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Proof step 1 from proof crash-neutral-check-inode (conclusion)

⊦ ⟨icache_check_inode#(ino, icache; cache_sync, cache_sync0, err)⟩ true

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 2:
cache_sync0 ↔ cache_sync2, cache_sync ↔ cache_sync1 ⊦ ⟨if ino ∈ icache then {cache_sync0 := true; cache_sync := icache[ino].dirty} else cache_sync0 := false⟩ true

Rule argument

pos: right 1

Additional information

Used simplifier rules: check-inode: ⊦ ;