Environment - simulationEnvironment: startTime=0 stopTime=3.1536e+07 tolerance=1e-06 numberOfIntervals=2500 stepSize=12614.4 Regular simulation: ./Buildings_13_Buildings.Fluid.Geothermal.ZonedBorefields.Validation.TransientBoreholeDynamics -abortSlowSimulation -alarm=240 -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 13.0.2-maint.13.x/Resources/Data/Fluid/Geothermal/ZonedBorefields/Validation/SteadyStateBoreholeDynamics.txt" LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_STDOUT | info | ##IDA## -4 error occurred at time = 501105.024789832 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 501105 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0s reading init.xml | | | | | | 0s reading info.xml | | | | | | 0.000125496s [ 0.0%] pre-initialization | | | | | | 0.767826s [ 76.2%] initialization | | | | | | 0s [ 0.0%] steps | | | | | | 0.0249073s [ 2.5%] solver (excl. callbacks) | | | | | | 5.09e-06s [ 0.0%] creating output-file | | | | | | 0.0855543s [ 8.5%] event-handling | | | | | | 0s [ 0.0%] overhead | | | | | | 0.129421s [ 12.8%] simulation | | | | | | 1.00784s [100.0%] total | | | | | events | | | | | | 0 state events | | | | | | 140 time events | | | | | solver: ida | | | | | | 3241 steps taken | | | | | | 4946 calls of functionODE | | | | | | 2219 evaluations of jacobian | | | | | | 25 error test failures | | | | | | 15 convergence test failures | | | | | | 0.136043s time of jacobian evaluation