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

dirs[ino].nlink = 0, ino = inode.ino, afs-cons(dirs, files), ino ∈ dirs, inode.ino ∈ dirs ∧ inode.nlink = dirs[inode.ino].nlink ∧ inode.size = dirs[inode.ino].size ∧ inode.nsubdirs = dirs[inode.ino].nsubdirs ∧ inode.directory ∨ inode.ino ∈ files ∧ inode.nlink = files[inode.ino].nlink ∧ inode.nsubdirs = 0 ∧ ¬ inode.directory ⊦ ⟪dirs := dirs -- ino⟫ afs-cons(dirs, files), inode.ino = ROOT_INO

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 9:
dirs[ino].nlink = 0, ino = inode.ino, afs-cons(dirs, files), ino ∈ dirs, inode.ino ∈ dirs ∧ inode.nlink = dirs[inode.ino].nlink ∧ inode.size = dirs[inode.ino].size ∧ inode.nsubdirs = dirs[inode.ino].nsubdirs ∧ inode.directory ∨ inode.ino ∈ files ∧ inode.nlink = files[inode.ino].nlink ∧ inode.nsubdirs = 0 ∧ ¬ inode.directory ⊦ inode.ino = ROOT_INO, afs-cons(dirs -- ino, files)

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

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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