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LISA auto/WW-GH+WW-R+WW-R+WW-R+WW-G+WW-R
(*
* Result: Never
*
* Process 0 starts (t=100000).
*
* P0 advances three grace periods (t=400000).
*
* P1 goes back a bit less than one grace period (t=301001).
*
* P2 goes back a bit less than one grace period (t=202002).
*
* P3 goes back a bit less than one grace period (t=103003).
*
* P4 advances one grace period (t=203004).
*
* P5 goes back a bit less than one grace period (t=104005).
*
* Process 0 start at t=100000, process 6 end at t=104005: Cycle forbidden.
*)
{
}
P0 | P1 | P2 | P3 | P4 | P5 ;
w[once] x0 2 | f[rcu_read_lock] | f[rcu_read_lock] | f[rcu_read_lock] | w[once] x4 2 | f[rcu_read_lock] ;
f[sync] | w[once] x1 2 | w[once] x2 2 | w[once] x3 2 | f[sync] | w[once] x5 2 ;
f[sync] | w[once] x2 1 | w[once] x3 1 | w[once] x4 1 | w[once] x5 1 | w[once] x0 1 ;
f[sync] | f[rcu_read_unlock] | f[rcu_read_unlock] | f[rcu_read_unlock] | | f[rcu_read_unlock] ;
w[once] x1 1 | | | | | ;
Observed
x5=1; x4=2; x3=2; x2=2; x1=2; x0=2;
and x5=2; x4=1; x3=2; x2=2; x1=2; x0=2;
and x5=1; x4=1; x3=2; x2=2; x1=2; x0=2;
and x5=2; x4=2; x3=1; x2=2; x1=2; x0=2;
and x5=1; x4=2; x3=1; x2=2; x1=2; x0=2;
and x5=2; x4=1; x3=1; x2=2; x1=2; x0=2;
and x5=1; x4=1; x3=1; x2=2; x1=2; x0=2;
and x5=2; x4=2; x3=2; x2=1; x1=2; x0=2;
and x5=1; x4=2; x3=2; x2=1; x1=2; x0=2;
and x5=2; x4=1; x3=2; x2=1; x1=2; x0=2;
and x5=1; x4=1; x3=2; x2=1; x1=2; x0=2;
and x5=2; x4=2; x3=1; x2=1; x1=2; x0=2;
and x5=1; x4=2; x3=1; x2=1; x1=2; x0=2;
and x5=2; x4=1; x3=1; x2=1; x1=2; x0=2;
and x5=1; x4=1; x3=1; x2=1; x1=2; x0=2;
and x5=2; x4=1; x3=2; x2=2; x1=1; x0=2;
and x5=2; x4=1; x3=1; x2=2; x1=1; x0=2;
and x5=2; x4=1; x3=2; x2=1; x1=1; x0=2;
and x5=2; x4=1; x3=1; x2=1; x1=1; x0=2;
and x5=2; x4=2; x3=2; x2=2; x1=2; x0=1;
and x5=1; x4=2; x3=2; x2=2; x1=2; x0=1;
and x5=2; x4=1; x3=2; x2=2; x1=2; x0=1;
and x5=1; x4=1; x3=2; x2=2; x1=2; x0=1;
and x5=2; x4=2; x3=1; x2=2; x1=2; x0=1;
and x5=1; x4=2; x3=1; x2=2; x1=2; x0=1;
and x5=2; x4=1; x3=1; x2=2; x1=2; x0=1;
and x5=1; x4=1; x3=1; x2=2; x1=2; x0=1;
and x5=2; x4=2; x3=2; x2=1; x1=2; x0=1;
and x5=1; x4=2; x3=2; x2=1; x1=2; x0=1;
and x5=2; x4=1; x3=2; x2=1; x1=2; x0=1;
and x5=1; x4=1; x3=2; x2=1; x1=2; x0=1;
and x5=2; x4=2; x3=1; x2=1; x1=2; x0=1;
and x5=2; x4=1; x3=1; x2=1; x1=2; x0=1;
and x5=1; x4=1; x3=1; x2=1; x1=2; x0=1;
and x5=2; x4=1; x3=1; x2=1; x1=1; x0=1;