15.622 * [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))
0.016 * * [simplify]: iteration  0 :  15  enodes  (cost  4 )
0.018 * * [simplify]: iteration  1 :  36  enodes  (cost  4 )
0.019 * * [simplify]: iteration  2 :  73  enodes  (cost  4 )
0.021 * * [simplify]: iteration  3 :  127  enodes  (cost  4 )
0.023 * * [simplify]: iteration  4 :  167  enodes  (cost  4 )
0.025 * * [simplify]: iteration  5 :  185  enodes  (cost  4 )
0.027 * * [simplify]: iteration  6 :  187  enodes  (cost  4 )
0.029 * * [simplify]: iteration  7 :  187  enodes  (cost  4 )
0.030 * [simplify]: Simplified to:
   (/ (* (* x 2.0) y) (- x y))
0.030 * * [progress]: iteration 1 / 4
0.030 * * * [progress]: picking best candidate
0.034 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (* x 2.0) y) (- x y)))>
0.034 * * * [progress]: localizing error
0.040 * * * [progress]: generating rewritten candidates
0.040 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.065 * * * [progress]: generating series expansions
0.066 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.066 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.066 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.066 * [taylor]: Taking taylor expansion of 2.0 in y
0.066 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.066 * [taylor]: Taking taylor expansion of (* x y) in y
0.066 * [taylor]: Taking taylor expansion of x in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.066 * [taylor]: Taking taylor expansion of (- x y) in y
0.066 * [taylor]: Taking taylor expansion of x in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.067 * [taylor]: Taking taylor expansion of 2.0 in x
0.067 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.067 * [taylor]: Taking taylor expansion of (* x y) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [taylor]: Taking taylor expansion of (- x y) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.067 * [taylor]: Taking taylor expansion of 2.0 in x
0.067 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.067 * [taylor]: Taking taylor expansion of (* x y) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [taylor]: Taking taylor expansion of (- x y) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of -2.0 in y
0.069 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.069 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.069 * [taylor]: Taking taylor expansion of 2.0 in y
0.069 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.069 * [taylor]: Taking taylor expansion of y in y
0.072 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.072 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.072 * [taylor]: Taking taylor expansion of 2.0 in y
0.072 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.072 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.072 * [taylor]: Taking taylor expansion of y in y
0.077 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.077 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.077 * [taylor]: Taking taylor expansion of 2.0 in y
0.078 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.078 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.078 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.078 * [taylor]: Taking taylor expansion of x in y
0.078 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.078 * [taylor]: Taking taylor expansion of y in y
0.078 * [taylor]: Taking taylor expansion of (* x y) in y
0.078 * [taylor]: Taking taylor expansion of x in y
0.078 * [taylor]: Taking taylor expansion of y in y
0.079 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.079 * [taylor]: Taking taylor expansion of 2.0 in x
0.079 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.079 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [taylor]: Taking taylor expansion of (* x y) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.081 * [taylor]: Taking taylor expansion of 2.0 in x
0.081 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.081 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of (* x y) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.083 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.083 * [taylor]: Taking taylor expansion of 2.0 in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.086 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.086 * [taylor]: Taking taylor expansion of 2.0 in y
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.086 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.086 * [taylor]: Taking taylor expansion of y in y
0.091 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.091 * [taylor]: Taking taylor expansion of 2.0 in y
0.091 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.091 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.091 * [taylor]: Taking taylor expansion of y in y
0.098 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.098 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.098 * [taylor]: Taking taylor expansion of 2.0 in y
0.098 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.098 * [taylor]: Taking taylor expansion of x in y
0.098 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.098 * [taylor]: Taking taylor expansion of y in y
0.098 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.098 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.099 * [taylor]: Taking taylor expansion of y in y
0.099 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.099 * [taylor]: Taking taylor expansion of x in y
0.100 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.100 * [taylor]: Taking taylor expansion of 2.0 in x
0.100 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.106 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.106 * [taylor]: Taking taylor expansion of 2.0 in x
0.106 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.106 * [taylor]: Taking taylor expansion of x in x
0.106 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.106 * [taylor]: Taking taylor expansion of y in x
0.106 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.106 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.106 * [taylor]: Taking taylor expansion of y in x
0.106 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.106 * [taylor]: Taking taylor expansion of x in x
0.108 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.108 * [taylor]: Taking taylor expansion of -2.0 in y
0.108 * [taylor]: Taking taylor expansion of y in y
0.111 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.111 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.111 * [taylor]: Taking taylor expansion of 2.0 in y
