TIMEOUT
The TRS could not be proven terminating. The proof attempt took 60019 ms.
The following DP Processors were used
Problem 1 was processed with processor DependencyGraph (22684ms).
| Problem 2 was processed with processor SubtermCriterion (5ms).
| Problem 3 was processed with processor SubtermCriterion (3ms).
| Problem 4 was processed with processor DependencyGraph (621ms).
| | Problem 24 remains open; application of the following processors failed [PolynomialLinearRange4iUR (0ms), DependencyGraph (314ms), PolynomialLinearRange8NegiUR (42ms), DependencyGraph (315ms)].
| Problem 5 was processed with processor SubtermCriterion (2ms).
| Problem 6 was processed with processor SubtermCriterion (2ms).
| Problem 7 was processed with processor SubtermCriterion (3ms).
| Problem 8 was processed with processor SubtermCriterion (2ms).
| Problem 9 was processed with processor SubtermCriterion (2ms).
| Problem 10 was processed with processor SubtermCriterion (3ms).
| Problem 11 was processed with processor DependencyGraph (546ms).
| | Problem 25 remains open; application of the following processors failed [PolynomialLinearRange4iUR (4ms), DependencyGraph (329ms), PolynomialLinearRange8NegiUR (1ms), DependencyGraph (327ms)].
| Problem 12 was processed with processor SubtermCriterion (3ms).
| Problem 13 was processed with processor SubtermCriterion (3ms).
| | Problem 22 remains open; application of the following processors failed [DependencyGraph (2ms), PolynomialLinearRange4iUR (4ms), DependencyGraph (3ms), PolynomialLinearRange8NegiUR (60ms), DependencyGraph (3ms)].
| Problem 14 was processed with processor SubtermCriterion (2ms).
| | Problem 23 remains open; application of the following processors failed [DependencyGraph (5ms), PolynomialLinearRange4iUR (26ms), DependencyGraph (4ms), PolynomialLinearRange8NegiUR (19ms), DependencyGraph (3ms)].
| Problem 15 was processed with processor SubtermCriterion (2ms).
| Problem 16 was processed with processor SubtermCriterion (2ms).
| Problem 17 was processed with processor SubtermCriterion (4ms).
| Problem 18 was processed with processor SubtermCriterion (4ms).
| Problem 19 was processed with processor SubtermCriterion (2ms).
| Problem 20 was processed with processor SubtermCriterion (2ms).
| Problem 21 remains open; application of the following processors failed [SubtermCriterion (1ms), DependencyGraph (7ms), PolynomialLinearRange4iUR (2000ms), DependencyGraph (7ms), PolynomialLinearRange8NegiUR (6000ms), DependencyGraph (8ms), ReductionPairSAT (timeout)].
The following open problems remain:
Open Dependency Pair Problem 21
Dependency Pairs
top#(mark(X)) | → | top#(proper(X)) | | top#(ok(X)) | → | top#(active(X)) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, active, U11, ok, U12, proper, U31, U32, U21, top, x
Open Dependency Pair Problem 23
Dependency Pairs
x#(X1, mark(X2)) | → | x#(X1, X2) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Open Dependency Pair Problem 22
Dependency Pairs
plus#(X1, mark(X2)) | → | plus#(X1, X2) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Open Dependency Pair Problem 25
Dependency Pairs
active#(U51(X1, X2, X3)) | → | active#(X1) | | active#(U71(X1, X2, X3)) | → | active#(X1) |
active#(U32(X)) | → | active#(X) | | active#(U12(X)) | → | active#(X) |
active#(x(X1, X2)) | → | active#(X1) | | active#(U21(X)) | → | active#(X) |
active#(U41(X1, X2)) | → | active#(X1) | | active#(U72(X1, X2, X3)) | → | active#(X1) |
active#(plus(X1, X2)) | → | active#(X1) | | active#(s(X)) | → | active#(X) |
active#(U52(X1, X2, X3)) | → | active#(X1) | | active#(x(X1, X2)) | → | active#(X2) |
active#(U61(X)) | → | active#(X) | | active#(U31(X1, X2)) | → | active#(X1) |
active#(plus(X1, X2)) | → | active#(X2) | | active#(U11(X1, X2)) | → | active#(X1) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, active, U11, ok, U12, proper, U31, U32, U21, top, x
