GuessBranch newBranch = new GuessBranch(abox, this, o, pred.getInverse(), guessMin, max,
ATermUtils.TOP, ds);
addBranch(newBranch);
// try a merge that does not trivially fail
if (newBranch.tryNext() == false) {
return edge;
}
if (abox.isClosed()) {
return edge;