Environment - simulationEnvironment: startTime=0 stopTime=1000 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.4 Regular simulation: ./BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Basic -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 WARNING: solver: Singular Jacobian for dynamic state selection in set 1 WARNING: solver: Singular Jacobian for dynamic state selection in set 1 WARNING: solver: Singular Jacobian for dynamic state selection in set 1 WARNING: solver: Singular Jacobian for dynamic state selection in set 1 WARNING: solver: Singular Jacobian for dynamic state selection in set 1 WARNING: solver: Singular Jacobian for dynamic state selection in set 1 DASKR-- AT T (=R1) AND STEPSIZE H (=R2) THE In above, R1 = 2.0470000000000E-21 R2 = 5.1200000000000E-22 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 = 11 INFO : solver: DASSL: residual evaluations nre = 12 INFO : solver: DASSL: jacobian evaluations nje = 10 INFO : solver: DASSL: root evaluations nrt = 12 INFO : solver: DASSL: error test failures netf = 0 INFO : solver: DASSL: nonlinear convergence failures ncfn = 1 INFO : solver: DASSL: nonlinear iterations nni = 11 INFO : solver: DASSL: last evaluation time t = 0.000000 INFO : solver: DASSL: last step size h = 0.000000 INFO : solver: DASSL: last used order k = 1 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 WARNING: solver: Singular Jacobian for dynamic state selection in set 1 WARNING: solver: Singular Jacobian for dynamic state selection in set 1 DASKR-- AT T (=R1) AND STEPSIZE H (=R2) THE In above, R1 = 6.2271012837786E-09 R2 = 2.1474836480000E-15 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 = 61 INFO : solver: DASSL: residual evaluations nre = 76 INFO : solver: DASSL: jacobian evaluations nje = 60 INFO : solver: DASSL: root evaluations nrt = 62 INFO : solver: DASSL: error test failures netf = 0 INFO : solver: DASSL: nonlinear convergence failures ncfn = 15 INFO : solver: DASSL: nonlinear iterations nni = 61 INFO : solver: DASSL: last evaluation time t = 0.000000 INFO : solver: DASSL: last step size h = 0.000000 INFO : solver: DASSL: last used order k = 1 ERROR : solver: SimController: Simulation failed using nonlinear solver kinsol