Termination w.r.t. Q proof of /home/nowonder/forschung/aprove/satrung/aprove/lpar4/nonterminSLASHCSRSLASHExIntrod

Termination w.r.t. Q of the following Term Rewriting System could not be shown:

Q restricted rewrite system:
The TRS R consists of the following rules:

nats -> adx₁(zeros)
zeros -> cons₂(0, zeros)
incr₁(cons₂(X, Y)) -> cons₂(s₁(X), incr₁(Y))
adx₁(cons₂(X, Y)) -> incr₁(cons₂(X, adx₁(Y)))
hd₁(cons₂(X, Y)) -> X
tl₁(cons₂(X, Y)) -> Y

Q is empty.

↳ QTRS

  ↳ Non-Overlap Check

Q restricted rewrite system:
The TRS R consists of the following rules:

nats -> adx₁(zeros)
zeros -> cons₂(0, zeros)
incr₁(cons₂(X, Y)) -> cons₂(s₁(X), incr₁(Y))
adx₁(cons₂(X, Y)) -> incr₁(cons₂(X, adx₁(Y)))
hd₁(cons₂(X, Y)) -> X
tl₁(cons₂(X, Y)) -> Y

Q is empty.

The TRS is non-overlapping. Hence, we can switch to innermost.

↳ QTRS

  ↳ Non-Overlap Check

    ↳ QTRS

      ↳ DependencyPairsProof

Q restricted rewrite system:
The TRS R consists of the following rules:

nats -> adx₁(zeros)
zeros -> cons₂(0, zeros)
incr₁(cons₂(X, Y)) -> cons₂(s₁(X), incr₁(Y))
adx₁(cons₂(X, Y)) -> incr₁(cons₂(X, adx₁(Y)))
hd₁(cons₂(X, Y)) -> X
tl₁(cons₂(X, Y)) -> Y

The set Q consists of the following terms:

nats
zeros
incr₁(cons₂(x0, x1))
adx₁(cons₂(x0, x1))
hd₁(cons₂(x0, x1))
tl₁(cons₂(x0, x1))

Q DP problem:
The TRS P consists of the following rules:

ADX₁(cons₂(X, Y)) -> ADX₁(Y)
ADX₁(cons₂(X, Y)) -> INCR₁(cons₂(X, adx₁(Y)))
NATS -> ADX₁(zeros)
NATS -> ZEROS
ZEROS -> ZEROS
INCR₁(cons₂(X, Y)) -> INCR₁(Y)

The TRS R consists of the following rules:

nats -> adx₁(zeros)
zeros -> cons₂(0, zeros)
incr₁(cons₂(X, Y)) -> cons₂(s₁(X), incr₁(Y))
adx₁(cons₂(X, Y)) -> incr₁(cons₂(X, adx₁(Y)))
hd₁(cons₂(X, Y)) -> X
tl₁(cons₂(X, Y)) -> Y

The set Q consists of the following terms:

nats
zeros
incr₁(cons₂(x0, x1))
adx₁(cons₂(x0, x1))
hd₁(cons₂(x0, x1))
tl₁(cons₂(x0, x1))

We have to consider all minimal (P,Q,R)-chains.

↳ QTRS

  ↳ Non-Overlap Check

    ↳ QTRS

      ↳ DependencyPairsProof

        ↳ QDP

          ↳ DependencyGraphProof

Q DP problem:
The TRS P consists of the following rules:

ADX₁(cons₂(X, Y)) -> ADX₁(Y)
ADX₁(cons₂(X, Y)) -> INCR₁(cons₂(X, adx₁(Y)))
NATS -> ADX₁(zeros)
NATS -> ZEROS
ZEROS -> ZEROS
INCR₁(cons₂(X, Y)) -> INCR₁(Y)

The TRS R consists of the following rules:

nats -> adx₁(zeros)
zeros -> cons₂(0, zeros)
incr₁(cons₂(X, Y)) -> cons₂(s₁(X), incr₁(Y))
adx₁(cons₂(X, Y)) -> incr₁(cons₂(X, adx₁(Y)))
hd₁(cons₂(X, Y)) -> X
tl₁(cons₂(X, Y)) -> Y

The set Q consists of the following terms:

nats
zeros
incr₁(cons₂(x0, x1))
adx₁(cons₂(x0, x1))
hd₁(cons₂(x0, x1))
tl₁(cons₂(x0, x1))

We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph contains 3 SCCs with 3 less nodes.

↳ QTRS

  ↳ Non-Overlap Check

    ↳ QTRS

      ↳ DependencyPairsProof

        ↳ QDP

          ↳ DependencyGraphProof

            ↳ AND

              ↳ QDP

                ↳ QDPAfsSolverProof

              ↳ QDP

              ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

INCR₁(cons₂(X, Y)) -> INCR₁(Y)

The TRS R consists of the following rules:

nats -> adx₁(zeros)
zeros -> cons₂(0, zeros)
incr₁(cons₂(X, Y)) -> cons₂(s₁(X), incr₁(Y))
adx₁(cons₂(X, Y)) -> incr₁(cons₂(X, adx₁(Y)))
hd₁(cons₂(X, Y)) -> X
tl₁(cons₂(X, Y)) -> Y

The set Q consists of the following terms:

nats
zeros
incr₁(cons₂(x0, x1))
adx₁(cons₂(x0, x1))
hd₁(cons₂(x0, x1))
tl₁(cons₂(x0, x1))

We have to consider all minimal (P,Q,R)-chains.
By using an argument filtering and a montonic ordering, at least one Dependency Pair of this SCC can be strictly oriented.

