public String runInternalToProcess (String problem) { return runInternalToProcess (problem, true, false);
public String runInternalToProcess (String problem, boolean initialize, boolean reportFrozen) { setupInternal (problem, initialize); scheduleInternal(); return getXMLAssignments (true, reportFrozen);
  public String runInternalToProcess (String problem) {    return runInternalToProcess (problem, true, false);  }