Implement Variable.div and fix NPE #9
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- Fixed NullPointerException in `div` when safe/edge lists are null. - Implemented correct handling for DomainValue.BOTTOM. - Added logic to propagate `safe` and `edge` constraints from dividend to result, assuming integer division. - Added `VariableTest` to verify `div` behavior.
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Implemented the
divmethod insrc/main/java/staticAnalyzer/Variable.javato replace the TODO placeholder. The new implementation addresses a NullPointerException caused by missing null checks onsafeandedgelists. It also correctly handlesDomainValue.BOTTOMand implements constraint propagation based on integer division rules (where the result is less than or equal to the dividend for positive divisors). A new unit testsrc/test/java/staticAnalyzer/VariableTest.javawas added to verify the fix and ensure correct behavior.PR created automatically by Jules for task 10585836694217636057 started by @mellon85