Stopped flag is now set true after simulate_until loop is finished (#656

)

* Stopped flag is now set true after simulate_until loop is finished

* Removed unnecessary space

Co-authored-by: MAGSTE <magnus.steinsto@dnv.com>

src/cosim/execution.cpp

@@ -152,7 +152,9 @@ class execution::impl
                 stepSize = step();
                 timer_.sleep(currentTime_);
             } while (!stopped_ && !timed_out(endTime, currentTime_, stepSize));
-            return !stopped_;
+            bool isStopped = stopped_;
+            stopped_ = true;
+            return !isStopped;
         });
     }