final List<Formula> changes = new LinkedList<Formula>();
for(Map.Entry<Relation, TupleSet> entry: trivialInstance.relationTuples().entrySet()) {
final Relation r = entry.getKey();
if (!translBounds.relations().contains(r)) {
translBounds.bound(r, bounds.lowerBound(r), bounds.upperBound(r));
}
if (translBounds.lowerBound(r)!=translBounds.upperBound(r)) { // r may change
if (entry.getValue().isEmpty()) {