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:
Dec. 14, 2021

Filed:

Dec. 19, 2019
Applicant:

Raytheon Company, Waltham, MA (US);

Inventor:

Gregory Price, Silver Spring, MD (US);

Assignee:

Raytheon Company, Waltham, MA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/36 (2006.01);
U.S. Cl.
CPC ...
G06F 11/3636 (2013.01); G06F 11/366 (2013.01); G06F 11/3644 (2013.01); G06F 11/3656 (2013.01); G06F 11/3664 (2013.01);
Abstract

According to aspects of the disclosure a method is provided, comprising: generating a live execution trace log corresponding to a live execution of a computer program, the live execution being performed by using both hardware emulation and hardware acceleration; generating a first trace entry corresponding to a replay execution of the computer program, the replay execution being performed by using hardware emulation without hardware acceleration, the replay execution being performed based on a set of events that are recorded during the live execution of the computer program; detecting whether the first trace entry is valid based on the live execution trace log; and in response to detecting that the first trace entry is not valid, transitioning into a safe state.


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