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Proof step 1 from proof crash-neutral-set-status (conclusion)

⊦ ⟨pcache_set_status#(ino, pageno, boolvar; err, pcache)⟩ true

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 2:
⊦ ⟨let key = datakey(ino, pageno), pe = ? in if key ∈ pcache then {pe := pcache[key]; pe := mkpentry(boolvar, pe.page); pcache[key] := pe} else err := EFAIL⟩ true

Rule argument

pos: right 1

Additional information

Used simplifier rules: set-status: ⊦ ;