of x in y
0.801 * [taylor]: Taking taylor expansion of y in y
0.801 * [taylor]: Taking taylor expansion of 1 in y
0.801 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- (/ x y) 1))) in x
0.801 * [taylor]: Taking taylor expansion of 2.0 in x
0.801 * [taylor]: Taking taylor expansion of (/ x (- (/ x y) 1)) in x
0.801 * [taylor]: Taking taylor expansion of x in x
0.801 * [taylor]: Taking taylor expansion of (- (/ x y) 1) in x
0.801 * [taylor]: Taking taylor expansion of (/ x y) in x
0.801 * [taylor]: Taking taylor expansion of x in x
0.801 * [taylor]: Taking taylor expansion of y in x
0.801 * [taylor]: Taking taylor expansion of 1 in x
0.802 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- (/ x y) 1))) in x
0.802 * [taylor]: Taking taylor expansion of 2.0 in x
0.802 * [taylor]: Taking taylor expansion of (/ x (- (/ x y) 1)) in x
0.802 * [taylor]: Taking taylor expansion of x in x
0.803 * [taylor]: Taking taylor expansion of (- (/ x y) 1) in x
0.803 * [taylor]: Taking taylor expansion of (/ x y) in x
0.803 * [taylor]: Taking taylor expansion of x in x
0.803 * [taylor]: Taking taylor expansion of y in x
0.803 * [taylor]: Taking taylor expansion of 1 in x
0.804 * [taylor]: Taking taylor expansion of -2.0 in y
0.805 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.805 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.805 * [taylor]: Taking taylor expansion of 2.0 in y
0.805 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.805 * [taylor]: Taking taylor expansion of y in y
0.808 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.808 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.808 * [taylor]: Taking taylor expansion of 2.0 in y
0.808 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.808 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.808 * [taylor]: Taking taylor expansion of y in y
0.814 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (- (/ y x) 1))) in (x y) around 0
0.814 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (- (/ y x) 1))) in y
0.814 * [taylor]: Taking taylor expansion of 2.0 in y
0.814 * [taylor]: Taking taylor expansion of (* x (- (/ y x) 1)) in y
0.814 * [taylor]: Taking taylor expansion of x in y
0.814 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in y
0.814 * [taylor]: Taking taylor expansion of (/ y x) in y
0.814 * [taylor]: Taking taylor expansion of y in y
0.814 * [taylor]: Taking taylor expansion of x in y
0.814 * [taylor]: Taking taylor expansion of 1 in y
0.814 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (- (/ y x) 1))) in x
0.814 * [taylor]: Taking taylor expansion of 2.0 in x
0.814 * [taylor]: Taking taylor expansion of (* x (- (/ y x) 1)) in x
0.814 * [taylor]: Taking taylor expansion of x in x
0.814 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in x
0.814 * [taylor]: Taking taylor expansion of (/ y x) in x
0.814 * [taylor]: Taking taylor expansion of y in x
0.814 * [taylor]: Taking taylor expansion of x in x
0.814 * [taylor]: Taking taylor expansion of 1 in x
0.816 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (- (/ y x) 1))) in x
0.816 * [taylor]: Taking taylor expansion of 2.0 in x
