Oracle Corp. CEO Larry Ellison turned up the pressure in an industrial espionage trial Monday by testifying that archenemy SAP AG should have paid $4 billion for licenses to Oracle software, reports the Associated Press. SAP and Oracle, two of the world’s biggest business-software makers, are fighting over how much SAP should pay to atone for the shady tactics of a now-shuttered software support subsidiary called TomorrowNow. SAP has already admitted to bad behavior. It acknowledged that TomorrowNow stole customer support documents from Oracle password-protected websites and used them to steal business from Oracle by offering similar services at a cheaper price. Oracle has said that it is owed billions for the value of the intellectual property that was taken from it. Ellison’s $4 billion estimate concerned the amount of money SAP would have paid for the appropriate licenses to Oracle’s software, under certain conditions…