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Proof step 409 from proof refine-rename-new-keep-parent (previous step)

dirs = abs-dirs(fs, ri), files = abs-files(fs, ri), new_dent_inode0 = new_dent_inode, new_inode = mkinode(m3, md0, true, fs[ri[inodekey(m3)]].nlink, fs[ri[inodekey(m3)]].nsubdirs, fs[ri[inodekey(m3)]].size), old_dent0 = mkdentry(str, fs[ri[dentrykey(m3, str)]].ino), old_dent1 = negdentry(str0), old_dent_inode = mkinode(fs[ri[dentrykey(m3, str)]].ino, md, boolvar1, m0, m1, m2), old_inode = mkinode(m3, md0, true, fs[ri[inodekey(m3)]].nlink, fs[ri[inodekey(m3)]].nsubdirs, fs[ri[inodekey(m3)]].size), fs[ri[inodekey(m3)]].size ≠ 0, fs[ri[inodekey(m3)]].directory, fo.inodes?, orphans(fs, ri).inodes?, afs-cons(abs-dirs(fs, ri), abs-files(fs, ri)), file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, orphans(fs, ri)), replay-cons-strong(fs, ri, orphans(fs, ri), fi, fo, log), ri-inj(fi), ri-inj(ri), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), dentrykey(m3, str) ∈ ri, inodekey(fs[ri[dentrykey(m3, str)]].ino) ∈ ri, inodekey(m3) ∈ ri, 1 ≤ fs[ri[inodekey(m3)]].size, ¬ dentrykey(m3, str0) ∈ ri, boolvar3 → boolvar0, boolvar1 → 1 ≤ fs[ri[inodekey(m3)]].nsubdirs, ∀ adr, adr0, adr1. adr ∈ fs ∨ adr0 ∈ fs ∨ adr1 ∈ fs ∨ adr = adr0 ∨ adr = adr1 ∨ adr0 = adr1, fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].directory ∧ m0 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nlink ∧ m2 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].size ∧ m1 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nsubdirs ∧ boolvar1 ∨ ¬ fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].directory ∧ m0 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nlink ∧ m1 = 0 ∧ ¬ boolvar1, ¬ fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].directory ∧ ¬ boolvar1 ∧ m0 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nlink ∧ m1 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nsubdirs ∨ fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].directory ∧ boolvar1 ∧ m0 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nlink ∧ m1 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nsubdirs ∧ m2 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].size, links(m3, abs-dirs(fs, ri)) ≠ ∅ ∨ m3 = ROOT_INO, fs[ri[inodekey(m3)]].nlink ≠ 0 ∨ m3 = ROOT_INO ⊦ ⟨afs_rename#(; old_inode, new_inode, old_dent_inode, new_dent_inode, old_dent0, old_dent1, err0, dirs, files; boolvar3)⟩ ( dirs = abs-dirs(fs, ri) ∧ files = abs-files(fs, ri) ∧ (boolvar3 → boolvar2) ∧ mkinode(m3, md0, true, fs[ri[inodekey(m3)]].nlink, fs[ri[inodekey(m3)]].nsubdirs, fs[ri[inodekey(m3)]].size) = old_inode ∧ mkinode(m3, md0, true, fs[ri[inodekey(m3)]].nlink, fs[ri[inodekey(m3)]].nsubdirs, fs[ri[inodekey(m3)]].size) = new_inode ∧ mkinode(fs[ri[dentrykey(m3, str)]].ino, md, boolvar1, m0, m1, m2) = old_dent_inode ∧ new_dent_inode0 = new_dent_inode ∧ mkdentry(str, fs[ri[dentrykey(m3, str)]].ino) = old_dent0 ∧ negdentry(str0) = old_dent1 ∧ ENOSPC = err0), fs[ri[inodekey(m3)]].nlink = 0 ∧ m3 ≠ ROOT_INO

