fail("Some errors occur");
} else {
ExtendedIterator<OntClass> jenaclass = model.listNamedClasses();
int jenaclassset = jenaclass.toSet().size();
jenaclass = model.listNamedClasses();
Set<OWLClass> owlclass = owl.getClassesInSignature();
int countclass = 0;
while (jenaclass.hasNext())
if (owlclass.contains(factory.getOWLClass(IRI.create(jenaclass.next().getURI())))) countclass++;