Test WWC+poacquireonces+Once

C WWC+poacquireonces+Once
Hash=aa0f340a129a7ff3b45d504eaa3a4ca8
Cycle=PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce WseOnceOnce RfeOnceAcquire
Relax=RfeOnceAcquire
Safe=PodRWAcquireOnce WseOnceOnce
Generator=diy7 (version 7.46+3)
Prefetch=1:x=F,1:y=W,2:y=F,2:x=W
Com=Rf Rf Ws
Orig=RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce WseOnceOnce

{}


P0(int* x) {
  WRITE_ONCE(*x,2);
}

P1(int* x,int* y) {
  int r0 = smp_load_acquire(x);
  WRITE_ONCE(*y,1);
}

P2(int* x,int* y) {
  int r0 = smp_load_acquire(y);
  WRITE_ONCE(*x,1);
}

Observed
    x=2; 2:r0=1; 1:r0=1;
and x=1; 2:r0=1; 1:r0=1;

C11 equivalent:

C WWC+poacquireonces+Once
Hash=aa0f340a129a7ff3b45d504eaa3a4ca8
Cycle=PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce WseOnceOnce RfeOnceAcquire
Relax=RfeOnceAcquire
Safe=PodRWAcquireOnce WseOnceOnce
Generator=diy7 (version 7.46+3)
Prefetch=1:x=F,1:y=W,2:y=F,2:x=W
Com=Rf Rf Ws
Orig=RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce WseOnceOnce

{}


P0(atomic_int* x) {
  atomic_store_explicit(x,2,memory_order_relaxed);
}

P1(atomic_int* x,atomic_int* y) {
  int r0 = atomic_load_explicit(x,memory_order_acquire);
  atomic_store_explicit(y,1,memory_order_relaxed);
}

P2(atomic_int* x,atomic_int* y) {
  int r0 = atomic_load_explicit(y,memory_order_acquire);
  atomic_store_explicit(x,1,memory_order_relaxed);
}

exists (x=2 /\ 1:r0=2 /\ 2:r0=1)