Environment - simulationEnvironment: startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./Buildings_13_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.HexInternalElement -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_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_STDOUT | info | ##IDA## -4 error occurred at time = 0.0274805096378677 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 0.0274805 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0s reading init.xml | | | | | | 0s reading info.xml | | | | | | 5.2129e-05s [ 8.5%] pre-initialization | | | | | | 0.00021787s [ 35.7%] initialization | | | | | | 0s [ 0.0%] steps | | | | | | 6.2302e-05s [ 10.2%] solver (excl. callbacks) | | | | | | 1.272e-06s [ 0.2%] creating output-file | | | | | | 0s [ 0.0%] event-handling | | | | | | 0s [ 0.0%] overhead | | | | | | 0.000276506s [ 45.3%] simulation | | | | | | 0.000610079s [100.0%] total | | | | | events | | | | | | 0 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 33 steps taken | | | | | | 88 calls of functionODE | | | | | | 71 evaluations of jacobian | | | | | | 5 error test failures | | | | | | 35 convergence test failures | | | | | | 0.000187622s time of jacobian evaluation