/export/starexec/sandbox/solver/bin/starexec_run_standard /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- YES proof of /export/starexec/sandbox/benchmark/theBenchmark.xml # AProVE Commit ID: c69e44bd14796315568835c1ffa2502984884775 mhark 20210624 unpublished Termination w.r.t. Q of the given QTRS could be proven: (0) QTRS (1) QTRSRRRProof [EQUIVALENT, 122 ms] (2) QTRS (3) RisEmptyProof [EQUIVALENT, 0 ms] (4) YES ---------------------------------------- (0) Obligation: Q restricted rewrite system: The TRS R consists of the following rules: __(__(X, Y), Z) -> __(X, __(Y, Z)) __(X, nil) -> X __(nil, X) -> X U11(tt) -> tt U21(tt, V2) -> U22(isList(activate(V2))) U22(tt) -> tt U31(tt) -> tt U41(tt, V2) -> U42(isNeList(activate(V2))) U42(tt) -> tt U51(tt, V2) -> U52(isList(activate(V2))) U52(tt) -> tt U61(tt) -> tt U71(tt, P) -> U72(isPal(activate(P))) U72(tt) -> tt U81(tt) -> tt isList(V) -> U11(isNeList(activate(V))) isList(n__nil) -> tt isList(n____(V1, V2)) -> U21(isList(activate(V1)), activate(V2)) isNeList(V) -> U31(isQid(activate(V))) isNeList(n____(V1, V2)) -> U41(isList(activate(V1)), activate(V2)) isNeList(n____(V1, V2)) -> U51(isNeList(activate(V1)), activate(V2)) isNePal(V) -> U61(isQid(activate(V))) isNePal(n____(I, __(P, I))) -> U71(isQid(activate(I)), activate(P)) isPal(V) -> U81(isNePal(activate(V))) isPal(n__nil) -> tt isQid(n__a) -> tt isQid(n__e) -> tt isQid(n__i) -> tt isQid(n__o) -> tt isQid(n__u) -> tt nil -> n__nil __(X1, X2) -> n____(X1, X2) a -> n__a e -> n__e i -> n__i o -> n__o u -> n__u activate(n__nil) -> nil activate(n____(X1, X2)) -> __(X1, X2) activate(n__a) -> a activate(n__e) -> e activate(n__i) -> i activate(n__o) -> o activate(n__u) -> u activate(X) -> X Q is empty. ---------------------------------------- (1) QTRSRRRProof (EQUIVALENT) Used ordering: Knuth-Bendix order [KBO] with precedence:tt > activate_1 > n__e > isNeList_1 > u > o > isList_1 > n__a > isNePal_1 > isQid_1 > n_____2 > isPal_1 > U31_1 > U51_2 > U81_1 > i > e > a > U71_2 > U52_1 > U42_1 > U41_2 > U22_1 > n__u > n__nil > n__o > nil > U11_1 > U72_1 > ___2 > U21_2 > n__i > U61_1 and weight map: nil=5 tt=11 n__nil=4 n__a=11 n__e=11 n__i=11 n__o=11 n__u=11 a=13 e=12 i=12 o=12 u=12 U11_1=1 U22_1=1 isList_1=9 activate_1=2 U31_1=1 U42_1=1 isNeList_1=5 U52_1=3 U61_1=1 U72_1=18 isPal_1=8 U81_1=1 isQid_1=1 isNePal_1=5 ___2=9 U21_2=3 U41_2=0 U51_2=3 U71_2=18 n_____2=8 The variable weight is 1With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: __(__(X, Y), Z) -> __(X, __(Y, Z)) __(X, nil) -> X __(nil, X) -> X U11(tt) -> tt U21(tt, V2) -> U22(isList(activate(V2))) U22(tt) -> tt U31(tt) -> tt U41(tt, V2) -> U42(isNeList(activate(V2))) U42(tt) -> tt U51(tt, V2) -> U52(isList(activate(V2))) U52(tt) -> tt U61(tt) -> tt U71(tt, P) -> U72(isPal(activate(P))) U72(tt) -> tt U81(tt) -> tt isList(V) -> U11(isNeList(activate(V))) isList(n__nil) -> tt isList(n____(V1, V2)) -> U21(isList(activate(V1)), activate(V2)) isNeList(V) -> U31(isQid(activate(V))) isNeList(n____(V1, V2)) -> U41(isList(activate(V1)), activate(V2)) isNeList(n____(V1, V2)) -> U51(isNeList(activate(V1)), activate(V2)) isNePal(V) -> U61(isQid(activate(V))) isNePal(n____(I, __(P, I))) -> U71(isQid(activate(I)), activate(P)) isPal(V) -> U81(isNePal(activate(V))) isPal(n__nil) -> tt isQid(n__a) -> tt isQid(n__e) -> tt isQid(n__i) -> tt isQid(n__o) -> tt isQid(n__u) -> tt nil -> n__nil __(X1, X2) -> n____(X1, X2) a -> n__a e -> n__e i -> n__i o -> n__o u -> n__u activate(n__nil) -> nil activate(n____(X1, X2)) -> __(X1, X2) activate(n__a) -> a activate(n__e) -> e activate(n__i) -> i activate(n__o) -> o activate(n__u) -> u activate(X) -> X ---------------------------------------- (2) Obligation: Q restricted rewrite system: R is empty. Q is empty. ---------------------------------------- (3) RisEmptyProof (EQUIVALENT) The TRS R is empty. Hence, termination is trivially proven. ---------------------------------------- (4) YES