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  1. ; ; ; ; ; (, Proceedings of the NASA Formal Methods Symposium (NFM))
    Reasoning about mixed real and floating-point constraints is essential for developing accurate analysis tools for floating-point programs. This paper presents FPRoCK, a prototype tool for solving mixed real and floating-point formulas. FPRoCK transforms a mixed formula into an equisatisfiable one over the reals. This formula is then solved using an off-the-shelf SMT solver. FPRoCK is also integrated with the PRECiSA static analyzer, which computes a sound estimation of the round-off error of a floating-point program. It is used to detect infeasible computational paths, thereby improving the accuracy of PRECiSA. 
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