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Proof step 546 from proof refine-rename-file-dentry (previous step)

cache_dirs[m2] = mkdir(m6, md3, # links(m2, cache_dirs), m5, entries), cache_files[entries[str0]] = mkfile(m1, md, # links(entries[str0], cache_dirs), content), ((cache_files ⊕ cache_pcache) ⊕ cache_icache)[entries[str0]] = mkfile(m8, md4, # links(entries[str0], cache_dirs), content0), afs_files = (cache_files ⊕ cache_pcache) ⊕ cache_icache, cache_dirs0 = cache_dirs, new_child_inode0 = mkinode(entries[str0], md0, false, # links(entries[str0], cache_dirs), 0, m), new_dent0 = mkdentry(str0, entries[str0]), new_parent_inode0 = mkinode(m2, md5, true, # links(m2, cache_dirs), m5, m6), old_child_inode0 = mkinode(entries[str0], md2, false, # links(entries[str0], cache_dirs), 0, m13), old_dent0 = mkdentry(str0, entries[str0]), old_parent_inode0 = mkinode(m2, md5, true, # links(m2, cache_dirs), m5, m6), afs-cons(cache_dirs, (cache_files ⊕ cache_pcache) ⊕ cache_icache), afs-cons(cache_dirs, cache_files), afs-cons (cache_dirs[m2, mkdir(m6, md5, # links(m2, cache_dirs), m5, entries)], cache_files[entries[str0], mkfile(m, md0, # links(entries[str0], cache_dirs), content)]), dcache-cons (cache_dcache[dentrykey(m2, str0), mkdentry(str0, entries[str0])], cache_dirs[m2, mkdir(m6, md5, # links(m2, cache_dirs), m5, entries)], cache_files[entries[str0], mkfile(m, md0, # links(entries[str0], cache_dirs), content)]), dcache-cons(cache_dcache, cache_dirs, cache_files), icache-cons (cache_icache[m2, mkientry(false, mkinode(m2, md5, true, # links(m2, cache_dirs), m5, m6))] [entries[str0], mkientry(false, mkinode(entries[str0], md0, false, # links(entries[str0], cache_dirs), 0, m)) ], cache_dirs[m2, mkdir(m6, md5, # links(m2, cache_dirs), m5, entries)], cache_files[entries[str0], mkfile(m, md0, # links(entries[str0], cache_dirs), content)]), icache-cons(cache_icache, cache_dirs, cache_files), pcache-cons (cache_pcache, cache_dirs[m2, mkdir(m6, md5, # links(m2, cache_dirs), m5, entries)], cache_files[entries[str0], mkfile(m, md0, # links(entries[str0], cache_dirs), content)]), pcache-cons(cache_pcache, cache_dirs, cache_files), synced (cache_dirs[m2, mkdir(m6, md5, # links(m2, cache_dirs), m5, entries)], cache_icache[m2, mkientry(false, mkinode(m2, md5, true, # links(m2, cache_dirs), m5, m6))] [entries[str0], mkientry(false, mkinode(entries[str0], md0, false, # links(entries[str0], cache_dirs), 0, m)) ], cache_pcache), synced(cache_dirs, cache_icache, cache_pcache), m2 ∈ cache_dirs, entries[str0] ∈ cache_files, str0 ∈ entries, ¬ entries[str0] ∈ cache_dirs, cache_sync → synced(cache_files, cache_icache, cache_pcache), cache_sync → synced (cache_files[entries[str0], mkfile(m, md0, # links(entries[str0], cache_dirs), content)], cache_icache[m2, mkientry(false, mkinode(m2, md5, true, # links(m2, cache_dirs), m5, m6))] [entries[str0], mkientry(false, mkinode(entries[str0], md0, false, # links(entries[str0], cache_dirs), 0, m)) ], cache_pcache), links(m2, cache_dirs) ≠ ∅ ∨ m2 = ROOT_INO ⊦ ⟨afs_rename# (; old_parent_inode0, new_parent_inode0, old_child_inode0, new_child_inode0, old_dent0, new_dent0, err0, cache_dirs, afs_files; afs_asynced)⟩ ( (m2 ∈ cache_dirs0 ⊃ mkinode(m2, md5, true, # links(m2, cache_dirs0), m5, m6) ;mkinode (m2, (m2 = entries[str0] ⊃ (cache_files[entries[str0]].size:= m).meta:= md0;cache_files[m2]).meta, false, (m2 = entries[str0] ⊃ (cache_files[entries[str0]].size:= m).meta:= md0;cache_files[m2]).nlink, 0, (m2 = entries[str0] ⊃ (cache_files[entries[str0]].size:= m).meta:= md0;cache_files[m2]).size) ) = old_parent_inode0 ∧ (m2 ∈ cache_dirs0 ⊃ mkinode(m2, md5, true, # links(m2, cache_dirs0), m5, m6) ;mkinode (m2, (m2 = entries[str0] ⊃ (cache_files[entries[str0]].size:= m).meta:= md0;cache_files[m2]).meta, false, (m2 = entries[str0] ⊃ (cache_files[entries[str0]].size:= m).meta:= md0;cache_files[m2]).nlink, 0, (m2 = entries[str0] ⊃ (cache_files[entries[str0]].size:= m).meta:= md0;cache_files[m2]).size) ) = new_parent_inode0 ∧ mkinode(entries[str0], md2, false, # links(entries[str0], cache_dirs0), 0, m13) = old_child_inode0 ∧ (entries[str0] ∈ cache_dirs0 ⊃ mkinode (entries[str0], (entries[str0] = m2 ⊃ mkdir(m6, md5, # links(entries[str0], cache_dirs0), m5, entries);cache_dirs0[entries[str0]]).meta, true, (entries[str0] = m2 ⊃ mkdir(m6, md5, # links(entries[str0], cache_dirs0), m5, entries);cache_dirs0[entries[str0]]).nlink, (entries[str0] = m2 ⊃ mkdir(m6, md5, # links(entries[str0], cache_dirs0), m5, entries);cache_dirs0[entries[str0]]).nsubdirs, (entries[str0] = m2 ⊃ mkdir(m6, md5, # links(entries[str0], cache_dirs0), m5, entries);cache_dirs0[entries[str0]]).size) ;mkinode(entries[str0], md0, false, cache_files[entries[str0]].nlink, 0, m) ) = new_child_inode0 ∧ negdentry(str0) = old_dent0 ∧ mkdentry(str0, entries[str0]) = new_dent0 ∧ ESUCCESS = err0 ∧ cache_dirs = cache_dirs0[m2, mkdir(m6, md5, # links(m2, cache_dirs0), m5, entries)] ∧ afs_files = (cache_files[entries[str0], (cache_files[entries[str0]].size:= m).meta:= md0] ⊕ cache_pcache) ⊕ cache_icache[m2, mkientry(false, mkinode(m2, md5, true, # links(m2, cache_dirs0), m5, m6))] [entries[str0], mkientry(false, mkinode(entries[str0], md0, false, # links(entries[str0], cache_dirs0), 0, m)) ] ∧ (afs_asynced ↔ asynced0))

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 547:
((cache_files ⊕ cache_pcache) ⊕ cache_icache)[entries[str0]] = mkfile(m8, md4, # links(entries[str0], cache_dirs), content0), cache_files[entries[str0]] = mkfile(m1, md, # links(entries[str0], cache_dirs), content), cache_dirs[m2] = mkdir(m6, md3, # links(m2, cache_dirs), m5, entries), afs_files = (cache_files ⊕ cache_pcache) ⊕ cache_icache, cache_dirs0 = cache_dirs, dirs = cache_dirs, err = err0, files = afs_files, new_child_inode = new_child_inode0, new_child_inode0 = mkinode(entries[str0], md0, false, # links(entries[str0], cache_dirs), 0, m), new_dent = new_dent0, new_dent0 = mkdentry(str0, entries[str0]), new_parent_inode = new_parent_inode0, new_parent_inode0 = mkinode(m2, md5, true, # links(m2, cache_dirs), m5, m6), old_child_inode = old_child_inode0, old_child_inode0 = mkinode(entries[str0], md2, false, # links(entries[str0], cache_dirs), 0, m13), old_dent = old_dent0, old_dent0 = mkdentry(str0, entries[str0]), old_parent_inode = old_parent_inode0, old_parent_inode0 = mkinode(m2, md5, true, # links(m2, cache_dirs), m5, m6), afs-cons (cache_dirs[m2, mkdir(m6, md5, # links(m2, cache_dirs), m5, entries)], cache_files[entries[str0], mkfile(m, md0, # links(entries[str0], cache_dirs), content)]), afs-cons(cache_dirs, cache_files), afs-cons(cache_dirs, (cache_files ⊕ cache_pcache) ⊕ cache_icache), dcache-cons(cache_dcache, cache_dirs, cache_files), dcache-cons (cache_dcache[dentrykey(m2, str0), mkdentry(str0, entries[str0])], cache_dirs[m2, mkdir(m6, md5, # links(m2, cache_dirs), m5, entries)], cache_files[entries[str0], mkfile(m, md0, # links(entries[str0], cache_dirs), content)]), icache-cons(cache_icache, cache_dirs, cache_files), icache-cons (cache_icache[m2, mkientry(false, mkinode(m2, md5, true, # links(m2, cache_dirs), m5, m6))] [entries[str0], mkientry(false, mkinode(entries[str0], md0, false, # links(entries[str0], cache_dirs), 0, m)) ], cache_dirs[m2, mkdir(m6, md5, # links(m2, cache_dirs), m5, entries)], cache_files[entries[str0], mkfile(m, md0, # links(entries[str0], cache_dirs), content)]), pcache-cons(cache_pcache, cache_dirs, cache_files), pcache-cons (cache_pcache, cache_dirs[m2, mkdir(m6, md5, # links(m2, cache_dirs), m5, entries)], cache_files[entries[str0], mkfile(m, md0, # links(entries[str0], cache_dirs), content)]), synced(cache_dirs, cache_icache, cache_pcache), synced (cache_dirs[m2, mkdir(m6, md5, # links(m2, cache_dirs), m5, entries)], cache_icache[m2, mkientry(false, mkinode(m2, md5, true, # links(m2, cache_dirs), m5, m6))] [entries[str0], mkientry(false, mkinode(entries[str0], md0, false, # links(entries[str0], cache_dirs), 0, m)) ], cache_pcache), str0 ∈ entries, entries[str0] ∈ cache_files, m2 ∈ cache_dirs, cache_sync → synced (cache_files[entries[str0], mkfile(m, md0, # links(entries[str0], cache_dirs), content)], cache_icache[m2, mkientry(false, mkinode(m2, md5, true, # links(m2, cache_dirs), m5, m6))] [entries[str0], mkientry(false, mkinode(entries[str0], md0, false, # links(entries[str0], cache_dirs), 0, m)) ], cache_pcache), cache_sync → synced(cache_files, cache_icache, cache_pcache), links(m2, cache_dirs) ≠ ∅ ∨ m2 = ROOT_INO ⊦ ⟨if pre-rename(old_parent_inode, old_dent, old_child_inode, new_parent_inode, new_dent, new_child_inode, dirs, files) then { let old_ino = old_parent_inode.ino, new_ino = new_parent_inode.ino, asynced1 = new_dent.dentry? in let asynced0 = old_ino = new_ino ∧ new_dent = old_dent in {dirs[old_ino].entries := dirs[old_ino].entries -- old_dent.name; if ¬ asynced0 then {dirs[old_ino].size := dirs[old_ino].size - 1; if old_dent.ino ∈ dirs then dirs[old_ino].nsubdirs := dirs[old_ino].nsubdirs - 1}; dirs[new_ino].entries[new_dent.name] := old_dent.ino; if asynced1 ∧ ¬ asynced0 then let ino = new_dent.ino in afs_drop_nlink#(ino; dirs, files); if ¬ asynced1 then {dirs[new_ino].size := dirs[new_ino].size + 1; if old_dent.ino ∈ dirs then dirs[new_ino].nsubdirs := dirs[new_ino].nsubdirs + 1}; new_dent := mkdentry(new_dent.name, old_dent.ino); old_dent := negdentry(old_dent.name); afs_inode_sync#(old_parent_inode; dirs, files); afs_inode_sync#(new_parent_inode; dirs, files); if asynced1 then {afs_inode_sync#(new_child_inode; dirs, files); new_child_inode := getinode(new_child_inode.ino, dirs, files)}; old_parent_inode := getinode(old_parent_inode.ino, dirs, files); new_parent_inode := getinode(new_parent_inode.ino, dirs, files); err := ESUCCESS} or fail#(; ; err); asynced := ?