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extern /*@only@*/ int *g(/*@only@*/ int *y);
/*@null@*/ /*@only@*/ int *f(/*@only@*/ int *x)
{
switch (*x)
{
case 1:
return g(x);
case 2:
return g(x);
case 3:
return g(x);
default:
return g(x);
}
}
/*@null@*/ /*@only@*/ int *f2(/*@only@*/ int *x)
{
switch (*x)
{
case 1:
return g(x);
case 2:
return g(x);
} /* 1. Variable x is released in one possible execution, but live ... */
return g(x);
}
/*@null@*/ /*@only@*/ int *f3(/*@only@*/ int *x)
{
switch (*x)
{
case 1:
return g(x);
}
return g(x);
}
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