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Proof step 1 from proof refine-erase-worker (conclusion)

abs(avols, apebs, vols, q), ebm-cons(avols), ubi-cons(apebs, vols, wlar, q, bflipset, vtblpnum, sqnum), vtblpnum0 = LEB_SIZE, vtblpnum1 = EB_PAGE_SIZE, ubi-io-inv(apebs) ⊦ ⟪ubi_erase_worker#(; wlar, q, apebs)⟫ ⟨skip⟩ abs(avols, apebs, vols, q)

System applied rule normalize

And obtained the following new goals

Proof step 2:
vtblpnum0 = LEB_SIZE, vtblpnum1 = EB_PAGE_SIZE, abs(avols, apebs, vols, q), ebm-cons(avols), ubi-cons(apebs, vols, wlar, q, bflipset, vtblpnum, sqnum), ubi-io-inv(apebs) ⊦ ⟪ubi_erase_worker#(; wlar, q, apebs)⟫ ⟨skip⟩ abs(avols, apebs, vols, q)

Proof step 1 from proof refine-erase-worker (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

Additional information