MAYBE We are left with following problem, upon which TcT provides the certificate MAYBE. Strict Trs: { le(0(), y) -> true() , le(s(x), 0()) -> false() , le(s(x), s(y)) -> le(x, y) , minus(x, 0()) -> x , minus(s(x), s(y)) -> minus(x, y) , mod(0(), y) -> 0() , mod(s(x), 0()) -> 0() , mod(s(x), s(y)) -> if_mod(le(y, x), s(x), s(y)) , if_mod(true(), x, y) -> mod(minus(x, y), y) , if_mod(false(), s(x), s(y)) -> s(x) } Obligation: runtime complexity Answer: MAYBE None of the processors succeeded. Details of failed attempt(s): ----------------------------- 1) 'WithProblem (timeout of 60 seconds)' failed due to the following reason: Computation stopped due to timeout after 60.0 seconds. 2) '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) '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 2) '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 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. 3) 'Innermost Weak Dependency Pairs (timeout of 60 seconds)' failed due to the following reason: We add the following weak dependency pairs: Strict DPs: { le^#(0(), y) -> c_1() , le^#(s(x), 0()) -> c_2() , le^#(s(x), s(y)) -> c_3(le^#(x, y)) , minus^#(x, 0()) -> c_4(x) , minus^#(s(x), s(y)) -> c_5(minus^#(x, y)) , mod^#(0(), y) -> c_6() , mod^#(s(x), 0()) -> c_7() , mod^#(s(x), s(y)) -> c_8(if_mod^#(le(y, x), s(x), s(y))) , if_mod^#(true(), x, y) -> c_9(mod^#(minus(x, y), y)) , if_mod^#(false(), s(x), s(y)) -> c_10(x) } and mark the set of starting terms. We are left with following problem, upon which TcT provides the certificate MAYBE. Strict DPs: { le^#(0(), y) -> c_1() , le^#(s(x), 0()) -> c_2() , le^#(s(x), s(y)) -> c_3(le^#(x, y)) , minus^#(x, 0()) -> c_4(x) , minus^#(s(x), s(y)) -> c_5(minus^#(x, y)) , mod^#(0(), y) -> c_6() , mod^#(s(x), 0()) -> c_7() , mod^#(s(x), s(y)) -> c_8(if_mod^#(le(y, x), s(x), s(y))) , if_mod^#(true(), x, y) -> c_9(mod^#(minus(x, y), y)) , if_mod^#(false(), s(x), s(y)) -> c_10(x) } Strict Trs: { le(0(), y) -> true() , le(s(x), 0()) -> false() , le(s(x), s(y)) -> le(x, y) , minus(x, 0()) -> x , minus(s(x), s(y)) -> minus(x, y) , mod(0(), y) -> 0() , mod(s(x), 0()) -> 0() , mod(s(x), s(y)) -> if_mod(le(y, x), s(x), s(y)) , if_mod(true(), x, y) -> mod(minus(x, y), y) , if_mod(false(), s(x), s(y)) -> s(x) } Obligation: runtime complexity Answer: MAYBE We estimate the number of application of {1,2,6,7} by applications of Pre({1,2,6,7}) = {3,4,9,10}. Here rules are labeled as follows: DPs: { 1: le^#(0(), y) -> c_1() , 2: le^#(s(x), 0()) -> c_2() , 3: le^#(s(x), s(y)) -> c_3(le^#(x, y)) , 4: minus^#(x, 0()) -> c_4(x) , 5: minus^#(s(x), s(y)) -> c_5(minus^#(x, y)) , 6: mod^#(0(), y) -> c_6() , 7: mod^#(s(x), 0()) -> c_7() , 8: mod^#(s(x), s(y)) -> c_8(if_mod^#(le(y, x), s(x), s(y))) , 9: if_mod^#(true(), x, y) -> c_9(mod^#(minus(x, y), y)) , 10: if_mod^#(false(), s(x), s(y)) -> c_10(x) } We are left with following problem, upon which TcT provides the certificate MAYBE. Strict DPs: { le^#(s(x), s(y)) -> c_3(le^#(x, y)) , minus^#(x, 0()) -> c_4(x) , minus^#(s(x), s(y)) -> c_5(minus^#(x, y)) , mod^#(s(x), s(y)) -> c_8(if_mod^#(le(y, x), s(x), s(y))) , if_mod^#(true(), x, y) -> c_9(mod^#(minus(x, y), y)) , if_mod^#(false(), s(x), s(y)) -> c_10(x) } Strict Trs: { le(0(), y) -> true() , le(s(x), 0()) -> false() , le(s(x), s(y)) -> le(x, y) , minus(x, 0()) -> x , minus(s(x), s(y)) -> minus(x, y) , mod(0(), y) -> 0() , mod(s(x), 0()) -> 0() , mod(s(x), s(y)) -> if_mod(le(y, x), s(x), s(y)) , if_mod(true(), x, y) -> mod(minus(x, y), y) , if_mod(false(), s(x), s(y)) -> s(x) } Weak DPs: { le^#(0(), y) -> c_1() , le^#(s(x), 0()) -> c_2() , mod^#(0(), y) -> c_6() , mod^#(s(x), 0()) -> c_7() } Obligation: runtime complexity Answer: MAYBE Empty strict component of the problem is NOT empty. Arrrr..