WORST_CASE(?,O(n^1))

Solution:
---------

  0 :: [] -(0)-> A(12)
  Cons :: [A(12) x A(12)] -(12)-> A(12)
  Nil :: [] -(0)-> A(12)
  S :: [A(12)] -(12)-> A(12)
  S :: [A(0)] -(0)-> A(0)
  fold#3 :: [A(12)] -(5)-> A(0)
  main :: [A(14)] -(14)-> A(0)
  plus#2 :: [A(12) x A(0)] -(8)-> A(0)


Cost Free Signatures:
---------------------

  0 :: [] -(0)-> A_cf(0)
  Cons :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0)
  Nil :: [] -(0)-> A_cf(0)
  S :: [A_cf(0)] -(0)-> A_cf(0)
  fold#3 :: [A_cf(0)] -(0)-> A_cf(0)
  plus#2 :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0)


Base Constructors:
------------------
  0_A :: [] -(0)-> A(1)
  Cons_A :: [A(1) x A(1)] -(1)-> A(1)
  Nil_A :: [] -(0)-> A(1)
  S_A :: [A(1)] -(1)-> A(1)