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Proof step 12 from proof crash-neutral-recover (previous step)

root0.dir?, fids-cons(root0, fs1, ofh1), posix-crash(root0, fs1, ofh1, tree, fs0, ofh0) ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; if err ≠ ESUCCESS then root0 := ?, fs1 := ?, ofh1 := ?, psynced0 := ? else psynced0 := true⟩ (psynced0 ∧ posix-crash(root0, fs1, ofh1, tree, fs0, ofh0)), ∃ root, fs, ofh. posix-crash(root, fs, ofh, tree, fs0, ofh0)

Heuristic quantifier closing applied rule exists right

And closed the goal!

Rule argument

pos: right 2 terms: root0, fs1, ofh1

Additional information

Used terms: root0, fs1, ofh1