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Proof step 438 from proof refine-write (previous step)

# apebs = # wlar, buf0 = buf, vtblpnum = vtblpnum4, vtblpnum0 = EB_PAGE_SIZE, vtblpnum1 = vtblpnum5, vtblpnum2 = vtblpnum3, vtblpnum3 < # avols[v], vtblpnum2 < # vols[v], abs(avols, apebs, vols, q), bflipset-cons(bflipset, wlar), ebm-cons(avols), is-aligned(vtblpnum5, EB_PAGE_SIZE), is-aligned(n, EB_PAGE_SIZE), is-aligned(vtblpnum1, EB_PAGE_SIZE), ubi-io-inv(apebs), unique-sqns(apebs), valid-ebatbl(apebs, wlar, vols, vtblpnum4), valid-eraseq(q), valid-eraseq(wlar, q), valid-eraseq(apebs, q), valid-global-sqn(apebs, sqnum), valid-vtbl(apebs, vols, wlar, vtblpnum4), valid-wl(apebs, wlar), v ∈ avols, v ∈ vols, vtblpnum5 + n ≤ LEB_SIZE, n + n0 ≤ # buf, n0 + n ≤ # buf0, vtblpnum1 + n ≤ LEB_SIZE, avols[v][vtblpnum3].mapped? → avols[v][vtblpnum3].fill ≤ vtblpnum5, v ∈ vols → v ∈ vols ∧ ( vtblpnum2 < # vols[v] → vtblpnum1 + n ≤ LEB_SIZE → n0 + n ≤ # buf0 → is-aligned(n, EB_PAGE_SIZE) → is-aligned(vtblpnum1, EB_PAGE_SIZE) → (vtblpnum2 < # vols[v] ∧ v ∈ vols) ∧ ( vols[v][vtblpnum2] ≠ unmapped → vols[v][vtblpnum2].pnum < # apebs ∧ vols[v][vtblpnum2] ≠ unmapped ∧ vtblpnum2 < # vols[v] ∧ v ∈ vols)), vols[v][vtblpnum2] ≠ unmapped → apebs[vols[v][vtblpnum2].pnum].fill ≤ vtblpnum1 ⊦ VTBL_VOLID ∈ vols, vtblpnum2 < # vols[v] ∧ v ∈ vols

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: c: ⊦ m + n = n + m; from specification nat-basic%⊦ v ∈ avols ∧ m < # avols[v] ∧ abs(avols, apebs, vols, q) → m < # vols[v]; (ss)% ⊦ v ∈ avols ∧ abs(avols, apebs, vols, q) → v ∈ vols; (ss)