0.816 * [taylor]: Taking taylor expansion of (* x (- (/ y x) 1)) in x
0.816 * [taylor]: Taking taylor expansion of x in x
0.816 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in x
0.816 * [taylor]: Taking taylor expansion of (/ y x) in x
0.816 * [taylor]: Taking taylor expansion of y in x
0.816 * [taylor]: Taking taylor expansion of x in x
0.816 * [taylor]: Taking taylor expansion of 1 in x
0.817 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.817 * [taylor]: Taking taylor expansion of 2.0 in y
0.817 * [taylor]: Taking taylor expansion of y in y
0.820 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.820 * [taylor]: Taking taylor expansion of 2.0 in y
0.820 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.820 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.820 * [taylor]: Taking taylor expansion of y in y
0.826 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.826 * [taylor]: Taking taylor expansion of 2.0 in y
0.826 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.826 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.826 * [taylor]: Taking taylor expansion of y in y
0.834 * [approximate]: Taking taylor expansion of (/ -2.0 (* x (- (/ y x) 1))) in (x y) around 0
0.834 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ y x) 1))) in y
0.834 * [taylor]: Taking taylor expansion of -2.0 in y
0.834 * [taylor]: Taking taylor expansion of (* x (- (/ y x) 1)) in y
0.834 * [taylor]: Taking taylor expansion of x in y
0.834 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in y
0.834 * [taylor]: Taking taylor expansion of (/ y x) in y
0.834 * [taylor]: Taking taylor expansion of y in y
0.834 * [taylor]: Taking taylor expansion of x in y
0.834 * [taylor]: Taking taylor expansion of 1 in y
0.835 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ y x) 1))) in x
0.835 * [taylor]: Taking taylor expansion of -2.0 in x
0.835 * [taylor]: Taking taylor expansion of (* x (- (/ y x) 1)) in x
0.835 * [taylor]: Taking taylor expansion of x in x
0.835 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in x
0.835 * [taylor]: Taking taylor expansion of (/ y x) in x
0.835 * [taylor]: Taking taylor expansion of y in x
0.835 * [taylor]: Taking taylor expansion of x in x
0.835 * [taylor]: Taking taylor expansion of 1 in x
0.837 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ y x) 1))) in x
0.837 * [taylor]: Taking taylor expansion of -2.0 in x
0.837 * [taylor]: Taking taylor expansion of (* x (- (/ y x) 1)) in x
0.837 * [taylor]: Taking taylor expansion of x in x
0.837 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in x
0.837 * [taylor]: Taking taylor expansion of (/ y x) in x
0.837 * [taylor]: Taking taylor expansion of y in x
0.837 * [taylor]: Taking taylor expansion of x in x
0.837 * [taylor]: Taking taylor expansion of 1 in x
0.838 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.838 * [taylor]: Taking taylor expansion of -2.0 in y
0.838 * [taylor]: Taking taylor expansion of y in y
0.842 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.842 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.842 * [taylor]: Taking taylor expansion of 2.0 in y