Open Dependency Pair Problem 24
Dependency Pairs
active#(U51(X1, X2, X3)) | → | active#(X1) | | active#(U71(X1, X2, X3)) | → | active#(X1) |
active#(U32(X)) | → | active#(X) | | active#(U12(X)) | → | active#(X) |
active#(x(X1, X2)) | → | active#(X1) | | active#(U21(X)) | → | active#(X) |
active#(U41(X1, X2)) | → | active#(X1) | | active#(U72(X1, X2, X3)) | → | active#(X1) |
active#(plus(X1, X2)) | → | active#(X1) | | active#(s(X)) | → | active#(X) |
active#(U52(X1, X2, X3)) | → | active#(X1) | | active#(x(X1, X2)) | → | active#(X2) |
active#(U61(X)) | → | active#(X) | | active#(U31(X1, X2)) | → | active#(X1) |
active#(plus(X1, X2)) | → | active#(X2) | | active#(U11(X1, X2)) | → | active#(X1) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, active, U11, ok, U12, proper, U31, U32, U21, top, x
Problem 1: DependencyGraph
Dependency Pair Problem
Dependency Pairs
proper#(U41(X1, X2)) | → | proper#(X2) | | active#(U71(X1, X2, X3)) | → | U71#(active(X1), X2, X3) |
proper#(U41(X1, X2)) | → | proper#(X1) | | proper#(U11(X1, X2)) | → | proper#(X1) |
active#(U12(X)) | → | active#(X) | | active#(U21(X)) | → | U21#(active(X)) |
U72#(mark(X1), X2, X3) | → | U72#(X1, X2, X3) | | U11#(mark(X1), X2) | → | U11#(X1, X2) |
proper#(U72(X1, X2, X3)) | → | proper#(X2) | | proper#(U11(X1, X2)) | → | proper#(X2) |
proper#(U71(X1, X2, X3)) | → | U71#(proper(X1), proper(X2), proper(X3)) | | proper#(U71(X1, X2, X3)) | → | proper#(X1) |
x#(ok(X1), ok(X2)) | → | x#(X1, X2) | | x#(X1, mark(X2)) | → | x#(X1, X2) |
top#(mark(X)) | → | proper#(X) | | active#(plus(N, 0)) | → | isNat#(N) |
active#(x(N, 0)) | → | U61#(isNat(N)) | | active#(U32(X)) | → | active#(X) |
active#(U71(X1, X2, X3)) | → | active#(X1) | | U71#(mark(X1), X2, X3) | → | U71#(X1, X2, X3) |
proper#(U12(X)) | → | U12#(proper(X)) | | isNat#(ok(X)) | → | isNat#(X) |
proper#(U71(X1, X2, X3)) | → | proper#(X3) | | active#(isNat(x(V1, V2))) | → | U31#(isNat(V1), V2) |
active#(x(N, s(M))) | → | U71#(isNat(M), M, N) | | proper#(U52(X1, X2, X3)) | → | proper#(X2) |
proper#(U51(X1, X2, X3)) | → | proper#(X1) | | active#(U41(X1, X2)) | → | active#(X1) |
proper#(U21(X)) | → | U21#(proper(X)) | | active#(U31(tt, V2)) | → | U32#(isNat(V2)) |
proper#(U32(X)) | → | U32#(proper(X)) | | active#(plus(X1, X2)) | → | active#(X2) |
plus#(mark(X1), X2) | → | plus#(X1, X2) | | proper#(U72(X1, X2, X3)) | → | proper#(X3) |
active#(plus(N, 0)) | → | U41#(isNat(N), N) | | proper#(U51(X1, X2, X3)) | → | proper#(X2) |
U51#(ok(X1), ok(X2), ok(X3)) | → | U51#(X1, X2, X3) | | active#(x(N, 0)) | → | isNat#(N) |
U32#(mark(X)) | → | U32#(X) | | top#(ok(X)) | → | active#(X) |
x#(mark(X1), X2) | → | x#(X1, X2) | | active#(U72(X1, X2, X3)) | → | active#(X1) |
active#(U52(X1, X2, X3)) | → | active#(X1) | | active#(U31(X1, X2)) | → | active#(X1) |
proper#(isNat(X)) | → | isNat#(proper(X)) | | proper#(U52(X1, X2, X3)) | → | proper#(X1) |
proper#(U21(X)) | → | proper#(X) | | active#(isNat(s(V1))) | → | isNat#(V1) |
plus#(ok(X1), ok(X2)) | → | plus#(X1, X2) | | active#(U72(tt, M, N)) | → | x#(N, M) |
proper#(U72(X1, X2, X3)) | → | U72#(proper(X1), proper(X2), proper(X3)) | | U51#(mark(X1), X2, X3) | → | U51#(X1, X2, X3) |
proper#(isNat(X)) | → | proper#(X) | | U61#(mark(X)) | → | U61#(X) |
proper#(U12(X)) | → | proper#(X) | | active#(isNat(s(V1))) | → | U21#(isNat(V1)) |
active#(U11(X1, X2)) | → | U11#(active(X1), X2) | | active#(s(X)) | → | s#(active(X)) |
s#(ok(X)) | → | s#(X) | | active#(U51(tt, M, N)) | → | U52#(isNat(N), M, N) |
active#(isNat(plus(V1, V2))) | → | U11#(isNat(V1), V2) | | active#(x(N, s(M))) | → | isNat#(M) |
active#(U51(X1, X2, X3)) | → | U51#(active(X1), X2, X3) | | proper#(U52(X1, X2, X3)) | → | proper#(X3) |
active#(plus(N, s(M))) | → | isNat#(M) | | proper#(s(X)) | → | s#(proper(X)) |
