3.56/1.74 YES 3.56/1.75 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 3.56/1.75 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.56/1.75 3.56/1.75 3.56/1.75 Termination w.r.t. Q of the given QTRS could be proven: 3.56/1.75 3.56/1.75 (0) QTRS 3.56/1.75 (1) QTRSRRRProof [EQUIVALENT, 33 ms] 3.56/1.75 (2) QTRS 3.56/1.75 (3) RisEmptyProof [EQUIVALENT, 0 ms] 3.56/1.75 (4) YES 3.56/1.75 3.56/1.75 3.56/1.75 ---------------------------------------- 3.56/1.75 3.56/1.75 (0) 3.56/1.75 Obligation: 3.56/1.75 Q restricted rewrite system: 3.56/1.75 The TRS R consists of the following rules: 3.56/1.75 3.56/1.75 a____(__(X, Y), Z) -> a____(mark(X), a____(mark(Y), mark(Z))) 3.56/1.75 a____(X, nil) -> mark(X) 3.56/1.75 a____(nil, X) -> mark(X) 3.56/1.75 a__and(tt, X) -> mark(X) 3.56/1.75 a__isList(V) -> a__isNeList(V) 3.56/1.75 a__isList(nil) -> tt 3.56/1.75 a__isList(__(V1, V2)) -> a__and(a__isList(V1), isList(V2)) 3.56/1.75 a__isNeList(V) -> a__isQid(V) 3.56/1.75 a__isNeList(__(V1, V2)) -> a__and(a__isList(V1), isNeList(V2)) 3.56/1.75 a__isNeList(__(V1, V2)) -> a__and(a__isNeList(V1), isList(V2)) 3.56/1.75 a__isNePal(V) -> a__isQid(V) 3.56/1.75 a__isNePal(__(I, __(P, I))) -> a__and(a__isQid(I), isPal(P)) 3.56/1.75 a__isPal(V) -> a__isNePal(V) 3.56/1.75 a__isPal(nil) -> tt 3.56/1.75 a__isQid(a) -> tt 3.56/1.75 a__isQid(e) -> tt 3.56/1.75 a__isQid(i) -> tt 3.56/1.75 a__isQid(o) -> tt 3.56/1.75 a__isQid(u) -> tt 3.56/1.75 mark(__(X1, X2)) -> a____(mark(X1), mark(X2)) 3.56/1.75 mark(and(X1, X2)) -> a__and(mark(X1), X2) 3.56/1.75 mark(isList(X)) -> a__isList(X) 3.56/1.75 mark(isNeList(X)) -> a__isNeList(X) 3.56/1.75 mark(isQid(X)) -> a__isQid(X) 3.56/1.75 mark(isNePal(X)) -> a__isNePal(X) 3.56/1.75 mark(isPal(X)) -> a__isPal(X) 3.56/1.75 mark(nil) -> nil 3.56/1.75 mark(tt) -> tt 3.56/1.75 mark(a) -> a 3.56/1.75 mark(e) -> e 3.56/1.75 mark(i) -> i 3.56/1.75 mark(o) -> o 3.56/1.75 mark(u) -> u 3.56/1.75 a____(X1, X2) -> __(X1, X2) 3.56/1.75 a__and(X1, X2) -> and(X1, X2) 3.56/1.75 a__isList(X) -> isList(X) 3.56/1.75 a__isNeList(X) -> isNeList(X) 3.56/1.75 a__isQid(X) -> isQid(X) 3.56/1.75 a__isNePal(X) -> isNePal(X) 3.56/1.75 a__isPal(X) -> isPal(X) 3.56/1.75 3.56/1.75 The set Q consists of the following terms: 3.56/1.75 3.56/1.75 a__isList(x0) 3.56/1.75 a__isNeList(x0) 3.56/1.75 a__isNePal(x0) 3.56/1.75 a__isPal(x0) 3.56/1.75 mark(__(x0, x1)) 3.56/1.75 mark(and(x0, x1)) 3.56/1.75 mark(isList(x0)) 3.56/1.75 mark(isNeList(x0)) 3.56/1.75 mark(isQid(x0)) 3.56/1.75 mark(isNePal(x0)) 3.56/1.75 mark(isPal(x0)) 3.56/1.75 mark(nil) 3.56/1.75 mark(tt) 3.56/1.75 mark(a) 3.56/1.75 mark(e) 3.56/1.75 mark(i) 3.56/1.75 mark(o) 3.56/1.75 mark(u) 3.56/1.75 a____(x0, x1) 3.56/1.75 a__and(x0, x1) 3.56/1.75 a__isQid(x0) 3.56/1.75 3.56/1.75 3.56/1.75 ---------------------------------------- 3.56/1.75 3.56/1.75 (1) QTRSRRRProof (EQUIVALENT) 3.56/1.75 Used ordering: 3.56/1.75 Knuth-Bendix order [KBO] with precedence:mark_1 > a > nil > a__and_2 > and_2 > u > o > i > a__isNeList_1 > isNeList_1 > a__isNePal_1 > isNePal_1 > a__isQid_1 > isQid_1 > e > a_____2 > a__isPal_1 > a__isList_1 > isList_1 > ___2 > isPal_1 > tt 3.56/1.75 3.56/1.75 and weight