0.422 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.021 * * * [progress]: [2/2] Setting up program.
0.023 * [progress]: [Phase 2 of 3] Improving.
0.023 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (+ (* x x) (* (* x 2.0) y)) (* y y))
0.024 * * [simplify]: iteration  0 :  9  enodes  (cost  13 )
0.025 * * [simplify]: iteration  1 :  17  enodes  (cost  13 )
0.027 * * [simplify]: iteration  2 :  35  enodes  (cost  11 )
0.032 * * [simplify]: iteration  3 :  42  enodes  (cost  11 )
0.038 * * [simplify]: iteration  done :  42  enodes  (cost  11 )
0.038 * [simplify]: Simplified to:
   (+ (* y y) (* x (+ (* 2.0 y) x)))
0.040 * * [progress]: iteration 1 / 4
0.040 * * * [progress]: picking best candidate
0.042 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* y y) (* x (+ (* 2.0 y) x))))>
0.042 * * * [progress]: localizing error
0.048 * * * [progress]: generating rewritten candidates
0.048 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.051 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.067 * * * [progress]: generating series expansions
0.068 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.068 * [approximate]: Taking taylor expansion of (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y)))) in (y x) around 0
0.068 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y)))) in x
0.068 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of (+ (pow y 2) (* 2.0 (* x y))) in x
0.068 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in x
0.068 * [taylor]: Taking taylor expansion of 2.0 in x
0.068 * [taylor]: Taking taylor expansion of (* x y) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y)))) in y
0.068 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.068 * [taylor]: Taking taylor expansion of x in y
0.068 * [taylor]: Taking taylor expansion of (+ (pow y 2) (* 2.0 (* x y))) in y
0.068 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.068 * [taylor]: Taking taylor expansion of y in y
0.068 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in y
0.068 * [taylor]: Taking taylor expansion of 2.0 in y
0.068 * [taylor]: Taking taylor expansion of (* x y) in y
0.068 * [taylor]: Taking taylor expansion of x in y
0.068 * [taylor]: Taking taylor expansion of y in y
0.068 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y)))) in y
0.068 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.068 * [taylor]: Taking taylor expansion of x in y
0.068 * [taylor]: Taking taylor expansion of (+ (pow y 2) (* 2.0 (* x y))) in y
0.068 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.068 * [taylor]: Taking taylor expansion of y in y
0.068 * [taylor]: Taking taylor expansion of (* 2.0 (* x y)) in y
0.068 * [taylor]: Taking taylor expansion of 2.0 in y
0.068 * [taylor]: Taking taylor expansion of (* x y) in y
0.068 * [taylor]: Taking taylor expansion of x in y
0.068 * [taylor]: Taking taylor expansion of y in y
0.069 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.069 * [taylor]: Taking taylor expansion of x in x
0.070 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
0.070 * [taylor]: Taking taylor expansion of 2.0 in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of 1 in x
0.074 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in (y x) around 0
0.074 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in x
0.074 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.074 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.074 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in x
0.075 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.075 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.075 * [taylor]: Taking taylor expansion of y in x
0.075 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
0.075 * [taylor]: Taking taylor expansion of 2.0 in x
0.075 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.075 * [taylor]: Taking taylor expansion of (* x y) in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of y in x
0.075 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
0.075 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.076 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.076 * [taylor]: Taking taylor expansion of x in y
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.076 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.076 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.076 * [taylor]: Taking taylor expansion of 2.0 in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.076 * [taylor]: Taking taylor expansion of (* x y) in y
0.076 * [taylor]: Taking taylor expansion of x in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.077 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.077 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.077 * [taylor]: Taking taylor expansion of x in y
0.077 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.077 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.077 * [taylor]: Taking taylor expansion of y in y
