Program: 64154
Project: 64154
Buggy source:
/** 
 * Run the functional test sequence. <p/> This is a fairly complex workflow -what is going on is that we try to clean up no matter how the run ended, and to retain the innermost exception that got thrown during cleanup. That is, if teardown fails after the tests themselves failed, it is the test failing that is more important.
 * @throws BuildException if something was caught during the run or teardown.
 */
public void execute() throws BuildException {
  if (condition != null && !condition.eval()) {
    log(SKIPPING_TESTS);
    return;
  }
  long timeoutMillis=timeout * timeoutUnitMultiplier;
  Parallel applicationRun=newParallel(timeoutMillis);
  WorkerAnt worker=new WorkerAnt(applicationRun,null);
  if (application != null) {
    applicationRun.addTask(application);
  }
  long testRunTimeout=0;
  Sequential testRun=new Sequential();
  bind(testRun);
  if (block != null) {
    testRun.addTask(new TaskAdapter(block));
    testRunTimeout=block.calculateMaxWaitMillis();
  }
  if (tests != null) {
    testRun.addTask(tests);
    testRunTimeout+=timeoutMillis;
  }
  if (reporting != null) {
    testRun.addTask(reporting);
    testRunTimeout+=timeoutMillis;
  }
  timedTests=newParallel(testRunTimeout,testRun);
  try {
    if (setup != null) {
      Parallel setupRun=newParallel(timeoutMillis,setup);
      setupRun.execute();
    }
    worker.start();
    timedTests.execute();
  }
 catch (  BuildException e) {
    testException=e;
  }
 finally {
    if (teardown != null) {
      try {
        Parallel teardownRun=newParallel(timeoutMillis,teardown);
        teardownRun.execute();
      }
 catch (      BuildException e) {
        teardownException=e;
      }
    }
  }
  try {
    long shutdownTimeMillis=shutdownTime * shutdownUnitMultiplier;
    worker.waitUntilFinished(shutdownTimeMillis);
    if (worker.isAlive()) {
      log(APPLICATION_FORCIBLY_SHUT_DOWN,Project.MSG_WARN);
      worker.interrupt();
      worker.waitUntilFinished(shutdownTimeMillis);
    }
  }
 catch (  InterruptedException e) {
    log(SHUTDOWN_INTERRUPTED,e,Project.MSG_VERBOSE);
  }
  applicationException=worker.getBuildException();
  processExceptions();
}

Fixed version (ground truth):
/** 
 * Run the functional test sequence. <p/> This is a fairly complex workflow -what is going on is that we try to clean up no matter how the run ended, and to retain the innermost exception that got thrown during cleanup. That is, if teardown fails after the tests themselves failed, it is the test failing that is more important.
 * @throws BuildException if something was caught during the run or teardown.
 */
public void execute() throws BuildException {
  validateTask(setup,"String_Node_Str");
  validateTask(application,"String_Node_Str");
  validateTask(tests,"String_Node_Str");
  validateTask(reporting,"String_Node_Str");
  validateTask(teardown,"String_Node_Str");
  if (condition != null && !condition.eval()) {
    log(SKIPPING_TESTS);
    return;
  }
  long timeoutMillis=timeout * timeoutUnitMultiplier;
  Parallel applicationRun=newParallel(timeoutMillis);
  WorkerAnt worker=new WorkerAnt(applicationRun,null);
  if (application != null) {
    applicationRun.addTask(application);
  }
  long testRunTimeout=0;
  Sequential testRun=new Sequential();
  bind(testRun);
  if (block != null) {
    TaskAdapter ta=new TaskAdapter(block);
    ta.bindToOwner(this);
    validateTask(ta,"String_Node_Str");
    testRun.addTask(ta);
    testRunTimeout=block.calculateMaxWaitMillis();
  }
  if (tests != null) {
    testRun.addTask(tests);
    testRunTimeout+=timeoutMillis;
  }
  if (reporting != null) {
    testRun.addTask(reporting);
    testRunTimeout+=timeoutMillis;
  }
  timedTests=newParallel(testRunTimeout,testRun);
  try {
    if (setup != null) {
      Parallel setupRun=newParallel(timeoutMillis,setup);
      setupRun.execute();
    }
    worker.start();
    timedTests.execute();
  }
 catch (  BuildException e) {
    testException=e;
  }
 finally {
    if (teardown != null) {
      try {
        Parallel teardownRun=newParallel(timeoutMillis,teardown);
        teardownRun.execute();
      }
 catch (      BuildException e) {
        teardownException=e;
      }
    }
  }
  try {
    long shutdownTimeMillis=shutdownTime * shutdownUnitMultiplier;
    worker.waitUntilFinished(shutdownTimeMillis);
    if (worker.isAlive()) {
      log(APPLICATION_FORCIBLY_SHUT_DOWN,Project.MSG_WARN);
      worker.interrupt();
      worker.waitUntilFinished(shutdownTimeMillis);
    }
  }
 catch (  InterruptedException e) {
    log(SHUTDOWN_INTERRUPTED,e,Project.MSG_VERBOSE);
  }
  applicationException=worker.getBuildException();
  processExceptions();
}