active#(U31(tt, V2)) | → | isNat#(V2) | | active#(x(X1, X2)) | → | active#(X2) |
proper#(U31(X1, X2)) | → | U31#(proper(X1), proper(X2)) | | U31#(ok(X1), ok(X2)) | → | U31#(X1, X2) |
top#(ok(X)) | → | top#(active(X)) | | U61#(ok(X)) | → | U61#(X) |
active#(isNat(x(V1, V2))) | → | isNat#(V1) | | proper#(U31(X1, X2)) | → | proper#(X1) |
U32#(ok(X)) | → | U32#(X) | | U11#(ok(X1), ok(X2)) | → | U11#(X1, X2) |
proper#(U11(X1, X2)) | → | U11#(proper(X1), proper(X2)) | | U12#(mark(X)) | → | U12#(X) |
proper#(U52(X1, X2, X3)) | → | U52#(proper(X1), proper(X2), proper(X3)) | | active#(U41(X1, X2)) | → | U41#(active(X1), X2) |
active#(plus(N, s(M))) | → | U51#(isNat(M), M, N) | | plus#(X1, mark(X2)) | → | plus#(X1, X2) |
active#(U52(tt, M, N)) | → | plus#(N, M) | | active#(U52(X1, X2, X3)) | → | U52#(active(X1), X2, X3) |
proper#(plus(X1, X2)) | → | proper#(X1) | | active#(U11(X1, X2)) | → | active#(X1) |
proper#(plus(X1, X2)) | → | plus#(proper(X1), proper(X2)) | | U71#(ok(X1), ok(X2), ok(X3)) | → | U71#(X1, X2, X3) |
U21#(ok(X)) | → | U21#(X) | | active#(U51(X1, X2, X3)) | → | active#(X1) |
active#(U52(tt, M, N)) | → | s#(plus(N, M)) | | top#(mark(X)) | → | top#(proper(X)) |
active#(U72(X1, X2, X3)) | → | U72#(active(X1), X2, X3) | | active#(U61(X)) | → | U61#(active(X)) |
active#(U71(tt, M, N)) | → | isNat#(N) | | active#(x(X1, X2)) | → | x#(X1, active(X2)) |
active#(U11(tt, V2)) | → | U12#(isNat(V2)) | | U52#(ok(X1), ok(X2), ok(X3)) | → | U52#(X1, X2, X3) |
proper#(s(X)) | → | proper#(X) | | active#(plus(X1, X2)) | → | active#(X1) |
proper#(U51(X1, X2, X3)) | → | U51#(proper(X1), proper(X2), proper(X3)) | | proper#(U31(X1, X2)) | → | proper#(X2) |
U72#(ok(X1), ok(X2), ok(X3)) | → | U72#(X1, X2, X3) | | proper#(x(X1, X2)) | → | proper#(X1) |
active#(x(X1, X2)) | → | x#(active(X1), X2) | | active#(isNat(plus(V1, V2))) | → | isNat#(V1) |
proper#(U61(X)) | → | U61#(proper(X)) | | active#(U21(X)) | → | active#(X) |
proper#(U32(X)) | → | proper#(X) | | U41#(ok(X1), ok(X2)) | → | U41#(X1, X2) |
active#(U12(X)) | → | U12#(active(X)) | | active#(U31(X1, X2)) | → | U31#(active(X1), X2) |
active#(U72(tt, M, N)) | → | plus#(x(N, M), N) | | proper#(U51(X1, X2, X3)) | → | proper#(X3) |
U41#(mark(X1), X2) | → | U41#(X1, X2) | | proper#(plus(X1, X2)) | → | proper#(X2) |
proper#(x(X1, X2)) | → | x#(proper(X1), proper(X2)) | | proper#(U72(X1, X2, X3)) | → | proper#(X1) |
active#(U11(tt, V2)) | → | isNat#(V2) | | active#(U32(X)) | → | U32#(active(X)) |
proper#(U61(X)) | → | proper#(X) | | U21#(mark(X)) | → | U21#(X) |
active#(x(X1, X2)) | → | active#(X1) | | active#(U71(tt, M, N)) | → | U72#(isNat(N), M, N) |
active#(U51(tt, M, N)) | → | isNat#(N) | | proper#(U41(X1, X2)) | → | U41#(proper(X1), proper(X2)) |
U31#(mark(X1), X2) | → | U31#(X1, X2) | | proper#(x(X1, X2)) | → | proper#(X2) |
s#(mark(X)) | → | s#(X) | | active#(plus(X1, X2)) | → | plus#(X1, active(X2)) |
U12#(ok(X)) | → | U12#(X) | | active#(s(X)) | → | active#(X) |
active#(plus(X1, X2)) | → | plus#(active(X1), X2) | | active#(U61(X)) | → | active#(X) |
proper#(U71(X1, X2, X3)) | → | proper#(X2) | | U52#(mark(X1), X2, X3) | → | U52#(X1, X2, X3) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
The following SCCs where found
proper#(U51(X1, X2, X3)) → proper#(X2) | proper#(U41(X1, X2)) → proper#(X2) |
proper#(U41(X1, X2)) → proper#(X1) | proper#(U11(X1, X2)) → proper#(X1) |
proper#(U31(X1, X2)) → proper#(X1) | proper#(U31(X1, X2)) → proper#(X2) |
proper#(x(X1, X2)) → proper#(X1) | proper#(U32(X)) → proper#(X) |
proper#(U72(X1, X2, X3)) → proper#(X2) | proper#(U11(X1, X2)) → proper#(X2) |
proper#(U71(X1, X2, X3)) → proper#(X1) | proper#(U51(X1, X2, X3)) → proper#(X3) |
proper#(plus(X1, X2)) → proper#(X1) | proper#(plus(X1, X2)) → proper#(X2) |
proper#(U52(X1, X2, X3)) → proper#(X1) | proper#(U21(X)) → proper#(X) |
proper#(U72(X1, X2, X3)) → proper#(X1) | proper#(isNat(X)) → proper#(X) |
