منابع مشابه
Quasi-Optimal Partial Order Reduction
A dynamic partial order reduction (DPOR) algorithm is optimal when it always explores at most one representative per Mazurkiewicz trace. Existing literature suggests that the reduction obtained by the non-optimal, state-of-the-art Source-DPOR (SDPOR) algorithm is comparable to optimal DPOR. We show the first program with O(n) Mazurkiewicz traces where SDPOR explores O(2 n) redundant schedules a...
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Systematic testing, first demonstrated in small, specialized cases 15 years ago, has matured sufficiently for large-scale systems developers to begin to put it into practice. With actual deployment come new, pragmatic challenges to the usefulness of the techniques. In this paper we are concerned with scaling dynamic partial order reduction, a key technique for mitigating the state space explosi...
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We present an algorithm for partial order reduction in the context of a countable universe of deterministic actions, of which finitely many are enabled at any given state. This means that the algorithm is suited for a setting in which resources, such as processes or objects, are dynamically created and destroyed, without an a priori bound. The algorithm relies on abstract enabling and disabling...
متن کاملContext-Sensitive Dynamic Partial Order Reduction
Dynamic Partial Order Reduction (DPOR) is a powerful technique used in verification and testing to reduce the number of equivalent executions explored. Two executions are equivalent if they can be obtained from each other by swapping adjacent, non-conflicting (independent) execution steps. Existing DPOR algorithms rely on a notion of independence that is context-insensitive, i.e., the execution...
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In applying stateless model checking methods to realistic multithreaded programs, we find that stateless search methods are ineffective in practice, even with dynamic partial order reduction (DPOR) enabled. To solve the inefficiency of stateless runtime model checking, this paper makes two related contributions. The first contribution is a novel and conservative light-weight method for storing ...
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ژورنال
عنوان ژورنال: ACM SIGPLAN Notices
سال: 2014
ISSN: 0362-1340,1558-1160
DOI: 10.1145/2578855.2535845