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diff --git a/src/proof/bbr/bbr.h b/src/proof/bbr/bbr.h
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+/**CFile****************************************************************
+
+  FileName    [bbr.h]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [BDD-based reachability analysis.]
+
+  Synopsis    [External declarations.]
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - June 20, 2005.]
+
+  Revision    [$Id: bbr.h,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+ 
+#ifndef ABC__aig__bbr__bbr_h
+#define ABC__aig__bbr__bbr_h
+
+
+////////////////////////////////////////////////////////////////////////
+///                          INCLUDES                                ///
+////////////////////////////////////////////////////////////////////////
+
+#include <stdio.h>
+#include "src/aig/aig/aig.h"
+#include "src/aig/saig/saig.h"
+#include "src/bdd/cudd/cuddInt.h"
+
+////////////////////////////////////////////////////////////////////////
+///                         PARAMETERS                               ///
+////////////////////////////////////////////////////////////////////////
+
+
+
+ABC_NAMESPACE_HEADER_START
+
+
+////////////////////////////////////////////////////////////////////////
+///                         BASIC TYPES                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                      MACRO DEFINITIONS                           ///
+////////////////////////////////////////////////////////////////////////
+
+static inline DdNode * Aig_ObjGlobalBdd( Aig_Obj_t * pObj )  { return (DdNode *)pObj->pData; }
+
+////////////////////////////////////////////////////////////////////////
+///                    FUNCTION DECLARATIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/*=== bbrImage.c ==========================================================*/
+typedef struct Bbr_ImageTree_t_  Bbr_ImageTree_t;
+extern Bbr_ImageTree_t * Bbr_bddImageStart( 
+    DdManager * dd, DdNode * bCare,
+    int nParts, DdNode ** pbParts,
+    int nVars, DdNode ** pbVars, int nBddMax, int fVerbose );
+extern DdNode *    Bbr_bddImageCompute( Bbr_ImageTree_t * pTree, DdNode * bCare );
+extern void        Bbr_bddImageTreeDelete( Bbr_ImageTree_t * pTree );
+extern DdNode *    Bbr_bddImageRead( Bbr_ImageTree_t * pTree );
+typedef struct Bbr_ImageTree2_t_  Bbr_ImageTree2_t;
+extern Bbr_ImageTree2_t * Bbr_bddImageStart2( 
+    DdManager * dd, DdNode * bCare,
+    int nParts, DdNode ** pbParts,
+    int nVars, DdNode ** pbVars, int fVerbose );
+extern DdNode *    Bbr_bddImageCompute2( Bbr_ImageTree2_t * pTree, DdNode * bCare );
+extern void        Bbr_bddImageTreeDelete2( Bbr_ImageTree2_t * pTree );
+extern DdNode *    Bbr_bddImageRead2( Bbr_ImageTree2_t * pTree );
+/*=== bbrNtbdd.c ==========================================================*/
+extern void        Aig_ManFreeGlobalBdds( Aig_Man_t * p, DdManager * dd );
+extern int         Aig_ManSizeOfGlobalBdds( Aig_Man_t * p );
+extern DdManager * Aig_ManComputeGlobalBdds( Aig_Man_t * p, int nBddSizeMax, int fDropInternal, int fReorder, int fVerbose );
+/*=== bbrReach.c ==========================================================*/
+extern int         Aig_ManVerifyUsingBdds( Aig_Man_t * p, Saig_ParBbr_t * pPars );
+extern void        Bbr_ManSetDefaultParams( Saig_ParBbr_t * p );
+
+
+
+ABC_NAMESPACE_HEADER_END
+
+
+
+#endif
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+