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sav08:assume_guarantee_reasoning_with_procedures [2008/04/10 13:41] vkuncak |
sav08:assume_guarantee_reasoning_with_procedures [2008/04/10 13:44] vkuncak |
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| c1; | c1; | ||
| assert Pre(x,y); | assert Pre(x,y); | ||
| - | ++|<code>havoc x,y;</code>++ | + | ++|havoc x,y;++ |
| assume Post(x,y); | assume Post(x,y); | ||
| c2; | c2; | ||
| Line 52: | Line 52: | ||
| ===== Procedures with Parameters ===== | ===== Procedures with Parameters ===== | ||
| + | |||
| + | One way to derive rules: use assignments to reduce parameters to changes to global state. | ||