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+/*********************                                                        */
+/*! \file unsat_core.h
+ ** \verbatim
+ ** Original author: Morgan Deters
+ ** Major contributors: none
+ ** Minor contributors (to current version): none
+ ** This file is part of the CVC4 project.
+ ** Copyright (c) 2009-2014  New York University and The University of Iowa
+ ** See the file COPYING in the top-level source directory for licensing
+ ** information.\endverbatim
+ **
+ ** \brief [[ Add one-line brief description here ]]
+ **
+ ** [[ Add lengthier description here ]]
+ ** \todo document this file
+ **/
+
+#include "cvc4_public.h"
+
+#ifndef __CVC4__UNSAT_CORE_H
+#define __CVC4__UNSAT_CORE_H
+
+#include <iostream>
+#include <vector>
+#include "expr/expr.h"
+
+namespace CVC4 {
+
+class SmtEngine;
+class UnsatCore;
+
+std::ostream& operator<<(std::ostream& out, const UnsatCore& core) CVC4_PUBLIC;
+
+class CVC4_PUBLIC UnsatCore {
+  friend std::ostream& operator<<(std::ostream&, const UnsatCore&);
+
+  /** The SmtEngine we're associated with */
+  SmtEngine* d_smt;
+
+  std::vector<Expr> d_core;
+
+  void initMessage() const;
+
+public:
+  UnsatCore() : d_smt(NULL) {}
+
+  template <class T>
+  UnsatCore(SmtEngine* smt, T begin, T end) : d_smt(smt), d_core(begin, end) {
+    initMessage();
+  }
+
+  ~UnsatCore() {}
+
+  /** get the smt engine that this unsat core is hooked up to */
+  SmtEngine* getSmtEngine() { return d_smt; }
+
+  size_t size() const { return d_core.size(); }
+
+  typedef std::vector<Expr>::const_iterator iterator;
+  typedef std::vector<Expr>::const_iterator const_iterator;
+
+  const_iterator begin() const;
+  const_iterator end() const;
+
+  void toStream(std::ostream& out) const;
+  void toStream(std::ostream& out, const std::map<Expr, std::string>& names) const;
+
+};/* class UnsatCore */
+
+}/* CVC4 namespace */
+
+#endif /* __CVC4__UNSAT_CORE_H */