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Proof step 30 from proof refine-markbad (previous step)

pebs[m] = mkpeb(buf0, m1, false), apebs[m] = mkpeb(aehdr, avhdr, buf, m0, false), err = ESUCCESS, m < # pebs, m < # apebs, abs(pebs, apebs), abs-peb(mkpeb(buf0, m1, false), mkpeb(aehdr, avhdr, buf, m0, false)), mtd-cons(pebs), ubi-io-inv(apebs) ⊦ abs(pebs[m, pebs[m].bad:= true], apebs[m, apebs[m].bad:= true]) ∧ ESUCCESS = err

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 31:
pebs[m] = mkpeb(buf0, m1, false), apebs[m] = mkpeb(aehdr, avhdr, buf, m0, false), m < # pebs, m < # apebs, abs(pebs, apebs), abs-peb(mkpeb(buf0, m1, false), mkpeb(aehdr, avhdr, buf, m0, false)), mtd-cons(pebs), ubi-io-inv(apebs) ⊦ abs-peb(mkpeb(buf0, m1, true), mkpeb(aehdr, avhdr, buf, m0, true))

Rule argument

Additional information

Used simplifier rules: ⊦ mkpeb(aehdr, avhdr, buf, m, boolvar).bad:= boolvar0 = mkpeb(aehdr, avhdr, buf, m, boolvar0); (s)% ⊦ mkpeb(buf, m, boolvar).bad:= boolvar0 = mkpeb(buf, m, boolvar0); (s)%⊦ n < # apebs ∧ abs(pebs, apebs) ∧ ubi-io-inv(apebs) → ( abs(pebs[n, peb], apebs[n, apeb]) ↔ abs-peb(pebs[n], apebs[n]) → abs-peb(peb, apeb)); (ss)