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slides - Summer School Marktoberdorf

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Logical Specifications<br />

Validation Properties<br />

Possibly: E P<br />

Safety Properties<br />

Invariant: A[] P<br />

Pos. Inv.: E[] P<br />

Liveness Properties<br />

Eventually: A P<br />

Leadsto: P Q<br />

Bounded Liveness<br />

Leads to within: P · t Q<br />

<strong>Marktoberdorf</strong> <strong>Summer</strong> <strong>School</strong>, 2012<br />

The expressions P and<br />

Q must be type safe,<br />

side effect free, and<br />

evaluate to a boolean.<br />

Only references to<br />

integer variables,<br />

constants, clocks,<br />

and locations are<br />

allowed (and arrays of<br />

these).<br />

42

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