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:

a__aa__c
a__ba__c
a__ce
a__kl
a__dm
a__aa__d
a__ba__d
a__cl
a__km
a__Aa__h(a__f(a__a), a__f(a__b))
a__h(X, X) → a__g(mark(X), mark(X), a__f(a__k))
a__g(d, X, X) → a__A
a__f(X) → a__z(mark(X), X)
a__z(e, X) → mark(X)
mark(A) → a__A
mark(a) → a__a
mark(b) → a__b
mark(c) → a__c
mark(d) → a__d
mark(k) → a__k
mark(z(X1, X2)) → a__z(mark(X1), X2)
mark(f(X)) → a__f(mark(X))
mark(h(X1, X2)) → a__h(mark(X1), mark(X2))
mark(g(X1, X2, X3)) → a__g(mark(X1), mark(X2), mark(X3))
mark(e) → e
mark(l) → l
mark(m) → m
a__AA
a__aa
a__bb
a__cc
a__dd
a__kk
a__z(X1, X2) → z(X1, X2)
a__f(X) → f(X)
a__h(X1, X2) → h(X1, X2)
a__g(X1, X2, X3) → g(X1, X2, X3)

Q is empty.


QTRS
  ↳ DependencyPairsProof

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

a__aa__c
a__ba__c
a__ce
a__kl
a__dm
a__aa__d
a__ba__d
a__cl
a__km
a__Aa__h(a__f(a__a), a__f(a__b))
a__h(X, X) → a__g(mark(X), mark(X), a__f(a__k))
a__g(d, X, X) → a__A
a__f(X) → a__z(mark(X), X)
a__z(e, X) → mark(X)
mark(A) → a__A
mark(a) → a__a
mark(b) → a__b
mark(c) → a__c
mark(d) → a__d
mark(k) → a__k
mark(z(X1, X2)) → a__z(mark(X1), X2)
mark(f(X)) → a__f(mark(X))
mark(h(X1, X2)) → a__h(mark(X1), mark(X2))
mark(g(X1, X2, X3)) → a__g(mark(X1), mark(X2), mark(X3))
mark(e) → e
mark(l) → l
mark(m) → m
a__AA
a__aa
a__bb
a__cc
a__dd
a__kk
a__z(X1, X2) → z(X1, X2)
a__f(X) → f(X)
a__h(X1, X2) → h(X1, X2)
a__g(X1, X2, X3) → g(X1, X2, X3)

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:

MARK(g(X1, X2, X3)) → MARK(X2)
MARK(b) → A__B
A__A1A__A
MARK(k) → A__K
A__A1A__H(a__f(a__a), a__f(a__b))
MARK(g(X1, X2, X3)) → A__G(mark(X1), mark(X2), mark(X3))
A__H(X, X) → MARK(X)
A__F(X) → MARK(X)
A__G(d, X, X) → A__A1
A__A1A__B
A__AA__C
A__AA__D
MARK(A) → A__A1
A__H(X, X) → A__K
A__A1A__F(a__b)
A__A1A__F(a__a)
MARK(z(X1, X2)) → MARK(X1)
MARK(f(X)) → MARK(X)
MARK(g(X1, X2, X3)) → MARK(X1)
A__F(X) → A__Z(mark(X), X)
MARK(h(X1, X2)) → A__H(mark(X1), mark(X2))
MARK(h(X1, X2)) → MARK(X1)
A__BA__C
A__H(X, X) → A__G(mark(X), mark(X), a__f(a__k))
A__H(X, X) → A__F(a__k)
A__Z(e, X) → MARK(X)
MARK(z(X1, X2)) → A__Z(mark(X1), X2)
MARK(g(X1, X2, X3)) → MARK(X3)
MARK(h(X1, X2)) → MARK(X2)
MARK(a) → A__A
MARK(c) → A__C
MARK(f(X)) → A__F(mark(X))
MARK(d) → A__D
A__BA__D

