| C MP+poonceonces | |
| (* | |
| * Result: Maybe | |
| * | |
| * Can the counter-intuitive message-passing outcome be prevented with | |
| * no ordering at all? | |
| *) | |
| {} | |
| P0(int *x, int *y) | |
| { | |
| WRITE_ONCE(*x, 1); | |
| WRITE_ONCE(*y, 1); | |
| } | |
| P1(int *x, int *y) | |
| { | |
| int r0; | |
| int r1; | |
| r0 = READ_ONCE(*y); | |
| r1 = READ_ONCE(*x); | |
| } | |
| exists (1:r0=1 /\ 1:r1=0) |