Minimizing memory usage. The implementation was using twice as much memory as necessary.

src/opt/fxch/FxchSCHashTable.c

@@ -96,7 +96,7 @@ Fxch_SCHashTable_t* Fxch_SCHashTableCreate( Fxch_Man_t* pFxchMan,
                                             int nEntries )
 {
     Fxch_SCHashTable_t* pSCHashTable = ABC_CALLOC( Fxch_SCHashTable_t, 1 );
-    int nBits = Abc_Base2Log( nEntries + 1 ) + 1;
+    int nBits = Abc_Base2Log( nEntries + 1 );
 
 
     pSCHashTable->pFxchMan = pFxchMan;