39.736 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.056 * * * [progress]: [2/2] Setting up program.
0.059 * [progress]: [Phase 2 of 3] Improving.
0.059 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ x y) x)
0.061 * * [simplify]: iteration  0 :  12  enodes  (cost  5 )
0.061 * * [simplify]: iteration  1 :  12  enodes  (cost  5 )
0.062 * [simplify]: Simplified to:
   (+ x (+ x y))
0.065 * * [progress]: iteration 1 / 4
0.065 * * * [progress]: picking best candidate
0.067 * * * * [pick]: Picked  #<alt (λ (x y) (+ (+ x y) x))>
0.067 * * * [progress]: localizing error
0.070 * * * [progress]: generating rewritten candidates
0.070 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.076 * * * [progress]: generating series expansions
0.076 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.076 * [approximate]: Taking taylor expansion of (+ (* 2 x) y) in (x y) around 0
0.076 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in y
0.076 * [taylor]: Taking taylor expansion of (* 2 x) in y
0.076 * [taylor]: Taking taylor expansion of 2 in y
0.076 * [taylor]: Taking taylor expansion of x in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.076 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.076 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.076 * [taylor]: Taking taylor expansion of 2 in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.076 * [taylor]: Taking taylor expansion of y in x
0.076 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.076 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.076 * [taylor]: Taking taylor expansion of 2 in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.076 * [taylor]: Taking taylor expansion of y in x
0.076 * [taylor]: Taking taylor expansion of y in y
0.076 * [taylor]: Taking taylor expansion of 2 in y
0.076 * [taylor]: Taking taylor expansion of 0 in y
0.076 * [taylor]: Taking taylor expansion of 0 in y
0.077 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in (x y) around 0
0.077 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.077 * [taylor]: Taking taylor expansion of y in y
0.077 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.077 * [taylor]: Taking taylor expansion of 2 in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.077 * [taylor]: Taking taylor expansion of x in y
0.077 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.077 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.077 * [taylor]: Taking taylor expansion of y in x
0.077 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.077 * [taylor]: Taking taylor expansion of 2 in x
0.077 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.077 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.077 * [taylor]: Taking taylor expansion of y in x
0.077 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.077 * [taylor]: Taking taylor expansion of 2 in x
0.077 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [taylor]: Taking taylor expansion of 2 in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.077 * [taylor]: Taking taylor expansion of y in y
0.077 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [approximate]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in (x y) around 0
0.078 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in y
0.078 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 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 (* 2 (/ 1 x)) in y
0.078 * [taylor]: Taking taylor expansion of 2 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 (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.078 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.078 * [taylor]: Taking taylor expansion of y in x
0.078 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.078 * [taylor]: Taking taylor expansion of 2 in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.078 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.078 * [taylor]: Taking taylor expansion of y in x
0.078 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.079 * [taylor]: Taking taylor expansion of 2 in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of (neg 2) in y
0.079 * [taylor]: Taking taylor expansion of 2 in y
0.079 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.079 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.079 * [taylor]: Taking taylor expansion of y in y
0.079 * [taylor]: Taking taylor expansion of 0 in y
0.079 * [taylor]: Taking taylor expansion of 0 in y
0.079 * [taylor]: Taking taylor expansion of 0 in y
0.082 * * * [progress]: simplifying candidates
0.082 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* (exp x) (exp y)) (exp x))
  (* (exp (+ x y)) (exp x))
  (log (+ (+ x y) x))
  (exp (+ (+ x y) x))
  (* (cbrt (+ (+ x y) x)) (cbrt (+ (+ x y) x)))
  (cbrt (+ (+ x y) x))
  (* (* (+ (+ x y) x) (+ (+ x y) x)) (+ (+ x y) x))
  (sqrt (+ (+ x y) x))
  (sqrt (+ (+ x y) x))
  (+ (pow (+ x y) 3) (pow x 3))
  (+ (* (+ x y) (+ x y)) (- (* x x) (* (+ x y) x)))
  (- (* (+ x y) (+ x y)) (* x x))
  (- (+ x y) x)
  (+ (+ x y) x)
  (+ (+ x y) x)
  (+ y x)
  (+ (* 2 x) y)
  (+ (* 2 x) y)
  (+ (* 2 x) y)
0.124 * * [simplify]: iteration  0 :  4889  enodes  (cost  116 )
0.124 * * [simplify]: iteration  1 :  4889  enodes  (cost  116 )
0.125 * [simplify]: Simplified to:
   (exp (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (log (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (* (cbrt (+ x (+ x y))) (cbrt (+ x (+ x y))))
  (cbrt (+ x (+ x y)))
  (pow (+ x (+ x y)) 3)
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (+ (pow (+ x y) 3) (pow x 3))
  (+ (* x x) (* y (+ x y)))
  (* y (+ x (+ x y)))
  y
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x y)
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x (+ x y))
0.125 * * * [progress]: adding candidates to table
0.139 * * [progress]: iteration 2 / 4
0.139 * * * [progress]: picking best candidate
0.142 * * * * [pick]: Picked  #<alt (λ (x y) (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y)))))>
0.142 * * * [progress]: localizing error
0.147 * * * [progress]: generating rewritten candidates
0.147 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.161 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 1)
0.167 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1 1)
0.175 * * * [progress]: generating series expansions
0.175 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.176 * [approximate]: Taking taylor expansion of (+ (* 2 x) y) in (x y) around 0
0.176 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in y
0.176 * [taylor]: Taking taylor expansion of (* 2 x) in y
0.176 * [taylor]: Taking taylor expansion of 2 in y
0.176 * [taylor]: Taking taylor expansion of x in y
0.176 * [taylor]: Taking taylor expansion of y in y
0.176 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.176 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.176 * [taylor]: Taking taylor expansion of 2 in x
0.176 * [taylor]: Taking taylor expansion of x in x
0.176 * [taylor]: Taking taylor expansion of y in x
0.176 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.176 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.176 * [taylor]: Taking taylor expansion of 2 in x
0.176 * [taylor]: Taking taylor expansion of x in x
0.176 * [taylor]: Taking taylor expansion of y in x
0.176 * [taylor]: Taking taylor expansion of y in y
0.176 * [taylor]: Taking taylor expansion of 2 in y
0.176 * [taylor]: Taking taylor expansion of 0 in y
0.176 * [taylor]: Taking taylor expansion of 0 in y