0.077 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.077 * [taylor]: Taking taylor expansion of 2.0 in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.077 * [taylor]: Taking taylor expansion of (* x y) in y
0.077 * [taylor]: Taking taylor expansion of x in y
0.077 * [taylor]: Taking taylor expansion of y in y
0.078 * [taylor]: Taking taylor expansion of 1 in x
0.079 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
0.079 * [taylor]: Taking taylor expansion of 2.0 in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.082 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.083 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in (y x) around 0
0.083 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in x
0.083 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.083 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.083 * [taylor]: Taking taylor expansion of x in x
0.084 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.084 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.084 * [taylor]: Taking taylor expansion of y in x
0.084 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in x
0.084 * [taylor]: Taking taylor expansion of 2.0 in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.084 * [taylor]: Taking taylor expansion of (* x y) in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [taylor]: Taking taylor expansion of y in x
0.084 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.084 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.084 * [taylor]: Taking taylor expansion of x in y
0.084 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.084 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.085 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.085 * [taylor]: Taking taylor expansion of 2.0 in y
0.085 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.085 * [taylor]: Taking taylor expansion of (* x y) in y
0.085 * [taylor]: Taking taylor expansion of x in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.085 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y))))) in y
0.085 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.085 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.085 * [taylor]: Taking taylor expansion of x in y
0.086 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (* 2.0 (/ 1 (* x y)))) in y
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.086 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.086 * [taylor]: Taking taylor expansion of y in y
0.086 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (* x y))) in y
0.086 * [taylor]: Taking taylor expansion of 2.0 in y
0.086 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.086 * [taylor]: Taking taylor expansion of (* x y) in y
0.086 * [taylor]: Taking taylor expansion of x in y
0.086 * [taylor]: Taking taylor expansion of y in y
0.087 * [taylor]: Taking taylor expansion of 1 in x
0.088 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
0.088 * [taylor]: Taking taylor expansion of 2.0 in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.091 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.092 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.092 * [approximate]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in (x y) around 0
0.092 * [taylor]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in y
0.092 * [taylor]: Taking taylor expansion of x in y
0.092 * [taylor]: Taking taylor expansion of (+ x (* 2.0 y)) in y
0.092 * [taylor]: Taking taylor expansion of x in y
0.092 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.092 * [taylor]: Taking taylor expansion of 2.0 in y
0.092 * [taylor]: Taking taylor expansion of y in y
0.092 * [taylor]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (+ x (* 2.0 y)) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (* 2.0 y) in x
0.092 * [taylor]: Taking taylor expansion of 2.0 in x
0.092 * [taylor]: Taking taylor expansion of y in x
0.092 * [taylor]: Taking taylor expansion of (* x (+ x (* 2.0 y))) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (+ x (* 2.0 y)) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (* 2.0 y) in x
0.092 * [taylor]: Taking taylor expansion of 2.0 in x
0.092 * [taylor]: Taking taylor expansion of y in x
0.092 * [taylor]: Taking taylor expansion of 0 in y
0.093 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.093 * [taylor]: Taking taylor expansion of 2.0 in y
0.093 * [taylor]: Taking taylor expansion of y in y
0.095 * [taylor]: Taking taylor expansion of 1 in y
0.098 * [taylor]: Taking taylor expansion of 0 in y
0.100 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [approximate]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in (x y) around 0
0.101 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in y
0.101 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in y
0.101 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.101 * [taylor]: Taking taylor expansion of 2.0 in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.101 * [taylor]: Taking taylor expansion of x in y
