Environment - simulationEnvironment: startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./IDEAS_dev_IDEAS.Airflow.Multizone.Examples.ReverseBuoyancy -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: 3600.000000 INFO : solver: Simulation info from solver: INFO : solver: DASSL: steps taken nst = 2765 INFO : solver: DASSL: residual evaluations nre = 3086 INFO : solver: DASSL: jacobian evaluations nje = 187 INFO : solver: DASSL: root evaluations nrt = 2824 INFO : solver: DASSL: error test failures netf = 5 INFO : solver: DASSL: nonlinear convergence failures ncfn = 31 INFO : solver: DASSL: nonlinear iterations nni = 3086 INFO : solver: DASSL: last evaluation time t = 3600.048895 INFO : solver: DASSL: last step size h = 1.440000 INFO : solver: DASSL: last used order k = 3