proper#(U61(X)) → proper#(X) | proper#(U12(X)) → proper#(X) |
proper#(U71(X1, X2, X3)) → proper#(X3) | proper#(x(X1, X2)) → proper#(X2) |
proper#(U52(X1, X2, X3)) → proper#(X2) | proper#(s(X)) → proper#(X) |
proper#(U51(X1, X2, X3)) → proper#(X1) | proper#(U52(X1, X2, X3)) → proper#(X3) |
proper#(U71(X1, X2, X3)) → proper#(X2) | proper#(U72(X1, X2, X3)) → proper#(X3) |
U41#(ok(X1), ok(X2)) → U41#(X1, X2) | U41#(mark(X1), X2) → U41#(X1, X2) |
active#(U51(X1, X2, X3)) → active#(X1) | active#(U32(X)) → active#(X) |
active#(U71(X1, X2, X3)) → active#(X1) | active#(x(X1, X2)) → active#(X1) |
active#(U12(X)) → active#(X) | active#(U11(X1, X2)) → U11#(active(X1), X2) |
active#(U71(tt, M, N)) → U72#(isNat(N), M, N) | active#(x(X1, X2)) → x#(X1, active(X2)) |
active#(U21(X)) → active#(X) | active#(U41(X1, X2)) → active#(X1) |
active#(U72(X1, X2, X3)) → active#(X1) | active#(plus(X1, X2)) → active#(X1) |
active#(U52(X1, X2, X3)) → active#(X1) | active#(U12(X)) → U12#(active(X)) |
active#(s(X)) → active#(X) | active#(x(X1, X2)) → active#(X2) |
active#(U61(X)) → active#(X) | active#(U31(X1, X2)) → active#(X1) |
active#(plus(X1, X2)) → active#(X2) | active#(U11(X1, X2)) → active#(X1) |
active#(plus(N, 0)) → U41#(isNat(N), N) |
isNat#(ok(X)) → isNat#(X) |
U21#(ok(X)) → U21#(X) | U21#(mark(X)) → U21#(X) |
U32#(ok(X)) → U32#(X) | U32#(mark(X)) → U32#(X) |
active#(U51(X1, X2, X3)) → active#(X1) | active#(U71(X1, X2, X3)) → active#(X1) |
active#(U32(X)) → active#(X) | active#(U12(X)) → active#(X) |
active#(x(X1, X2)) → active#(X1) | active#(U21(X)) → active#(X) |
active#(U72(X1, X2, X3)) → active#(X1) | active#(U41(X1, X2)) → active#(X1) |
active#(plus(X1, X2)) → active#(X1) | active#(s(X)) → active#(X) |
active#(U52(X1, X2, X3)) → active#(X1) | active#(x(X1, X2)) → active#(X2) |
active#(U61(X)) → active#(X) | active#(U31(X1, X2)) → active#(X1) |
active#(plus(X1, X2)) → active#(X2) | active#(U11(X1, X2)) → active#(X1) |
s#(mark(X)) → s#(X) | s#(ok(X)) → s#(X) |
U61#(mark(X)) → U61#(X) | U61#(ok(X)) → U61#(X) |
active#(U51(X1, X2, X3)) → active#(X1) | active#(U32(X)) → active#(X) |
active#(U71(X1, X2, X3)) → active#(X1) | active#(x(X1, X2)) → active#(X1) |
active#(U12(X)) → active#(X) | active#(U11(X1, X2)) → U11#(active(X1), X2) |
active#(U71(tt, M, N)) → U72#(isNat(N), M, N) | active#(U51(tt, M, N)) → isNat#(N) |
active#(x(X1, X2)) → x#(X1, active(X2)) | active#(U21(X)) → active#(X) |
active#(U41(X1, X2)) → active#(X1) | active#(U72(X1, X2, X3)) → active#(X1) |
active#(plus(X1, X2)) → active#(X1) | active#(U52(X1, X2, X3)) → active#(X1) |
active#(U12(X)) → U12#(active(X)) | active#(s(X)) → active#(X) |
active#(x(X1, X2)) → active#(X2) | active#(U61(X)) → active#(X) |
active#(U31(X1, X2)) → active#(X1) | active#(plus(X1, X2)) → active#(X2) |
active#(U11(X1, X2)) → active#(X1) | active#(plus(N, 0)) → U41#(isNat(N), N) |
U12#(ok(X)) → U12#(X) | U12#(mark(X)) → U12#(X) |
plus#(ok(X1), ok(X2)) → plus#(X1, X2) | plus#(X1, mark(X2)) → plus#(X1, X2) |
plus#(mark(X1), X2) → plus#(X1, X2) |
U71#(ok(X1), ok(X2), ok(X3)) → U71#(X1, X2, X3) | U71#(mark(X1), X2, X3) → U71#(X1, X2, X3) |
U72#(ok(X1), ok(X2), ok(X3)) → U72#(X1, X2, X3) | U72#(mark(X1), X2, X3) → U72#(X1, X2, X3) |
x#(mark(X1), X2) → x#(X1, X2) | x#(ok(X1), ok(X2)) → x#(X1, X2) |
x#(X1, mark(X2)) → x#(X1, X2) |
U11#(ok(X1), ok(X2)) → U11#(X1, X2) | U11#(mark(X1), X2) → U11#(X1, X2) |
U52#(mark(X1), X2, X3) → U52#(X1, X2, X3) | U52#(ok(X1), ok(X2), ok(X3)) → U52#(X1, X2, X3) |
U51#(mark(X1), X2, X3) → U51#(X1, X2, X3) | U51#(ok(X1), ok(X2), ok(X3)) → U51#(X1, X2, X3) |
top#(mark(X)) → top#(proper(X)) | top#(ok(X)) → top#(active(X)) |
U31#(mark(X1), X2) → U31#(X1, X2) | U31#(ok(X1), ok(X2)) → U31#(X1, X2) |
Problem 2: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
proper#(U51(X1, X2, X3)) | → | proper#(X2) | | proper#(U41(X1, X2)) | → | proper#(X2) |
