16.267 * [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
0.031 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (* x 2.0) y) (- x y)))>
0.031 * * * [progress]: localizing error
0.037 * * * [progress]: generating rewritten candidates
0.037 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.048 * * * [progress]: generating series expansions
0.048 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.048 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.048 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.048 * [taylor]: Taking taylor expansion of 2.0 in y
0.048 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.048 * [taylor]: Taking taylor expansion of (* x y) in y
0.048 * [taylor]: Taking taylor expansion of x in y
0.048 * [taylor]: Taking taylor expansion of y in y
0.048 * [taylor]: Taking taylor expansion of (- x y) in y
0.048 * [taylor]: Taking taylor expansion of x in y
0.048 * [taylor]: Taking taylor expansion of y in y
0.049 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.049 * [taylor]: Taking taylor expansion of 2.0 in x
0.049 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.049 * [taylor]: Taking taylor expansion of (* x y) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.049 * [taylor]: Taking taylor expansion of (- x y) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.050 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.050 * [taylor]: Taking taylor expansion of 2.0 in x
0.050 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.050 * [taylor]: Taking taylor expansion of (* x y) in x
0.050 * [taylor]: Taking taylor expansion of x in x
0.050 * [taylor]: Taking taylor expansion of y in x
0.050 * [taylor]: Taking taylor expansion of (- x y) in x
0.050 * [taylor]: Taking taylor expansion of x in x
0.050 * [taylor]: Taking taylor expansion of y in x
0.051 * [taylor]: Taking taylor expansion of -2.0 in y
0.052 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.052 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.052 * [taylor]: Taking taylor expansion of 2.0 in y
0.052 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.052 * [taylor]: Taking taylor expansion of y in y
0.056 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.056 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.056 * [taylor]: Taking taylor expansion of 2.0 in y
0.056 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.056 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.061 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.062 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.062 * [taylor]: Taking taylor expansion of 2.0 in y
0.062 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.062 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.062 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.062 * [taylor]: Taking taylor expansion of x in y
0.062 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.062 * [taylor]: Taking taylor expansion of (* x y) in y
0.062 * [taylor]: Taking taylor expansion of x in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.064 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.064 * [taylor]: Taking taylor expansion of 2.0 in x
0.064 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.064 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.064 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.065 * [taylor]: Taking taylor expansion of y in x
0.065 * [taylor]: Taking taylor expansion of (* x y) in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of y in x
0.066 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.066 * [taylor]: Taking taylor expansion of 2.0 in x
0.066 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.066 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.066 * [taylor]: Taking taylor expansion of y in x
0.066 * [taylor]: Taking taylor expansion of (* x y) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.068 * [taylor]: Taking taylor expansion of 2.0 in y
0.068 * [taylor]: Taking taylor expansion of y in y
0.071 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.071 * [taylor]: Taking taylor expansion of 2.0 in y
0.071 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.071 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.071 * [taylor]: Taking taylor expansion of y in y
0.077 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.077 * [taylor]: Taking taylor expansion of 2.0 in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.077 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.077 * [taylor]: Taking taylor expansion of y in y
0.089 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.089 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.089 * [taylor]: Taking taylor expansion of 2.0 in y
0.089 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.089 * [taylor]: Taking taylor expansion of x in y
0.089 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.089 * [taylor]: Taking taylor expansion of y in y
0.089 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.089 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.089 * [taylor]: Taking taylor expansion of y in y
0.089 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.089 * [taylor]: Taking taylor expansion of x in y
0.091 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.091 * [taylor]: Taking taylor expansion of 2.0 in x
0.091 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.091 * [taylor]: Taking taylor expansion of y in x
0.091 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.091 * [taylor]: Taking taylor expansion of y in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.093 * [taylor]: Taking taylor expansion of 2.0 in x
0.093 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.093 * [taylor]: Taking taylor expansion of y in x
