BREXIT

[VNA]

So we have another referendum with the 2 options...'Leave with May's deal' or 'Leave with no deal'. Sorted

That is not a choice.  I too, and with out doubt over 50% of voters would abstain.  Any such referendum would be declared invalid.
The question is much more likely to be;


May’s deal (It’s the only deal on the table)


Or


Cancel article 50.