[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 154 from proof inv-format (previous step)

# wlar = # apebs0, apebs = apebs0, err = ESUCCESS, n = # apebs, n = # apebs0, vtblpnum1 = n, vtblpnum3 = 0, wlar0 = mkwlarray(n), ubi-io-initial(apebs0), vtblpnum ≤ # apebs0, err0 = ESUCCESS → ubi-io-initial(apebs0) ∧ vtblpnum2 ≤ # apebs0 ∧ (∀ n3. n3 < vtblpnum → (apebs0[n3].bad → wlar[n3] = wl-entry(0, erroneous)) ∧ (¬ apebs0[n3].bad → apebs0[n3].echdr.valid? ∧ wlar[n3] = wl-entry(apebs0[n3].echdr.ec, free) ∧ apebs0[n3].vidhdr = empty)) ∧ (vtblpnum2 ≠ # apebs0 → ¬ apebs0[vtblpnum2].bad), err0 = ESUCCESS ∨ ⌊err0⌋ ⊦ ⟪vtblpnum1 := LEB_SIZE; if err0 = ESUCCESS then if vtblpnum2 = n then err0 := ENOSPC else {aubi_io_write_vidhdr#(vtblpnum2, avidhdr(VTBL_VOLID, VTBL_LNUM, 0, 0, 0); apebs0; err0); if err0 = ESUCCESS then if vtblpnum1 < ENCODED_NAT_SIZE then err0 := ENOSPC else let buf = mkbuf(vtblpnum1), vtbl = ∅ in {encode_vtbl#(; vtbl, buf; err0); if err0 = ESUCCESS then aubi_io_write_data#(vtblpnum2, 0, 0, vtblpnum1, buf; apebs0; err0)}; vols := ∅; wlar[vtblpnum2] := wl-entry(wlar[vtblpnum2].ec, used); q := []; sqnum := 1; bflipset := ∅}⟫ ( ( err0 = ESUCCESS → # apebs0 = # wlar ∧ unique-sqns(apebs0) ∧ valid-global-sqn(apebs0, sqnum) ∧ valid-wl(apebs0, wlar) ∧ valid-eraseq(q) ∧ valid-eraseq(wlar, q) ∧ valid-eraseq(apebs0, q) ∧ ¬ VTBL_VOLID ∈ vols ∧ bflipset-cons(bflipset, wlar) ∧ valid-ebatbl(apebs0, wlar, vols, vtblpnum2) ∧ valid-vtbl(apebs0, vols, wlar, vtblpnum2) ∧ vtblpnum1 = LEB_SIZE ∧ ubi-io-inv(apebs0)) ∧ (err0 = ESUCCESS ∨ ⌊err0⌋ ) ∧ (err0 = ESUCCESS → vols = ∅)), vtblpnum < n ∧ err0 = ESUCCESS

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information