Fixed bug where children of SEQ gates were not properly enabled

src/storm-dft/storage/dft/DFTState.cpp

@@ -259,16 +259,16 @@ namespace storm {
                 STORM_LOG_ASSERT(restriction->containsChild(id), "Ids do not match.");
                 if (restriction->isSeqEnforcer()) {
                     for (auto it = restriction->children().cbegin(); it != restriction->children().cend(); ++it) {
-                        if ((*it)->isBasicElement()) {
                         if ((*it)->id() != id) {
                             if (!hasFailed((*it)->id())) {
                                 // Failure should be prevented later on
-                                    STORM_LOG_TRACE("Child " << (*it)->id() << " should have failed.");
+                                STORM_LOG_TRACE("Child " << (*it)->name() << " should have failed.");
+                                break;
                             }
                         } else {
                             // Current event has failed
                             ++it;
-                                if (it != restriction->children().cend()) {
+                            if (it != restriction->children().cend() && (*it)->isBasicElement()) {
                                 // Enable next event
                                 failableElements.addBE((*it)->id());
                                 STORM_LOG_TRACE("Added possible BE failure: " << *(*it));
@@ -277,7 +277,6 @@ namespace storm {
                             break;
                         }
                     }
-                    }
                 } else if (restriction->isMutex()) {
                     // Current element has failed and disables all other children
                     for (auto const& child : restriction->children()) {