Program: 19550
Project: 19550
Buggy source:
protected void execute(){
  if (childHelper.size() < 1) {
    return;
  }
  Object child=childHelper.getChildAt(0);
  if (!(child instanceof Stateful)) {
    logger().info("String_Node_Str" + child + "String_Node_Str");
    return;
  }
  if (!(child instanceof Runnable)) {
    logger().info("String_Node_Str" + child + "String_Node_Str");
    return;
  }
  final Stateful depends=(Stateful)child;
final class ThenAction implements Runnable {
    @Override public void run(){
      if (childHelper.size() < 2) {
        logger().info("String_Node_Str");
        return;
      }
 else {
        logger().info("String_Node_Str");
        Runnable job=(Runnable)childHelper.getChildAt(1);
        job.run();
      }
    }
  }
class ElseAction implements Runnable {
    @Override public void run(){
      if (childHelper.size() < 3) {
        logger().info("String_Node_Str");
        return;
      }
 else {
        logger().info("String_Node_Str");
        Runnable job=(Runnable)childHelper.getChildAt(2);
        job.run();
      }
    }
  }
class AsyncAction implements Runnable {
    @Override public void run(){
      asyncSupport=new AsyncExecutionSupport(new Runnable(){
        @Override public void run(){
          stop=false;
          IfJob.super.startChildStateReflector();
        }
      }
);
      stateHandler().waitToWhen(new IsAnyState(),new Runnable(){
        public void run(){
          getStateChanger().setState(ParentState.ACTIVE);
        }
      }
);
      depends.addStateListener(new StateListener(){
        @Override public void jobStateChange(        StateEvent event){
          State dependsState=event.getState();
          if (StateConditions.ACTIVE.test(dependsState)) {
            return;
          }
          ExecutorService executorService=ensureExecutorService();
          if (!stop) {
            if (IfJob.this.state.test(dependsState)) {
              logger().info("String_Node_Str" + dependsState + "String_Node_Str");
              asyncSupport.submitJob(executorService,new ThenAction());
            }
 else {
              logger().info("String_Node_Str" + dependsState + "String_Node_Str");
              asyncSupport.submitJob(executorService,new ElseAction());
            }
          }
          depends.removeStateListener(this);
          asyncSupport.startWatchingJobs();
        }
      }
);
    }
  }
  final AtomicReference<Runnable> action=new AtomicReference<Runnable>(new Runnable(){
    @Override public void run(){
      State dependsState=depends.lastStateEvent().getState();
      if (state.test(dependsState)) {
        new ThenAction().run();
      }
 else {
        new ElseAction().run();
      }
    }
  }
);
  StateListener listenForActive=new StateListener(){
    @Override public void jobStateChange(    StateEvent event){
      if (StateConditions.ACTIVE.test(event.getState())) {
        logger().info("String_Node_Str");
        action.set(new AsyncAction());
      }
    }
  }
;
  depends.addStateListener(listenForActive);
  try {
    ((Runnable)depends).run();
  }
  finally {
    depends.removeStateListener(listenForActive);
  }
  if (stop) {
    stop=false;
    return;
  }
  action.get().run();
}

Fixed version (ground truth):
protected void execute(){
  if (childHelper.size() < 1) {
    return;
  }
  Object child=childHelper.getChildAt(0);
  if (!(child instanceof Stateful)) {
    logger().info("String_Node_Str" + child + "String_Node_Str");
    return;
  }
  if (!(child instanceof Runnable)) {
    logger().info("String_Node_Str" + child + "String_Node_Str");
    return;
  }
  final Stateful depends=(Stateful)child;
final class ThenAction implements Runnable {
    @Override public void run(){
      if (childHelper.size() < 2) {
        logger().info("String_Node_Str");
        return;
      }
 else {
        logger().info("String_Node_Str");
        Runnable job=(Runnable)childHelper.getChildAt(1);
        job.run();
      }
    }
  }
class ElseAction implements Runnable {
    @Override public void run(){
      if (childHelper.size() < 3) {
        logger().info("String_Node_Str");
        return;
      }
 else {
        logger().info("String_Node_Str");
        Runnable job=(Runnable)childHelper.getChildAt(2);
        job.run();
      }
    }
  }
class AsyncAction implements Runnable {
    @Override public void run(){
      asyncSupport=new AsyncExecutionSupport(new Runnable(){
        @Override public void run(){
          stop=false;
          IfJob.super.startChildStateReflector();
        }
      }
);
      stateHandler().waitToWhen(new IsAnyState(),new Runnable(){
        public void run(){
          getStateChanger().setState(ParentState.ACTIVE);
        }
      }
);
      depends.addStateListener(new StateListener(){
        @Override public void jobStateChange(        StateEvent event){
          State dependsState=event.getState();
          StateCondition condition=StateConditions.ACTIVE;
          if (condition.test(dependsState)) {
            return;
          }
          ExecutorService executorService=ensureExecutorService();
          if (!stop) {
            if (IfJob.this.state.test(dependsState)) {
              logger().info("String_Node_Str" + dependsState + "String_Node_Str");
              asyncSupport.submitJob(executorService,new ThenAction());
            }
 else {
              logger().info("String_Node_Str" + dependsState + "String_Node_Str");
              asyncSupport.submitJob(executorService,new ElseAction());
            }
          }
          depends.removeStateListener(this);
          asyncSupport.startWatchingJobs();
        }
      }
);
    }
  }
  final AtomicReference<Runnable> action=new AtomicReference<Runnable>(new Runnable(){
    @Override public void run(){
      State dependsState=depends.lastStateEvent().getState();
      if (state.test(dependsState)) {
        new ThenAction().run();
      }
 else {
        new ElseAction().run();
      }
    }
  }
);
  StateListener listenForActive=new StateListener(){
    @Override public void jobStateChange(    StateEvent event){
      StateCondition condition=StateConditions.ACTIVE;
      if (condition.test(event.getState())) {
        logger().info("String_Node_Str");
        action.set(new AsyncAction());
      }
    }
  }
;
  depends.addStateListener(listenForActive);
  try {
    ((Runnable)depends).run();
  }
  finally {
    depends.removeStateListener(listenForActive);
  }
  if (stop) {
    stop=false;
    return;
  }
  action.get().run();
}