0.111 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.111 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.111 * [taylor]: Taking taylor expansion of y in y
0.116 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.116 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.116 * [taylor]: Taking taylor expansion of 2.0 in y
0.116 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.116 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.116 * [taylor]: Taking taylor expansion of y in y
0.124 * * * [progress]: simplifying candidates
0.125 * [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
0.128 * * [simplify]: iteration  0 :  214  enodes  (cost  194 )
0.133 * * [simplify]: iteration  1 :  1150  enodes  (cost  161 )
0.157 * * [simplify]: iteration  2 :  5001  enodes  (cost  161 )
0.158 * [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
0.159 * * * [progress]: adding candidates to table
0.210 * * [progress]: iteration 2 / 4
0.210 * * * [progress]: picking best candidate
0.214 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x 2.0) (/ y (- x y))))>
0.214 * * * [progress]: localizing error
0.220 * * * [progress]: generating rewritten candidates
0.220 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.252 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.268 * * * [progress]: generating series expansions
0.268 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.268 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.268 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.268 * [taylor]: Taking taylor expansion of 2.0 in y
0.268 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.268 * [taylor]: Taking taylor expansion of (* x y) in y
0.268 * [taylor]: Taking taylor expansion of x in y
0.268 * [taylor]: Taking taylor expansion of y in y
0.268 * [taylor]: Taking taylor expansion of (- x y) in y
0.268 * [taylor]: Taking taylor expansion of x in y
0.268 * [taylor]: Taking taylor expansion of y in y
0.269 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.269 * [taylor]: Taking taylor expansion of 2.0 in x
0.269 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.269 * [taylor]: Taking taylor expansion of (* x y) in x
0.269 * [taylor]: Taking taylor expansion of x in x
0.269 * [taylor]: Taking taylor expansion of y in x
0.269 * [taylor]: Taking taylor expansion of (- x y) in x
0.269 * [taylor]: Taking taylor expansion of x in x
0.269 * [taylor]: Taking taylor expansion of y in x
0.270 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.270 * [taylor]: Taking taylor expansion of 2.0 in x
0.270 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.270 * [taylor]: Taking taylor expansion of (* x y) in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of y in x
0.270 * [taylor]: Taking taylor expansion of (- x y) in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of y in x
0.270 * [taylor]: Taking taylor expansion of -2.0 in y
0.272 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.272 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.272 * [taylor]: Taking taylor expansion of 2.0 in y
0.272 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.272 * [taylor]: Taking taylor expansion of y in y
0.275 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.275 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.275 * [taylor]: Taking taylor expansion of 2.0 in y
0.275 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.275 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.275 * [taylor]: Taking taylor expansion of y in y
0.280 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.280 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.280 * [taylor]: Taking taylor expansion of 2.0 in y
0.280 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.280 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.280 * [taylor]: Taking taylor expansion of x in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.280 * [taylor]: Taking taylor expansion of y in y
0.281 * [taylor]: Taking taylor expansion of (* x y) in y
0.281 * [taylor]: Taking taylor expansion of x in y
0.281 * [taylor]: Taking taylor expansion of y in y
0.282 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.282 * [taylor]: Taking taylor expansion of 2.0 in x
0.282 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.282 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.282 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.282 * [taylor]: Taking taylor expansion of x in x
0.283 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.283 * [taylor]: Taking taylor expansion of y in x
0.283 * [taylor]: Taking taylor expansion of (* x y) in x
0.283 * [taylor]: Taking taylor expansion of x in x
0.283 * [taylor]: Taking taylor expansion of y in x
0.284 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.284 * [taylor]: Taking taylor expansion of 2.0 in x
0.284 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.284 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.284 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.284 * [taylor]: Taking taylor expansion of x in x
0.284 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.284 * [taylor]: Taking taylor expansion of y in x
0.284 * [taylor]: Taking taylor expansion of (* x y) in x
0.284 * [taylor]: Taking taylor expansion of x in x
0.284 * [taylor]: Taking taylor expansion of y in x
0.286 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.286 * [taylor]: Taking taylor expansion of 2.0 in y
0.286 * [taylor]: Taking taylor expansion of y in y
0.289 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.289 * [taylor]: Taking taylor expansion of 2.0 in y
0.289 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.289 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.289 * [taylor]: Taking taylor expansion of y in y
0.294 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.294 * [taylor]: Taking taylor expansion of 2.0 in y
0.294 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.294 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.294 * [taylor]: Taking taylor expansion of y in y
0.302 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.302 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.302 * [taylor]: Taking taylor expansion of 2.0 in y
0.302 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.302 * [taylor]: Taking taylor expansion of x in y
0.302 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.302 * [taylor]: Taking taylor expansion of y in y
0.302 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.302 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.302 * [taylor]: Taking taylor expansion of y in y
0.302 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.302 * [taylor]: Taking taylor expansion of x in y
