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Proof step 235 from proof fsync-pages-keep-abs (previous step)

# buf = VFS_PAGE_SIZE, pcache[datakey(ino, n0)] = mkpentry(boolvar1, buf0), pcache0[datakey(ino, n0)] = mkpentry(boolvar, buf0), icache[ino] = mkientry(boolvar0, mkinode(m3, md0, true, m4, m5, m6)), pcache[datakey(m, n)] = mkpentry(true, buf), files0[m] = mkfile(m0, md, m1, content), files0[ino] = mkfile(m7, md1, m8, content0), files1[ino] = mkfile(m7, md1, m8, content1), ino = m, mkfile(m0, md, m1, content[n, buf]) = mkfile(m9, md2, m10, content2), n * VFS_PAGE_SIZE < m2, pcache-cons(pcache0, dirs, files1), datakey(ino, n0) ∈ pcache[datakey(m, n), mkpentry(false, buf)], datakey(ino, n0) ∈ pcache, n0 ∈ content1 ⊕ mkcontent(ino, pcache0), n0 ∈ content0 ⊕ mkcontent(ino, pcache), ino ∈ icache, m ∈ files0, datakey(m, n) ∈ pcache, ino ∈ files1, ino ∈ files0, datakey(ino, n0) ∈ pcache0, n0 ∈ content2 ⊕ mkcontent(ino, pcache[datakey(m, n), mkpentry(false, buf)]), ∀ ino0. (ino0 ∈ files0 ↔ ino0 ∈ files1) ∧ (ino0 ∈ files0 → ((files0 ⊕ pcache) ⊕ icache)[ino0] = ((files1 ⊕ pcache0) ⊕ icache)[ino0]) ⊦ (content1 ⊕ mkcontent(ino, pcache0))[n0] = (content2 ⊕ mkcontent(ino, pcache[datakey(m, n), mkpentry(false, buf)]))[n0] ∧ m8 = m10 ∧ md1 = md2 ∧ m7 = m9

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 236:
# buf = VFS_PAGE_SIZE, files0[m] = mkfile(m7, md1, m8, content0), pcache[datakey(m, n)] = mkpentry(true, buf), icache[m] = mkientry(boolvar0, mkinode(m3, md0, true, m4, m5, m6)), pcache0[datakey(m, n0)] = mkpentry(boolvar, buf0), pcache[datakey(m, n0)] = mkpentry(boolvar1, buf0), files1[m] = mkfile(m7, md1, m8, content1), n * VFS_PAGE_SIZE < m2, pcache-cons(pcache0, dirs, files1), n0 ∈ content0[n, buf] ⊕ mkcontent(m, pcache[datakey(m, n), mkpentry(false, buf)]), datakey(m, n0) ∈ pcache0, m ∈ files1, datakey(m, n) ∈ pcache, m ∈ files0, m ∈ icache, n0 ∈ content0 ⊕ mkcontent(m, pcache), n0 ∈ content1 ⊕ mkcontent(m, pcache0), datakey(m, n0) ∈ pcache, datakey(m, n0) ∈ pcache[datakey(m, n), mkpentry(false, buf)], ∀ ino0. (ino0 ∈ files0 ↔ ino0 ∈ files1) ∧ (ino0 ∈ files0 → ((files0 ⊕ pcache) ⊕ icache)[ino0] = ((files1 ⊕ pcache0) ⊕ icache)[ino0]) ⊦ (content1 ⊕ mkcontent(m, pcache0))[n0] = (content0[n, buf] ⊕ mkcontent(m, pcache[datakey(m, n), mkpentry(false, buf)]))[n0]

Rule argument

Additional information

Used simplifier rules: ⊦ mkfile(m, md, m0, content) = mkfile(m1, md0, m2, content0) ↔ m = m1 ∧ md = md0 ∧ m0 = m2 ∧ content = content0; (ws)