TIMEOUT

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

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

Computation stopped due to timeout after 10.0 seconds.

Arrrr..