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Proof step 203 from proof wlar-erase-worker-helper (previous step)

wlar[n] = wl-entry(m0, stat0), apebs0[n] = mkpeb(aehdr, avhdr, buf, m1, false), apebs1[n] = mkpeb(aehdr1, avhdr1, buf1, m, false), apeb = mkpeb(aehdr2, avhdr2, buf2, m3, boolvar), ¬ boolvar, n < # wlar, n < # apebs1, n < # apebs0, ubi-io-peb-inv(apeb), ubi-io-peb-inv(mkpeb(aehdr0, avhdr0, buf0, m2, false)), vtblpnum1 ≤ UBI_ERASE_RETRIES, vtblpnum1 ≤ UBI_ERASE_RETRIES + 1, ⌊err2⌋ , ⌊err0⌋ ⊦ [debug#("ubi: erase of PEB " + n.toString + " failed"); vtblpnum := vtblpnum1 + 1] ( vtblpnum ≠ 0 ∧ vtblpnum ≤ UBI_ERASE_RETRIES + 1 ∧ (∃ stat1. wlar[n, wl-entry((wlar[n].ec + vtblpnum1) + 1, stat)] = wlar[n, wl-entry(wlar[n].ec + vtblpnum, stat1)])), err1 = ESUCCESS, vtblpnum1 = 0, avhdr2.valid?, avhdr0.valid?

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 204:
apebs1[n] = mkpeb(aehdr1, avhdr1, buf1, m, false), apebs0[n] = mkpeb(aehdr, avhdr, buf, m1, false), wlar[n] = wl-entry(m0, stat0), err1 ≠ ESUCCESS, vtblpnum1 ≠ 0, n < # apebs0, n < # apebs1, n < # wlar, ubi-io-peb-inv(mkpeb(aehdr0, avhdr0, buf0, m2, false)), ubi-io-peb-inv(mkpeb(aehdr2, avhdr2, buf2, m3, false)), vtblpnum1 ≤ UBI_ERASE_RETRIES + 1, vtblpnum1 ≤ UBI_ERASE_RETRIES, ⌊err0⌋ , ⌊err2⌋ , ¬ avhdr0.valid?, ¬ avhdr2.valid? ⊦ [debug#("ubi: erase of PEB " + n.toString + " failed"); vtblpnum := vtblpnum1 + 1] ( vtblpnum ≠ 0 ∧ vtblpnum ≤ UBI_ERASE_RETRIES + 1 ∧ (∃ stat1. wlar[n, wl-entry((wlar[n].ec + vtblpnum1) + 1, stat)] = wlar[n, wl-entry(wlar[n].ec + vtblpnum, stat1)]))

Proof step 203 from proof wlar-erase-worker-helper (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information