0.176 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in (x y) around 0
0.176 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in y
0.177 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.177 * [taylor]: Taking taylor expansion of y in y
0.177 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.177 * [taylor]: Taking taylor expansion of 2 in y
0.177 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.177 * [taylor]: Taking taylor expansion of x in y
0.177 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.177 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.177 * [taylor]: Taking taylor expansion of y in x
0.177 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.177 * [taylor]: Taking taylor expansion of 2 in x
0.177 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.177 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.177 * [taylor]: Taking taylor expansion of y in x
0.177 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.177 * [taylor]: Taking taylor expansion of 2 in x
0.177 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of 2 in y
0.177 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.177 * [taylor]: Taking taylor expansion of y in y
0.177 * [taylor]: Taking taylor expansion of 0 in y
0.177 * [taylor]: Taking taylor expansion of 0 in y
0.178 * [taylor]: Taking taylor expansion of 0 in y
0.178 * [approximate]: Taking taylor expansion of (pow (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) 2) in (x y) around 0
0.178 * [taylor]: Taking taylor expansion of (pow (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) 2) in y
0.178 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) in y
0.178 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in y
0.178 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in y
0.178 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.178 * [taylor]: Taking taylor expansion of y in y
0.178 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.178 * [taylor]: Taking taylor expansion of 2 in y
0.178 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.178 * [taylor]: Taking taylor expansion of x in y
0.178 * [taylor]: Taking taylor expansion of (pow (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) 2) in x
0.178 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) in x
0.178 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.178 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.178 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.178 * [taylor]: Taking taylor expansion of y in x
0.178 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.178 * [taylor]: Taking taylor expansion of 2 in x
0.178 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.178 * [taylor]: Taking taylor expansion of x in x
0.178 * [taylor]: Taking taylor expansion of (pow (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) 2) in x
0.178 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) in x
0.178 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.179 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.179 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.179 * [taylor]: Taking taylor expansion of y in x
0.179 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.179 * [taylor]: Taking taylor expansion of 2 in x
0.179 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.179 * [taylor]: Taking taylor expansion of x in x
0.179 * [taylor]: Taking taylor expansion of (pow NAN 2) in y
0.179 * [taylor]: Taking taylor expansion of NAN in y
0.179 * [taylor]: Taking taylor expansion of (+ (* 2 (/ (pow NAN 2) y)) (* 2 (pow NAN 4))) in y
0.179 * [taylor]: Taking taylor expansion of (* 2 (/ (pow NAN 2) y)) in y
0.179 * [taylor]: Taking taylor expansion of 2 in y
0.179 * [taylor]: Taking taylor expansion of (/ (pow NAN 2) y) in y
0.179 * [taylor]: Taking taylor expansion of (pow NAN 2) in y
0.179 * [taylor]: Taking taylor expansion of NAN in y
0.179 * [taylor]: Taking taylor expansion of y in y
0.179 * [taylor]: Taking taylor expansion of (* 2 (pow NAN 4)) in y
0.179 * [taylor]: Taking taylor expansion of 2 in y
0.179 * [taylor]: Taking taylor expansion of (pow NAN 4) in y
0.180 * [taylor]: Taking taylor expansion of NAN in y
0.181 * [taylor]: Taking taylor expansion of (+ (* 5 (pow NAN 6)) (+ (* 6 (/ (pow NAN 4) y)) (/ (pow NAN 2) (pow y 2)))) in y
0.181 * [taylor]: Taking taylor expansion of (* 5 (pow NAN 6)) in y
0.181 * [taylor]: Taking taylor expansion of 5 in y
0.181 * [taylor]: Taking taylor expansion of (pow NAN 6) in y
0.181 * [taylor]: Taking taylor expansion of NAN in y
0.181 * [taylor]: Taking taylor expansion of (+ (* 6 (/ (pow NAN 4) y)) (/ (pow NAN 2) (pow y 2))) in y
0.181 * [taylor]: Taking taylor expansion of (* 6 (/ (pow NAN 4) y)) in y
0.181 * [taylor]: Taking taylor expansion of 6 in y
0.181 * [taylor]: Taking taylor expansion of (/ (pow NAN 4) y) in y
0.181 * [taylor]: Taking taylor expansion of (pow NAN 4) in y
0.181 * [taylor]: Taking taylor expansion of NAN in y
0.181 * [taylor]: Taking taylor expansion of y in y
0.181 * [taylor]: Taking taylor expansion of (/ (pow NAN 2) (pow y 2)) in y
0.181 * [taylor]: Taking taylor expansion of (pow NAN 2) in y
0.181 * [taylor]: Taking taylor expansion of NAN in y
0.181 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.181 * [taylor]: Taking taylor expansion of y in y
0.183 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 1)
0.183 * [approximate]: Taking taylor expansion of (+ (* 2 x) y) in (x y) around 0
0.183 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in y
0.183 * [taylor]: Taking taylor expansion of (* 2 x) in y
0.183 * [taylor]: Taking taylor expansion of 2 in y
0.183 * [taylor]: Taking taylor expansion of x in y
0.183 * [taylor]: Taking taylor expansion of y in y
0.183 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.183 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.183 * [taylor]: Taking taylor expansion of 2 in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of y in x
0.183 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.183 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.183 * [taylor]: Taking taylor expansion of 2 in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of y in x
0.183 * [taylor]: Taking taylor expansion of y in y
0.183 * [taylor]: Taking taylor expansion of 2 in y
0.183 * [taylor]: Taking taylor expansion of 0 in y
0.183 * [taylor]: Taking taylor expansion of 0 in y
0.183 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in (x y) around 0
0.183 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in y
0.183 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.183 * [taylor]: Taking taylor expansion of y in y
0.183 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.183 * [taylor]: Taking taylor expansion of 2 in y
0.183 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.183 * [taylor]: Taking taylor expansion of x in y
0.183 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.183 * [taylor]: Taking taylor expansion of y in x
0.183 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.184 * [taylor]: Taking taylor expansion of 2 in x
0.184 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.184 * [taylor]: Taking taylor expansion of x in x
0.184 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.184 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.184 * [taylor]: Taking taylor expansion of y in x
0.184 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.184 * [taylor]: Taking taylor expansion of 2 in x
