| wlar[n].status = used, apebs[n] = mkpeb(aehdr, avhdr, buf, m3, boolvar), vols[v0][m1] = ⌜n⌝ , vols[v1][m0] = ⌜n⌝ , avhdr = avidhdr(v1, m0, m2, m4, m5), avhdr.valid?, m0 < # vols[v1], n < # apebs, n < # wlar, m1 < # vols[v0], v0 ∈ vols, v1 ∈ 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, v0 = v1 |
wlar[n].status = used, apebs[n] = mkpeb(aehdr, avidhdr(v1, m0, m2, m4, m5), buf, m3, boolvar), vols[v0][m1] = ⌜n⌝ , vols[v1][m0] = ⌜n⌝ , m0 < # vols[v1], n < # apebs, n < # wlar, m1 < # vols[v0], v0 ∈ vols, v1 ∈ 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, v0 = v1
Used simplifier rules: ⊦ m < n → n ≠ 0; (s)%f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic% ⊦ avidhdr(v, m, m0, m1, m2).valid?; (s)