0.304 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.304 * [taylor]: Taking taylor expansion of 2.0 in x
0.304 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.304 * [taylor]: Taking taylor expansion of x in x
0.304 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.304 * [taylor]: Taking taylor expansion of y in x
0.304 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.304 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.304 * [taylor]: Taking taylor expansion of y in x
0.304 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.304 * [taylor]: Taking taylor expansion of x in x
0.306 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.306 * [taylor]: Taking taylor expansion of 2.0 in x
0.306 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.306 * [taylor]: Taking taylor expansion of x in x
0.306 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.306 * [taylor]: Taking taylor expansion of y in x
0.306 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.306 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.306 * [taylor]: Taking taylor expansion of y in x
0.306 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.306 * [taylor]: Taking taylor expansion of x in x
0.308 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.308 * [taylor]: Taking taylor expansion of -2.0 in y
0.308 * [taylor]: Taking taylor expansion of y in y
0.310 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.310 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.310 * [taylor]: Taking taylor expansion of 2.0 in y
0.310 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.310 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.310 * [taylor]: Taking taylor expansion of y in y
0.316 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.316 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.316 * [taylor]: Taking taylor expansion of 2.0 in y
0.316 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.316 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.316 * [taylor]: Taking taylor expansion of y in y
0.323 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.324 * [approximate]: Taking taylor expansion of (/ y (- x y)) in (y x) around 0
0.324 * [taylor]: Taking taylor expansion of (/ y (- x y)) in x
0.324 * [taylor]: Taking taylor expansion of y in x
0.324 * [taylor]: Taking taylor expansion of (- x y) in x
0.324 * [taylor]: Taking taylor expansion of x in x
0.324 * [taylor]: Taking taylor expansion of y in x
0.324 * [taylor]: Taking taylor expansion of (/ y (- x y)) in y
0.324 * [taylor]: Taking taylor expansion of y in y
0.324 * [taylor]: Taking taylor expansion of (- x y) in y
0.324 * [taylor]: Taking taylor expansion of x in y
0.324 * [taylor]: Taking taylor expansion of y in y
0.324 * [taylor]: Taking taylor expansion of (/ y (- x y)) in y
0.324 * [taylor]: Taking taylor expansion of y in y
0.324 * [taylor]: Taking taylor expansion of (- x y) in y
0.324 * [taylor]: Taking taylor expansion of x in y
0.324 * [taylor]: Taking taylor expansion of y in y
0.325 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.325 * [taylor]: Taking taylor expansion of x in x
0.326 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.326 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.326 * [taylor]: Taking taylor expansion of x in x
0.329 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.329 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.329 * [taylor]: Taking taylor expansion of x in x
0.340 * [approximate]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in (y x) around 0
0.340 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in x
0.340 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.340 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.340 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.340 * [taylor]: Taking taylor expansion of x in x
0.340 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.340 * [taylor]: Taking taylor expansion of y in x
0.340 * [taylor]: Taking taylor expansion of y in x
0.341 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in y
0.341 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.341 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.341 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.341 * [taylor]: Taking taylor expansion of x in y
0.341 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.341 * [taylor]: Taking taylor expansion of y in y
0.341 * [taylor]: Taking taylor expansion of y in y
0.343 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in y
0.343 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.343 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.343 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.343 * [taylor]: Taking taylor expansion of x in y
0.343 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.343 * [taylor]: Taking taylor expansion of y in y
0.343 * [taylor]: Taking taylor expansion of y in y
0.345 * [taylor]: Taking taylor expansion of -1 in x
0.347 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.347 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.347 * [taylor]: Taking taylor expansion of x in x
0.350 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2))) in x
0.350 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.350 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.350 * [taylor]: Taking taylor expansion of x in x
0.354 * [approximate]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in (y x) around 0
0.354 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.354 * [taylor]: Taking taylor expansion of -1 in x
0.354 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.354 * [taylor]: Taking taylor expansion of y in x
0.354 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.354 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.354 * [taylor]: Taking taylor expansion of y in x
0.354 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.354 * [taylor]: Taking taylor expansion of x in x
0.355 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.355 * [taylor]: Taking taylor expansion of -1 in y
0.355 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.355 * [taylor]: Taking taylor expansion of y in y
0.355 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.355 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.355 * [taylor]: Taking taylor expansion of y in y
0.355 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.355 * [taylor]: Taking taylor expansion of x in y
0.357 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.357 * [taylor]: Taking taylor expansion of -1 in y
