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:

R(2(x1)) → 2(R(x1))
R(3(x1)) → 3(R(x1))
R(1(x1)) → L(3(x1))
3(L(x1)) → L(3(x1))
2(L(x1)) → L(2(x1))
0(L(x1)) → 2(R(x1))
R(b(x1)) → c(1(b(x1)))
3(c(x1)) → c(1(x1))
2(c(1(x1))) → c(0(R(1(x1))))
2(c(0(x1))) → c(0(0(x1)))

Q is empty.


QTRS
  ↳ DependencyPairsProof

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

R(2(x1)) → 2(R(x1))
R(3(x1)) → 3(R(x1))
R(1(x1)) → L(3(x1))
3(L(x1)) → L(3(x1))
2(L(x1)) → L(2(x1))
0(L(x1)) → 2(R(x1))
R(b(x1)) → c(1(b(x1)))
3(c(x1)) → c(1(x1))
2(c(1(x1))) → c(0(R(1(x1))))
2(c(0(x1))) → c(0(0(x1)))

Q is empty.

Using Dependency Pairs [1,15] we result in the following initial DP problem:
Q DP problem:
The TRS P consists of the following rules:

21(c(1(x1))) → R1(1(x1))
21(L(x1)) → 21(x1)
21(c(0(x1))) → 01(0(x1))
21(c(1(x1))) → 01(R(1(x1)))
01(L(x1)) → 21(R(x1))
R1(1(x1)) → 31(x1)
R1(3(x1)) → 31(R(x1))
31(L(x1)) → 31(x1)
R1(3(x1)) → R1(x1)
R1(2(x1)) → 21(R(x1))
R1(2(x1)) → R1(x1)
01(L(x1)) → R1(x1)

The TRS R consists of the following rules:

R(2(x1)) → 2(R(x1))
R(3(x1)) → 3(R(x1))
R(1(x1)) → L(3(x1))
3(L(x1)) → L(3(x1))
2(L(x1)) → L(2(x1))
0(L(x1)) → 2(R(x1))
R(b(x1)) → c(1(b(x1)))
3(c(x1)) → c(1(x1))
2(c(1(x1))) → c(0(R(1(x1))))
2(c(0(x1))) → c(0(0(x1)))

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

↳ QTRS
  ↳ DependencyPairsProof
QDP
      ↳ DependencyGraphProof

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

21(c(1(x1))) → R1(1(x1))
21(L(x1)) → 21(x1)
21(c(0(x1))) → 01(0(x1))
21(c(1(x1))) → 01(R(1(x1)))
01(L(x1)) → 21(R(x1))
R1(1(x1)) → 31(x1)
R1(3(x1)) → 31(R(x1))
31(L(x1)) → 31(x1)
R1(3(x1)) → R1(x1)
R1(2(x1)) → 21(R(x1))
R1(2(x1)) → R1(x1)
01(L(x1)) → R1(x1)

The TRS R consists of the following rules:

R(2(x1)) → 2(R(x1))
R(3(x1)) → 3(R(x1))
R(1(x1)) → L(3(x1))
3(L(x1)) → L(3(x1))
2(L(x1)) → L(2(x1))
0(L(x1)) → 2(R(x1))
R(b(x1)) → c(1(b(x1)))
3(c(x1)) → c(1(x1))
2(c(1(x1))) → c(0(R(1(x1))))
2(c(0(x1))) → c(0(0(x1)))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [15,17,22] contains 2 SCCs with 3 less nodes.

↳ QTRS
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
        ↳ AND
QDP
            ↳ QDPOrderProof
          ↳ QDP

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

31(L(x1)) → 31(x1)

The TRS R consists of the following rules:

R(2(x1)) → 2(R(x1))
R(3(x1)) → 3(R(x1))
R(1(x1)) → L(3(x1))
3(L(x1)) → L(3(x1))
2(L(x1)) → L(2(x1))
0(L(x1)) → 2(R(x1))
R(b(x1)) → c(1(b(x1)))
3(c(x1)) → c(1(x1))
2(c(1(x1))) → c(0(R(1(x1))))
2(c(0(x1))) → c(0(0(x1)))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [15].


