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Proof step 2 from proof crash-neutral-set-status (previous step)

⊦ ⟨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

Heuristic symbolic execution applied rule let right

And obtained the following new goals

Proof step 3:
key = datakey(ino, pageno) ⊦ ⟨if key ∈ pcache then {pe := pcache[key]; pe := mkpentry(boolvar, pe.page); pcache[key] := pe} else err := EFAIL⟩ true

Proof step 2 from proof crash-neutral-set-status (previous step)

Heuristic symbolic execution applied rule let right

And obtained the following new goals

Rule argument

Additional information