LCOV - code coverage report
Current view: top level - buildbot/coverage/build/src/proof - unsat_core.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 2 2 100.0 %
Date: 2026-01-19 13:01:48 Functions: 2 2 100.0 %
Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /******************************************************************************
       2                 :            :  * Top contributors (to current version):
       3                 :            :  *   Andrew Reynolds, Morgan Deters, Aina Niemetz
       4                 :            :  *
       5                 :            :  * This file is part of the cvc5 project.
       6                 :            :  *
       7                 :            :  * Copyright (c) 2009-2025 by the authors listed in the file AUTHORS
       8                 :            :  * in the top-level source directory and their institutional affiliations.
       9                 :            :  * All rights reserved.  See the file COPYING in the top-level source
      10                 :            :  * directory for licensing information.
      11                 :            :  * ****************************************************************************
      12                 :            :  *
      13                 :            :  * Representation of unsat cores.
      14                 :            :  */
      15                 :            : 
      16                 :            : #include "cvc5_private.h"
      17                 :            : 
      18                 :            : #ifndef CVC5__UNSAT_CORE_H
      19                 :            : #define CVC5__UNSAT_CORE_H
      20                 :            : 
      21                 :            : #include <cvc5/cvc5_export.h>
      22                 :            : 
      23                 :            : #include <iosfwd>
      24                 :            : #include <string>
      25                 :            : #include <vector>
      26                 :            : 
      27                 :            : #include "expr/node.h"
      28                 :            : 
      29                 :            : namespace cvc5::internal {
      30                 :            : 
      31                 :            : /**
      32                 :            :  * An unsat core, which can optionally be initialized as a list of names
      33                 :            :  * or as a list of formulas.
      34                 :            :  */
      35                 :            : class CVC5_EXPORT UnsatCore
      36                 :            : {
      37                 :            :  public:
      38                 :            :   UnsatCore() {}
      39                 :            :   /** Initialize using assertions */
      40                 :            :   UnsatCore(const std::vector<Node>& core);
      41                 :            :   /** Initialize using assertion names */
      42                 :            :   UnsatCore(std::vector<std::string>& names);
      43                 :       4415 :   ~UnsatCore() {}
      44                 :            : 
      45                 :            :   /** Whether we are using names for this unsat core */
      46                 :         42 :   bool useNames() const { return d_useNames; }
      47                 :            :   /** Get the assertions in the unsat core */
      48                 :            :   const std::vector<Node>& getCore() const;
      49                 :            :   /** Get their names */
      50                 :            :   const std::vector<std::string>& getCoreNames() const;
      51                 :            : 
      52                 :            :   typedef std::vector<Node>::const_iterator iterator;
      53                 :            :   typedef std::vector<Node>::const_iterator const_iterator;
      54                 :            : 
      55                 :            :   const_iterator begin() const;
      56                 :            :   const_iterator end() const;
      57                 :            : 
      58                 :            :   /**
      59                 :            :    * prints this UnsatCore object to the stream out.
      60                 :            :    */
      61                 :            :   void toStream(std::ostream& out) const;
      62                 :            : 
      63                 :            :  private:
      64                 :            :   /** Whether we are using names for this unsat core */
      65                 :            :   bool d_useNames;
      66                 :            :   /** The unsat core */
      67                 :            :   std::vector<Node> d_core;
      68                 :            :   /** The names of assertions in the above core */
      69                 :            :   std::vector<std::string> d_names;
      70                 :            : };/* class UnsatCore */
      71                 :            : 
      72                 :            : /** Print the unsat core to stream out */
      73                 :            : std::ostream& operator<<(std::ostream& out, const UnsatCore& core);
      74                 :            : 
      75                 :            : }  // namespace cvc5::internal
      76                 :            : 
      77                 :            : #endif /* CVC5__UNSAT_CORE_H */

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