The following pairs can be oriented strictly and are deleted.


31(L(x1)) → 31(x1)
The remaining pairs can at least be oriented weakly.
none
Used ordering: Polynomial interpretation [25,35]:

POL(31(x1)) = (2)x_1   
POL(L(x1)) = 1/4 + (7/2)x_1   
The value of delta used in the strict ordering is 1/2.
The following usable rules [17] were oriented: none



↳ QTRS
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
        ↳ AND
          ↳ QDP
            ↳ QDPOrderProof
QDP
                ↳ PisEmptyProof
          ↳ QDP

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

R(2(x1)) → 2(R(x1))
R(3(x1)) → 3(R(x1))
R(1(x1)) → L(3(x1))
3(L(x1)) → L(3(x1))
2(L(x1)) → L(2(x1))
0(L(x1)) → 2(R(x1))
R(b(x1)) → c(1(b(x1)))
3(c(x1)) → c(1(x1))
2(c(1(x1))) → c(0(R(1(x1))))
2(c(0(x1))) → c(0(0(x1)))

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

↳ QTRS
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
        ↳ AND
          ↳ QDP
QDP
            ↳ QDPOrderProof

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

21(L(x1)) → 21(x1)
21(c(0(x1))) → 01(0(x1))
01(L(x1)) → 21(R(x1))
21(c(1(x1))) → 01(R(1(x1)))
R1(3(x1)) → R1(x1)
R1(2(x1)) → 21(R(x1))
R1(2(x1)) → R1(x1)
01(L(x1)) → R1(x1)

The TRS R consists of the following rules:

R(2(x1)) → 2(R(x1))
R(3(x1)) → 3(R(x1))
R(1(x1)) → L(3(x1))
3(L(x1)) → L(3(x1))
2(L(x1)) → L(2(x1))
0(L(x1)) → 2(R(x1))
R(b(x1)) → c(1(b(x1)))
3(c(x1)) → c(1(x1))
2(c(1(x1))) → c(0(R(1(x1))))
2(c(0(x1))) → c(0(0(x1)))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [15].


The following pairs can be oriented strictly and are deleted.


R1(2(x1)) → 21(R(x1))
R1(2(x1)) → R1(x1)
The remaining pairs can at least be oriented weakly.

21(L(x1)) → 21(x1)
21(c(0(x1))) → 01(0(x1))
01(L(x1)) → 21(R(x1))
21(c(1(x1))) → 01(R(1(x1)))
R1(3(x1)) → R1(x1)
01(L(x1)) → R1(x1)
Used ordering: Polynomial interpretation [25,35]:

POL(21(x1)) = (2)x_1   
POL(1(x1)) = (2)x_1   
POL(c(x1)) = x_1   
POL(01(x1)) = (2)x_1   
POL(3(x1)) = (2)x_1   
POL(2(x1)) = 1/4 + (4)x_1   
POL(L(x1)) = x_1   
POL(b(x1)) = 0   
POL(0(x1)) = 1/4 + (4)x_1   
POL(R1(x1)) = (1/2)x_1   
POL(R(x1)) = x_1   
The value of delta used in the strict ordering is 1/8.
The following usable rules [17] were oriented:

R(2(x1)) → 2(R(x1))
R(3(x1)) → 3(R(x1))
R(1(x1)) → L(3(x1))
2(L(x1)) → L(2(x1))
3(L(x1)) → L(3(x1))
R(b(x1)) → c(1(b(x1)))
0(L(x1)) → 2(R(x1))
2(c(1(x1))) → c(0(R(1(x1))))
3(c(x1)) → c(1(x1))
2(c(0(x1))) → c(0(0(x1)))



↳ QTRS
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
        ↳ AND
          ↳ QDP
          ↳ QDP
            ↳ QDPOrderProof
QDP
                ↳ DependencyGraphProof

