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sav08:sign_analysis_of_expressions_and_programs [2008/05/07 00:17] vkuncak |
sav08:sign_analysis_of_expressions_and_programs [2008/05/07 00:17] vkuncak |
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Concrete operations: ${+}, {\times} : \mathbb{Z}^2 \to \mathbb{Z}$ | Concrete operations: ${+}, {\times} : \mathbb{Z}^2 \to \mathbb{Z}$ | ||
- | Abstract domain: $A = \{ pos, nul, neg, \top \}$ | + | Abstract domain: $A = \{ neg, nul, pos, \top \}$ |
Abstract operations: $\oplus, \otimes : A^2 \to A$ defined by tables: | Abstract operations: $\oplus, \otimes : A^2 \to A$ defined by tables: |