Test IRWIW+pooncereleases+OnceOnce

LISA IRWIW+pooncereleases+OnceOnce
"RfeOnceOnce PodRWOnceRelease WseReleaseOnce RfeOnceOnce PodRWOnceRelease WseReleaseOnce"
Cycle=RfeOnceOnce PodRWOnceRelease WseReleaseOnce RfeOnceOnce PodRWOnceRelease WseReleaseOnce
Relax=WseReleaseOnce
Safe=RfeOnceOnce PodRWOnceRelease
Prefetch=1:x=F,1:y=W,3:y=F,3:x=W
Com=Rf Ws Rf Ws
Orig=RfeOnceOnce PodRWOnceRelease WseReleaseOnce RfeOnceOnce PodRWOnceRelease WseReleaseOnce
{
}
 P0          | P1             | P2          | P3             ;
 w[once] x 2 | r[once] r0 x   | w[once] y 2 | r[once] r0 y   ;
             | w[release] y 1 |             | w[release] x 1 ;
Observed
    y=2; x=2; 3:r0=2; 1:r0=2;