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Analyze the V3 targeted confirmation failures - #3530

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Analyze the V3 targeted confirmation failures#3530
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@joshlf

@joshlf joshlf commented Aug 3, 2026

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Perform a post-result qualitative analysis without changing the official V3
decision. Trace each miss back to the proof structure that produced it rather
than adding a checklist of fixture-specific mistakes.

The configuration failures omit the semantics of combinators such as all and
not, then assert closure of the resulting product or complement. The
exact-domain failures compress an ordered, fallible build into an endpoint
mapping and therefore cannot reconstruct which intermediate states are
reachable. Several reports state that two sets are incomparable without giving
both separating witnesses. One otherwise-correct report omits authority for
the usize domain. Another seeks a maximal bad-input remainder even though one
complete existential witness is sufficient for UNSOUND.

These observations explain why Required/Covered and verdict certificates were
necessary but not sufficient: the representation still allowed lossy summaries
to masquerade as exact derivations. They motivate V4's explicit case domains
and fibers, set-relation certificates, staged construction relations,
reversible transformations, and demand-driven counterexample scope. Keep these
as general proof obligations rather than embedding the evaluated fixtures in
the runtime skill.

Agent-Authored-By: AI agent acting on Josh Liebow-Feeser's behalf


This PR is on branch codex/unsafe-rust-stack.

Latest Update: v17 — Compare vs v16

📚 Full Patch History

Links show the diff between the row version and the column version.

Version v16 v15 v14 v13 v12 v11 v10 v9 v8 v7 v6 v5 v4 v3 v2 v1 Base
v17 v16 v15 v14 v13 v12 v11 v10 v9 v8 v7 v6 v5 v4 v3 v2 v1 Base
v16 v15 v14 v13 v12 v11 v10 v9 v8 v7 v6 v5 v4 v3 v2 v1 Base
v15 v14 v13 v12 v11 v10 v9 v8 v7 v6 v5 v4 v3 v2 v1 Base
v14 v13 v12 v11 v10 v9 v8 v7 v6 v5 v4 v3 v2 v1 Base
v13 v12 v11 v10 v9 v8 v7 v6 v5 v4 v3 v2 v1 Base
v12 v11 v10 v9 v8 v7 v6 v5 v4 v3 v2 v1 Base
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v10 v9 v8 v7 v6 v5 v4 v3 v2 v1 Base
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v7 v6 v5 v4 v3 v2 v1 Base
v6 v5 v4 v3 v2 v1 Base
v5 v4 v3 v2 v1 Base
v4 v3 v2 v1 Base
v3 v2 v1 Base
v2 v1 Base
v1 Base
⬇️ Download this PR

Branch

git fetch origin refs/heads/Glzlcl663nbggljjqi64x7gs3yyw5b7ys && git checkout -b pr-Glzlcl663nbggljjqi64x7gs3yyw5b7ys FETCH_HEAD

Checkout

git fetch origin refs/heads/Glzlcl663nbggljjqi64x7gs3yyw5b7ys && git checkout FETCH_HEAD

Cherry Pick

git fetch origin refs/heads/Glzlcl663nbggljjqi64x7gs3yyw5b7ys && git cherry-pick FETCH_HEAD

Pull

git pull origin refs/heads/Glzlcl663nbggljjqi64x7gs3yyw5b7ys

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codecov-commenter commented Aug 29, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.85%. Comparing base (cb33b77) to head (ad171d1).

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #3530   +/-   ##
=======================================
  Coverage   91.85%   91.85%           
=======================================
  Files          20       20           
  Lines        6093     6093           
=======================================
  Hits         5597     5597           
  Misses        496      496           

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Perform a post-result qualitative analysis without changing the official V3
decision. Trace each miss back to the proof structure that produced it rather
than adding a checklist of fixture-specific mistakes.

The configuration failures omit the semantics of combinators such as all and
not, then assert closure of the resulting product or complement. The
exact-domain failures compress an ordered, fallible build into an endpoint
mapping and therefore cannot reconstruct which intermediate states are
reachable. Several reports state that two sets are incomparable without giving
both separating witnesses. One otherwise-correct report omits authority for
the usize domain. Another seeks a maximal bad-input remainder even though one
complete existential witness is sufficient for UNSOUND.

These observations explain why Required/Covered and verdict certificates were
necessary but not sufficient: the representation still allowed lossy summaries
to masquerade as exact derivations. They motivate V4's explicit case domains
and fibers, set-relation certificates, staged construction relations,
reversible transformations, and demand-driven counterexample scope. Keep these
as general proof obligations rather than embedding the evaluated fixtures in
the runtime skill.

gherrit-pr-id: Glzlcl663nbggljjqi64x7gs3yyw5b7ys
Agent-Authored-By: AI agent acting on Josh Liebow-Feeser's behalf
@joshlf
joshlf force-pushed the Glzlcl663nbggljjqi64x7gs3yyw5b7ys branch from 65b815a to ad171d1 Compare September 3, 2026 04:06
@joshlf
joshlf enabled auto-merge September 3, 2026 04:07
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