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Proof step 226 from proof wlar-erase-worker-helper (previous step)

wlar[n] = wl-entry(m0, stat0), apebs0[n] = mkpeb(aehdr, avhdr, buf, m1, false), err0 ≠ ESUCCESS, n < # wlar, n < # apebs0, ubi-io-peb-inv(mkpeb(aehdr0, avhdr0, buf0, m2, false)), ⌊err⌋ , ¬ avhdr0.valid? ⊦ [aubi_io_markbad#(n; apebs; err0); wlar1 := wlar[n, wl-entry(wlar[n].ec + UBI_ERASE_RETRIES + 1, stat)]; if err0 = 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)]

Heuristic nonrecursive calls applied rule call right

And obtained the following new goals

Proof step 227:
apebs0[n] = mkpeb(aehdr, avhdr, buf, m1, false), wlar[n] = wl-entry(m0, stat0), vtblpnum = n, n < # apebs0, n < # wlar, ubi-io-peb-inv(mkpeb(aehdr0, avhdr0, buf0, m2, false)), ⌊err⌋ ⊦ [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)], err0 = ESUCCESS, avhdr0.valid?

Rule argument

pos: right 1

Additional information

Used simplifier rules: aubi_io_markbad#(PNUM; APEBS; ERR) {if ubi-io-markbad-pre(PNUM, APEBS) then {fail_or_success#(; ; ERR); if ERR = ESUCCESS then APEBS[PNUM].bad := true} else abort };