@Test(groups = "1s")
public void test22() {
Solver solver = new Solver("Choco");
IntVar v = VF.enumerated("v", 1, 4, solver);
IntVar x = VF.enumerated("v", 0, 3, solver);
solver.post(new Constraint("times", new PropScale(v, 3, x)));
Solver copy = solver.duplicateModel();
solver.findAllSolutions();
copy.findAllSolutions();