0.357 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.357 * [taylor]: Taking taylor expansion of y in y
0.357 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.357 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.357 * [taylor]: Taking taylor expansion of y in y
0.357 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.357 * [taylor]: Taking taylor expansion of x in y
0.359 * [taylor]: Taking taylor expansion of -1 in x
0.360 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.360 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.360 * [taylor]: Taking taylor expansion of x in x
0.364 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2))) in x
0.364 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.364 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.364 * [taylor]: Taking taylor expansion of x in x
0.368 * * * [progress]: simplifying candidates
0.369 * [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)
  (expm1 (/ y (- x y)))
  (log1p (/ y (- x y)))
  (- (log y) (log (- x y)))
  (log (/ y (- x y)))
  (exp (/ y (- x y)))
  (/ (* (* y y) y) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (/ y (- x y))) (cbrt (/ y (- x y))))
  (cbrt (/ y (- x y)))
  (* (* (/ y (- x y)) (/ y (- x y))) (/ y (- x y)))
  (sqrt (/ y (- x y)))
  (sqrt (/ y (- x y)))
  (- y)
  (- (- x y))
  (/ (* (cbrt y) (cbrt y)) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (cbrt y) (cbrt (- x y)))
  (/ (* (cbrt y) (cbrt y)) (sqrt (- x y)))
  (/ (cbrt y) (sqrt (- x y)))
  (/ (* (cbrt y) (cbrt y)) 1)
  (/ (cbrt y) (- x y))
  (/ (* (cbrt y) (cbrt y)) (+ (sqrt x) (sqrt y)))
  (/ (cbrt y) (- (sqrt x) (sqrt y)))
  (/ (* (cbrt y) (cbrt y)) 1)
  (/ (cbrt y) (- x y))
  (/ (sqrt y) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (sqrt y) (cbrt (- x y)))
  (/ (sqrt y) (sqrt (- x y)))
  (/ (sqrt y) (sqrt (- x y)))
  (/ (sqrt y) 1)
  (/ (sqrt y) (- x y))
  (/ (sqrt y) (+ (sqrt x) (sqrt y)))
  (/ (sqrt y) (- (sqrt x) (sqrt y)))
  (/ (sqrt y) 1)
  (/ (sqrt y) (- x y))
  (/ 1 (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (cbrt (- x y)))
  (/ 1 (sqrt (- x y)))
  (/ y (sqrt (- x y)))
  (/ 1 1)
  (/ y (- x y))
  (/ 1 (+ (sqrt x) (sqrt y)))
  (/ y (- (sqrt x) (sqrt y)))
  (/ 1 1)
  (/ y (- x y))
  (/ 1 (- x y))
  (/ (- x y) y)
  (/ y (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (sqrt (- x y)))
  (/ y 1)
  (/ y (+ (sqrt x) (sqrt y)))
  (/ y 1)
  (/ (- x y) (cbrt y))
  (/ (- x y) (sqrt y))
  (/ (- x y) y)
  (/ y (- (pow x 3) (pow y 3)))
  (/ y (- (* x x) (* y y)))
  0
  0
  0
  0
  0
  0
0.374 * * [simplify]: iteration  0 :  315  enodes  (cost  451 )
0.382 * * [simplify]: iteration  1 :  1665  enodes  (cost  401 )
0.412 * * [simplify]: iteration  2 :  5001  enodes  (cost  401 )
0.414 * [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)
  (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
0.415 * * * [progress]: adding candidates to table
0.546 * * [progress]: iteration 3 / 4
0.546 * * * [progress]: picking best candidate
0.549 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>
0.550 * * * [progress]: localizing error
0.558 * * * [progress]: generating rewritten candidates
0.558 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.577 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.597 * * * [progress]: generating series expansions
0.597 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.597 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.597 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.597 * [taylor]: Taking taylor expansion of 2.0 in y
0.597 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.597 * [taylor]: Taking taylor expansion of (* x y) in y
0.597 * [taylor]: Taking taylor expansion of x in y
0.597 * [taylor]: Taking taylor expansion of y in y
0.597 * [taylor]: Taking taylor expansion of (- x y) in y
0.597 * [taylor]: Taking taylor expansion of x in y
0.597 * [taylor]: Taking taylor expansion of y in y
0.598 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.598 * [taylor]: Taking taylor expansion of 2.0 in x
0.598 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.598 * [taylor]: Taking taylor expansion of (* x y) in x
0.598 * [taylor]: Taking taylor expansion of x in x
0.598 * [taylor]: Taking taylor expansion of y in x
0.598 * [taylor]: Taking taylor expansion of (- x y) in x
0.598 * [taylor]: Taking taylor expansion of x in x
0.598 * [taylor]: Taking taylor expansion of y in x
0.599 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.599 * [taylor]: Taking taylor expansion of 2.0 in x
0.599 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.599 * [taylor]: Taking taylor expansion of (* x y) in x
0.599 * [taylor]: Taking taylor expansion of x in x
0.599 * [taylor]: Taking taylor expansion of y in x
0.599 * [taylor]: Taking taylor expansion of (- x y) in x
0.599 * [taylor]: Taking taylor expansion of x in x
0.599 * [taylor]: Taking taylor expansion of y in x
0.599 * [taylor]: Taking taylor expansion of -2.0 in y
0.601 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.601 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.601 * [taylor]: Taking taylor expansion of 2.0 in y
0.601 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.601 * [taylor]: Taking taylor expansion of y in y
0.604 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.604 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.604 * [taylor]: Taking taylor expansion of 2.0 in y
0.604 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.604 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.604 * [taylor]: Taking taylor expansion of y in y
0.609 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.609 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.609 * [taylor]: Taking taylor expansion of 2.0 in y
0.609 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.609 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.609 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.609 * [taylor]: Taking taylor expansion of x in y
0.609 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.609 * [taylor]: Taking taylor expansion of y in y
0.610 * [taylor]: Taking taylor expansion of (* x y) in y
0.610 * [taylor]: Taking taylor expansion of x in y
0.610 * [taylor]: Taking taylor expansion of y in y
0.611 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.611 * [taylor]: Taking taylor expansion of 2.0 in x
0.611 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.611 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.611 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.611 * [taylor]: Taking taylor expansion of x in x
0.612 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.612 * [taylor]: Taking taylor expansion of y in x
