Environment - simulationEnvironment: startTime=0 stopTime=100 tolerance=1e-06 numberOfIntervals=50000 stepSize=0.002 Regular simulation: ./PowerGrids_PowerGrids.Electrical.Test.SynchronousMachine4WindingsPowerSwing -abortSlowSimulation -alarm=480 -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 free(): invalid pointer