IteratorRegistry ir = new IteratorRegistry();
ReferenceInterpreter i = new ReferenceInterpreter(plan, ir, new BasicEvaluatorFactory(ir), new RSERegistry(config));
i.setup();
Collection<RunOutcome> outcomes = i.run();
for(RunOutcome outcome : outcomes){
System.out.println("============");
System.out.println(outcome);
if(outcome.outcome == RunOutcome.OutcomeType.FAILED && outcome.exception != null){