0.184 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.184 * [taylor]: Taking taylor expansion of x in x
0.184 * [taylor]: Taking taylor expansion of 2 in y
0.184 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.184 * [taylor]: Taking taylor expansion of y in y
0.184 * [taylor]: Taking taylor expansion of 0 in y
0.184 * [taylor]: Taking taylor expansion of 0 in y
0.184 * [taylor]: Taking taylor expansion of 0 in y
0.185 * [approximate]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in (x y) around 0
0.185 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in y
0.185 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in y
0.185 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.185 * [taylor]: Taking taylor expansion of y in y
0.185 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.185 * [taylor]: Taking taylor expansion of 2 in y
0.185 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.185 * [taylor]: Taking taylor expansion of x in y
0.185 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.185 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.185 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.185 * [taylor]: Taking taylor expansion of y in x
0.185 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.185 * [taylor]: Taking taylor expansion of 2 in x
0.185 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.185 * [taylor]: Taking taylor expansion of x in x
0.185 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.185 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.185 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.185 * [taylor]: Taking taylor expansion of y in x
0.185 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.185 * [taylor]: Taking taylor expansion of 2 in x
0.185 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.185 * [taylor]: Taking taylor expansion of x in x
0.185 * [taylor]: Taking taylor expansion of (neg 2) in y
0.185 * [taylor]: Taking taylor expansion of 2 in y
0.185 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.185 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.185 * [taylor]: Taking taylor expansion of y in y
0.186 * [taylor]: Taking taylor expansion of 0 in y
0.186 * [taylor]: Taking taylor expansion of 0 in y
0.186 * [taylor]: Taking taylor expansion of 0 in y
0.186 * * * * [progress]: [ 3 / 3 ] generating series at (2 1 1)
0.186 * [approximate]: Taking taylor expansion of (+ (* 2 x) y) in (x y) around 0
0.186 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in y
0.186 * [taylor]: Taking taylor expansion of (* 2 x) in y
0.186 * [taylor]: Taking taylor expansion of 2 in y
0.186 * [taylor]: Taking taylor expansion of x in y
0.186 * [taylor]: Taking taylor expansion of y in y
0.186 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.186 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.186 * [taylor]: Taking taylor expansion of 2 in x
0.186 * [taylor]: Taking taylor expansion of x in x
0.186 * [taylor]: Taking taylor expansion of y in x
0.186 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.186 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.186 * [taylor]: Taking taylor expansion of 2 in x
0.186 * [taylor]: Taking taylor expansion of x in x
0.186 * [taylor]: Taking taylor expansion of y in x
0.186 * [taylor]: Taking taylor expansion of y in y
0.187 * [taylor]: Taking taylor expansion of 2 in y
0.187 * [taylor]: Taking taylor expansion of 0 in y
0.187 * [taylor]: Taking taylor expansion of 0 in y
0.187 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in (x y) around 0
0.187 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in y
0.187 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.187 * [taylor]: Taking taylor expansion of y in y
0.187 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.187 * [taylor]: Taking taylor expansion of 2 in y
0.187 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.187 * [taylor]: Taking taylor expansion of x in y
0.187 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.187 * [taylor]: Taking taylor expansion of y in x
0.187 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.187 * [taylor]: Taking taylor expansion of 2 in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.187 * [taylor]: Taking taylor expansion of y in x
0.187 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.187 * [taylor]: Taking taylor expansion of 2 in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of 2 in y
0.187 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.187 * [taylor]: Taking taylor expansion of y in y
0.188 * [taylor]: Taking taylor expansion of 0 in y
0.188 * [taylor]: Taking taylor expansion of 0 in y
0.188 * [taylor]: Taking taylor expansion of 0 in y
0.188 * [approximate]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in (x y) around 0
0.188 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in y
0.188 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in y
0.188 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.188 * [taylor]: Taking taylor expansion of y in y
0.188 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.188 * [taylor]: Taking taylor expansion of 2 in y
0.188 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.188 * [taylor]: Taking taylor expansion of x in y
0.188 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.188 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.188 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.188 * [taylor]: Taking taylor expansion of y in x
0.188 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.188 * [taylor]: Taking taylor expansion of 2 in x
0.188 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.189 * [taylor]: Taking taylor expansion of x in x
0.189 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.189 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.189 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.189 * [taylor]: Taking taylor expansion of y in x
0.189 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.189 * [taylor]: Taking taylor expansion of 2 in x
0.189 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.189 * [taylor]: Taking taylor expansion of x in x
0.189 * [taylor]: Taking taylor expansion of (neg 2) in y
0.189 * [taylor]: Taking taylor expansion of 2 in y
0.189 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.189 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.189 * [taylor]: Taking taylor expansion of y in y
0.189 * [taylor]: Taking taylor expansion of 0 in y
0.189 * [taylor]: Taking taylor expansion of 0 in y
0.190 * [taylor]: Taking taylor expansion of 0 in y
0.190 * * * [progress]: simplifying candidates
0.191 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ 1/2 1/2)
  (+ 1/2 (/ 1 2))
  (+ 1 1)
  (+ (/ 1 2) 1/2)
  (+ (/ 1 2) (/ 1 2))
  (* (+ x (+ x y)) (+ x (+ x y)))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (+ x (+ x y)) (+ x (+ x y)))
  (+ 1 1)
  (+ (log (sqrt (+ x (+ x y)))) (log (sqrt (+ x (+ x y)))))
  (log (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y)))))
  (exp (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y)))))
  (* (* (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y)))) (sqrt (+ x (+ x y)))) (* (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y)))) (sqrt (+ x (+ x y)))))
  (* (cbrt (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))) (cbrt (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))))
  (cbrt (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y)))))