0.612 * [taylor]: Taking taylor expansion of (* x y) in x
0.612 * [taylor]: Taking taylor expansion of x in x
0.612 * [taylor]: Taking taylor expansion of y in x
0.613 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.613 * [taylor]: Taking taylor expansion of 2.0 in x
0.613 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.613 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.613 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.613 * [taylor]: Taking taylor expansion of x in x
0.613 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.614 * [taylor]: Taking taylor expansion of y in x
0.614 * [taylor]: Taking taylor expansion of (* x y) in x
0.614 * [taylor]: Taking taylor expansion of x in x
0.614 * [taylor]: Taking taylor expansion of y in x
0.615 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.615 * [taylor]: Taking taylor expansion of 2.0 in y
0.615 * [taylor]: Taking taylor expansion of y in y
0.621 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.621 * [taylor]: Taking taylor expansion of 2.0 in y
0.621 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.621 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.621 * [taylor]: Taking taylor expansion of y in y
0.627 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.627 * [taylor]: Taking taylor expansion of 2.0 in y
0.627 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.627 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.627 * [taylor]: Taking taylor expansion of y in y
0.634 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.634 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.634 * [taylor]: Taking taylor expansion of 2.0 in y
0.634 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.634 * [taylor]: Taking taylor expansion of x in y
0.634 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.634 * [taylor]: Taking taylor expansion of y in y
0.634 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.634 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.634 * [taylor]: Taking taylor expansion of y in y
0.635 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.635 * [taylor]: Taking taylor expansion of x in y
0.636 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.636 * [taylor]: Taking taylor expansion of 2.0 in x
0.636 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.636 * [taylor]: Taking taylor expansion of x in x
0.636 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.636 * [taylor]: Taking taylor expansion of y in x
0.636 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.636 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.636 * [taylor]: Taking taylor expansion of y in x
0.636 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.636 * [taylor]: Taking taylor expansion of x in x
0.638 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.638 * [taylor]: Taking taylor expansion of 2.0 in x
0.638 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.638 * [taylor]: Taking taylor expansion of x in x
0.638 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.638 * [taylor]: Taking taylor expansion of y in x
0.638 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.638 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.638 * [taylor]: Taking taylor expansion of y in x
0.638 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.638 * [taylor]: Taking taylor expansion of x in x
0.640 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.640 * [taylor]: Taking taylor expansion of -2.0 in y
0.640 * [taylor]: Taking taylor expansion of y in y
0.643 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.643 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.643 * [taylor]: Taking taylor expansion of 2.0 in y
0.643 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.643 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.643 * [taylor]: Taking taylor expansion of y in y
0.648 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.648 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.648 * [taylor]: Taking taylor expansion of 2.0 in y
0.648 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.648 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.648 * [taylor]: Taking taylor expansion of y in y
0.656 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.656 * [approximate]: Taking taylor expansion of (/ (- x y) y) in (x y) around 0
0.656 * [taylor]: Taking taylor expansion of (/ (- x y) y) in y
0.656 * [taylor]: Taking taylor expansion of (- x y) in y
0.656 * [taylor]: Taking taylor expansion of x in y
0.656 * [taylor]: Taking taylor expansion of y in y
0.656 * [taylor]: Taking taylor expansion of y in y
0.656 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
0.656 * [taylor]: Taking taylor expansion of (- x y) in x
0.656 * [taylor]: Taking taylor expansion of x in x
0.656 * [taylor]: Taking taylor expansion of y in x
0.656 * [taylor]: Taking taylor expansion of y in x
0.656 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
0.656 * [taylor]: Taking taylor expansion of (- x y) in x
0.656 * [taylor]: Taking taylor expansion of x in x
0.656 * [taylor]: Taking taylor expansion of y in x
0.656 * [taylor]: Taking taylor expansion of y in x
0.657 * [taylor]: Taking taylor expansion of -1 in y
0.657 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.657 * [taylor]: Taking taylor expansion of y in y
0.658 * [taylor]: Taking taylor expansion of 0 in y
0.659 * [taylor]: Taking taylor expansion of 0 in y
0.660 * [taylor]: Taking taylor expansion of 0 in y
0.660 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in (x y) around 0
0.660 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.660 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.660 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.660 * [taylor]: Taking taylor expansion of x in y
0.660 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.660 * [taylor]: Taking taylor expansion of y in y
0.660 * [taylor]: Taking taylor expansion of y in y
0.660 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.660 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.660 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.660 * [taylor]: Taking taylor expansion of x in x
0.661 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.661 * [taylor]: Taking taylor expansion of y in x
0.661 * [taylor]: Taking taylor expansion of y in x
0.661 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.661 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.661 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.661 * [taylor]: Taking taylor expansion of x in x
