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Proof step 18 from proof prepost-erase-worker-helper (previous step)

# apebs0 = # wlar0, # apebs = # wlar0, # wlar = # wlar0, UBI_ERASE_RETRIES = n0 + vtblpnum2, wlar0[m] = wl-entry(m0, erasing), wlar[m] = wl-entry(m1, erasing), m < # wlar0, bflipset-cons(bflipset, wlar0), bflipset-cons(bflipset, wlar), id○(apebs, apebs0, m), id○(wlar, wlar0, m), ubi-io-inv(apebs0), ubi-io-inv(apebs), unique-sqns(apebs0), unique-sqns(apebs), valid-ebatbl(apebs0, wlar0, vols, vtblpnum1), valid-ebatbl(apebs, wlar, vols, vtblpnum1), valid-eraseq(q0 + eq-entry(m, lref) ' + q1), valid-eraseq(wlar0, q0 + eq-entry(m, lref) ' + q1), valid-eraseq(apebs0, q0 + eq-entry(m, lref) ' + q1), valid-eraseq(wlar, q0 + eq-entry(m, lref) ' + q1), valid-eraseq(apebs, q0 + eq-entry(m, lref) ' + q1), valid-global-sqn(apebs0, sqnum), valid-global-sqn(apebs, sqnum), valid-vtbl(apebs0, vols, wlar0, vtblpnum1), valid-vtbl(apebs, vols, wlar, vtblpnum1), valid-wl(apebs0, wlar0), valid-wl(apebs, wlar), vtblpnum2 ≤ UBI_ERASE_RETRIES, vtblpnum2 ≤ UBI_ERASE_RETRIES + 1 ⊦ err = ESUCCESS, vtblpnum1 = m, VTBL_VOLID ∈ vols, vtblpnum1 ∈ q0, vtblpnum1 ∈ q1, ubi-io-inv(apebs) ∧ ubi-io-erase-pre(m, apebs)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 19:
# apebs0 = # wlar0, # apebs = # wlar0, # wlar = # wlar0, UBI_ERASE_RETRIES = n0 + vtblpnum2, wlar0[m] = wl-entry(m0, erasing), wlar[m] = wl-entry(m1, erasing), apebs[m].bad, m < # wlar0, bflipset-cons(bflipset, wlar0), bflipset-cons(bflipset, wlar), id○(apebs, apebs0, m), id○(wlar, wlar0, m), ubi-io-inv(apebs0), ubi-io-inv(apebs), unique-sqns(apebs0), unique-sqns(apebs), valid-ebatbl(apebs0, wlar0, vols, vtblpnum1), valid-ebatbl(apebs, wlar, vols, vtblpnum1), valid-eraseq(q0 + eq-entry(m, lref) ' + q1), valid-eraseq(wlar0, q0 + eq-entry(m, lref) ' + q1), valid-eraseq(apebs0, q0 + eq-entry(m, lref) ' + q1), valid-eraseq(wlar, q0 + eq-entry(m, lref) ' + q1), valid-eraseq(apebs, q0 + eq-entry(m, lref) ' + q1), valid-global-sqn(apebs0, sqnum), valid-global-sqn(apebs, sqnum), valid-vtbl(apebs0, vols, wlar0, vtblpnum1), valid-vtbl(apebs, vols, wlar, vtblpnum1), valid-wl(apebs0, wlar0), valid-wl(apebs, wlar), vtblpnum2 ≤ UBI_ERASE_RETRIES, vtblpnum2 ≤ UBI_ERASE_RETRIES + 1 ⊦ err = ESUCCESS, vtblpnum1 = m, VTBL_VOLID ∈ vols, vtblpnum1 ∈ q0, vtblpnum1 ∈ q1

Rule argument

Additional information

Used simplifier rules: ⊦ ubi-io-erase-pre(n, apebs) ↔ n < # apebs ∧ ¬ apebs[n].bad; (s)