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Proof step 38 from proof synced-remap (previous step)

# lpt = # avol, m2 < # avol, awbuf-inv(avol, bleb), synced(avol), avol0 ↓ avol[m2, unmapped], ⌊err2⌋ ⊦ ⟨avol[m2] := unmapped⟩ (synced(avol) ∧ avol0 ↓ avol), ⟨skip⟩ (synced(avol) ∧ avol0 ↓ avol), buffered(m2) = bleb, avol0[m2] ↓ avol[m2]

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ synced(avol) → synced(avol[n, unmapped]); (s)