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:
-2(x, 0) -> x
-2(s1(x), s1(y)) -> -2(x, y)
+2(0, y) -> y
+2(s1(x), y) -> s1(+2(x, y))
*2(x, 0) -> 0
*2(x, s1(y)) -> +2(x, *2(x, y))
f1(s1(x)) -> f1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
Q is empty.
↳ QTRS
↳ Non-Overlap Check
Q restricted rewrite system:
The TRS R consists of the following rules:
-2(x, 0) -> x
-2(s1(x), s1(y)) -> -2(x, y)
+2(0, y) -> y
+2(s1(x), y) -> s1(+2(x, y))
*2(x, 0) -> 0
*2(x, s1(y)) -> +2(x, *2(x, y))
f1(s1(x)) -> f1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
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:
-2(x, 0) -> x
-2(s1(x), s1(y)) -> -2(x, y)
+2(0, y) -> y
+2(s1(x), y) -> s1(+2(x, y))
*2(x, 0) -> 0
*2(x, s1(y)) -> +2(x, *2(x, y))
f1(s1(x)) -> f1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
The set Q consists of the following terms:
-2(x0, 0)
-2(s1(x0), s1(x1))
+2(0, x0)
+2(s1(x0), x1)
*2(x0, 0)
*2(x0, s1(x1))
f1(s1(x0))
Q DP problem:
The TRS P consists of the following rules:
*12(x, s1(y)) -> +12(x, *2(x, y))
*12(x, s1(y)) -> *12(x, y)
F1(s1(x)) -> F1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
-12(s1(x), s1(y)) -> -12(x, y)
F1(s1(x)) -> -12(*2(s1(s1(0)), s1(x)), s1(s1(x)))
+12(s1(x), y) -> +12(x, y)
F1(s1(x)) -> *12(s1(s1(0)), s1(x))
The TRS R consists of the following rules:
-2(x, 0) -> x
-2(s1(x), s1(y)) -> -2(x, y)
+2(0, y) -> y
+2(s1(x), y) -> s1(+2(x, y))
*2(x, 0) -> 0
*2(x, s1(y)) -> +2(x, *2(x, y))
f1(s1(x)) -> f1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
The set Q consists of the following terms:
-2(x0, 0)
-2(s1(x0), s1(x1))
+2(0, x0)
+2(s1(x0), x1)
*2(x0, 0)
*2(x0, s1(x1))
f1(s1(x0))
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:
*12(x, s1(y)) -> +12(x, *2(x, y))
*12(x, s1(y)) -> *12(x, y)
F1(s1(x)) -> F1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
-12(s1(x), s1(y)) -> -12(x, y)
F1(s1(x)) -> -12(*2(s1(s1(0)), s1(x)), s1(s1(x)))
+12(s1(x), y) -> +12(x, y)
F1(s1(x)) -> *12(s1(s1(0)), s1(x))
The TRS R consists of the following rules:
-2(x, 0) -> x
-2(s1(x), s1(y)) -> -2(x, y)
+2(0, y) -> y
+2(s1(x), y) -> s1(+2(x, y))
*2(x, 0) -> 0
*2(x, s1(y)) -> +2(x, *2(x, y))
f1(s1(x)) -> f1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
The set Q consists of the following terms:
-2(x0, 0)
-2(s1(x0), s1(x1))
+2(0, x0)
+2(s1(x0), x1)
*2(x0, 0)
*2(x0, s1(x1))
f1(s1(x0))
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph contains 4 SCCs with 3 less nodes.
↳ QTRS
↳ Non-Overlap Check
↳ QTRS
↳ DependencyPairsProof
↳ QDP
↳ DependencyGraphProof
↳ AND
↳ QDP
↳ QDPAfsSolverProof
↳ QDP
↳ QDP
↳ QDP
Q DP problem:
The TRS P consists of the following rules:
+12(s1(x), y) -> +12(x, y)
The TRS R consists of the following rules:
-2(x, 0) -> x
-2(s1(x), s1(y)) -> -2(x, y)
+2(0, y) -> y
+2(s1(x), y) -> s1(+2(x, y))
*2(x, 0) -> 0
*2(x, s1(y)) -> +2(x, *2(x, y))
f1(s1(x)) -> f1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
The set Q consists of the following terms:
-2(x0, 0)
-2(s1(x0), s1(x1))
+2(0, x0)
+2(s1(x0), x1)
*2(x0, 0)
*2(x0, s1(x1))
f1(s1(x0))
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.
+12(s1(x), y) -> +12(x, y)
Used argument filtering: +12(x1, x2) = x1
s1(x1) = s1(x1)
Used ordering: Quasi Precedence:
trivial
↳ QTRS
↳ Non-Overlap Check
↳ QTRS
↳ DependencyPairsProof
↳ QDP
↳ DependencyGraphProof
↳ AND
↳ QDP
↳ QDPAfsSolverProof
↳ QDP
↳ PisEmptyProof
↳ QDP
↳ QDP
↳ QDP
Q DP problem:
P is empty.
