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Proof step 100 from proof wlar-erase-worker-helper (previous step)

wlar[n] = wl-entry(m0, stat0), apebs0[n] = mkpeb(aehdr0, avhdr, buf, m1, false), apebs1[n] = mkpeb(aehdr1, avhdr0, buf0, m, false), n < # wlar, n < # apebs1, n < # apebs0, ubi-io-peb-inv(mkpeb(aehdr2, avhdr1, buf1, m2, false)), vtblpnum1 ≤ UBI_ERASE_RETRIES, vtblpnum1 ≤ UBI_ERASE_RETRIES + 1, ⌊err2⌋ , ⌊err0⌋ ⊦ err1 = ESUCCESS, vtblpnum1 = 0, avhdr1.valid?, aehdr.valid?, vtblpnum1 + 1 ≠ 0 ∧ vtblpnum1 + 1 ≤ UBI_ERASE_RETRIES + 1 ∧ (∃ stat1. wlar[n, wl-entry((wlar[n].ec + vtblpnum1) + 1, stat)] = wlar[n, wl-entry(wlar[n].ec + vtblpnum1 + 1, stat1)])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 101:
wlar[n] = wl-entry(m0, stat0), apebs0[n] = mkpeb(aehdr0, avhdr, buf, m1, false), apebs1[n] = mkpeb(aehdr1, avhdr0, buf0, m, false), n < # wlar, n < # apebs1, n < # apebs0, ubi-io-peb-inv(mkpeb(aehdr2, avhdr1, buf1, m2, false)), vtblpnum1 ≤ UBI_ERASE_RETRIES, vtblpnum1 ≤ UBI_ERASE_RETRIES + 1, ⌊err2⌋ , ⌊err0⌋ ⊦ err1 = ESUCCESS, vtblpnum1 = 0, avhdr1.valid?, aehdr.valid?, ∃ stat1. wlar[n, wl-entry(m0 + vtblpnum1 + 1, stat)] = wlar[n, wl-entry(m0 + vtblpnum1 + 1, stat1)]

Rule argument

Additional information

Used simplifier rules: ⊦ wl-entry(m, stat).ec = m; (s)% ⊦ n ≤ n0 ∧ n1 ≤ m → n + n1 ≤ n0 + m; (s)%c: ⊦ m + n = n + m; from specification nat-basic%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic% ⊦ m + 1 ≠ 0; (s)