Program: 88705
Project: 88705
Buggy source:
public void compare(T o,Class<?>[] candidateArgTypes,boolean isVarArgs){
  numMatching=0;
  numNull=0;
  numDeps=0;
  boolean debugWasOn=Debug.isOn();
  if (debugWasOn)   Debug.turnOff();
  int candidateArgsLength=candidateArgTypes == null ? 0 : candidateArgTypes.length;
  int referenceArgsLength=referenceArgTypes == null ? 0 : referenceArgTypes.length;
  okNumArgs=(candidateArgsLength == referenceArgsLength) || (isVarArgs && (candidateArgsLength < referenceArgsLength || candidateArgsLength == 1));
  if (Debug.isOn())   Debug.outln("String_Node_Str" + okNumArgs);
  for (int i=0; i < Math.min(candidateArgsLength,referenceArgsLength); ++i) {
    if (referenceArgTypes[i] == null) {
      if (Debug.isOn())       Debug.outln("String_Node_Str" + i + "String_Node_Str");
      continue;
    }
    if (candidateArgTypes[i] == null) {
      if (Debug.isOn())       Debug.outln("String_Node_Str" + i + "String_Node_Str"+ referenceArgTypes[i]);
      ++numNull;
      ++numDeps;
    }
 else     if (candidateArgTypes[i].isAssignableFrom(referenceArgTypes[i])) {
      if (Debug.isOn())       Debug.outln("String_Node_Str" + i + "String_Node_Str"+ candidateArgTypes[i]+ "String_Node_Str"+ i+ "String_Node_Str"+ referenceArgTypes[i]);
      ++numMatching;
    }
 else     if (candidateArgTypes[i].isPrimitive() && classForPrimitive(candidateArgTypes[i]).isAssignableFrom(referenceArgTypes[i])) {
      if (Debug.isOn())       Debug.outln("String_Node_Str" + i + "String_Node_Str"+ candidateArgTypes[i]+ "String_Node_Str"+ i+ "String_Node_Str"+ referenceArgTypes[i]);
      ++numMatching;
    }
 else {
      if (Debug.isOn())       Debug.outln("String_Node_Str" + i + "String_Node_Str"+ candidateArgTypes[i]+ "String_Node_Str"+ i+ "String_Node_Str"+ referenceArgTypes[i]);
    }
  }
  if ((best == null) || (!gotOkNumArgs && okNumArgs) || ((gotOkNumArgs == okNumArgs) && ((numMatching > mostMatchingArgs) || ((numMatching == mostMatchingArgs) && (numDeps > mostDeps))))) {
    best=o;
    gotOkNumArgs=okNumArgs;
    mostMatchingArgs=numMatching;
    mostDeps=numDeps;
    allArgsMatched=(numMatching >= candidateArgsLength);
    allNonNullArgsMatched=(numMatching + numNull >= candidateArgsLength);
    if (Debug.isOn())     Debug.outln("String_Node_Str" + o + "String_Node_Str"+ mostMatchingArgs+ "String_Node_Str"+ allArgsMatched+ "String_Node_Str"+ numMatching+ "String_Node_Str"+ candidateArgsLength+ "String_Node_Str"+ numDeps);
  }
  if (debugWasOn)   Debug.turnOn();
}

Fixed version (ground truth):
public void compare(T o,Class<?>[] candidateArgTypes,boolean isVarArgs){
  numMatching=0;
  numNull=0;
  numDeps=0;
  boolean debugWasOn=Debug.isOn();
  if (debugWasOn)   Debug.turnOff();
  int candidateArgsLength=candidateArgTypes == null ? 0 : candidateArgTypes.length;
  int referenceArgsLength=referenceArgTypes == null ? 0 : referenceArgTypes.length;
  okNumArgs=(candidateArgsLength == referenceArgsLength) || (isVarArgs && (candidateArgsLength < referenceArgsLength || candidateArgsLength == 1));
  if (Debug.isOn())   Debug.outln("String_Node_Str" + okNumArgs);
  for (int i=0; i < Math.min(candidateArgsLength,referenceArgsLength); ++i) {
    if (referenceArgTypes[i] == null) {
      if (Debug.isOn())       Debug.outln("String_Node_Str" + i + "String_Node_Str");
      ++numNull;
      ++numDeps;
      continue;
    }
    if (candidateArgTypes[i] == null) {
      if (Debug.isOn())       Debug.outln("String_Node_Str" + i + "String_Node_Str"+ referenceArgTypes[i]);
      Debug.error(false,true,"String_Node_Str" + i + "String_Node_Str"+ referenceArgTypes[i]);
      continue;
    }
 else     if (candidateArgTypes[i].isAssignableFrom(referenceArgTypes[i])) {
      if (Debug.isOn())       Debug.outln("String_Node_Str" + i + "String_Node_Str"+ candidateArgTypes[i]+ "String_Node_Str"+ i+ "String_Node_Str"+ referenceArgTypes[i]);
      ++numMatching;
    }
 else     if (candidateArgTypes[i].isPrimitive() && classForPrimitive(candidateArgTypes[i]).isAssignableFrom(referenceArgTypes[i])) {
      if (Debug.isOn())       Debug.outln("String_Node_Str" + i + "String_Node_Str"+ candidateArgTypes[i]+ "String_Node_Str"+ i+ "String_Node_Str"+ referenceArgTypes[i]);
      ++numMatching;
    }
 else {
      if (Debug.isOn())       Debug.outln("String_Node_Str" + i + "String_Node_Str"+ candidateArgTypes[i]+ "String_Node_Str"+ i+ "String_Node_Str"+ referenceArgTypes[i]);
    }
  }
  if ((best == null) || (!gotOkNumArgs && okNumArgs) || ((gotOkNumArgs == okNumArgs) && ((numMatching > mostMatchingArgs) || ((numMatching == mostMatchingArgs) && (numDeps > mostDeps))))) {
    best=o;
    gotOkNumArgs=okNumArgs;
    mostMatchingArgs=numMatching;
    mostDeps=numDeps;
    allArgsMatched=(numMatching >= candidateArgsLength);
    allNonNullArgsMatched=(numMatching + numNull >= candidateArgsLength);
    if (Debug.isOn())     Debug.outln("String_Node_Str" + o + "String_Node_Str"+ mostMatchingArgs+ "String_Node_Str"+ allArgsMatched+ "String_Node_Str"+ numMatching+ "String_Node_Str"+ candidateArgsLength+ "String_Node_Str"+ numDeps);
  }
  if (debugWasOn)   Debug.turnOn();
}