Environment - simulationEnvironment: startTime=6.5e+06 stopTime=7e+06 tolerance=1e-06 numberOfIntervals=2500 stepSize=200 Regular simulation: ./Buildings_latest_Buildings.DHC.ETS.Combined.Examples.ChillerOnly -abortSlowSimulation -alarm=480 -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 11.0.1-master/Resources/Data/DHC/Loads/Examples/MediumOffice-90.1-2010-5A.mos" LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_STDOUT | info | ##IDA## -6 error occurred at time = 6584386.17984 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 6.58439e+06 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.123574s reading init.xml | | | | | | 0.0106892s reading info.xml | | | | | | 0.0030833s [ 0.1%] pre-initialization | | | | | | 0.00492956s [ 0.2%] initialization | | | | | | 0.00347324s [ 0.1%] steps | | | | | | 0.993254s [ 32.2%] solver (excl. callbacks) | | | | | | 0.0169922s [ 0.6%] creating output-file | | | | | | 1.02723s [ 33.3%] event-handling | | | | | | 0.034449s [ 1.1%] overhead | | | | | | 1.00369s [ 32.5%] simulation | | | | | | 3.0871s [100.0%] total | | | | | events | | | | | | 1 state events | | | | | | 1406 time events | | | | | solver: ida | | | | | | 16461 steps taken | | | | | | 21150 calls of functionODE | | | | | | 13318 evaluations of jacobian | | | | | | 0 error test failures | | | | | | 3 convergence test failures | | | | | | 2.15319s time of jacobian evaluation