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Proof step 1208 from proof refine-truncate-buff-some (previous step)

# buf-opt0.buf = VFS_PAGE_SIZE, cache_icache[m3] = mkientry(boolvar0, mkinode(m0, md0, false, # links(m3, cache_dirs), m11, m12)), cache_icache[ino] = mkientry(boolvar, mkinode(m, md, false, m4, m5, m7)), cache_files[m3] = mkfile(m1, md2, # links(m3, cache_dirs), content1), cache_files[ino] = mkfile(m8, md3, # links(ino, cache_dirs), content), buf-opt0.some?, afs-cons(cache_dirs, cache_files), afs-cons(cache_dirs, (cache_files ⊕ cache_pcache0) ⊕ cache_icache), dcache-cons(cache_dcache, cache_dirs, cache_files), icache-cons(cache_icache, cache_dirs, cache_files), pcache-cons(cache_pcache0, cache_dirs, cache_files), synced(cache_dirs, cache_icache, cache_pcache0), m3 ∈ cache_files, ino ∈ cache_files, m3 ∈ cache_icache, ino ∈ cache_icache, cache_sync → synced(cache_files, cache_icache, cache_pcache0), ∀ key. key ∈ cache_pcache0 → key.data? ⊦ ino = m3, mkfile(cache_icache[ino].inode.size, cache_icache[ino].inode.meta, cache_icache[ino].inode.nlink, (cache_files ⊕ cache_pcache0)[ino].content) = mkfile(m7, md, m4, content ⊕ mkcontent(ino, truncate(m3, min(m6, m2), cache_pcache0))), cache_icache[ino].inode.directory, m2 ≤ m6 ∧ m2 % VFS_PAGE_SIZE ≠ 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 1209:
# buf-opt0.buf = VFS_PAGE_SIZE, cache_icache[m3] = mkientry(boolvar0, mkinode(m0, md0, false, # links(m3, cache_dirs), m11, m12)), cache_icache[ino] = mkientry(boolvar, mkinode(m, md, false, m4, m5, m7)), cache_files[m3] = mkfile(m1, md2, # links(m3, cache_dirs), content1), cache_files[ino] = mkfile(m8, md3, # links(ino, cache_dirs), content), buf-opt0.some?, afs-cons(cache_dirs, cache_files), afs-cons(cache_dirs, (cache_files ⊕ cache_pcache0) ⊕ cache_icache), dcache-cons(cache_dcache, cache_dirs, cache_files), icache-cons(cache_icache, cache_dirs, cache_files), pcache-cons(cache_pcache0, cache_dirs, cache_files), synced(cache_dirs, cache_icache, cache_pcache0), m3 ∈ cache_files, ino ∈ cache_files, m3 ∈ cache_icache, ino ∈ cache_icache, cache_sync → synced(cache_files, cache_icache, cache_pcache0), ∀ key. key ∈ cache_pcache0 → key.data? ⊦ ino = m3, mkfile(m7, md, m4, content ⊕ mkcontent(ino, cache_pcache0)) = mkfile(m7, md, m4, content ⊕ mkcontent(ino, truncate(m3, min(m6, m2), cache_pcache0))), m2 ≤ m6 ∧ m2 % VFS_PAGE_SIZE ≠ 0

Rule argument

Additional information

Used simplifier rules: ⊦ mkinode(m, md, boolvar, m0, m1, m2).directory ↔ boolvar; (s)% ⊦ mkinode(m, md, boolvar, m0, m1, m2).nlink = m0; (s)% ⊦ mkinode(m, md, boolvar, m0, m1, m2).meta = md; (s)% ⊦ mkinode(m, md, boolvar, m0, m1, m2).size = m2; (s)% ⊦ mkientry(boolvar, inode).inode = inode; (s)% ⊦ mkfile(m, md, m0, content).content = content; (s)%⊦ (files ⊕ pcache)[ino] = mkfile (files[ino].size, files[ino].meta, files[ino].nlink, files[ino].content ⊕ mkcontent(ino, pcache)); (s)