Test IRRWIW+poacquireacquire+poacquirerelease+ReleaseRelease

LISA IRRWIW+poacquireacquire+poacquirerelease+ReleaseRelease
"RfeReleaseAcquire PodRRAcquireAcquire FreAcquireRelease RfeReleaseAcquire PodRWAcquireRelease WseReleaseRelease"
Cycle=PodRRAcquireAcquire FreAcquireRelease RfeReleaseAcquire PodRWAcquireRelease WseReleaseRelease RfeReleaseAcquire
Relax=FreAcquireRelease RfeReleaseAcquire WseReleaseRelease
Safe=PodRRAcquireAcquire PodRWAcquireRelease
Prefetch=1:x=F,1:y=T,3:y=F,3:x=W
Com=Rf Fr Rf Ws
Orig=RfeReleaseAcquire PodRRAcquireAcquire FreAcquireRelease RfeReleaseAcquire PodRWAcquireRelease WseReleaseRelease
{
}
 P0             | P1              | P2             | P3              ;
 w[release] x 2 | r[acquire] r0 x | w[release] y 1 | r[acquire] r0 y ;
                | r[acquire] r1 y |                | w[release] x 1  ;
Observed
    x=2; 3:r0=1; 1:r1=0; 1:r0=2;