0.093 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.093 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.093 * [taylor]: Taking taylor expansion of y in x
0.093 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.095 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.095 * [taylor]: Taking taylor expansion of -2.0 in y
0.095 * [taylor]: Taking taylor expansion of y in y
0.098 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.098 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.098 * [taylor]: Taking taylor expansion of 2.0 in y
0.098 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.098 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.098 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.104 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.104 * [taylor]: Taking taylor expansion of 2.0 in y
0.104 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.104 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.104 * [taylor]: Taking taylor expansion of y in y
0.112 * * * [progress]: simplifying candidates
0.113 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ (+ (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
0.116 * * [simplify]: iteration  0 :  211  enodes  (cost  184 )
0.121 * * [simplify]: iteration  1 :  1144  enodes  (cost  151 )
0.145 * * [simplify]: iteration  2 :  5002  enodes  (cost  151 )
0.146 * [simplify]: Simplified to:
   (log (/ (* (* x 2.0) y) (- x y)))
  (log (/ (* (* x 2.0) y) (- x y)))
  (log (/ (* (* x 2.0) y) (- x y)))
  (log (/ (* (* x 2.0) y) (- x y)))
  (exp (/ (* (* x 2.0) y) (- x y)))
  (pow (/ (* (* x 2.0) y) (- x y)) 3)
  (pow (/ (* (* x 2.0) y) (- x y)) 3)
  (pow (/ (* (* x 2.0) y) (- x y)) 3)
  (* (cbrt (/ (* (* x 2.0) y) (- x y))) (cbrt (/ (* (* x 2.0) y) (- x y))))
  (cbrt (/ (* (* x 2.0) y) (- x y)))
  (pow (/ (* (* x 2.0) y) (- x y)) 3)
  (sqrt (/ (* (* x 2.0) y) (- x y)))
  (sqrt (/ (* (* x 2.0) y) (- x y)))
  (- (* (* x 2.0) y))
  (- (- x y))
  (/ (* x 2.0) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (cbrt (- x y)))
  (/ (* x 2.0) (sqrt (- x y)))
  (/ y (sqrt (- x y)))
  (* x 2.0)
  (/ y (- x y))
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (/ y (- (sqrt x) (sqrt y)))
  (* x 2.0)
  (/ y (- x y))
  (/ 1 (- x y))
  (/ (- x y) (* (* x 2.0) y))
  (/ (* (* x 2.0) y) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (* (* x 2.0) y) (sqrt (- x y)))
  (* (* x 2.0) y)
  (/ (* (* x 2.0) y) (+ (sqrt x) (sqrt y)))
  (* (* x 2.0) y)
  (/ (- x y) y)
  (/ (* (* x 2.0) y) (- (pow x 3) (pow y 3)))
  (/ (* (* x 2.0) y) (- (* x x) (* y y)))
  0
  0
  0
0.146 * * * [progress]: adding candidates to table
0.192 * * [progress]: iteration 2 / 4
0.192 * * * [progress]: picking best candidate
0.197 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x 2.0) (/ y (- x y))))>
0.197 * * * [progress]: localizing error
0.202 * * * [progress]: generating rewritten candidates
0.202 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.220 * * * [progress]: generating series expansions
0.220 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.220 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.220 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.220 * [taylor]: Taking taylor expansion of 2.0 in y
0.220 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.220 * [taylor]: Taking taylor expansion of (* x y) in y
0.220 * [taylor]: Taking taylor expansion of x in y
0.220 * [taylor]: Taking taylor expansion of y in y
0.220 * [taylor]: Taking taylor expansion of (- x y) in y
0.220 * [taylor]: Taking taylor expansion of x in y
0.220 * [taylor]: Taking taylor expansion of y in y
0.221 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.221 * [taylor]: Taking taylor expansion of 2.0 in x
0.221 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.221 * [taylor]: Taking taylor expansion of (* x y) in x
0.221 * [taylor]: Taking taylor expansion of x in x
0.221 * [taylor]: Taking taylor expansion of y in x
0.221 * [taylor]: Taking taylor expansion of (- x y) in x
0.221 * [taylor]: Taking taylor expansion of x in x
0.221 * [taylor]: Taking taylor expansion of y in x
0.221 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.221 * [taylor]: Taking taylor expansion of 2.0 in x
0.221 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.221 * [taylor]: Taking taylor expansion of (* x y) in x
0.221 * [taylor]: Taking taylor expansion of x in x
0.221 * [taylor]: Taking taylor expansion of y in x
0.221 * [taylor]: Taking taylor expansion of (- x y) in x
0.221 * [taylor]: Taking taylor expansion of x in x
0.221 * [taylor]: Taking taylor expansion of y in x
0.222 * [taylor]: Taking taylor expansion of -2.0 in y
0.223 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.223 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.224 * [taylor]: Taking taylor expansion of 2.0 in y
0.224 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.224 * [taylor]: Taking taylor expansion of y in y
0.227 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.227 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.227 * [taylor]: Taking taylor expansion of 2.0 in y
0.227 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.227 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.227 * [taylor]: Taking taylor expansion of y in y
0.233 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.233 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.233 * [taylor]: Taking taylor expansion of 2.0 in y
0.233 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.233 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.233 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.233 * [taylor]: Taking taylor expansion of x in y
0.233 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.233 * [taylor]: Taking taylor expansion of y in y
