Escaped Mutant for Mutator "LogicalOrAllSubExprNegation": --- Original +++ New @@ @@ if (static::$kernel instanceof KernelInterface) { $container = static::$kernel->getContainer(); static::$kernel->shutdown(); - if ($container instanceof ResetInterface || $container instanceof ResettableContainerInterface) { + if (!$container instanceof ResetInterface || !$container instanceof ResettableContainerInterface) { $container->reset(); } static::$kernel = null;