Program: 141346
Project: 141346
Buggy source:
private static void exec(final Settings settings,final String instanceType,final int nInstances,final String paramPath,String designPath,final String jobDescription){
  LOGGER.info("String_Node_Str");
  if (false) {
    System.out.println("String_Node_Str");
    System.exit(0);
  }
  final long startTime=System.currentTimeMillis();
  final StringBuilder sb=new StringBuilder();
  sb.append("String_Node_Str");
  sb.append(HADOOP_VERSION);
  sb.append("String_Node_Str");
  sb.append("String_Node_Str");
  sb.append(nInstances);
  sb.append("String_Node_Str");
  sb.append("String_Node_Str");
  sb.append(instanceType);
  sb.append("String_Node_Str");
  sb.append("String_Node_Str");
  sb.append(END_POINT);
  sb.append("String_Node_Str");
  sb.append("String_Node_Str");
  sb.append(LOG_PATH);
  final List<String> eoulsanArgsList=Lists.newArrayList();
  eoulsanArgsList.add(ExecJarHadoopAction.ACTION_NAME);
  eoulsanArgsList.add("String_Node_Str");
  eoulsanArgsList.add(jobDescription);
  eoulsanArgsList.add("String_Node_Str");
  eoulsanArgsList.add(sb.toString());
  eoulsanArgsList.add(paramPath);
  eoulsanArgsList.add(designPath);
  eoulsanArgsList.add("String_Node_Str");
  final String[] eoulsanArgs=eoulsanArgsList.toArray(new String[0]);
  final AWSMapReduceBuilder builder=new AWSMapReduceBuilder();
  builder.withJobFlowName(jobDescription);
  LOGGER.info("String_Node_Str" + jobDescription);
  builder.withAWSAccessKey(settings.getAWSAccessKey()).withAWSsecretKey(settings.getAWSSecretKey());
  LOGGER.info("String_Node_Str" + settings.getAWSAccessKey());
  LOGGER.info("String_Node_Str" + settings.getAWSSecretKey());
  builder.withEndpoint(END_POINT);
  LOGGER.info("String_Node_Str" + END_POINT);
  builder.withJarLocation(JAR_LOCATION).withJarArguments(eoulsanArgs);
  LOGGER.info("String_Node_Str" + JAR_LOCATION);
  LOGGER.info("String_Node_Str" + Arrays.toString(eoulsanArgs));
  builder.withMasterInstanceType(instanceType).withSlavesInstanceType(instanceType).withInstancesNumber(nInstances);
  LOGGER.info("String_Node_Str" + instanceType);
  LOGGER.info("String_Node_Str" + nInstances);
  builder.withHadoopVersion(HADOOP_VERSION);
  LOGGER.info("String_Node_Str" + HADOOP_VERSION);
  builder.withLogPathname(LOG_PATH);
  LOGGER.info("String_Node_Str" + LOG_PATH);
  final AWSMapReduceJob job=builder.create();
  showCountDown(COUNTDOWN_START);
  LOGGER.info("String_Node_Str");
  final String jobFlowId=job.runJob();
  LOGGER.info("String_Node_Str" + jobFlowId);
  job.waitForJob(SECONDS_WAIT_BETWEEN_CHECKS);
  final long endTime=System.currentTimeMillis();
  LOGGER.info("String_Node_Str" + jobFlowId + "String_Node_Str"+ (endTime - startTime)+ "String_Node_Str");
}

Fixed version (ground truth):
private static void exec(final Settings settings,final String instanceType,final int nInstances,final String paramPath,String designPath,final String jobDescription){
  LOGGER.info("String_Node_Str");
  if (false) {
    System.out.println("String_Node_Str");
    System.exit(0);
  }
  final long startTime=System.currentTimeMillis();
  final StringBuilder sb=new StringBuilder();
  sb.append("String_Node_Str");
  sb.append(HADOOP_VERSION);
  sb.append("String_Node_Str");
  sb.append("String_Node_Str");
  sb.append(nInstances);
  sb.append("String_Node_Str");
  sb.append("String_Node_Str");
  sb.append(instanceType);
  sb.append("String_Node_Str");
  sb.append("String_Node_Str");
  sb.append(END_POINT);
  sb.append("String_Node_Str");
  sb.append("String_Node_Str");
  sb.append(LOG_PATH);
  final List<String> eoulsanArgsList=Lists.newArrayList();
  eoulsanArgsList.add("String_Node_Str");
  eoulsanArgsList.add("String_Node_Str");
  eoulsanArgsList.add(jobDescription);
  eoulsanArgsList.add("String_Node_Str");
  eoulsanArgsList.add(sb.toString());
  eoulsanArgsList.add(paramPath);
  eoulsanArgsList.add(designPath);
  eoulsanArgsList.add("String_Node_Str");
  final String[] eoulsanArgs=eoulsanArgsList.toArray(new String[0]);
  final AWSMapReduceBuilder builder=new AWSMapReduceBuilder();
  builder.withJobFlowName(jobDescription);
  LOGGER.info("String_Node_Str" + jobDescription);
  builder.withAWSAccessKey(settings.getAWSAccessKey()).withAWSSecretKey(settings.getAWSSecretKey());
  LOGGER.info("String_Node_Str" + settings.getAWSAccessKey());
  LOGGER.info("String_Node_Str" + settings.getAWSSecretKey());
  builder.withEndpoint(END_POINT);
  LOGGER.info("String_Node_Str" + END_POINT);
  builder.withJarLocation(JAR_LOCATION).withJarArguments(eoulsanArgs);
  LOGGER.info("String_Node_Str" + JAR_LOCATION);
  LOGGER.info("String_Node_Str" + Arrays.toString(eoulsanArgs));
  builder.withMasterInstanceType(instanceType).withSlavesInstanceType(instanceType).withInstancesNumber(nInstances);
  LOGGER.info("String_Node_Str" + instanceType);
  LOGGER.info("String_Node_Str" + nInstances);
  builder.withHadoopVersion(HADOOP_VERSION);
  LOGGER.info("String_Node_Str" + HADOOP_VERSION);
  builder.withLogPathname(LOG_PATH);
  LOGGER.info("String_Node_Str" + LOG_PATH);
  final AWSMapReduceJob job=builder.create();
  showCountDown(COUNTDOWN_START);
  LOGGER.info("String_Node_Str");
  final String jobFlowId=job.runJob();
  LOGGER.info("String_Node_Str" + jobFlowId);
  job.waitForJob(SECONDS_WAIT_BETWEEN_CHECKS);
  final long endTime=System.currentTimeMillis();
  LOGGER.info("String_Node_Str" + jobFlowId + "String_Node_Str"+ (endTime - startTime)+ "String_Node_Str");
}