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Proof step 279 from proof fsync-pages-inv (previous step)

# buf = VFS_PAGE_SIZE, files1[m] = mkfile(m3, md, # links(m, dirs), content1), files0[m] = mkfile(m1, md0, # links(m, dirs), content), pcache[datakey(m, n0)] = mkpentry(true, buf), icache[m0] = mkientry(boolvar0, mkinode(m0, md1, boolvar, # links(m0, dirs), m5, m6)), files1[m0] = mkfile(m4, md2, # links(m0, dirs), content0), n0 * VFS_PAGE_SIZE < m2, afs-cons(dirs, files1[m, mkfile(m3, md, # links(m, dirs), content1[n0, buf])]), afs-cons(dirs, files1), afs-cons(dirs, files0), synced(dirs, icache, pcache0), synced(dirs, icache, pcache), m0 ∈ files1, m ∈ files0, m ∈ files1, datakey(m, n0) ∈ pcache, m0 ∈ icache, ⌊err0⌋ , (boolvar0 ⊃ m5 = 0 ∧ ¬ boolvar;mkinode(m0, md1, boolvar, # links(m0, dirs), m5, m6) = mkinode(m0, md2, false, # links(m0, dirs), 0, m4)), (boolvar0 ⊃ m0 ∈ files0 ∧ # links(m0, dirs) = files0[m0].nlink ∧ m5 = 0 ∧ ¬ boolvar ; (m0 ∈ dirs ∨ m0 ∈ files0) ∧ mkinode(m0, md1, boolvar, # links(m0, dirs), m5, m6) = mkinode(m0, files0[m0].meta, false, files0[m0].nlink, 0, files0[m0].size) ), ∀ ino0. ino0 ∈ icache → icache[ino0].inode.ino = ino0 ∧ (icache[ino0].dirty ⊃ icache[ino0].inode.ino ∈ files1 ∧ icache[ino0].inode.nlink = files1[icache[ino0].inode.ino].nlink ∧ icache[ino0].inode.nsubdirs = 0 ∧ ¬ icache[ino0].inode.directory ; (ino0 ∈ dirs ∨ ino0 ∈ files1) ∧ icache[ino0].inode = (icache[ino0].inode.ino ∈ dirs ⊃ mkinode (icache[ino0].inode.ino, dirs[icache[ino0].inode.ino].meta, true, dirs[icache[ino0].inode.ino].nlink, dirs[icache[ino0].inode.ino].nsubdirs, dirs[icache[ino0].inode.ino].size) ;mkinode (icache[ino0].inode.ino, files1[icache[ino0].inode.ino].meta, false, files1[icache[ino0].inode.ino].nlink, 0, files1[icache[ino0].inode.ino].size) ) ), ∀ ino0. ino0 ∈ icache → icache[ino0].inode.ino = ino0 ∧ (icache[ino0].dirty ⊃ icache[ino0].inode.ino ∈ files0 ∧ icache[ino0].inode.nlink = files0[icache[ino0].inode.ino].nlink ∧ icache[ino0].inode.nsubdirs = 0 ∧ ¬ icache[ino0].inode.directory ; (ino0 ∈ dirs ∨ ino0 ∈ files0) ∧ icache[ino0].inode = (icache[ino0].inode.ino ∈ dirs ⊃ mkinode (icache[ino0].inode.ino, dirs[icache[ino0].inode.ino].meta, true, dirs[icache[ino0].inode.ino].nlink, dirs[icache[ino0].inode.ino].nsubdirs, dirs[icache[ino0].inode.ino].size) ;mkinode (icache[ino0].inode.ino, files0[icache[ino0].inode.ino].meta, false, files0[icache[ino0].inode.ino].nlink, 0, files0[icache[ino0].inode.ino].size) ) ) ⊦ (boolvar0 ⊃ # links(m0, dirs) = (m0 = m ⊃ mkfile(m3, md, # links(m, dirs), content1[n0, buf]);mkfile(m4, md2, # links(m0, dirs), content0)).nlink ∧ m5 = 0 ∧ ¬ boolvar ; mkinode(m0, md1, boolvar, # links(m0, dirs), m5, m6) = mkinode (m0, (m0 = m ⊃ mkfile(m3, md, # links(m, dirs), content1[n0, buf]);mkfile(m4, md2, # links(m0, dirs), content0)).meta, false, (m0 = m ⊃ mkfile(m3, md, # links(m, dirs), content1[n0, buf]);mkfile(m4, md2, # links(m0, dirs), content0)).nlink, 0, (m0 = m ⊃ mkfile(m3, md, # links(m, dirs), content1[n0, buf]);mkfile(m4, md2, # links(m0, dirs), content0)).size) )

