Program: 173472
Project: 173472
Buggy source:
public boolean modifyCalculator(RevenueAdapter revenueAdapter){
  Phase phase=revenueAdapter.getPhase();
  int bonusValue;
  if (phase.isTileColourAllowed(Tile.GREY_COLOUR_NAME)) {
    bonusValue=30;
  }
 else   if (phase.isTileColourAllowed(Tile.BROWN_COLOUR_NAME)) {
    bonusValue=20;
  }
 else   if (phase.isTileColourAllowed(Tile.GREEN_COLOUR_NAME)) {
    bonusValue=10;
  }
 else {
    return false;
  }
  log.info("String_Node_Str" + bonusValue);
  Set<NetworkVertex> offBoard=new HashSet<NetworkVertex>();
  for (  NetworkVertex vertex : revenueAdapter.getVertices()) {
    if (vertex.isStation() && vertex.getStation().getType().equals(Station.OFF_MAP_AREA)) {
      offBoard.add(vertex);
    }
  }
  NetworkVertex hamburgCity=NetworkVertex.getVertexByIdentifier(revenueAdapter.getVertices(),"String_Node_Str");
  if (hamburgCity != null) {
    NetworkVertex hamburgTerminal=NetworkVertex.duplicateVertex(revenueAdapter.getGraph(),hamburgCity,"String_Node_Str",true);
    hamburgTerminal.setSink(true);
    offBoard.add(hamburgTerminal);
    VertexVisit hamburgSet=revenueAdapter.new VertexVisit();
    hamburgSet.set.add(hamburgCity);
    hamburgSet.set.add(hamburgTerminal);
    revenueAdapter.addVertexVisitSet(hamburgSet);
  }
  log.info("String_Node_Str" + offBoard);
  Set<NetworkVertex> bases=revenueAdapter.getStartVertices();
  Set<NetworkVertex> destOffBoard=new HashSet<NetworkVertex>(offBoard);
  for (  NetworkVertex offA : offBoard) {
    destOffBoard.remove(offA);
    for (    NetworkVertex offB : destOffBoard) {
      for (      NetworkVertex base : bases) {
        RevenueBonus bonus=new RevenueBonus(bonusValue,"String_Node_Str");
        bonus.addVertex(offA);
        bonus.addVertex(offB);
        bonus.addVertex(base);
        revenueAdapter.addRevenueBonus(bonus);
      }
    }
  }
  return false;
}

Fixed version (ground truth):
public boolean modifyCalculator(RevenueAdapter revenueAdapter){
  Phase phase=revenueAdapter.getPhase();
  int bonusValue;
  if (phase.isTileColourAllowed(Tile.GREY_COLOUR_NAME)) {
    bonusValue=30;
  }
 else   if (phase.isTileColourAllowed(Tile.BROWN_COLOUR_NAME)) {
    bonusValue=20;
  }
 else   if (phase.isTileColourAllowed(Tile.GREEN_COLOUR_NAME)) {
    bonusValue=10;
  }
 else {
    return false;
  }
  log.info("String_Node_Str" + bonusValue);
  Set<NetworkVertex> offBoard=new HashSet<NetworkVertex>();
  for (  NetworkVertex vertex : revenueAdapter.getVertices()) {
    if (vertex.isStation() && vertex.getStation().getType().equals(Station.OFF_MAP_AREA)) {
      offBoard.add(vertex);
    }
  }
  NetworkVertex hamburgCity=NetworkVertex.getVertexByIdentifier(revenueAdapter.getVertices(),"String_Node_Str");
  if (hamburgCity != null) {
    NetworkVertex hamburgTerminal=NetworkVertex.duplicateVertex(revenueAdapter.getGraph(),hamburgCity,"String_Node_Str",true);
    hamburgTerminal.setSink(true);
    offBoard.add(hamburgTerminal);
    offBoard.remove(hamburgCity);
    VertexVisit hamburgSet=revenueAdapter.new VertexVisit();
    hamburgSet.set.add(hamburgCity);
    hamburgSet.set.add(hamburgTerminal);
    revenueAdapter.addVertexVisitSet(hamburgSet);
  }
  log.info("String_Node_Str" + offBoard);
  Set<NetworkVertex> bases=revenueAdapter.getStartVertices();
  Set<NetworkVertex> destOffBoard=new HashSet<NetworkVertex>(offBoard);
  for (  NetworkVertex offA : offBoard) {
    destOffBoard.remove(offA);
    for (    NetworkVertex offB : destOffBoard) {
      for (      NetworkVertex base : bases) {
        RevenueBonus bonus=new RevenueBonus(bonusValue,"String_Node_Str");
        bonus.addVertex(offA);
        bonus.addVertex(offB);
        bonus.addVertex(base);
        revenueAdapter.addRevenueBonus(bonus);
      }
    }
  }
  return false;
}