Environment - simulationEnvironment: startTime=0 stopTime=600 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.24 Regular simulation: ./Buildings_11_Buildings.Fluid.Sources.Examples.TraceSubstancesFlowSource -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS LOG_ASSERT | debug | division by zero at time 0, (a=4.999999999985448) / (b=0), where divisor b expression is: res7.m_flow_nominal_pos / res7.m_flow_nominal_pos ^ 2.0 LOG_ASSERT | error | Failed to solve the initialization problem with global homotopy with equidistant step size. LOG_ASSERT | debug | Unable to solve initialization problem. LOG_ASSERT | info | simulation terminated by an assertion at initialization