5.15/2.14 YES 5.36/2.15 proof of /export/starexec/sandbox/benchmark/theBenchmark.pl 5.36/2.15 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.36/2.15 5.36/2.15 5.36/2.15 Left Termination of the query pattern 5.36/2.15 5.36/2.15 perm(g,a) 5.36/2.15 5.36/2.15 w.r.t. the given Prolog program could successfully be proven: 5.36/2.15 5.36/2.15 (0) Prolog 5.36/2.15 (1) PrologToPiTRSProof [SOUND, 0 ms] 5.36/2.15 (2) PiTRS 5.36/2.15 (3) DependencyPairsProof [EQUIVALENT, 26 ms] 5.36/2.15 (4) PiDP 5.36/2.15 (5) DependencyGraphProof [EQUIVALENT, 0 ms] 5.36/2.15 (6) AND 5.36/2.15 (7) PiDP 5.36/2.15 (8) UsableRulesProof [EQUIVALENT, 0 ms] 5.36/2.15 (9) PiDP 5.36/2.15 (10) PiDPToQDPProof [SOUND, 13 ms] 5.36/2.15 (11) QDP 5.36/2.15 (12) QDPSizeChangeProof [EQUIVALENT, 0 ms] 5.36/2.15 (13) YES 5.36/2.15 (14) PiDP 5.36/2.15 (15) UsableRulesProof [EQUIVALENT, 0 ms] 5.36/2.15 (16) PiDP 5.36/2.15 (17) PiDPToQDPProof [SOUND, 0 ms] 5.36/2.15 (18) QDP 5.36/2.15 (19) QDPSizeChangeProof [EQUIVALENT, 0 ms] 5.36/2.15 (20) YES 5.36/2.15 (21) PiDP 5.36/2.15 (22) UsableRulesProof [EQUIVALENT, 0 ms] 5.36/2.15 (23) PiDP 5.36/2.15 (24) PiDPToQDPProof [SOUND, 0 ms] 5.36/2.15 (25) QDP 5.36/2.15 (26) MRRProof [EQUIVALENT, 2 ms] 5.36/2.15 (27) QDP 5.36/2.15 (28) PisEmptyProof [EQUIVALENT, 0 ms] 5.36/2.15 (29) YES 5.36/2.15 5.36/2.15 5.36/2.15 ---------------------------------------- 5.36/2.15 5.36/2.15 (0) 5.36/2.15 Obligation: 5.36/2.15 Clauses: 5.36/2.15 5.36/2.15 ap1(nil, X, X). 5.36/2.15 ap1(cons(H, X), Y, cons(H, Z)) :- ap1(X, Y, Z). 5.36/2.15 ap2(nil, X, X). 5.36/2.15 ap2(cons(H, X), Y, cons(H, Z)) :- ap2(X, Y, Z). 5.36/2.15 perm(nil, nil). 5.36/2.15 perm(Xs, cons(X, Ys)) :- ','(ap1(X1s, cons(X, X2s), Xs), ','(ap2(X1s, X2s, Zs), perm(Zs, Ys))). 5.36/2.15 5.36/2.15 5.36/2.15 Query: perm(g,a) 5.36/2.15 ---------------------------------------- 5.36/2.15 5.36/2.15 (1) PrologToPiTRSProof (SOUND) 5.36/2.15 We use the technique of [TOCL09]. With regard to the inferred argument filtering the predicates were used in the following modes: 5.36/2.15 5.36/2.15 perm_in_2: (b,f) 5.36/2.15 5.36/2.15 ap1_in_3: (f,f,b) 5.36/2.15 5.36/2.15 ap2_in_3: (b,b,f) 5.36/2.15 5.36/2.15 Transforming Prolog into the following Term Rewriting System: 5.36/2.15 5.36/2.15 Pi-finite rewrite system: 5.36/2.15 The TRS R consists of the following rules: 5.36/2.15 5.36/2.15 perm_in_ga(nil, nil) -> perm_out_ga(nil, nil) 5.36/2.15 perm_in_ga(Xs, cons(X, Ys)) -> U3_ga(Xs, X, Ys, ap1_in_aag(X1s, cons(X, X2s), Xs)) 5.36/2.15 ap1_in_aag(nil, X, X) -> ap1_out_aag(nil, X, X) 5.36/2.15 ap1_in_aag(cons(H, X), Y, cons(H, Z)) -> U1_aag(H, X, Y, Z, ap1_in_aag(X, Y, Z)) 5.36/2.15 U1_aag(H, X, Y, Z, ap1_out_aag(X, Y, Z)) -> ap1_out_aag(cons(H, X), Y, cons(H, Z)) 5.36/2.15 U3_ga(Xs, X, Ys, ap1_out_aag(X1s, cons(X, X2s), Xs)) -> U4_ga(Xs, X, Ys, X1s, X2s, ap2_in_gga(X1s, X2s, Zs)) 5.36/2.15 ap2_in_gga(nil, X, X) -> ap2_out_gga(nil, X, X) 5.36/2.15 ap2_in_gga(cons(H, X), Y, cons(H, Z)) -> U2_gga(H, X, Y, Z, ap2_in_gga(X, Y, Z)) 5.36/2.15 U2_gga(H, X, Y, Z, ap2_out_gga(X, Y, Z)) -> ap2_out_gga(cons(H, X), Y, cons(H, Z)) 5.36/2.15 U4_ga(Xs, X, Ys, X1s, X2s, ap2_out_gga(X1s, X2s, Zs)) -> U5_ga(Xs, X, Ys, perm_in_ga(Zs, Ys)) 5.36/2.15 U5_ga(Xs, X, Ys, perm_out_ga(Zs, Ys)) -> perm_out_ga(Xs, cons(X, Ys)) 5.36/2.15 5.36/2.15 The argument filtering Pi contains the following mapping: 5.36/2.15 perm_in_ga(x1, x2) = perm_in_ga(x1) 5.36/2.15 5.36/2.15 nil = nil 5.36/2.15 5.36/2.15 perm_out_ga(x1, x2) = perm_out_ga(x2) 5.36/2.15 5.36/2.15 U3_ga(x1, x2, x3, x4) = U3_ga(x4) 5.36/2.15 5.36/2.15 ap1_in_aag(x1, x2, x3) = ap1_in_aag(x3) 5.36/2.15 5.36/2.15 cons(x1, x2) = cons(x2) 