University of Twente Student Theses


Improving Support for Java Exceptions and Inheritance in VerCors

Rubbens, R.B. (2020) Improving Support for Java Exceptions and Inheritance in VerCors.

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Abstract:In the age where one software bug can cost millions, software correctness is paramount. Static verifiers are used more and more in both academia and industry to prevent these costly bugs. They can formally prove that an implementation adheres to a specification. With the recent increased use of concurrency, proving correctness of software has become more challenging. However, progress is being made in this area: several static verifiers can now also verify languages in concurrent environments. Unfortunately their features are lagging behind: most checkers do not proceed beyond the prototyping phase and do not tackle the more practical language features. To improve the situation, this work presents an approach for implementing verification support for exceptions and inheritance as presented in Java. We also present, in great detail, the transformation of a language with exceptions and inheritance into a language without, and discuss the theory underlying the practical support for exceptions and inheritance. Finally, we briefly evaluate the approaches for both exceptions and inheritance, and discuss what can be further improved in static verification.
Item Type:Essay (Master)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:54 computer science
Programme:Computer Science MSc (60300)
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