Certification Problem

Input (TPDB TRS_Standard/Transformed_CSR_04/MYNAT_complete_GM)

The rewrite relation of the following TRS is considered.

a__U11(tt,V1,V2) a__U12(a__isNat(V1),V2) (1)
a__U12(tt,V2) a__U13(a__isNat(V2)) (2)
a__U13(tt) tt (3)
a__U21(tt,V1) a__U22(a__isNat(V1)) (4)
a__U22(tt) tt (5)
a__U31(tt,V1,V2) a__U32(a__isNat(V1),V2) (6)
a__U32(tt,V2) a__U33(a__isNat(V2)) (7)
a__U33(tt) tt (8)
a__U41(tt,N) mark(N) (9)
a__U51(tt,M,N) s(a__plus(mark(N),mark(M))) (10)
a__U61(tt) 0 (11)
a__U71(tt,M,N) a__plus(a__x(mark(N),mark(M)),mark(N)) (12)
a__and(tt,X) mark(X) (13)
a__isNat(0) tt (14)
a__isNat(plus(V1,V2)) a__U11(a__and(a__isNatKind(V1),isNatKind(V2)),V1,V2) (15)
a__isNat(s(V1)) a__U21(a__isNatKind(V1),V1) (16)
a__isNat(x(V1,V2)) a__U31(a__and(a__isNatKind(V1),isNatKind(V2)),V1,V2) (17)
a__isNatKind(0) tt (18)
a__isNatKind(plus(V1,V2)) a__and(a__isNatKind(V1),isNatKind(V2)) (19)
a__isNatKind(s(V1)) a__isNatKind(V1) (20)
a__isNatKind(x(V1,V2)) a__and(a__isNatKind(V1),isNatKind(V2)) (21)
a__plus(N,0) a__U41(a__and(a__isNat(N),isNatKind(N)),N) (22)
a__plus(N,s(M)) a__U51(a__and(a__and(a__isNat(M),isNatKind(M)),and(isNat(N),isNatKind(N))),M,N) (23)
a__x(N,0) a__U61(a__and(a__isNat(N),isNatKind(N))) (24)
a__x(N,s(M)) a__U71(a__and(a__and(a__isNat(M),isNatKind(M)),and(isNat(N),isNatKind(N))),M,N) (25)
mark(U11(X1,X2,X3)) a__U11(mark(X1),X2,X3) (26)
mark(U12(X1,X2)) a__U12(mark(X1),X2) (27)
mark(isNat(X)) a__isNat(X) (28)
mark(U13(X)) a__U13(mark(X)) (29)
mark(U21(X1,X2)) a__U21(mark(X1),X2) (30)
mark(U22(X)) a__U22(mark(X)) (31)
mark(U31(X1,X2,X3)) a__U31(mark(X1),X2,X3) (32)
mark(U32(X1,X2)) a__U32(mark(X1),X2) (33)
mark(U33(X)) a__U33(mark(X)) (34)
mark(U41(X1,X2)) a__U41(mark(X1),X2) (35)
mark(U51(X1,X2,X3)) a__U51(mark(X1),X2,X3) (36)
mark(plus(X1,X2)) a__plus(mark(X1),mark(X2)) (37)
mark(U61(X)) a__U61(mark(X)) (38)
mark(U71(X1,X2,X3)) a__U71(mark(X1),X2,X3) (39)
mark(x(X1,X2)) a__x(mark(X1),mark(X2)) (40)
mark(and(X1,X2)) a__and(mark(X1),X2) (41)
mark(isNatKind(X)) a__isNatKind(X) (42)
mark(tt) tt (43)
mark(s(X)) s(mark(X)) (44)
mark(0) 0 (45)
a__U11(X1,X2,X3) U11(X1,X2,X3) (46)
a__U12(X1,X2) U12(X1,X2) (47)
a__isNat(X) isNat(X) (48)
a__U13(X) U13(X) (49)
a__U21(X1,X2) U21(X1,X2) (50)
a__U22(X) U22(X) (51)
a__U31(X1,X2,X3) U31(X1,X2,X3) (52)
a__U32(X1,X2) U32(X1,X2) (53)
a__U33(X) U33(X) (54)
a__U41(X1,X2) U41(X1,X2) (55)
a__U51(X1,X2,X3) U51(X1,X2,X3) (56)
a__plus(X1,X2) plus(X1,X2) (57)
a__U61(X) U61(X) (58)
a__U71(X1,X2,X3) U71(X1,X2,X3) (59)
a__x(X1,X2) x(X1,X2) (60)
a__and(X1,X2) and(X1,X2) (61)
a__isNatKind(X) isNatKind(X) (62)

