Environment - simulationEnvironment: startTime=0 stopTime=1000 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.4 Regular simulation: ./BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified2 -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 DASKR-- AT T (=R1) AND STEPSIZE H (=R2) THE In above, R1 = 2.8356334990106E-01 R2 = 7.2057594037928E-08 DASKR-- NONLINEAR SYSTEM SOLVER COULD NOT CONVERGE DASKR-- BECAUSE IRES WAS EQUAL TO MINUS ONE ERROR : solver: SimManager: Simulation stopped with errors before t = 1000.000000 ERROR : solver: SimManager: DASSL: solve failed with idid = -10 INFO : solver: SimManager: Simulation stop time: 1000.000000 INFO : solver: Simulation info from solver: INFO : solver: DASSL: steps taken nst = 84 INFO : solver: DASSL: residual evaluations nre = 102 INFO : solver: DASSL: jacobian evaluations nje = 77 INFO : solver: DASSL: root evaluations nrt = 85 INFO : solver: DASSL: error test failures netf = 0 INFO : solver: DASSL: nonlinear convergence failures ncfn = 11 INFO : solver: DASSL: nonlinear iterations nni = 91 INFO : solver: DASSL: last evaluation time t = 0.283563 INFO : solver: DASSL: last step size h = 0.075558 INFO : solver: DASSL: last used order k = 2 ERROR : solver: SimController: Simulation failed using nonlinear solver newton ERROR : solver: SimController: Recovering with nonlinear solver kinsol INFO : solver: SimManager: Start initialization INFO : solver: SimManager: Start simulation at t = 0.000000 DASKR-- AT T (=R1) AND STEPSIZE H (=R2) THE In above, R1 = 6.6218780517578E+00 R2 = 5.8207660913467E-12 DASKR-- NONLINEAR SYSTEM SOLVER COULD NOT CONVERGE DASKR-- BECAUSE IRES WAS EQUAL TO MINUS ONE ERROR : solver: SimManager: Simulation stopped with errors before t = 1000.000000 ERROR : solver: SimManager: DASSL: solve failed with idid = -10 INFO : solver: SimManager: Simulation stop time: 1000.000000 INFO : solver: Simulation info from solver: INFO : solver: DASSL: steps taken nst = 240 INFO : solver: DASSL: residual evaluations nre = 385 INFO : solver: DASSL: jacobian evaluations nje = 187 INFO : solver: DASSL: root evaluations nrt = 246 INFO : solver: DASSL: error test failures netf = 7 INFO : solver: DASSL: nonlinear convergence failures ncfn = 62 INFO : solver: DASSL: nonlinear iterations nni = 326 INFO : solver: DASSL: last evaluation time t = 6.621878 INFO : solver: DASSL: last step size h = 0.000003 INFO : solver: DASSL: last used order k = 3 ERROR : solver: SimController: Simulation failed using nonlinear solver kinsol