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Proof step 218 from proof inv-unlink (previous step)

dirs[m] = mkdir(m0, md2, # links(m, dirs), m4, entries0), files[entries0[str]] = mkfile(m1, md1, # links(entries0[str], dirs), content0), afs-cons(dirs, files), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files), pcache-cons(pcache, dirs, files), synced(dirs, icache, pcache), m ∈ dirs, str ∈ entries0, entries0[str] ∈ files, asynced1 → synced(files, icache, pcache), links(m, dirs) ≠ ∅ ∨ m = ROOT_INO ⊦ [choose err0 with ⌊err0⌋ in err := err0; asynced := ?] ⟪if err = ESUCCESS then let asynced = false in {icache_set#(mkinode(entries0[str], md0, false, # links(entries0[str], dirs), 0, m3), asynced; err, icache); icache_set#(mkinode(m, md, true, # links(m, dirs), m4, m0), asynced; err, icache); dcache_delete#(m, mkdentry(str, entries0[str]).name; err, dcache)}⟫ ( icache-cons(icache, dirs, files) ∧ dcache-cons(dcache, dirs, files) ∧ synced(dirs, icache, pcache) ∧ (asynced1 → synced(files, icache, pcache)))

Heuristic symbolic execution applied rule choose right

And obtained the following new goals

Rule argument

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