[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 16 from proof prepost-erase-worker-helper (previous step)

# wlar = # wlar0, # apebs = # wlar0, # apebs0 = # wlar0, UBI_ERASE_RETRIES = n0 + vtblpnum2, wlar[m] = wl-entry(m1, erasing), wlar0[m] = wl-entry(m0, erasing), err ≠ ESUCCESS, vtblpnum1 ≠ m, m < # wlar0, bflipset-cons(bflipset, wlar), bflipset-cons(bflipset, wlar0), id○(wlar, wlar0, m), id○(apebs, apebs0, m), ubi-io-inv(apebs), ubi-io-inv(apebs0), unique-sqns(apebs), unique-sqns(apebs0), valid-ebatbl(apebs, wlar, vols, vtblpnum1), valid-ebatbl(apebs0, wlar0, vols, vtblpnum1), valid-eraseq(apebs, q0 + eq-entry(m, lref) ' + q1), valid-eraseq(wlar, q0 + eq-entry(m, lref) ' + q1), valid-eraseq(apebs0, q0 + eq-entry(m, lref) ' + q1), valid-eraseq(wlar0, q0 + eq-entry(m, lref) ' + q1), valid-eraseq(q0 + eq-entry(m, lref) ' + q1), valid-global-sqn(apebs, sqnum), valid-global-sqn(apebs0, sqnum), valid-vtbl(apebs, vols, wlar, vtblpnum1), valid-vtbl(apebs0, vols, wlar0, vtblpnum1), valid-wl(apebs, wlar), valid-wl(apebs0, wlar0), vtblpnum2 ≤ UBI_ERASE_RETRIES + 1, vtblpnum2 ≤ UBI_ERASE_RETRIES, ¬ VTBL_VOLID ∈ vols, ¬ vtblpnum1 ∈ q0, ¬ vtblpnum1 ∈ q1 ⊦ ⟪aubi_io_sync_erase#(m; apebs; err); wlar[m].ec := wlar[m].ec + 1; if err = ESUCCESS then aubi_io_write_echdr#(m, aechdr(wlar[m].ec); apebs; err) else debug#("ubi: erase of PEB " + m.toString + " failed"); vtblpnum := vtblpnum2 + 1⟫ ( vtblpnum ≤ UBI_ERASE_RETRIES + 1 ∧ m < # apebs ∧ id○(apebs, apebs0, m) ∧ id○(wlar, wlar0, m) ∧ # apebs = # wlar ∧ unique-sqns(apebs) ∧ valid-global-sqn(apebs, sqnum) ∧ valid-wl(apebs, wlar) ∧ valid-eraseq(wlar, q0 + eq-entry(m, lref) ' + q1) ∧ valid-eraseq(apebs, q0 + eq-entry(m, lref) ' + q1) ∧ bflipset-cons(bflipset, wlar) ∧ valid-ebatbl(apebs, wlar, vols, vtblpnum1) ∧ valid-vtbl(apebs, vols, wlar, vtblpnum1) ∧ ubi-io-inv(apebs) ∧ (err = ESUCCESS → apebs[m].echdr = aechdr(wlar[m].ec) ∧ apebs[m].vidhdr = empty ∧ ¬ apebs[m].bad) ∧ UBI_ERASE_RETRIES < n0 + vtblpnum)

User applied rule insert program lemma

And obtained the following new goals

Rule argument

spec: aubi-io-asm name: inv-sync-erase seq: ubi-io-inv(apebs), ubi-io-erase-pre(n, apebs) ⊦ ⟪aubi_io_sync_erase#(n; apebs; err)⟫ ubi-io-inv(apebs) subst: [n, apebs, err] → [m, apebs, err] flags: <all paths>

Additional information