We consider the following Problem: Strict Trs: { a__minus(0(), Y) -> 0() , a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__div(0(), s(Y)) -> 0() , a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , a__if(true(), X, Y) -> mark(X) , a__if(false(), X, Y) -> mark(Y) , mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(div(X1, X2)) -> a__div(mark(X1), X2) , mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , mark(0()) -> 0() , mark(s(X)) -> s(mark(X)) , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2) , a__if(X1, X2, X3) -> if(X1, X2, X3)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: We consider the following Problem: Strict Trs: { a__minus(0(), Y) -> 0() , a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__div(0(), s(Y)) -> 0() , a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , a__if(true(), X, Y) -> mark(X) , a__if(false(), X, Y) -> mark(Y) , mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(div(X1, X2)) -> a__div(mark(X1), X2) , mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , mark(0()) -> 0() , mark(s(X)) -> s(mark(X)) , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2) , a__if(X1, X2, X3) -> if(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: { a__minus(0(), Y) -> 0() , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__div(0(), s(Y)) -> 0() , mark(0()) -> 0() , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(a__minus) = {}, Uargs(s) = {1}, Uargs(a__geq) = {}, Uargs(a__div) = {1}, Uargs(a__if) = {1}, Uargs(div) = {}, Uargs(minus) = {}, Uargs(mark) = {}, Uargs(geq) = {}, Uargs(if) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: a__minus(x1, x2) = [0 0] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] 0() = [0] [0] s(x1) = [1 2] x1 + [0] [0 0] [1] a__geq(x1, x2) = [0 0] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] true() = [0] [0] false() = [0] [0] a__div(x1, x2) = [1 0] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] a__if(x1, x2, x3) = [1 0] x1 + [0 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [1] div(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] minus(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] mark(x1) = [0 0] x1 + [1] [0 0] [1] geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] if(x1, x2, x3) = [0 0] x1 + [0 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , a__if(true(), X, Y) -> mark(X) , a__if(false(), X, Y) -> mark(Y) , mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(div(X1, X2)) -> a__div(mark(X1), X2) , mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , mark(s(X)) -> s(mark(X)) , a__if(X1, X2, X3) -> if(X1, X2, X3)} Weak Trs: { a__minus(0(), Y) -> 0() , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__div(0(), s(Y)) -> 0() , mark(0()) -> 0() , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(a__minus) = {}, Uargs(s) = {1}, Uargs(a__geq) = {}, Uargs(a__div) = {1}, Uargs(a__if) = {1}, Uargs(div) = {}, Uargs(minus) = {}, Uargs(mark) = {}, Uargs(geq) = {}, Uargs(if) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: a__minus(x1, x2) = [0 0] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] 0() = [0] [0] s(x1) = [1 0] x1 + [0] [0 0] [2] a__geq(x1, x2) = [0 0] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] true() = [0] [0] false() = [0] [0] a__div(x1, x2) = [1 0] x1 + [0 1] x2 + [1] [0 0] [0 0] [1] a__if(x1, x2, x3) = [1 0] x1 + [0 0] x2 + [1 0] x3 + [0] [0 0] [1 0] [0 0] [1] div(x1, x2) = [1 0] x1 + [0 1] x2 + [0] [0 0] [0 0] [0] minus(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] mark(x1) = [1 0] x1 + [1] [0 1] [1] geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] if(x1, x2, x3) = [1 0] x1 + [0 0] x2 + [1 0] x3 + [2] [0 0] [1 0] [0 0] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , a__if(true(), X, Y) -> mark(X) , a__if(false(), X, Y) -> mark(Y) , mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(div(X1, X2)) -> a__div(mark(X1), X2) , mark(s(X)) -> s(mark(X)) , a__if(X1, X2, X3) -> if(X1, X2, X3)} Weak Trs: { mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , a__minus(0(), Y) -> 0() , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__div(0(), s(Y)) -> 0() , mark(0()) -> 0() , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {mark(geq(X1, X2)) -> a__geq(X1, X2)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(a__minus) = {}, Uargs(s) = {1}, Uargs(a__geq) = {}, Uargs(a__div) = {1}, Uargs(a__if) = {1}, Uargs(div) = {}, Uargs(minus) = {}, Uargs(mark) = {}, Uargs(geq) = {}, Uargs(if) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: a__minus(x1, x2) = [0 0] x1 + [0 0] x2 + [3] [0 0] [0 0] [3] 0() = [3] [3] s(x1) = [1 0] x1 + [0] [0 0] [2] a__geq(x1, x2) = [0 0] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] true() = [0] [0] false() = [0] [0] a__div(x1, x2) = [1 0] x1 + [0 0] x2 + [1] [1 1] [0 1] [1] a__if(x1, x2, x3) = [1 0] x1 + [0 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [1] div(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] minus(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] mark(x1) = [0 0] x1 + [3] [1 0] [1] geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] if(x1, x2, x3) = [0 0] x1 + [0 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , a__if(true(), X, Y) -> mark(X) , a__if(false(), X, Y) -> mark(Y) , mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(div(X1, X2)) -> a__div(mark(X1), X2) , mark(s(X)) -> s(mark(X)) , a__if(X1, X2, X3) -> if(X1, X2, X3)} Weak Trs: { mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , a__minus(0(), Y) -> 0() , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__div(0(), s(Y)) -> 0() , mark(0()) -> 0() , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {mark(minus(X1, X2)) -> a__minus(X1, X2)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(a__minus) = {}, Uargs(s) = {1}, Uargs(a__geq) = {}, Uargs(a__div) = {1}, Uargs(a__if) = {1}, Uargs(div) = {}, Uargs(minus) = {}, Uargs(mark) = {}, Uargs(geq) = {}, Uargs(if) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: a__minus(x1, x2) = [0 0] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] 0() = [0] [0] s(x1) = [1 2] x1 + [0] [0 0] [0] a__geq(x1, x2) = [0 0] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] true() = [0] [0] false() = [0] [0] a__div(x1, x2) = [1 1] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] a__if(x1, x2, x3) = [1 0] x1 + [0 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [1] div(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] minus(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] mark(x1) = [0 0] x1 + [3] [0 0] [1] geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] if(x1, x2, x3) = [0 0] x1 + [0 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , a__if(true(), X, Y) -> mark(X) , a__if(false(), X, Y) -> mark(Y) , mark(div(X1, X2)) -> a__div(mark(X1), X2) , mark(s(X)) -> s(mark(X)) , a__if(X1, X2, X3) -> if(X1, X2, X3)} Weak Trs: { mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , a__minus(0(), Y) -> 0() , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__div(0(), s(Y)) -> 0() , mark(0()) -> 0() , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0())} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(a__minus) = {}, Uargs(s) = {1}, Uargs(a__geq) = {}, Uargs(a__div) = {1}, Uargs(a__if) = {1}, Uargs(div) = {}, Uargs(minus) = {}, Uargs(mark) = {}, Uargs(geq) = {}, Uargs(if) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: a__minus(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] 0() = [0] [0] s(x1) = [1 2] x1 + [0] [0 0] [1] a__geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] true() = [0] [0] false() = [0] [0] a__div(x1, x2) = [1 1] x1 + [0 0] x2 + [0] [0 0] [0 