Environment - simulationEnvironment: startTime=7.776e+06 stopTime=8.64e+06 tolerance=1e-06 numberOfIntervals=2500 stepSize=345.6 Regular simulation: ./Buildings_latest_Buildings.DHC.Examples.Combined.ETSHeatRecoveryHeatPump_BuildingTimeSeries.WithoutDHW -abortSlowSimulation -alarm=800 -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_STDOUT | info | ... loading "tab1" from "/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Resources/Data/DHC/Loads/Examples/JBA_ClusterA_futu_tendays.mos" LOG_STDOUT | info | ... loading "tab1" from "/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Resources/Data/DHC/Loads/Examples/JBA_ClusterA_futu_tendays.mos" 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