4.25/1.84 YES 4.25/1.85 proof of /export/starexec/sandbox/benchmark/theBenchmark.xml 4.25/1.85 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 4.25/1.85 4.25/1.85 4.25/1.85 Termination w.r.t. Q of the given QTRS could be proven: 4.25/1.85 4.25/1.85 (0) QTRS 4.25/1.85 (1) QTRSRRRProof [EQUIVALENT, 107 ms] 4.25/1.85 (2) QTRS 4.25/1.85 (3) QTRSRRRProof [EQUIVALENT, 19 ms] 4.25/1.85 (4) QTRS 4.25/1.85 (5) QTRSRRRProof [EQUIVALENT, 0 ms] 4.25/1.85 (6) QTRS 4.25/1.85 (7) RisEmptyProof [EQUIVALENT, 0 ms] 4.25/1.85 (8) YES 4.25/1.85 4.25/1.85 4.25/1.85 ---------------------------------------- 4.25/1.85 4.25/1.85 (0) 4.25/1.85 Obligation: 4.25/1.85 Q restricted rewrite system: 4.25/1.85 The TRS R consists of the following rules: 4.25/1.85 4.25/1.85 a__and(true, X) -> mark(X) 4.25/1.85 a__and(false, Y) -> false 4.25/1.85 a__if(true, X, Y) -> mark(X) 4.25/1.85 a__if(false, X, Y) -> mark(Y) 4.25/1.85 a__add(0, X) -> mark(X) 4.25/1.85 a__add(s(X), Y) -> s(add(X, Y)) 4.25/1.85 a__first(0, X) -> nil 4.25/1.85 a__first(s(X), cons(Y, Z)) -> cons(Y, first(X, Z)) 4.25/1.85 a__from(X) -> cons(X, from(s(X))) 4.25/1.85 mark(and(X1, X2)) -> a__and(mark(X1), X2) 4.25/1.85 mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) 4.25/1.85 mark(add(X1, X2)) -> a__add(mark(X1), X2) 4.25/1.85 mark(first(X1, X2)) -> a__first(mark(X1), mark(X2)) 4.25/1.85 mark(from(X)) -> a__from(X) 4.25/1.85 mark(true) -> true 4.25/1.85 mark(false) -> false 4.25/1.85 mark(0) -> 0 4.25/1.85 mark(s(X)) -> s(X) 4.25/1.85 mark(nil) -> nil 4.25/1.85 mark(cons(X1, X2)) -> cons(X1, X2) 4.25/1.85 a__and(X1, X2) -> and(X1, X2) 4.25/1.85 a__if(X1, X2, X3) -> if(X1, X2, X3) 4.25/1.85 a__add(X1, X2) -> add(X1, X2) 4.25/1.85 a__first(X1, X2) -> first(X1, X2) 4.25/1.85 a__from(X) -> from(X) 4.25/1.85 4.25/1.85 The set Q consists of the following terms: 4.25/1.85 4.25/1.85 a__from(x0) 4.25/1.85 mark(and(x0, x1)) 4.25/1.85 mark(if(x0, x1, x2)) 4.25/1.85 mark(add(x0, x1)) 4.25/1.85 mark(first(x0, x1)) 4.25/1.85 mark(from(x0)) 4.25/1.85 mark(true) 4.25/1.85 mark(false) 4.25/1.85 mark(0) 4.25/1.85 mark(s(x0)) 4.25/1.85 mark(nil) 4.25/1.85 mark(cons(x0, x1)) 4.25/1.85 a__and(x0, x1) 4.25/1.85 a__if(x0, x1, x2) 4.25/1.85 a__add(x0, x1) 4.25/1.85 a__first(x0, x1) 4.25/1.85 4.25/1.85 4.25/1.85 ---------------------------------------- 4.25/1.85 4.25/1.85 (1) QTRSRRRProof (EQUIVALENT) 4.25/1.85 Used ordering: 4.25/1.85 Polynomial interpretation [POLO]: 4.25/1.85 4.25/1.85 POL(0) = 1 4.25/1.85 POL(a__add(x_1, x_2)) = 2 + x_1 + 2*x_2 4.25/1.85 POL(a__and(x_1, x_2)) = 2 + x_1 + 2*x_2 4.25/1.85 POL(a__first(x_1, x_2)) = 2 + x_1 + 2*x_2 4.25/1.85 POL(a__from(x_1)) = 2 + 2*x_1 4.25/1.85 POL(a__if(x_1, x_2, x_3)) = 2 + 2*x_1 + 2*x_2 + 2*x_3 4.25/1.86 POL(add(x_1, x_2)) = 