0.233 * [taylor]: Taking taylor expansion of (* x y) in y
0.233 * [taylor]: Taking taylor expansion of x in y
0.233 * [taylor]: Taking taylor expansion of y in y
0.235 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.235 * [taylor]: Taking taylor expansion of 2.0 in x
0.235 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.235 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.235 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.235 * [taylor]: Taking taylor expansion of x in x
0.235 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.235 * [taylor]: Taking taylor expansion of y in x
0.235 * [taylor]: Taking taylor expansion of (* x y) in x
0.235 * [taylor]: Taking taylor expansion of x in x
0.235 * [taylor]: Taking taylor expansion of y in x
0.237 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.237 * [taylor]: Taking taylor expansion of 2.0 in x
0.237 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.237 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.237 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.237 * [taylor]: Taking taylor expansion of x in x
0.237 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.237 * [taylor]: Taking taylor expansion of y in x
0.237 * [taylor]: Taking taylor expansion of (* x y) in x
0.237 * [taylor]: Taking taylor expansion of x in x
0.237 * [taylor]: Taking taylor expansion of y in x
0.238 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.238 * [taylor]: Taking taylor expansion of 2.0 in y
0.238 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.244 * [taylor]: Taking taylor expansion of 2.0 in y
0.244 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.244 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.250 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.250 * [taylor]: Taking taylor expansion of 2.0 in y
0.250 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.250 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.250 * [taylor]: Taking taylor expansion of y in y
0.258 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.258 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.258 * [taylor]: Taking taylor expansion of 2.0 in y
0.258 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.258 * [taylor]: Taking taylor expansion of x in y
0.258 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.258 * [taylor]: Taking taylor expansion of y in y
0.258 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.258 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.258 * [taylor]: Taking taylor expansion of y in y
0.258 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.259 * [taylor]: Taking taylor expansion of x in y
0.260 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.260 * [taylor]: Taking taylor expansion of 2.0 in x
0.260 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.260 * [taylor]: Taking taylor expansion of x in x
0.260 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.260 * [taylor]: Taking taylor expansion of y in x
0.260 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.260 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.260 * [taylor]: Taking taylor expansion of y in x
0.260 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.260 * [taylor]: Taking taylor expansion of x in x
0.262 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.262 * [taylor]: Taking taylor expansion of 2.0 in x
0.262 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.262 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.262 * [taylor]: Taking taylor expansion of y in x
0.262 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.262 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.262 * [taylor]: Taking taylor expansion of y in x
0.262 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.264 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.265 * [taylor]: Taking taylor expansion of -2.0 in y
0.265 * [taylor]: Taking taylor expansion of y in y
0.267 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.267 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.267 * [taylor]: Taking taylor expansion of 2.0 in y
0.267 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.267 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.267 * [taylor]: Taking taylor expansion of y in y
0.273 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.273 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.273 * [taylor]: Taking taylor expansion of 2.0 in y
0.273 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.274 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.274 * [taylor]: Taking taylor expansion of y in y
0.281 * * * [progress]: simplifying candidates
0.282 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* 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
0.286 * * [simplify]: iteration  0 :  280  enodes  (cost  248 )
0.292 * * [simplify]: iteration  1 :  1531  enodes  (cost  207 )
0.321 * * [simplify]: iteration  2 :  5001  enodes  (cost  207 )
0.322 * [simplify]: Simplified to:
   (* (* x 2.0) (/ y (- x y)))
  (* (* x 2.0) (/ y (- x y)))
  (log (* (* x 2.0) (/ y (- x y))))
  (log (* (* x 2.0) (/ y (- x y))))
  (log (* (* x 2.0) (/ y (- x y))))
  (log (* (* x 2.0) (/ y (- x y))))
  (log (* (* x 2.0) (/ y (- x y))))
  (exp (* (* x 2.0) (/ y (- x y))))
  (pow (* (* x 2.0) (/ y (- x y))) 3)
  (pow (* (* x 2.0) (/ y (- x y))) 3)
  (pow (* (* x 2.0) (/ y (- x y))) 3)
  (pow (* (* x 2.0) (/ y (- x y))) 3)
  (* (cbrt (* (* x 2.0) (/ y (- x y)))) (cbrt (* (* x 2.0) (/ y (- x y)))))
  (cbrt (* (* x 2.0) (/ y (- x y))))
  (pow (* (* x 2.0) (/ y (- x y))) 3)
  (sqrt (* (* x 2.0) (/ y (- x y))))
  (sqrt (* (* x 2.0) (/ y (- x y))))
  (* (* x 2.0) (* (cbrt (/ y (- x y))) (cbrt (/ y (- x y)))))
