No, the whole point is that it goes to everyone, and is not means-tested, so that there is never a disincentive to work.
But, since it will eliminate poverty, it would also eliminate existing government programs to help the poor, such as unemployment insurance etc., and that would be a major cost saving.
That definition might stop working. The important thing is whether you can afford food, clothing, shelter, required transport, and still have some money left over to take care of everything else.
But that definition might not stop working. If you calculate the poverty line as, for example, median income multiplied by 0.6, it is possible to have every single person above that line.
But, since it will eliminate poverty, it would also eliminate existing government programs to help the poor, such as unemployment insurance etc., and that would be a major cost saving.