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Proof step 9 from proof inv-format (previous step)

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

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 10:
psynced0 ↔ psynced1, m = LEB_SIZE ⊦ ⟪choose err with ⌊err⌋ in err0 := err⟫ (err0 = ESUCCESS → psynced ∧ root.dir? ∧ fids-cons(root, fs, ofh))

Proof step 9 from proof inv-format (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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