5.36/2.15 5.36/2.15 ap1_out_aag(x1, x2, x3) = ap1_out_aag(x1, x2) 5.36/2.15 5.36/2.15 U1_aag(x1, x2, x3, x4, x5) = U1_aag(x5) 5.36/2.15 5.36/2.15 U4_ga(x1, x2, x3, x4, x5, x6) = U4_ga(x6) 5.36/2.15 5.36/2.15 ap2_in_gga(x1, x2, x3) = ap2_in_gga(x1, x2) 5.36/2.15 5.36/2.15 ap2_out_gga(x1, x2, x3) = ap2_out_gga(x3) 5.36/2.15 5.36/2.15 U2_gga(x1, x2, x3, x4, x5) = U2_gga(x5) 5.36/2.15 5.36/2.15 U5_ga(x1, x2, x3, x4) = U5_ga(x4) 5.36/2.15 5.36/2.15 5.36/2.15 5.36/2.15 5.36/2.15 5.36/2.15 Infinitary Constructor Rewriting Termination of PiTRS implies Termination of Prolog 5.36/2.15 5.36/2.15 5.36/2.15 5.36/2.15 ---------------------------------------- 5.36/2.15 5.36/2.15 (2) 5.36/2.15 Obligation: 5.36/2.15 Pi-finite rewrite system: 5.36/2.15 The TRS R consists of the following rules: 5.36/2.15 5.36/2.15 perm_in_ga(nil, nil) -> perm_out_ga(nil, nil) 5.36/2.15 perm_in_ga(Xs, cons(X, Ys)) -> U3_ga(Xs, X, Ys, ap1_in_aag(X1s, cons(X, X2s), Xs)) 5.36/2.15 ap1_in_aag(nil, X, X) -> ap1_out_aag(nil, X, X) 5.36/2.15 ap1_in_aag(cons(H, X), Y, cons(H, Z)) -> U1_aag(H, X, Y, Z, ap1_in_aag(X, Y, Z)) 5.36/2.15 U1_aag(H, X, Y, Z, ap1_out_aag(X, Y, Z)) -> ap1_out_aag(cons(H, X), Y, cons(H, Z)) 5.36/2.15 U3_ga(Xs, X, Ys, ap1_out_aag(X1s, cons(X, X2s), Xs)) -> U4_ga(Xs, X, Ys, X1s, X2s, ap2_in_gga(X1s, X2s, Zs)) 5.36/2.15 ap2_in_gga(nil, X, X) -> ap2_out_gga(nil, X, X) 5.36/2.15 ap2_in_gga(cons(H, X), Y, cons(H, Z)) -> U2_gga(H, X, Y, Z, ap2_in_gga(X, Y, Z)) 5.36/2.15 U2_gga(H, X, Y, Z, ap2_out_gga(X, Y, Z)) -> ap2_out_gga(cons(H, X), Y, cons(H, Z)) 5.36/2.15 U4_ga(Xs, X, Ys, X1s, X2s, ap2_out_gga(X1s, X2s, Zs)) -> U5_ga(Xs, X, Ys, perm_in_ga(Zs, Ys)) 5.36/2.15 U5_ga(Xs, X, Ys, perm_out_ga(Zs, Ys)) -> perm_out_ga(Xs, cons(X, Ys)) 5.36/2.15 5.36/2.15 The argument filtering Pi contains the following mapping: 5.36/2.15 perm_in_ga(x1, x2) = perm_in_ga(x1) 5.36/2.15 5.36/2.15 nil = nil 5.36/2.15 5.36/2.15 perm_out_ga(x1, x2) = perm_out_ga(x2) 5.36/2.15 5.36/2.15 U3_ga(x1, x2, x3, x4) = U3_ga(x4) 5.36/2.15 5.36/2.15 ap1_in_aag(x1, x2, x3) = ap1_in_aag(x3) 5.36/2.15 5.36/2.15 cons(x1, x2) = cons(x2) 5.36/2.15 5.36/2.15 ap1_out_aag(x1, x2, x3) = ap1_out_aag(x1, x2) 5.36/2.15 5.36/2.15 U1_aag(x1, x2, x3, x4, x5) = U1_aag(x5) 5.36/2.15 5.36/2.15 U4_ga(x1, x2, x3, x4, x5, x6) = U4_ga(x6) 5.36/2.15 5.36/2.15 ap2_in_gga(x1, x2, x3) = ap2_in_gga(x1, x2) 5.36/2.15 5.36/2.15 ap2_out_gga(x1, x2, x3) = ap2_out_gga(x3) 5.36/2.15 5.36/2.15 U2_gga(x1, x2, x3, x4, x5) = U2_gga(x5) 5.36/2.15 5.36/2.15 U5_ga(x1, x2, x3, x4) = U5_ga(x4) 5.36/2.15 5.36/2.15 5.36/2.15 5.36/2.15 ---------------------------------------- 5.36/2.15 5.36/2.15 (3) DependencyPairsProof (EQUIVALENT) 5.36/2.15 Using Dependency Pairs [AG00,LOPSTR] we result in the following initial DP problem: 5.36/2.15 Pi DP problem: 5.36/2.15 The TRS P consists of the following rules: 5.36/2.15 5.36/2.15 PERM_IN_GA(Xs, cons(X, Ys)) -> U3_GA(Xs, X, Ys, ap1_in_aag(X1s, cons(X, X2s), Xs)) 5.36/2.15 PERM_IN_GA(Xs, cons(X, Ys)) -> AP1_IN_AAG(X1s, cons(X, X2s), Xs) 5.36/2.15 AP1_IN_AAG(cons(H, X), Y, cons(H, Z)) -> U1_AAG(H, X, Y, Z, ap1_in_aag(X, Y, Z)) 5.36/2.15 AP1_IN_AAG(cons(H, X), Y, cons(H, Z)) -> AP1_IN_AAG(X, Y, Z) 5.36/2.15 U3_GA(Xs, X, Ys, ap1_out_aag(X1s, cons(X, X2s), Xs)) -> U4_GA(Xs, X, Ys, X1s, X2s, ap2_in_gga(X1s, X2s, Zs)) 5.36/2.15 U3_GA(Xs, X, Ys, ap1_out_aag(X1s, cons(X, X2s), Xs)) -> AP2_IN_GGA(X1s, X2s, Zs) 5.36/2.15 AP2_IN_GGA(cons(H, X), Y, cons(H, Z)) -> U2_GGA(H, X, Y, Z, ap2_in_gga(X, Y, Z)) 5.36/2.15 AP2_IN_GGA(cons(H, X), Y, cons(H, Z)) -> AP2_IN_GGA(X, Y, Z) 5.36/2.15 U4_GA(Xs, X, Ys, X1s, X2s, ap2_out_gga(X1s, X2s, Zs)) -> U5_GA(Xs, X, Ys, perm_in_ga(Zs, Ys)) 