if (!lackingSet.isEmpty()) {
    analysis.append("  The workingMemory has ").append(excessSet.size()) // this should be lackingSet.size()
            .append(" ConstraintOccurrence(s) lacking:\n");
    int count = 0;
    for (Object o : lackingSet) {
        if (count >= CONSTRAINT_OCCURRENCE_DISPLAY_LIMIT) {
            analysis.append("    ... ").append(lackingSet.size() - CONSTRAINT_OCCURRENCE_DISPLAY_LIMIT)
                    .append(" more\n");
            break;
        }
        analysis.append("    ").append(o.toString()).append("\n");
        count++;
    }
}