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-rw-r--r--src/base/abci/abcRec2.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/base/abci/abcRec2.c b/src/base/abci/abcRec2.c
index 352cf0e5..c84ea3ea 100644
--- a/src/base/abci/abcRec2.c
+++ b/src/base/abci/abcRec2.c
@@ -1552,6 +1552,7 @@ timeBuild = clock();
}
// build the node and compute its truth table
+ assert( Vec_PtrSize(vNodes) > 0 );
nNodesBeg = Gia_ManObjNum( pAig );
Vec_PtrForEachEntryStart( If_Obj_t *, vNodes, pIfObj, i, nLeaves )
{