ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,577, issued on Nov. 25, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Instruction stream retrograding to enhance random test generation" was invented by Bryan G. Hickerson (Cedar Park, Texas), Craig Atherton (Burlington, Vt.), Michal Rimon (Nofit, Israel), Avishai Moshe Fedida (Gesher Ha'Ziv, Israel) and Ofer Peled (Haifa, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer system, computer readable storage medium, and computer-implemented method for retrograding an instruction stream to enhance random test generation. The method includes generating a test case for a design-under-test (DUT) comprising positionin...