Program: 92469
Project: 92469
Buggy source:
/** 
 * Entry point to the detection process. Provided with a Match instance configured with the information about the request.  The dataSet may be used by other threads in parallel and is not assumed  to be used by only one detection process at a time.  The memory implementation of the data set will always perform fastest  but does consume more memory.
 * @param state current working state of the matching process
 * @throws IOException an I/O exception has occurred
 */
static void match(MatchState state) throws IOException {
  if (state.getDataSet().getDisposed()) {
    throw new IllegalStateException("String_Node_Str");
  }
  if (state.getTargetUserAgentArray().length == 0 || state.getTargetUserAgentArray().length < state.getDataSet().getMinUserAgentLength()) {
    matchDefault(state);
  }
 else {
    evaluate(state);
    int signatureIndex=state.match.getDataSet().getSignatureSearch().binarySearch(state.getNodesList());
    if (signatureIndex >= 0) {
      state.setSignature(state.getDataSet().signatures.get(signatureIndex));
      state.setMethod(MatchMethods.EXACT);
      state.setLowestScore(0);
    }
 else {
      evaluateNumeric(state);
      signatureIndex=state.match.getDataSet().getSignatureSearch().binarySearch(state.getNodesList());
      if (signatureIndex >= 0) {
        state.setSignature(state.getDataSet().signatures.get(signatureIndex));
        state.setMethod(MatchMethods.NUMERIC);
      }
 else       if (state.getNodesList().size() > 0) {
        RankedSignatureIterator closestSignatures=getClosestSignatures(state);
        nearest.evaluateSignatures(state,closestSignatures);
        if (state.getSignature() != null) {
          state.setMethod(MatchMethods.NEAREST);
        }
 else {
          closest.evaluateSignatures(state,closestSignatures);
          state.setMethod(MatchMethods.CLOSEST);
        }
      }
    }
    if (state.getProfiles().length == 0 && state.getSignature() == null) {
      matchDefault(state);
    }
  }
}

Fixed version (ground truth):
/** 
 * Entry point to the detection process. Provided with a Match instance configured with the information about the request.  The dataSet may be used by other threads in parallel and is not assumed  to be used by only one detection process at a time.  The memory implementation of the data set will always perform fastest  but does consume more memory.
 * @param state current working state of the matching process
 * @throws IOException an I/O exception has occurred
 */
static void match(MatchState state) throws IOException {
  if (state.getDataSet().getDisposed()) {
    throw new IllegalStateException("String_Node_Str");
  }
  if (state.getTargetUserAgentArray().length == 0 || state.getTargetUserAgentArray().length < state.getDataSet().getMinUserAgentLength()) {
    matchDefault(state);
  }
 else {
    evaluate(state);
    int signatureIndex=getExactSignatureIndex(state);
    if (signatureIndex >= 0) {
      state.setSignature(state.getDataSet().signatures.get(signatureIndex));
      state.setMethod(MatchMethods.EXACT);
      state.setLowestScore(0);
    }
 else {
      evaluateNumeric(state);
      signatureIndex=getExactSignatureIndex(state);
      if (signatureIndex >= 0) {
        state.setSignature(state.getDataSet().signatures.get(signatureIndex));
        state.setMethod(MatchMethods.NUMERIC);
      }
 else       if (state.getNodesList().size() > 0) {
        RankedSignatureIterator closestSignatures=getClosestSignatures(state);
        nearest.evaluateSignatures(state,closestSignatures);
        if (state.getSignature() != null) {
          state.setMethod(MatchMethods.NEAREST);
        }
 else {
          closest.evaluateSignatures(state,closestSignatures);
          state.setMethod(MatchMethods.CLOSEST);
        }
      }
    }
    if (state.getProfiles().length == 0 && state.getSignature() == null) {
      matchDefault(state);
    }
  }
}