TIMEOUT We are left with following problem, upon which TcT provides the certificate TIMEOUT. Strict Trs: { prime(0()) -> false() , prime(s(0())) -> false() , prime(s(s(x))) -> prime1(s(s(x)), s(x)) , prime1(x, 0()) -> false() , prime1(x, s(0())) -> true() , prime1(x, s(s(y))) -> and(not(divp(s(s(y)), x)), prime1(x, s(y))) , divp(x, y) -> =(rem(x, y), 0()) } Obligation: innermost runtime complexity Answer: TIMEOUT Computation stopped due to timeout after 10.0 seconds. Arrrr..