{"id":152428,"date":"2000-02-01T00:00:00","date_gmt":"2000-02-01T00:00:00","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/msr-research-item\/boolean-programs-a-model-and-process-for-software-analysis\/"},"modified":"2021-06-27T12:28:58","modified_gmt":"2021-06-27T19:28:58","slug":"boolean-programs-a-model-and-process-for-software-analysis","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/boolean-programs-a-model-and-process-for-software-analysis\/","title":{"rendered":"Boolean Programs: A Model and Process for Software Analysis"},"content":{"rendered":"<div class=\"asset-content\">\n<p>A fundamental issue in model checking of software is the choice of a model for software. We present a model called boolean programs that is expressive enough to represent features in common programming languages and is amenable to model checking. We present a model checking algorithm for boolean programs using context-free-language reachability. The model checking algorithm allows procedure calls with unbounded recursion, exploits locality of variable scopes, and gives short error traces. Furthermore, we give a process for incrementally refining an initial skeletal boolean program B (representing a source program P ) with respect to a particular reachability query in P . The presence of infeasible paths in P may lead to the model checker reporting false positive errors in B . We show how to refine B by introducing boolean variables to rule out the infeasible paths. The process uses ideas from model checking, symbolic execution, and program slicing.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A fundamental issue in model checking of software is the choice of a model for software. We present a model called boolean programs that is expressive enough to represent features in common programming languages and is amenable to model checking. We present a model checking algorithm for boolean programs using context-free-language reachability. 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