| D. Dill. Timing assumptions and verification of finite-state concurrent systems. In J. Sifakis, editor, Automatic Verification Methods for Finite-State Systems, LNCS |
....presents some possible representations of conjunctions of di#erence constraints. It starts by the geometrical one, namely convex timed polyhedra, and focuses after on Di#erence Bound Matrices (or DBMs) which were first introduced by Bellman in [Bel57] and used for timing verification by Dill in [Dil89] 2.5.1 Convex timed polyhedra A convex timed polyhedron [BM00] is a polyhedron resulting from the finite intersection of half spaces. More formally, a convex timed polyhedron # is defined as follows: # = # 1 #m # #m # 1 . #m and # 1 , #m are hyper planes ....
D. L. Dill. Timing assumptions and verification of finite-state concurrent systems. In J. Sifakis, editor, Automatic Verification Methods for Finite State Systems, volume 407 of Lecture Notes in Computer Science, pages 197--212, 1989.
....The label [1; 2] on the edge from s 1 to r 1 specifies the lower and upper bounds on the delay of message delivery. The label [5; 6] on the vertical line from r 1 to s 2 specifies bounds on the delay between r 1 to s 2 , and models an assumption about the speed of process p 2 . The event set timer [1,2] [1,2] 4 [1,2] 5,6] set timer expire 1 p 2 p 1 FIGURE 5. An MSC with timing constraints corresponds to setting a timer which expires after 4 time units. The timing information, in this case, is consistent with the visual order of the two receive events expire and r 2 . In fact, we ....
....[1; 2] on the edge from s 1 to r 1 specifies the lower and upper bounds on the delay of message delivery. The label [5; 6] on the vertical line from r 1 to s 2 specifies bounds on the delay between r 1 to s 2 , and models an assumption about the speed of process p 2 . The event set timer [1,2] [1,2] 4 [1,2] 5,6] set timer expire 1 p 2 p 1 FIGURE 5. An MSC with timing constraints corresponds to setting a timer which expires after 4 time units. The timing information, in this case, is consistent with the visual order of the two receive events expire and r 2 . In fact, we can ....
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D.L. Dill. Timing assumptions and verification of finite-state concurrent systems. In Automatic Verification Methods for Finite State Systems, LNCS 407, pp. 197--212, 1989.
....LTL) 10] The aim of our paper is to show that minimal model generation methods can be used not only for preserving bisimulation, but also for preserving a weaker relation like similarity. We know that similarity is induced by the universal fragment of CTL (i.e. ACTL [11] so preserves LTL [9], but it is still stronger than the trace equivalence. Since preserving the weaker relation results in generating smaller models, our approach constitutes another step towards reducing the unnecessary complexity of automated program verification. Our method is applied to improving the partitioning ....
Dill, D.: Timing Assumptions and Verification of Finite State Concurrent Systems, in: Automatic Verification Methods for Finite-State Systems, vol. 407 of LNCS, Springer-Verlag, 1989, 197 -- 212.
....unique region generated at an untimed state during the trace evolution. A region naturally address the continuous nature of the timed state space but is too small to significantly reduce the number timed states. Zones extend regions by representing larger equivalence classes using convex hulls [16]. These can be represented in di#erence bound matrices (DBMs) 16] since they represent allowed separations in a system, and many e#cient algorithms have been developed to manipulate DBMs [17] DBMs can also be implicitly represented [18, 19] A zone implicitly represents an allowed execution ....
....A region naturally address the continuous nature of the timed state space but is too small to significantly reduce the number timed states. Zones extend regions by representing larger equivalence classes using convex hulls [16] These can be represented in di#erence bound matrices (DBMs) [16] since they represent allowed separations in a system, and many e#cient algorithms have been developed to manipulate DBMs [17] DBMs can also be implicitly represented [18, 19] A zone implicitly represents an allowed execution trace in the circuit. A di#erent ordering on a set of concurrent ....
D. L. Dill. Timing assumptions and verification of finite-state concurrent systems. In Proc. of the Workshop on Automatic Verification Methods for Finite-State Systems, 1989.
....unique region generated at an untimed state during the trace evolution. A region naturally addresses the continuous nature of the timed state space but is too small to significantly reduce the number timed states. Zones extend regions by representing larger equivalence classes using convex hulls [63]. These can be represented in di#erence bound matrices (DBMs) since they represent allowed separations in a system [63] and many e#cient algorithms have been developed to manipulate DBMs. DBMs can also be implicitly represented [27] There have been several published algorithms using zones for ....
....of the timed state space but is too small to significantly reduce the number timed states. Zones extend regions by representing larger equivalence classes using convex hulls [63] These can be represented in di#erence bound matrices (DBMs) since they represent allowed separations in a system [63], and many e#cient algorithms have been developed to manipulate DBMs. DBMs can also be implicitly represented [27] There have been several published algorithms using zones for timing analysis. A tool for timed automata is presented in [23] A tool for time Petri nets is presented in [51] These ....
D. L. Dill, "Timing assumptions and verification of finite-state concurrent systems," in Proceedings of the Workshop on Automatic Verification Methods for Finite-State Systems, 1989.
