We consider the following Problem: Strict Trs: { active(f(a(), X, X)) -> mark(f(X, b(), b())) , active(b()) -> mark(a()) , mark(f(X1, X2, X3)) -> active(f(X1, mark(X2), X3)) , mark(a()) -> active(a()) , mark(b()) -> active(b()) , f(mark(X1), X2, X3) -> f(X1, X2, X3) , f(X1, mark(X2), X3) -> f(X1, X2, X3) , f(X1, X2, mark(X3)) -> f(X1, X2, X3) , f(active(X1), X2, X3) -> f(X1, X2, X3) , f(X1, active(X2), X3) -> f(X1, X2, X3) , f(X1, X2, active(X3)) -> f(X1, X2, X3)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: We consider the following Problem: Strict Trs: { active(f(a(), X, X)) -> mark(f(X, b(), b())) , active(b()) -> mark(a()) , mark(f(X1, X2, X3)) -> active(f(X1, mark(X2), X3)) , mark(a()) -> active(a()) , mark(b()) -> active(b()) , f(mark(X1), X2, X3) -> f(X1, X2, X3) , f(X1, mark(X2), X3) -> f(X1, X2, X3) , f(X1, X2, mark(X3)) -> f(X1, X2, X3) , f(active(X1), X2, X3) -> f(X1, X2, X3) , f(X1, active(X2), X3) -> f(X1, X2, X3) , f(X1, X2, active(X3)) -> f(X1, X2, X3)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: { f(X1, mark(X2), X3) -> f(X1, X2, X3) , f(X1, active(X2), X3) -> f(X1, X2, X3)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(active) = {1}, Uargs(f) = {2}, Uargs(mark) = {1} 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, x2, x3) = [0 0] x1 + [1 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [1] a() = [0] [0] mark(x1) = [1 0] x1 + [1] [0 0] [1] b() = [0] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { active(f(a(), X, X)) -> mark(f(X, b(), b())) , active(b()) -> mark(a()) , mark(f(X1, X2, X3)) -> active(f(X1, mark(X2), X3)) , mark(a()) -> active(a()) , mark(b()) -> active(b()) , f(mark(X1), X2, X3) -> f(X1, X2, X3) , f(X1, X2, mark(X3)) -> f(X1, X2, X3) , f(active(X1), X2, X3) -> f(X1, X2, X3) , f(X1, X2, active(X3)) -> f(X1, X2, X3)} Weak Trs: { f(X1, mark(X2), X3) -> f(X1, X2, X3) , f(X1, active(X2), X3) -> f(X1, X2, X3)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {active(b()) -> mark(a())} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(active) = {1}, Uargs(f) = {2}, Uargs(mark) = {1} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: active(x1) = [1 1] x1 + [1] [0 0] [1] f(x1, x2, x3) = [0 0] x1 + [1 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [0] a() = [0] [0] mark(x1) = [1 0] x1 + [1] [0 0] [1] b() = [0] [2] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { active(f(a(), X, X)) -> mark(f(X, b(), b())) , mark(f(X1, X2, X3)) -> active(f(X1, mark(X2), X3)) , mark(a()) -> active(a()) , mark(b()) -> active(b()) , f(mark(X1), X2, X3) -> f(X1, X2, X3) , f(X1, X2, mark(X3)) -> f(X1, X2, X3) , f(active(X1), X2, X3) -> f(X1, X2, X3) , f(X1, X2, active(X3)) -> f(X1, X2, X3)} Weak Trs: { active(b()) -> mark(a()) , f(X1, mark(X2), X3) -> f(X1, X2, X3) , f(X1, active(X2), X3) -> f(X1, X2, X3)} 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())} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(active) = {1}, Uargs(f) = {2}, Uargs(mark) = {1} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: active(x1) = [1 2] x1 + [1] [0 0] [1] f(x1, x2, x3) = [0 0] x1 + [1 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [0] a() = [0] [0] mark(x1) = [1 0] x1 + [3] [0 0] [1] b() = [0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { active(f(a(), X, X)) -> mark(f(X, b(), b())) , mark(f(X1, X2, X3)) -> active(f(X1, mark(X2), X3)) , mark(b()) -> active(b()) , f(mark(X1), X2, X3) -> f(X1, X2, X3) , f(X1, X2, mark(X3)) -> f(X1, X2, X3) , f(active(X1), X2, X3) -> f(X1, X2, X3) , f(X1, X2, active(X3)) -> f(X1, X2, X3)} Weak Trs: { mark(a()) -> active(a()) , active(b()) -> mark(a()) , f(X1, mark(X2), X3) -> f(X1, X2, X3) , f(X1, active(X2), X3) -> f(X1, X2, X3)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {mark(b()) -> active(b())} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(active) = {1}, Uargs(f) = {2}, Uargs(mark) = {1} 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, x2, x3) = [0 0] x1 + [1 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [1] a() = [0] [0] mark(x1) = [1 0] x1 + [2] [0 0] [1] b() = [2] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { active(f(a(), X, X)) -> mark(f(X, b(), b())) , mark(f(X1, X2, X3)) -> active(f(X1, mark(X2), X3)) , f(mark(X1), X2, X3) -> f(X1, X2, X3) , f(X1, X2, mark(X3)) -> f(X1, X2, X3) , f(active(X1), X2, X3) -> f(X1, X2, X3) , f(X1, X2, active(X3)) -> f(X1, X2, X3)} Weak Trs: { mark(b()) -> active(b()) , mark(a()) -> active(a()) , active(b()) -> mark(a()) , f(X1, mark(X2), X3) -> f(X1, X2, X3) , f(X1, active(X2), X3) -> f(X1, X2, X3)} 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(a(), X, X)) -> mark(f(X, b(), b()))} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(active) = {1}, Uargs(f) = {2}, Uargs(mark) = {1} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: active(x1) = [1 2] x1 + [0] [0 0] [1] f(x1, x2, x3) = [0 0] x1 + [1 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [2] a() = [0] [0] mark(x1) = [1 0] x1 + [0] [0 0] [1] b() = [0] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { mark(f(X1, X2, X3)) -> active(f(X1, mark(X2), X3)) , f(mark(X1), X2, X3) -> f(X1, X2, X3) , f(X1, X2, mark(X3)) -> f(X1, X2, X3) , f(active(X1), X2, X3) -> f(X1, X2, X3) , f(X1, X2, active(X3)) -> f(X1, X2, X3)} Weak Trs: { active(f(a(), X, X)) -> mark(f(X, b(), b())) , mark(b()) -> active(b()) , mark(a()) -> active(a()) , active(b()) -> mark(a()) , f(X1, mark(X2), X3) -> f(X1, X2, X3) , f(X1, active(X2), X3) -> f(X1, X2, X3)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {f(X1, X2, mark(X3)) -> f(X1, X2, X3)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(active) = {1}, Uargs(f) = {2}, Uargs(mark) = {1} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: active(x1) = [1 3] x1 + [0] [0 0] [0] f(x1, x2, x3) = [0 0] x1 + [1 0] x2 + [1 0] x3 + [0] [0 0] [0 0] [0 0] [2] a() = [1] [0] mark(x1) = [1 0] x1 + [3] [0 0] [0] b() = [1] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { mark(f(X1, X2, X3)) -> active(f(X1, mark(X2), X3)) , f(mark(X1), X2, X3) -> f(X1, X2, X3) , f(active(X1), X2, X3) -> f(X1, X2, X3) , f(X1, X2, active(X3)) -> f(X1, X2, X3)} Weak Trs: { f(X1, X2, mark(X3)) -> f(X1, X2, X3) , active(f(a(), X, X)) -> mark(f(X, b(), b())) , mark(b()) -> active(b()) , mark(a()) -> active(a()) , active(b()) -> mark(a()) , f(X1, mark(X2), X3) -> f(X1, X2, X3) , f(X1, active(X2), X3) -> f(X1, X2, X3)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {f(X1, X2, active(X3)) -> f(X1, X2, X3)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(active) = {1}, Uargs(f) = {2}, Uargs(mark) = {1} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: active(x1) = [1 0] x1 + [0] [0 1] [2] f(x1, x2, x3) = [0 0] x1 + [1 0] x2 + [0 2] x3 + [0] [0 0] [0 0] [0 0] [0] a() = [0] [0] mark(x1) = [1 0] x1 + [0] [0 1] [2] b() = [0] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { mark(f(X1, X2, X3)) -> active(f(X1, mark(X2), X3)) , f(mark(X1), X2, X3) -> f(X1, X2, X3) , f(active(X1), X2, X3) -> f(X1, X2, X3)} Weak Trs: { f(X1, X2, active(X3)) -> f(X1, X2, X3) , f(X1, X2, mark(X3)) -> f(X1, X2, X3) , active(f(a(), X, X)) -> mark(f(X, b(), b())) , mark(b()) -> active(b()) , mark(a()) -> active(a()) , active(b()) -> mark(a()) , f(X1, mark(X2), X3) -> f(X1, X2, X3) , f(X1, active(X2), X3) -> f(X1, X2, X3)} 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(X1), X2, X3) -> f(X1, X2, X3) , f(active(X1), X2, X3) -> f(X1, X2, X3)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(active) = {1}, Uargs(f) = {2}, Uargs(mark) = {1} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: active(x1) = [1 0] x1 + [0] [0 1] [1] f(x1, x2, x3) = [0 2] x1 + [1 0] x2 + [0 2] x3 + [0] [0 0] [0 0] [0 0] [0] a() = [0] [0] mark(x1) = [1 0] x1 + [0] [0 1] [1] b() = [0] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: {mark(f(X1, X2, X3)) -> active(f(X1, mark(X2), X3))} Weak Trs: { f(mark(X1), X2, X3) -> f(X1, X2, X3) , f(active(X1), X2, X3) -> f(X1, X2, X3) , f(X1, X2, active(X3)) -> f(X1, X2, X3) , f(X1, X2, mark(X3)) -> f(X1, X2, X3) , active(f(a(), X, X)) -> mark(f(X, b(), b())) , mark(b()) -> active(b()) , mark(a()) -> active(a()) , active(b()) -> mark(a()) , f(X1, mark(X2), X3) -> f(X1, X2, X3) , f(X1, active(X2), X3) -> f(X1, X2, X3)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: We consider the following Problem: Strict Trs: {mark(f(X1, X2, X3)) -> active(f(X1, mark(X2), X3))} Weak Trs: { f(mark(X1), X2, X3) -> f(X1, X2, X3) , f(active(X1), X2, X3) -> f(X1, X2, X3) , f(X1, X2, active(X3)) -> f(X1, X2, X3) , f(X1, X2, mark(X3)) -> f(X1, X2, X3) , active(f(a(), X, X)) -> mark(f(X, b(), b())) , mark(b()) -> active(b()) , mark(a()) -> active(a()) , active(b()) -> mark(a()) , f(X1, mark(X2), X3) -> f(X1, X2, X3) , f(X1, active(X2), X3) -> f(X1, X2, X3)} 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, 2, 2) -> 1 , a_0() -> 2 , mark_0(2) -> 1 , b_0() -> 2} Hurray, we answered YES(?,O(n^1))