Two fixes in 'dsd_filter'.

src/base/abci/abc.c

@@ -16805,7 +16805,8 @@ int Abc_CommandDsdFilter( Abc_Frame_t * pAbc, int argc, char ** argv )
         If_DsdManCleanMarks( pDsd, fVerbose );
     if ( fInvMarks )
         If_DsdManInvertMarks( pDsd, fVerbose );
-    Id_DsdManTuneThresh( pDsd, fUnate, fThresh, fThreshHeuristic, fVerbose );
+    else
+        Id_DsdManTuneThresh( pDsd, fUnate, fThresh, fThreshHeuristic, fVerbose );
     return 0;
 
 usage:

src/map/if/ifDsd.c

@@ -2772,7 +2772,7 @@ void Id_DsdManTuneThresh( If_DsdMan_t * p, int fUnate, int fThresh, int fThreshH
     word * pTruth, Perm;
     int i, nVars, Value;
     abctime clk = Abc_Clock();
-    assert( fUnate != fThresh || fUnate != fThreshHeuristic );
+    assert( fUnate + fThresh + fThreshHeuristic <= 1 );
     if ( p->nObjsPrev > 0 )
         printf( "Starting the tuning process from object %d (out of %d).\n", p->nObjsPrev, Vec_PtrSize(&p->vObjs) );
     // clean the attributes