MAYBE

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

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

The input cannot be shown compatible

Arrrr..