Experiments with don't-cares.

src/base/acb/acbMfs.c

@@ -842,7 +842,7 @@ static inline void Vec_IntRemap( Vec_Int_t * p, Vec_Int_t * vMap )
 void Acb_NtkOptNode( Acb_Ntk_t * p, int Pivot, int nTabooMax, int nDivMax, int nTfoLevs, int nFanMax, int nLutSize )
 {
     Cnf_Dat_t * pCnf;
-    Vec_Int_t * vWin, * vSupp;
+    Vec_Int_t * vWin, * vSupp = NULL;
     sat_solver * pSat1 = NULL, * pSat2 = NULL, * pSat3 = NULL;
     int c, nSuppNew, PivotVar, nDivs = 0;
     int pTaboo[16], nTaboo = Acb_NtkCollectTaboo( p, Pivot, nTabooMax, pTaboo );

src/base/acb/acbUtil.c

@@ -244,7 +244,7 @@ int Acb_ObjComputePathR( Acb_Ntk_t * p, int iObj )
 }
 int Acb_NtkComputePathsR( Acb_Ntk_t * p, Vec_Int_t * vTfi )
 {
-    int i, iObj, Level = p->LevelMax, Path = 0;
+    int i, iObj, Path = 0;
     if ( vTfi == NULL )
     {
         Acb_NtkCleanObjPathR( p );