final UserFunction fn1 = exp1.getStaticContext().getUserDefinedFunction("f.ns", "t1", 2);
if (fn1 == null) {
throw new IllegalStateException("Function f:t1() not found");
}
final Controller controller = exp1.newController();
final Value[] arglist = new Value[2];
arglist[0] = new Int64Value(10);
for (int i = 3; i < 10; i++) {
arglist[1] = new Int64Value(i);
final ValueRepresentation result = fn1.call(arglist, controller);