The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 12, 2011
Filed:
Mar. 28, 2007
Applicants:
Chao Wang, Plainsboro, NJ (US);
Zijiang Yang, Northville, MI (US);
Aarti Gupta, Princeton, NJ (US);
Inventors:
Assignee:
NEC Laboratories America, Inc., Princeton, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/44 (2006.01); G06F 9/45 (2006.01);
U.S. Cl.
CPC ...
Abstract
An improved method for automatically improving the precision of an extrapolation operator used, for example, in software program verification in connection with the static analysis and model checking of the software programs which rely on fix-point computation. In particular, a new extrapolation-with-care-set operator, together with a method for gradually increasing the precision of this operation by tightening the care set.