MAYBE

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

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

The input cannot be shown compatible

Arrrr..