startTime=0 stopTime=10000 tolerance=1e-06 numberOfIntervals=2500 stepSize=4 Regular simulation: ./Buildings_maint.8.0.x_Buildings.Fluid.CHPs.Validation.ThermalFollowing -abortSlowSimulation -alarm=480 -lv LOG_STATS stdout | info | ... loading "tab1" from "/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/Resources/Data/Fluid/CHPs/Validation/MicroCogeneration.mos" LOG_SUCCESS | info | The initialization finished successfully without homotopy method. stdout | info | ##IDA## -6 error occurred at time = 4462.73776830526 stdout | info | model terminate | Integrator failed. | Simulation terminated at time 4462.74 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.033256s reading init.xml | | | | | | 0.0032105s reading info.xml | | | | | | 0.000287069s [ 0.6%] pre-initialization | | | | | | 0.00302989s [ 6.1%] initialization | | | | | | 0.000347131s [ 0.7%] steps | | | | | | 0.0158157s [ 32.0%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.00148591s [ 3.0%] event-handling | | | | | | 0.00378361s [ 7.7%] overhead | | | | | | 0.0246025s [ 49.9%] simulation | | | | | | 0.0493519s [100.0%] total | | | | | events | | | | | | 8 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 2839 steps taken | | | | | | 4220 calls of functionODE | | | | | | 719 evaluations of jacobian | | | | | | 251 error test failures | | | | | | 8 convergence test failures | | | | | | 0.00584515s time of jacobian evaluation