Start end-to-end proof of correctness
Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>
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@ -80,6 +80,7 @@ module WithProg (prog : Program) where
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renaming
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( FiniteMap to StateVariables
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; isLattice to isLatticeᵐ
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; _≈_ to _≈ᵐ_
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; _∈k_ to _∈kᵐ_
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; locate to locateᵐ
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; _≼_ to _≼ᵐ_
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@ -92,6 +93,11 @@ module WithProg (prog : Program) where
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renaming
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( isFiniteHeightLattice to isFiniteHeightLatticeᵐ
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)
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open IsFiniteHeightLattice isFiniteHeightLatticeᵐ
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using ()
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renaming
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( ≈-sym to ≈ᵐ-sym
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)
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≈ᵐ-dec = ≈ᵛ-dec⇒≈ᵐ-dec ≈ᵛ-dec
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fixedHeightᵐ = IsFiniteHeightLattice.fixedHeight isFiniteHeightLatticeᵐ
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@ -107,6 +113,9 @@ module WithProg (prog : Program) where
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variablesAt : State → StateVariables → VariableValues
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variablesAt s sv = proj₁ (locateᵐ {s} {sv} (states-in-Map s sv))
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variablesAt-≈ : ∀ s sv₁ sv₂ → sv₁ ≈ᵐ sv₂ → variablesAt s sv₁ ≈ᵛ variablesAt s sv₂
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variablesAt-≈ = {!!}
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-- build up the 'join' function, which follows from Exercise 4.26's
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--
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-- L₁ → (A → L₂)
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@ -270,3 +279,14 @@ module WithProg (prog : Program) where
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updateAll-matches : ∀ {s sv ρ₁ ρ₂} → ρ₁ , (code s) ⇒ᵇˢ ρ₂ → ⟦ variablesAt s sv ⟧ᵛ ρ₁ → ⟦ variablesAt s (updateAll sv) ⟧ᵛ ρ₂
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updateAll-matches {s} {sv} ρ₁,bss⇒ρ₂ ⟦vs⟧ρ₁ rewrite variablesAt-updateAll s sv =
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updateVariablesForState-matches {s} {sv} ρ₁,bss⇒ρ₂ ⟦vs⟧ρ₁
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walkTrace : ∀ {s₁ s₂ ρ₁ ρ₂} → ⟦ joinForKey s₁ result ⟧ᵛ ρ₁ → Trace {graph} s₁ s₂ ρ₁ ρ₂ → ⟦ variablesAt s₂ result ⟧ᵛ ρ₂
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walkTrace {s₁} {s₁} {ρ₁} {ρ₂} ⟦joinForKey-s₁⟧ρ₁ (Trace-single ρ₁,bss⇒ρ₂) =
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let
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-- I'd use rewrite, but Agda gets a memory overflow (?!).
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⟦joinAll-result⟧ρ₁ = subst (λ vs → ⟦ vs ⟧ᵛ ρ₁) (sym (variablesAt-joinAll s₁ result)) ⟦joinForKey-s₁⟧ρ₁
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⟦analyze-result⟧ρ₂ = updateAll-matches {sv = joinAll result} ρ₁,bss⇒ρ₂ ⟦joinAll-result⟧ρ₁
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analyze-result≈result = ≈ᵐ-sym {result} {updateAll (joinAll result)} result≈analyze-result
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analyze-s₁≈s₁ = variablesAt-≈ s₁ (updateAll (joinAll result)) result (analyze-result≈result)
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in
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⟦⟧ᵛ-respects-≈ᵛ {variablesAt s₁ (updateAll (joinAll result))} {variablesAt s₁ result} (analyze-s₁≈s₁) ρ₂ ⟦analyze-result⟧ρ₂
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@ -2,6 +2,7 @@ module Language where
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open import Language.Base public
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open import Language.Semantics public
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open import Language.Traces public
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open import Language.Graphs public
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open import Language.Properties public
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