Heuristic nonsplitting cut applied rule cut formula

And obtained the following new goals

Proof step 280:
# buf = VFS_PAGE_SIZE, files1[m0] = mkfile(m4, md2, # links(m0, dirs), content0), icache[m0] = mkientry(boolvar0, mkinode(m0, md1, boolvar, # links(m0, dirs), m5, m6)), pcache[datakey(m, n0)] = mkpentry(true, buf), files0[m] = mkfile(m1, md0, # links(m, dirs), content), files1[m] = mkfile(m3, md, # links(m, dirs), content1), m5 = 0, n0 * VFS_PAGE_SIZE < m2, afs-cons(dirs, files0), afs-cons(dirs, files1), afs-cons(dirs, files1[m, mkfile(m3, md, # links(m, dirs), content1[n0, buf])]), synced(dirs, icache, pcache), synced(dirs, icache, pcache0), m0 ∈ icache, datakey(m, n0) ∈ pcache, m ∈ files1, m ∈ files0, m0 ∈ files1, ⌊err0⌋ , (boolvar0 ⊃ m0 ∈ files0 ∧ # links(m0, dirs) = files0[m0].nlink ∧ m5 = 0 ∧ ¬ boolvar ; (m0 ∈ dirs ∨ m0 ∈ files0) ∧ mkinode(m0, md1, boolvar, # links(m0, dirs), m5, m6) = mkinode(m0, files0[m0].meta, false, files0[m0].nlink, 0, files0[m0].size) ), (boolvar0 ⊃ m5 = 0 ∧ ¬ boolvar;mkinode(m0, md1, boolvar, # links(m0, dirs), m5, m6) = mkinode(m0, md2, false, # links(m0, dirs), 0, m4)), ∀ ino0. ino0 ∈ icache → icache[ino0].inode.ino = ino0 ∧ (icache[ino0].dirty ⊃ icache[ino0].inode.ino ∈ files0 ∧ icache[ino0].inode.nlink = files0[icache[ino0].inode.ino].nlink ∧ icache[ino0].inode.nsubdirs = 0 ∧ ¬ icache[ino0].inode.directory ; (ino0 ∈ dirs ∨ ino0 ∈ files0) ∧ icache[ino0].inode = (icache[ino0].inode.ino ∈ dirs ⊃ mkinode (icache[ino0].inode.ino, dirs[icache[ino0].inode.ino].meta, true, dirs[icache[ino0].inode.ino].nlink, dirs[icache[ino0].inode.ino].nsubdirs, dirs[icache[ino0].inode.ino].size) ;mkinode (icache[ino0].inode.ino, files0[icache[ino0].inode.ino].meta, false, files0[icache[ino0].inode.ino].nlink, 0, files0[icache[ino0].inode.ino].size) ) ), ∀ ino0. ino0 ∈ icache → icache[ino0].inode.ino = ino0 ∧ (icache[ino0].dirty ⊃ icache[ino0].inode.ino ∈ files1 ∧ icache[ino0].inode.nlink = files1[icache[ino0].inode.ino].nlink ∧ icache[ino0].inode.nsubdirs = 0 ∧ ¬ icache[ino0].inode.directory ; (ino0 ∈ dirs ∨ ino0 ∈ files1) ∧ icache[ino0].inode = (icache[ino0].inode.ino ∈ dirs ⊃ mkinode (icache[ino0].inode.ino, dirs[icache[ino0].inode.ino].meta, true, dirs[icache[ino0].inode.ino].nlink, dirs[icache[ino0].inode.ino].nsubdirs, dirs[icache[ino0].inode.ino].size) ;mkinode (icache[ino0].inode.ino, files1[icache[ino0].inode.ino].meta, false, files1[icache[ino0].inode.ino].nlink, 0, files1[icache[ino0].inode.ino].size) ) ) ⊦ (boolvar0 ⊃ # links(m0, dirs) = (m0 = m ⊃ mkfile(m3, md, # links(m, dirs), content1[n0, buf]);mkfile(m4, md2, # links(m0, dirs), content0)).nlink ∧ m5 = 0 ∧ ¬ boolvar ; mkinode(m0, md1, boolvar, # links(m0, dirs), m5, m6) = mkinode (m0, (m0 = m ⊃ mkfile(m3, md, # links(m, dirs), content1[n0, buf]);mkfile(m4, md2, # links(m0, dirs), content0)).meta, false, (m0 = m ⊃ mkfile(m3, md, # links(m, dirs), content1[n0, buf]);mkfile(m4, md2, # links(m0, dirs), content0)).nlink, 0, (m0 = m ⊃ mkfile(m3, md, # links(m, dirs), content1[n0, buf]);mkfile(m4, md2, # links(m0, dirs), content0)).size) )

Rule argument

fma: m5 = 0

Additional information

Used simplifier rules: ⊦ mkinode(m, md, boolvar, m0, m1, m2) = mkinode(m3, md0, boolvar0, m4, m5, m6) ↔ m = m3 ∧ md = md0 ∧ (boolvar ↔ boolvar0) ∧ m0 = m4 ∧ m1 = m5 ∧ m2 = m6; (ws) Used formulas: m5 = 0