TIMEOUT

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

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

Computation stopped due to timeout after 60.0 seconds.

Arrrr..