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Lecture Notes in Computer Science
Automated methods for an undecidable class of verification problems cannot be complete (terminate for every correct program). We therefore consider a new kind of quality measure for such methods, which is completeness relative to a (powerful but unrealistic) oraclebased method. More precisely, we ask whether an often implemented method known as "software model checking with abstraction refinement" is complete relative to fixpoint iteration with "oracle-guided" widening. We show that wheneverdoi:10.1007/3-540-46002-0_12 fatcat:pxgyyl4kkfgltgauwalxwlzrjq