Environment - simulationEnvironment: startTime=0 stopTime=400 tolerance=1e-06 numberOfIntervals=4000 stepSize=0.1 Regular simulation: ./HanserModelica_HanserModelica.Thermal.Coupling -abortSlowSimulation -alarm=480 -lv LOG_STATS 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