PPC PPC148-A "PodRW Rfe PodRW Wse PodWR Fre PodWW Rfe" {0:r2=a; 0:r4=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=z; 3:r2=z; 3:r4=a;} P0 | P1 | P2 | P3 ; FNO(r1,r2) | FNO(r1,r2) | li r1,2 | li r1,1 ; li r3,1 | li r3,1 | STA(r1,r2) | STA(r1,r2) ; STA(r3,r4) | STA(r3,r4) | FNO(r3,r4) | li r3,1 ; | | | STA(r3,r4) ; forall (0:r1=1 /\ (1:r1=1 /\ (2:r3=1 /\ (y=2 \/ y=1) \/ 2:r3=0 /\ y=1) \/ 1:r1=0 /\ (2:r3=1 /\ (y=2 \/ y=1) \/ 2:r3=0 /\ (y=2 \/ y=1))) \/ 0:r1=0 /\ (1:r1=1 /\ (2:r3=1 /\ (y=2 \/ y=1) \/ 2:r3=0 /\ (y=2 \/ y=1)) \/ 1:r1=0 /\ (2:r3=1 /\ (y=2 \/ y=1) \/ 2:r3=0 /\ (y=2 \/ y=1))))