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SANDS1.5/COOPN1.5 An Overview of the Language and its Supporting Tools

Publications associées (72)

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Proving non-termination

Andrey Rybalchenko, Ashutosh Kumar Gupta

The search for proof and the search for counterexamples (bugs) are complementary activities that need to be pursued concurrently in order to maximize the practical success rate of verification tools. While this is well-understood in safety verification, th ...

2008

Refinement Propagation. Towards Automated Construction of Visual Specifications.

Alain Wegmann, Irina Rychkova

Creation and transformation of visual specifications is driven by modeler’s design decisions. After a design decision has been made, the modeler needs to adjust the specification to maintain its correctness. The number of adjustments might make the design ...

2007

Path invariants

Dirk Thilo Beyer

The success of software verification depends on the ability to find a suitable abstraction of a program automatically. We propose a method for automated abstraction refinement which overcomes some limitations of current predicate discovery schemes. In curr ...

2007

From Liveness to Promptness

Liveness temporal properties state that something

good'' eventually happens, e.g., every request is eventually granted. In Linear Temporal Logic (LTL), there is no a priori bound on the

wait time'' for an eventually to be fulfilled. That is,

F\theta

...

2007

Supporting Loop Proofs in KeY by using BLAST

Mathias Krebs

In contrast to beta-testing, formal verification can guarantee correctness of a program against a specification. Two basic verification techniques are theorem proving and model checking. Both have strengths and weaknesses. Theorem proving is powerful, but ...

2006

VISUAL CONTRACTS: A way to reason about states and cardinalities in IT system specifications

Alain Wegmann, Lam Son Lê, José Diego de la Cruz Garcia

Visual modeling languages propose specialized diagrams to represent behaviour and concepts necessary to specify IT systems. As a result, to understand a specification, the modeller needs to analyze these two types of diagrams and, often, additional stateme ...

2006

EPICURE : A Partitioning and CoDesign Framework For Reconfigurable Computing

Sébastien Bilavarn

This paper presents a new global design methodology capable to bridge the gap between an abstract specification level and a heterogeneous reconfigurable architecture level. The Epicure contribution is the result of a joint study on abstraction/refinement m ...

2006

The KeY Tool

KeY is a tool that provides facilities for formal specification and verification of programs within a commercial platform for UML based software development. Using the KeY tool, formal methods and object-oriented development techniques are applied in an in ...

Springer2005

Expressing Systemic Contexts in Visual Models of System Specifications

Gil Regev, Alain Wegmann, José Diego de la Cruz Garcia

Decision support systems can be used to manage systems. Managed systems are described by system specifications. System specification notations, such as UML, often separate in different diagrams the static specification and the dynamic specification of the ...

2005

Detecting Malicious Code by Model Checking

Johannes Kinder

The ease of compiling malicious code from source code in higher programming languages has increased the volatility of malicious programs: The first appearance of a new worm in the wild is usually followed by modified versions in quick succession. As demons ...

Springer2005

From Liveness to Promptness

Liveness temporal properties state that something

good'' eventually happens, e.g., every request is eventually granted. In Linear Temporal Logic (LTL), there is no a priori bound on the

wait time'' for an eventually to be fulfilled. That is,

F\theta

...

2007