An SMT-Based Concolic Testing Tool for Logic Programs
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Concolic testing mixes symbolic and concrete execution to generate test cases covering paths effectively. Its benefits have been demonstrated for more than 15 years to test imperative programs. Other programming paradigms, like logic programming, have received less attention. In this paper, we present a concolic-based test generation method for logic programs. Our approach exploits SMT-solving for constraint resolution. We then describe the implementation of a concolic testing tool for Prolog and validate it on some selected benchmarks.
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