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+/*********************                                                        */
+/*! \file proof_manager.h
+ ** \verbatim
+ ** Original author: lianah
+ ** Major contributors: none
+ ** This file is part of the CVC4 prototype.
+ ** Copyright (c) 2009, 2010, 2011  The Analysis of Computer Systems Group (ACSys)
+ ** Courant Institute of Mathematical Sciences
+ ** New York University
+ ** See the file COPYING in the top-level source directory for licensing
+ ** information.\endverbatim
+ **
+ ** \brief A manager for Proofs.
+ **
+ ** A manager for Proofs.
+ **
+ ** 
+ **/
+
+#ifndef __CVC4__PROOF_MANAGER_H
+#define __CVC4__PROOF_MANAGER_H
+
+#include <iostream> 
+#include "proof.h"
+
+// forward declarations
+namespace Minisat {
+class Solver;
+}
+
+namespace CVC4 {
+namespace prop {
+class CnfStream;
+}
+class SatProof;
+class CnfProof;
+
+// different proof modes
+enum ProofFormat {
+  LFSC,
+  NATIVE
+};
+
+class ProofManager {
+  SatProof*   d_satProof;
+  CnfProof*   d_cnfProof;
+  ProofFormat d_format;
+  
+  static ProofManager* proofManager; 
+  static bool isInitialized; 
+  ProofManager(ProofFormat format);
+public:
+  static ProofManager* currentPM();
+
+  static void      initSatProof(Minisat::Solver* solver); 
+  static void      initCnfProof(CVC4::prop::CnfStream* cnfStream);
+
+  static SatProof* getSatProof();
+  static CnfProof* getCnfProof();
+
+};
+
+} /* CVC4 namespace*/ 
+#endif /* __CVC4__PROOF_MANAGER_H */