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Proof step 18 from proof refine-readdir (previous step)

asynced ↔ cache_asynced, cache_dirs[m] = mkdir(m3, md0, # links(m, cache_dirs), m5, entries), dirs = cache_dirs, err = err0, files = (cache_files ⊕ cache_pcache) ⊕ cache_icache, inode = mkinode(m, md, boolvar, m0, m1, m2), strings0 = strings1, 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_dirs, cache_sync → synced(cache_files, cache_icache, cache_pcache) ⊦ ⟨{strings0 := dom dirs[inode.ino].entries; err := ESUCCESS} or {choose strings with true in strings0 := strings; fail#(; ; err)}⟩ (dom entries = strings0 ∧ ESUCCESS = err)

Heuristic symbolic execution applied rule or right

And obtained the following new goals

Rule argument

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