Property / Task

Prove or disprove termination.

Answer / Result

Yes.

Proof (by NaTT @ termCOMP 2023)

1 Dependency Pair Transformation

The following set of initial dependency pairs has been identified.
a__U12#(tt,V2) a__isNat#(V2) (63)
a__U32#(tt,V2) a__U33#(a__isNat(V2)) (64)
a__U71#(tt,M,N) a__plus#(a__x(mark(N),mark(M)),mark(N)) (65)
mark#(U22(X)) mark#(X) (66)
a__isNatKind#(plus(V1,V2)) a__and#(a__isNatKind(V1),isNatKind(V2)) (67)
mark#(U71(X1,X2,X3)) mark#(X1) (68)
a__isNatKind#(s(V1)) a__isNatKind#(V1) (69)
a__x#(N,s(M)) a__isNat#(M) (70)
mark#(U21(X1,X2)) mark#(X1) (71)
a__isNatKind#(x(V1,V2)) a__isNatKind#(V1) (72)
a__U51#(tt,M,N) a__plus#(mark(N),mark(M)) (73)
mark#(isNat(X)) a__isNat#(X) (74)
mark#(U51(X1,X2,X3)) mark#(X1) (75)
a__U51#(tt,M,N) mark#(N) (76)
a__isNat#(s(V1)) a__isNatKind#(V1) (77)
a__isNat#(s(V1)) a__U21#(a__isNatKind(V1),V1) (78)
mark#(U33(X)) mark#(X) (79)
a__isNat#(x(V1,V2)) a__U31#(a__and(a__isNatKind(V1),isNatKind(V2)),V1,V2) (80)
a__x#(N,s(M)) a__U71#(a__and(a__and(a__isNat(M),isNatKind(M)),and(isNat(N),isNatKind(N))),M,N) (81)
mark#(U41(X1,X2)) mark#(X1) (82)
mark#(U12(X1,X2)) a__U12#(mark(X1),X2) (83)
a__plus#(N,0) a__and#(a__isNat(N),isNatKind(N)) (84)
a__isNatKind#(plus(V1,V2)) a__isNatKind#(V1) (85)
a__x#(N,s(M)) a__and#(a__isNat(M),isNatKind(M)) (86)
mark#(U32(X1,X2)) mark#(X1) (87)
mark#(U61(X)) a__U61#(mark(X)) (88)
mark#(and(X1,X2)) mark#(X1) (89)
mark#(plus(X1,X2)) mark#(X1) (90)
mark#(U33(X)) a__U33#(mark(X)) (91)
a__U11#(tt,V1,V2) a__U12#(a__isNat(V1),V2) (92)
a__x#(N,0) a__isNat#(N) (93)
mark#(U51(X1,X2,X3)) a__U51#(mark(X1),X2,X3) (94)
a__x#(N,0) a__and#(a__isNat(N),isNatKind(N)) (95)
a__U21#(tt,V1) a__U22#(a__isNat(V1)) (96)
a__isNat#(plus(V1,V2)) a__U11#(a__and(a__isNatKind(V1),isNatKind(V2)),V1,V2) (97)
mark#(U71(X1,X2,X3)) a__U71#(mark(X1),X2,X3) (98)
mark#(U11(X1,X2,X3)) mark#(X1) (99)
mark#(plus(X1,X2)) mark#(X2) (100)
a__U71#(tt,M,N) mark#(N) (101)
a__isNat#(plus(V1,V2)) a__and#(a__isNatKind(V1),isNatKind(V2)) (102)
