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Proof step 6 from proof valid-ebatbl-move-vtbl (previous step)

vols[v][m] = ⌜n⌝ ∧ v ∈ vols ∧ m < # vols[v] ↔ wlar[n].status = used ∧ n < # apebs ∧ n < # wlar ∧ apebs[n].vidhdr.valid? ∧ apebs[n].vidhdr.vol = v ∧ apebs[n].vidhdr.leb = m ∧ n ≠ n0, wlar[n1, wle][n0, wl-entry(m0, erasing)][n] = wl-entry(m3, stat), wlar[n1] = wl-entry(m1, free), apebs[n] = mkpeb(aehdr, avhdr, buf, m2, boolvar) ⊦ vols[v][m] = ⌜n⌝ ∧ v ∈ vols ∧ m < # vols[v] ↔ stat = used ∧ n < # apebs ∧ n < # wlar ∧ avhdr.valid? ∧ avhdr.vol = v ∧ avhdr.leb = m ∧ n ≠ n1

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 7:
vols[v][m] = ⌜n⌝ ∧ v ∈ vols ∧ m < # vols[v] ↔ wlar[n].status = used ∧ n < # apebs ∧ n < # wlar ∧ avhdr.valid? ∧ avhdr.vol = v ∧ avhdr.leb = m ∧ n ≠ n0, wlar[n1, wle][n0, wl-entry(m0, erasing)][n] = wl-entry(m3, stat), wlar[n1] = wl-entry(m1, free), apebs[n] = mkpeb(aehdr, avhdr, buf, m2, boolvar) ⊦ vols[v][m] = ⌜n⌝ ∧ v ∈ vols ∧ m < # vols[v] ↔ stat = used ∧ n < # apebs ∧ n < # wlar ∧ avhdr.valid? ∧ avhdr.vol = v ∧ avhdr.leb = m ∧ n ≠ n1

Rule argument

Additional information

Used simplifier rules: ⊦ mkpeb(aehdr, avhdr, buf, m, boolvar).vidhdr = avhdr; (s)