sc.commit();
sc.begin();
before = countStatements(sc, null, uriA, null, false);
sc.addStatement(uriB, uriA, uriC, uriC);
sc.addStatement(uriC, uriA, uriA, uriA);
sc.commit();
sc.begin();
sc.addStatement(uriA, uriA, uriB, uriB);
sc.commit();
sc.begin();
after = countStatements(sc, null, uriA, null, false);