LISA WRW+WR+poacquirerelease+fencembonceonce+Once "RfeOnceAcquire PodRWAcquireRelease WseReleaseOnce FenceMbdWROnceOnce FreOnceOnce" Cycle=PodRWAcquireRelease WseReleaseOnce FenceMbdWROnceOnce FreOnceOnce RfeOnceAcquire Relax=RfeOnceAcquire WseReleaseOnce Safe=PodRWAcquireRelease FreOnceOnce FenceMbdWROnceOnce Prefetch=1:x=F,1:y=W,2:y=F,2:x=T Com=Rf Ws Fr Orig=RfeOnceAcquire PodRWAcquireRelease WseReleaseOnce FenceMbdWROnceOnce FreOnceOnce { } P0 | P1 | P2 ; w[once] x 1 | r[acquire] r0 x | w[once] y 2 ; | w[release] y 1 | f[mb] ; | | r[once] r0 x ; Observed y=2; 2:r0=0; 1:r0=1;