INCR₁(cons₂(X, Y)) -> INCR₁(Y)

Used argument filtering: INCR₁(x1) = x1
cons₂(x1, x2) = cons₁(x2)
Used ordering: Quasi Precedence: trivial

↳ QTRS

  ↳ Non-Overlap Check

    ↳ QTRS

      ↳ DependencyPairsProof

        ↳ QDP

          ↳ DependencyGraphProof

            ↳ AND

              ↳ QDP

                ↳ QDPAfsSolverProof

                  ↳ QDP

                    ↳ PisEmptyProof

              ↳ QDP

              ↳ QDP

Q DP problem:
P is empty.
The TRS R consists of the following rules:

nats -> adx₁(zeros)
zeros -> cons₂(0, zeros)
incr₁(cons₂(X, Y)) -> cons₂(s₁(X), incr₁(Y))
adx₁(cons₂(X, Y)) -> incr₁(cons₂(X, adx₁(Y)))
hd₁(cons₂(X, Y)) -> X
tl₁(cons₂(X, Y)) -> Y

The set Q consists of the following terms:

nats
zeros
incr₁(cons₂(x0, x1))
adx₁(cons₂(x0, x1))
hd₁(cons₂(x0, x1))
tl₁(cons₂(x0, x1))

We have to consider all minimal (P,Q,R)-chains.
The TRS P is empty. Hence, there is no (P,Q,R) chain.

↳ QTRS

  ↳ Non-Overlap Check

    ↳ QTRS

      ↳ DependencyPairsProof

        ↳ QDP

          ↳ DependencyGraphProof

            ↳ AND

              ↳ QDP

              ↳ QDP

                ↳ QDPAfsSolverProof

              ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

ADX₁(cons₂(X, Y)) -> ADX₁(Y)

The TRS R consists of the following rules:

nats -> adx₁(zeros)
zeros -> cons₂(0, zeros)
incr₁(cons₂(X, Y)) -> cons₂(s₁(X), incr₁(Y))
adx₁(cons₂(X, Y)) -> incr₁(cons₂(X, adx₁(Y)))
hd₁(cons₂(X, Y)) -> X
tl₁(cons₂(X, Y)) -> Y

The set Q consists of the following terms:

nats
zeros
incr₁(cons₂(x0, x1))
adx₁(cons₂(x0, x1))
hd₁(cons₂(x0, x1))
tl₁(cons₂(x0, x1))

We have to consider all minimal (P,Q,R)-chains.
By using an argument filtering and a montonic ordering, at least one Dependency Pair of this SCC can be strictly oriented.

ADX₁(cons₂(X, Y)) -> ADX₁(Y)

Used argument filtering: ADX₁(x1) = x1
cons₂(x1, x2) = cons₁(x2)
Used ordering: Quasi Precedence: trivial

↳ QTRS

  ↳ Non-Overlap Check

    ↳ QTRS

      ↳ DependencyPairsProof

        ↳ QDP

          ↳ DependencyGraphProof

            ↳ AND

              ↳ QDP

              ↳ QDP

                ↳ QDPAfsSolverProof

                  ↳ QDP

                    ↳ PisEmptyProof

              ↳ QDP

Q DP problem:
P is empty.
The TRS R consists of the following rules:

nats -> adx₁(zeros)
zeros -> cons₂(0, zeros)
incr₁(cons₂(X, Y)) -> cons₂(s₁(X), incr₁(Y))
adx₁(cons₂(X, Y)) -> incr₁(cons₂(X, adx₁(Y)))
hd₁(cons₂(X, Y)) -> X
tl₁(cons₂(X, Y)) -> Y

The set Q consists of the following terms:

nats
zeros
incr₁(cons₂(x0, x1))
adx₁(cons₂(x0, x1))
hd₁(cons₂(x0, x1))
tl₁(cons₂(x0, x1))

We have to consider all minimal (P,Q,R)-chains.
The TRS P is empty. Hence, there is no (P,Q,R) chain.

↳ QTRS

  ↳ Non-Overlap Check

    ↳ QTRS

      ↳ DependencyPairsProof

        ↳ QDP

          ↳ DependencyGraphProof

            ↳ AND

              ↳ QDP

              ↳ QDP

              ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

ZEROS -> ZEROS

The TRS R consists of the following rules:

nats -> adx₁(zeros)
zeros -> cons₂(0, zeros)
incr₁(cons₂(X, Y)) -> cons₂(s₁(X), incr₁(Y))
adx₁(cons₂(X, Y)) -> incr₁(cons₂(X, adx₁(Y)))
hd₁(cons₂(X, Y)) -> X
tl₁(cons₂(X, Y)) -> Y

The set Q consists of the following terms:

nats
zeros
incr₁(cons₂(x0, x1))
adx₁(cons₂(x0, x1))
hd₁(cons₂(x0, x1))
tl₁(cons₂(x0, x1))

We have to consider all minimal (P,Q,R)-chains.