Environment - simulationEnvironment: startTime=0 stopTime=1 tolerance=1e-06 numberOfIntervals=1000 stepSize=0.001 Regular simulation: ./Modelica_3.2.3_Modelica.Thermal.FluidHeatFlow.Examples.TwoMass -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS LOG_STDOUT | warning | Internal Numerical Jacobians without coloring are currently not supported by IDA with KLU. Colored numerical Jacobian will be used. LOG_ASSERT | debug | ##IDA## In function IDAGetNumNonlinSolvIters: The linear solver's setup function failed in an unrecoverable manner. LOG_ASSERT | info | simulation terminated by an assertion at initialization