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Proof step 528 from proof refine-readpage (previous step)

# buf0 = VFS_PAGE_SIZE, cache_files[m] = mkfile(m3, md0, # links(m, cache_dirs), content), ((cache_files ⊕ cache_pcache) ⊕ cache_icache)[m] = mkfile(m0, md, m1, content0), afs-cons(cache_dirs, (cache_files ⊕ cache_pcache) ⊕ cache_icache), afs-cons(cache_dirs, cache_files), dcache-cons(cache_dcache, cache_dirs, cache_files), icache-cons(cache_icache, cache_dirs, cache_files), pcache-cons(cache_pcache, cache_dirs, cache_files), synced(cache_dirs, cache_icache, cache_pcache), m ∈ cache_files, cache_sync → synced(cache_files, cache_icache, cache_pcache) ⊦ ⟨err := ESUCCESS⟩ (zeropage = zeropage ∧ ESUCCESS = err), ∃ err0. ⌊err0⌋ ∧ ⟨err := err0⟩ (zeropage = buf0 ∧ ESUCCESS = err), pageno ∈ content, datakey(m, pageno) ∈ cache_pcache, pageno ∈ content0

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

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