Environment - simulationEnvironment: startTime=0 stopTime=1 tolerance=1e-06 numberOfIntervals=1000 stepSize=0.001 Regular simulation: ./ThermofluidStream_ThermofluidStream.Undirected.FlowControl.Tests.CheckValve -abortSlowSimulation -alarm=1200 -emit_protected -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