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Proof step 288 from proof refine-truncate (previous step)

files[ino2] = mkfile(m0, md0, # links(ino2, dirs), content0), fs = abs-files(files), root.dir?, dom of < ino3, abs(root, ROOT_INO)(dirs), afs-cons(dirs, files), fids-cons(root, abs-files(files), abs-of(of)), ispath(path, ROOT_INO, ino2, dirs, files), of-cons(of, dirs, files), pw(user, md0), px-parent(user, path, ROOT_INO, dirs, files), ROOT_INO ∈ dirs, ino2 ∈ files, ⌊err2⌋ , ¬ root[path].dir?, ¬ ino2 ∈ dirs, psynced → asynced0 ⊦ ∃ err. pre-truncate(path, n, err, user, root, fs, abs-of(of)) ∧ ⟨err0 := err; if err0 = ESUCCESS then let fid = root[path].fid in let buf = fs[fid].content in fs[fid] := mkfile(fs[fid].meta, resize(buf, n)); psynced := ?⟩ (fs = abs-files(files) ∧ (psynced → asynced) ∧ err2 = err0)

Heuristic use patterns applied rule exists right

And obtained the following new goals

Proof step 289:
files[ino2] = mkfile(m0, md0, # links(ino2, dirs), content0), fs = abs-files(files), root.dir?, dom of < ino3, abs(root, ROOT_INO)(dirs), afs-cons(dirs, files), fids-cons(root, abs-files(files), abs-of(of)), ispath(path, ROOT_INO, ino2, dirs, files), of-cons(of, dirs, files), pw(user, md0), px-parent(user, path, ROOT_INO, dirs, files), ino2 ∈ files, ROOT_INO ∈ dirs, ⌊err2⌋ , psynced → asynced0 ⊦ pre-truncate(path, n, err2, user, root, fs, abs-of(of)) ∧ ⟨err0 := err2; if err0 = ESUCCESS then let fid = root[path].fid in let buf = fs[fid].content in fs[fid] := mkfile(fs[fid].meta, resize(buf, n)); psynced := ?⟩ (fs = abs-files(files) ∧ (psynced → asynced) ∧ err2 = err0), root[path].dir?, ino2 ∈ dirs

Rule argument

pos: right 1 terms: err2 abort: T discard: T computed: F

Additional information

Used terms: err2