Program: 93683
Project: 93683
Buggy source:
@Override public Router getRouter(){
  Router router=Router.router(vertx);
  router.route().handler(BodyHandler.create());
  for (  OperationValue operation : operations.values()) {
    if (!options.isMountNotImplementedHandler() && !operation.isConfigured())     continue;
    List<Handler> handlersToLoad=new ArrayList<>();
    List<Handler> failureHandlersToLoad=new ArrayList<>();
    List<SecurityRequirement> securityRequirements=operation.getOperationModel().getSecurity();
    if (securityRequirements != null) {
      for (      SecurityRequirement securityRequirement : securityRequirements) {
        for (        Map.Entry<String,List<String>> securityValue : securityRequirement.entrySet()) {
          if (securityValue.getValue() != null && securityValue.getValue().size() != 0) {
            for (            String scope : securityValue.getValue()) {
              Handler securityHandlerToLoad=this.securityHandlers.get(new SecurityRequirementKey(securityValue.getKey(),scope));
              if (securityHandlerToLoad == null) {
                securityHandlerToLoad=this.securityHandlers.get(new SecurityRequirementKey(securityValue.getKey()));
                if (securityHandlerToLoad == null && options.isRequireSecurityHandlers())                 throw RouterFactoryException.createMissingSecurityHandler(securityValue.getKey(),scope);
 else                 handlersToLoad.add(securityHandlerToLoad);
              }
 else               handlersToLoad.add(securityHandlerToLoad);
            }
          }
 else {
            Handler securityHandlerToLoad=this.securityHandlers.get(new SecurityRequirementKey(securityValue.getKey()));
            if (securityHandlerToLoad == null && options.isRequireSecurityHandlers())             throw RouterFactoryException.createMissingSecurityHandler(securityValue.getKey());
 else             handlersToLoad.add(securityHandlerToLoad);
          }
        }
      }
    }
    Handler<RoutingContext> validationHandler=new OpenAPI3RequestValidationHandlerImpl(operation.getOperationModel(),operation.getParameters(),this.spec);
    handlersToLoad.add(validationHandler);
    if (this.options.isMountValidationFailureHandler())     failureHandlersToLoad.add(this.options.getValidationFailureHandler());
    if (operation.isConfigured()) {
      handlersToLoad.addAll(operation.getUserHandlers());
      failureHandlersToLoad.addAll(operation.getUserFailureHandlers());
    }
 else {
      handlersToLoad.add(this.options.getNotImplementedFailureHandler());
    }
    OpenAPI3PathResolver pathResolver=new OpenAPI3PathResolver(operation.getPath(),operation.getParameters());
    Route route=router.routeWithRegex(operation.getMethod(),pathResolver.solve().toString());
    Set<String> consumes=new HashSet<>();
    Set<String> produces=new HashSet<>();
    if (operation.getOperationModel().getRequestBody() != null && operation.getOperationModel().getRequestBody().getContent() != null)     consumes.addAll(operation.getOperationModel().getRequestBody().getContent().keySet());
    if (operation.getOperationModel().getResponses() != null)     for (    ApiResponse response : operation.getOperationModel().getResponses().values())     if (response.getContent() != null)     produces.addAll(response.getContent().keySet());
    for (    String ct : consumes)     route.consumes(ct);
    for (    String ct : produces)     route.produces(ct);
    if (options.isMountResponseContentTypeHandler() && produces.size() != 0)     route.handler(ResponseContentTypeHandler.create());
    route.setRegexGroupsNames(new ArrayList<>(pathResolver.getMappedGroups().values()));
    for (    Handler handler : handlersToLoad)     route.handler(handler);
    for (    Handler failureHandler : failureHandlersToLoad)     route.failureHandler(failureHandler);
  }
  return router;
}

Fixed version (ground truth):
@Override public Router getRouter(){
  Router router=Router.router(vertx);
  router.route().handler(BodyHandler.create());
  for (  OperationValue operation : operations.values()) {
    if (!options.isMountNotImplementedHandler() && !operation.isConfigured())     continue;
    List<Handler> handlersToLoad=new ArrayList<>();
    List<Handler> failureHandlersToLoad=new ArrayList<>();
    handlersToLoad.addAll(securityHandlers.solveSecurityHandlers(operation.getOperationModel().getSecurity(),this.options().isRequireSecurityHandlers()));
    Handler<RoutingContext> validationHandler=new OpenAPI3RequestValidationHandlerImpl(operation.getOperationModel(),operation.getParameters(),this.spec);
    handlersToLoad.add(validationHandler);
    if (this.options.isMountValidationFailureHandler())     failureHandlersToLoad.add(this.options.getValidationFailureHandler());
    if (operation.isConfigured()) {
      handlersToLoad.addAll(operation.getUserHandlers());
      failureHandlersToLoad.addAll(operation.getUserFailureHandlers());
    }
 else {
      handlersToLoad.add(this.options.getNotImplementedFailureHandler());
    }
    OpenAPI3PathResolver pathResolver=new OpenAPI3PathResolver(operation.getPath(),operation.getParameters());
    Route route=router.routeWithRegex(operation.getMethod(),pathResolver.solve().toString());
    Set<String> consumes=new HashSet<>();
    Set<String> produces=new HashSet<>();
    if (operation.getOperationModel().getRequestBody() != null && operation.getOperationModel().getRequestBody().getContent() != null)     consumes.addAll(operation.getOperationModel().getRequestBody().getContent().keySet());
    if (operation.getOperationModel().getResponses() != null)     for (    ApiResponse response : operation.getOperationModel().getResponses().values())     if (response.getContent() != null)     produces.addAll(response.getContent().keySet());
    for (    String ct : consumes)     route.consumes(ct);
    for (    String ct : produces)     route.produces(ct);
    if (options.isMountResponseContentTypeHandler() && produces.size() != 0)     route.handler(ResponseContentTypeHandler.create());
    route.setRegexGroupsNames(new ArrayList<>(pathResolver.getMappedGroups().values()));
    for (    Handler handler : handlersToLoad)     route.handler(handler);
    for (    Handler failureHandler : failureHandlersToLoad)     route.failureHandler(failureHandler);
  }
  return router;
}