WORST_CASE(?,O(n^1))

Solution:
---------

  "Cons" :: ["A"(12) x "A"(12)] -(12)-> "A"(12)
  "Cons" :: ["A"(5) x "A"(5)] -(5)-> "A"(5)
  "Cons" :: ["A"(14) x "A"(14)] -(14)-> "A"(14)
  "Leaf" :: ["A"(15)] -(15)-> "A"(15)
  "Nil" :: [] -(0)-> "A"(12)
  "Nil" :: [] -(0)-> "A"(15)
  "Nil" :: [] -(0)-> "A"(14)
  "Node" :: ["A"(15) x "A"(15)] -(15)-> "A"(15)
  "dfsAcc#3" :: ["A"(15) x "A"(14)] -(0)-> "A"(14)
  "main" :: ["A"(15)] -(16)-> "A"(1)
  "revApp#2" :: ["A"(12) x "A"(5)] -(12)-> "A"(3)


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

  "Cons" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)
  "Leaf" :: ["A"_cf(0)] -(0)-> "A"_cf(0)
  "Nil" :: [] -(0)-> "A"_cf(0)
  "Node" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)
  "dfsAcc#3" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)
  "revApp#2" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0)


Base Constructors:
------------------
  "\"Cons\"_A" :: ["A"(1) x "A"(1)] -(1)-> "A"(1)
  "\"Leaf\"_A" :: ["A"(1)] -(1)-> "A"(1)
  "\"Nil\"_A" :: [] -(0)-> "A"(1)
  "\"Node\"_A" :: ["A"(1) x "A"(1)] -(1)-> "A"(1)