1] [0] a__if(x1, x2, x3) = [1 0] x1 + [0 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [0] div(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] minus(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] mark(x1) = [0 0] x1 + [0] [0 0] [0] geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] if(x1, x2, x3) = [0 0] x1 + [0 0] x2 + [0 0] x3 + [0] [0 0] [0 0] [0 0] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__if(true(), X, Y) -> mark(X) , a__if(false(), X, Y) -> mark(Y) , mark(div(X1, X2)) -> a__div(mark(X1), X2) , mark(s(X)) -> s(mark(X)) , a__if(X1, X2, X3) -> if(X1, X2, X3)} Weak Trs: { a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , a__minus(0(), Y) -> 0() , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__div(0(), s(Y)) -> 0() , mark(0()) -> 0() , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {a__geq(s(X), s(Y)) -> a__geq(X, Y)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(a__minus) = {}, Uargs(s) = {1}, Uargs(a__geq) = {}, Uargs(a__div) = {1}, Uargs(a__if) = {1}, Uargs(div) = {}, Uargs(minus) = {}, Uargs(mark) = {}, Uargs(geq) = {}, Uargs(if) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: a__minus(x1, x2) = [0 0] x1 + [0 0] x2 + [2] [0 0] [0 0] [3] 0() = [0] [2] s(x1) = [1 0] x1 + [0] [0 1] [2] a__geq(x1, x2) = [0 0] x1 + [0 2] x2 + [0] [0 0] [0 0] [3] true() = [1] [3] false() = [1] [3] a__div(x1, x2) = [1 0] x1 + [1 2] x2 + [0] [0 1] [0 0] [1] a__if(x1, x2, x3) = [1 0] x1 + [0 0] x2 + [1 1] x3 + [0] [0 0] [0 0] [0 0] [0] div(x1, x2) = [1 0] x1 + [1 2] x2 + [0] [0 1] [0 0] [0] minus(x1, x2) = [0 0] x1 + [0 0] x2 + [2] [0 0] [0 0] [3] mark(x1) = [1 1] x1 + [0] [0 0] [3] geq(x1, x2) = [0 0] x1 + [0 2] x2 + [0] [0 0] [0 0] [0] if(x1, x2, x3) = [1 0] x1 + [0 0] x2 + [1 0] x3 + [2] [0 1] [0 0] [0 1] [3] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__if(true(), X, Y) -> mark(X) , a__if(false(), X, Y) -> mark(Y) , mark(div(X1, X2)) -> a__div(mark(X1), X2) , mark(s(X)) -> s(mark(X)) , a__if(X1, X2, X3) -> if(X1, X2, X3)} Weak Trs: { a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , a__minus(0(), Y) -> 0() , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__div(0(), s(Y)) -> 0() , mark(0()) -> 0() , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {a__if(false(), X, Y) -> mark(Y)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(a__minus) = {}, Uargs(s) = {1}, Uargs(a__geq) = {}, Uargs(a__div) = {1}, Uargs(a__if) = {1}, Uargs(div) = {}, Uargs(minus) = {}, Uargs(mark) = {}, Uargs(geq) = {}, Uargs(if) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: a__minus(x1, x2) = [0 0] x1 + [0 0] x2 + [2] [0 0] [0 0] [2] 0() = [0] [0] s(x1) = [1 0] x1 + [0] [0 1] [1] a__geq(x1, x2) = [0 0] x1 + [0 0] x2 + [1] [0 0] [0 0] [2] true() = [0] [0] false() = [1] [2] a__div(x1, x2) = [1 2] x1 + [0 0] x2 + [0] [0 0] [0 1] [1] a__if(x1, x2, x3) = [1 0] x1 + [0 0] x2 + [1 2] x3 + [0] [0 1] [0 0] [0 0] [0] div(x1, x2) = [1 2] x1 + [0 0] x2 + [0] [0 0] [0 0] [1] minus(x1, x2) = [0 0] x1 + [0 0] x2 + [2] [0 0] [0 0] [2] mark(x1) = [1 1] x1 + [0] [0 0] [2] geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [2] if(x1, x2, x3) = [1 0] x1 + [0 0] x2 + [1 2] x3 + [3] [0 1] [0 0] [0 0] [2] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__if(true(), X, Y) -> mark(X) , mark(div(X1, X2)) -> a__div(mark(X1), X2) , mark(s(X)) -> s(mark(X)) , a__if(X1, X2, X3) -> if(X1, X2, X3)} Weak Trs: { a__if(false(), X, Y) -> mark(Y) , a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , a__minus(0(), Y) -> 0() , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__div(0(), s(Y)) -> 0() , mark(0()) -> 0() , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {a__minus(s(X), s(Y)) -> a__minus(X, Y)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(a__minus) = {}, Uargs(s) = {1}, Uargs(a__geq) = {}, Uargs(a__div) = {1}, Uargs(a__if) = {1}, Uargs(div) = {}, Uargs(minus) = {}, Uargs(mark) = {}, Uargs(geq) = {}, Uargs(if) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: