Program: 56678
Project: 56678
Buggy source:
/** 
 * Checks if the old partition is separated by removing the given position and if so, it lets divided the partition in new partitions.
 * @param position position that has been removed
 * @param oldPartition old partition of the removed position
 */
private void removeFromOldPartition(final short x,final short y,final short oldPartition){
  ISPosition2D[] disconnected=new ISPosition2D[3];
  byte disconnectedCtr=0;
  boolean lastWasOldPartition=false;
  for (  EDirection dir : EDirection.values()) {
    ISPosition2D currPos=dir.getNextHexPoint(x,y);
    if (!map.isInBounds(currPos.getX(),currPos.getY())) {
      continue;
    }
    short currPartition=map.getPartition(currPos);
    if (lastWasOldPartition) {
      if (currPartition == oldPartition) {
      }
 else {
        lastWasOldPartition=false;
      }
    }
 else {
      if (currPartition == oldPartition) {
        lastWasOldPartition=true;
        disconnected[disconnectedCtr]=currPos;
        disconnectedCtr++;
      }
    }
  }
  ISPosition2D lastPosition=EDirection.values()[5].getNextHexPoint(x,y);
  if (map.getPartition(lastPosition) == oldPartition) {
    disconnectedCtr--;
  }
  if (disconnectedCtr > 1) {
    byte oldPlayer=map.getPlayerAt(disconnected[0]);
    if (!existsPathBetween(disconnected[1],disconnected[0],oldPlayer)) {
      map.dividePartition(x,y,disconnected[1],disconnected[0]);
      if (disconnectedCtr == 3) {
        if (!existsPathBetween(disconnected[2],disconnected[1],oldPlayer)) {
          map.dividePartition(x,y,disconnected[2],disconnected[1]);
          if (existsPathBetween(disconnected[2],disconnected[0],oldPlayer)) {
            map.dividePartition(x,y,disconnected[2],disconnected[0]);
          }
 else {
          }
        }
 else {
        }
      }
 else {
      }
    }
 else {
      if (disconnectedCtr == 3) {
        if (!existsPathBetween(disconnected[2],disconnected[1],oldPlayer)) {
          map.dividePartition(x,y,disconnected[2],disconnected[1]);
        }
 else {
        }
      }
 else {
      }
    }
  }
 else {
  }
}

Fixed version (ground truth):
/** 
 * Checks if the old partition is separated by removing the given position and if so, it lets divided the partition in new partitions.
 * @param position position that has been removed
 * @param oldPartition old partition of the removed position
 */
private void removeFromOldPartition(final short x,final short y,final short oldPartition){
  ISPosition2D[] disconnected=new ISPosition2D[3];
  byte disconnectedCtr=0;
  boolean lastWasOldPartition=false;
  for (  EDirection dir : EDirection.values()) {
    ISPosition2D currPos=dir.getNextHexPoint(x,y);
    if (!grid.isInBounds(currPos.getX(),currPos.getY())) {
      continue;
    }
    short currPartition=grid.getPartition(currPos);
    if (lastWasOldPartition) {
      if (currPartition == oldPartition) {
      }
 else {
        lastWasOldPartition=false;
      }
    }
 else {
      if (currPartition == oldPartition && !grid.isBlockedForPeople(x,y)) {
        lastWasOldPartition=true;
        disconnected[disconnectedCtr]=currPos;
        disconnectedCtr++;
      }
    }
  }
  ISPosition2D lastPosition=EDirection.values()[5].getNextHexPoint(x,y);
  if (grid.getPartition(lastPosition) == oldPartition) {
    disconnectedCtr--;
  }
  if (disconnectedCtr > 1) {
    byte oldPlayer=grid.getPlayerAt(disconnected[0]);
    if (!existsPathBetween(disconnected[1],disconnected[0],oldPlayer)) {
      grid.dividePartition(x,y,disconnected[1],disconnected[0]);
      if (disconnectedCtr == 3) {
        if (!existsPathBetween(disconnected[2],disconnected[1],oldPlayer)) {
          grid.dividePartition(x,y,disconnected[2],disconnected[1]);
          if (existsPathBetween(disconnected[2],disconnected[0],oldPlayer)) {
            grid.dividePartition(x,y,disconnected[2],disconnected[0]);
          }
 else {
          }
        }
 else {
        }
      }
 else {
      }
    }
 else {
      if (disconnectedCtr == 3) {
        if (!existsPathBetween(disconnected[2],disconnected[1],oldPlayer)) {
          grid.dividePartition(x,y,disconnected[2],disconnected[1]);
        }
 else {
        }
      }
 else {
      }
    }
  }
 else {
  }
}