The TRS R consists of the following rules:
-2(x, 0) -> x
-2(s1(x), s1(y)) -> -2(x, y)
+2(0, y) -> y
+2(s1(x), y) -> s1(+2(x, y))
*2(x, 0) -> 0
*2(x, s1(y)) -> +2(x, *2(x, y))
f1(s1(x)) -> f1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
The set Q consists of the following terms:
-2(x0, 0)
-2(s1(x0), s1(x1))
+2(0, x0)
+2(s1(x0), x1)
*2(x0, 0)
*2(x0, s1(x1))
f1(s1(x0))
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
↳ QDP
Q DP problem:
The TRS P consists of the following rules:
*12(x, s1(y)) -> *12(x, y)
The TRS R consists of the following rules:
-2(x, 0) -> x
-2(s1(x), s1(y)) -> -2(x, y)
+2(0, y) -> y
+2(s1(x), y) -> s1(+2(x, y))
*2(x, 0) -> 0
*2(x, s1(y)) -> +2(x, *2(x, y))
f1(s1(x)) -> f1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
The set Q consists of the following terms:
-2(x0, 0)
-2(s1(x0), s1(x1))
+2(0, x0)
+2(s1(x0), x1)
*2(x0, 0)
*2(x0, s1(x1))
f1(s1(x0))
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.
*12(x, s1(y)) -> *12(x, y)
Used argument filtering: *12(x1, x2) = x2
s1(x1) = s1(x1)
Used ordering: Quasi Precedence:
trivial
↳ QTRS
↳ Non-Overlap Check
↳ QTRS
↳ DependencyPairsProof
↳ QDP
↳ DependencyGraphProof
↳ AND
↳ QDP
↳ QDP
↳ QDPAfsSolverProof
↳ QDP
↳ PisEmptyProof
↳ QDP
↳ QDP
Q DP problem:
P is empty.
The TRS R consists of the following rules:
-2(x, 0) -> x
-2(s1(x), s1(y)) -> -2(x, y)
+2(0, y) -> y
+2(s1(x), y) -> s1(+2(x, y))
*2(x, 0) -> 0
*2(x, s1(y)) -> +2(x, *2(x, y))
f1(s1(x)) -> f1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
The set Q consists of the following terms:
-2(x0, 0)
-2(s1(x0), s1(x1))
+2(0, x0)
+2(s1(x0), x1)
*2(x0, 0)
*2(x0, s1(x1))
f1(s1(x0))
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
↳ QDPAfsSolverProof
↳ QDP
Q DP problem:
The TRS P consists of the following rules:
-12(s1(x), s1(y)) -> -12(x, y)
The TRS R consists of the following rules:
-2(x, 0) -> x
-2(s1(x), s1(y)) -> -2(x, y)
+2(0, y) -> y
+2(s1(x), y) -> s1(+2(x, y))
*2(x, 0) -> 0
*2(x, s1(y)) -> +2(x, *2(x, y))
f1(s1(x)) -> f1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
The set Q consists of the following terms:
-2(x0, 0)
-2(s1(x0), s1(x1))
+2(0, x0)
+2(s1(x0), x1)
*2(x0, 0)
*2(x0, s1(x1))
f1(s1(x0))
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.
-12(s1(x), s1(y)) -> -12(x, y)
Used argument filtering: -12(x1, x2) = x2
s1(x1) = s1(x1)
Used ordering: Quasi Precedence:
trivial
↳ QTRS
↳ Non-Overlap Check
↳ QTRS
↳ DependencyPairsProof
↳ QDP
↳ DependencyGraphProof
↳ AND
↳ QDP
↳ QDP
↳ QDP
↳ QDPAfsSolverProof
↳ QDP
↳ PisEmptyProof
↳ QDP
Q DP problem:
P is empty.
The TRS R consists of the following rules:
-2(x, 0) -> x
-2(s1(x), s1(y)) -> -2(x, y)
+2(0, y) -> y
+2(s1(x), y) -> s1(+2(x, y))
*2(x, 0) -> 0
*2(x, s1(y)) -> +2(x, *2(x, y))
f1(s1(x)) -> f1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
The set Q consists of the following terms:
-2(x0, 0)
-2(s1(x0), s1(x1))
+2(0, x0)
+2(s1(x0), x1)
*2(x0, 0)
*2(x0, s1(x1))
f1(s1(x0))
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
↳ QDP
Q DP problem:
The TRS P consists of the following rules:
F1(s1(x)) -> F1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
The TRS R consists of the following rules:
-2(x, 0) -> x
-2(s1(x), s1(y)) -> -2(x, y)
+2(0, y) -> y
+2(s1(x), y) -> s1(+2(x, y))
*2(x, 0) -> 0
*2(x, s1(y)) -> +2(x, *2(x, y))
f1(s1(x)) -> f1(-2(*2(s1(s1(0)), s1(x)), s1(s1(x))))
The set Q consists of the following terms:
-2(x0, 0)
-2(s1(x0), s1(x1))
+2(0, x0)
+2(s1(x0), x1)
*2(x0, 0)
*2(x0, s1(x1))
f1(s1(x0))
We have to consider all minimal (P,Q,R)-chains.