map: 3.56/1.75 3.56/1.75 nil=1 3.56/1.75 tt=3 3.56/1.75 a=2 3.56/1.75 e=2 3.56/1.75 i=2 3.56/1.75 o=2 3.56/1.75 u=2 3.56/1.75 mark_1=0 3.56/1.75 a__isList_1=3 3.56/1.75 a__isNeList_1=2 3.56/1.75 isList_1=3 3.56/1.75 a__isQid_1=1 3.56/1.75 isNeList_1=2 3.56/1.75 a__isNePal_1=2 3.56/1.75 isPal_1=9 3.56/1.75 a__isPal_1=9 3.56/1.75 isQid_1=1 3.56/1.75 isNePal_1=2 3.56/1.75 ___2=4 3.56/1.75 a_____2=4 3.56/1.75 a__and_2=0 3.56/1.75 and_2=0 3.56/1.75 3.56/1.75 The variable weight is 1With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 3.56/1.75 3.56/1.75 a____(__(X, Y), Z) -> a____(mark(X), a____(mark(Y), mark(Z))) 3.56/1.75 a____(X, nil) -> mark(X) 3.56/1.75 a____(nil, X) -> mark(X) 3.56/1.75 a__and(tt, X) -> mark(X) 3.56/1.75 a__isList(V) -> a__isNeList(V) 3.56/1.75 a__isList(nil) -> tt 3.56/1.75 a__isList(__(V1, V2)) -> a__and(a__isList(V1), isList(V2)) 3.56/1.75 a__isNeList(V) -> a__isQid(V) 3.56/1.75 a__isNeList(__(V1, V2)) -> a__and(a__isList(V1), isNeList(V2)) 3.56/1.75 a__isNeList(__(V1, V2)) -> a__and(a__isNeList(V1), isList(V2)) 3.56/1.75 a__isNePal(V) -> a__isQid(V) 3.56/1.75 a__isNePal(__(I, __(P, I))) -> a__and(a__isQid(I), isPal(P)) 3.56/1.75 a__isPal(V) -> a__isNePal(V) 3.56/1.75 a__isPal(nil) -> tt 3.56/1.75 a__isQid(a) -> tt 3.56/1.75 a__isQid(e) -> tt 3.56/1.75 a__isQid(i) -> tt 3.56/1.75 a__isQid(o) -> tt 3.56/1.75 a__isQid(u) -> tt 3.56/1.75 mark(__(X1, X2)) -> a____(mark(X1), mark(X2)) 3.56/1.75 mark(and(X1, X2)) -> a__and(mark(X1), X2) 3.56/1.75 mark(isList(X)) -> a__isList(X) 3.56/1.75 mark(isNeList(X)) -> a__isNeList(X) 3.56/1.75 mark(isQid(X)) -> a__isQid(X) 3.56/1.75 mark(isNePal(X)) -> a__isNePal(X) 3.56/1.75 mark(isPal(X)) -> a__isPal(X) 3.56/1.75 mark(nil) -> nil 3.56/1.75 mark(tt) -> tt 3.56/1.75 mark(a) -> a 3.56/1.75 mark(e) -> e 3.56/1.75 mark(i) -> i 3.56/1.75 mark(o) -> o 3.56/1.75 mark(u) -> u 3.56/1.75 a____(X1, X2) -> __(X1, X2) 3.56/1.75 a__and(X1, X2) -> and(X1, X2) 3.56/1.75 a__isList(X) -> isList(X) 3.56/1.75 a__isNeList(X) -> isNeList(X) 3.56/1.75 a__isQid(X) -> isQid(X) 3.56/1.75 a__isNePal(X) -> isNePal(X) 3.56/1.75 a__isPal(X) -> isPal(X) 3.56/1.75 3.56/1.75 3.56/1.75 3.56/1.75 3.56/1.75 ---------------------------------------- 3.56/1.75 3.56/1.75 (2) 3.56/1.75 Obligation: 3.56/1.75 Q restricted rewrite system: 3.56/1.75 R is empty. 3.56/1.75 The set Q consists of the following terms: 3.56/1.75 3.56/1.75 a__isList(x0) 3.56/1.75 a__isNeList(x0) 3.56/1.75 a__isNePal(x0) 3.56/1.75 a__isPal(x0) 3.56/1.75 mark(__(x0, x1)) 3.56/1.75 mark(and(x0, x1)) 3.56/1.75 mark(isList(x0)) 3.56/1.75 mark(isNeList(x0)) 3.56/1.75 mark(isQid(x0)) 3.56/1.75 mark(isNePal(x0)) 3.56/1.75 mark(isPal(x0)) 3.56/1.75 mark(nil) 3.56/1.75 mark(tt) 3.56/1.75 mark(a) 3.56/1.75 mark(e) 3.56/1.75 mark(i) 3.56/1.75 mark(o) 3.56/1.75 mark(u) 3.56/1.75 a____(x0, x1) 3.56/1.75 a__and(x0, x1) 3.56/1.75 a__isQid(x0) 3.56/1.75 3.56/1.75 3.56/1.75 ---------------------------------------- 3.56/1.75 3.56/1.75 (3) RisEmptyProof (EQUIVALENT) 3.56/1.75 The TRS R is empty. Hence, termination is trivially proven. 3.56/1.75 ---------------------------------------- 3.56/1.75 3.56/1.75 (4) 3.56/1.75 YES 3.56/1.76 EOF