5.36/2.15 U4_GA(Xs, X, Ys, X1s, X2s, ap2_out_gga(X1s, X2s, Zs)) -> PERM_IN_GA(Zs, Ys) 5.36/2.15 5.36/2.15 The TRS R consists of the following rules: 5.36/2.15 5.36/2.15 perm_in_ga(nil, nil) -> perm_out_ga(nil, nil) 5.36/2.15 perm_in_ga(Xs, cons(X, Ys)) -> U3_ga(Xs, X, Ys, ap1_in_aag(X1s, cons(X, X2s), Xs)) 5.36/2.15 ap1_in_aag(nil, X, X) -> ap1_out_aag(nil, X, X) 5.36/2.15 ap1_in_aag(cons(H, X), Y, cons(H, Z)) -> U1_aag(H, X, Y, Z, ap1_in_aag(X, Y, Z)) 5.36/2.15 U1_aag(H, X, Y, Z, ap1_out_aag(X, Y, Z)) -> ap1_out_aag(cons(H, X), Y, cons(H, Z)) 5.36/2.15 U3_ga(Xs, X, Ys, ap1_out_aag(X1s, cons(X, X2s), Xs)) -> U4_ga(Xs, X, Ys, X1s, X2s, ap2_in_gga(X1s, X2s, Zs)) 5.36/2.15 ap2_in_gga(nil, X, X) -> ap2_out_gga(nil, X, X) 5.36/2.15 ap2_in_gga(cons(H, X), Y, cons(H, Z)) -> U2_gga(H, X, Y, Z, ap2_in_gga(X, Y, Z)) 5.36/2.15 U2_gga(H, X, Y, Z, ap2_out_gga(X, Y, Z)) -> ap2_out_gga(cons(H, X), Y, cons(H, Z)) 5.36/2.15 U4_ga(Xs, X, Ys, X1s, X2s, ap2_out_gga(X1s, X2s, Zs)) -> U5_ga(Xs, X, Ys, perm_in_ga(Zs, Ys)) 5.36/2.15 U5_ga(Xs, X, Ys, perm_out_ga(Zs, Ys)) -> perm_out_ga(Xs, cons(X, Ys)) 5.36/2.15 5.36/2.15 The argument filtering Pi contains the following mapping: 5.36/2.15 perm_in_ga(x1, x2) = perm_in_ga(x1) 5.36/2.15 5.36/2.15 nil = nil 5.36/2.15 5.36/2.15 perm_out_ga(x1, x2) = perm_out_ga(x2) 5.36/2.15 5.36/2.15 U3_ga(x1, x2, x3, x4) = U3_ga(x4) 5.36/2.15 5.36/2.15 ap1_in_aag(x1, x2, x3) = ap1_in_aag(x3) 5.36/2.15 5.36/2.15 cons(x1, x2) = cons(x2) 5.36/2.15 5.36/2.15 ap1_out_aag(x1, x2, x3) = ap1_out_aag(x1, x2) 5.36/2.15 5.36/2.15 U1_aag(x1, x2, x3, x4, x5) = U1_aag(x5) 5.36/2.15 5.36/2.15 U4_ga(x1, x2, x3, x4, x5, x6) = U4_ga(x6) 5.36/2.15 5.36/2.15 ap2_in_gga(x1, x2, x3) = ap2_in_gga(x1, x2) 5.36/2.15 5.36/2.15 ap2_out_gga(x1, x2, x3) = ap2_out_gga(x3) 5.36/2.15 5.36/2.15 U2_gga(x1, x2, x3, x4, x5) = U2_gga(x5) 5.36/2.15 5.36/2.15 U5_ga(x1, x2, x3, x4) = U5_ga(x4) 5.36/2.15 5.36/2.15 PERM_IN_GA(x1, x2) = PERM_IN_GA(x1) 5.36/2.15 5.36/2.15 U3_GA(x1, x2, x3, x4) = U3_GA(x4) 5.36/2.15 5.36/2.15 AP1_IN_AAG(x1, x2, x3) = AP1_IN_AAG(x3) 5.36/2.15 5.36/2.15 U1_AAG(x1, x2, x3, x4, x5) = U1_AAG(x5) 5.36/2.15 5.36/2.15 U4_GA(x1, x2, x3, x4, x5, x6) = U4_GA(x6) 5.36/2.15 5.36/2.15 AP2_IN_GGA(x1, x2, x3) = AP2_IN_GGA(x1, x2) 5.36/2.15 5.36/2.15 U2_GGA(x1, x2, x3, x4, x5) = U2_GGA(x5) 5.36/2.15 5.36/2.15 U5_GA(x1, x2, x3, x4) = U5_GA(x4) 5.36/2.15 5.36/2.15 5.36/2.15 We have to consider all (P,R,Pi)-chains 5.36/2.15 ---------------------------------------- 5.36/2.15 5.36/2.15 (4) 5.36/2.15 Obligation: 5.36/2.15 Pi DP problem: 5.36/2.15 The TRS P consists of the following rules: 5.36/2.15 5.36/2.15 PERM_IN_GA(Xs, cons(X, Ys)) -> U3_GA(Xs, X, Ys, ap1_in_aag(X1s, cons(X, X2s), Xs)) 5.36/2.15 PERM_IN_GA(Xs, cons(X, Ys)) -> AP1_IN_AAG(X1s, cons(X, X2s), Xs) 5.36/2.15 AP1_IN_AAG(cons(H, X), Y, cons(H, Z)) -> U1_AAG(H, X, Y, Z, ap1_in_aag(X, Y, Z)) 5.36/2.15 AP1_IN_AAG(cons(H, X), Y, cons(H, Z)) -> AP1_IN_AAG(X, Y, Z) 5.36/2.16 U3_GA(Xs, X, Ys, ap1_out_aag(X1s, cons(X, X2s), Xs)) -> U4_GA(Xs, X, Ys, X1s, X2s, ap2_in_gga(X1s, X2s, Zs)) 5.36/2.16 U3_GA(Xs, X, Ys, ap1_out_aag(X1s, cons(X, X2s), Xs)) -> AP2_IN_GGA(X1s, X2s, Zs) 5.36/2.16 AP2_IN_GGA(cons(H, X), Y, cons(H, Z)) -> U2_GGA(H, X, Y, Z, ap2_in_gga(X, Y, Z)) 5.36/2.16 AP2_IN_GGA(cons(H, X), Y, cons(H, Z)) -> AP2_IN_GGA(X, Y, Z) 5.36/2.16 U4_GA(Xs, X, Ys, X1s, X2s, ap2_out_gga(X1s, X2s, Zs)) -> U5_GA(Xs, X, Ys, perm_in_ga(Zs, Ys)) 5.36/2.16 U4_GA(Xs, X, Ys, X1s, X2s, ap2_out_gga(X1s, X2s, Zs)) -> PERM_IN_GA(Zs, Ys) 5.36/2.16 5.36/2.16 The TRS R consists of the following rules: 5.36/2.16 5.36/2.16 perm_in_ga(nil, nil) -> perm_out_ga(nil, nil) 