Environment - simulationEnvironment: startTime=0 stopTime=86400 tolerance=1e-06 numberOfIntervals=2500 stepSize=34.56 Regular simulation: ./Buildings_10_Buildings.Experimental.DHC.Plants.Steam.Examples.SingleBoiler -abortSlowSimulation -alarm=480 -emit_protected -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 = 6.6785691475326E+04 R2 = 1.6479492187500E-05 DASKR-- NONLINEAR SYSTEM SOLVER COULD NOT CONVERGE DASKR-- BECAUSE IRES WAS EQUAL TO MINUS ONE ERROR : solver: SimManager: Simulation stopped with errors before t = 86400.000000 ERROR : solver: SimManager: DASSL: solve failed with idid = -10 INFO : solver: SimManager: Simulation stop time: 86400.000000 INFO : solver: Simulation info from solver: INFO : solver: DASSL: steps taken nst = 71610 INFO : solver: DASSL: residual evaluations nre = 146390 INFO : solver: DASSL: jacobian evaluations nje = 104183 INFO : solver: DASSL: root evaluations nrt = 71611 INFO : solver: DASSL: error test failures netf = 36 INFO : solver: DASSL: nonlinear convergence failures ncfn = 34702 INFO : solver: DASSL: nonlinear iterations nni = 146161 INFO : solver: DASSL: last evaluation time t = 66785.691475 INFO : solver: DASSL: last step size h = 17.280000 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 INFO : solver: SimManager: Simulation stop time: 86400.000000 INFO : solver: Simulation info from solver: INFO : solver: DASSL: steps taken nst = 5453 INFO : solver: DASSL: residual evaluations nre = 6209 INFO : solver: DASSL: jacobian evaluations nje = 166 INFO : solver: DASSL: root evaluations nrt = 5454 INFO : solver: DASSL: error test failures netf = 36 INFO : solver: DASSL: nonlinear convergence failures ncfn = 3 INFO : solver: DASSL: nonlinear iterations nni = 6206 INFO : solver: DASSL: last evaluation time t = 86400.459421 INFO : solver: DASSL: last step size h = 17.280000 INFO : solver: DASSL: last used order k = 3