0.101 * [taylor]: Taking taylor expansion of x in y
0.102 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in x
0.102 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in x
0.102 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.102 * [taylor]: Taking taylor expansion of 2.0 in x
0.102 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.102 * [taylor]: Taking taylor expansion of y in x
0.102 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in x
0.103 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in x
0.103 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.103 * [taylor]: Taking taylor expansion of 2.0 in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of 1 in y
0.105 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.105 * [taylor]: Taking taylor expansion of 2.0 in y
0.105 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.105 * [taylor]: Taking taylor expansion of y in y
0.107 * [taylor]: Taking taylor expansion of 0 in y
0.111 * [taylor]: Taking taylor expansion of 0 in y
0.115 * [taylor]: Taking taylor expansion of 0 in y
0.116 * [approximate]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in (x y) around 0
0.116 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in y
0.116 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in y
0.116 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.116 * [taylor]: Taking taylor expansion of 2.0 in y
0.116 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.116 * [taylor]: Taking taylor expansion of y in y
0.116 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.116 * [taylor]: Taking taylor expansion of x in y
0.116 * [taylor]: Taking taylor expansion of x in y
0.117 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in x
0.117 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in x
0.117 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.117 * [taylor]: Taking taylor expansion of 2.0 in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.117 * [taylor]: Taking taylor expansion of y in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.118 * [taylor]: Taking taylor expansion of (/ (+ (* 2.0 (/ 1 y)) (/ 1 x)) x) in x
0.118 * [taylor]: Taking taylor expansion of (+ (* 2.0 (/ 1 y)) (/ 1 x)) in x
0.118 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in x
0.118 * [taylor]: Taking taylor expansion of 2.0 in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.118 * [taylor]: Taking taylor expansion of y in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of 1 in y
0.120 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.120 * [taylor]: Taking taylor expansion of 2.0 in y
0.120 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.120 * [taylor]: Taking taylor expansion of y in y
0.122 * [taylor]: Taking taylor expansion of 0 in y
0.126 * [taylor]: Taking taylor expansion of 0 in y
0.130 * [taylor]: Taking taylor expansion of 0 in y
0.130 * * * [progress]: simplifying candidates
0.131 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp (* y y)) (exp (* x (+ (* 2.0 y) x))))
  (log (+ (* y y) (* x (+ (* 2.0 y) x))))
  (exp (+ (* y y) (* x (+ (* 2.0 y) x))))
  (* (cbrt (+ (* y y) (* x (+ (* 2.0 y) x)))) (cbrt (+ (* y y) (* x (+ (* 2.0 y) x)))))
  (cbrt (+ (* y y) (* x (+ (* 2.0 y) x))))
  (* (* (+ (* y y) (* x (+ (* 2.0 y) x))) (+ (* y y) (* x (+ (* 2.0 y) x)))) (+ (* y y) (* x (+ (* 2.0 y) x))))
  (sqrt (+ (* y y) (* x (+ (* 2.0 y) x))))
  (sqrt (+ (* y y) (* x (+ (* 2.0 y) x))))
  (+ (pow (* y y) 3) (pow (* x (+ (* 2.0 y) x)) 3))
  (+ (* (* y y) (* y y)) (- (* (* x (+ (* 2.0 y) x)) (* x (+ (* 2.0 y) x))) (* (* y y) (* x (+ (* 2.0 y) x)))))
  (- (* (* y y) (* y y)) (* (* x (+ (* 2.0 y) x)) (* x (+ (* 2.0 y) x))))
  (- (* y y) (* x (+ (* 2.0 y) x)))
  (+ (* y y) (* x (* 2.0 y)))
  (+ (* y y) (* (* 2.0 y) x))
  (* x (+ (* 2.0 y) x))
  (+ (log x) (log (+ (* 2.0 y) x)))
  (log (* x (+ (* 2.0 y) x)))
  (exp (* x (+ (* 2.0 y) x)))
  (* (* (* x x) x) (* (* (+ (* 2.0 y) x) (+ (* 2.0 y) x)) (+ (* 2.0 y) x)))
  (* (cbrt (* x (+ (* 2.0 y) x))) (cbrt (* x (+ (* 2.0 y) x))))
  (cbrt (* x (+ (* 2.0 y) x)))
  (* (* (* x (+ (* 2.0 y) x)) (* x (+ (* 2.0 y) x))) (* x (+ (* 2.0 y) x)))
  (sqrt (* x (+ (* 2.0 y) x)))
  (sqrt (* x (+ (* 2.0 y) x)))
  (* (sqrt x) (sqrt (+ (* 2.0 y) x)))
  (* (sqrt x) (sqrt (+ (* 2.0 y) x)))
  (* x (* 2.0 y))
  (* x x)
  (* (* 2.0 y) x)
  (* x x)
  (* x (* (cbrt (+ (* 2.0 y) x)) (cbrt (+ (* 2.0 y) x))))
  (* x (sqrt (+ (* 2.0 y) x)))
  (* x 1)
  (* (cbrt x) (+ (* 2.0 y) x))
  (* (sqrt x) (+ (* 2.0 y) x))
  (* x (+ (* 2.0 y) x))
  (* x (+ (pow (* 2.0 y) 3) (pow x 3)))
  (* x (- (* (* 2.0 y) (* 2.0 y)) (* x x)))
  (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y))))
  (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y))))
  (+ (pow x 2) (+ (pow y 2) (* 2.0 (* x y))))
  (+ (pow x 2) (* 2.0 (* x y)))
  (+ (pow x 2) (* 2.0 (* x y)))
  (+ (pow x 2) (* 2.0 (* x y)))
0.133 * * [simplify]: iteration  0 :  73  enodes  (cost  527 )