0.842 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.842 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.842 * [taylor]: Taking taylor expansion of y in y
0.848 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.848 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.848 * [taylor]: Taking taylor expansion of 2.0 in y
0.848 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.848 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.848 * [taylor]: Taking taylor expansion of y in y
0.856 * * * [progress]: simplifying candidates
0.857 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (/ (* x 2.0) (- (/ x y) 1)))
  (log1p (/ (* x 2.0) (- (/ x y) 1)))
  (- (+ (log x) (log 2.0)) (log (- (/ x y) 1)))
  (- (log (* x 2.0)) (log (- (/ x y) 1)))
  (log (/ (* x 2.0) (- (/ x y) 1)))
  (exp (/ (* x 2.0) (- (/ x y) 1)))
  (/ (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* (- (/ x y) 1) (- (/ x y) 1)) (- (/ x y) 1)))
  (/ (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* (- (/ x y) 1) (- (/ x y) 1)) (- (/ x y) 1)))
  (* (cbrt (/ (* x 2.0) (- (/ x y) 1))) (cbrt (/ (* x 2.0) (- (/ x y) 1))))
  (cbrt (/ (* x 2.0) (- (/ x y) 1)))
  (* (* (/ (* x 2.0) (- (/ x y) 1)) (/ (* x 2.0) (- (/ x y) 1))) (/ (* x 2.0) (- (/ x y) 1)))
  (sqrt (/ (* x 2.0) (- (/ x y) 1)))
  (sqrt (/ (* x 2.0) (- (/ x y) 1)))
  (- (* x 2.0))
  (- (- (/ x y) 1))
  (/ x (* (cbrt (- (/ x y) 1)) (cbrt (- (/ x y) 1))))
  (/ 2.0 (cbrt (- (/ x y) 1)))
  (/ x (sqrt (- (/ x y) 1)))
  (/ 2.0 (sqrt (- (/ x y) 1)))
  (/ x 1)
  (/ 2.0 (- (/ x y) 1))
  (/ x (+ (sqrt (/ x y)) (sqrt 1)))
  (/ 2.0 (- (sqrt (/ x y)) (sqrt 1)))
  (/ x (+ (sqrt (/ x y)) 1))
  (/ 2.0 (- (sqrt (/ x y)) 1))
  (/ x (+ (/ (sqrt x) (sqrt y)) (sqrt 1)))
  (/ 2.0 (- (/ (sqrt x) (sqrt y)) (sqrt 1)))
  (/ x (+ (/ (sqrt x) (sqrt y)) 1))
  (/ 2.0 (- (/ (sqrt x) (sqrt y)) 1))
  (/ x (+ (sqrt (/ x y)) 1))
  (/ 2.0 (- (sqrt (/ x y)) 1))
  (/ x (+ (/ (sqrt x) (sqrt y)) 1))
  (/ 2.0 (- (/ (sqrt x) (sqrt y)) 1))
  (/ x 1)
  (/ 2.0 (- (/ x y) 1))
  (/ 1 (- (/ x y) 1))
  (/ (- (/ x y) 1) (* x 2.0))
  (/ (* x 2.0) (* (cbrt (- (/ x y) 1)) (cbrt (- (/ x y) 1))))
  (/ (* x 2.0) (sqrt (- (/ x y) 1)))
  (/ (* x 2.0) 1)
  (/ (* x 2.0) (+ (sqrt (/ x y)) (sqrt 1)))
  (/ (* x 2.0) (+ (sqrt (/ x y)) 1))
  (/ (* x 2.0) (+ (/ (sqrt x) (sqrt y)) (sqrt 1)))
  (/ (* x 2.0) (+ (/ (sqrt x) (sqrt y)) 1))
  (/ (* x 2.0) (+ (sqrt (/ x y)) 1))
  (/ (* x 2.0) (+ (/ (sqrt x) (sqrt y)) 1))
  (/ (* x 2.0) 1)
  (/ (- (/ x y) 1) 2.0)
  (/ (* x 2.0) (- (pow (/ x y) 3) (pow 1 3)))
  (/ (* x 2.0) (- (* (/ x y) (/ x y)) (* 1 1)))
  0
  0
  0
0.862 * * [simplify]: iteration  0 :  204  enodes  (cost  259 )
0.867 * * [simplify]: iteration  1 :  859  enodes  (cost  226 )
0.886 * * [simplify]: iteration  2 :  3910  enodes  (cost  226 )
0.941 * * [simplify]: iteration  3 :  5001  enodes  (cost  226 )
0.942 * [simplify]: Simplified to:
   (expm1 (/ (* x 2.0) (- (/ x y) 1)))
  (log1p (/ (* x 2.0) (- (/ x y) 1)))
  (log (/ (* x 2.0) (- (/ x y) 1)))
  (log (/ (* x 2.0) (- (/ x y) 1)))
  (log (/ (* x 2.0) (- (/ x y) 1)))
  (exp (/ (* x 2.0) (- (/ x y) 1)))
  (pow (/ (* x 2.0) (- (/ x y) 1)) 3)
  (pow (/ (* x 2.0) (- (/ x y) 1)) 3)
  (* (cbrt (/ (* x 2.0) (- (/ x y) 1))) (cbrt (/ (* x 2.0) (- (/ x y) 1))))
