| wlar[n2] = wl-entry(m8, used), wlar[n] = wl-entry(m9, stat0), apebs[n2] = mkpeb(aehdr0, avidhdr(v0, m0, m1, m2, m10), buf0, m7, boolvar0), apebs[n] = mkpeb(aehdr, avidhdr(v0, m0, m3, m4, m5), buf, m6, boolvar), vols[v0][m0] = ⌜n1⌝ , apebs[n1] = mkpeb(aehdr1, avidhdr(v0, m0, m11, m12, m13), buf1, m14, boolvar1), wlar[n1] = wl-entry(m15, stat), stat = used, n2 < # wlar, n2 < # apebs, n < # wlar, n < # apebs, n1 < # apebs, n1 < # wlar, m0 < # vols[v0], v0 ∈ vols, ∀ v, m, n1. vols[v][m] = ⌜n1⌝ ∧ v ∈ vols ∧ m < # vols[v] ↔ wlar[n1].status = used ∧ n1 < # apebs ∧ n1 < # wlar ∧ apebs[n1].vidhdr.valid? ∧ apebs[n1].vidhdr.vol = v ∧ apebs[n1].vidhdr.leb = m ∧ n1 ≠ n0 ⊦ n = n0, n1 = n0, n2 = n0, n2 = n1, n2 = n, stat0 = used |
wlar[n1] = wl-entry(m15, used), apebs[n1] = mkpeb(aehdr1, avidhdr(v0, m0, m11, m12, m13), buf1, m14, boolvar1), vols[v0][m0] = ⌜n1⌝ , apebs[n] = mkpeb(aehdr, avidhdr(v0, m0, m3, m4, m5), buf, m6, boolvar), apebs[n2] = mkpeb(aehdr0, avidhdr(v0, m0, m1, m2, m10), buf0, m7, boolvar0), wlar[n] = wl-entry(m9, stat0), wlar[n2] = wl-entry(m8, used), m0 < # vols[v0], n1 < # wlar, n1 < # apebs, n < # apebs, n < # wlar, n2 < # apebs, n2 < # wlar, v0 ∈ vols, ∀ v, m, n1. vols[v][m] = ⌜n1⌝ ∧ v ∈ vols ∧ m < # vols[v] ↔ wlar[n1].status = used ∧ n1 < # apebs ∧ n1 < # wlar ∧ apebs[n1].vidhdr.valid? ∧ apebs[n1].vidhdr.vol = v ∧ apebs[n1].vidhdr.leb = m ∧ n1 ≠ n0 ⊦ n = n0, n1 = n0, n2 = n, n2 = n1, n2 = n0, stat0 = used