Program: 116322
Project: 116322
Buggy source:
@Override public String attachVolume(String instanceId,String volumeId,String deviceName){
  IaasProvider iaasInfo=getIaasProvider();
  ComputeServiceContext context=iaasInfo.getComputeService().getContext();
  CloudStackApi cloudStackApi=context.unwrapApi(CloudStackApi.class);
  org.jclouds.cloudstack.domain.Volume volume=cloudStackApi.getVolumeApi().getVolume(volumeId);
  Volume.State volumeState=volume.getState();
  if (log.isDebugEnabled()) {
    log.debug("String_Node_Str" + volumeId + "String_Node_Str"+ volumeState);
  }
  if (!(volumeState == Volume.State.ALLOCATED || volumeState == Volume.State.CREATING || volumeState == Volume.State.READY)) {
    log.error(String.format("String_Node_Str",volumeId,volumeState));
  }
  if (!volume.getAccount().equals(cloudStackApi.getVirtualMachineApi().getVirtualMachine(instanceId).getAccount())) {
    log.error(String.format("String_Node_Str" + "String_Node_Str",volumeId));
  }
  boolean volumeBecameAvailable=false, volumeBecameAttached=false;
  try {
    if (volumeState == Volume.State.CREATING) {
      volumeBecameAvailable=waitForStatus(volumeId,Volume.State.ALLOCATED,5);
    }
 else     if (volumeState == Volume.State.READY) {
      volumeBecameAvailable=true;
    }
  }
 catch (  TimeoutException e) {
    log.error("String_Node_Str" + volumeId + "String_Node_Str");
  }
  if (volumeBecameAvailable) {
    cloudStackApi.getVolumeApi().attachVolume(volumeId,instanceId);
    try {
      volumeBecameAttached=waitForStatus(volumeId,Volume.State.READY,2);
    }
 catch (    TimeoutException e) {
      log.error("String_Node_Str" + volumeId + "String_Node_Str");
    }
  }
  try {
    Thread.sleep(5000);
  }
 catch (  InterruptedException e) {
    e.printStackTrace();
  }
  if (!volumeBecameAttached) {
    log.error(String.format("String_Node_Str",volumeId));
  }
  log.info(String.format("String_Node_Str" + "String_Node_Str",volumeId,instanceId,iaasInfo));
  return "String_Node_Str";
}

Fixed version (ground truth):
@Override public String attachVolume(String instanceId,String volumeId,String deviceName){
  IaasProvider iaasInfo=getIaasProvider();
  ComputeServiceContext context=iaasInfo.getComputeService().getContext();
  CloudStackApi cloudStackApi=context.unwrapApi(CloudStackApi.class);
  org.jclouds.cloudstack.domain.Volume volume=cloudStackApi.getVolumeApi().getVolume(volumeId);
  Volume.State volumeState=volume.getState();
  if (log.isDebugEnabled()) {
    log.debug("String_Node_Str" + volumeId + "String_Node_Str"+ volumeState);
  }
  if (!(volumeState == Volume.State.ALLOCATED || volumeState == Volume.State.CREATING || volumeState == Volume.State.READY)) {
    log.error(String.format("String_Node_Str",volumeId,volumeState));
  }
  if (!volume.getAccount().equals(cloudStackApi.getVirtualMachineApi().getVirtualMachine(instanceId).getAccount())) {
    log.error(String.format("String_Node_Str" + "String_Node_Str",volumeId));
  }
  boolean volumeBecameAvailable=false, volumeBecameAttached=false;
  try {
    if (volumeState == Volume.State.CREATING) {
      volumeBecameAvailable=waitForStatus(volumeId,Volume.State.ALLOCATED,5);
    }
 else     if (volumeState == Volume.State.READY) {
      volumeBecameAvailable=true;
    }
  }
 catch (  TimeoutException e) {
    log.error("String_Node_Str" + volumeId + "String_Node_Str");
  }
  if (volumeBecameAvailable) {
    cloudStackApi.getVolumeApi().attachVolume(volumeId,instanceId);
    try {
      volumeBecameAttached=waitForStatus(volumeId,Volume.State.READY,2);
    }
 catch (    TimeoutException e) {
      log.error("String_Node_Str" + volumeId + "String_Node_Str");
    }
  }
  try {
    Thread.sleep(5000);
  }
 catch (  InterruptedException ignored) {
  }
  if (!volumeBecameAttached) {
    log.error(String.format("String_Node_Str",volumeId));
  }
  log.info(String.format("String_Node_Str" + "String_Node_Str",volumeId,instanceId,iaasInfo));
  return "String_Node_Str";
}