Environment - simulationEnvironment: startTime=0 stopTime=5 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.002 Regular simulation: ./ModelicaTest_4.0.0_ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes3 -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. assert | debug | Solving non-linear system 640 failed at time=1.00000000020001. | | | | For more information please use -lv LOG_NLS.