proper#(U41(X1, X2)) | → | proper#(X1) | | proper#(U11(X1, X2)) | → | proper#(X1) |
proper#(U31(X1, X2)) | → | proper#(X1) | | proper#(U31(X1, X2)) | → | proper#(X2) |
proper#(x(X1, X2)) | → | proper#(X1) | | proper#(U32(X)) | → | proper#(X) |
proper#(U72(X1, X2, X3)) | → | proper#(X2) | | proper#(U11(X1, X2)) | → | proper#(X2) |
proper#(U71(X1, X2, X3)) | → | proper#(X1) | | proper#(U51(X1, X2, X3)) | → | proper#(X3) |
proper#(plus(X1, X2)) | → | proper#(X1) | | proper#(U52(X1, X2, X3)) | → | proper#(X1) |
proper#(plus(X1, X2)) | → | proper#(X2) | | proper#(U21(X)) | → | proper#(X) |
proper#(U72(X1, X2, X3)) | → | proper#(X1) | | proper#(isNat(X)) | → | proper#(X) |
proper#(U12(X)) | → | proper#(X) | | proper#(U61(X)) | → | proper#(X) |
proper#(U71(X1, X2, X3)) | → | proper#(X3) | | proper#(x(X1, X2)) | → | proper#(X2) |
proper#(s(X)) | → | proper#(X) | | proper#(U52(X1, X2, X3)) | → | proper#(X2) |
proper#(U51(X1, X2, X3)) | → | proper#(X1) | | proper#(U52(X1, X2, X3)) | → | proper#(X3) |
proper#(U71(X1, X2, X3)) | → | proper#(X2) | | proper#(U72(X1, X2, X3)) | → | proper#(X3) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
proper#(U41(X1, X2)) | → | proper#(X2) | | proper#(U51(X1, X2, X3)) | → | proper#(X2) |
proper#(U41(X1, X2)) | → | proper#(X1) | | proper#(U11(X1, X2)) | → | proper#(X1) |
proper#(U31(X1, X2)) | → | proper#(X1) | | proper#(U31(X1, X2)) | → | proper#(X2) |
proper#(x(X1, X2)) | → | proper#(X1) | | proper#(U32(X)) | → | proper#(X) |
proper#(U72(X1, X2, X3)) | → | proper#(X2) | | proper#(U11(X1, X2)) | → | proper#(X2) |
proper#(U71(X1, X2, X3)) | → | proper#(X1) | | proper#(plus(X1, X2)) | → | proper#(X1) |
proper#(U51(X1, X2, X3)) | → | proper#(X3) | | proper#(U52(X1, X2, X3)) | → | proper#(X1) |
proper#(plus(X1, X2)) | → | proper#(X2) | | proper#(U21(X)) | → | proper#(X) |
proper#(U72(X1, X2, X3)) | → | proper#(X1) | | proper#(isNat(X)) | → | proper#(X) |
proper#(U61(X)) | → | proper#(X) | | proper#(U12(X)) | → | proper#(X) |
proper#(U71(X1, X2, X3)) | → | proper#(X3) | | proper#(x(X1, X2)) | → | proper#(X2) |
proper#(U52(X1, X2, X3)) | → | proper#(X2) | | proper#(s(X)) | → | proper#(X) |
proper#(U51(X1, X2, X3)) | → | proper#(X1) | | proper#(U52(X1, X2, X3)) | → | proper#(X3) |
proper#(U71(X1, X2, X3)) | → | proper#(X2) | | proper#(U72(X1, X2, X3)) | → | proper#(X3) |
Problem 3: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
U41#(ok(X1), ok(X2)) | → | U41#(X1, X2) | | U41#(mark(X1), X2) | → | U41#(X1, X2) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
U41#(ok(X1), ok(X2)) | → | U41#(X1, X2) | | U41#(mark(X1), X2) | → | U41#(X1, X2) |
Problem 4: DependencyGraph
Dependency Pair Problem
Dependency Pairs
active#(U51(X1, X2, X3)) | → | active#(X1) | | active#(U71(X1, X2, X3)) | → | active#(X1) |
active#(U32(X)) | → | active#(X) | | active#(U12(X)) | → | active#(X) |
active#(x(X1, X2)) | → | active#(X1) | | active#(U71(tt, M, N)) | → | U72#(isNat(N), M, N) |
active#(U11(X1, X2)) | → | U11#(active(X1), X2) | | active#(U51(tt, M, N)) | → | isNat#(N) |
active#(x(X1, X2)) | → | x#(X1, active(X2)) | | active#(U21(X)) | → | active#(X) |
active#(U72(X1, X2, X3)) | → | active#(X1) | | active#(U41(X1, X2)) | → | active#(X1) |
active#(plus(X1, X2)) | → | active#(X1) | | active#(U52(X1, X2, X3)) | → | active#(X1) |
active#(U12(X)) | → | U12#(active(X)) | | active#(s(X)) | → | active#(X) |
active#(x(X1, X2)) | → | active#(X2) | | active#(U61(X)) | → | active#(X) |
active#(U31(X1, X2)) | → | active#(X1) | | active#(plus(X1, X2)) | → | active#(X2) |
active#(U11(X1, X2)) | → | active#(X1) | | active#(plus(N, 0)) | → | U41#(isNat(N), N) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
The following SCCs where found
active#(U51(X1, X2, X3)) → active#(X1) | active#(U32(X)) → active#(X) |
active#(U71(X1, X2, X3)) → active#(X1) | active#(x(X1, X2)) → active#(X1) |