0.661 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.661 * [taylor]: Taking taylor expansion of y in x
0.661 * [taylor]: Taking taylor expansion of y in x
0.661 * [taylor]: Taking taylor expansion of y in y
0.662 * [taylor]: Taking taylor expansion of (- 1) in y
0.662 * [taylor]: Taking taylor expansion of 1 in y
0.664 * [taylor]: Taking taylor expansion of 0 in y
0.665 * [taylor]: Taking taylor expansion of 0 in y
0.667 * [taylor]: Taking taylor expansion of 0 in y
0.668 * [approximate]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.668 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.668 * [taylor]: Taking taylor expansion of -1 in y
0.668 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.668 * [taylor]: Taking taylor expansion of y in y
0.668 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.668 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.668 * [taylor]: Taking taylor expansion of y in y
0.668 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.668 * [taylor]: Taking taylor expansion of x in y
0.668 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.668 * [taylor]: Taking taylor expansion of -1 in x
0.668 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.668 * [taylor]: Taking taylor expansion of y in x
0.668 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.668 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.668 * [taylor]: Taking taylor expansion of y in x
0.668 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.668 * [taylor]: Taking taylor expansion of x in x
0.668 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.668 * [taylor]: Taking taylor expansion of -1 in x
0.669 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.669 * [taylor]: Taking taylor expansion of y in x
0.669 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.669 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.669 * [taylor]: Taking taylor expansion of y in x
0.669 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.669 * [taylor]: Taking taylor expansion of x in x
0.669 * [taylor]: Taking taylor expansion of y in y
0.670 * [taylor]: Taking taylor expansion of (- 1) in y
0.670 * [taylor]: Taking taylor expansion of 1 in y
0.672 * [taylor]: Taking taylor expansion of 0 in y
0.674 * [taylor]: Taking taylor expansion of 0 in y
0.677 * [taylor]: Taking taylor expansion of 0 in y
0.677 * * * [progress]: simplifying candidates
0.679 * [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)
0.684 * * [simplify]: iteration  0 :  392  enodes  (cost  620 )
0.692 * * [simplify]: iteration  1 :  1920  enodes  (cost  563 )
0.724 * * [simplify]: iteration  2 :  5001  enodes  (cost  562 )
0.727 * [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)
0.728 * * * [progress]: adding candidates to table
0.903 * * [progress]: iteration 4 / 4
0.903 * * * [progress]: picking best candidate
0.904 * * * * [pick]: Picked  #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>
0.904 * * * [progress]: localizing error
0.910 * * * [progress]: generating rewritten candidates
0.910 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.943 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.962 * * * [progress]: generating series expansions
0.962 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.962 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.962 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.962 * [taylor]: Taking taylor expansion of 2.0 in y
0.962 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.962 * [taylor]: Taking taylor expansion of (* x y) in y
0.962 * [taylor]: Taking taylor expansion of x in y
0.962 * [taylor]: Taking taylor expansion of y in y
0.962 * [taylor]: Taking taylor expansion of (- x y) in y
0.962 * [taylor]: Taking taylor expansion of x in y
0.962 * [taylor]: Taking taylor expansion of y in y
0.963 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.963 * [taylor]: Taking taylor expansion of 2.0 in x
0.963 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.963 * [taylor]: Taking taylor expansion of (* x y) in x
0.963 * [taylor]: Taking taylor expansion of x in x
0.963 * [taylor]: Taking taylor expansion of y in x
0.963 * [taylor]: Taking taylor expansion of (- x y) in x
0.963 * [taylor]: Taking taylor expansion of x in x
0.963 * [taylor]: Taking taylor expansion of y in x
0.963 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.963 * [taylor]: Taking taylor expansion of 2.0 in x
0.963 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.963 * [taylor]: Taking taylor expansion of (* x y) in x
0.963 * [taylor]: Taking taylor expansion of x in x
0.963 * [taylor]: Taking taylor expansion of y in x
0.963 * [taylor]: Taking taylor expansion of (- x y) in x
0.963 * [taylor]: Taking taylor expansion of x in x
0.963 * [taylor]: Taking taylor expansion of y in x
0.964 * [taylor]: Taking taylor expansion of -2.0 in y
0.965 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.965 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.965 * [taylor]: Taking taylor expansion of 2.0 in y
0.965 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.965 * [taylor]: Taking taylor expansion of y in y
0.969 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.969 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.969 * [taylor]: Taking taylor expansion of 2.0 in y
0.969 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.969 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.969 * [taylor]: Taking taylor expansion of y in y
0.974 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.974 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.974 * [taylor]: Taking taylor expansion of 2.0 in y
0.974 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.974 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.974 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.974 * [taylor]: Taking taylor expansion of x in y
0.974 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.974 * [taylor]: Taking taylor expansion of y in y
0.974 * [taylor]: Taking taylor expansion of (* x y) in y
0.974 * [taylor]: Taking taylor expansion of x in y
0.974 * [taylor]: Taking taylor expansion of y in y
0.976 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.976 * [taylor]: Taking taylor expansion of 2.0 in x
0.976 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.976 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.976 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.976 * [taylor]: Taking taylor expansion of x in x
0.976 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.976 * [taylor]: Taking taylor expansion of y in x
0.976 * [taylor]: Taking taylor expansion of (* x y) in x
