Computer-Aided Verification de Edmund M. Clarke

Computer-Aided Verification

Edmund M. Clarke

Robert P. Kurshan

This volume contains the proceedings of the second workshopon Computer Aided Verification, held at DIMACS, RutgersUniversity, June 18-21, 1990. Itfeatures theoreticalresults that lead to new or more powerful verificationmethods. Among these are advances in the use of binarydecision diagrams, dense time, reductions based upon partialorder representations and proof-checking in controllerverification. The motivation for holding a workshop oncomputer aided verification was to bring together work oneffective algorithms or methodologies for formalverification - as distinguished, say,from attributes oflogics or formal languages. The considerable interestgenerated by the first workshop, held in Grenoble, June 1989(see LNCS 407), prompted this second meeting. The generalfocus of this volume is on the problem of making formalverification feasible for various models of computation.Specific emphasis is on models associated with distributedprograms, protocols, and digital circuits. The general testof algorithm feasibility is to embed it into a verificationtool, and exercise that tool on realistic examples: theworkshop included sessionsfor the demonstration of newverification tools.

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Cuprins

Temporal logic model checking: Two techniques for avoiding the state explosion problem.- Automatic verification of extensions of hardware descriptions.- Papetri : Environment for the analysis of PETRI nets.- Verifying temporal properties of sequential machines without building their state diagrams.- Formal verification of digital circuits using symbolic ternary system models.- Vectorized model checking for computation tree logic.- to a computational theory and implementation of sequential hardware equivalence.- Auto/autograph.- A data path verifier for register transfer level using temporal logic language Tokio.- The use of model checking in ATPG for sequential circuits.- Compositional design and verification of communication protocols, using labelled petri nets.- Issues arising in the analysis of L.0.- Automated RTL verification based on predicate calculus.- On using protean to verify ISO FTAM protocol.- Quantitative temporal reasoning.- Using partial-order semantics to avoid the state explosion problem in asynchronous systems.- A stubborn attack on state explosion.- Using optimal simulations to reduce reachability graphs.- Using partial orders to improve automatic verification methods.- Compositional minimization of finite state systems.- Minimal model generation.- A context dependent equivalence relation between kripke structures.- The modular framework of computer-aided verification.- Verifying liveness properties by verifying safety properties.- Memory efficient algorithms for the verification of temporal properties.- A unified approach to the deadlock detection problem in networks of communicating finite state machines.- Branching time regular temporal logic for model checking with linear time complexity.- The algebraic feedback product of automata.- Synthesizing processes and schedulers from temporal specifications.- Task-driven supervisory control of discrete event systems.- A proof lattice-based technique for analyzing liveness of resource controllers.- Verification of a multiprocessor cache protocol using simulation relations and higher-order logic (summary).- Computer assistance for program refinement.- Program verification by symbolic execution of hyperfinite ideal machines.- Extension of the Karp and miller procedure to lotos specifications.- An algebra for delay-insensitive circuits.- Finiteness conditions and structural construction of automata for all process algebras.- On automatically explaining bisimulation inequivalence.