C++ (Cpp) CegInstantiator::registerCounterexampleLemma Examples

Example #1

File: inst_strategy_cbqi.cpp Project: kyledewey/CVC4

void InstStrategyCegqi::registerCounterexampleLemma( Node q, Node lem ) {
  //must register with the instantiator
  //must explicitly remove ITEs so that we record dependencies
  std::vector< Node > ce_vars;
  for( unsigned i=0; i<d_quantEngine->getTermDatabase()->getNumInstantiationConstants( q ); i++ ){
    ce_vars.push_back( d_quantEngine->getTermDatabase()->getInstantiationConstant( q, i ) );
  }
  std::vector< Node > lems;
  lems.push_back( lem );
  CegInstantiator * cinst = getInstantiator( q );
  cinst->registerCounterexampleLemma( lems, ce_vars );
  for( unsigned i=0; i<lems.size(); i++ ){
    Trace("cbqi-debug") << "Counterexample lemma " << i << " : " << lems[i] << std::endl;
    d_quantEngine->addLemma( lems[i], false );
  }
}