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3 commits

Author SHA1 Message Date
40eef36a10 feat(z3): zero-error SMT-LIB2 output + BMC verify blocks for KRaft
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- Declare speckl_len_Int helper for list/sequence lengths
- Fix infix = inside => bodies (final pass regex)
- Handle prime notation: currentTerm' → currentTerm_post
- Handle length() calls: length(log) → (speckl_len_Int log)
- Handle min(): (ite (<= a b) a b) instead of unsupported 'min'
- Handle subtraction: i-1 → (- i 1)
- Declare _post state vars when invariants compare pre/post
- Added 3 BMC verify blocks to KRaft spec (TermMonotonicity, CommitSafety, LeaderCompleteness)
- Z3 returns clean sat with zero errors for all specs
- All 37 tests pass
2026-05-09 23:07:56 -07:00
25fbdfc7a9 fix(z3): clean SMT-LIB2 output — Z3 returns sat with model (zero sort errors)
- Sanitize sort names: Option(NodeId) → Option_NodeId
- Emit action transition predicates only for verify/BMC mode
- Handle -> implication operator in translateExpr
- Fleshed out KRaft invariant bodies (4/6 now have real expressions)
- ToggleSwitch: clean sat with model
- TigerBeetleLedger: sat with model
- KafkaKRaft: sat with model
- All 37 tests pass
2026-05-09 22:38:47 -07:00
582ef92586 feat: KRaft consensus protocol spec (speckl#23) 2026-05-09 22:19:32 -07:00