a__minus(x1, x2) = [1 1] x1 + [0 0] x2 + [3] [0 0] [0 0] [0] 0() = [0] [0] s(x1) = [1 0] x1 + [0] [0 1] [1] a__geq(x1, x2) = [0 0] x1 + [0 0] x2 + [3] [0 0] [0 0] [1] true() = [3] [1] false() = [0] [0] a__div(x1, x2) = [1 0] x1 + [0 1] x2 + [2] [0 1] [0 1] [3] a__if(x1, x2, x3) = [1 0] x1 + [0 0] x2 + [1 1] x3 + [0] [0 0] [0 0] [0 0] [1] div(x1, x2) = [1 0] x1 + [0 1] x2 + [0] [0 1] [0 1] [0] minus(x1, x2) = [1 1] x1 + [0 0] x2 + [3] [0 0] [0 0] [0] mark(x1) = [1 1] x1 + [0] [0 0] [1] geq(x1, x2) = [0 0] x1 + [0 0] x2 + [3] [0 0] [0 0] [1] if(x1, x2, x3) = [1 0] x1 + [0 0] x2 + [1 0] x3 + [2] [0 1] [0 0] [0 1] [2] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { a__if(true(), X, Y) -> mark(X) , mark(div(X1, X2)) -> a__div(mark(X1), X2) , mark(s(X)) -> s(mark(X)) , a__if(X1, X2, X3) -> if(X1, X2, X3)} Weak Trs: { a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__if(false(), X, Y) -> mark(Y) , a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , a__minus(0(), Y) -> 0() , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__div(0(), s(Y)) -> 0() , mark(0()) -> 0() , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {a__if(true(), X, Y) -> mark(X)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(a__minus) = {}, Uargs(s) = {1}, Uargs(a__geq) = {}, Uargs(a__div) = {1}, Uargs(a__if) = {1}, Uargs(div) = {}, Uargs(minus) = {}, Uargs(mark) = {}, Uargs(geq) = {}, Uargs(if) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: a__minus(x1, x2) = [0 0] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] 0() = [0] [0] s(x1) = [1 0] x1 + [1] [0 1] [0] a__geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [2] true() = [0] [2] false() = [0] [2] a__div(x1, x2) = [1 0] x1 + [0 0] x2 + [3] [0 1] [0 0] [3] a__if(x1, x2, x3) = [1 2] x1 + [0 2] x2 + [0 2] x3 + [0] [0 0] [0 0] [0 0] [2] div(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 1] [0 0] [0] minus(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] mark(x1) = [0 2] x1 + [2] [0 0] [2] geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] if(x1, x2, x3) = [0 0] x1 + [0 0] x2 + [0 0] x3 + [0] [0 1] [0 1] [0 1] [3] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { mark(div(X1, X2)) -> a__div(mark(X1), X2) , mark(s(X)) -> s(mark(X)) , a__if(X1, X2, X3) -> if(X1, X2, X3)} Weak Trs: { a__if(true(), X, Y) -> mark(X) , a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__if(false(), X, Y) -> mark(Y) , a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , a__minus(0(), Y) -> 0() , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__div(0(), s(Y)) -> 0() , mark(0()) -> 0() , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {a__if(X1, X2, X3) -> if(X1, X2, X3)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(a__minus) = {}, Uargs(s) = {1}, Uargs(a__geq) = {}, Uargs(a__div) = {1}, Uargs(a__if) = {1}, Uargs(div) = {}, Uargs(minus) = {}, Uargs(mark) = {}, Uargs(geq) = {}, Uargs(if) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: a__minus(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] 0() = [0] [0] s(x1) = [1 0] x1 + [1] [0 1] [0] a__geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [1] true() = [0] [0] false() = [0] [0] a__div(x1, x2) = [1 0] x1 + [0 0] x2 + [0] [0 1] [0 0] [3] a__if(x1, x2, x3) = [1 0] x1 + [0 1] x2 + [0 1] x3 + [1] [0 1] [0 1] [0 1] [2] div(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 1] [0 0] [0] minus(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] mark(x1) = [0 1] x1 + [0] [0 1] [0] geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [1] if(x1, x2, x3) = [0 0] x1 + [0 0] x2 + [0 0] x3 + [0] [0 1] [0 1] [0 1] [2] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { