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Proof step 2 from proof inv-iget (previous step)

afs-cons(dirs, files), ino ∈ dirs ∨ ino ∈ files ⊦ ⟪afs_iget#(ino, dirs, files, asynced; inode, err)⟫ true

Heuristic weak unfold applied rule call right

And obtained the following new goals

Proof step 3:
afs-cons(dirs, files), ino ∈ dirs ∨ ino ∈ files ⊦ ⟪if pre-iget(ino, dirs, files) then {{inode := getinode(ino, dirs, files); err := ESUCCESS} or fail#(; ; err)} else abort⟫ true

Rule argument

pos: right 1

Additional information

Used simplifier rules: iget: ⊦ ;