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Proof step 58 from proof refine-writepage (previous step)

# buf = VFS_PAGE_SIZE, 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_files, cache_icache, cache_pcache), synced(cache_dirs, cache_icache, cache_pcache), m ∈ cache_files, ⌊err0⌋ ⊦ ⟨choose err0 with ⌊err0⌋ in err := err0; asynced1 := ?⟩ ((asynced1 ↔ asynced0) ∧ err0 = err)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Proof step 59:
# buf = VFS_PAGE_SIZE, 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), synced(cache_files, cache_icache, cache_pcache), m ∈ cache_files, ⌊err1⌋ ⊦ ∃ err0. ⌊err0⌋ ∧ ⟨err := err0; asynced1 := ?⟩ ((asynced1 ↔ asynced0) ∧ err1 = err)

Proof step 58 from proof refine-writepage (previous step)

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

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