The object constraint language: precise modeling with UML
The object constraint language: precise modeling with UML
The Unified Modeling Language reference manual
The Unified Modeling Language reference manual
Inconsistency Handling in Multiperspective Specifications
IEEE Transactions on Software Engineering
Expressing UML Class Diagrams Properties with OCL
Object Modeling with the OCL, The Rationale behind the Object Constraint Language
Approximating minimal unsatisfiable subformulae by means of adaptive core search
Discrete Applied Mathematics - The renesse issue on satisfiability
Finding Minimal Unsatisfiable Cores of Declarative Specifications
FM '08 Proceedings of the 15th international symposium on Formal Methods
CAV '08 Proceedings of the 20th international conference on Computer Aided Verification
Verification of UML/OCL Class Diagrams using Constraint Programming
ICSTW '08 Proceedings of the 2008 IEEE International Conference on Software Testing Verification and Validation Workshop
Boolector: An Efficient SMT Solver for Bit-Vectors and Arrays
TACAS '09 Proceedings of the 15th International Conference on Tools and Algorithms for the Construction and Analysis of Systems: Held as Part of the Joint European Conferences on Theory and Practice of Software, ETAPS 2009,
Consistency, Independence and Consequences in UML and OCL Models
TAP '09 Proceedings of the 3rd International Conference on Tests and Proofs
Generating and Evaluating Choices for Fixing Inconsistencies in UML Design Models
ASE '08 Proceedings of the 2008 23rd IEEE/ACM International Conference on Automated Software Engineering
Verification of object-oriented software: The KeY approach
Verification of object-oriented software: The KeY approach
Verifying UML/OCL models using Boolean satisfiability
Proceedings of the Conference on Design, Automation and Test in Europe
Proceedings of the 33rd International Conference on Software Engineering
Assessing the Kodkod model finder for resolving model inconsistencies
ECMFA'11 Proceedings of the 7th European conference on Modelling foundations and applications
A fast linear-arithmetic solver for DPLL(T)
CAV'06 Proceedings of the 18th international conference on Computer Aided Verification
Fault diagnosis and logic debugging using Boolean satisfiability
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
UML2Alloy: a challenging model transformation
MODELS'07 Proceedings of the 10th international conference on Model Driven Engineering Languages and Systems
Determining relevant model elements for the verification of UML/OCL specifications
Proceedings of the Conference on Design, Automation and Test in Europe
Modeling and debugging numerical constraints of cyber-physical systems design
Proceedings of the Fourth Symposium on Information and Communication Technology
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While being a de-facto standard for the modeling of software systems, the Unified Modeling Language (UML) is also increasingly used in the domain of hardware design and hardware/software co-design. To ensure the correctness of the specified systems, approaches have been presented which automatically verify whether a UML model is consistent, i.e. free of conflicts. However, if the model is inconsistent, these approaches do not provide further information to assist the designer in finding the error. In this work, we present an automatic debugging approach which determines contradiction candidates, i.e. a small subset of the original model explaining the conflict. These contradiction candidates aid the designer in finding the error faster and therefore accelerate the whole design process. The approach employs different satisfiability solvers as well as different debugging strategies. Experimental results demonstrate that, even for large UML models with up to 2500 classes and constraints, the approach determines a very small number of contradiction candidates to be inspected.