Program: 85813
Project: 85813
Buggy source:
/** 
 * Verifies that this script (interpreted as a scriptSig) correctly spends the given scriptPubKey.
 * @param txContainingThis The transaction in which this input scriptSig resides.Accessing txContainingThis from another thread while this method runs results in undefined behavior.
 * @param scriptSigIndex The index in txContainingThis of the scriptSig (note: NOT the index of the scriptPubKey).
 * @param scriptPubKey The connected scriptPubKey containing the conditions needed to claim the value.
 * @param enforceP2SH Whether "pay to script hash" rules should be enforced. If in doubt, set to true.
 */
public void correctlySpends(Transaction txContainingThis,long scriptSigIndex,Script scriptPubKey,boolean enforceP2SH) throws ScriptException {
  if (getProgram().length > 10000 || scriptPubKey.getProgram().length > 10000)   throw new ScriptException("String_Node_Str");
  LinkedList<byte[]> stack=new LinkedList<byte[]>();
  LinkedList<byte[]> p2shStack=null;
  executeScript(txContainingThis,scriptSigIndex,this,stack);
  if (enforceP2SH)   p2shStack=new LinkedList<byte[]>(stack);
  executeScript(txContainingThis,scriptSigIndex,scriptPubKey,stack);
  if (stack.size() == 0)   throw new ScriptException("String_Node_Str");
  if (!castToBool(stack.pollLast()))   throw new ScriptException("String_Node_Str");
  if (enforceP2SH && scriptPubKey.isPayToScriptHash()) {
    for (    ScriptChunk chunk : chunks)     if (chunk.isOpCode() && (chunk.data[0] & 0xff) > OP_16)     throw new ScriptException("String_Node_Str");
    byte[] scriptPubKeyBytes=p2shStack.pollLast();
    Script scriptPubKeyP2SH=new Script(scriptPubKeyBytes);
    executeScript(txContainingThis,scriptSigIndex,scriptPubKeyP2SH,p2shStack);
    if (p2shStack.size() == 0)     throw new ScriptException("String_Node_Str");
    if (!castToBool(p2shStack.pollLast()))     throw new ScriptException("String_Node_Str");
  }
}

Fixed version (ground truth):
/** 
 * Verifies that this script (interpreted as a scriptSig) correctly spends the given scriptPubKey.
 * @param txContainingThis The transaction in which this input scriptSig resides.Accessing txContainingThis from another thread while this method runs results in undefined behavior.
 * @param scriptSigIndex The index in txContainingThis of the scriptSig (note: NOT the index of the scriptPubKey).
 * @param scriptPubKey The connected scriptPubKey containing the conditions needed to claim the value.
 * @param enforceP2SH Whether "pay to script hash" rules should be enforced. If in doubt, set to true.
 */
public void correctlySpends(Transaction txContainingThis,long scriptSigIndex,Script scriptPubKey,boolean enforceP2SH) throws ScriptException {
  if (getProgram().length > 10000 || scriptPubKey.getProgram().length > 10000)   throw new ScriptException("String_Node_Str");
  LinkedList<byte[]> stack=new LinkedList<byte[]>();
  LinkedList<byte[]> p2shStack=null;
  executeScript(txContainingThis,scriptSigIndex,this,stack);
  if (enforceP2SH)   p2shStack=new LinkedList<byte[]>(stack);
  executeScript(txContainingThis,scriptSigIndex,scriptPubKey,stack);
  if (stack.size() == 0)   throw new ScriptException("String_Node_Str");
  if (!castToBool(stack.pollLast()))   throw new ScriptException("String_Node_Str" + stack);
  if (enforceP2SH && scriptPubKey.isPayToScriptHash()) {
    for (    ScriptChunk chunk : chunks)     if (chunk.isOpCode() && (chunk.data[0] & 0xff) > OP_16)     throw new ScriptException("String_Node_Str");
    byte[] scriptPubKeyBytes=p2shStack.pollLast();
    Script scriptPubKeyP2SH=new Script(scriptPubKeyBytes);
    executeScript(txContainingThis,scriptSigIndex,scriptPubKeyP2SH,p2shStack);
    if (p2shStack.size() == 0)     throw new ScriptException("String_Node_Str");
    if (!castToBool(p2shStack.pollLast()))     throw new ScriptException("String_Node_Str");
  }
}