Environment - simulationEnvironment: startTime=0 stopTime=172800 tolerance=1e-06 numberOfIntervals=2500 stepSize=69.12 Regular simulation: ./Buildings_11_Buildings.Examples.VAVCO2.VAVSystemCTControl -abortSlowSimulation -alarm=400 -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 = 2.6674231384407E+04 R2 = 3.2958984375000E-05 DASKR-- NONLINEAR SOLVER FAILED TO CONVERGE DASKR-- REPEATEDLY OR WITH ABS(H)=HMIN ERROR : solver: SimManager: Simulation stopped with errors before t = 172800.000000 ERROR : solver: SimManager: DASSL: solve failed with idid = -7 INFO : solver: SimManager: Simulation stop time: 172800.000000 INFO : solver: Simulation info from solver: INFO : solver: DASSL: steps taken nst = 3940 INFO : solver: DASSL: residual evaluations nre = 7817 INFO : solver: DASSL: jacobian evaluations nje = 4534 INFO : solver: DASSL: root evaluations nrt = 3942 INFO : solver: DASSL: error test failures netf = 14 INFO : solver: DASSL: nonlinear convergence failures ncfn = 1472 INFO : solver: DASSL: nonlinear iterations nni = 7817 INFO : solver: DASSL: last evaluation time t = 26674.231384 INFO : solver: DASSL: last step size h = 34.560000 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: 172800.000000 INFO : solver: Simulation info from solver: INFO : solver: DASSL: steps taken nst = 6892 INFO : solver: DASSL: residual evaluations nre = 8668 INFO : solver: DASSL: jacobian evaluations nje = 630 INFO : solver: DASSL: root evaluations nrt = 6935 INFO : solver: DASSL: error test failures netf = 201 INFO : solver: DASSL: nonlinear convergence failures ncfn = 33 INFO : solver: DASSL: nonlinear iterations nni = 8668 INFO : solver: DASSL: last evaluation time t = 172819.033181 INFO : solver: DASSL: last step size h = 34.560000 INFO : solver: DASSL: last used order k = 1