LISA WRR+2W+poacquireacquire+pooncerelease+Once "RfeOnceAcquire PodRRAcquireAcquire FreAcquireOnce PodWWOnceRelease WseReleaseOnce" Cycle=PodRRAcquireAcquire FreAcquireOnce PodWWOnceRelease WseReleaseOnce RfeOnceAcquire Relax=FreAcquireOnce RfeOnceAcquire WseReleaseOnce Safe=PodRRAcquireAcquire PodWWOnceRelease Prefetch=1:x=F,1:y=T,2:y=F,2:x=W Com=Rf Fr Ws Orig=RfeOnceAcquire PodRRAcquireAcquire FreAcquireOnce PodWWOnceRelease WseReleaseOnce { } P0 | P1 | P2 ; w[once] x 2 | r[acquire] r0 x | w[once] y 1 ; | r[acquire] r1 y | w[release] x 1 ; Observed x=2; 1:r1=0; 1:r0=2;