The TRS R consists of the following rules:

a__aa__c
a__ba__c
a__ce
a__kl
a__dm
a__aa__d
a__ba__d
a__cl
a__km
a__Aa__h(a__f(a__a), a__f(a__b))
a__h(X, X) → a__g(mark(X), mark(X), a__f(a__k))
a__g(d, X, X) → a__A
a__f(X) → a__z(mark(X), X)
a__z(e, X) → mark(X)
mark(A) → a__A
mark(a) → a__a
mark(b) → a__b
mark(c) → a__c
mark(d) → a__d
mark(k) → a__k
mark(z(X1, X2)) → a__z(mark(X1), X2)
mark(f(X)) → a__f(mark(X))
mark(h(X1, X2)) → a__h(mark(X1), mark(X2))
mark(g(X1, X2, X3)) → a__g(mark(X1), mark(X2), mark(X3))
mark(e) → e
mark(l) → l
mark(m) → m
a__AA
a__aa
a__bb
a__cc
a__dd
a__kk
a__z(X1, X2) → z(X1, X2)
a__f(X) → f(X)
a__h(X1, X2) → h(X1, X2)
a__g(X1, X2, X3) → g(X1, X2, X3)

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:

MARK(g(X1, X2, X3)) → MARK(X2)
MARK(b) → A__B
A__A1A__A
MARK(k) → A__K
A__A1A__H(a__f(a__a), a__f(a__b))
MARK(g(X1, X2, X3)) → A__G(mark(X1), mark(X2), mark(X3))
A__H(X, X) → MARK(X)
A__F(X) → MARK(X)
A__G(d, X, X) → A__A1
A__A1A__B
A__AA__C
A__AA__D
MARK(A) → A__A1
A__H(X, X) → A__K
A__A1A__F(a__b)
A__A1A__F(a__a)
MARK(z(X1, X2)) → MARK(X1)
MARK(f(X)) → MARK(X)
MARK(g(X1, X2, X3)) → MARK(X1)
A__F(X) → A__Z(mark(X), X)
MARK(h(X1, X2)) → A__H(mark(X1), mark(X2))
MARK(h(X1, X2)) → MARK(X1)
A__BA__C
A__H(X, X) → A__G(mark(X), mark(X), a__f(a__k))
A__H(X, X) → A__F(a__k)
A__Z(e, X) → MARK(X)
MARK(z(X1, X2)) → A__Z(mark(X1), X2)
MARK(g(X1, X2, X3)) → MARK(X3)
MARK(h(X1, X2)) → MARK(X2)
MARK(a) → A__A
MARK(c) → A__C
MARK(f(X)) → A__F(mark(X))
MARK(d) → A__D
A__BA__D

The TRS R consists of the following rules:

a__aa__c
a__ba__c
a__ce
a__kl
a__dm
a__aa__d
a__ba__d
a__cl
a__km
a__Aa__h(a__f(a__a), a__f(a__b))
a__h(X, X) → a__g(mark(X), mark(X), a__f(a__k))
a__g(d, X, X) → a__A
a__f(X) → a__z(mark(X), X)
a__z(e, X) → mark(X)
mark(A) → a__A
mark(a) → a__a
mark(b) → a__b
mark(c) → a__c
mark(d) → a__d
mark(k) → a__k
mark(z(X1, X2)) → a__z(mark(X1), X2)
mark(f(X)) → a__f(mark(X))
mark(h(X1, X2)) → a__h(mark(X1), mark(X2))
mark(g(X1, X2, X3)) → a__g(mark(X1), mark(X2), mark(X3))
mark(e) → e
mark(l) → l
mark(m) → m
a__AA
a__aa
a__bb
a__cc
a__dd
a__kk
a__z(X1, X2) → z(X1, X2)
a__f(X) → f(X)
a__h(X1, X2) → h(X1, X2)
a__g(X1, X2, X3) → g(X1, X2, X3)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [15,17,22] contains 1 SCC with 12 less nodes.

