Environment - simulationEnvironment: startTime=0 stopTime=6000 tolerance=1e-06 numberOfIntervals=5004 stepSize=1.19904 Regular simulation: ./Modelica_4.1.0_Modelica.Fluid.Examples.HeatingSystem -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS LOG_NLS | error | residualFunc497: Iteration variable `m_flow` is inf or nan. LOG_NLS | error | residualFunc497: Iteration variable `m_flow` is inf or nan. LOG_NLS | error | residualFunc497: Iteration variable `m_flow` is inf or nan. LOG_ASSERT | debug | Solving non-linear system 497 failed at time=0. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | info | simulation terminated by an assertion at initialization