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Proof step 323 from proof wlar-erase-worker-helper (previous step)

apebs0[n] = mkpeb(aehdr, avhdr, buf, m1, false), wlar[n] = wl-entry(m0, stat0), vtblpnum = 1, vtblpnum0 = n, wlar0 = wlar[n, wlar[n].ec:= (wlar[n].ec + 1)], n < # apebs0, n < # wlar, id○(wlar, wlar1, n), vtblpnum1 ≤ UBI_ERASE_RETRIES + 1, ⌊err⌋ , ∃ stat. wlar1 = wlar[n, wl-entry(wlar[n].ec + vtblpnum1, stat)] ⊦ [if err0 = ESUCCESS then wlar1[vtblpnum0] := wl-entry(wlar1[vtblpnum0].ec, free) else {aubi_io_markbad#(vtblpnum0; apebs; err0); if err0 = ESUCCESS then wlar1[vtblpnum0] := wl-entry(wlar1[vtblpnum0].ec, erroneous) else debug#("ubi: marking PEB " + vtblpnum0.toString + " as bad failed")}] ∃ m, stat. m ≠ 0 ∧ m ≤ UBI_ERASE_RETRIES + 1 ∧ wlar1 = wlar[n, wl-entry(m0 + m, stat)], vtblpnum1 = 0, err0 ≠ ESUCCESS ∧ vtblpnum1 ≤ UBI_ERASE_RETRIES

Heuristic conditional right split applied rule if right

And obtained the following new goals

Rule argument

pos: right 1

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