The Case Against Formal Verification, 50 Years Later

An essay that re-reads a 1979 paper against formal verification in light of AI coding.

Author
Ivan Gavran
Published
15 August 2026
Kind
Personal blog essay revisiting a 1979 paper
Original
ivan-gavran.github.io/0-social-processes-paper
Subject
Checkable specs for coding agents
Themes
Checking the work

What it is

Ivan Gavran is a formal methods practitioner. The essay notes growing excitement about verification, driven by AI coding. It then tests the 1979 paper's arguments one by one.

What it says

What evidence it gives

The essay is argument, paragraph by paragraph. It cites one experience report, Igor Konnov proving the Ben-Or protocol in Lean. It cites a Google Trends spike and a talk by Will Wilson.

Interests and limits

Gavran is a formal methods practitioner and says so. The essay calls itself a fun exercise rather than a completely serious one. Nothing was measured or tested. It also notes that interest in verification may not become a regular part of engineering.