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Proof step 18 from proof inv-write-vidhdr (previous step)

# buf1 = EB_PAGE_SIZE, pebs[m0] = mkpeb(buf0, EB_PAGE_SIZE, false), avhdr.valid?, m0 < # pebs, mtd-cons(pebs), err = ESUCCESS → is-encoded(vidhdr(avhdr.vol, avhdr.leb, avhdr.sqn, avhdr.size, avhdr.checksum), buf1), err = ESUCCESS ∨ ⌊err⌋ ⊦ ⟪skip⟫ mtd-cons(pebs), err = ESUCCESS

Proof step 18 from proof inv-write-vidhdr (previous step)

Heuristic symbolic execution applied rule skip right

And closed the goal!

Rule argument

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