[x] The wiki is updated in accordance with the changes in this PR. For example: syntax changes, semantics changes, VerCors flags changes, etc.
PR description
Implement & improve various aspects of VeyMont. This PR is more or less in an intermediate state, with some tests disabled, to accomodate the reformatting window next tuesday. The other parts of VerCors should not be affected by the intermediate nature of the changes included in this PR.
Checklist:
PR description
Implement & improve various aspects of VeyMont. This PR is more or less in an intermediate state, with some tests disabled, to accomodate the reformatting window next tuesday. The other parts of VerCors should not be affected by the intermediate nature of the changes included in this PR.