Program: 49998
Project: 49998
Buggy source:
private void checkInitialization(Object proxy){
  if (proxy instanceof MProxy) {
    MProxy mProxy=(MProxy)proxy;
    CMap cmap=node.concurrentMapManager.getMap(mProxy.getLongName());
    if (!cmap.isMapForQueue() && !cmap.initialized) {
synchronized (cmap.getInitLock()) {
        if (!cmap.initialized) {
          if (cmap.loader != null) {
            if (getAtomicNumber(name).compareAndSet(0,1)) {
              ExecutorService es=getExecutorService();
              MultiTask task=new MultiTask(new InitializeMap(mProxy.getName()),getCluster().getMembers());
              es.execute(task);
            }
            Set keys=cmap.loader.loadAllKeys();
            if (keys != null) {
              int count=0;
              PartitionService partitionService=getPartitionService();
              Set ownedKeys=new HashSet();
              for (              Object key : keys) {
                if (partitionService.getPartition(key).getOwner().localMember()) {
                  ownedKeys.add(key);
                  count++;
                  if (ownedKeys.size() >= node.groupProperties.MAP_LOAD_CHUNK_SIZE.getInteger()) {
                    loadKeys(mProxy,cmap,ownedKeys);
                    ownedKeys.clear();
                  }
                }
              }
              loadKeys(mProxy,cmap,ownedKeys);
              logger.log(Level.INFO,node.address + "String_Node_Str" + mProxy.getName()+ "String_Node_Str"+ count);
            }
          }
        }
        cmap.initialized=true;
      }
    }
  }
}

Fixed version (ground truth):
private void checkInitialization(Object proxy){
  if (proxy instanceof MProxy) {
    MProxy mProxy=(MProxy)proxy;
    CMap cmap=node.concurrentMapManager.getMap(mProxy.getLongName());
    if (!cmap.isMapForQueue() && !cmap.initialized) {
synchronized (cmap.getInitLock()) {
        if (!cmap.initialized) {
          if (cmap.loader != null) {
            try {
              if (getAtomicNumber(name).compareAndSet(0,1)) {
                ExecutorService es=getExecutorService();
                MultiTask task=new MultiTask(new InitializeMap(mProxy.getName()),getCluster().getMembers());
                es.execute(task);
              }
              Set keys=cmap.loader.loadAllKeys();
              if (keys != null) {
                int count=0;
                PartitionService partitionService=getPartitionService();
                Set ownedKeys=new HashSet();
                for (                Object key : keys) {
                  if (partitionService.getPartition(key).getOwner().localMember()) {
                    ownedKeys.add(key);
                    count++;
                    if (ownedKeys.size() >= node.groupProperties.MAP_LOAD_CHUNK_SIZE.getInteger()) {
                      loadKeys(mProxy,cmap,ownedKeys);
                      ownedKeys.clear();
                    }
                  }
                }
                loadKeys(mProxy,cmap,ownedKeys);
                logger.log(Level.INFO,node.address + "String_Node_Str" + mProxy.getName()+ "String_Node_Str"+ count);
              }
            }
 catch (            Throwable e) {
              logger.log(Level.SEVERE,e.getMessage(),e);
            }
          }
        }
        cmap.initialized=true;
      }
    }
  }
}