std::cout 	<< "AtomicActivity2:" << std::endl
			<< "\tinput: " << sin->input.getValue() << std::endl;
	if (sin->input.getValue()) {
		#include <sstream>
		std::stringstream ss;
		ss << "Test Failure: input  [" << sin->input.getValue() << "] is not false.";
		throw wfr::exception::wfr_fatal_error(ss.str());
	}
	sout->output.setValue(-10);