Verify Cursor::move_forward - #183
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The new implementation takes care of the cases when cur_level < add_level.
(over sequences with the same length)
using the alternative spec for pte_index. I think this proof is easier to understand than the one with a ton of bit operations.
Perhaps this can fix the flaky proof problem?
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Verified
Cursor::move_forward.Added two alternative
spec fnforpte_indexthat doesn't use bit arithmetics and some properties for thepage_sizefunction.Fixed a typo in
lemma_aligned_pte_index_unchanged.