  (* (* x 2.0) (sqrt (/ y (- x y))))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) (* (cbrt (- x y)) (cbrt (- x y)))))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) (sqrt (- x y))))
  (* 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
0.322 * * * [progress]: adding candidates to table
0.376 * * [progress]: iteration 3 / 4
0.376 * * * [progress]: picking best candidate
0.379 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>
0.379 * * * [progress]: localizing error
0.385 * * * [progress]: generating rewritten candidates
0.385 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.394 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.407 * * * [progress]: generating series expansions
0.407 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.407 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.407 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.407 * [taylor]: Taking taylor expansion of 2.0 in y
0.407 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.407 * [taylor]: Taking taylor expansion of (* x y) in y
0.407 * [taylor]: Taking taylor expansion of x in y
0.407 * [taylor]: Taking taylor expansion of y in y
0.407 * [taylor]: Taking taylor expansion of (- x y) in y
0.408 * [taylor]: Taking taylor expansion of x in y
0.408 * [taylor]: Taking taylor expansion of y in y
0.408 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.408 * [taylor]: Taking taylor expansion of 2.0 in x
0.408 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.408 * [taylor]: Taking taylor expansion of (* x y) in x
0.408 * [taylor]: Taking taylor expansion of x in x
0.408 * [taylor]: Taking taylor expansion of y in x
0.408 * [taylor]: Taking taylor expansion of (- x y) in x
0.408 * [taylor]: Taking taylor expansion of x in x
0.408 * [taylor]: Taking taylor expansion of y in x
0.409 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.409 * [taylor]: Taking taylor expansion of 2.0 in x
0.409 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.409 * [taylor]: Taking taylor expansion of (* x y) in x
0.409 * [taylor]: Taking taylor expansion of x in x
0.409 * [taylor]: Taking taylor expansion of y in x
0.409 * [taylor]: Taking taylor expansion of (- x y) in x
0.409 * [taylor]: Taking taylor expansion of x in x
0.409 * [taylor]: Taking taylor expansion of y in x
0.410 * [taylor]: Taking taylor expansion of -2.0 in y
0.411 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.411 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.411 * [taylor]: Taking taylor expansion of 2.0 in y
0.411 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.411 * [taylor]: Taking taylor expansion of y in y
0.415 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.415 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.415 * [taylor]: Taking taylor expansion of 2.0 in y
0.415 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.415 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.415 * [taylor]: Taking taylor expansion of y in y
0.420 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.420 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.420 * [taylor]: Taking taylor expansion of 2.0 in y
0.420 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.420 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.420 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.420 * [taylor]: Taking taylor expansion of x in y
0.420 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.420 * [taylor]: Taking taylor expansion of y in y
0.421 * [taylor]: Taking taylor expansion of (* x y) in y
0.421 * [taylor]: Taking taylor expansion of x in y
0.421 * [taylor]: Taking taylor expansion of y in y
0.422 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.422 * [taylor]: Taking taylor expansion of 2.0 in x
0.422 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.422 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.422 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.422 * [taylor]: Taking taylor expansion of x in x
0.423 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.423 * [taylor]: Taking taylor expansion of y in x
0.423 * [taylor]: Taking taylor expansion of (* x y) in x
0.423 * [taylor]: Taking taylor expansion of x in x
0.423 * [taylor]: Taking taylor expansion of y in x
0.424 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.424 * [taylor]: Taking taylor expansion of 2.0 in x
0.424 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.424 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.424 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.424 * [taylor]: Taking taylor expansion of x in x
0.425 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.425 * [taylor]: Taking taylor expansion of y in x
0.425 * [taylor]: Taking taylor expansion of (* x y) in x
0.425 * [taylor]: Taking taylor expansion of x in x
0.425 * [taylor]: Taking taylor expansion of y in x
0.426 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.426 * [taylor]: Taking taylor expansion of 2.0 in y
0.426 * [taylor]: Taking taylor expansion of y in y
0.429 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.429 * [taylor]: Taking taylor expansion of 2.0 in y
0.429 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.429 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.429 * [taylor]: Taking taylor expansion of y in y
0.435 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.435 * [taylor]: Taking taylor expansion of 2.0 in y
0.435 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.435 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.435 * [taylor]: Taking taylor expansion of y in y
0.443 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.443 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.443 * [taylor]: Taking taylor expansion of 2.0 in y
0.443 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.443 * [taylor]: Taking taylor expansion of x in y