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 410:
dirs = abs-dirs(fs, ri), err = err0, files = abs-files(fs, ri), new_child_inode = new_dent_inode, new_dent = old_dent1, new_dent_inode0 = new_dent_inode, new_inode = mkinode(m3, md0, true, fs[ri[inodekey(m3)]].nlink, fs[ri[inodekey(m3)]].nsubdirs, fs[ri[inodekey(m3)]].size), new_parent_inode = new_inode, old_child_inode = old_dent_inode, old_dent = old_dent0, old_dent0 = mkdentry(str, fs[ri[dentrykey(m3, str)]].ino), old_dent1 = negdentry(str0), old_dent_inode = mkinode(fs[ri[dentrykey(m3, str)]].ino, md, boolvar1, m0, m1, m2), old_inode = mkinode(m3, md0, true, fs[ri[inodekey(m3)]].nlink, fs[ri[inodekey(m3)]].nsubdirs, fs[ri[inodekey(m3)]].size), old_parent_inode = old_inode, fs[ri[inodekey(m3)]].directory, orphans(fs, ri).inodes?, fo.inodes?, afs-cons(abs-dirs(fs, ri), abs-files(fs, ri)), file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, orphans(fs, ri)), replay-cons-strong(fs, ri, orphans(fs, ri), fi, fo, log), ri-inj(ri), ri-inj(fi), ubifs-cons(fs, ri, orphans(fs, ri), fi, fo, log), inodekey(m3) ∈ ri, inodekey(fs[ri[dentrykey(m3, str)]].ino) ∈ ri, dentrykey(m3, str) ∈ ri, 1 ≤ fs[ri[inodekey(m3)]].size, boolvar1 → 1 ≤ fs[ri[inodekey(m3)]].nsubdirs, boolvar3 → boolvar0, ∀ adr, adr0, adr1. adr ∈ fs ∨ adr0 ∈ fs ∨ adr1 ∈ fs ∨ adr = adr0 ∨ adr = adr1 ∨ adr0 = adr1, fs[ri[inodekey(m3)]].nlink ≠ 0 ∨ m3 = ROOT_INO, links(m3, abs-dirs(fs, ri)) ≠ ∅ ∨ m3 = ROOT_INO, ¬ fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].directory ∧ ¬ boolvar1 ∧ m0 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nlink ∧ m1 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nsubdirs ∨ fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].directory ∧ boolvar1 ∧ m0 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nlink ∧ m1 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nsubdirs ∧ m2 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].size, fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].directory ∧ m0 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nlink ∧ m2 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].size ∧ m1 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nsubdirs ∧ boolvar1 ∨ ¬ fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].directory ∧ m0 = fs[ri[inodekey(fs[ri[dentrykey(m3, str)]].ino)]].nlink ∧ m1 = 0 ∧ ¬ boolvar1 ⊦ ⟨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, boolvar0 = new_dent.dentry? in let boolvar = old_ino = new_ino ∧ new_dent = old_dent in {dirs[old_ino].entries := dirs[old_ino].entries -- old_dent.name; if ¬ boolvar 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 boolvar0 ∧ ¬ boolvar then let ino = new_dent.ino in afs_drop_nlink#(ino; dirs, files); if ¬ boolvar0 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 boolvar0 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⟩ ( dirs = abs-dirs(fs, ri) ∧ files = abs-files(fs, ri) ∧ (asynced → boolvar2) ∧ mkinode(m3, md0, true, fs[ri[inodekey(m3)]].nlink, fs[ri[inodekey(m3)]].nsubdirs, fs[ri[inodekey(m3)]].size) = old_parent_inode ∧ mkinode(m3, md0, true, fs[ri[inodekey(m3)]].nlink, fs[ri[inodekey(m3)]].nsubdirs, fs[ri[inodekey(m3)]].size) = new_parent_inode ∧ mkinode(fs[ri[dentrykey(m3, str)]].ino, md, boolvar1, m0, m1, m2) = old_child_inode ∧ new_dent_inode0 = new_child_inode ∧ mkdentry(str, fs[ri[dentrykey(m3, str)]].ino) = old_dent ∧ negdentry(str0) = new_dent ∧ ENOSPC = err), fs[ri[inodekey(m3)]].size = 0, dentrykey(m3, str0) ∈ ri, fs[ri[inodekey(m3)]].nlink = 0 ∧ m3 ≠ ROOT_INO

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 };