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Proof step 216 from proof inv-unlink (previous step)

# links(m, dirs) = m2, dirs[m] = mkdir(m0, md3, m2, m4, entries), files[entries[str]] = mkfile(m1, md1, # links(entries[str], dirs), content0), entries[str] = entries0[str], dirs[m] = mkdir(m0, md2, m2, m4, entries0), 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 ∈ entries, entries[str] ∈ files, str ∈ entries0, asynced1 → synced(files, icache, pcache), links(m, dirs) ≠ ∅ ∨ m = ROOT_INO ⊦ [fail#(; ; err); asynced := ?] ⟪if err = ESUCCESS then let asynced = false in {icache_set#(mkinode(entries[str], md0, false, # links(entries[str], dirs), 0, m3), asynced; err, icache); icache_set#(mkinode(m, md, true, m2, m4, m0), asynced; err, icache); dcache_delete#(m, mkdentry(str, entries[str]).name; err, dcache)}⟫ ( icache-cons(icache, dirs, files) ∧ dcache-cons(dcache, dirs, files) ∧ synced(dirs, icache, pcache) ∧ (asynced1 → synced(files, icache, pcache)))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 217:
files[entries0[str]] = mkfile(m1, md1, # links(entries0[str], dirs), content0), dirs[m] = mkdir(m0, md2, # links(m, dirs), m4, entries0), afs-cons(dirs, files), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files), pcache-cons(pcache, dirs, files), synced(dirs, icache, pcache), entries0[str] ∈ files, str ∈ entries0, m ∈ dirs, asynced1 → synced(files, icache, pcache), links(m, dirs) ≠ ∅ ∨ m = ROOT_INO ⊦ [fail#(; ; err); 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)))

Rule argument

Additional information

Used simplifier rules: ⊦ mkdir(m, md, m0, m1, entries) = mkdir(m2, md0, m3, m4, entries0) ↔ m = m2 ∧ md = md0 ∧ m0 = m3 ∧ m1 = m4 ∧ entries = entries0; (ws)