We consider the following Problem: Strict Trs: { h(c(x, y), c(s(z), z), t(w)) -> h(z, c(y, x), t(t(c(x, c(y, t(w)))))) , h(x, c(y, z), t(w)) -> h(c(s(y), x), z, t(c(t(w), w))) , h(c(s(x), c(s(0()), y)), z, t(x)) -> h(y, c(s(0()), c(x, z)), t(t(c(x, s(x))))) , t(t(x)) -> t(c(t(x), x)) , t(x) -> x , t(x) -> c(0(), c(0(), c(0(), c(0(), c(0(), x)))))} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: Arguments of following rules are not normal-forms: { h(c(x, y), c(s(z), z), t(w)) -> h(z, c(y, x), t(t(c(x, c(y, t(w)))))) , h(x, c(y, z), t(w)) -> h(c(s(y), x), z, t(c(t(w), w))) , h(c(s(x), c(s(0()), y)), z, t(x)) -> h(y, c(s(0()), c(x, z)), t(t(c(x, s(x))))) , t(t(x)) -> t(c(t(x), x))} All above mentioned rules can be savely removed. We consider the following Problem: Strict Trs: { t(x) -> x , t(x) -> c(0(), c(0(), c(0(), c(0(), c(0(), x)))))} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {t(x) -> c(0(), c(0(), c(0(), c(0(), c(0(), x)))))} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(h) = {}, Uargs(c) = {}, Uargs(s) = {}, Uargs(t) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: h(x1, x2, x3) = [0 0] x1 + [0 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [0] c(x1, x2) = [0 0] x1 + [0 2] x2 + [1] [0 0] [0 0] [0] s(x1) = [0 0] x1 + [0] [0 0] [0] t(x1) = [1 0] x1 + [2] [0 0] [0] 0() = [0] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: {t(x) -> x} Weak Trs: {t(x) -> c(0(), c(0(), c(0(), c(0(), c(0(), x)))))} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {t(x) -> x} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(h) = {}, Uargs(c) = {}, Uargs(s) = {}, Uargs(t) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: h(x1, x2, x3) = [1 0] x1 + [0 0] x2 + [0 0] x3 + [0] [0 1] [0 0] [0 0] [0] c(x1, x2) = [0 0] x1 + [0 2] x2 + [1] [0 0] [0 0] [0] s(x1) = [0 0] x1 + [0] [0 0] [0] t(x1) = [1 0] x1 + [2] [0 1] [0] 0() = [0] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Weak Trs: { t(x) -> x , t(x) -> c(0(), c(0(), c(0(), c(0(), c(0(), x)))))} StartTerms: basic terms Strategy: innermost Certificate: YES(O(1),O(1)) Proof: We consider the following Problem: Weak Trs: { t(x) -> x , t(x) -> c(0(), c(0(), c(0(), c(0(), c(0(), x)))))} StartTerms: basic terms Strategy: innermost Certificate: YES(O(1),O(1)) Proof: Empty rules are trivially bounded Hurray, we answered YES(?,O(n^1))