0.976 * [taylor]: Taking taylor expansion of x in x
0.976 * [taylor]: Taking taylor expansion of y in x
0.977 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.978 * [taylor]: Taking taylor expansion of 2.0 in x
0.978 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.978 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.978 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.978 * [taylor]: Taking taylor expansion of x in x
0.978 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.978 * [taylor]: Taking taylor expansion of y in x
0.978 * [taylor]: Taking taylor expansion of (* x y) in x
0.978 * [taylor]: Taking taylor expansion of x in x
0.978 * [taylor]: Taking taylor expansion of y in x
0.979 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.979 * [taylor]: Taking taylor expansion of 2.0 in y
0.979 * [taylor]: Taking taylor expansion of y in y
0.982 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.982 * [taylor]: Taking taylor expansion of 2.0 in y
0.982 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.982 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.982 * [taylor]: Taking taylor expansion of y in y
0.988 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.988 * [taylor]: Taking taylor expansion of 2.0 in y
0.988 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.988 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.988 * [taylor]: Taking taylor expansion of y in y
0.996 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.996 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.996 * [taylor]: Taking taylor expansion of 2.0 in y
0.996 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.996 * [taylor]: Taking taylor expansion of x in y
0.996 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.996 * [taylor]: Taking taylor expansion of y in y
0.996 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.996 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.996 * [taylor]: Taking taylor expansion of y in y
0.996 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.996 * [taylor]: Taking taylor expansion of x in y
0.997 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.998 * [taylor]: Taking taylor expansion of 2.0 in x
0.998 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.998 * [taylor]: Taking taylor expansion of x in x
0.998 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.998 * [taylor]: Taking taylor expansion of y in x
0.998 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.998 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.998 * [taylor]: Taking taylor expansion of y in x
0.998 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.998 * [taylor]: Taking taylor expansion of x in x
0.999 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
1.000 * [taylor]: Taking taylor expansion of 2.0 in x
1.000 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
1.000 * [taylor]: Taking taylor expansion of x in x
1.000 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
1.000 * [taylor]: Taking taylor expansion of y in x
1.000 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.000 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.000 * [taylor]: Taking taylor expansion of y in x
1.000 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.000 * [taylor]: Taking taylor expansion of x in x
1.002 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
1.002 * [taylor]: Taking taylor expansion of -2.0 in y
1.002 * [taylor]: Taking taylor expansion of y in y
1.004 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
1.004 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.004 * [taylor]: Taking taylor expansion of 2.0 in y
1.004 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.004 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.004 * [taylor]: Taking taylor expansion of y in y
1.009 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
1.010 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
1.010 * [taylor]: Taking taylor expansion of 2.0 in y
1.010 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
1.010 * [taylor]: Taking taylor expansion of (pow y 3) in y
1.010 * [taylor]: Taking taylor expansion of y in y
1.017 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
1.017 * [approximate]: Taking taylor expansion of (* 2.0 (/ x (- x y))) in (x y) around 0
1.017 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- x y))) in y
1.017 * [taylor]: Taking taylor expansion of 2.0 in y
1.017 * [taylor]: Taking taylor expansion of (/ x (- x y)) in y
1.017 * [taylor]: Taking taylor expansion of x in y
1.017 * [taylor]: Taking taylor expansion of (- x y) in y
1.017 * [taylor]: Taking taylor expansion of x in y
1.017 * [taylor]: Taking taylor expansion of y in y
1.018 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- x y))) in x
1.018 * [taylor]: Taking taylor expansion of 2.0 in x
1.018 * [taylor]: Taking taylor expansion of (/ x (- x y)) in x
1.018 * [taylor]: Taking taylor expansion of x in x
1.018 * [taylor]: Taking taylor expansion of (- x y) in x
1.018 * [taylor]: Taking taylor expansion of x in x
1.018 * [taylor]: Taking taylor expansion of y in x
1.018 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- x y))) in x
1.018 * [taylor]: Taking taylor expansion of 2.0 in x
1.018 * [taylor]: Taking taylor expansion of (/ x (- x y)) in x
1.018 * [taylor]: Taking taylor expansion of x in x
1.018 * [taylor]: Taking taylor expansion of (- x y) in x
1.018 * [taylor]: Taking taylor expansion of x in x
1.018 * [taylor]: Taking taylor expansion of y in x
1.018 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
1.018 * [taylor]: Taking taylor expansion of -2.0 in y
1.018 * [taylor]: Taking taylor expansion of y in y
1.020 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
1.020 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.020 * [taylor]: Taking taylor expansion of 2.0 in y
1.020 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.020 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.020 * [taylor]: Taking taylor expansion of y in y
1.024 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
1.024 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
1.024 * [taylor]: Taking taylor expansion of 2.0 in y
1.024 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
1.024 * [taylor]: Taking taylor expansion of (pow y 3) in y
1.024 * [taylor]: Taking taylor expansion of y in y
1.032 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) x)) in (x y) around 0
1.032 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) x)) in y
1.032 * [taylor]: Taking taylor expansion of 2.0 in y
