Environment - simulationEnvironment: startTime=0 stopTime=2000 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.8 Regular simulation: ./Buildings_latest_Buildings.Experimental.DHC.Plants.Combined.Subsystems.Validation.ChillerHeatRecoveryGroup -abortSlowSimulation -alarm=480 -s cvode -emit_protected -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_ASSERT | debug | ##CVODE## Desired step to small! LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:99:3-99:89:writable] | | | | The following assertion has been violated at time 0.400000 | | | | ((pumChiWat.pum.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= pumChiWat.pum.etaHyd, has value: -2.67932e-21" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:99:3-99:89:writable] | | | | The following assertion has been violated at time 0.400000 | | | | ((pumConWatCon.pum.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= pumConWatCon.pum.etaHyd, has value: -2.67932e-21" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/Fluid/Movers/BaseClasses/FlowMachineInterface.mo:311:3-315:28:writable] | | | | The following assertion has been violated at time 1.200000 | | | | ((pumChiWat.pum.eff.yMot >= 0.0)) --> "Variable violating min constraint: 0.0 <= pumChiWat.pum.eff.yMot, has value: -2.92457e-53" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/Fluid/Movers/BaseClasses/FlowMachineInterface.mo:311:3-315:28:writable] | | | | The following assertion has been violated at time 1.200000 | | | | ((pumConWatCon.pum.eff.yMot >= 0.0)) --> "Variable violating min constraint: 0.0 <= pumConWatCon.pum.eff.yMot, has value: -1.27769e-47" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:99:3-99:89:writable] | | | | The following assertion has been violated at time 805.600000 | | | | ((pumConWatEva.pum.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= pumConWatEva.pum.etaHyd, has value: -8.41654e-05" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/Fluid/Movers/BaseClasses/FlowMachineInterface.mo:311:3-315:28:writable] | | | | The following assertion has been violated at time 1074.800000 | | | | ((pumConWatEva.pum.eff.yMot >= 0.0)) --> "Variable violating min constraint: 0.0 <= pumConWatEva.pum.eff.yMot, has value: -1.23046e-94" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:99:3-99:89:writable] | | | | The following assertion has been violated at time 1205.600000 | | | | ((pumHeaWat.pum.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= pumHeaWat.pum.etaHyd, has value: -8.41661e-05" LOG_NLS | error | residualFunc3336: Iteration variable xloc[0] is nan. LOG_ASSERT | debug | residualFunc3336 failed at time=2000. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 2000. | | | | | The non-linear solver tries to solve the problem that could take some time. | | | | | It could help to provide better start-values for the iteration variables. | | | | | For more information simulate with -lv LOG_NLS_V LOG_NLS | error | residualFunc3367: Iteration variable xloc[0] is nan. LOG_ASSERT | debug | residualFunc3367 failed at time=2000. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 2000. | | | | | The non-linear solver tries to solve the problem that could take some time. | | | | | It could help to provide better start-values for the iteration variables. | | | | | For more information simulate with -lv LOG_NLS_V LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0849009s reading init.xml | | | | | | 0.00662421s reading info.xml | | | | | | 0.00268912s [ 0.3%] pre-initialization | | | | | | 0.0017176s [ 0.2%] initialization | | | | | | 0.000376476s [ 0.0%] steps | | | | | | 0.0382217s [ 4.3%] solver (excl. callbacks) | | | | | | 0.0136961s [ 1.6%] creating output-file | | | | | | 0.00144683s [ 0.2%] event-handling | | | | | | 0.0398773s [ 4.5%] overhead | | | | | | 0.784257s [ 88.9%] simulation | | | | | | 0.882282s [100.0%] total | | | | | events | | | | | | 4 state events | | | | | | 7 time events | | | | | solver: cvode | | | | | | 5922 steps taken | | | | | | 6113 calls of functionODE | | | | | | 106 evaluations of jacobian | | | | | | 18 error test failures | | | | | | 0 convergence test failures | | | | | | 0s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.