Environment - simulationEnvironment: startTime=0 stopTime=86400 tolerance=1e-06 numberOfIntervals=2500 stepSize=34.56 Regular simulation: ./Buildings_latest_Buildings.Fluid.HydronicConfigurations.PassiveNetworks.Examples.SingleMixing -abortSlowSimulation -alarm=800 -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 ERROR : solver: DASSL: failed step at t = 21602.160000: Nonlinear solver 4246 stopped at time 21602.2 with error in algloop solver: can't get sufficient decrease of solution, lambda = 1.000000, phi = nan ERROR : solver: SimManager: Simulation stopped with errors before t = 86400.000000 ERROR : solver: SimManager: DASSL: solve failed with idid = 1 INFO : solver: SimManager: Simulation stop time: 86400.000000 INFO : solver: Simulation info from solver: INFO : solver: DASSL: steps taken nst = 821 INFO : solver: DASSL: residual evaluations nre = 907 INFO : solver: DASSL: jacobian evaluations nje = 110 INFO : solver: DASSL: root evaluations nrt = 823 INFO : solver: DASSL: error test failures netf = 8 INFO : solver: DASSL: nonlinear convergence failures ncfn = 6 INFO : solver: DASSL: nonlinear iterations nni = 907 INFO : solver: DASSL: last evaluation time t = 21602.160000 INFO : solver: DASSL: last step size h = 2.160000 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 INFO : solver: SimManager: Simulation stop time: 86400.000000 INFO : solver: Simulation info from solver: INFO : solver: DASSL: steps taken nst = 5681 INFO : solver: DASSL: residual evaluations nre = 8267 INFO : solver: DASSL: jacobian evaluations nje = 976 INFO : solver: DASSL: root evaluations nrt = 5707 INFO : solver: DASSL: error test failures netf = 358 INFO : solver: DASSL: nonlinear convergence failures ncfn = 80 INFO : solver: DASSL: nonlinear iterations nni = 8267 INFO : solver: DASSL: last evaluation time t = 86433.348505 INFO : solver: DASSL: last step size h = 34.560000 INFO : solver: DASSL: last used order k = 2