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Proof step 12 from proof clear-corr (previous step)

inv(buf) ⊦ 〈buf0 := buf .len:= 0〉 (inv(buf0) ∧ abs(buf0, []))

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 11:
inv(buf), ¬ inv(buf .len:= 0) ∨ ¬ abs(buf .len:= 0, []) ⊦

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]