  (* (* (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y)))) (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))) (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y)))))
  (* (+ x (+ x y)) (+ x (+ x y)))
  (sqrt (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y)))))
  (sqrt (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y)))))
  (* (sqrt (+ (pow x 3) (pow (+ x y) 3))) (sqrt (+ (pow x 3) (pow (+ x y) 3))))
  (* (sqrt (+ (* x x) (- (* (+ x y) (+ x y)) (* x (+ x y))))) (sqrt (+ (* x x) (- (* (+ x y) (+ x y)) (* x (+ x y))))))
  (* (sqrt (+ (pow x 3) (pow (+ x y) 3))) (sqrt (- (* x x) (* (+ x y) (+ x y)))))
  (* (sqrt (+ (* x x) (- (* (+ x y) (+ x y)) (* x (+ x y))))) (sqrt (- x (+ x y))))
  (* (sqrt (- (* x x) (* (+ x y) (+ x y)))) (sqrt (+ (pow x 3) (pow (+ x y) 3))))
  (* (sqrt (- x (+ x y))) (sqrt (+ (* x x) (- (* (+ x y) (+ x y)) (* x (+ x y))))))
  (* (sqrt (- (* x x) (* (+ x y) (+ x y)))) (sqrt (- (* x x) (* (+ x y) (+ x y)))))
  (* (sqrt (- x (+ x y))) (sqrt (- x (+ x y))))
  (* (* (cbrt (sqrt (+ x (+ x y)))) (cbrt (sqrt (+ x (+ x y))))) (* (cbrt (sqrt (+ x (+ x y)))) (cbrt (sqrt (+ x (+ x y))))))
  (* (cbrt (sqrt (+ x (+ x y)))) (cbrt (sqrt (+ x (+ x y)))))
  (* (sqrt (* (cbrt (+ x (+ x y))) (cbrt (+ x (+ x y))))) (sqrt (* (cbrt (+ x (+ x y))) (cbrt (+ x (+ x y))))))
  (* (sqrt (cbrt (+ x (+ x y)))) (sqrt (cbrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* 1 1)
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ x (+ x y)))))
  (* 2 1/2)
  (* 2 1)
  (* 2 (/ 1 2))
  (* (sqrt (+ x (+ x y))) (* (cbrt (sqrt (+ x (+ x y)))) (cbrt (sqrt (+ x (+ x y))))))
  (* (sqrt (+ x (+ x y))) (sqrt (* (cbrt (+ x (+ x y))) (cbrt (+ x (+ x y))))))
  (* (sqrt (+ x (+ x y))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (+ x (+ x y))) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt (sqrt (+ x (+ x y)))))
  (* (sqrt (+ x (+ x y))) 1)
  (* (cbrt (sqrt (+ x (+ x y)))) (sqrt (+ x (+ x y))))
  (* (sqrt (cbrt (+ x (+ x y)))) (sqrt (+ x (+ x y))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (+ x (+ x y))))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (+ x (+ x y))))
  (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y))))
  (* (sqrt (+ x (+ x y))) (sqrt (+ (pow x 3) (pow (+ x y) 3))))
  (* (sqrt (+ x (+ x y))) (sqrt (- (* x x) (* (+ x y) (+ x y)))))
  (* (sqrt (+ (pow x 3) (pow (+ x y) 3))) (sqrt (+ x (+ x y))))
  (* (sqrt (- (* x x) (* (+ x y) (+ x y)))) (sqrt (+ x (+ x y))))
  (* (exp x) (* (exp x) (exp y)))
  (* (exp x) (exp (+ x y)))
  (log (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (* (cbrt (+ x (+ x y))) (cbrt (+ x (+ x y))))
  (cbrt (+ x (+ x y)))
  (* (* (+ x (+ x y)) (+ x (+ x y))) (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (+ (pow x 3) (pow (+ x y) 3))
  (+ (* x x) (- (* (+ x y) (+ x y)) (* x (+ x y))))
  (- (* x x) (* (+ x y) (+ x y)))
  (- x (+ x y))
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x x)
  (* (exp x) (* (exp x) (exp y)))
  (* (exp x) (exp (+ x y)))
  (log (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (* (cbrt (+ x (+ x y))) (cbrt (+ x (+ x y))))
  (cbrt (+ x (+ x y)))
  (* (* (+ x (+ x y)) (+ x (+ x y))) (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (+ (pow x 3) (pow (+ x y) 3))
  (+ (* x x) (- (* (+ x y) (+ x y)) (* x (+ x y))))
  (- (* x x) (* (+ x y) (+ x y)))
  (- x (+ x y))
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x x)
  (+ (* 2 x) y)
  (+ (* 2 x) y)
  (- (+ (* 5 (/ (pow NAN 6) (pow x 2))) (pow NAN 2)) (* 2 (/ (pow NAN 4) x)))
  (+ (* 2 x) y)
  (+ (* 2 x) y)
  (+ (* 2 x) y)
  (+ (* 2 x) y)
  (+ (* 2 x) y)
  (+ (* 2 x) y)
0.239 * * [simplify]: iteration  0 :  5025  enodes  (cost  828 )
0.243 * [simplify]: Simplified to:
   1
  1
  2
  1
  1
  (pow (sqrt (+ x (+ x y))) 4)
  (+ x (+ x y))
  (pow (sqrt (+ x (+ x y))) 4)
  2
  (log (+ x (+ x y)))
  (log (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (pow (+ x (+ x y)) 3)
  (pow (cbrt (sqrt (+ x (+ x y)))) 4)
  (cbrt (+ x (+ x y)))
  (pow (+ x (+ x y)) 3)
  (pow (sqrt (+ x (+ x y))) 4)
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (+ (pow x 3) (pow (+ x y) 3))
  (+ (* x x) (* y (+ x y)))
  (* (sqrt (+ (pow x 3) (pow (+ x y) 3))) (sqrt (* y (neg (+ x (+ x y))))))
  (* (sqrt (+ (* x x) (* y (+ x y)))) (sqrt (neg y)))
  (* (sqrt (+ (pow x 3) (pow (+ x y) 3))) (sqrt (* y (neg (+ x (+ x y))))))
  (* (sqrt (+ (* x x) (* y (+ x y)))) (sqrt (neg y)))
  (* y (neg (+ x (+ x y))))
  (neg y)
  (pow (cbrt (sqrt (+ x (+ x y)))) 4)
  (cbrt (+ x (+ x y)))
  (pow (cbrt (sqrt (+ x (+ x y)))) 4)
  (cbrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  1
  (+ x (+ x y))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  1
  2
  1
  (pow (cbrt (sqrt (+ x (+ x y)))) 5)
  (* (sqrt (+ x (+ x y))) (fabs (cbrt (+ x (+ x y)))))
  (pow (sqrt (sqrt (+ x (+ x y)))) 3)
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (pow (sqrt (sqrt (+ x (+ x y)))) 3)
  (sqrt (+ x (+ x y)))
  (pow (cbrt (sqrt (+ x (+ x y)))) 4)
  (* (sqrt (+ x (+ x y))) (sqrt (cbrt (+ x (+ x y)))))
  (pow (sqrt (sqrt (+ x (+ x y)))) 3)
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x (+ x y))
  (pow (sqrt (sqrt (+ x (+ x y)))) 3)
  (+ x (+ x y))
  (* (sqrt (+ x (+ x y))) (sqrt (+ (pow x 3) (pow (+ x y) 3))))
  (* (sqrt (+ x (+ x y))) (sqrt (* y (neg (+ x (+ x y))))))
  (* (sqrt (+ x (+ x y))) (sqrt (+ (pow x 3) (pow (+ x y) 3))))
  (* (sqrt (+ x (+ x y))) (sqrt (* y (neg (+ x (+ x y))))))
  (exp (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (log (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (pow (cbrt (sqrt (+ x (+ x y)))) 4)
  (cbrt (+ x (+ x y)))
  (pow (+ x (+ x y)) 3)
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (+ (pow x 3) (pow (+ x y) 3))
  (+ (* x x) (* y (+ x y)))
  (* y (neg (+ x (+ x y))))
  (neg y)
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x x)
  (exp (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (log (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (pow (cbrt (sqrt (+ x (+ x y)))) 4)
  (cbrt (+ x (+ x y)))
  (pow (+ x (+ x y)) 3)
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (+ (pow x 3) (pow (+ x y) 3))
  (+ (* x x) (* y (+ x y)))
  (* y (neg (+ x (+ x y))))
  (neg y)
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x x)
  (+ x (+ x y))
  (+ x (+ x y))
  (+ (* NAN NAN) (* (/ (pow NAN 4) x) (- (/ 5 (/ x (* NAN NAN))) 2)))
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x (+ x y))
0.247 * * * [progress]: adding candidates to table
0.306 * * [progress]: iteration 3 / 4
0.306 * * * [progress]: picking best candidate
0.311 * * * * [pick]: Picked  #<alt (λ (x y) (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y))))>
0.311 * * * [progress]: localizing error
0.320 * * * [progress]: generating rewritten candidates
0.320 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.336 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 1)
0.343 * * * [progress]: generating series expansions
0.343 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.343 * [approximate]: Taking taylor expansion of (+ (* 2 x) y) in (x y) around 0
0.343 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in y
0.343 * [taylor]: Taking taylor expansion of (* 2 x) in y
0.343 * [taylor]: Taking taylor expansion of 2 in y
0.343 * [taylor]: Taking taylor expansion of x in y
0.343 * [taylor]: Taking taylor expansion of y in y
0.343 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.344 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.344 * [taylor]: Taking taylor expansion of 2 in x
0.344 * [taylor]: Taking taylor expansion of x in x
