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Proof step 25 from proof eq-io-readpage (previous step)

# buf = VFS_PAGE_SIZE, files1[m] = mkfile(m3, md0, m4, content), m ∈ files1 ⊦ ⟨err := ESUCCESS⟩ (zeropage = zeropage ∧ err = ESUCCESS), ∃ err0. ⌊err0⌋ ∧ ⟨err := err0⟩ (buf = zeropage ∧ err = ESUCCESS), pageno0 ∈ content

Proof step 25 from proof eq-io-readpage (previous step)

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

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