Semiconductor Industry Responds to OneSpin’s Dare to Solve “The Sudoku Challenge” Holiday Puzzle

Four Winners Receive Amazon Echo Plus

MUNICH and SAN JOSE, CALIF. –– March 22, 2018 –– OneSpin® Solutions, provider of innovative formal verification solutions for highly reliable, digital integrated circuits (ICs), today announced four winners of its 2017–18 holiday puzzle.
“The Sudoku Challenge” asked engineers to use a formal verification tool to find the solution to the hardest Sudoku puzzle in the world and prove that the solution is unique.
Winners, all of whom used formal verification software to find the solution, are:
Phil Barker from Infineon, recipient of the Laurel Wreath prize for the solution garnering the most votes from users
Axis’ Lars Viklund, who triumphed with the Golden Sickle prize for the most elegant solution
Holger Busch of Infineon, whose speedy solution won the Magic Carpet prize for the shortest runtime
Anthony Wood at Imagination, awarded the Team Player prize for his kind and encouraging submission message

All four will receive an Amazon Echo Plus.
“The solutions showed different coding styles and verification strategies from some of the best formal experts in the world,” notes Sergio Marchese, OneSpin’s technical marketing manager, who oversaw the competition. “This challenge is fun and a valuable learning opportunity for both expert and novice formal verification engineers. Rarely do we have the opportunity to compare so many elegant and creative approaches to a single verification problem.”
For more details about OneSpin’s annual holiday puzzle, go to or read the announcement blog post on Semiconductor Engineering.
The announcement for the next puzzle is expected in December 2018.

About OneSpin Solutions
OneSpin Solutions has emerged as a leader in formal verification through a range of advanced electronic design automation (EDA) solutions for digital integrated circuits. Headquartered in Munich, Germany, OneSpin is passionate about enabling users to address design challenges in areas where reliability really counts: safety-critical verification, SystemC/C++ high-level synthesis (HLS) code analysis and FPGA equivalence checking. OneSpin’s advanced formal verification platform and dedication to getting it right the first time have fueled dramatic growth over the past five years as the company forges partnerships with leading electronics suppliers to pursue design perfection. OneSpin: Making Electronics Reliable.
Engage with OneSpin at:
Twitter: @OneSpinSolution

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