1.032 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in y
1.032 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
1.032 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.032 * [taylor]: Taking taylor expansion of x in y
1.032 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.032 * [taylor]: Taking taylor expansion of y in y
1.032 * [taylor]: Taking taylor expansion of x in y
1.033 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) x)) in x
1.033 * [taylor]: Taking taylor expansion of 2.0 in x
1.033 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in x
1.033 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.033 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.033 * [taylor]: Taking taylor expansion of x in x
1.033 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.033 * [taylor]: Taking taylor expansion of y in x
1.033 * [taylor]: Taking taylor expansion of x in x
1.034 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) x)) in x
1.035 * [taylor]: Taking taylor expansion of 2.0 in x
1.035 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in x
1.035 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.035 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.035 * [taylor]: Taking taylor expansion of x in x
1.035 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.035 * [taylor]: Taking taylor expansion of y in x
1.035 * [taylor]: Taking taylor expansion of x in x
1.036 * [taylor]: Taking taylor expansion of 2.0 in y
1.038 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
1.038 * [taylor]: Taking taylor expansion of 2.0 in y
1.038 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.038 * [taylor]: Taking taylor expansion of y in y
1.047 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.047 * [taylor]: Taking taylor expansion of 2.0 in y
1.047 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.047 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.048 * [taylor]: Taking taylor expansion of y in y
1.052 * [approximate]: Taking taylor expansion of (/ -2.0 (* x (- (/ 1 y) (/ 1 x)))) in (x y) around 0
1.052 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ 1 y) (/ 1 x)))) in y
1.052 * [taylor]: Taking taylor expansion of -2.0 in y
1.052 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in y
1.052 * [taylor]: Taking taylor expansion of x in y
1.052 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
1.052 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.052 * [taylor]: Taking taylor expansion of y in y
1.053 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.053 * [taylor]: Taking taylor expansion of x in y
1.053 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ 1 y) (/ 1 x)))) in x
1.053 * [taylor]: Taking taylor expansion of -2.0 in x
1.053 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
1.053 * [taylor]: Taking taylor expansion of x in x
1.053 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.053 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.053 * [taylor]: Taking taylor expansion of y in x
1.053 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.053 * [taylor]: Taking taylor expansion of x in x
1.055 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ 1 y) (/ 1 x)))) in x
1.055 * [taylor]: Taking taylor expansion of -2.0 in x
1.055 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
1.055 * [taylor]: Taking taylor expansion of x in x
1.055 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.055 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.055 * [taylor]: Taking taylor expansion of y in x
1.055 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.055 * [taylor]: Taking taylor expansion of x in x
1.057 * [taylor]: Taking taylor expansion of 2.0 in y
1.059 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
1.059 * [taylor]: Taking taylor expansion of 2.0 in y
1.059 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.059 * [taylor]: Taking taylor expansion of y in y
1.063 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.064 * [taylor]: Taking taylor expansion of 2.0 in y
1.064 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.064 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.064 * [taylor]: Taking taylor expansion of y in y
1.068 * * * [progress]: simplifying candidates
1.069 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (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
1.073 * * [simplify]: iteration  0 :  268  enodes  (cost  331 )
1.079 * * [simplify]: iteration  1 :  1326  enodes  (cost  279 )
1.104 * * [simplify]: iteration  2 :  5001  enodes  (cost  279 )
1.106 * [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)
  (* (/ 1 (- x y)) y)
  (* y (fma x x (fma y y (* x y))))
  (fma y y (* x 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)))
  (* x 2.0)
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (* x 2.0)
  (/ (- 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
1.106 * * * [progress]: adding candidates to table
1.208 * [progress]: [Phase 3 of 3] Extracting.
1.208 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))> #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>)
1.208 * * * [regime-changes]: Trying 2 branch expressions: (y x)
1.208 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))> #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>)
1.224 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))> #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>)
1.244 * * * [regime]: Found split indices: #<option (#s(si 0 38) #s(si 1 192) #s(si 0 255))>
1.245 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))> #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>)
1.276 * [regimes]: Found splitpoints: (#s(sp 0 x -3.475967194392302e+122) #s(sp 1 x 67448507228.817856) #s(sp 0 x +nan.0)) , with alts (#<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))> #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>)
1.276 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= x -3.475967194392302e+122) (* (/ (* x 2.0) (- x y)) y) (if (<= x 67448507228.817856) (/ (* x 2.0) (/ (- x y) y)) (* (/ (* x 2.0) (- x y)) y)))
1.277 * * [simplify]: iteration  0 :  20  enodes  (cost  8 )
1.277 * * [simplify]: iteration  1 :  20  enodes  (cost  8 )
1.277 * [simplify]: Simplified to:
   (if (or (<= x -3.475967194392302e+122) (not (<= x 67448507228.817856))) (* (/ (* x 2.0) (- x y)) y) (/ (* x 2.0) (/ (- x y) y)))
1.677 * [regime-testing]: Baseline error score: 7.453156776621494
1.678 * [regime-testing]: Oracle error score: 0.03502561882753373
1.679 * [regime-testing]: End program error score: 0.6124344679627215
1.699 * [regime-testing]: Target error score: 0.3160434390769256