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Proof step 19 from proof refine-iget (previous step)

asynced ↔ cache_asynced, cache_icache[ino] = mkientry(boolvar, inode1), dirs = cache_dirs, err = err0, files = (cache_files ⊕ cache_pcache) ⊕ cache_icache, inode = inode0, 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), pre-iget(ino, dirs, files), synced(cache_dirs, cache_icache, cache_pcache), ino ∈ cache_icache, cache_sync → synced(cache_files, cache_icache, cache_pcache), ino ∈ cache_dirs ∨ ino ∈ cache_files ⊦ ⟨{inode := getinode(ino, dirs, files); err := ESUCCESS} or fail#(; ; err)⟩ (inode1 = inode ∧ ESUCCESS = err)

Heuristic symbolic execution applied rule or right

And obtained the following new goals

Rule argument

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