Combining State Space Caching and Hash Compaction

Combining State Space Caching and Hash Compaction (1996)

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by Ulrich Stern , David L. Dill

Venue:	In Methoden des Entwurfs und der Verifikation digitaler Systeme, 4. GI/ITG/GME Workshop
Citations:	12 - 3 self

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Datum	Value	Source
TITLE	Combining State Space Caching and Hash Compaction	user correction - Legacy Corrections
AUTHOR NAME	Ulrich Stern	SVM HeaderParse 0.1
AUTHOR AFFIL	Department of Computer Science, Stanford University,	SVM HeaderParse 0.2
AUTHOR ADDR	Stanford, CA 94305	SVM HeaderParse 0.1
AUTHOR NAME	David L. Dill	SVM HeaderParse 0.1
AUTHOR AFFIL	Department of Computer Science, Stanford University,	SVM HeaderParse 0.2
AUTHOR ADDR	Stanford, CA 94305	SVM HeaderParse 0.1
ABSTRACT	In verification by explicit state enumeration, for each reachable state the full state descriptor is stored in a state table. Two methods -- state space caching and hash compaction -- that reduce the memory requirements for this table have been proposed in the literature. In state space caching, "old" states are replaced by newly reached ones once the table fills up, which might increase the run-time requirements for verification. In hash compaction, introduced by Wolper and Leroy and improved upon by Stern and Dill, a compressed state descriptor is stored instead of the full one. Here, the memory savings come at the price of a small probability that not all reachable states will be explored during the state enumeration. In this paper, we propose and analyze a new scheme to combine state space caching and hash compaction. In the new scheme, an open addressing collision resolution scheme with a limit on the number of probes in the state table is employed. The new scheme saves roughly 60...	user correction - Legacy Corrections
YEAR	1996	INFERENCE
VENUE	In Methoden des Entwurfs und der Verifikation digitaler Systeme, 4. GI/ITG/GME Workshop	INFERENCE
VENUE TYPE	CONFERENCE	INFERENCE
PAGES	81--90	INFERENCE
VOLUME	4	INFERENCE
CITATIONS	11 found	ParsCit 1.0