debug output now only appears with log level

src/storm-counterexamples/counterexamples/SMTMinimalLabelSetGenerator.h

@@ -1848,10 +1848,10 @@ namespace storm {
                     if (static_cast<uint64_t>(durationSinceLastMessage) >= progressDelay || lastSize < commandSet.size()) {
                         auto milliseconds = std::chrono::duration_cast<std::chrono::milliseconds>(now - totalClock).count();
                         if (lastSize < commandSet.size()) {
-                            std::cout << "Improved lower bound to " << currentBound << " after " << milliseconds << "ms." << std::endl;
+                            STORM_LOG_DEBUG("Improved lower bound to " << currentBound << " after " << milliseconds << "ms.");
                             lastSize = commandSet.size();
                         } else {
-                            std::cout << "Lower bound on label set size is " << currentBound << " after " << milliseconds << "ms (checked " << iterations << " models, " << zeroProbabilityCount << " could not reach the target set)." << std::endl;
+                            STORM_LOG_DEBUG("Lower bound on label set size is " << currentBound << " after " << milliseconds << "ms (checked " << iterations << " models, " << zeroProbabilityCount << " could not reach the target set).");
                             timeOfLastMessage = std::chrono::high_resolution_clock::now();
                         }
                     }