Titlebook: Static Analysis; 30th International S Manuel V. Hermenegildo,José F. Morales Conference proceedings 2023 The Editor(s) (if applicable) and

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Error Invariants for Fault Localization via Abstract Interpretation of backward-forward static analyses by abstract interpretation to compute error invariants, which are designed to explain why an error program violates a particular assertion. We demonstrate the effectiveness of our approach to localize errors in realistic C programs.

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ENNUI

Modular Optimization-Based Roundoff Error Analysis of Floating-Point Programs has to-date not been explored in the context of sound floating-point roundoff error analyses; available analyses computing guaranteed absolute error bounds effectively consider only monolithic straight-line code. This paper extends the roundoff error analysis based on symbolic Taylor error expressi

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Unconstrained Variable Oracles for Faster Numeric Static Analysesram point, which program variables are likely to be unconstrained for a specific class of numeric abstract properties. Using the outcome of this pre-analysis as an oracle, we simplify the statements of the program being analyzed by propagating this lack of information, aiming at fine-tuning the prec

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Symbolic Transformation of Expressions in Modular Arithmeticsymbolic methods, the idea is to simplify on-the-fly arithmetic expressions before they are given to abstract transfer functions of underlying abstract domains. When manipulating fixed-length integer data types, casts and overflows generally act like modulo computations which hinder the use of symbo

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