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Proof step 11 from proof refine-iget (previous step)

asynced ↔ asynced0, ¬ asynced0, err = err0, icache = cache_icache, inode = icache[ino].inode, inode1 = 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), synced(cache_dirs, cache_icache, cache_pcache), ino ∈ icache, cache_sync → synced(cache_files, cache_icache, cache_pcache), ino ∈ cache_dirs ∨ ino ∈ cache_files ⊦ ⟪err := ESUCCESS; afs_files := (cache_files ⊕ cache_pcache) ⊕ cache_icache; if ¬ true ∨ err ≠ ESUCCESS then {afs_iget#(ino, cache_dirs, cache_files, cache_asynced; inode, err); if err = ESUCCESS then icache_set#(inode, false; err, cache_icache)}⟫ ⟨afs_iget#(ino, cache_dirs, afs_files, cache_asynced; inode0, err0)⟩ (afs_files = (cache_files ⊕ cache_pcache) ⊕ cache_icache ∧ inode = inode0 ∧ err = err0)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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