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-rw-r--r--src/sat/bsat/satProof.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/sat/bsat/satProof.c b/src/sat/bsat/satProof.c
index 53f60384..93232f08 100644
--- a/src/sat/bsat/satProof.c
+++ b/src/sat/bsat/satProof.c
@@ -443,6 +443,7 @@ int Sat_ProofReduce( Vec_Set_t * vProof, void * pRoots, int hProofPivot )
int X = Proof_NodeWordNum(pNode->nEnts);
hTemp = pNode->Id; pNode->Id = 0;
assert( hTemp > 1 );
+ assert( hTemp + Proof_NodeWordNum(pNode->nEnts) < (1<<vProof->nPageSize) );
memmove( Vec_SetEntry(vProof, hTemp), pNode, sizeof(word)*Proof_NodeWordNum(pNode->nEnts) );
if ( pPivot && pPivot <= pNode )
{