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empty.in
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# Earlier versions of isl would end up with an empty partial
# executed relation and fail to detect this emptiness.
[
M
]
->
{
S0
[
i
]
->
[
i
,
-
M
]
:
0
<=
i
<=
10
;
S1
[
i
]
->
[
i
,
0
]
:
0
<=
i
<=
10
;
S2
[]
->
[
5
,
0
]
}
[
M
]
->
{
:
M
>=
1
}
{
}