5.36/2.16 perm_in_ga(Xs, cons(X, Ys)) -> U3_ga(Xs, X, Ys, ap1_in_aag(X1s, cons(X, X2s), Xs)) 5.36/2.16 ap1_in_aag(nil, X, X) -> ap1_out_aag(nil, X, X) 5.36/2.16 ap1_in_aag(cons(H, X), Y, cons(H, Z)) -> U1_aag(H, X, Y, Z, ap1_in_aag(X, Y, Z)) 5.36/2.16 U1_aag(H, X, Y, Z, ap1_out_aag(X, Y, Z)) -> ap1_out_aag(cons(H, X), Y, cons(H, Z)) 5.36/2.16 U3_ga(Xs, X, Ys, ap1_out_aag(X1s, cons(X, X2s), Xs)) -> U4_ga(Xs, X, Ys, X1s, X2s, ap2_in_gga(X1s, X2s, Zs)) 5.36/2.16 ap2_in_gga(nil, X, X) -> ap2_out_gga(nil, X, X) 5.36/2.16 ap2_in_gga(cons(H, X), Y, cons(H, Z)) -> U2_gga(H, X, Y, Z, ap2_in_gga(X, Y, Z)) 5.36/2.16 U2_gga(H, X, Y, Z, ap2_out_gga(X, Y, Z)) -> ap2_out_gga(cons(H, X), Y, cons(H, Z)) 5.36/2.16 U4_ga(Xs, X, Ys, X1s, X2s, ap2_out_gga(X1s, X2s, Zs)) -> U5_ga(Xs, X, Ys, perm_in_ga(Zs, Ys)) 5.36/2.16 U5_ga(Xs, X, Ys, perm_out_ga(Zs, Ys)) -> perm_out_ga(Xs, cons(X, Ys)) 5.36/2.16 5.36/2.16 The argument filtering Pi contains the following mapping: 5.36/2.16 perm_in_ga(x1, x2) = perm_in_ga(x1) 5.36/2.16 5.36/2.16 nil = nil 5.36/2.16 5.36/2.16 perm_out_ga(x1, x2) = perm_out_ga(x2) 5.36/2.16 5.36/2.16 U3_ga(x1, x2, x3, x4) = U3_ga(x4) 5.36/2.16 5.36/2.16 ap1_in_aag(x1, x2, x3) = ap1_in_aag(x3) 5.36/2.16 5.36/2.16 cons(x1, x2) = cons(x2) 5.36/2.16 5.36/2.16 ap1_out_aag(x1, x2, x3) = ap1_out_aag(x1, x2) 5.36/2.16 5.36/2.16 U1_aag(x1, x2, x3, x4, x5) = U1_aag(x5) 5.36/2.16 5.36/2.16 U4_ga(x1, x2, x3, x4, x5, x6) = U4_ga(x6) 5.36/2.16 5.36/2.16 ap2_in_gga(x1, x2, x3) = ap2_in_gga(x1, x2) 5.36/2.16 5.36/2.16 ap2_out_gga(x1, x2, x3) = ap2_out_gga(x3) 5.36/2.16 5.36/2.16 U2_gga(x1, x2, x3, x4, x5) = U2_gga(x5) 5.36/2.16 5.36/2.16 U5_ga(x1, x2, x3, x4) = U5_ga(x4) 5.36/2.16 5.36/2.16 PERM_IN_GA(x1, x2) = PERM_IN_GA(x1) 5.43/2.16 5.43/2.16 U3_GA(x1, x2, x3, x4) = U3_GA(x4) 5.43/2.16 5.43/2.16 AP1_IN_AAG(x1, x2, x3) = AP1_IN_AAG(x3) 5.43/2.16 5.43/2.16 U1_AAG(x1, x2, x3, x4, x5) = U1_AAG(x5) 5.43/2.16 5.43/2.16 U4_GA(x1, x2, x3, x4, x5, x6) = U4_GA(x6) 5.43/2.16 5.43/2.16 AP2_IN_GGA(x1, x2, x3) = AP2_IN_GGA(x1, x2) 5.43/2.16 5.43/2.16 U2_GGA(x1, x2, x3, x4, x5) = U2_GGA(x5) 5.43/2.16 5.43/2.16 U5_GA(x1, x2, x3, x4) = U5_GA(x4) 5.43/2.16 5.43/2.16 5.43/2.16 We have to consider all (P,R,Pi)-chains 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (5) DependencyGraphProof (EQUIVALENT) 5.43/2.16 The approximation of the Dependency Graph [LOPSTR] contains 3 SCCs with 5 less nodes. 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (6) 5.43/2.16 Complex Obligation (AND) 5.43/2.16 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (7) 5.43/2.16 Obligation: 5.43/2.16 Pi DP problem: 5.43/2.16 The TRS P consists of the following rules: 5.43/2.16 5.43/2.16 AP2_IN_GGA(cons(H, X), Y, cons(H, Z)) -> AP2_IN_GGA(X, Y, Z) 5.43/2.16 5.43/2.16 The TRS R consists of the following rules: 5.43/2.16 5.43/2.16 perm_in_ga(nil, nil) -> perm_out_ga(nil, nil) 5.43/2.16 perm_in_ga(Xs, cons(X, Ys)) -> U3_ga(Xs, X, Ys, ap1_in_aag(X1s, cons(X, X2s), Xs)) 5.43/2.16 ap1_in_aag(nil, X, X) -> ap1_out_aag(nil, X, X) 5.43/2.16 ap1_in_aag(cons(H, X), Y, cons(H, Z)) -> U1_aag(H, X, Y, Z, ap1_in_aag(X, Y, Z)) 5.43/2.16 U1_aag(H, X, Y, Z, ap1_out_aag(X, Y, Z)) -> ap1_out_aag(cons(H, X), Y, cons(H, Z)) 5.43/2.16 U3_ga(Xs, X, Ys, ap1_out_aag(X1s, cons(X, X2s), Xs)) -> U4_ga(Xs, X, Ys, X1s, X2s, ap2_in_gga(X1s, X2s, Zs)) 5.43/2.16 ap2_in_gga(nil, X, X) -> ap2_out_gga(nil, X, X) 5.43/2.16 ap2_in_gga(cons(H, X), Y, cons(H, Z)) -> U2_gga(H, X, Y, Z, ap2_in_gga(X, Y, Z)) 5.43/2.16 U2_gga(H, X, Y, Z, ap2_out_gga(X, Y, Z)) -> ap2_out_gga(cons(H, X), Y, cons(H, Z)) 5.43/2.16 U4_ga(Xs, X, Ys, X1s, X2s, ap2_out_gga(X1s, X2s, Zs)) -> U5_ga(Xs, X, Ys, perm_in_ga(Zs, Ys)) 