↳ QTRS
  ↳ DependencyPairsProof
    ↳ QDP
      ↳ DependencyGraphProof
QDP
          ↳ QDPOrderProof

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

MARK(g(X1, X2, X3)) → MARK(X2)
MARK(g(X1, X2, X3)) → MARK(X1)
A__F(X) → A__Z(mark(X), X)
MARK(h(X1, X2)) → A__H(mark(X1), mark(X2))
MARK(h(X1, X2)) → MARK(X1)
A__A1A__H(a__f(a__a), a__f(a__b))
A__H(X, X) → A__G(mark(X), mark(X), a__f(a__k))
MARK(g(X1, X2, X3)) → A__G(mark(X1), mark(X2), mark(X3))
A__H(X, X) → MARK(X)
A__F(X) → MARK(X)
A__G(d, X, X) → A__A1
A__H(X, X) → A__F(a__k)
A__Z(e, X) → MARK(X)
MARK(z(X1, X2)) → A__Z(mark(X1), X2)
MARK(A) → A__A1
MARK(g(X1, X2, X3)) → MARK(X3)
MARK(h(X1, X2)) → MARK(X2)
A__A1A__F(a__b)
A__A1A__F(a__a)
MARK(f(X)) → A__F(mark(X))
MARK(z(X1, X2)) → MARK(X1)
MARK(f(X)) → MARK(X)

The TRS R consists of the following rules:

a__aa__c
a__ba__c
a__ce
a__kl
a__dm
a__aa__d
a__ba__d
a__cl
a__km
a__Aa__h(a__f(a__a), a__f(a__b))
a__h(X, X) → a__g(mark(X), mark(X), a__f(a__k))
a__g(d, X, X) → a__A
a__f(X) → a__z(mark(X), X)
a__z(e, X) → mark(X)
mark(A) → a__A
mark(a) → a__a
mark(b) → a__b
mark(c) → a__c
mark(d) → a__d
mark(k) → a__k
mark(z(X1, X2)) → a__z(mark(X1), X2)
mark(f(X)) → a__f(mark(X))
mark(h(X1, X2)) → a__h(mark(X1), mark(X2))
mark(g(X1, X2, X3)) → a__g(mark(X1), mark(X2), mark(X3))
mark(e) → e
mark(l) → l
mark(m) → m
a__AA
a__aa
a__bb
a__cc
a__dd
a__kk
a__z(X1, X2) → z(X1, X2)
a__f(X) → f(X)
a__h(X1, X2) → h(X1, X2)
a__g(X1, X2, X3) → g(X1, X2, X3)

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.


MARK(g(X1, X2, X3)) → MARK(X2)
MARK(g(X1, X2, X3)) → MARK(X1)
MARK(h(X1, X2)) → A__H(mark(X1), mark(X2))
MARK(h(X1, X2)) → MARK(X1)
MARK(g(X1, X2, X3)) → A__G(mark(X1), mark(X2), mark(X3))
MARK(A) → A__A1
MARK(g(X1, X2, X3)) → MARK(X3)
MARK(h(X1, X2)) → MARK(X2)
The remaining pairs can at least be oriented weakly.

A__F(X) → A__Z(mark(X), X)
A__A1A__H(a__f(a__a), a__f(a__b))
A__H(X, X) → A__G(mark(X), mark(X), a__f(a__k))
A__H(X, X) → MARK(X)
A__F(X) → MARK(X)
A__G(d, X, X) → A__A1
A__H(X, X) → A__F(a__k)
A__Z(e, X) → MARK(X)
MARK(z(X1, X2)) → A__Z(mark(X1), X2)
A__A1A__F(a__b)
A__A1A__F(a__a)
MARK(f(X)) → A__F(mark(X))
MARK(z(X1, X2)) → MARK(X1)
MARK(f(X)) → MARK(X)
Used ordering: Polynomial interpretation [25,35]:

