Environment - simulationEnvironment: startTime=0 stopTime=1 tolerance=1e-06 numberOfIntervals=500 stepSize=0.002 Regular simulation: ./IDADistricts_OB_IDADistricts.Benchmarks.Network_109uniqueCustomers -abortSlowSimulation -alarm=240 -lv LOG_STATS LOG_STDOUT | info | ... loading "dhw" from "/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDADistricts main/Resources/Data/dhw_150_l7daymo.prn" LOG_STDOUT | info | ... loading "load" from "/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDADistricts main/Resources/Data/01_OIB_residential_1_2mo.prn" LOG_STDOUT | info | ... loading "climate" from "/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDADistricts main/Resources/Data/Graz-hour_stdmo.prn" LOG_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_STDOUT | info | Chattering detected around time 6.23381935436e-18..0.000627194342842 (100 state events in a row with a total time delta less than 0.005, the smaller of the step size and 1e-09 times the simulation interval). This can be a performance bottleneck. Use -lv LOG_EVENTS for more information. The zero-crossing was: abs(pipebundle_117.pipen[1].Vel) > pipebundle_117.pipen[1].v0 and /*Real*/(sign(pipebundle_117.pipen[1].Vel)) * pre(pipebundle_117.pipen[1].FlowDir) <= 0.0 LOG_ASSERT | debug | Aborting simulation due to chattering being detected and the simulation flags requesting we do not continue further. LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0s reading init.xml | | | | | | 0s reading info.xml | | | | | | 4.4993e-05s [ 0.0%] pre-initialization | | | | | | 0.012011s [ 0.1%] initialization | | | | | | 0s [ 0.0%] steps | | | | | | 0.39242s [ 4.8%] solver (excl. callbacks) | | | | | | 7.3597e-05s [ 0.0%] creating output-file | | | | | | 2.44013s [ 29.9%] event-handling | | | | | | 0s [ 0.0%] overhead | | | | | | 5.31576s [ 65.1%] simulation | | | | | | 8.16044s [100.0%] total | | | | | events | | | | | | 100 state events | | | | | | 0 time events | | | | | solver: dassl | | | | | | 100 steps taken | | | | | | 100 calls of functionODE | | | | | | 100 evaluations of jacobian | | | | | | 0 error test failures | | | | | | 0 convergence test failures | | | | | | 5.15929s time of jacobian evaluation