5.43/2.16 U5_ga(Xs, X, Ys, perm_out_ga(Zs, Ys)) -> perm_out_ga(Xs, cons(X, Ys)) 5.43/2.16 5.43/2.16 The argument filtering Pi contains the following mapping: 5.43/2.16 perm_in_ga(x1, x2) = perm_in_ga(x1) 5.43/2.16 5.43/2.16 nil = nil 5.43/2.16 5.43/2.16 perm_out_ga(x1, x2) = perm_out_ga(x2) 5.43/2.16 5.43/2.16 U3_ga(x1, x2, x3, x4) = U3_ga(x4) 5.43/2.16 5.43/2.16 ap1_in_aag(x1, x2, x3) = ap1_in_aag(x3) 5.43/2.16 5.43/2.16 cons(x1, x2) = cons(x2) 5.43/2.16 5.43/2.16 ap1_out_aag(x1, x2, x3) = ap1_out_aag(x1, x2) 5.43/2.16 5.43/2.16 U1_aag(x1, x2, x3, x4, x5) = U1_aag(x5) 5.43/2.16 5.43/2.16 U4_ga(x1, x2, x3, x4, x5, x6) = U4_ga(x6) 5.43/2.16 5.43/2.16 ap2_in_gga(x1, x2, x3) = ap2_in_gga(x1, x2) 5.43/2.16 5.43/2.16 ap2_out_gga(x1, x2, x3) = ap2_out_gga(x3) 5.43/2.16 5.43/2.16 U2_gga(x1, x2, x3, x4, x5) = U2_gga(x5) 5.43/2.16 5.43/2.16 U5_ga(x1, x2, x3, x4) = U5_ga(x4) 5.43/2.16 5.43/2.16 AP2_IN_GGA(x1, x2, x3) = AP2_IN_GGA(x1, x2) 5.43/2.16 5.43/2.16 5.43/2.16 We have to consider all (P,R,Pi)-chains 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (8) UsableRulesProof (EQUIVALENT) 5.43/2.16 For (infinitary) constructor rewriting [LOPSTR] we can delete all non-usable rules from R. 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (9) 5.43/2.16 Obligation: 5.43/2.16 Pi DP problem: 5.43/2.16 The TRS P consists of the following rules: 5.43/2.16 5.43/2.16 AP2_IN_GGA(cons(H, X), Y, cons(H, Z)) -> AP2_IN_GGA(X, Y, Z) 5.43/2.16 5.43/2.16 R is empty. 5.43/2.16 The argument filtering Pi contains the following mapping: 5.43/2.16 cons(x1, x2) = cons(x2) 5.43/2.16 5.43/2.16 AP2_IN_GGA(x1, x2, x3) = AP2_IN_GGA(x1, x2) 5.43/2.16 5.43/2.16 5.43/2.16 We have to consider all (P,R,Pi)-chains 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (10) PiDPToQDPProof (SOUND) 5.43/2.16 Transforming (infinitary) constructor rewriting Pi-DP problem [LOPSTR] into ordinary QDP problem [LPAR04] by application of Pi. 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (11) 5.43/2.16 Obligation: 5.43/2.16 Q DP problem: 5.43/2.16 The TRS P consists of the following rules: 5.43/2.16 5.43/2.16 AP2_IN_GGA(cons(X), Y) -> AP2_IN_GGA(X, Y) 5.43/2.16 5.43/2.16 R is empty. 5.43/2.16 Q is empty. 5.43/2.16 We have to consider all (P,Q,R)-chains. 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (12) QDPSizeChangeProof (EQUIVALENT) 5.43/2.16 By using the subterm criterion [SUBTERM_CRITERION] together with the size-change analysis [AAECC05] we have proven that there are no infinite chains for this DP problem. 5.43/2.16 5.43/2.16 From the DPs we obtained the following set of size-change graphs: 5.43/2.16 *AP2_IN_GGA(cons(X), Y) -> AP2_IN_GGA(X, Y) 5.43/2.16 The graph contains the following edges 1 > 1, 2 >= 2 5.43/2.16 5.43/2.16 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (13) 5.43/2.16 YES 5.43/2.16 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (14) 5.43/2.16 Obligation: 5.43/2.16 Pi DP problem: 5.43/2.16 The TRS P consists of the following rules: 5.43/2.16 5.43/2.16 AP1_IN_AAG(cons(H, X), Y, cons(H, Z)) -> AP1_IN_AAG(X, Y, Z) 5.43/2.16 5.43/2.16 The TRS R consists of the following rules: 5.43/2.16 5.43/2.16 perm_in_ga(nil, nil) -> perm_out_ga(nil, nil) 5.43/2.16 perm_in_ga(Xs, cons(X, Ys)) -> U3_ga(Xs, X, Ys, ap1_in_aag(X1s, cons(X, X2s), Xs)) 5.43/2.16 ap1_in_aag(nil, X, X) -> ap1_out_aag(nil, X, X) 5.43/2.16 ap1_in_aag(cons(H, X), Y, cons(H, Z)) -> U1_aag(H, X, Y, Z, ap1_in_aag(X, Y, Z)) 5.43/2.16 U1_aag(H, X, Y, Z, ap1_out_aag(X, Y, Z)) -> ap1_out_aag(cons(H, X), Y, cons(H, Z)) 5.43/2.16 U3_ga(Xs, X, Ys, ap1_out_aag(X1s, cons(X, X2s), Xs)) -> U4_ga(Xs, X, Ys, X1s, X2s, ap2_in_gga(X1s, X2s, Zs)) 