POL(a__b) = 0   
POL(z(x1, x2)) = (3/2)x_1 + (5/2)x_2   
POL(a__h(x1, x2)) = 4 + (4)x_1 + (4)x_2   
POL(A__F(x1)) = (4)x_1   
POL(mark(x1)) = x_1   
POL(a__k) = 0   
POL(a__c) = 0   
POL(f(x1)) = (4)x_1   
POL(g(x1, x2, x3)) = 4 + (7/4)x_1 + (4)x_2 + (7/4)x_3   
POL(b) = 0   
POL(a__a) = 0   
POL(c) = 0   
POL(a) = 0   
POL(e) = 0   
POL(k) = 0   
POL(A__A1) = 0   
POL(d) = 0   
POL(A) = 4   
POL(a__d) = 0   
POL(a__A) = 4   
POL(a__z(x1, x2)) = (3/2)x_1 + (5/2)x_2   
POL(m) = 0   
POL(A__Z(x1, x2)) = (4)x_2   
POL(MARK(x1)) = (4)x_1   
POL(l) = 0   
POL(a__g(x1, x2, x3)) = 4 + (7/4)x_1 + (4)x_2 + (7/4)x_3   
POL(a__f(x1)) = (4)x_1   
POL(h(x1, x2)) = 4 + (4)x_1 + (4)x_2   
POL(A__H(x1, x2)) = (4)x_2   
POL(A__G(x1, x2, x3)) = (1/4)x_2   
The value of delta used in the strict ordering is 16.
The following usable rules [17] were oriented:

a__z(X1, X2) → z(X1, X2)
a__f(X) → f(X)
a__h(X1, X2) → h(X1, X2)
a__g(X1, X2, X3) → g(X1, X2, X3)
a__bb
a__cc
a__dd
a__kk
a__aa__c
a__kl
a__dm
a__ba__c
a__ce
a__cl
a__km
a__aa__d
a__ba__d
a__h(X, X) → a__g(mark(X), mark(X), a__f(a__k))
a__Aa__h(a__f(a__a), a__f(a__b))
a__g(d, X, X) → a__A
mark(b) → a__b
mark(a) → a__a
mark(A) → a__A
a__f(X) → a__z(mark(X), X)
mark(z(X1, X2)) → a__z(mark(X1), X2)
mark(f(X)) → a__f(mark(X))
a__z(e, X) → mark(X)
mark(k) → a__k
mark(d) → a__d
mark(c) → a__c
mark(e) → e
mark(g(X1, X2, X3)) → a__g(mark(X1), mark(X2), mark(X3))
mark(h(X1, X2)) → a__h(mark(X1), mark(X2))
a__aa
a__AA
mark(m) → m
mark(l) → l



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

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

A__F(X) → A__Z(mark(X), X)
A__A1A__H(a__f(a__a), a__f(a__b))
A__H(X, X) → A__G(mark(X), mark(X), a__f(a__k))
A__H(X, X) → MARK(X)
A__F(X) → MARK(X)
A__G(d, X, X) → A__A1
A__H(X, X) → A__F(a__k)
A__Z(e, X) → MARK(X)
MARK(z(X1, X2)) → A__Z(mark(X1), X2)
A__A1A__F(a__b)
A__A1A__F(a__a)
MARK(f(X)) → A__F(mark(X))
MARK(z(X1, X2)) → MARK(X1)
MARK(f(X)) → MARK(X)