0.443 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.443 * [taylor]: Taking taylor expansion of y in y
0.443 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.443 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.443 * [taylor]: Taking taylor expansion of y in y
0.443 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.443 * [taylor]: Taking taylor expansion of x in y
0.445 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.445 * [taylor]: Taking taylor expansion of 2.0 in x
0.445 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.445 * [taylor]: Taking taylor expansion of x in x
0.445 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.445 * [taylor]: Taking taylor expansion of y in x
0.445 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.445 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.445 * [taylor]: Taking taylor expansion of y in x
0.445 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.445 * [taylor]: Taking taylor expansion of x in x
0.447 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.447 * [taylor]: Taking taylor expansion of 2.0 in x
0.447 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.447 * [taylor]: Taking taylor expansion of x in x
0.447 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.447 * [taylor]: Taking taylor expansion of y in x
0.447 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.447 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.447 * [taylor]: Taking taylor expansion of y in x
0.447 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.447 * [taylor]: Taking taylor expansion of x in x
0.449 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.449 * [taylor]: Taking taylor expansion of -2.0 in y
0.449 * [taylor]: Taking taylor expansion of y in y
0.452 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.452 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.452 * [taylor]: Taking taylor expansion of 2.0 in y
0.452 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.452 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.452 * [taylor]: Taking taylor expansion of y in y
0.458 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.458 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.458 * [taylor]: Taking taylor expansion of 2.0 in y
0.458 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.458 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.458 * [taylor]: Taking taylor expansion of y in y
0.466 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.466 * [approximate]: Taking taylor expansion of (/ (- x y) y) in (x y) around 0
0.466 * [taylor]: Taking taylor expansion of (/ (- x y) y) in y
0.466 * [taylor]: Taking taylor expansion of (- x y) in y
0.466 * [taylor]: Taking taylor expansion of x in y
0.466 * [taylor]: Taking taylor expansion of y in y
0.466 * [taylor]: Taking taylor expansion of y in y
0.467 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
0.467 * [taylor]: Taking taylor expansion of (- x y) in x
0.467 * [taylor]: Taking taylor expansion of x in x
0.467 * [taylor]: Taking taylor expansion of y in x
0.467 * [taylor]: Taking taylor expansion of y in x
0.467 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
0.467 * [taylor]: Taking taylor expansion of (- x y) in x
0.467 * [taylor]: Taking taylor expansion of x in x
0.467 * [taylor]: Taking taylor expansion of y in x
0.467 * [taylor]: Taking taylor expansion of y in x
0.467 * [taylor]: Taking taylor expansion of -1 in y
0.468 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.468 * [taylor]: Taking taylor expansion of y in y
0.468 * [taylor]: Taking taylor expansion of 0 in y
0.469 * [taylor]: Taking taylor expansion of 0 in y
0.471 * [taylor]: Taking taylor expansion of 0 in y
0.471 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in (x y) around 0
0.471 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.471 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.471 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.471 * [taylor]: Taking taylor expansion of x in y
0.471 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.471 * [taylor]: Taking taylor expansion of y in y
0.471 * [taylor]: Taking taylor expansion of y in y
0.471 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.471 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.471 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.471 * [taylor]: Taking taylor expansion of x in x
0.472 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.472 * [taylor]: Taking taylor expansion of y in x
0.472 * [taylor]: Taking taylor expansion of y in x
0.472 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.472 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.472 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.472 * [taylor]: Taking taylor expansion of x in x
0.472 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.472 * [taylor]: Taking taylor expansion of y in x
0.472 * [taylor]: Taking taylor expansion of y in x
0.472 * [taylor]: Taking taylor expansion of y in y
0.473 * [taylor]: Taking taylor expansion of (- 1) in y
0.473 * [taylor]: Taking taylor expansion of 1 in y
0.475 * [taylor]: Taking taylor expansion of 0 in y
0.476 * [taylor]: Taking taylor expansion of 0 in y
0.478 * [taylor]: Taking taylor expansion of 0 in y
0.479 * [approximate]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.479 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.479 * [taylor]: Taking taylor expansion of -1 in y
0.479 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.479 * [taylor]: Taking taylor expansion of y in y
0.479 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.479 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.479 * [taylor]: Taking taylor expansion of y in y