5.43/2.16 ap2_in_gga(nil, X, X) -> ap2_out_gga(nil, X, X) 5.43/2.16 ap2_in_gga(cons(H, X), Y, cons(H, Z)) -> U2_gga(H, X, Y, Z, ap2_in_gga(X, Y, Z)) 5.43/2.16 U2_gga(H, X, Y, Z, ap2_out_gga(X, Y, Z)) -> ap2_out_gga(cons(H, X), Y, cons(H, Z)) 5.43/2.16 U4_ga(Xs, X, Ys, X1s, X2s, ap2_out_gga(X1s, X2s, Zs)) -> U5_ga(Xs, X, Ys, perm_in_ga(Zs, Ys)) 5.43/2.16 U5_ga(Xs, X, Ys, perm_out_ga(Zs, Ys)) -> perm_out_ga(Xs, cons(X, Ys)) 5.43/2.16 5.43/2.16 The argument filtering Pi contains the following mapping: 5.43/2.16 perm_in_ga(x1, x2) = perm_in_ga(x1) 5.43/2.16 5.43/2.16 nil = nil 5.43/2.16 5.43/2.16 perm_out_ga(x1, x2) = perm_out_ga(x2) 5.43/2.16 5.43/2.16 U3_ga(x1, x2, x3, x4) = U3_ga(x4) 5.43/2.16 5.43/2.16 ap1_in_aag(x1, x2, x3) = ap1_in_aag(x3) 5.43/2.16 5.43/2.16 cons(x1, x2) = cons(x2) 5.43/2.16 5.43/2.16 ap1_out_aag(x1, x2, x3) = ap1_out_aag(x1, x2) 5.43/2.16 5.43/2.16 U1_aag(x1, x2, x3, x4, x5) = U1_aag(x5) 5.43/2.16 5.43/2.16 U4_ga(x1, x2, x3, x4, x5, x6) = U4_ga(x6) 5.43/2.16 5.43/2.16 ap2_in_gga(x1, x2, x3) = ap2_in_gga(x1, x2) 5.43/2.16 5.43/2.16 ap2_out_gga(x1, x2, x3) = ap2_out_gga(x3) 5.43/2.16 5.43/2.16 U2_gga(x1, x2, x3, x4, x5) = U2_gga(x5) 5.43/2.16 5.43/2.16 U5_ga(x1, x2, x3, x4) = U5_ga(x4) 5.43/2.16 5.43/2.16 AP1_IN_AAG(x1, x2, x3) = AP1_IN_AAG(x3) 5.43/2.16 5.43/2.16 5.43/2.16 We have to consider all (P,R,Pi)-chains 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (15) UsableRulesProof (EQUIVALENT) 5.43/2.16 For (infinitary) constructor rewriting [LOPSTR] we can delete all non-usable rules from R. 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (16) 5.43/2.16 Obligation: 5.43/2.16 Pi DP problem: 5.43/2.16 The TRS P consists of the following rules: 5.43/2.16 5.43/2.16 AP1_IN_AAG(cons(H, X), Y, cons(H, Z)) -> AP1_IN_AAG(X, Y, Z) 5.43/2.16 5.43/2.16 R is empty. 5.43/2.16 The argument filtering Pi contains the following mapping: 5.43/2.16 cons(x1, x2) = cons(x2) 5.43/2.16 5.43/2.16 AP1_IN_AAG(x1, x2, x3) = AP1_IN_AAG(x3) 5.43/2.16 5.43/2.16 5.43/2.16 We have to consider all (P,R,Pi)-chains 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (17) PiDPToQDPProof (SOUND) 5.43/2.16 Transforming (infinitary) constructor rewriting Pi-DP problem [LOPSTR] into ordinary QDP problem [LPAR04] by application of Pi. 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (18) 5.43/2.16 Obligation: 5.43/2.16 Q DP problem: 5.43/2.16 The TRS P consists of the following rules: 5.43/2.16 5.43/2.16 AP1_IN_AAG(cons(Z)) -> AP1_IN_AAG(Z) 5.43/2.16 5.43/2.16 R is empty. 5.43/2.16 Q is empty. 5.43/2.16 We have to consider all (P,Q,R)-chains. 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (19) QDPSizeChangeProof (EQUIVALENT) 5.43/2.16 By using the subterm criterion [SUBTERM_CRITERION] together with the size-change analysis [AAECC05] we have proven that there are no infinite chains for this DP problem. 5.43/2.16 5.43/2.16 From the DPs we obtained the following set of size-change graphs: 5.43/2.16 *AP1_IN_AAG(cons(Z)) -> AP1_IN_AAG(Z) 5.43/2.16 The graph contains the following edges 1 > 1 5.43/2.16 5.43/2.16 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (20) 5.43/2.16 YES 5.43/2.16 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (21) 5.43/2.16 Obligation: 5.43/2.16 Pi DP problem: 5.43/2.16 The TRS P consists of the following rules: 5.43/2.16 5.43/2.16 U3_GA(Xs, X, Ys, ap1_out_aag(X1s, cons(X, X2s), Xs)) -> U4_GA(Xs, X, Ys, X1s, X2s, ap2_in_gga(X1s, X2s, Zs)) 5.43/2.16 U4_GA(Xs, X, Ys, X1s, X2s, ap2_out_gga(X1s, X2s, Zs)) -> PERM_IN_GA(Zs, Ys) 5.43/2.16 PERM_IN_GA(Xs, cons(X, Ys)) -> U3_GA(Xs, X, Ys, ap1_in_aag(X1s, cons(X, X2s), Xs)) 