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[Civl] small fix #1034

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Merged
shazqadeer merged 1 commit into from
Jul 9, 2025
+4 −5
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[Civl] small fix #1034

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9 changes: 4 additions & 5 deletions Test/civl/large-samples/cache-coherence.bpl
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Original file line number Diff line number Diff line change
Expand Up @@ -631,7 +631,7 @@ requires call YieldRead(i, ma, drp);
par value := cache_invalidate_exc#1(dirState->i, ma, Invalid(), dp) | YieldInv#1();
par write_mem(ma, value, dp) | YieldInv#1();
} else {
call dp := invalidate_sharers(ma, dirState->iset, dp);
par dp := invalidate_sharers(ma, dirState->iset, dp) | YieldInv#1();
par value := read_mem(ma, dp) | YieldInv#1();
}
call cache_read_resp#1(i, ma, value, Exclusive(), drp, dp);
Expand All @@ -641,7 +641,6 @@ requires call YieldRead(i, ma, drp);
yield left procedure {:layer 2} invalidate_sharers(ma: MemAddr, victims: Set CacheId, {:linear_in} {:layer 1,2} dp: Set DirPermission)
returns ({:linear} {:layer 1,2} dp': Set DirPermission)
modifies cache;
preserves call YieldInv#1();
requires {:layer 2} Set_IsSubset(Set((lambda x: DirPermission :: Set_Contains(victims, x->i) && x->ma == ma)), dp);
requires {:layer 2} (forall i: CacheId, ca: CacheAddr:: (var line := cache[i][ca];
line->state == Invalid() ||
Expand All @@ -663,9 +662,9 @@ ensures {:layer 2} dp == dp';
}
victim := Choice(victims->val);
victims' := Set_Remove(victims, victim);
par dpOne, dp' := get_victim(victim, ma, dp') | YieldInv#1();
par cache_invalidate_shd#1(victim, ma, Invalid(), dpOne) | dp' := invalidate_sharers(ma, victims', dp') | YieldInv#1();
par dp' := put_victim(dpOne, dp') | YieldInv#1();
par dpOne, dp' := get_victim(victim, ma, dp');
par cache_invalidate_shd#1(victim, ma, Invalid(), dpOne) | dp' := invalidate_sharers(ma, victims', dp');
par dp' := put_victim(dpOne, dp');
}

yield procedure {:layer 1} get_victim(victim: CacheId, ma: MemAddr, {:layer 1} {:linear_in} dp: Set DirPermission)
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