0.479 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.479 * [taylor]: Taking taylor expansion of x in y
0.479 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.479 * [taylor]: Taking taylor expansion of -1 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
0.480 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.480 * [taylor]: Taking taylor expansion of x in x
0.480 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.480 * [taylor]: Taking taylor expansion of -1 in x
0.480 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.480 * [taylor]: Taking taylor expansion of y in x
0.480 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.480 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.480 * [taylor]: Taking taylor expansion of y in x
0.480 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.480 * [taylor]: Taking taylor expansion of x in x
0.481 * [taylor]: Taking taylor expansion of y in y
0.485 * [taylor]: Taking taylor expansion of (- 1) in y
0.485 * [taylor]: Taking taylor expansion of 1 in y
0.487 * [taylor]: Taking taylor expansion of 0 in y
0.489 * [taylor]: Taking taylor expansion of 0 in y
0.492 * [taylor]: Taking taylor expansion of 0 in y
0.493 * * * [progress]: simplifying candidates
0.494 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ (log x) (log 2.0)) (- (log (- x y)) (log y)))
  (- (+ (log x) (log 2.0)) (log (/ (- x y) y)))
  (- (log (* x 2.0)) (- (log (- x y)) (log y)))
  (- (log (* x 2.0)) (log (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (exp (/ (* x 2.0) (/ (- x y) y)))
  (/ (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (/ (* (* (- x y) (- x y)) (- x y)) (* (* y y) y)))
  (/ (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* (/ (- x y) y) (/ (- x y) y)) (/ (- x y) y)))
  (/ (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (/ (* (* (- x y) (- x y)) (- x y)) (* (* y y) y)))
  (/ (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* (/ (- x y) y) (/ (- x y) y)) (/ (- x y) y)))
  (* (cbrt (/ (* x 2.0) (/ (- x y) y))) (cbrt (/ (* x 2.0) (/ (- x y) y))))
  (cbrt (/ (* x 2.0) (/ (- x y) y)))
  (* (* (/ (* x 2.0) (/ (- x y) y)) (/ (* x 2.0) (/ (- x y) y))) (/ (* x 2.0) (/ (- x y) y)))
  (sqrt (/ (* x 2.0) (/ (- x y) y)))
  (sqrt (/ (* x 2.0) (/ (- x y) y)))
  (- (* x 2.0))
  (- (/ (- x y) y))
  (/ x (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y))))
  (/ 2.0 (cbrt (/ (- x y) y)))
  (/ x (sqrt (/ (- x y) y)))
  (/ 2.0 (sqrt (/ (- x y) y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (cbrt (- x y)) (cbrt y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y)))
  (/ 2.0 (/ (cbrt (- x y)) (sqrt y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) 1))
  (/ 2.0 (/ (cbrt (- x y)) y))
  (/ x (/ (sqrt (- x y)) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (sqrt (- x y)) (cbrt y)))
  (/ x (/ (sqrt (- x y)) (sqrt y)))
  (/ 2.0 (/ (sqrt (- x y)) (sqrt y)))
  (/ x (/ (sqrt (- x y)) 1))
  (/ 2.0 (/ (sqrt (- x y)) y))
  (/ x (/ 1 (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (- x y) (cbrt y)))
  (/ x (/ 1 (sqrt y)))
  (/ 2.0 (/ (- x y) (sqrt y)))
  (/ x (/ 1 1))
  (/ 2.0 (/ (- x y) y))
  (/ x (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) (cbrt y)))
  (/ x (/ (+ (sqrt x) (sqrt y)) (sqrt y)))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) (sqrt y)))
  (/ x (/ (+ (sqrt x) (sqrt y)) 1))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) y))
  (/ x (/ 1 (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (- x y) (cbrt y)))
  (/ x (/ 1 (sqrt y)))
  (/ 2.0 (/ (- x y) (sqrt y)))
  (/ x (/ 1 1))
  (/ 2.0 (/ (- x y) y))
  (/ x 1)
  (/ 2.0 (/ (- x y) y))
  (/ x (- x y))
  (/ 2.0 (/ 1 y))
  (/ 1 (/ (- x y) y))
  (/ (/ (- x y) y) (* x 2.0))
  (/ (* x 2.0) (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y))))
  (/ (* x 2.0) (sqrt (/ (- x y) y)))
  (/ (* x 2.0) (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y)))
  (/ (* x 2.0) (/ (* (cbrt (- x y)) (cbrt (- x y))) 1))
  (/ (* x 2.0) (/ (sqrt (- x y)) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (sqrt (- x y)) (sqrt y)))
  (/ (* x 2.0) (/ (sqrt (- x y)) 1))
  (/ (* x 2.0) (/ 1 (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ 1 (sqrt y)))
  (/ (* x 2.0) (/ 1 1))
  (/ (* x 2.0) (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (+ (sqrt x) (sqrt y)) (sqrt y)))
  (/ (* x 2.0) (/ (+ (sqrt x) (sqrt y)) 1))
  (/ (* x 2.0) (/ 1 (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ 1 (sqrt y)))
  (/ (* x 2.0) (/ 1 1))
  (/ (* x 2.0) 1)
  (/ (* x 2.0) (- x y))
  (/ (/ (- x y) y) 2.0)
  (/ (* x 2.0) (- x y))
  (- (log (- x y)) (log y))
  (log (/ (- x y) y))
  (exp (/ (- x y) y))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* y y) y))
  (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y)))
  (cbrt (/ (- x y) y))
  (* (* (/ (- x y) y) (/ (- x y) y)) (/ (- x y) y))
  (sqrt (/ (- x y) y))
  (sqrt (/ (- x y) y))
  (- (- x y))
  (- y)
  (/ x y)
  (/ y y)
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (- x y)) (cbrt y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y))
  (/ (cbrt (- x y)) (sqrt y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) 1)
  (/ (cbrt (- x y)) y)
  (/ (sqrt (- x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (- x y)) (cbrt y))
  (/ (sqrt (- x y)) (sqrt y))
  (/ (sqrt (- x y)) (sqrt y))
  (/ (sqrt (- x y)) 1)
  (/ (sqrt (- x y)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x y) (sqrt y))
  (/ 1 1)
  (/ (- x y) y)
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (- (sqrt x) (sqrt y)) (cbrt y))
  (/ (+ (sqrt x) (sqrt y)) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) (sqrt y))
  (/ (+ (sqrt x) (sqrt y)) 1)
  (/ (- (sqrt x) (sqrt y)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x y) (sqrt y))
  (/ 1 1)
  (/ (- x y) y)
  (/ 1 y)
  (/ y (- x y))
  (/ (- x y) (* (cbrt y) (cbrt y)))
