| C CoRR+poonceonce+Once | |
| (* | |
| * Result: Never | |
| * | |
| * Test of read-read coherence, that is, whether or not two successive | |
| * reads from the same variable are ordered. | |
| *) | |
| { | |
| int x; | |
| } | |
| P0(int *x) | |
| { | |
| WRITE_ONCE(*x, 1); | |
| } | |
| P1(int *x) | |
| { | |
| int r0; | |
| int r1; | |
| r0 = READ_ONCE(*x); | |
| r1 = READ_ONCE(*x); | |
| } | |
| exists (1:r0=1 /\ 1:r1=0) |