1 + x_1 + 2*x_2 4.25/1.86 POL(and(x_1, x_2)) = 1 + x_1 + 2*x_2 4.25/1.86 POL(cons(x_1, x_2)) = 1 + x_1 + x_2 4.25/1.86 POL(false) = 1 4.25/1.86 POL(first(x_1, x_2)) = 1 + x_1 + 2*x_2 4.25/1.86 POL(from(x_1)) = 1 + x_1 4.25/1.86 POL(if(x_1, x_2, x_3)) = 1 + 2*x_1 + 2*x_2 + 2*x_3 4.25/1.86 POL(mark(x_1)) = 2*x_1 4.25/1.86 POL(nil) = 1 4.25/1.86 POL(s(x_1)) = x_1 4.25/1.86 POL(true) = 1 4.25/1.86 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 4.25/1.86 4.25/1.86 a__and(true, X) -> mark(X) 4.25/1.86 a__and(false, Y) -> false 4.25/1.86 a__if(true, X, Y) -> mark(X) 4.25/1.86 a__if(false, X, Y) -> mark(Y) 4.25/1.86 a__add(0, X) -> mark(X) 4.25/1.86 a__add(s(X), Y) -> s(add(X, Y)) 4.25/1.86 a__first(0, X) -> nil 4.25/1.86 a__first(s(X), cons(Y, Z)) -> cons(Y, first(X, Z)) 4.25/1.86 mark(true) -> true 4.25/1.86 mark(false) -> false 4.25/1.86 mark(0) -> 0 4.25/1.86 mark(nil) -> nil 4.25/1.86 mark(cons(X1, X2)) -> cons(X1, X2) 4.25/1.86 a__and(X1, X2) -> and(X1, X2) 4.25/1.86 a__if(X1, X2, X3) -> if(X1, X2, X3) 4.25/1.86 a__add(X1, X2) -> add(X1, X2) 4.25/1.86 a__first(X1, X2) -> first(X1, X2) 4.25/1.86 a__from(X) -> from(X) 4.25/1.86 4.25/1.86 4.25/1.86 4.25/1.86 4.25/1.86 ---------------------------------------- 4.25/1.86 4.25/1.86 (2) 4.25/1.86 Obligation: 4.25/1.86 Q restricted rewrite system: 4.25/1.86 The TRS R consists of the following rules: 4.25/1.86 4.25/1.86 a__from(X) -> cons(X, from(s(X))) 4.25/1.86 mark(and(X1, X2)) -> a__and(mark(X1), X2) 4.25/1.86 mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) 4.25/1.86 mark(add(X1, X2)) -> a__add(mark(X1), X2) 4.25/1.86 mark(first(X1, X2)) -> a__first(mark(X1), mark(X2)) 4.25/1.86 mark(from(X)) -> a__from(X) 4.25/1.86 mark(s(X)) -> s(X) 4.25/1.86 4.25/1.86 The set Q consists of the following terms: 4.25/1.86 4.25/1.86 a__from(x0) 4.25/1.86 mark(and(x0, x1)) 4.25/1.86 mark(if(x0, x1, x2)) 4.25/1.86 mark(add(x0, x1)) 4.25/1.86 mark(first(x0, x1)) 4.25/1.86 mark(from(x0)) 4.25/1.86 mark(true) 4.25/1.86 mark(false) 4.25/1.86 mark(0) 4.25/1.86 mark(s(x0)) 4.25/1.86 mark(nil) 4.25/1.86 mark(cons(x0, x1)) 4.25/1.86 a__and(x0, x1) 4.25/1.86 a__if(x0, x1, x2) 4.25/1.86 a__add(x0, x1) 4.25/1.86 a__first(x0, x1) 4.25/1.86 4.25/1.86 4.25/1.86 ---------------------------------------- 4.25/1.86 4.25/1.86 (3) QTRSRRRProof (EQUIVALENT) 4.25/1.86 Used ordering: 4.25/1.86 Polynomial interpretation [POLO]: 4.25/1.86 4.25/1.86 POL(a__add(x_1, x_2)) = 1 + 2*x_1 + 2*x_2 4.25/1.86 POL(a__and(x_1, x_2)) = x_1 + 2*x_2 4.25/1.86 POL(a__first(x_1, x_2)) = x_1 + x_2 4.25/1.86 POL(a__from(x_1)) = 2 + 2*x_1 4.25/1.86 POL(a__if(x_1, x_2, x_3)) = 1 + x_1 + 2*x_2 + 2*x_3 4.25/1.86 POL(add(x_1, x_2)) = 2 + 2*x_1 + x_2 4.25/1.86 POL(and(x_1, x_2)) = 1 + 2*x_1 + x_2 4.25/1.86 