0.344 * [taylor]: Taking taylor expansion of y in x
0.344 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.344 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.344 * [taylor]: Taking taylor expansion of 2 in x
0.344 * [taylor]: Taking taylor expansion of x in x
0.344 * [taylor]: Taking taylor expansion of y in x
0.344 * [taylor]: Taking taylor expansion of y in y
0.344 * [taylor]: Taking taylor expansion of 2 in y
0.344 * [taylor]: Taking taylor expansion of 0 in y
0.344 * [taylor]: Taking taylor expansion of 0 in y
0.344 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in (x y) around 0
0.344 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in y
0.344 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.344 * [taylor]: Taking taylor expansion of y in y
0.344 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.344 * [taylor]: Taking taylor expansion of 2 in y
0.344 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.344 * [taylor]: Taking taylor expansion of x in y
0.344 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.344 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.344 * [taylor]: Taking taylor expansion of y in x
0.344 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.344 * [taylor]: Taking taylor expansion of 2 in x
0.344 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.344 * [taylor]: Taking taylor expansion of x in x
0.345 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.345 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.345 * [taylor]: Taking taylor expansion of y in x
0.345 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.345 * [taylor]: Taking taylor expansion of 2 in x
0.345 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.345 * [taylor]: Taking taylor expansion of x in x
0.345 * [taylor]: Taking taylor expansion of 2 in y
0.345 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.345 * [taylor]: Taking taylor expansion of y in y
0.345 * [taylor]: Taking taylor expansion of 0 in y
0.345 * [taylor]: Taking taylor expansion of 0 in y
0.345 * [taylor]: Taking taylor expansion of 0 in y
0.346 * [approximate]: Taking taylor expansion of (pow (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) 2) in (x y) around 0
0.346 * [taylor]: Taking taylor expansion of (pow (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) 2) in y
0.346 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) in y
0.346 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in y
0.346 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in y
0.346 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.346 * [taylor]: Taking taylor expansion of y in y
0.346 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.346 * [taylor]: Taking taylor expansion of 2 in y
0.346 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.346 * [taylor]: Taking taylor expansion of x in y
0.346 * [taylor]: Taking taylor expansion of (pow (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) 2) in x
0.346 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) in x
0.346 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.346 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.346 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.346 * [taylor]: Taking taylor expansion of y in x
0.346 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.346 * [taylor]: Taking taylor expansion of 2 in x
0.346 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.346 * [taylor]: Taking taylor expansion of x in x
0.346 * [taylor]: Taking taylor expansion of (pow (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) 2) in x
0.346 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) in x
0.346 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.346 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.346 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.346 * [taylor]: Taking taylor expansion of y in x
0.346 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.346 * [taylor]: Taking taylor expansion of 2 in x
0.346 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.346 * [taylor]: Taking taylor expansion of x in x
0.347 * [taylor]: Taking taylor expansion of (pow NAN 2) in y
0.347 * [taylor]: Taking taylor expansion of NAN in y
0.347 * [taylor]: Taking taylor expansion of (+ (* 2 (/ (pow NAN 2) y)) (* 2 (pow NAN 4))) in y
0.347 * [taylor]: Taking taylor expansion of (* 2 (/ (pow NAN 2) y)) in y
0.347 * [taylor]: Taking taylor expansion of 2 in y
0.347 * [taylor]: Taking taylor expansion of (/ (pow NAN 2) y) in y
0.347 * [taylor]: Taking taylor expansion of (pow NAN 2) in y
0.347 * [taylor]: Taking taylor expansion of NAN in y
0.347 * [taylor]: Taking taylor expansion of y in y
0.347 * [taylor]: Taking taylor expansion of (* 2 (pow NAN 4)) in y
0.347 * [taylor]: Taking taylor expansion of 2 in y
0.347 * [taylor]: Taking taylor expansion of (pow NAN 4) in y
0.347 * [taylor]: Taking taylor expansion of NAN in y
0.349 * [taylor]: Taking taylor expansion of (+ (* 5 (pow NAN 6)) (+ (* 6 (/ (pow NAN 4) y)) (/ (pow NAN 2) (pow y 2)))) in y
0.349 * [taylor]: Taking taylor expansion of (* 5 (pow NAN 6)) in y
0.349 * [taylor]: Taking taylor expansion of 5 in y
0.349 * [taylor]: Taking taylor expansion of (pow NAN 6) in y
0.349 * [taylor]: Taking taylor expansion of NAN in y
0.349 * [taylor]: Taking taylor expansion of (+ (* 6 (/ (pow NAN 4) y)) (/ (pow NAN 2) (pow y 2))) in y
0.349 * [taylor]: Taking taylor expansion of (* 6 (/ (pow NAN 4) y)) in y
0.349 * [taylor]: Taking taylor expansion of 6 in y
0.349 * [taylor]: Taking taylor expansion of (/ (pow NAN 4) y) in y
0.349 * [taylor]: Taking taylor expansion of (pow NAN 4) in y
0.349 * [taylor]: Taking taylor expansion of NAN in y
0.349 * [taylor]: Taking taylor expansion of y in y
0.349 * [taylor]: Taking taylor expansion of (/ (pow NAN 2) (pow y 2)) in y
0.349 * [taylor]: Taking taylor expansion of (pow NAN 2) in y
0.349 * [taylor]: Taking taylor expansion of NAN in y
0.349 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.349 * [taylor]: Taking taylor expansion of y in y
0.351 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 1)
0.351 * [approximate]: Taking taylor expansion of (+ (* 2 x) y) in (x y) around 0
0.351 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in y
0.351 * [taylor]: Taking taylor expansion of (* 2 x) in y
0.351 * [taylor]: Taking taylor expansion of 2 in y
0.351 * [taylor]: Taking taylor expansion of x in y
0.351 * [taylor]: Taking taylor expansion of y in y
0.351 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.351 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.351 * [taylor]: Taking taylor expansion of 2 in x
0.351 * [taylor]: Taking taylor expansion of x in x
0.351 * [taylor]: Taking taylor expansion of y in x
0.351 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.351 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.351 * [taylor]: Taking taylor expansion of 2 in x
0.351 * [taylor]: Taking taylor expansion of x in x
0.351 * [taylor]: Taking taylor expansion of y in x
0.351 * [taylor]: Taking taylor expansion of y in y
0.351 * [taylor]: Taking taylor expansion of 2 in y
0.351 * [taylor]: Taking taylor expansion of 0 in y
0.351 * [taylor]: Taking taylor expansion of 0 in y
0.351 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in (x y) around 0
0.351 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in y
0.351 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.351 * [taylor]: Taking taylor expansion of y in y