  (/ (- x y) (sqrt y))
  (/ (- x y) 1)
  (/ y (cbrt (- x y)))
  (/ y (sqrt (- x y)))
  (/ y (- x y))
  (/ y (- (sqrt x) (sqrt y)))
  (/ y (- x y))
  (* y (+ (* x x) (+ (* y y) (* x y))))
  (* y (+ x y))
  0
  0
  0
  (- (/ x y) 1)
  (- (/ x y) 1)
  (- (/ x y) 1)
0.500 * * [simplify]: iteration  0 :  386  enodes  (cost  605 )
0.508 * * [simplify]: iteration  1 :  1911  enodes  (cost  548 )
0.541 * * [simplify]: iteration  2 :  5001  enodes  (cost  547 )
0.544 * [simplify]: Simplified to:
   (log (/ (* x 2.0) (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (exp (/ (* x 2.0) (/ (- x y) y)))
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (* (cbrt (/ (* x 2.0) (/ (- x y) y))) (cbrt (/ (* x 2.0) (/ (- x y) y))))
  (cbrt (/ (* x 2.0) (/ (- x y) y)))
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (sqrt (/ (* x 2.0) (/ (- x y) y)))
  (sqrt (/ (* x 2.0) (/ (- x y) y)))
  (- (* x 2.0))
  (- (/ (- x y) y))
  (/ x (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y))))
  (/ 2.0 (cbrt (/ (- x y) y)))
  (/ x (sqrt (/ (- x y) y)))
  (/ 2.0 (sqrt (/ (- x y) y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (cbrt (- x y)) (cbrt y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y)))
  (/ 2.0 (/ (cbrt (- x y)) (sqrt y)))
  (/ x (* (cbrt (- x y)) (cbrt (- x y))))
  (/ 2.0 (/ (cbrt (- x y)) y))
  (/ x (/ (sqrt (- x y)) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (sqrt (- x y)) (cbrt y)))
  (/ x (/ (sqrt (- x y)) (sqrt y)))
  (/ 2.0 (/ (sqrt (- x y)) (sqrt y)))
  (/ x (sqrt (- x y)))
  (/ 2.0 (/ (sqrt (- x y)) y))
  (* x (* (cbrt y) (cbrt y)))
  (/ 2.0 (/ (- x y) (cbrt y)))
  (* x (sqrt y))
  (/ 2.0 (/ (- x y) (sqrt y)))
  x
  (/ 2.0 (/ (- x y) y))
  (/ x (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) (cbrt y)))
  (/ x (/ (+ (sqrt x) (sqrt y)) (sqrt y)))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) (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))
  (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))
  (* (+ (* y (+ x y)) (* x x)) y)
  (* y (+ x y))
  0
  0
  0
  (- (/ x y) 1)
  (- (/ x y) 1)
  (- (/ x y) 1)
0.544 * * * [progress]: adding candidates to table
0.706 * * [progress]: iteration 4 / 4
0.706 * * * [progress]: picking best candidate
0.708 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x 2.0) (- (/ x y) 1)))>
0.709 * * * [progress]: localizing error
0.715 * * * [progress]: generating rewritten candidates
0.715 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.731 * * * [progress]: generating series expansions
0.731 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.732 * [approximate]: Taking taylor expansion of (* 2.0 (/ x (- (/ x y) 1))) in (x y) around 0
0.732 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- (/ x y) 1))) in y
0.732 * [taylor]: Taking taylor expansion of 2.0 in y
0.732 * [taylor]: Taking taylor expansion of (/ x (- (/ x y) 1)) in y
0.732 * [taylor]: Taking taylor expansion of x in y
0.732 * [taylor]: Taking taylor expansion of (- (/ x y) 1) in y
0.732 * [taylor]: Taking taylor expansion of (/ x y) in y
0.732 * [taylor]: Taking taylor expansion of x in y
0.732 * [taylor]: Taking taylor expansion of y in y
0.732 * [taylor]: Taking taylor expansion of 1 in y
0.732 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- (/ x y) 1))) in x
0.732 * [taylor]: Taking taylor expansion of 2.0 in x
0.732 * [taylor]: Taking taylor expansion of (/ x (- (/ x y) 1)) in x
0.732 * [taylor]: Taking taylor expansion of x in x
0.732 * [taylor]: Taking taylor expansion of (- (/ x y) 1) in x
0.732 * [taylor]: Taking taylor expansion of (/ x y) in x
0.732 * [taylor]: Taking taylor expansion of x in x
0.732 * [taylor]: Taking taylor expansion of y in x
0.732 * [taylor]: Taking taylor expansion of 1 in x
0.733 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- (/ x y) 1))) in x
0.733 * [taylor]: Taking taylor expansion of 2.0 in x
0.733 * [taylor]: Taking taylor expansion of (/ x (- (/ x y) 1)) in x
0.733 * [taylor]: Taking taylor expansion of x in x
0.733 * [taylor]: Taking taylor expansion of (- (/ x y) 1) in x
0.733 * [taylor]: Taking taylor expansion of (/ x y) in x
0.733 * [taylor]: Taking taylor expansion of x in x
0.733 * [taylor]: Taking taylor expansion of y in x
0.733 * [taylor]: Taking taylor expansion of 1 in x
0.734 * [taylor]: Taking taylor expansion of -2.0 in y
0.735 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.735 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.735 * [taylor]: Taking taylor expansion of 2.0 in y
0.735 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.735 * [taylor]: Taking taylor expansion of y in y
0.739 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.739 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.739 * [taylor]: Taking taylor expansion of 2.0 in y
0.739 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.739 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.739 * [taylor]: Taking taylor expansion of y in y
0.745 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (- (/ y x) 1))) in (x y) around 0
0.745 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (- (/ y x) 1))) in y
0.745 * [taylor]: Taking taylor expansion of 2.0 in y
0.745 * [taylor]: Taking taylor expansion of (* x (- (/ y x) 1)) in y
0.745 * [taylor]: Taking taylor expansion of x in y
0.745 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in y
0.745 * [taylor]: Taking taylor expansion of (/ y x) in y
0.745 * [taylor]: Taking taylor expansion of y in y
0.745 * [taylor]: Taking taylor expansion of x in y
0.745 * [taylor]: Taking taylor expansion of 1 in y
0.746 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (- (/ y x) 1))) in x
0.746 * [taylor]: Taking taylor expansion of 2.0 in x
0.746 * [taylor]: Taking taylor expansion of (* x (- (/ y x) 1)) in x
0.746 * [taylor]: Taking taylor expansion of x in x
