public void emptyIntersectionConCon1() throws InvalidConstrainingFacetException {
RestrictedDatatype<Number> dr1 = new RestrictedRealDatatype( dt, IntegerInterval
.allIntegers(), ContinuousRealInterval.allReals(), ContinuousRealInterval
.allReals() );
dr1 = dr1.applyConstrainingFacet( MIN_INCLUSIVE.getName(), decimal( "2.5" ) );
dr1 = dr1.applyConstrainingFacet( MAX_INCLUSIVE.getName(), decimal( "3.5" ) );
RestrictedDatatype<Number> dr2 = new RestrictedRealDatatype( dt, IntegerInterval
.allIntegers(), ContinuousRealInterval.allReals(), ContinuousRealInterval
.allReals() );
dr2 = dr2.applyConstrainingFacet( MIN_INCLUSIVE.getName(), decimal( "4.5" ) );