Program: 158201
Project: 158201
Buggy source:
/** 
 * Sets a possible target player
 */
private boolean setTargetPlayer(Outcome outcome,Target target,Ability source,UUID sourceId,UUID abilityControllerId,UUID randomOpponentId,Game game){
  if (target instanceof TargetOpponent) {
    if (source == null) {
      if (((TargetOpponent)target).canTarget(randomOpponentId,game)) {
        target.add(randomOpponentId,game);
        return true;
      }
    }
 else     if (((TargetOpponent)target).canTarget(randomOpponentId,source,game)) {
      target.add(randomOpponentId,game);
      return true;
    }
    for (    UUID currentId : game.getOpponents(abilityControllerId)) {
      if (source == null) {
        if (((TargetOpponent)target).canTarget(currentId,game)) {
          target.add(currentId,game);
          return true;
        }
      }
 else       if (((TargetOpponent)target).canTarget(currentId,source,game)) {
        target.add(currentId,game);
        return true;
      }
    }
    return false;
  }
  if (target instanceof TargetPlayer) {
    if (outcome.isGood()) {
      if (source == null) {
        if (target.canTarget(abilityControllerId,game)) {
          target.add(abilityControllerId,game);
          return true;
        }
        if (target.isRequired(sourceId,game)) {
          if (target.canTarget(randomOpponentId,game)) {
            target.add(randomOpponentId,game);
            return true;
          }
        }
      }
 else {
        if (target.canTarget(abilityControllerId,abilityControllerId,source,game)) {
          target.addTarget(playerId,source,game);
          return true;
        }
        if (target.isRequired(sourceId,game)) {
          if (target.canTarget(randomOpponentId,game)) {
            target.add(randomOpponentId,game);
            return true;
          }
        }
      }
    }
 else     if (source == null) {
      if (target.canTarget(randomOpponentId,game)) {
        target.add(randomOpponentId,game);
        return true;
      }
      if (target.isRequired(sourceId,game)) {
        if (target.canTarget(abilityControllerId,game)) {
          target.add(abilityControllerId,game);
          return true;
        }
      }
    }
 else {
      if (target.canTarget(randomOpponentId,game)) {
        target.add(randomOpponentId,game);
        return true;
      }
      if (target.isRequired(sourceId,game)) {
        if (target.canTarget(abilityControllerId,game)) {
          target.add(abilityControllerId,game);
          return true;
        }
      }
    }
    return false;
  }
  return false;
}

Fixed version (ground truth):
/** 
 * Sets a possible target player
 */
private boolean setTargetPlayer(Outcome outcome,Target target,Ability source,UUID sourceId,UUID abilityControllerId,UUID randomOpponentId,Game game){
  if (target.getOriginalTarget() instanceof TargetOpponent) {
    if (source == null) {
      if (((TargetOpponent)target).canTarget(randomOpponentId,game)) {
        target.add(randomOpponentId,game);
        return true;
      }
    }
 else     if (((TargetOpponent)target).canTarget(randomOpponentId,source,game)) {
      target.add(randomOpponentId,game);
      return true;
    }
    for (    UUID currentId : game.getOpponents(abilityControllerId)) {
      if (source == null) {
        if (((TargetOpponent)target).canTarget(currentId,game)) {
          target.add(currentId,game);
          return true;
        }
      }
 else       if (((TargetOpponent)target).canTarget(currentId,source,game)) {
        target.add(currentId,game);
        return true;
      }
    }
    return false;
  }
  if (target.getOriginalTarget() instanceof TargetPlayer) {
    if (outcome.isGood()) {
      if (source == null) {
        if (target.canTarget(abilityControllerId,game)) {
          target.add(abilityControllerId,game);
          return true;
        }
        if (target.isRequired(sourceId,game)) {
          if (target.canTarget(randomOpponentId,game)) {
            target.add(randomOpponentId,game);
            return true;
          }
        }
      }
 else {
        if (target.canTarget(abilityControllerId,abilityControllerId,source,game)) {
          target.addTarget(playerId,source,game);
          return true;
        }
        if (target.isRequired(sourceId,game)) {
          if (target.canTarget(randomOpponentId,game)) {
            target.add(randomOpponentId,game);
            return true;
          }
        }
      }
    }
 else     if (source == null) {
      if (target.canTarget(randomOpponentId,game)) {
        target.add(randomOpponentId,game);
        return true;
      }
      if (target.isRequired(sourceId,game)) {
        if (target.canTarget(abilityControllerId,game)) {
          target.add(abilityControllerId,game);
          return true;
        }
      }
    }
 else {
      if (target.canTarget(randomOpponentId,game)) {
        target.add(randomOpponentId,game);
        return true;
      }
      if (target.isRequired(sourceId,game)) {
        if (target.canTarget(abilityControllerId,game)) {
          target.add(abilityControllerId,game);
          return true;
        }
      }
    }
    return false;
  }
  return false;
}