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Danila Fedorin 739fbb503c Lean migration: Phase 6 (forward analysis framework)

- Spa.Analysis.Forward.Lattices: VariableValues/StateVariables (FiniteMap
  instantiations), fixed heights, variablesAt, joinForKey/joinAll, interpV
  and its sup/foldr lemmas
- Spa.Analysis.Forward.Evaluation: StmtEvaluator/ExprEvaluator + validity
  (the Agda Valid* instance records become plain Props)
- Spa.Analysis.Forward.Adapters: expr-to-stmt evaluator adapter + validity
- Spa.Analysis.Forward: updateAll, analyze, result (least fixpoint via the
  gas-based Fixedpoint), walkTrace, analyze_correct — the framework's main
  soundness theorem

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

2026-06-09 20:14:53 -07:00

.claude

Lean migration: Phase 5 (language, CFGs, traces, Program)

2026-06-09 19:30:42 -07:00

Analysis

Move proof of least element into FiniteHeightLattice

2025-07-26 13:16:22 +02:00

Language

Fix broken code by moving fins to utils

2026-02-16 19:33:56 -08:00

Lattice

Require bottom element to actually be bottom; finish proof