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Proof step 54 from proof refine-readpage (previous step)

# buf0 = VFS_PAGE_SIZE, cache_icache[m].inode = mkinode(m0, md, boolvar, m1, m2, m3), cache_pcache[datakey(m, pageno)] = mkpentry(boolvar0, buf1), ¬ boolvar, afs-cons(cache_dirs, cache_files), afs-cons(cache_dirs, (cache_files ⊕ cache_pcache) ⊕ cache_icache), 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_icache, datakey(m, pageno) ∈ cache_pcache, m ∈ cache_files, pageno ∈ cache_files[m].content ⊕ mkcontent(m, cache_pcache), cache_sync → synced(cache_files, cache_icache, cache_pcache) ⊦ ∃ err0. ⌊err0⌋ ∧ ⟨err := err0⟩ (buf1 = buf0 ∧ ESUCCESS = err), buf1 = (cache_files[m].content ⊕ mkcontent(m, cache_pcache))[pageno]

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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