MAYBE We are left with following problem, upon which TcT provides the certificate MAYBE. Strict Trs: { f(true(), x, y, z) -> f(and(gt(x, y), gt(x, z)), x, y, s(z)) , f(true(), x, y, z) -> f(and(gt(x, y), gt(x, z)), x, s(y), z) , and(x, true()) -> x , and(x, false()) -> false() , gt(s(u), s(v)) -> gt(u, v) , gt(s(u), 0()) -> true() , gt(0(), v) -> false() } Obligation: runtime complexity Answer: MAYBE None of the processors succeeded. Details of failed attempt(s): ----------------------------- 1) 'Best' failed due to the following reason: None of the processors succeeded. Details of failed attempt(s): ----------------------------- 1) 'WithProblem (timeout of 30 seconds) (timeout of 60 seconds)' failed due to the following reason: Computation stopped due to timeout after 30.0 seconds. 2) 'Best' failed due to the following reason: None of the processors succeeded. Details of failed attempt(s): ----------------------------- 1) 'Polynomial Path Order (PS) (timeout of 60 seconds)' failed due to the following reason: The processor is inapplicable, reason: Processor only applicable for innermost runtime complexity analysis 2) 'bsearch-popstar (timeout of 60 seconds)' failed due to the following reason: The processor is inapplicable, reason: Processor only applicable for innermost runtime complexity analysis 3) 'Fastest (timeout of 5 seconds) (timeout of 60 seconds)' failed due to the following reason: None of the processors succeeded. Details of failed attempt(s): ----------------------------- 1) 'Bounds with perSymbol-enrichment and initial automaton 'match'' failed due to the following reason: match-boundness of the problem could not be verified. 2) 'Bounds with minimal-enrichment and initial automaton 'match'' failed due to the following reason: match-boundness of the problem could not be verified. 2) 'Innermost Weak Dependency Pairs (timeout of 60 seconds)' failed due to the following reason: We add the following weak dependency pairs: Strict DPs: { f^#(true(), x, y, z) -> c_1(f^#(and(gt(x, y), gt(x, z)), x, y, s(z))) , f^#(true(), x, y, z) -> c_2(f^#(and(gt(x, y), gt(x, z)), x, s(y), z)) , and^#(x, true()) -> c_3(x) , and^#(x, false()) -> c_4() , gt^#(s(u), s(v)) -> c_5(gt^#(u, v)) , gt^#(s(u), 0()) -> c_6() , gt^#(0(), v) -> c_7() } and mark the set of starting terms. We are left with following problem, upon which TcT provides the certificate MAYBE. Strict DPs: { f^#(true(), x, y, z) -> c_1(f^#(and(gt(x, y), gt(x, z)), x, y, s(z))) , f^#(true(), x, y, z) -> c_2(f^#(and(gt(x, y), gt(x, z)), x, s(y), z)) , and^#(x, true()) -> c_3(x) , and^#(x, false()) -> c_4() , gt^#(s(u), s(v)) -> c_5(gt^#(u, v)) , gt^#(s(u), 0()) -> c_6() , gt^#(0(), v) -> c_7() } Strict Trs: { f(true(), x, y, z) -> f(and(gt(x, y), gt(x, z)), x, y, s(z)) , f(true(), x, y, z) -> f(and(gt(x, y), gt(x, z)), x, s(y), z) , and(x, true()) -> x , and(x, false()) -> false() , gt(s(u), s(v)) -> gt(u, v) , gt(s(u), 0()) -> true() , gt(0(), v) -> false() } Obligation: runtime complexity Answer: MAYBE We estimate the number of application of {4,6,7} by applications of Pre({4,6,7}) = {3,5}. Here rules are labeled as follows: DPs: { 1: f^#(true(), x, y, z) -> c_1(f^#(and(gt(x, y), gt(x, z)), x, y, s(z))) , 2: f^#(true(), x, y, z) -> c_2(f^#(and(gt(x, y), gt(x, z)), x, s(y), z)) , 3: and^#(x, true()) -> c_3(x) , 4: and^#(x, false()) -> c_4() , 5: gt^#(s(u), s(v)) -> c_5(gt^#(u, v)) , 6: gt^#(s(u), 0()) -> c_6() , 7: gt^#(0(), v) -> c_7() } We are left with following problem, upon which TcT provides the certificate MAYBE. Strict DPs: { f^#(true(), x, y, z) -> c_1(f^#(and(gt(x, y), gt(x, z)), x, y, s(z))) , f^#(true(), x, y, z) -> c_2(f^#(and(gt(x, y), gt(x, z)), x, s(y), z)) , and^#(x, true()) -> c_3(x) , gt^#(s(u), s(v)) -> c_5(gt^#(u, v)) } Strict Trs: { f(true(), x, y, z) -> f(and(gt(x, y), gt(x, z)), x, y, s(z)) , f(true(), x, y, z) -> f(and(gt(x, y), gt(x, z)), x, s(y), z) , and(x, true()) -> x , and(x, false()) -> false() , gt(s(u), s(v)) -> gt(u, v) , gt(s(u), 0()) -> true() , gt(0(), v) -> false() } Weak DPs: { and^#(x, false()) -> c_4() , gt^#(s(u), 0()) -> c_6() , gt^#(0(), v) -> c_7() } Obligation: runtime complexity Answer: MAYBE Empty strict component of the problem is NOT empty. Arrrr..