MAYBE

We are left with following problem, upon which TcT provides the
certificate MAYBE.

Strict Trs:
  { a(x1) -> x1
  , a(b(x1)) -> c(x1)
  , a(c(c(x1))) -> c(b(a(c(a(x1))))) }
Obligation:
  innermost runtime complexity
Answer:
  MAYBE

The input cannot be shown compatible

Arrrr..