POL(cons(x_1, x_2)) = x_1 + x_2 4.25/1.86 POL(first(x_1, x_2)) = 2 + 2*x_1 + 2*x_2 4.25/1.86 POL(from(x_1)) = x_1 4.25/1.86 POL(if(x_1, x_2, x_3)) = 1 + 2*x_1 + x_2 + x_3 4.25/1.86 POL(mark(x_1)) = 2 + 2*x_1 4.25/1.86 POL(s(x_1)) = 1 + x_1 4.25/1.86 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 4.25/1.86 4.25/1.86 a__from(X) -> cons(X, from(s(X))) 4.25/1.86 mark(and(X1, X2)) -> a__and(mark(X1), X2) 4.25/1.86 mark(if(X1, X2, X3)) -> a__if(mark(X1), X2, X3) 4.25/1.86 mark(add(X1, X2)) -> a__add(mark(X1), X2) 4.25/1.86 mark(first(X1, X2)) -> a__first(mark(X1), mark(X2)) 4.25/1.86 mark(s(X)) -> s(X) 4.25/1.86 4.25/1.86 4.25/1.86 4.25/1.86 4.25/1.86 ---------------------------------------- 4.25/1.86 4.25/1.86 (4) 4.25/1.86 Obligation: 4.25/1.86 Q restricted rewrite system: 4.25/1.86 The TRS R consists of the following rules: 4.25/1.86 4.25/1.86 mark(from(X)) -> a__from(X) 4.25/1.86 4.25/1.86 The set Q consists of the following terms: 4.25/1.86 4.25/1.86 a__from(x0) 4.25/1.86 mark(and(x0, x1)) 4.25/1.86 mark(if(x0, x1, x2)) 4.25/1.86 mark(add(x0, x1)) 4.25/1.86 mark(first(x0, x1)) 4.25/1.86 mark(from(x0)) 4.25/1.86 mark(true) 4.25/1.86 mark(false) 4.25/1.86 mark(0) 4.25/1.86 mark(s(x0)) 4.25/1.86 mark(nil) 4.25/1.86 mark(cons(x0, x1)) 4.25/1.86 a__and(x0, x1) 4.25/1.86 a__if(x0, x1, x2) 4.25/1.86 a__add(x0, x1) 4.25/1.86 a__first(x0, x1) 4.25/1.86 4.25/1.86 4.25/1.86 ---------------------------------------- 4.25/1.86 4.25/1.86 (5) QTRSRRRProof (EQUIVALENT) 4.25/1.86 Used ordering: 4.25/1.86 Polynomial interpretation [POLO]: 4.25/1.86 4.25/1.86 POL(a__from(x_1)) = 2 + 2*x_1 4.25/1.86 POL(from(x_1)) = 1 + x_1 4.25/1.86 POL(mark(x_1)) = 2 + 2*x_1 4.25/1.86 With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly: 4.25/1.86 4.25/1.86 mark(from(X)) -> a__from(X) 4.25/1.86 4.25/1.86 4.25/1.86 4.25/1.86 4.25/1.86 ---------------------------------------- 4.25/1.86 4.25/1.86 (6) 4.25/1.86 Obligation: 4.25/1.86 Q restricted rewrite system: 4.25/1.86 R is empty. 4.25/1.86 The set Q consists of the following terms: 4.25/1.86 4.25/1.86 a__from(x0) 4.25/1.86 mark(and(x0, x1)) 4.25/1.86 mark(if(x0, x1, x2)) 4.25/1.86 mark(add(x0, x1)) 4.25/1.86 mark(first(x0, x1)) 4.25/1.86 mark(from(x0)) 4.25/1.86 mark(true) 4.25/1.86 mark(false) 4.25/1.86 mark(0) 4.25/1.86 mark(s(x0)) 4.25/1.86 mark(nil) 4.25/1.86 mark(cons(x0, x1)) 4.25/1.86 a__and(x0, x1) 4.25/1.86 a__if(x0, x1, x2) 4.25/1.86 a__add(x0, x1) 4.25/1.86 a__first(x0, x1) 4.25/1.86 4.25/1.86 4.25/1.86 ---------------------------------------- 4.25/1.86 4.25/1.86 (7) RisEmptyProof (EQUIVALENT) 4.25/1.86 The TRS R is empty. Hence, termination is trivially proven. 4.25/1.86 ---------------------------------------- 4.25/1.86 4.25/1.86 (8) 4.25/1.86 YES 4.25/1.89 EOF