LCOV - code coverage report
Current view: top level - buildbot/coverage/build/src/proof - proof_generator.cpp (source / functions) Hit Total Coverage
Test: coverage.info Lines: 11 25 44.0 %
Date: 2025-02-17 13:53:58 Functions: 3 6 50.0 %
Branches: 7 24 29.2 %

           Branch data     Line data    Source code
       1                 :            : /******************************************************************************
       2                 :            :  * Top contributors (to current version):
       3                 :            :  *   Andrew Reynolds
       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                 :            :  * Implementation of proof generator utility.
      14                 :            :  */
      15                 :            : 
      16                 :            : #include "proof/proof_generator.h"
      17                 :            : 
      18                 :            : #include <sstream>
      19                 :            : 
      20                 :            : #include "options/smt_options.h"
      21                 :            : #include "proof/proof.h"
      22                 :            : #include "proof/proof_node.h"
      23                 :            : #include "proof/proof_node_algorithm.h"
      24                 :            : 
      25                 :            : namespace cvc5::internal {
      26                 :            : 
      27                 :          0 : std::ostream& operator<<(std::ostream& out, CDPOverwrite opol)
      28                 :            : {
      29 [ -  - ][ -  - ]:          0 :   switch (opol)
      30                 :            :   {
      31                 :          0 :     case CDPOverwrite::ALWAYS: out << "ALWAYS"; break;
      32                 :          0 :     case CDPOverwrite::ASSUME_ONLY: out << "ASSUME_ONLY"; break;
      33                 :          0 :     case CDPOverwrite::NEVER: out << "NEVER"; break;
      34                 :          0 :     default: out << "CDPOverwrite:unknown"; break;
      35                 :            :   }
      36                 :          0 :   return out;
      37                 :            : }
      38                 :            : 
      39                 :   10082900 : ProofGenerator::ProofGenerator() {}
      40                 :            : 
      41                 :   10078000 : ProofGenerator::~ProofGenerator() {}
      42                 :            : 
      43                 :          0 : std::shared_ptr<ProofNode> ProofGenerator::getProofFor(Node f)
      44                 :            : {
      45                 :          0 :   Unreachable() << "ProofGenerator::getProofFor: " << identify()
      46                 :          0 :                 << " has no implementation" << std::endl;
      47                 :            :   return nullptr;
      48                 :            : }
      49                 :            : 
      50                 :       8781 : bool ProofGenerator::addProofTo(Node f,
      51                 :            :                                 CDProof* pf,
      52                 :            :                                 CDPOverwrite opolicy,
      53                 :            :                                 bool doCopy)
      54                 :            : {
      55         [ +  - ]:       8781 :   Trace("pfgen") << "ProofGenerator::addProofTo: " << f << "..." << std::endl;
      56 [ -  + ][ -  + ]:       8781 :   Assert(pf != nullptr);
                 [ -  - ]
      57                 :            :   // plug in the proof provided by the generator, if it exists
      58                 :      17562 :   std::shared_ptr<ProofNode> apf = getProofFor(f);
      59         [ +  - ]:       8781 :   if (apf != nullptr)
      60                 :            :   {
      61         [ +  - ]:       8781 :     Trace("pfgen") << "...got proof " << *apf.get() << std::endl;
      62         [ +  - ]:       8781 :     if (pf->addProof(apf, opolicy, doCopy))
      63                 :            :     {
      64         [ +  - ]:       8781 :       Trace("pfgen") << "...success!" << std::endl;
      65                 :       8781 :       return true;
      66                 :            :     }
      67         [ -  - ]:          0 :     Trace("pfgen") << "...failed to add proof" << std::endl;
      68                 :            :   }
      69                 :            :   else
      70                 :            :   {
      71         [ -  - ]:          0 :     Trace("pfgen") << "...failed, no proof" << std::endl;
      72                 :          0 :     Assert(false) << "Failed to get proof from generator for fact " << f;
      73                 :            :   }
      74                 :          0 :   return false;
      75                 :            : }
      76                 :            : 
      77                 :            : }  // namespace cvc5::internal

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