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Proof step 119 from proof wlar-erase-worker-helper (previous step)

apebs0[n] = mkpeb(aehdr0, avhdr, buf, m1, false), wlar[n] = wl-entry(m0, stat0), vtblpnum = n, n < # apebs0, n < # wlar, ⌊err0⌋ ⊦ [if ubi-io-markbad-pre(vtblpnum, apebs) then {fail_or_success#(; ; err); if err = ESUCCESS then apebs[vtblpnum].bad := true} else abort; wlar1 := wlar[n, wl-entry(wlar[n].ec + UBI_ERASE_RETRIES + 1, stat)]; if err = ESUCCESS then wlar1[n] := wl-entry(wlar1[n].ec, erroneous) else debug#("ubi: marking PEB " + n.toString + " as bad failed")] ∃ m, stat. m ≠ 0 ∧ m ≤ UBI_ERASE_RETRIES + 1 ∧ wlar1 = wlar[n, wl-entry(m0 + m, stat)], err1 = ESUCCESS, aehdr.valid?

Heuristic conditional right split applied rule if right

And obtained the following new goals

Rule argument

pos: right 1

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