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- Elvira Albert, Puri Arenas, Samir Genaim, Germán Puebla
- Journal of Automated Reasoning
- 2010

The classical approach to automatic cost analysis consists of two phases. Given a program and some measure of cost, the analysis first produces cost relations (CRs), i.e., recursive equations which capture the cost of the program in terms of the size of its input data. Second, CRs are converted into closed-form, i.e., without recurrences. Whereas the first… (More)

- Elvira Albert, Puri Arenas, Michael Codish, Samir Genaim, Germán Puebla, Damiano Zanardini
- FMOODS
- 2008

Introduction: The state of the art in termination analysis includes advanced techniques developed for logic and functional programming [12, 4, 9, 11, 10] and imperative languages [2, 5, 8, 6, 10], as well as for term rewriting systems [10]. In [6, 5] tools for proving termination of large industrial code are presented. However, termination of low-level… (More)

- Samir Genaim, Michael Codish
- TPLP
- 2001

This paper focuses on the inference of modes for which a logic program is guaranteed to terminate. This generalises traditional termination analysis where an analyser tries to verify termination for a specified mode. Our contribution is a methodology in which components of traditional termination analysis are combined with backwards analysis to obtain an… (More)

- Elvira Albert, Puri Arenas, Samir Genaim, Germán Puebla, Damiano Zanardini
- Theor. Comput. Sci.
- 2012

Cost analysis statically approximates the cost of programs in terms of their input<lb>data size. This paper presents, to the best of our knowledge, the first approach to<lb>the automatic cost analysis of Object-Oriented bytecode programs. In languages<lb>such as Java and C#, analyzing bytecode has a much wider application area<lb>than analyzing source code… (More)

- Elvira Albert, Puri Arenas, Samir Genaim, Germán Puebla
- SAS
- 2008

The classical approach to automatic cost analysis consists of two phases. Given a program and some measure of cost, we first produce recurrence relations (RRs) which capture the cost of our program in terms of the size of its input data. Second, we convert such RRs into closed form (i.e., without recurrences). Whereas the first phase has received… (More)

- Samir Genaim, Fausto Spoto
- VMCAI
- 2005

We present a context-sensitive compositional analysis of information flow for full (mono-threaded) Java bytecode. Our idea consists in transforming the Java bytecode into a control-flow graph of basic blocks of code such that the complex features of the Java bytecode made explicit. The analysis is based on modeling the information flow dependencies with… (More)

Cost analysis of Java bytecode is complicated by its unstructured control flow, the use of an operand stack and its object-oriented programming features (like dynamic dispatching). This paper addresses these problems and develops a generic framework for the automatic cost analysis of sequential Java bytecode. Our method generates cost relations which define… (More)

- Maurice Bruynooghe, Michael Codish, John P. Gallagher, Samir Genaim, Wim Vanhoof
- ACM Trans. Program. Lang. Syst.
- 2007

This article makes two contributions to the work on semantics-based termination analysis for logic programs. The first involves a novel notion of <i>type</i>-<i>based</i> norm where for a given type, a corresponding norm is defined to count in a term the number of subterms of that type. This provides a collection of candidate norms, one for each type… (More)

This paper describes the architecture of costa, an abstract interpretation based cost and termination analyzer for Java bytecode. The system receives as input a bytecode program, (a choice of) a resource of interest and tries to obtain an upper bound of the resource consumption of the program. costa provides several non-trivial notions of cost, as the… (More)

Automatic cost analysis has interesting applications in the context of verification and certification of mobile code. For instance, the code receiver can use cost information in order to decide whether to reject mobile code which has too large cost requirements in terms of computing resources (in time and/or space) or billable events (SMSs sent, bandwidth… (More)