active#(U12(X)) → active#(X) | active#(U21(X)) → active#(X) |
active#(U72(X1, X2, X3)) → active#(X1) | active#(U41(X1, X2)) → active#(X1) |
active#(plus(X1, X2)) → active#(X1) | active#(U52(X1, X2, X3)) → active#(X1) |
active#(s(X)) → active#(X) | active#(x(X1, X2)) → active#(X2) |
active#(U31(X1, X2)) → active#(X1) | active#(U61(X)) → active#(X) |
active#(plus(X1, X2)) → active#(X2) | active#(U11(X1, X2)) → active#(X1) |
Problem 5: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
U51#(mark(X1), X2, X3) | → | U51#(X1, X2, X3) | | U51#(ok(X1), ok(X2), ok(X3)) | → | U51#(X1, X2, X3) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
U51#(mark(X1), X2, X3) | → | U51#(X1, X2, X3) | | U51#(ok(X1), ok(X2), ok(X3)) | → | U51#(X1, X2, X3) |
Problem 6: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
U72#(ok(X1), ok(X2), ok(X3)) | → | U72#(X1, X2, X3) | | U72#(mark(X1), X2, X3) | → | U72#(X1, X2, X3) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
U72#(ok(X1), ok(X2), ok(X3)) | → | U72#(X1, X2, X3) | | U72#(mark(X1), X2, X3) | → | U72#(X1, X2, X3) |
Problem 7: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
U61#(mark(X)) | → | U61#(X) | | U61#(ok(X)) | → | U61#(X) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
U61#(mark(X)) | → | U61#(X) | | U61#(ok(X)) | → | U61#(X) |
Problem 8: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
U11#(ok(X1), ok(X2)) | → | U11#(X1, X2) | | U11#(mark(X1), X2) | → | U11#(X1, X2) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
U11#(ok(X1), ok(X2)) | → | U11#(X1, X2) | | U11#(mark(X1), X2) | → | U11#(X1, X2) |
Problem 9: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
U71#(ok(X1), ok(X2), ok(X3)) | → | U71#(X1, X2, X3) | | U71#(mark(X1), X2, X3) | → | U71#(X1, X2, X3) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
U71#(ok(X1), ok(X2), ok(X3)) | → | U71#(X1, X2, X3) | | U71#(mark(X1), X2, X3) | → | U71#(X1, X2, X3) |
Problem 10: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
U21#(ok(X)) | → | U21#(X) | | U21#(mark(X)) | → | U21#(X) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
U21#(ok(X)) | → | U21#(X) | | U21#(mark(X)) | → | U21#(X) |
Problem 11: DependencyGraph
Dependency Pair Problem
Dependency Pairs
active#(U51(X1, X2, X3)) | → | active#(X1) | | active#(U71(X1, X2, X3)) | → | active#(X1) |
active#(U32(X)) | → | active#(X) | | active#(U12(X)) | → | active#(X) |
active#(x(X1, X2)) | → | active#(X1) | | active#(U71(tt, M, N)) | → | U72#(isNat(N), M, N) |
active#(U11(X1, X2)) | → | U11#(active(X1), X2) | | active#(x(X1, X2)) | → | x#(X1, active(X2)) |
active#(U21(X)) | → | active#(X) | | active#(U72(X1, X2, X3)) | → | active#(X1) |
active#(U41(X1, X2)) | → | active#(X1) | | active#(plus(X1, X2)) | → | active#(X1) |
active#(U52(X1, X2, X3)) | → | active#(X1) | | active#(U12(X)) | → | U12#(active(X)) |
active#(s(X)) | → | active#(X) | | active#(x(X1, X2)) | → | active#(X2) |
active#(U61(X)) | → | active#(X) | | active#(U31(X1, X2)) | → | active#(X1) |
active#(plus(X1, X2)) | → | active#(X2) | | active#(U11(X1, X2)) | → | active#(X1) |
active#(plus(N, 0)) | → | U41#(isNat(N), N) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
The following SCCs where found
active#(U51(X1, X2, X3)) → active#(X1) | active#(U32(X)) → active#(X) |
active#(U71(X1, X2, X3)) → active#(X1) | active#(x(X1, X2)) → active#(X1) |
active#(U12(X)) → active#(X) | active#(U21(X)) → active#(X) |
active#(U72(X1, X2, X3)) → active#(X1) | active#(U41(X1, X2)) → active#(X1) |
active#(plus(X1, X2)) → active#(X1) | active#(U52(X1, X2, X3)) → active#(X1) |
active#(s(X)) → active#(X) | active#(x(X1, X2)) → active#(X2) |
active#(U31(X1, X2)) → active#(X1) | active#(U61(X)) → active#(X) |
active#(plus(X1, X2)) → active#(X2) | active#(U11(X1, X2)) → active#(X1) |
Problem 12: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
