public class PushDownMethodGen extends Gen {
@Override
protected IGenerator<List<CompilationUnit>> getCUGen() {
JDolly jdolly = new JDollyImp("alloyTheory/pushdownmethod_final.als", 2,3, 4);
//jdolly.setCaller("m_0");
//jdolly.setFacade("test_0");
return jdolly;
}