Environment - simulationEnvironment: startTime=0 stopTime=7200 tolerance=1e-06 numberOfIntervals=2500 stepSize=2.88 Regular simulation: ./IDEAS_IDEAS.Airflow.Multizone.Examples.NaturalVentilation -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: 7200.000000 INFO : solver: Simulation info from solver: INFO : solver: DASSL: steps taken nst = 5104 INFO : solver: DASSL: residual evaluations nre = 5221 INFO : solver: DASSL: jacobian evaluations nje = 100 INFO : solver: DASSL: root evaluations nrt = 5114 INFO : solver: DASSL: error test failures netf = 2 INFO : solver: DASSL: nonlinear convergence failures ncfn = 2 INFO : solver: DASSL: nonlinear iterations nni = 5221 INFO : solver: DASSL: last evaluation time t = 7200.319007 INFO : solver: DASSL: last step size h = 1.440000 INFO : solver: DASSL: last used order k = 5