Synopsys, Inc. (SNPS) , a leading provider of electronic design automation software solutions, has agreed to sell its Software Integrity Group business to two private equity firms — Clearlake Capital Group, L.P. and Francisco Partners — for as much as $2.1 billion in cash.Per the agreement, Synopsys will get $1.5 billion upon the close of the transaction, another $125 million over the next five quarters and $475 million in cash payable upon achieving a specified rate of return. The transaction is anticipate ...