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Theorem refine-readpage

pre-readpage(inode, pageno, buf, 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?, buf = buf0, err = err0 ⊦ ⟪aubifs_readpage#(inode, pageno, ri, fi, ro, fo, fs, log, boolvar; buf, err)⟫ ⟨afs_readpage#(inode, pageno, dirs, files, asynced; buf0, err0)⟩ ((dirs = abs-dirs(fs, ri) ∧ files = abs-files(fs, ri) ∧ orphans(dirs, files) = abs-keys(ro) ∧ (asynced → boolvar)) ∧ buf = buf0 ∧ err = err0)

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