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  • This report is the full version of an LPAR'08 paper, in which we present a logic interpreted over integer arrays, which allows difference bound&nbsp; comparisons between array elements situated within a constant sized window. We show that the satisfiability problem for the logic is undecidable for formulae&nbsp; with a quantifier prefix $\{\exists,\forall\}^*\forall^*\exists^*\forall^*$. For formulae&nbsp; with quantifier prefixes in the $\exists^*\forall^*$ fragment, decidability is established&nbsp; by an automata-theoretic argument. For each formula in the $\exists^*\forall^*$ fragment, we&nbsp; can build a~flat counter automaton with difference bound transition rules (FCADBM) whose traces <br>correspond to the models of the formula. The construction is modular, following the syntax of&nbsp; the formula. Decidability of the $\exists^*\forall^*$ fragment of the logic is a consequence&nbsp; of the fact that reachability of a control state is decidable for FCADBM.
  • This report is the full version of an LPAR'08 paper, in which we present a logic interpreted over integer arrays, which allows difference bound&nbsp; comparisons between array elements situated within a constant sized window. We show that the satisfiability problem for the logic is undecidable for formulae&nbsp; with a quantifier prefix $\{\exists,\forall\}^*\forall^*\exists^*\forall^*$. For formulae&nbsp; with quantifier prefixes in the $\exists^*\forall^*$ fragment, decidability is established&nbsp; by an automata-theoretic argument. For each formula in the $\exists^*\forall^*$ fragment, we&nbsp; can build a~flat counter automaton with difference bound transition rules (FCADBM) whose traces <br>correspond to the models of the formula. The construction is modular, following the syntax of&nbsp; the formula. Decidability of the $\exists^*\forall^*$ fragment of the logic is a consequence&nbsp; of the fact that reachability of a control state is decidable for FCADBM. (en)
Title
  • A Logic of Singly Indexed Arrays
  • A Logic of Singly Indexed Arrays (en)
skos:prefLabel
  • A Logic of Singly Indexed Arrays
  • A Logic of Singly Indexed Arrays (en)
skos:notation
  • RIV/00216305:26230/08:PU78078!RIV10-MSM-26230___
http://linked.open...avai/riv/aktivita
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  • P(GA102/07/0322), Z(MSM0021630528)
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  • RIV/00216305:26230/08:PU78078
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  • mathematical logic, arrays, decidability, decision procedure, formal verification, automata (en)
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  • [F2B396D93EBC]
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  • Vojnar, Tomáš
  • Habermehl, Peter
  • Radu, Iosif
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http://localhost/t...ganizacniJednotka
  • 26230
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