5.43/2.16 5.43/2.16 The TRS R consists of the following rules: 5.43/2.16 5.43/2.16 perm_in_ga(nil, nil) -> perm_out_ga(nil, nil) 5.43/2.16 perm_in_ga(Xs, cons(X, Ys)) -> U3_ga(Xs, X, Ys, ap1_in_aag(X1s, cons(X, X2s), Xs)) 5.43/2.16 ap1_in_aag(nil, X, X) -> ap1_out_aag(nil, X, X) 5.43/2.16 ap1_in_aag(cons(H, X), Y, cons(H, Z)) -> U1_aag(H, X, Y, Z, ap1_in_aag(X, Y, Z)) 5.43/2.16 U1_aag(H, X, Y, Z, ap1_out_aag(X, Y, Z)) -> ap1_out_aag(cons(H, X), Y, cons(H, Z)) 5.43/2.16 U3_ga(Xs, X, Ys, ap1_out_aag(X1s, cons(X, X2s), Xs)) -> U4_ga(Xs, X, Ys, X1s, X2s, ap2_in_gga(X1s, X2s, Zs)) 5.43/2.16 ap2_in_gga(nil, X, X) -> ap2_out_gga(nil, X, X) 5.43/2.16 ap2_in_gga(cons(H, X), Y, cons(H, Z)) -> U2_gga(H, X, Y, Z, ap2_in_gga(X, Y, Z)) 5.43/2.16 U2_gga(H, X, Y, Z, ap2_out_gga(X, Y, Z)) -> ap2_out_gga(cons(H, X), Y, cons(H, Z)) 5.43/2.16 U4_ga(Xs, X, Ys, X1s, X2s, ap2_out_gga(X1s, X2s, Zs)) -> U5_ga(Xs, X, Ys, perm_in_ga(Zs, Ys)) 5.43/2.16 U5_ga(Xs, X, Ys, perm_out_ga(Zs, Ys)) -> perm_out_ga(Xs, cons(X, Ys)) 5.43/2.16 5.43/2.16 The argument filtering Pi contains the following mapping: 5.43/2.16 perm_in_ga(x1, x2) = perm_in_ga(x1) 5.43/2.16 5.43/2.16 nil = nil 5.43/2.16 5.43/2.16 perm_out_ga(x1, x2) = perm_out_ga(x2) 5.43/2.16 5.43/2.16 U3_ga(x1, x2, x3, x4) = U3_ga(x4) 5.43/2.16 5.43/2.16 ap1_in_aag(x1, x2, x3) = ap1_in_aag(x3) 5.43/2.16 5.43/2.16 cons(x1, x2) = cons(x2) 5.43/2.16 5.43/2.16 ap1_out_aag(x1, x2, x3) = ap1_out_aag(x1, x2) 5.43/2.16 5.43/2.16 U1_aag(x1, x2, x3, x4, x5) = U1_aag(x5) 5.43/2.16 5.43/2.16 U4_ga(x1, x2, x3, x4, x5, x6) = U4_ga(x6) 5.43/2.16 5.43/2.16 ap2_in_gga(x1, x2, x3) = ap2_in_gga(x1, x2) 5.43/2.16 5.43/2.16 ap2_out_gga(x1, x2, x3) = ap2_out_gga(x3) 5.43/2.16 5.43/2.16 U2_gga(x1, x2, x3, x4, x5) = U2_gga(x5) 5.43/2.16 5.43/2.16 U5_ga(x1, x2, x3, x4) = U5_ga(x4) 5.43/2.16 5.43/2.16 PERM_IN_GA(x1, x2) = PERM_IN_GA(x1) 5.43/2.16 5.43/2.16 U3_GA(x1, x2, x3, x4) = U3_GA(x4) 5.43/2.16 5.43/2.16 U4_GA(x1, x2, x3, x4, x5, x6) = U4_GA(x6) 5.43/2.16 5.43/2.16 5.43/2.16 We have to consider all (P,R,Pi)-chains 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (22) UsableRulesProof (EQUIVALENT) 5.43/2.16 For (infinitary) constructor rewriting [LOPSTR] we can delete all non-usable rules from R. 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (23) 5.43/2.16 Obligation: 5.43/2.16 Pi DP problem: 5.43/2.16 The TRS P consists of the following rules: 5.43/2.16 5.43/2.16 U3_GA(Xs, X, Ys, ap1_out_aag(X1s, cons(X, X2s), Xs)) -> U4_GA(Xs, X, Ys, X1s, X2s, ap2_in_gga(X1s, X2s, Zs)) 5.43/2.16 U4_GA(Xs, X, Ys, X1s, X2s, ap2_out_gga(X1s, X2s, Zs)) -> PERM_IN_GA(Zs, Ys) 5.43/2.16 PERM_IN_GA(Xs, cons(X, Ys)) -> U3_GA(Xs, X, Ys, ap1_in_aag(X1s, cons(X, X2s), Xs)) 5.43/2.16 5.43/2.16 The TRS R consists of the following rules: 5.43/2.16 5.43/2.16 ap2_in_gga(nil, X, X) -> ap2_out_gga(nil, X, X) 5.43/2.16 ap2_in_gga(cons(H, X), Y, cons(H, Z)) -> U2_gga(H, X, Y, Z, ap2_in_gga(X, Y, Z)) 5.43/2.16 ap1_in_aag(nil, X, X) -> ap1_out_aag(nil, X, X) 5.43/2.16 ap1_in_aag(cons(H, X), Y, cons(H, Z)) -> U1_aag(H, X, Y, Z, ap1_in_aag(X, Y, Z)) 5.43/2.16 U2_gga(H, X, Y, Z, ap2_out_gga(X, Y, Z)) -> ap2_out_gga(cons(H, X), Y, cons(H, Z)) 5.43/2.16 U1_aag(H, X, Y, Z, ap1_out_aag(X, Y, Z)) -> ap1_out_aag(cons(H, X), Y, cons(H, Z)) 5.43/2.16 5.43/2.16 The argument filtering Pi contains the following mapping: 5.43/2.16 nil = nil 5.43/2.16 5.43/2.16 ap1_in_aag(x1, x2, x3) = ap1_in_aag(x3) 5.43/2.16 5.43/2.16 cons(x1, x2) = cons(x2) 5.43/2.16 5.43/2.16 ap1_out_aag(x1, x2, x3) = ap1_out_aag(x1, x2) 5.43/2.16 5.43/2.16 U1_aag(x1, x2, x3, x4, x5) = U1_aag(x5) 5.43/2.16 5.43/2.16 ap2_in_gga(x1, x2, x3) = ap2_in_gga(x1, x2) 