https://www.pistack.xyz/tags/model-checking/ Recent content in Model-Checking on Pi Stack Hugo en-us Tue, 13 Oct 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-10-13-model-checkers-tlaplus-apalache-cbmc-guide/ Tue, 13 Oct 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-10-13-model-checkers-tlaplus-apalache-cbmc-guide/ <p>Some bugs are invisible to every test you will ever write. A distributed lock that passes code review can still lose a message under one interleaving in ten million, and no amount of unit testing explores the schedules your production cluster will invent at 3 a.m. Model checkers exist to attack exactly that class of bug — by enumerating the behaviours your design allows instead of sampling a handful of them.</p>