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Proof step 8 from proof inv-renam (previous step)

fs[ri[dentrykey(m, str)]].ino = old_child_inode.ino, new_parent_inode.nlink = fs[ri[inodekey(new_parent_inode.ino)]].nlink, new_parent_inode.nsubdirs = fs[ri[inodekey(new_parent_inode.ino)]].nsubdirs, new_parent_inode.size = fs[ri[inodekey(new_parent_inode.ino)]].size, new_child_inode = mkinode(m0, md0, boolvar0, m1, m2, m3), old_dent = mkdentry(str, old_child_inode.ino), old_parent_inode = mkinode(m, md, true, fs[ri[inodekey(m)]].nlink, fs[ri[inodekey(m)]].nsubdirs, fs[ri[inodekey(m)]].size), fs[ri[inodekey(m)]].directory, fs[ri[inodekey(new_parent_inode.ino)]].directory, new_parent_inode.directory, ro.inodes?, fo.inodes?, file-node-cons(fs, ri), log-cons(log, fs), orphans-cons(fs, ri, ro), replay-cons-strong(fs, ri, ro, fi, fo, log), ri-inj(ri), ri-inj(fi), ubifs-cons(fs, ri, ro, fi, fo, log), inodekey(m) ∈ ri, inodekey(old_child_inode.ino) ∈ ri, dentrykey(m, str) ∈ ri, inodekey(new_parent_inode.ino) ∈ ri, 1 ≤ fs[ri[inodekey(m)]].size, new_parent_inode.ino = m → new_parent_inode.meta = md, old_child_inode.directory → 1 ≤ fs[ri[inodekey(m)]].nsubdirs, ¬ fs[ri[inodekey(old_child_inode.ino)]].directory ∧ ¬ old_child_inode.directory ∧ old_child_inode.nlink = fs[ri[inodekey(old_child_inode.ino)]].nlink ∧ old_child_inode.nsubdirs = fs[ri[inodekey(old_child_inode.ino)]].nsubdirs ∨ fs[ri[inodekey(old_child_inode.ino)]].directory ∧ old_child_inode.directory ∧ old_child_inode.nlink = fs[ri[inodekey(old_child_inode.ino)]].nlink ∧ old_child_inode.nsubdirs = fs[ri[inodekey(old_child_inode.ino)]].nsubdirs ∧ old_child_inode.size = fs[ri[inodekey(old_child_inode.ino)]].size, new_dent.negdentry? ∧ (new_parent_inode.nlink ≠ 0 ∨ new_parent_inode.ino = ROOT_INO) ∧ ¬ inodekey(new_parent_inode.ino) ∈ ro ∧ ¬ dentrykey(new_parent_inode.ino, new_dent.name) ∈ ri ∨ new_dent.dentry? ∧ (new_parent_inode.nlink ≠ 0 ∨ new_parent_inode.ino = ROOT_INO) ∧ ¬ inodekey(new_parent_inode.ino) ∈ ro ∧ inodekey(new_dent.ino) ∈ ri ∧ dentrykey(new_parent_inode.ino, new_dent.name) ∈ ri ∧ fs[ri[dentrykey(new_parent_inode.ino, new_dent.name)]].ino = new_dent.ino ∧ ( inodekey(m0) ∈ ri ∧ ¬ fs[ri[inodekey(m0)]].directory ∧ ¬ boolvar0 ∧ m1 = fs[ri[inodekey(m0)]].nlink ∧ m2 = fs[ri[inodekey(m0)]].nsubdirs ∨ inodekey(m0) ∈ ri ∧ fs[ri[inodekey(m0)]].directory ∧ boolvar0 ∧ m1 = fs[ri[inodekey(m0)]].nlink ∧ m2 = fs[ri[inodekey(m0)]].nsubdirs ∧ m3 = fs[ri[inodekey(m0)]].size) ∧ m0 = new_dent.ino ∧ (¬ fs[ri[inodekey(new_dent.ino)]].directory ↔ ¬ fs[ri[inodekey(old_child_inode.ino)]].directory) ∧ (fs[ri[inodekey(new_dent.ino)]].directory → new_dent.ino ≠ ROOT_INO ∧ dentrykeys(inodekey(new_dent.ino), ri) = ∅) ∧ m0 ≠ ROOT_INO ∧ m1 ≠ 0 ∧ (m1 = 1 → links(m0, fs, ri) = ∅ ++ dentrykey(new_parent_inode.ino, new_dent.name)), fs[ri[inodekey(m)]].nlink ≠ 0 ∨ m = ROOT_INO ⊦ ⟪aubifs_rename#(fi, fo; old_parent_inode, new_parent_inode, old_child_inode, new_child_inode, old_dent, new_dent, err, ri, ro, fs, log, boolvar)⟫ (ubifs-cons(fs, ri, ro, fi, fo, log) ∧ replay-cons-strong(fs, ri, ro, fi, fo, log) ∧ file-node-cons(fs, ri) ∧ orphans-cons(fs, ri, ro)), fs[ri[inodekey(m)]].size = 0, inodekey(m) ∈ ro

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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