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Theorem refine-readdir

pre-readdir(inode.ino, dirs, files), dirs = abs-dirs(fs, ri), files = abs-files(fs, ri), orphans(dirs, files) = abs-keys(ro), asynced → boolvar, afs-cons(dirs, files), ubifs-cons(fs, ri, ro, fi, fo, log), replay-cons-strong(fs, ri, ro, fi, fo, log), file-node-cons(fs, ri), orphans-cons(fs, ri, ro), ri-inj(ri), ri-inj(fi), log-cons(log, fs), ro.inodes?, fo.inodes?, strings = strings0, err = err0 ⊦ ⟪aubifs_readdir#(inode, ri, fi, ro, fo, fs, log, boolvar; strings, err)⟫ ⟨afs_readdir#(inode, dirs, files, asynced; strings0, err0)⟩ ( (dirs = abs-dirs(fs, ri) ∧ files = abs-files(fs, ri) ∧ orphans(dirs, files) = abs-keys(ro) ∧ (asynced → boolvar)) ∧ strings = strings0 ∧ err = err0)

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