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-rw-r--r--src/proof/acec/acecCo.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/proof/acec/acecCo.c b/src/proof/acec/acecCo.c
index 1e8ed7bb..a997eb03 100644
--- a/src/proof/acec/acecCo.c
+++ b/src/proof/acec/acecCo.c
@@ -109,7 +109,7 @@ Vec_Int_t * Gia_PolynCoreOrder_int( Gia_Man_t * pGia, Vec_Int_t * vAdds, Vec_Wec
{
Vec_Int_t * vOrder = Vec_IntAlloc( 1000 );
Vec_Bit_t * vIsRoot = Vec_BitStart( Gia_ManObjNum(pGia) );
- int i, k, Index, Driver, Entry1, Entry2 = -1;
+ int i, k, Index = -1, Driver, Entry1, Entry2 = -1;
// mark roots
Vec_IntForEachEntry( vRoots, Driver, i )
Vec_BitWriteEntry( vIsRoot, Driver, 1 );