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/* run.config
STDOPT: +" -cpp-extra-args=-DP0"
EXIT: 1
STDOPT: +" -cpp-extra-args=-DP1"
STDOPT: +" -cpp-extra-args=-DP2"
STDOPT: +" -cpp-extra-args=-DP3"
STDOPT: +" -cpp-extra-args=-DP4"
STDOPT: +" -cpp-extra-args=-DP5"
EXIT: 0
STDOPT: +" -cpp-extra-args=-DP6"
STDOPT: +" -cpp-extra-args=-DP7"
STDOPT: +" -cpp-extra-args=-DP8"
*/
#ifdef P0
int main(int c) {
/*@ ghost //@ requires c >= 0;
int x = c;
/@ loop invariant x >= 0;
loop assigns x;
loop variant x;
@/
while (x > 0) {
x--;
}
*/
return 0;
}
#endif
#ifdef P1
int main()
{
/*@ ghost
int x = 10;
/@ loop invariant x >= 0;
loop assigns x;
loop variant x;
while (x > 0) {
x--;
}
*/
return 0;
}
#endif
#ifdef P2
int main()
{
/@ assert 2 == 2; @/
return 0;
}
#endif
#ifdef P3
int main()
{
assert (2 == 2); @/
return 0;
}
#endif
#ifdef P4
int main()
{
//@ assert (2 == 2); @/
return 0;
}
#endif
#ifdef P5
int main()
{
/*@ ghost
int x = 10;
/@ loop invariant x >= 0;
/@ loop assigns x; @/
loop variant x;
@/
while (x > 0) {
x--;
}
*/
return 0;
}
#endif
#ifdef P6
int main()
{
/*@ ghost
int x = 10;
/@ loop invariant x >= 0;
//@ loop assigns x; // ignored
loop variant x;
@/
while (x > 0) {
x--;
}
*/
return 0;
}
#endif
#ifdef P7
int main(int c)
{
/*@ ghost //@ requires c >= 0;
int x = c;
/@ loop invariant x >= 0;
@ loop invariant x@==@x;
@ loop variant x;
@/
while (x > 0) {
x--;
}
*/
return 0;
}
#endif
#ifdef P8
int main(int c)
{
/*@ ghost //@ requires c >= 0;
@ int x = c;
@ /@ loop invariant x >= 0;
@ @ loop invariant x == x;
@ @ loop variant x;
@ @/
@ while (x > 0) {
@ x--;
@ }
@*/
return 0;
}
#endif
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