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.

Date of Patent:
Jul. 15, 2025

Filed:

Dec. 10, 2021
Applicant:

Amazon Technologies, Inc., Seattle, WA (US);

Inventors:

Hani Assaf, Haifa, IL;

Max Chvalevsky, Mevaseret Zion, IL;

Uri Leder, Lotem, IL;

Yefim Fainstein, Petah Tikva, IL;

Assignee:

Amazon Technologies, Inc., Seattle, WA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 30/398 (2020.01);
U.S. Cl.
CPC ...
G06F 30/398 (2020.01);
Abstract

Cover properties are extended in formal verification to reach an effective end-of-test stage for a design under test. A formal verification task for a design under test may be received at a verification system. A cover property asserted in the formal verification task may be identified. An additional condition may be implemented for the identified cover property to extend the identified cover property to cause performance of the formal verification task to generate a trace to reach an effective end-of-test stage for the design under test in the event of a failure of the cover property.


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