  (cbrt (/ (* x 2.0) (- (/ x y) 1)))
  (pow (/ (* x 2.0) (- (/ x y) 1)) 3)
  (sqrt (/ (* x 2.0) (- (/ x y) 1)))
  (sqrt (/ (* x 2.0) (- (/ x y) 1)))
  (- (* x 2.0))
  (- (- (/ x y) 1))
  (/ x (* (cbrt (- (/ x y) 1)) (cbrt (- (/ x y) 1))))
  (/ 2.0 (cbrt (- (/ x y) 1)))
  (/ x (sqrt (- (/ x y) 1)))
  (/ 2.0 (sqrt (- (/ x y) 1)))
  x
  (/ 2.0 (- (/ x y) 1))
  (/ x (+ (sqrt (/ x y)) 1))
  (/ 2.0 (- (sqrt (/ x y)) 1))
  (/ x (+ (sqrt (/ x y)) 1))
  (/ 2.0 (- (sqrt (/ x y)) 1))
  (/ x (+ (/ (sqrt x) (sqrt y)) 1))
  (/ 2.0 (- (/ (sqrt x) (sqrt y)) 1))
  (/ x (+ (/ (sqrt x) (sqrt y)) 1))
  (/ 2.0 (- (/ (sqrt x) (sqrt y)) 1))
  (/ x (+ (sqrt (/ x y)) 1))
  (/ 2.0 (- (sqrt (/ x y)) 1))
  (/ x (+ (/ (sqrt x) (sqrt y)) 1))
  (/ 2.0 (- (/ (sqrt x) (sqrt y)) 1))
  x
  (/ 2.0 (- (/ x y) 1))
  (/ 1 (- (/ x y) 1))
  (/ (- (/ x y) 1) (* x 2.0))
  (/ (* x 2.0) (* (cbrt (- (/ x y) 1)) (cbrt (- (/ x y) 1))))
  (/ (* x 2.0) (sqrt (- (/ x y) 1)))
  (* x 2.0)
  (/ (* x 2.0) (+ (sqrt (/ x y)) 1))
  (/ (* x 2.0) (+ (sqrt (/ x y)) 1))
  (/ (* x 2.0) (+ (/ (sqrt x) (sqrt y)) 1))
  (/ (* x 2.0) (+ (/ (sqrt x) (sqrt y)) 1))
  (/ (* x 2.0) (+ (sqrt (/ x y)) 1))
  (/ (* x 2.0) (+ (/ (sqrt x) (sqrt y)) 1))
  (* x 2.0)
  (/ (- (/ x y) 1) 2.0)
  (/ (* x 2.0) (- (pow (/ x y) 3) 1))
  (/ (* x 2.0) (- (* (/ x y) (/ x y)) 1))
  0
  0
  0
0.942 * * * [progress]: adding candidates to table
1.008 * [progress]: [Phase 3 of 3] Extracting.
1.008 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (* x 2.0) (- (/ x y) 1)))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>)
1.008 * * * [regime-changes]: Trying 2 branch expressions: (y x)
1.008 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (* x 2.0) (- (/ x y) 1)))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>)
1.025 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (* x 2.0) (- (/ x y) 1)))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>)
1.045 * * * [regime]: Found split indices: #<option (#s(si 1 51) #s(si 0 183) #s(si 1 255))>
1.046 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (/ (* x 2.0) (- (/ x y) 1)))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>)
1.101 * [regimes]: Found splitpoints: (#s(sp 1 x -4.090494467746073e+64) #s(sp 0 x 2.867044851063704e-84) #s(sp 1 x +nan.0)) , with alts (#<alt (λ (x y) (/ (* x 2.0) (- (/ x y) 1)))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>)
1.101 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= x -4.090494467746073e+64) (* (/ (* x 2.0) (- x y)) y) (if (<= x 2.867044851063704e-84) (/ (* x 2.0) (- (/ x y) 1)) (* (/ (* x 2.0) (- x y)) y)))
1.103 * * [simplify]: iteration  0 :  24  enodes  (cost  8 )
1.103 * * [simplify]: iteration  1 :  24  enodes  (cost  8 )
1.103 * [simplify]: Simplified to:
   (if (or (<= x -4.090494467746073e+64) (not (<= x 2.867044851063704e-84))) (* (/ (* x 2.0) (- x y)) y) (/ (* x 2.0) (- (/ x y) 1)))
1.474 * [regime-testing]: Baseline error score: 7.572865568658408
1.474 * [regime-testing]: Oracle error score: 0.03675459432429053
1.475 * [regime-testing]: End program error score: 0.4649505256697027
1.495 * [regime-testing]: Target error score: 0.3376650277131435