Environment - simulationEnvironment: startTime=0 stopTime=1.54656e+07 tolerance=1e-06 numberOfIntervals=11377 stepSize=1359.37 Regular simulation: ./Buildings_latest_Buildings.Fluid.Geothermal.ZonedBorefields.Validation.FEFLOW.InletTemperaturePulse -abortSlowSimulation -alarm=800 -emit_protected -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/Fluid/Geothermal/ZonedBorefields/Validation/FEFLOW/InletTemperaturePulse.txt" LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_STDOUT | info | ##IDA## -4 error occurred at time = 18.0001007266515 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 18.0001 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.913077s reading init.xml | | | | | | 0.0383829s reading info.xml | | | | | | 0.0295635s [ 0.1%] pre-initialization | | | | | | 43.8308s [ 99.7%] initialization | | | | | | 0.0130929s [ 0.0%] steps | | | | | | 43.8533s [ 99.7%] solver (excl. callbacks) | | | | | | 0.0311851s [ 0.1%] creating output-file | | | | | | 0.0250766s [ 0.1%] event-handling | | | | | | 0.000102231s [ 0.0%] overhead | | | | | | -43.7999s [-99.6%] simulation | | | | | | 43.9832s [100.0%] total | | | | | events | | | | | | 2 state events | | | | | | 1 time events | | | | | solver: ida | | | | | | 119 steps taken | | | | | | 178 calls of functionODE | | | | | | 73 evaluations of jacobian | | | | | | 6 error test failures | | | | | | 18 convergence test failures | | | | | | 0.0997007s time of jacobian evaluation