Questions tagged [model-checking]

Model checking refers to the following problem: given a model of a system, test automatically whether this model meets a given specification.

81 questions
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Buchi automata in formal software verification

As I am studying the application of Buchi automata in formal software verification, I am interested in the computational complexity (or links to papers) for the algorithms used to solve the problem in ...
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Model Checking CTL* algorithm

Currently I'm trying to understand the CTL* model checking algorithm from this book. The basic idea is clear to that we can use the LTL algorithm to whenever we have a subformular $E\phi$ or $A\phi$ ...
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Validity of CTL formula $s_0 \models EG\ AF\ p$ in given model

I have been learning Verification by model checking recently and I get the following question: Is the CTL formula $s_{0} \models EG\ AF\ p$ valid in the following model? I think it is ...
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Why are there two different until ($\cup$) semantics in Timed Computation Tree Logic?

Background: In the book of Principles of Model Checking (Christel Baier and Joost-Peter Katoen, MIT Press, 2007), Section 9.2, page 701, the semantics of the until modality is defined over some time-...
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The importance of the language semantics for code generation and frameworks for code generation in model-driven development

I am implementing worflow where the code in industrial programming languages (JavaScript and Java) should be generated from the formal (formally verified) expressions (from ontologies as objects and ...
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Product of a Transition System and a Finite Automaton

Dealing with a question that asks me to compute the product of the following transition system and finite automaton. Compute the product between the transition system TS and the finite-word automaton ...
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Initializing non-deterministic variables in QBF

I'm trying to translate the following pseudocode to QBF. The integers are encoded as simple fixed-width bitvectors, and the entire procedure runs in polynomial space ensuring QBF has enough ...
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What's the definition of ACTL?

I have been looking for the definition of ACTL, but Google has given me very little to go with. So far, I know ACTL is another form of CTL model checking, and CTL includes the following operators: ...
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How to prove LTL-formulas true for all paths?

I'm quoting a question from my homework which I don't understand its wording. Also, I'm not looking for an answer for my problem, I just want to be pointed at some articles/tutorials/reading/tips to ...
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LTL properties in bounded model checking via assertions

Is there a way to check LTL properties in a bounded model checker? As an example, consider a liveness property ($G F p$ - always eventually $p$)? Suppose we have the following trivial program ...