Environment - simulationEnvironment: startTime=0 stopTime=86400 tolerance=1e-06 numberOfIntervals=2500 stepSize=34.56 Regular simulation: ./Buildings_latest_Buildings.Experimental.DHC.Examples.Steam.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 = 6.4563604257983E-03 R2 = 5.6294995342131E-10 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 = 153 INFO : solver: DASSL: residual evaluations nre = 206 INFO : solver: DASSL: jacobian evaluations nje = 153 INFO : solver: DASSL: root evaluations nrt = 154 INFO : solver: DASSL: error test failures netf = 0 INFO : solver: DASSL: nonlinear convergence failures ncfn = 52 INFO : solver: DASSL: nonlinear iterations nni = 155 INFO : solver: DASSL: last evaluation time t = 0.006456 INFO : solver: DASSL: last step size h = 0.000295 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 ERROR : init : SimManager: Could not initialize system ERROR : init : SimManager: Nonlinear solver 798 stopped at time 0 with error in algloop solver: Nonlinear solver failed! ERROR : solver: SimController: Simulation failed using nonlinear solver kinsol