active#(U51(X1, X2, X3)) | → | active#(X1) | | active#(U32(X)) | → | active#(X) |
active#(U71(X1, X2, X3)) | → | active#(X1) | | active#(x(X1, X2)) | → | active#(X1) |
active#(U12(X)) | → | active#(X) | | active#(U21(X)) | → | active#(X) |
active#(U41(X1, X2)) | → | active#(X1) | | active#(U72(X1, X2, X3)) | → | active#(X1) |
active#(plus(X1, X2)) | → | active#(X1) | | active#(U52(X1, X2, X3)) | → | active#(X1) |
active#(s(X)) | → | active#(X) | | active#(x(X1, X2)) | → | active#(X2) |
active#(U61(X)) | → | active#(X) | | active#(U31(X1, X2)) | → | active#(X1) |
active#(plus(X1, X2)) | → | active#(X2) | | active#(U11(X1, X2)) | → | active#(X1) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
active#(U51(X1, X2, X3)) | → | active#(X1) | | active#(U32(X)) | → | active#(X) |
active#(U71(X1, X2, X3)) | → | active#(X1) | | active#(U12(X)) | → | active#(X) |
active#(x(X1, X2)) | → | active#(X1) | | active#(U21(X)) | → | active#(X) |
active#(U41(X1, X2)) | → | active#(X1) | | active#(U72(X1, X2, X3)) | → | active#(X1) |
active#(plus(X1, X2)) | → | active#(X1) | | active#(s(X)) | → | active#(X) |
active#(U52(X1, X2, X3)) | → | active#(X1) | | active#(x(X1, X2)) | → | active#(X2) |
active#(U31(X1, X2)) | → | active#(X1) | | active#(U61(X)) | → | active#(X) |
active#(plus(X1, X2)) | → | active#(X2) | | active#(U11(X1, X2)) | → | active#(X1) |
Problem 13: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
plus#(ok(X1), ok(X2)) | → | plus#(X1, X2) | | plus#(X1, mark(X2)) | → | plus#(X1, X2) |
plus#(mark(X1), X2) | → | plus#(X1, X2) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
plus#(ok(X1), ok(X2)) | → | plus#(X1, X2) | | plus#(mark(X1), X2) | → | plus#(X1, X2) |
Problem 14: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
x#(mark(X1), X2) | → | x#(X1, X2) | | x#(ok(X1), ok(X2)) | → | x#(X1, X2) |
x#(X1, mark(X2)) | → | x#(X1, X2) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
x#(mark(X1), X2) | → | x#(X1, X2) | | x#(ok(X1), ok(X2)) | → | x#(X1, X2) |
Problem 15: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
isNat#(ok(X)) | → | isNat#(X) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
isNat#(ok(X)) | → | isNat#(X) |
Problem 16: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
U31#(mark(X1), X2) | → | U31#(X1, X2) | | U31#(ok(X1), ok(X2)) | → | U31#(X1, X2) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
U31#(mark(X1), X2) | → | U31#(X1, X2) | | U31#(ok(X1), ok(X2)) | → | U31#(X1, X2) |
Problem 17: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
U12#(ok(X)) | → | U12#(X) | | U12#(mark(X)) | → | U12#(X) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
U12#(ok(X)) | → | U12#(X) | | U12#(mark(X)) | → | U12#(X) |
Problem 18: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
s#(mark(X)) | → | s#(X) | | s#(ok(X)) | → | s#(X) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
s#(mark(X)) | → | s#(X) | | s#(ok(X)) | → | s#(X) |
Problem 19: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
U32#(ok(X)) | → | U32#(X) | | U32#(mark(X)) | → | U32#(X) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
U32#(ok(X)) | → | U32#(X) | | U32#(mark(X)) | → | U32#(X) |
Problem 20: SubtermCriterion
Dependency Pair Problem
Dependency Pairs
U52#(mark(X1), X2, X3) | → | U52#(X1, X2, X3) | | U52#(ok(X1), ok(X2), ok(X3)) | → | U52#(X1, X2, X3) |
Rewrite Rules
active(U11(tt, V2)) | → | mark(U12(isNat(V2))) | | active(U12(tt)) | → | mark(tt) |
active(U21(tt)) | → | mark(tt) | | active(U31(tt, V2)) | → | mark(U32(isNat(V2))) |
active(U32(tt)) | → | mark(tt) | | active(U41(tt, N)) | → | mark(N) |
active(U51(tt, M, N)) | → | mark(U52(isNat(N), M, N)) | | active(U52(tt, M, N)) | → | mark(s(plus(N, M))) |
active(U61(tt)) | → | mark(0) | | active(U71(tt, M, N)) | → | mark(U72(isNat(N), M, N)) |
active(U72(tt, M, N)) | → | mark(plus(x(N, M), N)) | | active(isNat(0)) | → | mark(tt) |