0.351 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.351 * [taylor]: Taking taylor expansion of 2 in y
0.351 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.351 * [taylor]: Taking taylor expansion of x in y
0.352 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.352 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.352 * [taylor]: Taking taylor expansion of y in x
0.352 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.352 * [taylor]: Taking taylor expansion of 2 in x
0.352 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.352 * [taylor]: Taking taylor expansion of x in x
0.352 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.352 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.352 * [taylor]: Taking taylor expansion of y in x
0.352 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.352 * [taylor]: Taking taylor expansion of 2 in x
0.352 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.352 * [taylor]: Taking taylor expansion of x in x
0.352 * [taylor]: Taking taylor expansion of 2 in y
0.352 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.352 * [taylor]: Taking taylor expansion of y in y
0.352 * [taylor]: Taking taylor expansion of 0 in y
0.352 * [taylor]: Taking taylor expansion of 0 in y
0.353 * [taylor]: Taking taylor expansion of 0 in y
0.353 * [approximate]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in (x y) around 0
0.353 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in y
0.353 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in y
0.353 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.353 * [taylor]: Taking taylor expansion of y in y
0.353 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.353 * [taylor]: Taking taylor expansion of 2 in y
0.353 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.353 * [taylor]: Taking taylor expansion of x in y
0.353 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.353 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.353 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.353 * [taylor]: Taking taylor expansion of y in x
0.353 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.353 * [taylor]: Taking taylor expansion of 2 in x
0.353 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.353 * [taylor]: Taking taylor expansion of x in x
0.353 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.353 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.353 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.353 * [taylor]: Taking taylor expansion of y in x
0.353 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.353 * [taylor]: Taking taylor expansion of 2 in x
0.353 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.353 * [taylor]: Taking taylor expansion of x in x
0.353 * [taylor]: Taking taylor expansion of (neg 2) in y
0.353 * [taylor]: Taking taylor expansion of 2 in y
0.353 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.353 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.353 * [taylor]: Taking taylor expansion of y in y
0.354 * [taylor]: Taking taylor expansion of 0 in y
0.354 * [taylor]: Taking taylor expansion of 0 in y
0.354 * [taylor]: Taking taylor expansion of 0 in y
0.354 * * * [progress]: simplifying candidates
0.355 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ x (+ x y)) (+ (+ x x) y))
  (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y)))
  (* (+ x (+ x y)) (+ (+ x x) y))
  (+ (log (sqrt (+ x (+ x y)))) (log (sqrt (+ (+ x x) y))))
  (log (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y))))
  (exp (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y))))
  (* (* (* (sqrt (+ x (+ x y))) (sqrt (+ x (+ x y)))) (sqrt (+ x (+ x y)))) (* (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y))) (sqrt (+ (+ x x) y))))
  (* (cbrt (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y)))) (cbrt (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y)))))
  (cbrt (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y))))
  (* (* (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y))) (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y)))) (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y))))
  (* (+ x (+ x y)) (+ (+ x x) y))
  (sqrt (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y))))
  (sqrt (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y))))
  (* (sqrt (+ (pow x 3) (pow (+ x y) 3))) (sqrt (+ (pow (+ x x) 3) (pow y 3))))
  (* (sqrt (+ (* x x) (- (* (+ x y) (+ x y)) (* x (+ x y))))) (sqrt (+ (* (+ x x) (+ x x)) (- (* y y) (* (+ x x) y)))))
  (* (sqrt (+ (pow x 3) (pow (+ x y) 3))) (sqrt (- (* (+ x x) (+ x x)) (* y y))))
  (* (sqrt (+ (* x x) (- (* (+ x y) (+ x y)) (* x (+ x y))))) (sqrt (- (+ x x) y)))
  (* (sqrt (- (* x x) (* (+ x y) (+ x y)))) (sqrt (+ (pow (+ x x) 3) (pow y 3))))
  (* (sqrt (- x (+ x y))) (sqrt (+ (* (+ x x) (+ x x)) (- (* y y) (* (+ x x) y)))))
  (* (sqrt (- (* x x) (* (+ x y) (+ x y)))) (sqrt (- (* (+ x x) (+ x x)) (* y y))))
  (* (sqrt (- x (+ x y))) (sqrt (- (+ x x) y)))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (+ x (+ x y))) (* (cbrt (sqrt (+ (+ x x) y))) (cbrt (sqrt (+ (+ x x) y)))))
  (* (sqrt (+ x (+ x y))) (sqrt (* (cbrt (+ (+ x x) y)) (cbrt (+ (+ x x) y)))))
  (* (sqrt (+ x (+ x y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (+ x (+ x y))) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt 1))
  (* (sqrt (+ x (+ x y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (+ x (+ x y))) 1)
  (* (cbrt (sqrt (+ x (+ x y)))) (sqrt (+ (+ x x) y)))
  (* (sqrt (cbrt (+ x (+ x y)))) (sqrt (+ (+ x x) y)))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (+ (+ x x) y)))
  (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y)))
  (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y)))
  (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y)))
  (* (sqrt (sqrt (+ x (+ x y)))) (sqrt (+ (+ x x) y)))
  (* (sqrt (+ x (+ x y))) (sqrt (+ (+ x x) y)))
  (* (sqrt (+ x (+ x y))) (sqrt (+ (pow (+ x x) 3) (pow y 3))))
  (* (sqrt (+ x (+ x y))) (sqrt (- (* (+ x x) (+ x x)) (* y y))))
  (* (sqrt (+ (pow x 3) (pow (+ x y) 3))) (sqrt (+ (+ x x) y)))
  (* (sqrt (- (* x x) (* (+ x y) (+ x y)))) (sqrt (+ (+ x x) y)))
  (* (exp x) (* (exp x) (exp y)))
  (* (exp x) (exp (+ x y)))
  (log (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (* (cbrt (+ x (+ x y))) (cbrt (+ x (+ x y))))
  (cbrt (+ x (+ x y)))
  (* (* (+ x (+ x y)) (+ x (+ x y))) (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (+ (pow x 3) (pow (+ x y) 3))
  (+ (* x x) (- (* (+ x y) (+ x y)) (* x (+ x y))))
  (- (* x x) (* (+ x y) (+ x y)))
  (- x (+ x y))
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x x)
  (+ (* 2 x) y)
  (+ (* 2 x) y)
  (- (+ (* 5 (/ (pow NAN 6) (pow x 2))) (pow NAN 2)) (* 2 (/ (pow NAN 4) x)))
  (+ (* 2 x) y)
  (+ (* 2 x) y)
  (+ (* 2 x) y)
0.391 * * [simplify]: iteration  0 :  5369  enodes  (cost  652 )
0.394 * [simplify]: Simplified to:
   (pow (sqrt (+ x (+ x y))) 4)
  (+ x (+ x y))
  (pow (sqrt (+ x (+ x y))) 4)
  (log (+ x (+ x y)))
  (log (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (pow (+ x (+ x y)) 3)
  (* (cbrt (+ x (+ x y))) (cbrt (+ x (+ x y))))
  (cbrt (+ x (+ x y)))
  (pow (+ x (+ x y)) 3)
  (pow (sqrt (+ x (+ x y))) 4)
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (* (sqrt (+ (pow x 3) (pow (+ x y) 3))) (sqrt (+ (* (pow x 3) 8) (pow y 3))))
  (* (sqrt (+ (* x x) (* y (+ x y)))) (sqrt (+ (* x (* x 4)) (* y (- y (+ x x))))))
  (* (sqrt (+ (pow x 3) (pow (+ x y) 3))) (sqrt (- (* x (* x 4)) (* y y))))
