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Proof step 16 from proof inv-unmap (previous step)

# apebs = # wlar, vols[v][vtblpnum0] = ⌜m⌝ , wlar[m] = wl-entry(m0, used), lref = v × vtblpnum0, vtblpnum = m, m < # wlar, vtblpnum0 < # vols[v], bflipset-cons(bflipset, wlar), unique-sqns(apebs), valid-ebatbl(apebs, wlar, vols, vtblpnum1), valid-eraseq(q), valid-eraseq(wlar, q), valid-eraseq(apebs, q), valid-global-sqn(apebs, sqnum), valid-peb(v, vtblpnum0, apebs[m]), valid-vtbl(apebs, vols, wlar, vtblpnum1), valid-wl(apebs, wlar), v ∈ vols ⊦ ⟪wlar[vtblpnum].status := erasing; q := q + eq-entry(vtblpnum, lref)⟫ ( # apebs = # wlar ∧ valid-wl(apebs, wlar) ∧ valid-eraseq(q) ∧ valid-eraseq(wlar, q) ∧ valid-eraseq(apebs, q) ∧ bflipset-cons(bflipset -- m, wlar) ∧ valid-ebatbl(apebs, wlar, vols[v, vols[v][vtblpnum0, unmapped]], vtblpnum1) ∧ valid-vtbl(apebs, vols, wlar, vtblpnum1)), m = vtblpnum1, VTBL_VOLID ∈ vols, vtblpnum1 ∈ q, m ∈ q

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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