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

21(L(x1)) → 21(x1)
21(c(1(x1))) → 01(R(1(x1)))
01(L(x1)) → 21(R(x1))
21(c(0(x1))) → 01(0(x1))
R1(3(x1)) → R1(x1)
01(L(x1)) → R1(x1)

The TRS R consists of the following rules:

R(2(x1)) → 2(R(x1))
R(3(x1)) → 3(R(x1))
R(1(x1)) → L(3(x1))
3(L(x1)) → L(3(x1))
2(L(x1)) → L(2(x1))
0(L(x1)) → 2(R(x1))
R(b(x1)) → c(1(b(x1)))
3(c(x1)) → c(1(x1))
2(c(1(x1))) → c(0(R(1(x1))))
2(c(0(x1))) → c(0(0(x1)))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [15,17,22] contains 2 SCCs with 1 less node.

↳ QTRS
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
        ↳ AND
          ↳ QDP
          ↳ QDP
            ↳ QDPOrderProof
              ↳ QDP
                ↳ DependencyGraphProof
                  ↳ AND
QDP
                      ↳ QDPOrderProof
                    ↳ QDP

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

R1(3(x1)) → R1(x1)

The TRS R consists of the following rules:

R(2(x1)) → 2(R(x1))
R(3(x1)) → 3(R(x1))
R(1(x1)) → L(3(x1))
3(L(x1)) → L(3(x1))
2(L(x1)) → L(2(x1))
0(L(x1)) → 2(R(x1))
R(b(x1)) → c(1(b(x1)))
3(c(x1)) → c(1(x1))
2(c(1(x1))) → c(0(R(1(x1))))
2(c(0(x1))) → c(0(0(x1)))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [15].


The following pairs can be oriented strictly and are deleted.


R1(3(x1)) → R1(x1)
The remaining pairs can at least be oriented weakly.
none
Used ordering: Polynomial interpretation [25,35]:

POL(3(x1)) = 1/4 + (7/2)x_1   
POL(R1(x1)) = (2)x_1   
The value of delta used in the strict ordering is 1/2.
The following usable rules [17] were oriented: none



↳ QTRS
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
        ↳ AND
          ↳ QDP
          ↳ QDP
            ↳ QDPOrderProof
              ↳ QDP
                ↳ DependencyGraphProof
                  ↳ AND
                    ↳ QDP
                      ↳ QDPOrderProof
QDP
                          ↳ PisEmptyProof
                    ↳ QDP

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

R(2(x1)) → 2(R(x1))
R(3(x1)) → 3(R(x1))
R(1(x1)) → L(3(x1))
3(L(x1)) → L(3(x1))
2(L(x1)) → L(2(x1))
0(L(x1)) → 2(R(x1))
R(b(x1)) → c(1(b(x1)))
3(c(x1)) → c(1(x1))
2(c(1(x1))) → c(0(R(1(x1))))
2(c(0(x1))) → c(0(0(x1)))

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

↳ QTRS
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
        ↳ AND
          ↳ QDP
          ↳ QDP
            ↳ QDPOrderProof
              ↳ QDP
                ↳ DependencyGraphProof
                  ↳ AND
                    ↳ QDP
QDP

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

21(L(x1)) → 21(x1)
21(c(0(x1))) → 01(0(x1))
01(L(x1)) → 21(R(x1))
21(c(1(x1))) → 01(R(1(x1)))

The TRS R consists of the following rules:

R(2(x1)) → 2(R(x1))
R(3(x1)) → 3(R(x1))
R(1(x1)) → L(3(x1))
3(L(x1)) → L(3(x1))
2(L(x1)) → L(2(x1))
0(L(x1)) → 2(R(x1))
R(b(x1)) → c(1(b(x1)))
3(c(x1)) → c(1(x1))
2(c(1(x1))) → c(0(R(1(x1))))
2(c(0(x1))) → c(0(0(x1)))

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