[Imprint][Data Privacy Statement][E-Mail]



View long theorem info. View the proof. Back to main index. View the specification. View theorem base summary, View theorem base listing, the used properties by spec, the dependency list, the symbol table,

Proof step 21 from proof inv-write (previous step)

# apebs = # wlar, wlar[m0] = wl-entry(m1, used), apebs[m0] = mkpeb(aehdr, avhdr, buf1, m, false), vols[v][vtblpnum4] = ⌜m0⌝ , m0 ≠ vtblpnum, n ≠ 0, vtblpnum4 < # vols[v], m0 < # wlar, bflipset-cons(bflipset, wlar), is-aligned(vtblpnum3, EB_PAGE_SIZE), is-aligned(n, EB_PAGE_SIZE), ubi-io-inv(apebs), ubi-io-peb-inv(mkpeb(aehdr, avhdr, buf1, m, false)), unique-sqns(apebs), valid-ebatbl(apebs, wlar, vols, vtblpnum), valid-eraseq(apebs, q), valid-eraseq(wlar, q), valid-eraseq(q), valid-global-sqn(apebs, sqnum), valid-peb(mkpeb(aehdr, avhdr, buf1, m, false)), valid-peb(v, vtblpnum4, mkpeb(aehdr, avhdr, buf1, m, false)), valid-vtbl(apebs, vols, wlar, vtblpnum), valid-wl(apebs, wlar), v ∈ vols, vtblpnum3 + n ≤ LEB_SIZE, n0 + n ≤ # buf, m ≤ vtblpnum3, ¬ m0 ∈ q, ¬ VTBL_VOLID ∈ vols, ¬ vtblpnum ∈ q ⊦ [aubi_io_write_data#(m0, vtblpnum3, n0, n, buf; apebs; err)] ( # apebs = # wlar ∧ unique-sqns(apebs) ∧ valid-global-sqn(apebs, sqnum) ∧ valid-wl(apebs, wlar) ∧ valid-eraseq(apebs, q) ∧ valid-ebatbl(apebs, wlar, vols, vtblpnum) ∧ valid-vtbl(apebs, vols, wlar, vtblpnum) ∧ ubi-io-inv(apebs) → ⟪if err ≠ ESUCCESS then {debug#("ubi: failed to write to PEB " + m0.toString); let buf1 = mkbuf(vtblpnum3 + n), bitflips = ? in {aubi_io_read_data#(m0, 0, 0, vtblpnum3, apebs; buf1; bitflips, err); if err = ESUCCESS then {buf1 := copy(buf, n0, buf1, vtblpnum3, n); debug#("ubi: moving data from PEB " + m0.toString); ubi_change#(v, vtblpnum4, vtblpnum3 + n, buf1, EB_PAGE_SIZE; vols, wlar, q, bflipset, vtblpnum, sqnum, apebs; err)} else debug#("ubi: failed to read data from PEB " + m0.toString)}}⟫ ( # apebs = # wlar ∧ unique-sqns(apebs) ∧ valid-global-sqn(apebs, sqnum) ∧ valid-wl(apebs, wlar) ∧ valid-eraseq(q) ∧ valid-eraseq(wlar, q) ∧ valid-eraseq(apebs, q) ∧ ¬ VTBL_VOLID ∈ vols ∧ bflipset-cons(bflipset, wlar) ∧ valid-ebatbl(apebs, wlar, vols, vtblpnum) ∧ valid-vtbl(apebs, vols, wlar, vtblpnum) ∧ ubi-io-inv(apebs)))

User applied rule skip call

And obtained the following new goals

Rule argument

pos: right 1

Additional information