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- Howard Barringer, Allen Goldberg, Klaus Havelund, Koushik Sen
- VMCAI
- 2004

We present a rule-based framework for defining and implementing finite trace monitoring logics, including future and past time temporal logic, extended regular expressions, real-time logics, interval logics, forms of quantified temporal logics, and so on. Our logic, EAGLE, is implemented as a Java library and involves novel techniques for rule definition,… (More)

- Howard Barringer, J. H. Cheng, Cliff B. Jones
- Acta Informatica
- 1984

Recursive definition often results in partial functions; iteration gives rise to programs which may fail to terminate for some imputs. Proofs about such functions or programs should be conducted in logical systems which reflect the possibility of “undefined values”. This paper provides an axiomatization of such a logic together with examples of its use.

- Howard Barringer, Michael Fisher, Dov M. Gabbay, Graham Gough, Richard Owens
- REX Workshop
- 1989

In this paper we further develop the methodology of temporal logic as an executable imperative language, presented by Moszkowski [Mos86] and Gabbay [Gab87, Gab89] and present a concrete framework, called MetateM for executing (modal and) temporal logics. Our approach is illustrated by the development of an execution mechanism for a propositional temporal… (More)

- Corina S. Pasareanu, Dimitra Giannakopoulou, Mihaela Gheorghiu Bobaru, Jamieson M. Cobleigh, Howard Barringer
- Formal Methods in System Design
- 2008

Assume-guarantee reasoning enables a " divide-and-conquer " approach to the verification of large systems that checks system components separately while using assumptions about each component's environment. Developing appropriate assumptions used to be a difficult and manual process. Over the past five years, we have developed a framework for performing… (More)

- Howard Barringer, David E. Rydeheard, Klaus Havelund
- J. Log. Comput.
- 2007

Eagle was introduced as a general purpose rule-based temporal logic for specifying run-time monitors. A novel and relatively efficient interpretative trace-checking scheme via stepwise transformation of an Eagle monitoring formula was defined and implemented. However, application in real-world examples has shown efficiency weaknesses, especially those… (More)

- Howard Barringer, Ruurd Kuiper, Amir Pnueli
- POPL
- 1986

In this paper we advance the radical notion that a computational model based on the <i>reals</i> provides a more abstract description of concurrent and reactive systems, than the conventional <i>integers</i> based behavioral model of execution <i>sequences.</i> The real model is studied in the setting of temporal logic,… (More)

Model checking is an automated technique that can be used to determine whether a system satisfies certain required properties. The typical approach to verifying properties of software components is to check them for all possible environments. In reality, however, a component is only required to satisfy properties in specific environments. Unless these… (More)

- Howard Barringer, Dov M. Gabbay, John Woods
- Mechanizing Mathematical Reasoning
- 2005

Compositional proof systems not only enable the stepwise development of concurrent processes but also provide a basis to alleviate the state explosion problem associated with model checking. An assume-guarantee style of specification and reasoning has long been advocated to achieve compo-sitionality. However, this style of reasoning is often non-trivial,… (More)

We present a rule-based framework, called EAGLE, that has been shown to be capable of defining and implementing a range of finite trace monitoring logics, including future and past time temporal logic, extended regular expressions, real-time and metric temporal logics, interval logics, forms of quantified temporal logics, and so on. A monitor for an EAGLE… (More)