a__plus#(N,0) a__isNat#(N) (103)
a__U21#(tt,V1) a__isNat#(V1) (104)
mark#(U61(X)) mark#(X) (105)
a__isNat#(x(V1,V2)) a__and#(a__isNatKind(V1),isNatKind(V2)) (106)
a__U71#(tt,M,N) a__x#(mark(N),mark(M)) (107)
mark#(s(X)) mark#(X) (108)
a__U51#(tt,M,N) mark#(M) (109)
a__plus#(N,s(M)) a__U51#(a__and(a__and(a__isNat(M),isNatKind(M)),and(isNat(N),isNatKind(N))),M,N) (110)
a__and#(tt,X) mark#(X) (111)
mark#(isNatKind(X)) a__isNatKind#(X) (112)
a__x#(N,s(M)) a__and#(a__and(a__isNat(M),isNatKind(M)),and(isNat(N),isNatKind(N))) (113)
mark#(plus(X1,X2)) a__plus#(mark(X1),mark(X2)) (114)
mark#(U31(X1,X2,X3)) a__U31#(mark(X1),X2,X3) (115)
a__U71#(tt,M,N) mark#(N) (101)
a__isNatKind#(x(V1,V2)) a__and#(a__isNatKind(V1),isNatKind(V2)) (116)
mark#(U41(X1,X2)) a__U41#(mark(X1),X2) (117)
a__U32#(tt,V2) a__isNat#(V2) (118)
mark#(U31(X1,X2,X3)) mark#(X1) (119)
a__plus#(N,s(M)) a__isNat#(M) (120)
a__x#(N,0) a__U61#(a__and(a__isNat(N),isNatKind(N))) (121)
mark#(U22(X)) a__U22#(mark(X)) (122)
a__plus#(N,s(M)) a__and#(a__isNat(M),isNatKind(M)) (123)
mark#(U12(X1,X2)) mark#(X1) (124)
mark#(x(X1,X2)) a__x#(mark(X1),mark(X2)) (125)
a__U71#(tt,M,N) mark#(M) (126)
mark#(x(X1,X2)) mark#(X2) (127)
a__isNat#(x(V1,V2)) a__isNatKind#(V1) (128)
a__plus#(N,s(M)) a__and#(a__and(a__isNat(M),isNatKind(M)),and(isNat(N),isNatKind(N))) (129)
mark#(U11(X1,X2,X3)) a__U11#(mark(X1),X2,X3) (130)
mark#(U21(X1,X2)) a__U21#(mark(X1),X2) (131)
a__U41#(tt,N) mark#(N) (132)
a__U31#(tt,V1,V2) a__isNat#(V1) (133)
mark#(U13(X)) a__U13#(mark(X)) (134)
a__U11#(tt,V1,V2) a__isNat#(V1) (135)
a__U12#(tt,V2) a__U13#(a__isNat(V2)) (136)
a__plus#(N,0) a__U41#(a__and(a__isNat(N),isNatKind(N)),N) (137)
mark#(and(X1,X2)) a__and#(mark(X1),X2) (138)
a__U31#(tt,V1,V2) a__U32#(a__isNat(V1),V2) (139)
mark#(U13(X)) mark#(X) (140)
a__isNat#(plus(V1,V2)) a__isNatKind#(V1) (141)
mark#(U32(X1,X2)) a__U32#(mark(X1),X2) (142)
mark#(x(X1,X2)) mark#(X1) (143)

1.1 Dependency Graph Processor

The dependency pairs are split into 1 component.