A Mixed Real and Floating-Point Solver

A Mixed Real and Floating-Point Solver
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混合实数和浮点求解器

DOI:
10.1007/978-3-030-20652-9_25
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发表时间:
2019
期刊:
Proceedings of the NASA Formal Methods Symposium (NFM
影响因子:
--
通讯作者:
Rakamaric, Z.
Rakamaric, Z.
中科院分区:
--
文献类型:
--
作者:
Salvia, R.;Titolo, L.;Feliu, M.A.;Moscato, M.M.;Munoz, C.A.;Rakamaric, Z.

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推理混合实数和浮点约束对于开发浮点程序的精确分析工具至关重要。本文介绍了 FPRoCK,一种用于求解混合实数和浮点公式的原型工具。 FPRoCK 将混合公式转换为实数上可等满足的公式。然后使用现成的 SMT 求解器求解该公式。 FPRoCK 还与 PRECiSA 静态分析器集成,后者可以计算浮点程序舍入误差的合理估计。它用于检测不可行的计算路径,从而提高 PRECiSA 的准确性。
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.
DOI: --
发表时间: 2018
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影响因子: --
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DOI: --
发表时间: 2018
期刊: International Workshop/Symposium on Logic-based Program Synthesis and Transformation
影响因子: --
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