....of quantifiers. In a first implementation, we used complementation to eliminate downloadable from www verimag.imag.fr TEMPORISE kronos 6 the alternations, but this is expensive, since complementations do not preserve convexity and cannot be implemented using the DBM data structure [13]. More e#cient ways to implement pre # have been developed in [1] and are currently used in SynthKro. They are based on a direct way of eliminating quantifiers, without complementation. Some examples of how this is done can be found in [24] We report performance results on three case ....
D.L. Dill. Timing assumptions and verification of finite-state concurrent systems. In J. Sifakis, editor, Automatic Verification Methods for Finite State Systems, Lecture Notes in Computer Science 407, pages 197--212. Springer-- Verlag, 1989. 11
....conservative low complexity approximations of the sub circuits to be used as inputs for the rest of the system. Some preliminary results of this methodology are reported. 1 Introduction It is well known that timed automata (TA) AD94] are well suited for modeling delays in digital circuits [D89,L89,MP95] Although some applications of TA technology for solving timing related problems for such circuits have been reported [MY96,BMPY97,TKB97,TKY 98,BMT99,BJMY02] the state and clock explosion associated with such models, restricted the applicability of TA to small circuits. In this ....
D. Dill, Timing Assumptions and Verification of Finite-State Concurrent Systems, in Automatic Verification Methods for Finite State Systems, LNCS 407, Springer, 1989.
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D. Dill. Timing assumptions and verification of finite-state concurrent systems. In J. Sifakis, editor, Automatic Verification Methods for Finite-State Systems, LNCS
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D. Dill. Timing assumptions and verification of finite-state concurrent systems. In J. Sifakis, editor, Automatic Verification Methods for Finite-State Systems, volume 407 of Lecture Notes in Computer Science. Springer Verlag, 1989.
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D.Dill, "Timing Assumptions and Verification of Finite-State Concurrent Systems," Proc. of the Workshop on Computer Aided Verification Methods for Finite State Systems, Grenoble, France, 1989.
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David L. Dill. Timing assumptions and verification of finite-state concurrent systems. In Proceedings, Automatic Verification Methods for Finite State Systems, volume 407 of Lecture Notes in Computer Science, pages 197--212. Springer-Verlag, 1989.
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D. L. Dill. Timing assumptions and verification of finite-state concurrent systems. In Proc. Int. Workshop Automatic Verification Methods for Finite State Systems (CAV'89), Grenoble, June 1989, volume 407 of Lecture Notes in Computer Science, pages 197--212. Springer, 1990.
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David Dill. Timing assumptions and verification of finite-state concurrent systems. In Proc. of the Workshop on Automatic Verification Methods for Finite State Systems, volume 407 of Lecture Notes in Computer Science, pages 197--212. Springer, 1989.
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D. Dill, Timing Assumptions and Verification of Finite-State Concurrent Systems, in J. Sifakis (Ed.), Automatic Verification Methods for Finite State Systems, LNCS 407, Springer, 1989.
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David L. Dill. Timing assumptions and verification of finite-state concurrent systems. In J. Sifakis, editor, Proceedings of the International Workshop on Automatic Verification Methods for Finite State Systems, LNCS 407, pages 197--212. Springer-Verlag, 1989.
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David Dill. Timing assumptions and verification of finite-state concurrent systems. In Joseph Sifakis, editor, International Workshop on Automatic Verification Methods for Finite State Systems, Grenoble, France, June 12--14, 1989, volume 407 of LNCS, pages 197--212. Springer-Verlag, 1990.
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D. Dill. Timing Assumptions and Verification of Finite-State Concurrent Systems. In Proc. of Automatic Verification Methods for Finite State Systems, LNCS 407, pp197-212, 1989.
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Dill, D.: Timing assumptions and verification of finite-state concurrent systems. In: Automatic Verification Methods for Finite State Systems. (1989) 197--212
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David Dill. Timing Assumptions and Verification of Finite-State Concurrent Systems. In Proc. of the Workshop on Automatic Verification Methods for Finite State Systems, vol. 407 of Lecture Notes in Computer Science, pp. 197--212. Springer, 1989.
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D.L. Dill. Timing assumptions and verification of finite-state concurrent systems. In J. Sifakis, editor, CAV 89: Automatic Verification Methods for Finite-state Systems, Lecture Notes in Computer Science 407, pages 197-- 212. Springer-Verlag, 1989. 48
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D.L. Dill. Timing assumptions and verification of finite-state concurrent systems. In Automatic Verification Methods for Finite State Systems, pages 197--212, 1989.
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D. Dill. Timing assumptions and verification of finite-state concurrent systems. In Hu and Vardi [HV98], pages 197--212.
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David L. Dill. Timing assumptions and verification of finite-state concurrent systems. In Proc. Automatic Verification Methods for Finite State Systems, LNCS 407, pages 197--212. Springer, 1990.
No context found.
D. Dill. Timing assumptions and verification of finite-state concurrent systems. In Hu and Vardi [HV98], pages 197--212.
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D.L. Dill, Timing Assumptions and Verification of Finite-State Concurrent Systems, in J. Sifakis (Ed.), Automatic Verification Methods for Finite State Systems, LNCS 407, 197-212, Springer, 1989.
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