Environment - simulationEnvironment: startTime=6.3936e+06 stopTime=7.1712e+06 tolerance=1e-06 numberOfIntervals=2500 stepSize=311.04 Regular simulation: ./Buildings_12_Buildings.Air.Systems.SingleZone.VAV.Examples.OptimalStart.ConventionalSpring -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS LOG_STDOUT | warning | The default linear solver fails, the fallback solver with total pivoting is started at time 6393600.000000. That might raise performance issues, for more information use -lv LOG_LS. LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:13:5-14:68:writable] | | | | The following assertion has been violated at time 6393600.000000 | | | | ((zonAHUOpt.sinZonFlo.ports[2].m_flow >= -1e5 and zonAHUOpt.sinZonFlo.ports[2].m_flow <= 0.0)) --> "Variable violating min/max constraint: -1e5 <= zonAHUOpt.sinZonFlo.ports[2].m_flow <= 0.0, has value: 0.0444045" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:13:5-14:68:writable] | | | | The following assertion has been violated at time 6393600.000000 | | | | ((zonAHUCon.sinZonFlo.ports[2].m_flow >= -1e5 and zonAHUCon.sinZonFlo.ports[2].m_flow <= 0.0)) --> "Variable violating min/max constraint: -1e5 <= zonAHUCon.sinZonFlo.ports[2].m_flow <= 0.0, has value: 0.0444045" LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_STDOUT | warning | The default linear solver fails, the fallback solver with total pivoting is started at time 6393600.000157. That might raise performance issues, for more information use -lv LOG_LS. LOG_STDOUT | warning | The default linear solver fails, the fallback solver with total pivoting is started at time 6393600.004872. That might raise performance issues, for more information use -lv LOG_LS. LOG_STDOUT | warning | The default linear solver fails, the fallback solver with total pivoting is started at time 6393600.004872. That might raise performance issues, for more information use -lv LOG_LS. LOG_STDOUT | info | Too many warnings, reached display limit of 3. Suppressing further warning messages of the same type. LOG_STDOUT | info | Change limit with simulation flag -lvMaxWarn= LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/Fluid/Interfaces/PartialTwoPortTransport.mo:34:3-36:69:writable] | | | | The following assertion has been violated at time 6422400.000642 | | | | ((zonAHUOpt.hvac.ideVal.preMasFlo.m_flow >= 0.0 and zonAHUOpt.hvac.ideVal.preMasFlo.m_flow <= 1e5)) --> "Variable violating min/max constraint: 0.0 <= zonAHUOpt.hvac.ideVal.preMasFlo.m_flow <= 1e5, has value: -2.8299e-73" LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.530279s reading init.xml | | | | | | 0.0515197s reading info.xml | | | | | | 0.0151554s [ 0.1%] pre-initialization | | | | | | 0.0638213s [ 0.5%] initialization | | | | | | 0.000969208s [ 0.0%] steps | | | | | | 0.2574s [ 2.2%] solver (excl. callbacks) | | | | | | 0.0736992s [ 0.6%] creating output-file | | | | | | 2.04701s [ 17.5%] event-handling | | | | | | 0.055543s [ 0.5%] overhead | | | | | | 9.17855s [ 78.5%] simulation | | | | | | 11.6922s [100.0%] total | | | | | events | | | | | | 114 state events | | | | | | 10 time events | | | | | solver: dassl | | | | | | 9619 steps taken | | | | | | 14432 calls of functionODE | | | | | | 2276 evaluations of jacobian | | | | | | 849 error test failures | | | | | | 0 convergence test failures | | | | | | 6.97393s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.