MODEL CHECKING TEMPORAL PROPERTIES OF RECURSIVE PROBABILISTIC PROGRAMS

被引:0
作者
Winkler, Tobias [1 ]
Gehnen, Christina [1 ]
Katoen, Joost-Pieter [1 ]
机构
[1] Rhein Westfal TH Aachen, Aachen, Germany
关键词
Probabilistic Recursive Programs and Model Checking and Probabilistic Pushdown Automata and Visibly Pushdown Languages and CaRet; LOGIC;
D O I
10.46298/lmcs-19(4:24)2023
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Probabilistic pushdown automata (pPDA) are a standard operational model for programming languages involving discrete random choices and recursive procedures. Temporal properties are useful for specifying the chronological order of events during program execution. Existing approaches for model checking pPDA against temporal properties have focused mostly on omega-regular and LTL properties. In this paper, we give decidability and complexity results for the model checking problem of pPDA against omega-visibly pushdown languages that can be described by specification logics such as CaRet. These logical formulae allow specifying properties that explicitly take the structured computations arising from procedural programs into account. For example, CaRet is able to match procedure calls with their corresponding future returns, and thus allows to express fundamental program properties such as total and partial correctness.
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页数:30
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