  (* (sqrt (+ (* x x) (* y (+ x y)))) (sqrt (+ x (- x y))))
  (* (sqrt (+ (* (pow x 3) 8) (pow y 3))) (sqrt (* (+ x (+ x y)) (neg y))))
  (* (sqrt (+ (* x (* x 4)) (* y (- y (+ x x))))) (sqrt (neg y)))
  (* (sqrt (- (* x (* x 4)) (* y y))) (sqrt (* (+ x (+ x y)) (neg y))))
  (* (sqrt (+ x (- x y))) (sqrt (neg y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (* (sqrt (+ x (+ x y))) (* (cbrt (sqrt (+ x (+ x y)))) (cbrt (sqrt (+ x (+ x y))))))
  (* (sqrt (+ x (+ x y))) (fabs (cbrt (+ x (+ x y)))))
  (pow (sqrt (sqrt (+ x (+ x y)))) 3)
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (pow (sqrt (sqrt (+ x (+ x y)))) 3)
  (sqrt (+ x (+ x y)))
  (* (sqrt (+ x (+ x y))) (cbrt (sqrt (+ x (+ x y)))))
  (* (sqrt (+ x (+ x y))) (sqrt (cbrt (+ x (+ x y)))))
  (pow (sqrt (sqrt (+ x (+ x y)))) 3)
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x (+ x y))
  (pow (sqrt (sqrt (+ x (+ x y)))) 3)
  (+ x (+ x y))
  (* (sqrt (+ x (+ x y))) (sqrt (+ (* (pow x 3) 8) (pow y 3))))
  (* (sqrt (+ x (+ x y))) (sqrt (- (* x (* x 4)) (* y y))))
  (* (sqrt (+ x (+ x y))) (sqrt (+ (pow x 3) (pow (+ x y) 3))))
  (* (sqrt (+ x (+ x y))) (sqrt (* (+ x (+ x y)) (neg y))))
  (exp (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (log (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (* (cbrt (+ x (+ x y))) (cbrt (+ x (+ x y))))
  (cbrt (+ x (+ x y)))
  (pow (+ x (+ x y)) 3)
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (+ (pow x 3) (pow (+ x y) 3))
  (+ (* x x) (* y (+ x y)))
  (* (+ x (+ x y)) (neg y))
  (neg y)
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x x)
  (+ x (+ x y))
  (+ x (+ x y))
  (+ (* 5 (/ (pow NAN 6) (* x x))) (- (* NAN NAN) (* 2 (/ (pow NAN 4) x))))
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x (+ x y))
0.395 * * * [progress]: adding candidates to table
0.454 * * [progress]: iteration 4 / 4
0.454 * * * [progress]: picking best candidate
0.456 * * * * [pick]: Picked  #<alt (λ (x y) (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y))))>
0.456 * * * [progress]: localizing error
0.462 * * * [progress]: generating rewritten candidates
0.462 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.483 * * * [progress]: generating series expansions
0.483 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.483 * [approximate]: Taking taylor expansion of (+ (* 2 x) y) in (x y) around 0
0.483 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in y
0.483 * [taylor]: Taking taylor expansion of (* 2 x) in y
0.483 * [taylor]: Taking taylor expansion of 2 in y
0.483 * [taylor]: Taking taylor expansion of x in y
0.483 * [taylor]: Taking taylor expansion of y in y
0.483 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.483 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.483 * [taylor]: Taking taylor expansion of 2 in x
0.483 * [taylor]: Taking taylor expansion of x in x
0.483 * [taylor]: Taking taylor expansion of y in x
0.484 * [taylor]: Taking taylor expansion of (+ (* 2 x) y) in x
0.484 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.484 * [taylor]: Taking taylor expansion of 2 in x
0.484 * [taylor]: Taking taylor expansion of x in x
0.484 * [taylor]: Taking taylor expansion of y in x
0.484 * [taylor]: Taking taylor expansion of y in y
0.484 * [taylor]: Taking taylor expansion of 2 in y
0.484 * [taylor]: Taking taylor expansion of 0 in y
0.484 * [taylor]: Taking taylor expansion of 0 in y
0.484 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in (x y) around 0
0.484 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in y
0.484 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.484 * [taylor]: Taking taylor expansion of y in y
0.484 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.484 * [taylor]: Taking taylor expansion of 2 in y
0.484 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.484 * [taylor]: Taking taylor expansion of x in y
0.484 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.484 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.484 * [taylor]: Taking taylor expansion of y in x
0.484 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.484 * [taylor]: Taking taylor expansion of 2 in x
0.484 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.484 * [taylor]: Taking taylor expansion of x in x
0.484 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.484 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.484 * [taylor]: Taking taylor expansion of y in x
0.485 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.485 * [taylor]: Taking taylor expansion of 2 in x
0.485 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.485 * [taylor]: Taking taylor expansion of x in x
0.485 * [taylor]: Taking taylor expansion of 2 in y
0.485 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.485 * [taylor]: Taking taylor expansion of y in y
0.485 * [taylor]: Taking taylor expansion of 0 in y
0.485 * [taylor]: Taking taylor expansion of 0 in y
0.485 * [taylor]: Taking taylor expansion of 0 in y
0.488 * [approximate]: Taking taylor expansion of (pow (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) 2) in (x y) around 0
0.488 * [taylor]: Taking taylor expansion of (pow (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) 2) in y
0.488 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) in y
0.488 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in y
0.488 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in y
0.488 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.488 * [taylor]: Taking taylor expansion of y in y
0.488 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in y
0.488 * [taylor]: Taking taylor expansion of 2 in y
0.488 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.488 * [taylor]: Taking taylor expansion of x in y
0.488 * [taylor]: Taking taylor expansion of (pow (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) 2) in x
0.488 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) in x
0.488 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.488 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.488 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.488 * [taylor]: Taking taylor expansion of y in x
0.488 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.488 * [taylor]: Taking taylor expansion of 2 in x
0.488 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.488 * [taylor]: Taking taylor expansion of x in x
0.488 * [taylor]: Taking taylor expansion of (pow (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) 2) in x
0.489 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (/ 1 y) (* 2 (/ 1 x))))) in x
0.489 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (* 2 (/ 1 x)))) in x
0.489 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (* 2 (/ 1 x))) in x
0.489 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.489 * [taylor]: Taking taylor expansion of y in x
0.489 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.489 * [taylor]: Taking taylor expansion of 2 in x
0.489 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.489 * [taylor]: Taking taylor expansion of x in x
0.489 * [taylor]: Taking taylor expansion of (pow NAN 2) in y
0.489 * [taylor]: Taking taylor expansion of NAN in y
0.489 * [taylor]: Taking taylor expansion of (+ (* 2 (/ (pow NAN 2) y)) (* 2 (pow NAN 4))) in y
0.489 * [taylor]: Taking taylor expansion of (* 2 (/ (pow NAN 2) y)) in y
0.489 * [taylor]: Taking taylor expansion of 2 in y
0.489 * [taylor]: Taking taylor expansion of (/ (pow NAN 2) y) in y
0.489 * [taylor]: Taking taylor expansion of (pow NAN 2) in y