} else abort⟩ ( (m2 ∈ cache_dirs0 ⊃ mkinode(m2, md5, true, # links(m2, cache_dirs0), m5, m6) ;mkinode (m2, (m2 = entries[str0] ⊃ (cache_files[entries[str0]].size:= m).meta:= md0;cache_files[m2]).meta, false, (m2 = entries[str0] ⊃ (cache_files[entries[str0]].size:= m).meta:= md0;cache_files[m2]).nlink, 0, (m2 = entries[str0] ⊃ (cache_files[entries[str0]].size:= m).meta:= md0;cache_files[m2]).size) ) = old_parent_inode ∧ (m2 ∈ cache_dirs0 ⊃ mkinode(m2, md5, true, # links(m2, cache_dirs0), m5, m6) ;mkinode (m2, (m2 = entries[str0] ⊃ (cache_files[entries[str0]].size:= m).meta:= md0;cache_files[m2]).meta, false, (m2 = entries[str0] ⊃ (cache_files[entries[str0]].size:= m).meta:= md0;cache_files[m2]).nlink, 0, (m2 = entries[str0] ⊃ (cache_files[entries[str0]].size:= m).meta:= md0;cache_files[m2]).size) ) = new_parent_inode ∧ mkinode(entries[str0], md2, false, # links(entries[str0], cache_dirs0), 0, m13) = old_child_inode ∧ (entries[str0] ∈ cache_dirs0 ⊃ mkinode (entries[str0], (entries[str0] = m2 ⊃ mkdir(m6, md5, # links(entries[str0], cache_dirs0), m5, entries);cache_dirs0[entries[str0]]).meta, true, (entries[str0] = m2 ⊃ mkdir(m6, md5, # links(entries[str0], cache_dirs0), m5, entries);cache_dirs0[entries[str0]]).nlink, (entries[str0] = m2 ⊃ mkdir(m6, md5, # links(entries[str0], cache_dirs0), m5, entries);cache_dirs0[entries[str0]]).nsubdirs, (entries[str0] = m2 ⊃ mkdir(m6, md5, # links(entries[str0], cache_dirs0), m5, entries);cache_dirs0[entries[str0]]).size) ;mkinode(entries[str0], md0, false, cache_files[entries[str0]].nlink, 0, m) ) = new_child_inode ∧ negdentry(str0) = old_dent ∧ mkdentry(str0, entries[str0]) = new_dent ∧ ESUCCESS = err ∧ dirs = cache_dirs0[m2, mkdir(m6, md5, # links(m2, cache_dirs0), m5, entries)] ∧ files = (cache_files[entries[str0], (cache_files[entries[str0]].size:= m).meta:= md0] ⊕ cache_pcache) ⊕ cache_icache[m2, mkientry(false, mkinode(m2, md5, true, # links(m2, cache_dirs0), m5, m6))] [entries[str0], mkientry(false, mkinode(entries[str0], md0, false, # links(entries[str0], cache_dirs0), 0, m)) ] ∧ (asynced ↔ asynced0)), entries[str0] ∈ cache_dirs

Rule argument

pos: right 1

Additional information

Used simplifier rules: afs_rename# (; OLD_PARENT_INODE, NEW_PARENT_INODE, OLD_CHILD_INODE, NEW_CHILD_INODE, OLD_DENT, NEW_DENT, ERR, DIRS, FILES ; ASYNCED ) {if pre-rename (OLD_PARENT_INODE, OLD_DENT, OLD_CHILD_INODE, NEW_PARENT_INODE, NEW_DENT, NEW_CHILD_INODE, DIRS, FILES) then { let OLD_INO = OLD_PARENT_INODE.ino, NEW_INO = NEW_PARENT_INODE.ino, OVERWRITE = NEW_DENT.dentry? in let IDENTITY = OLD_INO = NEW_INO ∧ NEW_DENT = OLD_DENT in {DIRS[OLD_INO].entries := DIRS[OLD_INO].entries -- OLD_DENT.name; if ¬ IDENTITY then {DIRS[OLD_INO].size := DIRS[OLD_INO].size - 1; if OLD_DENT.ino ∈ DIRS then DIRS[OLD_INO].nsubdirs := DIRS[OLD_INO].nsubdirs - 1}; DIRS[NEW_INO].entries[NEW_DENT.name] := OLD_DENT.ino; if OVERWRITE ∧ ¬ IDENTITY then let INO = NEW_DENT.ino in afs_drop_nlink#(INO; DIRS, FILES); if ¬ OVERWRITE then {DIRS[NEW_INO].size := DIRS[NEW_INO].size + 1; if OLD_DENT.ino ∈ DIRS then DIRS[NEW_INO].nsubdirs := DIRS[NEW_INO].nsubdirs + 1}; NEW_DENT := mkdentry(NEW_DENT.name, OLD_DENT.ino); OLD_DENT := negdentry(OLD_DENT.name); afs_inode_sync#(OLD_PARENT_INODE; DIRS, FILES); afs_inode_sync#(NEW_PARENT_INODE; DIRS, FILES); if OVERWRITE then {afs_inode_sync#(NEW_CHILD_INODE; DIRS, FILES); NEW_CHILD_INODE := getinode(NEW_CHILD_INODE.ino, DIRS, FILES)}; OLD_PARENT_INODE := getinode(OLD_PARENT_INODE.ino, DIRS, FILES); NEW_PARENT_INODE := getinode(NEW_PARENT_INODE.ino, DIRS, FILES); ERR := ESUCCESS} or fail#(; ; ERR); ASYNCED := ?} else abort };