active(isNat(plus(V1, V2))) | → | mark(U11(isNat(V1), V2)) | | active(isNat(s(V1))) | → | mark(U21(isNat(V1))) |
active(isNat(x(V1, V2))) | → | mark(U31(isNat(V1), V2)) | | active(plus(N, 0)) | → | mark(U41(isNat(N), N)) |
active(plus(N, s(M))) | → | mark(U51(isNat(M), M, N)) | | active(x(N, 0)) | → | mark(U61(isNat(N))) |
active(x(N, s(M))) | → | mark(U71(isNat(M), M, N)) | | active(U11(X1, X2)) | → | U11(active(X1), X2) |
active(U12(X)) | → | U12(active(X)) | | active(U21(X)) | → | U21(active(X)) |
active(U31(X1, X2)) | → | U31(active(X1), X2) | | active(U32(X)) | → | U32(active(X)) |
active(U41(X1, X2)) | → | U41(active(X1), X2) | | active(U51(X1, X2, X3)) | → | U51(active(X1), X2, X3) |
active(U52(X1, X2, X3)) | → | U52(active(X1), X2, X3) | | active(s(X)) | → | s(active(X)) |
active(plus(X1, X2)) | → | plus(active(X1), X2) | | active(plus(X1, X2)) | → | plus(X1, active(X2)) |
active(U61(X)) | → | U61(active(X)) | | active(U71(X1, X2, X3)) | → | U71(active(X1), X2, X3) |
active(U72(X1, X2, X3)) | → | U72(active(X1), X2, X3) | | active(x(X1, X2)) | → | x(active(X1), X2) |
active(x(X1, X2)) | → | x(X1, active(X2)) | | U11(mark(X1), X2) | → | mark(U11(X1, X2)) |
U12(mark(X)) | → | mark(U12(X)) | | U21(mark(X)) | → | mark(U21(X)) |
U31(mark(X1), X2) | → | mark(U31(X1, X2)) | | U32(mark(X)) | → | mark(U32(X)) |
U41(mark(X1), X2) | → | mark(U41(X1, X2)) | | U51(mark(X1), X2, X3) | → | mark(U51(X1, X2, X3)) |
U52(mark(X1), X2, X3) | → | mark(U52(X1, X2, X3)) | | s(mark(X)) | → | mark(s(X)) |
plus(mark(X1), X2) | → | mark(plus(X1, X2)) | | plus(X1, mark(X2)) | → | mark(plus(X1, X2)) |
U61(mark(X)) | → | mark(U61(X)) | | U71(mark(X1), X2, X3) | → | mark(U71(X1, X2, X3)) |
U72(mark(X1), X2, X3) | → | mark(U72(X1, X2, X3)) | | x(mark(X1), X2) | → | mark(x(X1, X2)) |
x(X1, mark(X2)) | → | mark(x(X1, X2)) | | proper(U11(X1, X2)) | → | U11(proper(X1), proper(X2)) |
proper(tt) | → | ok(tt) | | proper(U12(X)) | → | U12(proper(X)) |
proper(isNat(X)) | → | isNat(proper(X)) | | proper(U21(X)) | → | U21(proper(X)) |
proper(U31(X1, X2)) | → | U31(proper(X1), proper(X2)) | | proper(U32(X)) | → | U32(proper(X)) |
proper(U41(X1, X2)) | → | U41(proper(X1), proper(X2)) | | proper(U51(X1, X2, X3)) | → | U51(proper(X1), proper(X2), proper(X3)) |
proper(U52(X1, X2, X3)) | → | U52(proper(X1), proper(X2), proper(X3)) | | proper(s(X)) | → | s(proper(X)) |
proper(plus(X1, X2)) | → | plus(proper(X1), proper(X2)) | | proper(U61(X)) | → | U61(proper(X)) |
proper(0) | → | ok(0) | | proper(U71(X1, X2, X3)) | → | U71(proper(X1), proper(X2), proper(X3)) |
proper(U72(X1, X2, X3)) | → | U72(proper(X1), proper(X2), proper(X3)) | | proper(x(X1, X2)) | → | x(proper(X1), proper(X2)) |
U11(ok(X1), ok(X2)) | → | ok(U11(X1, X2)) | | U12(ok(X)) | → | ok(U12(X)) |
isNat(ok(X)) | → | ok(isNat(X)) | | U21(ok(X)) | → | ok(U21(X)) |
U31(ok(X1), ok(X2)) | → | ok(U31(X1, X2)) | | U32(ok(X)) | → | ok(U32(X)) |
U41(ok(X1), ok(X2)) | → | ok(U41(X1, X2)) | | U51(ok(X1), ok(X2), ok(X3)) | → | ok(U51(X1, X2, X3)) |
U52(ok(X1), ok(X2), ok(X3)) | → | ok(U52(X1, X2, X3)) | | s(ok(X)) | → | ok(s(X)) |
plus(ok(X1), ok(X2)) | → | ok(plus(X1, X2)) | | U61(ok(X)) | → | ok(U61(X)) |
U71(ok(X1), ok(X2), ok(X3)) | → | ok(U71(X1, X2, X3)) | | U72(ok(X1), ok(X2), ok(X3)) | → | ok(U72(X1, X2, X3)) |
x(ok(X1), ok(X2)) | → | ok(x(X1, X2)) | | top(mark(X)) | → | top(proper(X)) |
top(ok(X)) | → | top(active(X)) |
Original Signature
Termination of terms over the following signature is verified: plus, mark, U71, isNat, U72, U61, 0, s, U51, tt, U41, U52, U11, active, U12, ok, U31, proper, U32, U21, x, top
Strategy
Projection
The following projection was used:
Thus, the following dependency pairs are removed:
U52#(mark(X1), X2, X3) | → | U52#(X1, X2, X3) | | U52#(ok(X1), ok(X2), ok(X3)) | → | U52#(X1, X2, X3) |