0.489 * [taylor]: Taking taylor expansion of NAN in y
0.490 * [taylor]: Taking taylor expansion of y in y
0.490 * [taylor]: Taking taylor expansion of (* 2 (pow NAN 4)) in y
0.490 * [taylor]: Taking taylor expansion of 2 in y
0.490 * [taylor]: Taking taylor expansion of (pow NAN 4) in y
0.490 * [taylor]: Taking taylor expansion of NAN in y
0.491 * [taylor]: Taking taylor expansion of (+ (* 5 (pow NAN 6)) (+ (* 6 (/ (pow NAN 4) y)) (/ (pow NAN 2) (pow y 2)))) in y
0.491 * [taylor]: Taking taylor expansion of (* 5 (pow NAN 6)) in y
0.491 * [taylor]: Taking taylor expansion of 5 in y
0.491 * [taylor]: Taking taylor expansion of (pow NAN 6) in y
0.491 * [taylor]: Taking taylor expansion of NAN in y
0.491 * [taylor]: Taking taylor expansion of (+ (* 6 (/ (pow NAN 4) y)) (/ (pow NAN 2) (pow y 2))) in y
0.491 * [taylor]: Taking taylor expansion of (* 6 (/ (pow NAN 4) y)) in y
0.491 * [taylor]: Taking taylor expansion of 6 in y
0.491 * [taylor]: Taking taylor expansion of (/ (pow NAN 4) y) in y
0.491 * [taylor]: Taking taylor expansion of (pow NAN 4) in y
0.491 * [taylor]: Taking taylor expansion of NAN in y
0.491 * [taylor]: Taking taylor expansion of y in y
0.491 * [taylor]: Taking taylor expansion of (/ (pow NAN 2) (pow y 2)) in y
0.491 * [taylor]: Taking taylor expansion of (pow NAN 2) in y
0.492 * [taylor]: Taking taylor expansion of NAN in y
0.492 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.492 * [taylor]: Taking taylor expansion of y in y
0.493 * * * [progress]: simplifying candidates
0.494 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ 1/2 1/2)
  (+ 1/2 (/ 1 2))
  (+ 1 1)
  (+ (/ 1 2) 1/2)
  (+ (/ 1 2) (/ 1 2))
  (* (+ (+ x x) y) (+ (+ x x) y))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (+ (+ x x) y) (+ (+ x x) y))
  (+ 1 1)
  (+ (log (sqrt (+ (+ x x) y))) (log (sqrt (+ (+ x x) y))))
  (log (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y))))
  (exp (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y))))
  (* (* (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y))) (sqrt (+ (+ x x) y))) (* (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y))) (sqrt (+ (+ x x) y))))
  (* (cbrt (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))) (cbrt (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))))
  (cbrt (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y))))
  (* (* (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y))) (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))) (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y))))
  (* (+ (+ x x) y) (+ (+ x x) y))
  (sqrt (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y))))
  (sqrt (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y))))
  (* (sqrt (+ (pow (+ x x) 3) (pow y 3))) (sqrt (+ (pow (+ x x) 3) (pow y 3))))
  (* (sqrt (+ (* (+ x x) (+ x x)) (- (* y y) (* (+ x x) y)))) (sqrt (+ (* (+ x x) (+ x x)) (- (* y y) (* (+ x x) y)))))
  (* (sqrt (+ (pow (+ x x) 3) (pow y 3))) (sqrt (- (* (+ x x) (+ x x)) (* y y))))
  (* (sqrt (+ (* (+ x x) (+ x x)) (- (* y y) (* (+ x x) y)))) (sqrt (- (+ x x) y)))
  (* (sqrt (- (* (+ x x) (+ x x)) (* y y))) (sqrt (+ (pow (+ x x) 3) (pow y 3))))
  (* (sqrt (- (+ x x) y)) (sqrt (+ (* (+ x x) (+ x x)) (- (* y y) (* (+ x x) y)))))
  (* (sqrt (- (* (+ x x) (+ x x)) (* y y))) (sqrt (- (* (+ x x) (+ x x)) (* y y))))
  (* (sqrt (- (+ x x) y)) (sqrt (- (+ x x) y)))
  (* (* (cbrt (sqrt (+ (+ x x) y))) (cbrt (sqrt (+ (+ x x) y)))) (* (cbrt (sqrt (+ (+ x x) y))) (cbrt (sqrt (+ (+ x x) y)))))
  (* (cbrt (sqrt (+ (+ x x) y))) (cbrt (sqrt (+ (+ x x) y))))
  (* (sqrt (* (cbrt (+ (+ x x) y)) (cbrt (+ (+ x x) y)))) (sqrt (* (cbrt (+ (+ x x) y)) (cbrt (+ (+ x x) y)))))
  (* (sqrt (cbrt (+ (+ x x) y))) (sqrt (cbrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* 1 1)
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (sqrt (+ (+ x x) y))))
  (* 2 1/2)
  (* 2 1)
  (* 2 (/ 1 2))
  (* (sqrt (+ (+ x x) y)) (* (cbrt (sqrt (+ (+ x x) y))) (cbrt (sqrt (+ (+ x x) y)))))
  (* (sqrt (+ (+ x x) y)) (sqrt (* (cbrt (+ (+ x x) y)) (cbrt (+ (+ x x) y)))))
  (* (sqrt (+ (+ x x) y)) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (+ (+ x x) y)) (sqrt 1))
  (* (sqrt (+ (+ x x) y)) (sqrt 1))
  (* (sqrt (+ (+ x x) y)) (sqrt 1))
  (* (sqrt (+ (+ x x) y)) (sqrt (sqrt (+ (+ x x) y))))
  (* (sqrt (+ (+ x x) y)) 1)
  (* (cbrt (sqrt (+ (+ x x) y))) (sqrt (+ (+ x x) y)))
  (* (sqrt (cbrt (+ (+ x x) y))) (sqrt (+ (+ x x) y)))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (+ (+ x x) y)))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt (sqrt (+ (+ x x) y))) (sqrt (+ (+ x x) y)))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (+ x x) y)))
  (* (sqrt (+ (+ x x) y)) (sqrt (+ (pow (+ x x) 3) (pow y 3))))
  (* (sqrt (+ (+ x x) y)) (sqrt (- (* (+ x x) (+ x x)) (* y y))))
  (* (sqrt (+ (pow (+ x x) 3) (pow y 3))) (sqrt (+ (+ x x) y)))
  (* (sqrt (- (* (+ x x) (+ x x)) (* y y))) (sqrt (+ (+ x x) y)))
  (+ (* 2 x) y)
  (+ (* 2 x) y)
  (- (+ (* 5 (/ (pow NAN 6) (pow x 2))) (pow NAN 2)) (* 2 (/ (pow NAN 4) x)))
0.528 * * [simplify]: iteration  0 :  5016  enodes  (cost  629 )
0.531 * [simplify]: Simplified to:
   1
  1
  2
  1
  1
  (pow (sqrt (+ x (+ x y))) 4)
  (+ x (+ x y))
  (pow (sqrt (+ x (+ x y))) 4)
  2
  (log (+ x (+ x y)))
  (log (+ x (+ x y)))
  (exp (+ x (+ x y)))
  (pow (+ x (+ x y)) 3)
  (pow (sqrt (cbrt (+ x (+ x y)))) 4)
  (cbrt (+ x (+ x y)))
  (pow (+ x (+ x y)) 3)
  (pow (sqrt (+ x (+ x y))) 4)
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (+ (* 8 (pow x 3)) (pow y 3))
  (+ (* x (* x 4)) (* y (- y (+ x x))))
  (* (sqrt (+ (* 8 (pow x 3)) (pow y 3))) (sqrt (- (* x (* x 4)) (* y y))))
  (* (sqrt (+ (* x (* x 4)) (* y (- y (+ x x))))) (sqrt (+ x (- x y))))
  (* (sqrt (+ (* 8 (pow x 3)) (pow y 3))) (sqrt (- (* x (* x 4)) (* y y))))
  (* (sqrt (+ (* x (* x 4)) (* y (- y (+ x x))))) (sqrt (+ x (- x y))))
  (- (* x (* x 4)) (* y y))
  (+ x (- x y))
  (pow (cbrt (sqrt (+ x (+ x y)))) 4)
  (pow (cbrt (sqrt (+ x (+ x y)))) 2)
  (pow (sqrt (cbrt (+ x (+ x y)))) 4)
  (cbrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  1
  (+ x (+ x y))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  1
  (+ x (+ x y))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  1
  2
  1
  (pow (cbrt (sqrt (+ x (+ x y)))) 5)
  (* (sqrt (+ x (+ x y))) (fabs (cbrt (+ x (+ x y)))))
  (pow (sqrt (sqrt (+ x (+ x y)))) 3)
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (sqrt (+ x (+ x y)))
  (pow (sqrt (sqrt (+ x (+ x y)))) 3)
  (sqrt (+ x (+ x y)))
  (pow (cbrt (sqrt (+ x (+ x y)))) 4)
  (* (sqrt (+ x (+ x y))) (sqrt (cbrt (+ x (+ x y)))))
  (pow (sqrt (sqrt (+ x (+ x y)))) 3)
  (+ x (+ x y))
  (+ x (+ x y))
  (+ x (+ x y))
  (pow (sqrt (sqrt (+ x (+ x y)))) 3)
  (+ x (+ x y))
  (* (sqrt (+ x (+ x y))) (sqrt (+ (* 8 (pow x 3)) (pow y 3))))
  (* (sqrt (+ x (+ x y))) (sqrt (- (* x (* x 4)) (* y y))))
  (* (sqrt (+ x (+ x y))) (sqrt (+ (* 8 (pow x 3)) (pow y 3))))
  (* (sqrt (+ x (+ x y))) (sqrt (- (* x (* x 4)) (* y y))))
  (+ x (+ x y))
  (+ x (+ x y))
  (+ (* NAN NAN) (* (/ (pow NAN 4) x) (- (/ 5 (/ x (* NAN NAN))) 2)))
0.532 * * * [progress]: adding candidates to table
0.575 * [progress]: [Phase 3 of 3] Extracting.
0.577 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ x x) y)
0.578 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
0.578 * * [simplify]: iteration  1 :  5  enodes  (cost  5 )
0.578 * [simplify]: Simplified to:
   (+ (+ x x) y)
1.066 * [regime-testing]: End program error score: 0
1.133 * [regime-testing]: Target error score: 0