We consider the following Problem: Strict Trs: { active(f(f(a()))) -> mark(f(g(f(a())))) , mark(f(X)) -> active(f(mark(X))) , mark(a()) -> active(a()) , mark(g(X)) -> active(g(X)) , f(mark(X)) -> f(X) , f(active(X)) -> f(X) , g(mark(X)) -> g(X) , g(active(X)) -> g(X)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: We consider the following Problem: Strict Trs: { active(f(f(a()))) -> mark(f(g(f(a())))) , mark(f(X)) -> active(f(mark(X))) , mark(a()) -> active(a()) , mark(g(X)) -> active(g(X)) , f(mark(X)) -> f(X) , f(active(X)) -> f(X) , g(mark(X)) -> g(X) , g(active(X)) -> g(X)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: { f(mark(X)) -> f(X) , f(active(X)) -> f(X)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(active) = {1}, Uargs(f) = {1}, Uargs(mark) = {}, Uargs(g) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: active(x1) = [1 0] x1 + [1] [0 0] [1] f(x1) = [1 0] x1 + [0] [0 0] [1] a() = [0] [0] mark(x1) = [1 0] x1 + [1] [0 0] [1] g(x1) = [0 0] x1 + [0] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { active(f(f(a()))) -> mark(f(g(f(a())))) , mark(f(X)) -> active(f(mark(X))) , mark(a()) -> active(a()) , mark(g(X)) -> active(g(X)) , g(mark(X)) -> g(X) , g(active(X)) -> g(X)} Weak Trs: { f(mark(X)) -> f(X) , f(active(X)) -> f(X)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: { mark(a()) -> active(a()) , mark(g(X)) -> active(g(X))} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(active) = {1}, Uargs(f) = {1}, Uargs(mark) = {}, Uargs(g) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: active(x1) = [1 0] x1 + [1] [0 0] [1] f(x1) = [1 0] x1 + [0] [0 0] [1] a() = [0] [0] mark(x1) = [1 0] x1 + [3] [0 0] [1] g(x1) = [0 0] x1 + [0] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { active(f(f(a()))) -> mark(f(g(f(a())))) , mark(f(X)) -> active(f(mark(X))) , g(mark(X)) -> g(X) , g(active(X)) -> g(X)} Weak Trs: { mark(a()) -> active(a()) , mark(g(X)) -> active(g(X)) , f(mark(X)) -> f(X) , f(active(X)) -> f(X)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {active(f(f(a()))) -> mark(f(g(f(a()))))} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(active) = {1}, Uargs(f) = {1}, Uargs(mark) = {}, Uargs(g) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: active(x1) = [1 0] x1 + [0] [0 1] [0] f(x1) = [1 0] x1 + [3] [0 0] [1] a() = [3] [0] mark(x1) = [1 0] x1 + [1] [0 0] [1] g(x1) = [0 0] x1 + [1] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { mark(f(X)) -> active(f(mark(X))) , g(mark(X)) -> g(X) , g(active(X)) -> g(X)} Weak Trs: { active(f(f(a()))) -> mark(f(g(f(a())))) , mark(a()) -> active(a()) , mark(g(X)) -> active(g(X)) , f(mark(X)) -> f(X) , f(active(X)) -> f(X)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: { g(mark(X)) -> g(X) , g(active(X)) -> g(X)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(active) = {1}, Uargs(f) = {1}, Uargs(mark) = {}, Uargs(g) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: active(x1) = [1 0] x1 + [1] [0 1] [0] f(x1) = [1 0] x1 + [0] [0 0] [1] a() = [0] [0] mark(x1) = [1 0] x1 + [1] [0 0] [1] g(x1) = [1 0] x1 + [0] [0 0] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: {mark(f(X)) -> active(f(mark(X)))} Weak Trs: { g(mark(X)) -> g(X) , g(active(X)) -> g(X) , active(f(f(a()))) -> mark(f(g(f(a())))) , mark(a()) -> active(a()) , mark(g(X)) -> active(g(X)) , f(mark(X)) -> f(X) , f(active(X)) -> f(X)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: We consider the following Problem: Strict Trs: {mark(f(X)) -> active(f(mark(X)))} Weak Trs: { g(mark(X)) -> g(X) , g(active(X)) -> g(X) , active(f(f(a()))) -> mark(f(g(f(a())))) , mark(a()) -> active(a()) , mark(g(X)) -> active(g(X)) , f(mark(X)) -> f(X) , f(active(X)) -> f(X)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The problem is match-bounded by 0. The enriched problem is compatible with the following automaton: { active_0(2) -> 1 , f_0(2) -> 1 , a_0() -> 2 , mark_0(2) -> 1 , g_0(2) -> 1} Hurray, we answered YES(?,O(n^1))