java.lang.RuntimeException: Execution failed at ptolemy.moml.MoMLSimpleApplication$UnloadThread.run(MoMLSimpleApplication.java:402) Caused by: ptolemy.kernel.util.IllegalActionException: Unknown inputs remain. Possible causality loop: L_model_1893289564i in .CannotAnalysisWithPreemption.model_1893289564_region_1 and .CannotAnalysisWithPreemption.model_1893289564_region_1.L_model_1893289564i at ptolemy.actor.sched.FixedPointDirector.postfire(FixedPointDirector.java:515) at ptolemy.domains.sr.kernel.SRDirector.postfire(SRDirector.java:417) at ptolemy.actor.CompositeActor.postfire(CompositeActor.java:1668) at ptolemy.actor.Manager.iterate(Manager.java:852) at ptolemy.actor.Manager.execute(Manager.java:369) at ptolemy.actor.Manager.run(Manager.java:1263) at ptolemy.actor.Manager$PtolemyRunThread.run(Manager.java:1933) java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490) at ptolemy.util.test.junit.AutoKnownFailedTests.RunModel(AutoKnownFailedTests.java:105) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) at junitparams.internal.InvokeParameterisedMethod.evaluate(InvokeParameterisedMethod.java:102) at org.junit.internal.runners.statements.FailOnTimeout$1.run(FailOnTimeout.java:28) Caused by: ptolemy.kernel.util.IllegalActionException: Unknown inputs remain. Possible causality loop: L_model_1893289564i in .CannotAnalysisWithPreemption.model_1893289564_region_1 and .CannotAnalysisWithPreemption.model_1893289564_region_1.L_model_1893289564i at ptolemy.actor.sched.FixedPointDirector.postfire(FixedPointDirector.java:515) at ptolemy.domains.sr.kernel.SRDirector.postfire(SRDirector.java:417) at ptolemy.actor.CompositeActor.postfire(CompositeActor.java:1668) at ptolemy.actor.Manager.iterate(Manager.java:852) at ptolemy.actor.Manager.execute(Manager.java:369) at ptolemy.actor.Manager.run(Manager.java:1263) at ptolemy.actor.Manager$PtolemyRunThread.run(Manager.java:1933)