/**
* Starts and execute the ImmediateChecksParser for parsing those Variables/functions that should
* be checked for security violation at every state.
*
* @param pFile the file to be parsed.
*/
@SuppressWarnings("resource")
public ImmediateChecksParser(LogManager pLogger, Path pFile) {
set = new TreeSet<>();
List<String> contents = null;
try {
contents = Files.readAllLines(pFile, Charset.defaultCharset());
} catch (IOException e) {
pLogger.logUserException(
Level.WARNING, e, "Could not read intial security mapping from file named " + pFile);
return;
}
for (String strLine : contents) {
if (strLine.trim().isEmpty()) {
continue;
} else if (strLine.contains(";")) {
int sem = strLine.indexOf(";");
Variable var = new Variable(strLine.substring(0, sem));
if (!set.contains(var)) {
set.add(var);
}
}
}
}
/**
* This method exports the current representation in dot format to the given file.
*
* @param file file the file to write to
*/
public void exportToDot(PathTemplate file, int refinementCounter) {
StringBuilder result = new StringBuilder().append("digraph tree {" + "\n");
for (Map.Entry<ARGState, ARGState> current : successorRelation.entries()) {
if (interpolants.containsKey(current.getKey())) {
StringBuilder sb = new StringBuilder();
sb.append("itp is " + interpolants.get(current.getKey()));
result.append(
current.getKey().getStateId()
+ " [label=\""
+ (current.getKey().getStateId()
+ " / "
+ AbstractStates.extractLocation(current.getKey()))
+ " has itp "
+ (sb.toString())
+ "\"]"
+ "\n");
result.append(
current.getKey().getStateId()
+ " -> "
+ current.getValue().getStateId()
+ "\n"); // + " [label=\"" +
// current.getKey().getEdgeToChild(current.getValue()).getRawStatement().replace("\n", "") + "\"]\n");
} else {
result.append(
current.getKey().getStateId()
+ " [label=\""
+ current.getKey().getStateId()
+ " has itp NA\"]"
+ "\n");
result.append(
current.getKey().getStateId()
+ " -> "
+ current.getValue().getStateId()
+ "\n"); // + " [label=\"" +
// current.getKey().getEdgeToChild(current.getValue()).getRawStatement().replace("\n", "") + "\"]\n");
}
if (current.getValue().isTarget()) {
result.append(
current.getValue().getStateId() + " [style=filled, fillcolor=\"red\"]" + "\n");
}
assert (!current.getKey().isTarget());
}
result.append("}");
try {
MoreFiles.writeFile(
file.getPath(refinementCounter, interpolationCounter), Charset.defaultCharset(), result);
} catch (IOException e) {
logger.logUserException(Level.WARNING, e, "Could not write interpolation tree to file");
}
}
@SuppressWarnings("unchecked")
@Override
public void printStatistics(PrintStream out, Result result, ReachedSet reached) {
StatisticsData statistics;
if (cpa.isAnalysis()) {
statistics = cpa.getFactory().getGlobalAnalysis();
} else {
StatisticsState lastState = (StatisticsState) reached.getLastState();
if (lastState == null) {
for (AbstractState abstractState : reached.asCollection()) {
if (abstractState != null) {
lastState = (StatisticsState) reached.getLastState();
}
}
}
statistics = lastState.getStatistics();
}
Map<String, Object> jsonMap = new HashMap<>();
for (Entry<StatisticsProvider, StatisticsDataProvider> entry : statistics) {
StatisticsProvider provider = entry.getKey();
StatisticsDataProvider data = entry.getValue();
String propName = provider.getPropertyName();
Object value = data.getPropertyValue();
String mergeInfo = "";
if (!cpa.isAnalysis()) {
String mergeType = provider.getMergeType();
mergeInfo = "_" + mergeType;
// Save in json with merge type
Map<String, Object> innerJsonMap;
if (jsonMap.containsKey(propName)) {
innerJsonMap = (Map<String, Object>) jsonMap.get(propName);
} else {
innerJsonMap = new HashMap<>();
jsonMap.put(propName, innerJsonMap);
}
innerJsonMap.put(mergeType, value);
} else {
// Save in json without merge type
jsonMap.put(propName, value);
}
out.println("\t" + propName + mergeInfo + ": " + value);
}
if (statisticsCPAFile != null) {
try {
JSON.writeJSONString(jsonMap, statisticsCPAFile);
} catch (IOException e) {
logger.logUserException(Level.WARNING, e, "Could not write statistics to file");
}
}
}
@Override
public AlgorithmStatus run(ReachedSet pReached) throws CPAException, InterruptedException {
checkArgument(
pReached instanceof ForwardingReachedSet, "RestartAlgorithm needs ForwardingReachedSet");
ForwardingReachedSet reached = (ForwardingReachedSet) pReached;
CFANode mainFunction = AbstractStates.extractLocation(pReached.getFirstState());
assert mainFunction != null : "Location information needed";
AlgorithmStatus status = AlgorithmStatus.UNSOUND_AND_PRECISE;
try {
ReachedSetFactory reachedSetFactory = new ReachedSetFactory(globalConfig);
// predicate analysis
logger.log(Level.FINE, "Creating CPA for PredicateAnalysis");
Configuration singleConfig1 = getConfigFromFile(configFiles.get(0));
ConfigurableProgramAnalysis cpa1 = getCPA(reachedSetFactory, singleConfig1);
Algorithm algorithm1 = getAlgorithm(shutdownNotifier, singleConfig1, logger, cpa1);
ReachedSet reached1 =
createInitialReachedSetForRestart(cpa1, mainFunction, singleConfig1, logger);
reached.setDelegate(reached1);
stats.noOfAlgorithmsUsed++;
stats.totalTime.start();
status = run0(reached1, algorithm1);
// stats.printIntermediateStatistics(System.out, Result.UNKNOWN, reached); // disabled,
// because table-generator can not distinguish 1st and 2nd statistics.
stats.resetSubStatistics();
// predicate bit-precise analysis
logger.log(Level.FINE, "Creating CPA for PredicateAnalysis-Bitprecise");
Configuration singleConfig2 = getConfigFromFile(configFiles.get(1));
ConfigurableProgramAnalysis cpa2 = getCPA(reachedSetFactory, singleConfig2);
{
// this is the important step: re-use the reached-set
ARGReplayCPA argReplay = CPAs.retrieveCPA(cpa2, ARGReplayCPA.class);
checkNotNull(argReplay, "ARGReplay-CPA is needed for second analysis");
argReplay.setARGAndCPA(reached1, cpa1);
}
Algorithm algorithm2 = getAlgorithm(shutdownNotifier, singleConfig2, logger, cpa2);
ReachedSet reached2 =
createInitialReachedSetForRestart(cpa2, mainFunction, singleConfig2, logger);
reached.setDelegate(reached2);
stats.noOfAlgorithmsUsed++;
stats.totalTime.start();
status = run0(reached2, algorithm2);
stats.printIntermediateStatistics(System.out, Result.UNKNOWN, reached);
stats.resetSubStatistics();
} catch (InvalidConfigurationException e) {
logger.logUserException(
Level.WARNING, e, "Exiting analysis because the configuration file is invalid");
} catch (IOException e) {
logger.logUserException(
Level.WARNING, e, "Exiting analysis because the configuration file could not be read");
} finally {
// TODO close CPAs and algorithms
}
return status;
}