Program: 87261
Project: 87261
Buggy source:
@Override public void run(){
  DistributedLockService lockService=DistributedLockService.newHazelcastLockService(grid);
  try {
    ReadWriteLock lock1, lock2, lock3, lock4;
    lock1=lockService.getReentrantReadWriteLock(LOCK1);
    lock2=lockService.getReentrantReadWriteLock(LOCK2);
    lock3=lockService.getReentrantReadWriteLock(LOCK3);
    lock4=lockService.getReentrantReadWriteLock(LOCK4);
    if (crashProcess) {
      System.out.println("String_Node_Str");
      lock1.readLock().lock();
      lock2.readLock().lock();
      lock3.writeLock().lock();
      lock4.writeLock().lock();
      System.out.println("String_Node_Str");
      latch.countDown();
      System.out.println("String_Node_Str");
      System.out.println("String_Node_Str");
      latch.await(20000,TimeUnit.MILLISECONDS);
      System.out.println("String_Node_Str");
      throw new NullPointerException();
    }
 else {
      System.out.println("String_Node_Str");
      latch.countDown();
      System.out.println("String_Node_Str");
      latch.await(20000,TimeUnit.MILLISECONDS);
      lock1.readLock().lock();
      lock2.readLock().lock();
      lock3.readLock().lock();
      lock4.readLock().lock();
      System.out.println("String_Node_Str");
      lock1.readLock().unlock();
      lock2.readLock().unlock();
      lock3.readLock().unlock();
      lock4.readLock().unlock();
      System.out.println("String_Node_Str");
      System.exit(0);
    }
  }
 catch (  InterruptedException e) {
    Thread.currentThread().interrupt();
  }
}

Fixed version (ground truth):
@Override public void run(){
  DistributedLockService lockService=DistributedLockService.newHazelcastLockService(grid);
  try {
    ReadWriteLock lock1, lock2, lock3, lock4;
    lock1=lockService.getReentrantReadWriteLock(LOCK1);
    lock2=lockService.getReentrantReadWriteLock(LOCK2);
    lock3=lockService.getReentrantReadWriteLock(LOCK3);
    lock4=lockService.getReentrantReadWriteLock(LOCK4);
    if (crashProcess) {
      System.out.println("String_Node_Str");
      lock1.readLock().lock();
      lock2.readLock().lock();
      lock3.writeLock().lock();
      lock4.writeLock().lock();
      System.out.println("String_Node_Str");
      latch.countDown();
      System.out.println("String_Node_Str");
      System.out.println("String_Node_Str");
      latch.await(20000,TimeUnit.MILLISECONDS);
      System.out.println("String_Node_Str");
      System.exit(1);
    }
 else {
      System.out.println("String_Node_Str");
      latch.countDown();
      System.out.println("String_Node_Str");
      latch.await(20000,TimeUnit.MILLISECONDS);
      System.out.println("String_Node_Str");
      lock1.readLock().lock();
      lock2.readLock().lock();
      System.out.println("String_Node_Str");
      lock3.readLock().lock();
      lock4.writeLock().lock();
      System.out.println("String_Node_Str");
      lock1.readLock().unlock();
      lock2.readLock().unlock();
      lock3.readLock().unlock();
      lock4.writeLock().unlock();
      System.out.println("String_Node_Str");
      lockService.shutdown();
      grid.getLifecycleService().shutdown();
      System.exit(0);
    }
  }
 catch (  InterruptedException e) {
    Thread.currentThread().interrupt();
  }
}