LISA auto/RW-G+RW-G+RW-r+RW-C+RW-B
(*
* Result: Never
*
* Process 0 starts (t=100000).
*
* P0 advances one grace period (t=200000).
*
* P1 advances one grace period (t=300001).
*
* P2 advances slightly (t=300003).
*
* P3 advances slightly (t=300005).
*
* P4 advances slightly (t=300007).
*
* Process 0 start at t=100000, process 5 end at t=300007: Cycle forbidden.
*)
{
}
P0 | P1 | P2 | P3 | P4 ;
r[once] r1 x0 | r[once] r1 x1 | r[once] r1 x2 | r[once] r1 x3 | r[once] r1 x4 ;
f[sync] | f[sync] | w[release] x3 1 | mov r4 (eq r1 r4) | f[mb] ;
w[once] x1 1 | w[once] x2 1 | | b[] r4 CTRL3 | w[once] x0 1 ;
| | | w[once] x4 1 | ;
| | | CTRL3: | ;
Observed
4:r1=0; 3:r1=1; 2:r1=1; 1:r1=1; 0:r1=1;
and 4:r1=1; 3:r1=1; 2:r1=1; 1:r1=0; 0:r1=1;
and 4:r1=1; 3:r1=1; 2:r1=1; 1:r1=1; 0:r1=0;
and 4:r1=0; 3:r1=1; 2:r1=1; 1:r1=0; 0:r1=0;