Termination w.r.t. Q
of the given
QTRS
could not be shown:
0 QTRS
(0)
Obligation:
Q restricted rewrite system:
The TRS R consists of the following rules:
ack
(
0
,
y
) →
s
(
y
)
ack
(
s
(
x
),
0
) →
ack
(
x
,
s
(
0
))
ack
(
s
(
x
),
s
(
y
)) →
ack
(
x
,
ack
(
s
(
x
),
y
))
Q is empty.