Comments (2)
On the topic of completeness, I thought I'd report that this weekend, as an exercise, I reimplemented the parity and interval lattices and proved their abstractions of addition, subtraction, and multiplication both sound and complete.
Notably, interval_combine mult
is not complete as it computes [0,0] × [n,∞) = [0,∞), whereas the most precise abstract result is [0,0]. Fixing this (and [n,∞) × [0,0]) makes it complete though.
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Thanks for taking the initiative here! I'd be happy to accept a pull request, though I'd ask that it not use Unicode operators, which I've avoided through the rest of the book code.
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Related Issues (20)
- Typo still exist in Chapter 2's code HOT 1
- Minor typo in section 2.5 HOT 2
- Insufficient tactic of `model_check_done` in FrapWithoutSets.v. HOT 3
- Failing to compile Sets.v HOT 1
- Notation suggestion for § 4.2 "A Stack Machine"
- Incomplete odd/even abstraction rules in § 8 "Abstract Interpretation and Dataflow Analysis" HOT 2
- Cannot find library Frap in loadpath HOT 3
- Typo in Polymorphism.v HOT 3
- No index entry for `model_check` tactic HOT 1
- 14.2. Assertion Logic: some arrows should be single-lined HOT 3
- Inconsistent use of "most precise answer" on page 47
- "Further Reading" sections HOT 1
- Feedback on Concurrent Separation Logic HOT 1
- Book on amazon Kindle? HOT 7
- Unable to run `make lib` HOT 4
- Unable to run 'make' and 'make lib' HOT 6
- Unable to unify - compile error HOT 2
- Can't build the project using a local opam switch HOT 3
- Error with make all HOT 2
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