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Proof step 12 from proof inv-format (
previous step
)
⊦ ⟪choose err0 with ⌊err0⌋ in err := err0⟫ (err = ESUCCESS → asynced ∧ afs-cons(dirs, files))
Heuristic symbolic execution applied rule choose right
And obtained the following new goals
Proof step 13
:
⌊err0⌋ ⊦ ⟪err := err0⟫ (err = ESUCCESS → asynced ∧ afs-cons(dirs, files))
Proof step 14
:
⊦ ∃ err0. ⌊err0⌋
Rule argument
Additional information