Program: 56489
Project: 56489
Buggy source:
private void handleWorkerCreationRequest(){
  WorkerCreationRequest workerRequest=workerCreationRequests.poll();
  if (workerRequest != null && workerRequest.movableType == EMovableType.SMITH) {
    System.err.println("String_Node_Str");
  }
  if (workerRequest != null) {
    EMaterialType tool=workerRequest.movableType.getTool();
    if (tool != EMaterialType.NO_MATERIAL) {
      this.materialTypeAcceptor.materialType=tool;
      Offer offer=this.materialOffers.getObjectNextTo(workerRequest.position,this.materialTypeAcceptor);
      if (offer != null) {
        IManageableBearer manageableBearer=joblessBearer.removeObjectNextTo(workerRequest.position);
        if (manageableBearer != null) {
          manageableBearer.becomeWorker(this,workerRequest.movableType,offer.position);
          reduceOfferAmount(offer);
        }
 else {
          workerCreationRequests.addLast(workerRequest);
        }
      }
 else {
        if (!workerRequest.produceToolRequested) {
          requestToolProduction(tool,workerRequest.position);
          workerRequest.produceToolRequested=true;
        }
        workerCreationRequests.addLast(workerRequest);
      }
    }
 else {
      IManageableBearer manageableBearer=joblessBearer.removeObjectNextTo(workerRequest.position);
      if (manageableBearer != null) {
        manageableBearer.becomeWorker(this,workerRequest.movableType);
      }
 else {
        workerCreationRequests.addLast(workerRequest);
      }
    }
  }
}

Fixed version (ground truth):
private void handleWorkerCreationRequest(){
  EMaterialType[] slotTypes=toolRequestingWorkerRequests.getSlotTypes();
  for (int slot=0; slot < slotTypes.length; slot++) {
    WorkerCreationRequest request=toolRequestingWorkerRequests.popFront(slot);
    if (request != null) {
      this.materialTypeAcceptor.materialType=slotTypes[slot];
      Offer offer=this.materialOffers.getObjectNextTo(request.position,this.materialTypeAcceptor);
      if (offer != null) {
        IManageableBearer manageableBearer=joblessBearer.removeObjectNextTo(request.position);
        if (manageableBearer != null) {
          manageableBearer.becomeWorker(this,request.movableType,offer.position);
          reduceOfferAmount(offer);
        }
 else {
          toolRequestingWorkerRequests.pushLast(slot,request);
        }
      }
 else {
        toolRequestingWorkerRequests.pushLast(slot,request);
      }
    }
  }
  WorkerCreationRequest workerRequest=workerCreationRequests.poll();
  if (workerRequest != null) {
    EMaterialType tool=workerRequest.movableType.getTool();
    if (tool != EMaterialType.NO_MATERIAL) {
      if (toolRequestingWorkerRequests.isSlotEmpty(workerRequest.movableType.getTool())) {
        this.materialTypeAcceptor.materialType=tool;
        Offer offer=this.materialOffers.getObjectNextTo(workerRequest.position,this.materialTypeAcceptor);
        if (offer != null) {
          IManageableBearer manageableBearer=joblessBearer.removeObjectNextTo(workerRequest.position);
          if (manageableBearer != null) {
            manageableBearer.becomeWorker(this,workerRequest.movableType,offer.position);
            reduceOfferAmount(offer);
          }
 else {
            workerCreationRequests.addLast(workerRequest);
          }
        }
 else {
          toolProductionRequests.add(tool,new ProductionRequest(tool,workerRequest.position));
          toolRequestingWorkerRequests.pushLast(tool,workerRequest);
        }
      }
 else {
        workerCreationRequests.addLast(workerRequest);
      }
    }
 else {
      IManageableBearer manageableBearer=joblessBearer.removeObjectNextTo(workerRequest.position);
      if (manageableBearer != null) {
        manageableBearer.becomeWorker(this,workerRequest.movableType);
      }
 else {
        workerCreationRequests.addLast(workerRequest);
      }
    }
  }
}