Experiments need to cleanup residual events on exit. Empty MemAccessTracingTest-dir removed.

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1245 8c4709b5-6ec9-48aa-a5cd-a96041d1645a

core/experiments/weathermonitor/experiment.cc

@@ -98,6 +98,7 @@ bool WeathermonitorExperiment::run()
 	std::ofstream of(tracefile);
 	if (of.fail()) {
 		log << "failed to write " << tracefile << endl;
+		sal::simulator.clearEvents(this); // cleanup
 		return false;
 	}
 	trace.SerializeToOstream(&of);