Program: 166678
Project: 166678
Buggy source:
/** 
 * Inference between a compound term and a statement
 * @param compound The compound term
 * @param index The location of the current term in the compound
 * @param statement The statement
 * @param side The location of the current term in the statement
 * @param beliefTerm The content of the belief
 * @param nal Reference to the memory
 */
private static void compoundAndStatement(CompoundTerm compound,final short index,Statement statement,final short side,final Term beliefTerm,final DerivationContext nal){
  if (index >= compound.term.length) {
    return;
  }
  final Term component=compound.term[index];
  final Task task=nal.getCurrentTask();
  if (component.getClass() == statement.getClass()) {
    if ((compound instanceof Conjunction) && (nal.getCurrentBelief() != null)) {
      final Conjunction conj=(Conjunction)compound;
      final Term[] u=new Term[]{compound,statement};
      if (Variables.unify(VAR_DEPENDENT,component,statement,u)) {
        compound=(Conjunction)u[0];
        statement=(Statement)u[1];
        if (conj.isSpatial || compound.getTemporalOrder() != TemporalRules.ORDER_FORWARD || index == 0) {
          SyllogisticRules.elimiVarDep(compound,component,statement.equals(beliefTerm),nal);
        }
      }
 else       if (task.sentence.isJudgment()) {
        CompositionalRules.introVarInner(statement,(Statement)component,compound,nal);
      }
    }
  }
 else {
    if (task.sentence.isJudgment()) {
      if (statement instanceof Inheritance) {
        StructuralRules.structuralCompose1(compound,index,statement,nal);
        if (!(compound instanceof SetExt || compound instanceof SetInt || compound instanceof Negation|| compound instanceof Conjunction|| compound instanceof Disjunction)) {
          StructuralRules.structuralCompose2(compound,index,statement,side,nal);
        }
      }
 else       if (!(compound instanceof Negation || compound instanceof Conjunction || compound instanceof Disjunction)) {
        StructuralRules.structuralCompose2(compound,index,statement,side,nal);
      }
    }
  }
}

Fixed version (ground truth):
/** 
 * Inference between a compound term and a statement
 * @param compound The compound term
 * @param index The location of the current term in the compound
 * @param statement The statement
 * @param side The location of the current term in the statement
 * @param beliefTerm The content of the belief
 * @param nal Reference to the memory
 */
private static void compoundAndStatement(CompoundTerm compound,final short index,Statement statement,final short side,final Term beliefTerm,final DerivationContext nal){
  if (index >= compound.term.length) {
    return;
  }
  final Term component=compound.term[index];
  final Task task=nal.getCurrentTask();
  if (component.getClass() == statement.getClass()) {
    if ((compound instanceof Conjunction) && (nal.getCurrentBelief() != null)) {
      final Conjunction conj=(Conjunction)compound;
      final Term[] u=new Term[]{compound,statement};
      if (Variables.unify(VAR_DEPENDENT,component,statement,u) && u[0] instanceof Conjunction && u[1] instanceof Statement) {
        compound=(Conjunction)u[0];
        statement=(Statement)u[1];
        if (conj.isSpatial || compound.getTemporalOrder() != TemporalRules.ORDER_FORWARD || index == 0) {
          SyllogisticRules.elimiVarDep(compound,component,statement.equals(beliefTerm),nal);
        }
      }
 else       if (task.sentence.isJudgment()) {
        CompositionalRules.introVarInner(statement,(Statement)component,compound,nal);
      }
    }
  }
 else {
    if (task.sentence.isJudgment()) {
      if (statement instanceof Inheritance) {
        StructuralRules.structuralCompose1(compound,index,statement,nal);
        if (!(compound instanceof SetExt || compound instanceof SetInt || compound instanceof Negation|| compound instanceof Conjunction|| compound instanceof Disjunction)) {
          StructuralRules.structuralCompose2(compound,index,statement,side,nal);
        }
      }
 else       if (!(compound instanceof Negation || compound instanceof Conjunction || compound instanceof Disjunction)) {
        StructuralRules.structuralCompose2(compound,index,statement,side,nal);
      }
    }
  }
}