mark(div(X1, X2)) -> a__div(mark(X1), X2) , mark(s(X)) -> s(mark(X))} Weak Trs: { a__if(X1, X2, X3) -> if(X1, X2, X3) , a__if(true(), X, Y) -> mark(X) , a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__if(false(), X, Y) -> mark(Y) , a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , a__minus(0(), Y) -> 0() , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__div(0(), s(Y)) -> 0() , mark(0()) -> 0() , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {mark(div(X1, X2)) -> a__div(mark(X1), X2)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(a__minus) = {}, Uargs(s) = {1}, Uargs(a__geq) = {}, Uargs(a__div) = {1}, Uargs(a__if) = {1}, Uargs(div) = {}, Uargs(minus) = {}, Uargs(mark) = {}, Uargs(geq) = {}, Uargs(if) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: a__minus(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] 0() = [0] [0] s(x1) = [1 0] x1 + [1] [0 1] [0] a__geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] true() = [0] [0] false() = [0] [0] a__div(x1, x2) = [1 0] x1 + [0 0] x2 + [1] [0 1] [0 0] [2] a__if(x1, x2, x3) = [1 0] x1 + [0 1] x2 + [0 1] x3 + [0] [0 1] [0 1] [0 1] [0] div(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 1] [0 0] [2] minus(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] mark(x1) = [0 1] x1 + [0] [0 1] [0] geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] if(x1, x2, x3) = [0 0] x1 + [0 0] x2 + [0 0] x3 + [0] [0 1] [0 1] [0 1] [0] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: {mark(s(X)) -> s(mark(X))} Weak Trs: { mark(div(X1, X2)) -> a__div(mark(X1), X2) , a__if(X1, X2, X3) -> if(X1, X2, X3) , a__if(true(), X, Y) -> mark(X) , a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__if(false(), X, Y) -> mark(Y) , a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , a__minus(0(), Y) -> 0() , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__div(0(), s(Y)) -> 0() , mark(0()) -> 0() , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: We consider the following Problem: Strict Trs: {mark(s(X)) -> s(mark(X))} Weak Trs: { mark(div(X1, X2)) -> a__div(mark(X1), X2) , a__if(X1, X2, X3) -> if(X1, X2, X3) , a__if(true(), X, Y) -> mark(X) , a__minus(s(X), s(Y)) -> a__minus(X, Y) , a__if(false(), X, Y) -> mark(Y) , a__geq(s(X), s(Y)) -> a__geq(X, Y) , a__div(s(X), s(Y)) -> a__if(a__geq(X, Y), s(div(minus(X, Y), s(Y))), 0()) , mark(minus(X1, X2)) -> a__minus(X1, X2) , mark(geq(X1, X2)) -> a__geq(X1, X2) , mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) , a__minus(0(), Y) -> 0() , a__geq(X, 0()) -> true() , a__geq(0(), s(Y)) -> false() , a__div(0(), s(Y)) -> 0() , mark(0()) -> 0() , mark(true()) -> true() , mark(false()) -> false() , a__minus(X1, X2) -> minus(X1, X2) , a__geq(X1, X2) -> geq(X1, X2) , a__div(X1, X2) -> div(X1, X2)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^1)) Proof: The following argument positions are usable: Uargs(a__minus) = {}, Uargs(s) = {1}, Uargs(a__geq) = {}, Uargs(a__div) = {1}, Uargs(a__if) = {1}, Uargs(div) = {}, Uargs(minus) = {}, Uargs(mark) = {}, Uargs(geq) = {}, Uargs(if) = {} We have the following constructor-based EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: a__minus(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] 0() = [0] [0] s(x1) = [1 1] x1 + [0] [0 0] [1] a__geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] true() = [0] [0] false() = [0] [0] a__div(x1, x2) = [1 3] x1 + [0 2] x2 + [0] [0 0] [0 1] [0] a__if(x1, x2, x3) = [1 0] x1 + [3 2] x2 + [3 2] x3 + [0] [0 1] [0 1] [0 1] [0] div(x1, x2) = [1 3] x1 + [0 0] x2 + [0] [0 0] [0 1] [0] minus(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] mark(x1) = [3 2] x1 + [0] [0 1] [0] geq(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [0] if(x1, x2, x3) = [1 0] x1 + [1 0] x2 + [1 0] x3 + [0] [0 1] [0 1] [0 1] [0] Hurray, we answered YES(?,O(n^1))