0.746 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in x
0.746 * [taylor]: Taking taylor expansion of (/ y x) in x
0.746 * [taylor]: Taking taylor expansion of y in x
0.746 * [taylor]: Taking taylor expansion of x in x
0.746 * [taylor]: Taking taylor expansion of 1 in x
0.747 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (- (/ y x) 1))) in x
0.747 * [taylor]: Taking taylor expansion of 2.0 in x
0.747 * [taylor]: Taking taylor expansion of (* x (- (/ y x) 1)) in x
0.747 * [taylor]: Taking taylor expansion of x in x
0.747 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in x
0.747 * [taylor]: Taking taylor expansion of (/ y x) in x
0.747 * [taylor]: Taking taylor expansion of y in x
0.747 * [taylor]: Taking taylor expansion of x in x
0.747 * [taylor]: Taking taylor expansion of 1 in x
0.749 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.749 * [taylor]: Taking taylor expansion of 2.0 in y
0.749 * [taylor]: Taking taylor expansion of y in y
0.754 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.754 * [taylor]: Taking taylor expansion of 2.0 in y
0.754 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.754 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.754 * [taylor]: Taking taylor expansion of y in y
0.760 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.760 * [taylor]: Taking taylor expansion of 2.0 in y
0.760 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.760 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.760 * [taylor]: Taking taylor expansion of y in y
0.768 * [approximate]: Taking taylor expansion of (/ -2.0 (* x (- (/ y x) 1))) in (x y) around 0
0.768 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ y x) 1))) in y
0.768 * [taylor]: Taking taylor expansion of -2.0 in y
0.768 * [taylor]: Taking taylor expansion of (* x (- (/ y x) 1)) in y
0.768 * [taylor]: Taking taylor expansion of x in y
0.768 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in y
0.768 * [taylor]: Taking taylor expansion of (/ y x) in y
0.768 * [taylor]: Taking taylor expansion of y in y
0.768 * [taylor]: Taking taylor expansion of x in y
0.768 * [taylor]: Taking taylor expansion of 1 in y
0.768 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ y x) 1))) in x
0.768 * [taylor]: Taking taylor expansion of -2.0 in x
0.768 * [taylor]: Taking taylor expansion of (* x (- (/ y x) 1)) in x
0.768 * [taylor]: Taking taylor expansion of x in x
0.768 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in x
0.769 * [taylor]: Taking taylor expansion of (/ y x) in x
0.769 * [taylor]: Taking taylor expansion of y in x
0.769 * [taylor]: Taking taylor expansion of x in x
0.769 * [taylor]: Taking taylor expansion of 1 in x
0.770 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ y x) 1))) in x
0.770 * [taylor]: Taking taylor expansion of -2.0 in x
0.770 * [taylor]: Taking taylor expansion of (* x (- (/ y x) 1)) in x
0.770 * [taylor]: Taking taylor expansion of x in x
0.770 * [taylor]: Taking taylor expansion of (- (/ y x) 1) in x
0.770 * [taylor]: Taking taylor expansion of (/ y x) in x
0.770 * [taylor]: Taking taylor expansion of y in x
0.770 * [taylor]: Taking taylor expansion of x in x
0.770 * [taylor]: Taking taylor expansion of 1 in x
0.772 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.772 * [taylor]: Taking taylor expansion of -2.0 in y
0.772 * [taylor]: Taking taylor expansion of y in y
0.774 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.775 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.775 * [taylor]: Taking taylor expansion of 2.0 in y
0.775 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.775 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.775 * [taylor]: Taking taylor expansion of y in y
0.781 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.781 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.781 * [taylor]: Taking taylor expansion of 2.0 in y
0.781 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.781 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.781 * [taylor]: Taking taylor expansion of y in y
0.789 * * * [progress]: simplifying candidates
0.790 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ (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
0.794 * * [simplify]: iteration  0 :  201  enodes  (cost  249 )
0.798 * * [simplify]: iteration  1 :  850  enodes  (cost  216 )
0.812 * * [simplify]: iteration  2 :  3876  enodes  (cost  216 )
0.861 * * [simplify]: iteration  3 :  5001  enodes  (cost  216 )
0.862 * [simplify]: Simplified to:
   (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
0.862 * * * [progress]: adding candidates to table
0.917 * [progress]: [Phase 3 of 3] Extracting.
0.917 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (* x 2.0) (- (/ x y) 1)))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>)
0.917 * * * [regime-changes]: Trying 2 branch expressions: (y x)
0.917 * * * * [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))>)
0.937 * * * * [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))>)
0.954 * * * [regime]: Found split indices: #<option (#s(si 1 51) #s(si 0 183) #s(si 1 255))>
0.955 * [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))>)
1.009 * [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))>)
1.009 * [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)))
1.009 * * [simplify]: iteration  0 :  24  enodes  (cost  8 )
1.010 * * [simplify]: iteration  1 :  24  enodes  (cost  8 )
1.010 * [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)))
1.380 * [regime-testing]: Baseline error score: 7.572865568658408
1.380 * [regime-testing]: Oracle error score: 0.03675459432429053
1.381 * [regime-testing]: End program error score: 0.4649505256697027
1.402 * [regime-testing]: Target error score: 0.3376650277131435