5.43/2.16 5.43/2.16 ap2_out_gga(x1, x2, x3) = ap2_out_gga(x3) 5.43/2.16 5.43/2.16 U2_gga(x1, x2, x3, x4, x5) = U2_gga(x5) 5.43/2.16 5.43/2.16 PERM_IN_GA(x1, x2) = PERM_IN_GA(x1) 5.43/2.16 5.43/2.16 U3_GA(x1, x2, x3, x4) = U3_GA(x4) 5.43/2.16 5.43/2.16 U4_GA(x1, x2, x3, x4, x5, x6) = U4_GA(x6) 5.43/2.16 5.43/2.16 5.43/2.16 We have to consider all (P,R,Pi)-chains 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (24) PiDPToQDPProof (SOUND) 5.43/2.16 Transforming (infinitary) constructor rewriting Pi-DP problem [LOPSTR] into ordinary QDP problem [LPAR04] by application of Pi. 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (25) 5.43/2.16 Obligation: 5.43/2.16 Q DP problem: 5.43/2.16 The TRS P consists of the following rules: 5.43/2.16 5.43/2.16 U3_GA(ap1_out_aag(X1s, cons(X2s))) -> U4_GA(ap2_in_gga(X1s, X2s)) 5.43/2.16 U4_GA(ap2_out_gga(Zs)) -> PERM_IN_GA(Zs) 5.43/2.16 PERM_IN_GA(Xs) -> U3_GA(ap1_in_aag(Xs)) 5.43/2.16 5.43/2.16 The TRS R consists of the following rules: 5.43/2.16 5.43/2.16 ap2_in_gga(nil, X) -> ap2_out_gga(X) 5.43/2.16 ap2_in_gga(cons(X), Y) -> U2_gga(ap2_in_gga(X, Y)) 5.43/2.16 ap1_in_aag(X) -> ap1_out_aag(nil, X) 5.43/2.16 ap1_in_aag(cons(Z)) -> U1_aag(ap1_in_aag(Z)) 5.43/2.16 U2_gga(ap2_out_gga(Z)) -> ap2_out_gga(cons(Z)) 5.43/2.16 U1_aag(ap1_out_aag(X, Y)) -> ap1_out_aag(cons(X), Y) 5.43/2.16 5.43/2.16 The set Q consists of the following terms: 5.43/2.16 5.43/2.16 ap2_in_gga(x0, x1) 5.43/2.16 ap1_in_aag(x0) 5.43/2.16 U2_gga(x0) 5.43/2.16 U1_aag(x0) 5.43/2.16 5.43/2.16 We have to consider all (P,Q,R)-chains. 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (26) MRRProof (EQUIVALENT) 5.43/2.16 By using the rule removal processor [LPAR04] with the following ordering, at least one Dependency Pair or term rewrite system rule of this QDP problem can be strictly oriented. 5.43/2.16 5.43/2.16 Strictly oriented dependency pairs: 5.43/2.16 5.43/2.16 U3_GA(ap1_out_aag(X1s, cons(X2s))) -> U4_GA(ap2_in_gga(X1s, X2s)) 5.43/2.16 U4_GA(ap2_out_gga(Zs)) -> PERM_IN_GA(Zs) 5.43/2.16 PERM_IN_GA(Xs) -> U3_GA(ap1_in_aag(Xs)) 5.43/2.16 5.43/2.16 Strictly oriented rules of the TRS R: 5.43/2.16 5.43/2.16 ap2_in_gga(nil, X) -> ap2_out_gga(X) 5.43/2.16 ap2_in_gga(cons(X), Y) -> U2_gga(ap2_in_gga(X, Y)) 5.43/2.16 ap1_in_aag(X) -> ap1_out_aag(nil, X) 5.43/2.16 ap1_in_aag(cons(Z)) -> U1_aag(ap1_in_aag(Z)) 5.43/2.16 U2_gga(ap2_out_gga(Z)) -> ap2_out_gga(cons(Z)) 5.43/2.16 U1_aag(ap1_out_aag(X, Y)) -> ap1_out_aag(cons(X), Y) 5.43/2.16 5.43/2.16 Used ordering: Knuth-Bendix order [KBO] with precedence:ap2_in_gga_2 > nil > PERM_IN_GA_1 > cons_1 > U4_GA_1 > ap1_in_aag_1 > U3_GA_1 > U1_aag_1 > ap1_out_aag_2 > U2_gga_1 > ap2_out_gga_1 5.43/2.16 5.43/2.16 and weight map: 5.43/2.16 5.43/2.16 nil=2 5.43/2.16 ap2_out_gga_1=6 5.43/2.16 cons_1=7 5.43/2.16 U2_gga_1=7 5.43/2.16 ap1_in_aag_1=2 5.43/2.16 U1_aag_1=7 5.43/2.16 U3_GA_1=3 5.43/2.16 U4_GA_1=1 5.43/2.16 PERM_IN_GA_1=6 5.43/2.16 ap2_in_gga_2=8 5.43/2.16 ap1_out_aag_2=0 5.43/2.16 5.43/2.16 The variable weight is 1 5.43/2.16 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (27) 5.43/2.16 Obligation: 5.43/2.16 Q DP problem: 5.43/2.16 P is empty. 5.43/2.16 R is empty. 5.43/2.16 The set Q consists of the following terms: 5.43/2.16 5.43/2.16 ap2_in_gga(x0, x1) 5.43/2.16 ap1_in_aag(x0) 5.43/2.16 U2_gga(x0) 5.43/2.16 U1_aag(x0) 5.43/2.16 5.43/2.16 We have to consider all (P,Q,R)-chains. 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (28) PisEmptyProof (EQUIVALENT) 5.43/2.16 The TRS P is empty. Hence, there is no (P,Q,R) chain. 5.43/2.16 ---------------------------------------- 5.43/2.16 5.43/2.16 (29) 5.43/2.16 YES 5.50/2.22 EOF