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Proof step 21 from proof refine-unmap (previous step)

# apebs = # wlar, unmapped = vols[v][vtblpnum], vtblpnum < # vols[v], vtblpnum < # avols[v], abs(avols, apebs, vols, q), bflipset-cons(bflipset, wlar), ebm-cons(avols), ubi-io-inv(apebs), 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-vtbl(apebs, vols, wlar, vtblpnum1), valid-wl(apebs, wlar), v ∈ vols, v ∈ avols, ¬ avols[v][vtblpnum].mapped?, ¬ VTBL_VOLID ∈ vols ⊦ ⟨ebm_unmap#(v, vtblpnum; avols)⟩ abs(avols, apebs, vols, q)

Heuristic weak unfold applied rule call right

And obtained the following new goals

Proof step 22:
# apebs = # wlar, unmapped = vols[v][vtblpnum], vtblpnum < # avols[v], vtblpnum < # vols[v], abs(avols, apebs, vols, q), bflipset-cons(bflipset, wlar), ebm-cons(avols), ubi-io-inv(apebs), unique-sqns(apebs), valid-ebatbl(apebs, wlar, vols, vtblpnum1), valid-eraseq(apebs, q), valid-eraseq(wlar, q), valid-eraseq(q), valid-global-sqn(apebs, sqnum), valid-vtbl(apebs, vols, wlar, vtblpnum1), valid-wl(apebs, wlar), v ∈ avols, v ∈ vols ⊦ ⟨if v ∈ avols ∧ vtblpnum < # avols[v] then avols[v][vtblpnum] := unmapped else abort⟩ abs(avols, apebs, vols, q), avols[v][vtblpnum].mapped?, VTBL_VOLID ∈ vols

Rule argument

pos: right 1

Additional information

Used simplifier rules: ebm_unmap#(VOLID, LNUM; AVOLS) {if VOLID ∈ AVOLS ∧ LNUM < # AVOLS[VOLID] then AVOLS[VOLID][LNUM] := unmapped else abort };