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Proof step 11 from proof inv-format (previous step)

psynced0 ↔ psynced1, m = LEB_SIZE, ⌊err⌋ ⊦ ⟪err0 := err⟫ (err0 = ESUCCESS → psynced ∧ root.dir? ∧ fids-cons(root, fs, ofh))

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ ¬ ⌊ESUCCESS⌋ ; (s)