This subject always reminds of the old joke about how hard it is to give up innuendo.
However, the EU is in no mood to compromise. Hard brexit it is or else stay in the EU.
The current government policy must be to wait and see what happpens next;
- in the Italian referendum which may change the Government there.
- in the French election if Le Pen does well and is in a run-off with Sarkozy
- in Germany if Merkel quits at Xmas and says she won't run next year.
- in Holland if Geert Wilders gets in
All or any of the above could change the views of the EU next year....but I doubt it unless It is a full house. More likely the article 50 will be triggered and events set in train that will be too hard to stop.
So hard it is.