Program: 40172
Project: 40172
Buggy source:
public void gameLoop(){
  GlobalGameState.countMoves++;
  UiState.getINSTANCE().setRoundsRemaining(GlobalGameState.movesRemaining());
  List<PlayerHandler> winner=getWinner();
  if (winner.size() > 0) {
    gameOver=true;
    return;
  }
  Map<PlayerHandler,PlayerChoice> playerStatus=this.playerController.getPlayerStatus();
  for (  PlayerHandler playerHandler : playerStatus.keySet()) {
    PlayerChoice playerChoice=playerStatus.get(playerHandler);
    validateEvents(playerHandler,playerChoice);
  }
  playerStatus.clear();
  List<PlayerHandler> deadPlayer=new ArrayList<PlayerHandler>();
  for (  PlayerHandler playerHandler : playerController.getPlayerHandlerList()) {
    List<RoundEvent> roundEvents=playerHandler.getRoundEvents();
    int collectedPoints=0;
    for (    RoundEvent roundEvent : roundEvents) {
switch (roundEvent) {
case DIED:
        deadPlayer.add(playerHandler);
      break;
case MOVED:
    playerHandler.moveToNextPosition();
  break;
case CONFUSED:
collectedPoints++;
break;
case COLLISION_WITH_LEVEL:
collectedPoints--;
break;
case BIT_HIMSELF:
collectedPoints--;
break;
case BIT_AGENT:
if (!playerHandler.isGhostMode()) {
collectedPoints++;
}
break;
case BIT_BY_PLAYER:
if (!playerHandler.isGhostMode()) {
collectedPoints--;
}
break;
case CONSUMED_POINT:
collectedPoints++;
break;
}
}
if (collectedPoints <= 0) {
playerHandler.penalty();
if (collectedPoints <= -1) {
playerHandler.penalty();
}
}
}
for (PlayerHandler dead : deadPlayer) {
playerController.getPlayerHandlerList().remove(dead);
UiState.getINSTANCE().rip(dead.getPlayerName());
}
level.spreadPoints();
for (PlayerHandler playerHandler : playerController.getPlayerHandlerList()) {
updateRoundForPlayer(playerHandler);
this.playerController.updatePlayerState(new GlobalGameState());
}
for (PlayerHandler playerHandler : playerController.getPlayerHandlerList()) {
playerHandler.endround();
}
}

Fixed version (ground truth):
public void gameLoop(){
  GlobalGameState.countMoves++;
  UiState.getINSTANCE().setRoundsRemaining(GlobalGameState.movesRemaining());
  List<PlayerHandler> winner=getWinner();
  if (winner.size() > 0) {
    gameOver=true;
    return;
  }
  Map<PlayerHandler,PlayerChoice> playerStatus=this.playerController.getPlayerStatus();
  for (  PlayerHandler playerHandler : playerStatus.keySet()) {
    PlayerChoice playerChoice=playerStatus.get(playerHandler);
    validateEvents(playerHandler,playerChoice);
  }
  playerStatus.clear();
  List<PlayerHandler> deadPlayer=new ArrayList<PlayerHandler>();
  for (  PlayerHandler playerHandler : playerController.getPlayerHandlerList()) {
    List<RoundEvent> roundEvents=playerHandler.getRoundEvents();
    int collectedPoints=0;
    for (    RoundEvent roundEvent : roundEvents) {
switch (roundEvent) {
case DIED:
        deadPlayer.add(playerHandler);
      break;
case MOVED:
    playerHandler.moveToNextPosition();
  break;
case CONFUSED:
collectedPoints++;
break;
case COLLISION_WITH_LEVEL:
collectedPoints--;
break;
case BIT_HIMSELF:
collectedPoints--;
break;
case BIT_AGENT:
if (!playerHandler.isGhostMode()) {
collectedPoints++;
}
break;
case BIT_BY_PLAYER:
if (!playerHandler.isGhostMode()) {
collectedPoints--;
}
break;
case CONSUMED_POINT:
collectedPoints++;
break;
}
}
if (collectedPoints <= 0) {
playerHandler.penalty();
if (collectedPoints <= -1) {
playerHandler.penalty();
}
}
}
for (PlayerHandler dead : deadPlayer) {
playerController.getPlayerHandlerList().remove(dead);
UiState.getINSTANCE().rip(dead.getPlayerName());
}
level.spreadPoints();
for (PlayerHandler playerHandler : playerController.getPlayerHandlerList()) {
updateRoundForPlayer(playerHandler);
this.playerController.updatePlayerState(new GlobalGameState());
}
for (PlayerHandler playerHandler : playerController.getPlayerHandlerList()) {
playerHandler.endRound();
}
}