Environment - simulationEnvironment: startTime=0 stopTime=40 tolerance=1e-06 numberOfIntervals=2000 stepSize=0.02 Regular simulation: ./PowerGrids_dev_PowerGrids.Electrical.Test.SynchronousMachine4WindingsPF -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 free(): invalid pointer