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Proof step 184 from proof refine-link (previous step)

cache_dirs[ino3] = mkdir(m1, md4, # links(ino3, cache_dirs), m12, entries2), cache_dirs[ino0] = mkdir(m4, md2, # links(ino0, cache_dirs), m10, entries), cache_dirs[ino1] = mkdir(m0, md3, # links(ino1, cache_dirs), m2, entries0), ((cache_files ⊕ cache_pcache) ⊕ cache_icache)[entries2[str]] = mkfile(m5, md1, # links(entries2[str], cache_dirs), content), cache_dirs[m9] = mkdir(m, md7, # links(m9, cache_dirs), m6, entries3), entries0[str] = entries2[str], cache_files[entries2[str]] = mkfile(m3, md6, # links(entries2[str], cache_dirs), content0), entries[str] = entries2[str], cache_dirs[ino2] = mkdir(m7, md5, # links(ino2, cache_dirs), m11, entries1), entries1[str] = entries2[str], 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), m9 ∈ cache_dirs, str ∈ entries0, str ∈ entries, ino1 ∈ cache_dirs, ino0 ∈ cache_dirs, ino2 ∈ cache_dirs, str ∈ entries1, ino3 ∈ cache_dirs, str ∈ entries2, entries2[str] ∈ cache_files, cache_sync → synced(cache_files, cache_icache, cache_pcache), links(m9, cache_dirs) ≠ ∅ ∨ m9 = ROOT_INO, links(ino1, cache_dirs) ≠ ∅ ∨ ino1 = ROOT_INO, links(ino0, cache_dirs) ≠ ∅ ∨ ino0 = ROOT_INO, links(ino2, cache_dirs) ≠ ∅ ∨ ino2 = ROOT_INO, links(ino3, cache_dirs) ≠ ∅ ∨ ino3 = ROOT_INO ⊦ content = content0 ⊕ mkcontent(entries2[str], cache_pcache), str0 ∈ entries3

Heuristic use patterns applied rule insert rewrite lemma

And obtained the following new goals

Proof step 185:
⊦ content = content0 ↔ (∀ n. (n ∈ content ↔ n ∈ content0) ∧ (n ∈ content → content[n] = content0[n]))
Proof step 186:
entries1[str] = entries2[str], cache_dirs[ino2] = mkdir(m7, md5, # links(ino2, cache_dirs), m11, entries1), entries[str] = entries2[str], cache_files[entries2[str]] = mkfile(m3, md6, # links(entries2[str], cache_dirs), content0), entries0[str] = entries2[str], cache_dirs[m9] = mkdir(m, md7, # links(m9, cache_dirs), m6, entries3), ((cache_files ⊕ cache_pcache) ⊕ cache_icache)[entries2[str]] = mkfile(m5, md1, # links(entries2[str], cache_dirs), content), cache_dirs[ino1] = mkdir(m0, md3, # links(ino1, cache_dirs), m2, entries0), cache_dirs[ino0] = mkdir(m4, md2, # links(ino0, cache_dirs), m10, entries), cache_dirs[ino3] = mkdir(m1, md4, # links(ino3, cache_dirs), m12, entries2), 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), entries2[str] ∈ cache_files, str ∈ entries2, ino3 ∈ cache_dirs, str ∈ entries1, ino2 ∈ cache_dirs, ino0 ∈ cache_dirs, ino1 ∈ cache_dirs, str ∈ entries, str ∈ entries0, m9 ∈ cache_dirs, cache_sync → synced(cache_files, cache_icache, cache_pcache), links(ino3, cache_dirs) ≠ ∅ ∨ ino3 = ROOT_INO, links(ino2, cache_dirs) ≠ ∅ ∨ ino2 = ROOT_INO, links(ino0, cache_dirs) ≠ ∅ ∨ ino0 = ROOT_INO, links(ino1, cache_dirs) ≠ ∅ ∨ ino1 = ROOT_INO, links(m9, cache_dirs) ≠ ∅ ∨ m9 = ROOT_INO ⊦ str0 ∈ entries3, ∀ n. (n ∈ content ↔ n ∈ content0 ⊕ mkcontent(entries2[str], cache_pcache)) ∧ (n ∈ content → content[n] = (content0 ⊕ mkcontent(entries2[str], cache_pcache))[n])

Rule argument

spec: store, inst: file-content name: k-Extension seq: ⊦ content = content0 ↔ (∀ n. (n ∈ content ↔ n ∈ content0) ∧ (n ∈ content → content[n] = content0[n])) subst: [content, content0] → [content, content0 ⊕ mkcontent(entries2[str], cache_pcache)] flags: <all paths>

Additional information

Used terms: content, content0 ⊕ mkcontent(entries2[str], cache_pcache)