Environment - simulationEnvironment: startTime=0 stopTime=10 tolerance=1e-08 numberOfIntervals=500 stepSize=0.02 Regular simulation: ./IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstanceReverseFlow -abortSlowSimulation -alarm=480 -lv LOG_STATS WARNING: other : Warning: unrecognized command line options -abortSlowSimulation INFO : solver: SimManager: Start initialization INFO : solver: SimManager: Start simulation at t = 0.000000 INFO : solver: SimManager: Simulation stop time: 10.000000 INFO : solver: Simulation info from solver: INFO : solver: DASSL: steps taken nst = 607 INFO : solver: DASSL: residual evaluations nre = 659 INFO : solver: DASSL: jacobian evaluations nje = 85 INFO : solver: DASSL: root evaluations nrt = 621 INFO : solver: DASSL: error test failures netf = 5 INFO : solver: DASSL: nonlinear convergence failures ncfn = 0 INFO : solver: DASSL: nonlinear iterations nni = 659 INFO : solver: DASSL: last evaluation time t = 10.010217 INFO : solver: DASSL: last step size h = 0.020000 INFO : solver: DASSL: last used order k = 4