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- Shaz Qadeer, Jakob Rehof
- TACAS
- 2005

The interaction among concurrently executing threads of a program results in insidious programming errors that are difficult to reproduce and fix. Unfortunately, the problem of verifying a concurrent boolean program is undecidable [24]. In this paper, we prove that the problem is decidable, even in the presence of unbounded parallelism, if the analysis is… (More)

We present a novel refinement relation (stuck-free conformance) for CCS processes, which satisfies the substitutability property: If I conforms to S, and P is any environment such that P | S is stuck-free, then P | I is stuck-free. Stuck-freedom is related to the CSP notion of deadlock, but it is more discriminative by taking orphan messages in asynchronous… (More)

- Jakob Rehof, Torben Æ. Mogensen
- SAS
- 1996

We introduce the notion of definite inequality constraints involving monotone functions in a finite meet-semJlattice, generalizing the logical notion of Horn-clauses, and we give a linear time algorithm for deciding satisfiability. We characterize the expressiveness of the framework of definite constraints and show that the algorithm uniformly solves… (More)

- Shaz Qadeer, Sriram K. Rajamani, Jakob Rehof
- POPL
- 2004

The ability to summarize procedures is fundamental to building scalable interprocedural analyses. For sequential programs, procedure summarization is well-understood and used routinely in a variety of compiler optimizations and software defect-detection tools. However, the benefit of summarization is not available to multithreaded programs, for which a… (More)

- Sriram K. Rajamani, Jakob Rehof
- SAS
- 2001

Distributed message-passing based asynchronous systems are becoming increasingly important. Such systems are notoriously hard to design and test. A promising approach to help programmers design such programs is to provide a behavioral type system that checks for behav-ioral properties such as deadlock freedom using a combination of type inference and model… (More)

- Tiziana Margaria, Bernhard Steffen, +5 authors Jakob Rehof
- 2007

- Sagar Chaki, Sriram K. Rajamani, Jakob Rehof
- POPL
- 2002

Abstraction and composition are the fundamental issues in making model checking viable for software. This paper proposes new techniques for automating abstraction and decomposition using source level type information provided by the programmer. Our system includes two novel components to achieve this end: (1) a behavioral type-and-effect system for the… (More)

- Manuel Fähndrich, Jakob Rehof, Manuvir Das
- PLDI
- 2000

This paper shows that a type graph (obtained via polymorphic typeinference) harbors explicit directional flow paths between functions. These flow paths arise from the instantiations of polymorphic types and correspond to call-return sequences in first-order programs. We show that flow information can be computed efficiently while considering only paths with… (More)