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Proof step 323 from proof fsync-pages-inv (previous step)

# buf = VFS_PAGE_SIZE, files[m] = mkfile(m3, md, # links(m, dirs), content1), files0[m] = mkfile(m1, md0, # links(m, dirs), content), pcache[datakey(m, n0)] = mkpentry(true, buf), err = err0, n = n0, n0 * VFS_PAGE_SIZE < m2, afs-cons(dirs, files), afs-cons(dirs, files0), dcache-cons(dcache, dirs, files0), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files0), icache-cons(icache, dirs, files), pcache-cons(pcache0, dirs, files0), pcache-cons(pcache, dirs, files), synced(dirs, icache, pcache0), synced(dirs, icache, pcache), m ∈ files0, m ∈ files, datakey(m, n0) ∈ pcache, ⌊err0⌋ ⊦ ⟪skip; n := n + 1⟫ ( pcache-cons(pcache, dirs, files) ∧ synced(dirs, icache, pcache) ∧ (m2 + VFS_PAGE_SIZE - n * VFS_PAGE_SIZE) + n0 * VFS_PAGE_SIZE < m2 + VFS_PAGE_SIZE)

Heuristic symbolic execution applied rule skip right

And obtained the following new goals

Rule argument

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