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Generating Preconditions from Graph Constraints by Higher Order Graph Transformation

机译:通过高阶图变换从图约束生成前提条件

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Techniques for the verification of structural invariants in graph transformation systems typically rely on the derivation of negative application conditions that are attached to graph transformation rules in order to avoid the runtime occurrence of forbidden structural patterns in the system model. In this paper, we propose a practical approach for this derivation process, which produces the required negative application conditions by applying higher order graph transformation on the rule specifications themselves. Additionally, we integrate filtering criteria into these higher order constructs to avoid already at an early stage the unnecessary construction of invalid and redundant rules with negative application conditions.
机译:验证图转换系统中结构不变性的技术通常依赖于附加到图转换规则的否定应用条件,以便避免在系统模型中运行时出现禁止的结构模式。在本文中,我们为该推导过程提出了一种实用的方法,该方法通过在规则规范本身上应用高阶图变换来产生所需的负应用条件。另外,我们将过滤标准集成到这些更高阶的构造中,从而避免了在早期阶段就否定了具有负面应用条件的无效和冗余规则的不必要构造。

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