The TRS R consists of the following rules:

a__aa__c
a__ba__c
a__ce
a__kl
a__dm
a__aa__d
a__ba__d
a__cl
a__km
a__Aa__h(a__f(a__a), a__f(a__b))
a__h(X, X) → a__g(mark(X), mark(X), a__f(a__k))
a__g(d, X, X) → a__A
a__f(X) → a__z(mark(X), X)
a__z(e, X) → mark(X)
mark(A) → a__A
mark(a) → a__a
mark(b) → a__b
mark(c) → a__c
mark(d) → a__d
mark(k) → a__k
mark(z(X1, X2)) → a__z(mark(X1), X2)
mark(f(X)) → a__f(mark(X))
mark(h(X1, X2)) → a__h(mark(X1), mark(X2))
mark(g(X1, X2, X3)) → a__g(mark(X1), mark(X2), mark(X3))
mark(e) → e
mark(l) → l
mark(m) → m
a__AA
a__aa
a__bb
a__cc
a__dd
a__kk
a__z(X1, X2) → z(X1, X2)
a__f(X) → f(X)
a__h(X1, X2) → h(X1, X2)
a__g(X1, X2, X3) → g(X1, X2, X3)

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 4 less nodes.

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

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

A__F(X) → A__Z(mark(X), X)
MARK(f(X)) → A__F(mark(X))
A__F(X) → MARK(X)
MARK(z(X1, X2)) → MARK(X1)
MARK(f(X)) → MARK(X)
MARK(z(X1, X2)) → A__Z(mark(X1), X2)
A__Z(e, X) → MARK(X)

The TRS R consists of the following rules:

a__aa__c
a__ba__c
a__ce
a__kl
a__dm
a__aa__d
a__ba__d
a__cl
a__km
a__Aa__h(a__f(a__a), a__f(a__b))
a__h(X, X) → a__g(mark(X), mark(X), a__f(a__k))
a__g(d, X, X) → a__A
a__f(X) → a__z(mark(X), X)
a__z(e, X) → mark(X)
mark(A) → a__A
mark(a) → a__a
mark(b) → a__b
mark(c) → a__c
mark(d) → a__d
mark(k) → a__k
mark(z(X1, X2)) → a__z(mark(X1), X2)
mark(f(X)) → a__f(mark(X))
mark(h(X1, X2)) → a__h(mark(X1), mark(X2))
mark(g(X1, X2, X3)) → a__g(mark(X1), mark(X2), mark(X3))
mark(e) → e
mark(l) → l
mark(m) → m
a__AA
a__aa
a__bb
a__cc
a__dd
a__kk
a__z(X1, X2) → z(X1, X2)
a__f(X) → f(X)
a__h(X1, X2) → h(X1, X2)
a__g(X1, X2, X3) → g(X1, X2, X3)

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.


MARK(f(X)) → A__F(mark(X))
A__F(X) → MARK(X)
MARK(z(X1, X2)) → MARK(X1)
MARK(f(X)) → MARK(X)
MARK(z(X1, X2)) → A__Z(mark(X1), X2)
A__Z(e, X) → MARK(X)
The remaining pairs can at least be oriented weakly.

A__F(X) → A__Z(mark(X), X)
Used ordering: Polynomial interpretation [25,35]:

POL(a__b) = 0   
POL(z(x1, x2)) = 9/4 + x_1 + x_2   
POL(a__h(x1, x2)) = 0   
POL(A__F(x1)) = 7/4 + (1/2)x_1   
POL(mark(x1)) = x_1   
POL(a__k) = 1/2   
POL(a__c) = 0   
POL(f(x1)) = 9/4 + (4)x_1   
POL(g(x1, x2, x3)) = 0   
POL(b) = 0   
POL(a__a) = 0   
POL(c) = 0   
POL(a) = 0   
POL(e) = 0   
POL(k) = 1/2   
POL(d) = 0   
POL(A) = 0   
POL(a__d) = 0   
POL(a__A) = 0   
POL(a__z(x1, x2)) = 9/4 + x_1 + x_2   
POL(MARK(x1)) = 3/2 + (1/4)x_1   
POL(A__Z(x1, x2)) = 7/4 + (1/4)x_2   
POL(m) = 0   
POL(l) = 0   
POL(a__f(x1)) = 9/4 + (4)x_1   
POL(a__g(x1, x2, x3)) = 0   
POL(h(x1, x2)) = 0   
The value of delta used in the strict ordering is 1/4.
The following usable rules [17] were oriented:

a__z(X1, X2) → z(X1, X2)
a__f(X) → f(X)
a__h(X1, X2) → h(X1, X2)
a__g(X1, X2, X3) → g(X1, X2, X3)
a__bb
a__cc
a__dd
a__kk
a__aa__c
a__kl
a__dm
a__ba__c
a__ce
a__cl
a__km
a__aa__d
a__ba__d
a__h(X, X) → a__g(mark(X), mark(X), a__f(a__k))
a__Aa__h(a__f(a__a), a__f(a__b))
a__g(d, X, X) → a__A
mark(b) → a__b
mark(a) → a__a
mark(A) → a__A
a__f(X) → a__z(mark(X), X)
mark(z(X1, X2)) → a__z(mark(X1), X2)
mark(f(X)) → a__f(mark(X))
a__z(e, X) → mark(X)
mark(k) → a__k
mark(d) → a__d
mark(c) → a__c
mark(e) → e
mark(g(X1, X2, X3)) → a__g(mark(X1), mark(X2), mark(X3))
mark(h(X1, X2)) → a__h(mark(X1), mark(X2))
a__aa
a__AA
mark(m) → m
mark(l) → l



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

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

A__F(X) → A__Z(mark(X), X)

The TRS R consists of the following rules:

a__aa__c
a__ba__c
a__ce
a__kl
a__dm
a__aa__d
a__ba__d
a__cl
a__km
a__Aa__h(a__f(a__a), a__f(a__b))
a__h(X, X) → a__g(mark(X), mark(X), a__f(a__k))
a__g(d, X, X) → a__A
a__f(X) → a__z(mark(X), X)
a__z(e, X) → mark(X)
mark(A) → a__A
mark(a) → a__a
mark(b) → a__b
mark(c) → a__c
mark(d) → a__d
mark(k) → a__k
mark(z(X1, X2)) → a__z(mark(X1), X2)
mark(f(X)) → a__f(mark(X))
mark(h(X1, X2)) → a__h(mark(X1), mark(X2))
mark(g(X1, X2, X3)) → a__g(mark(X1), mark(X2), mark(X3))
mark(e) → e
mark(l) → l
mark(m) → m
a__AA
a__aa
a__bb
a__cc
a__dd
a__kk
a__z(X1, X2) → z(X1, X2)
a__f(X) → f(X)
a__h(X1, X2) → h(X1, X2)
a__g(X1, X2, X3) → g(X1, X2, X3)

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [15,17,22] contains 0 SCCs with 1 less node.

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

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

A__A1A__H(a__f(a__a), a__f(a__b))
A__H(X, X) → A__G(mark(X), mark(X), a__f(a__k))
A__G(d, X, X) → A__A1

The TRS R consists of the following rules:

a__aa__c
a__ba__c
a__ce
a__kl
a__dm
a__aa__d
a__ba__d
a__cl
a__km
a__Aa__h(a__f(a__a), a__f(a__b))
a__h(X, X) → a__g(mark(X), mark(X), a__f(a__k))
a__g(d, X, X) → a__A
a__f(X) → a__z(mark(X), X)
a__z(e, X) → mark(X)
mark(A) → a__A
mark(a) → a__a
mark(b) → a__b
mark(c) → a__c
mark(d) → a__d
mark(k) → a__k
mark(z(X1, X2)) → a__z(mark(X1), X2)
mark(f(X)) → a__f(mark(X))
mark(h(X1, X2)) → a__h(mark(X1), mark(X2))
mark(g(X1, X2, X3)) → a__g(mark(X1), mark(X2), mark(X3))
mark(e) → e
mark(l) → l
mark(m) → m
a__AA
a__aa
a__bb
a__cc
a__dd
a__kk
a__z(X1, X2) → z(X1, X2)
a__f(X) → f(X)
a__h(X1, X2) → h(X1, X2)
a__g(X1, X2, X3) → g(X1, X2, X3)

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