<CONTEXT></BUG>if (isHard()) return 0; // no preferenceif (countAssignedVariables(assignment) + (assignment.getValue(value.variable()) == null ? 1 : 0) < 2) return 0; // not enough variablesint nrViolatedPairsAfter = 0;int nrViolatedPairsBefore = 0;<extra_id_0>if (isHard()) return 0; // no preferenceif (countAssignedVariables(assignment) + (assignment.getValue(value.variable()) == null ? 1 : 0) < 2) return 0; // not enough variablesint nrViolatedPairsAfter = 0;int nrViolatedPairsBefore = 0;<BUG>for (TeachingRequest v1 : variables()) {for (TeachingRequest v2 : variables()) {</BUG>if (v1.getId() >= v2.getId()) continue;</CONTEXT>
if (!isSatisfiedPair(assignment, value, conflict))conflicts.add(conflict);}}}public int getCurrentPreference(Assignment<TeachingRequest.Variable, TeachingAssignment> assignment, TeachingAssignment value) {for (TeachingRequest.Variable v1 : variables()) {for (TeachingRequest.Variable v2 : variables()) {