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Different mining approaches have been proposed in literature for the automatic generation of temporal assertions from execution traces of digital systems. However, in most cases, existing tools can only mine assertions compliant with a limited set of pre-defined templates. Furthermore, they tend to generate a huge amount of assertions, while they still lack an effective way to measure their coverage...
In the past decade, the number of reported security attacks exploiting unchecked input firmware values has been on the rise. To address this concerning trend, this work proposes a novel detection framework, called DOVE, capable of identifying unlikely firmware execution flows, specifically those that may reveal a security vulnerability. The DOVE framework operates by leveraging a symbolic simulation...
Several papers propose approaches based on power state machines (PSMs) for modelling and simulating the power consumption of system-on-chips (SoCs). However, while they focus on the use of PSMs as the underlying formalism for implementing dynamic power management techniques, they generally do not deal with the basic problem of generating PSMs. In most of these papers, PSMs just exist, in some cases...
Different mining approaches have been proposed in the past for automatic generation of assertions. However, in most cases, existing tools generate a set of over-constrained assertions. As a consequence, each assertion in the set is a long formula that describes a very specific behaviour of the design under verification (DUV). Thus, in the effort of covering as much DUV behaviours as possible, these...
A relevant aspect in design analysis and verification is monitoring how logic relations among different variables change at run time. Current static approaches suffer from scalability problems that prevent their adoption on large designs. On the contrary, dynamic techniques scale better from the memory-consumption point of view. However, to achieve a high accuracy, they require to analyse a huge number...
Dynamic mining of invariants is a class of approaches to extract logic formulas from the execution traces of a system under verification (SUV), with the purpose of expressing stable conditions in the behaviour of the SUV. The mined formulas represent likely invariants for the SUV, which certainly hold on the considered traces, but there is no guarantee that they are true in general. A large set of...
Several approaches exist for specification mining of hardware designs. Most of them work at RTL and they extract assertions in the form of temporal relations between Boolean variables. Other approaches work at system level (e.g., TLM) to mine assertions that specify the behaviour of the communication protocol. However, these techniques do not generate assertions addressing the design functionality...
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