Environment - simulationEnvironment: startTime=6.3936e+06 stopTime=7.1712e+06 tolerance=1e-06 numberOfIntervals=2500 stepSize=311.04 Regular simulation: ./Buildings_11_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 4.0.0+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 4.0.0+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_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.529357s reading init.xml | | | | | | 0.0423324s reading info.xml | | | | | | 0.0149579s [ 0.1%] pre-initialization | | | | | | 0.0646994s [ 0.5%] initialization | | | | | | 0.00115241s [ 0.0%] steps | | | | | | 0.263563s [ 2.0%] solver (excl. callbacks) | | | | | | 0.0567695s [ 0.4%] creating output-file | | | | | | 2.07586s [ 16.1%] event-handling | | | | | | 0.0447216s [ 0.3%] overhead | | | | | | 10.3916s [ 80.5%] simulation | | | | | | 12.9133s [100.0%] total | | | | | events | | | | | | 113 state events | | | | | | 10 time events | | | | | solver: dassl | | | | | | 9591 steps taken | | | | | | 14445 calls of functionODE | | | | | | 2271 evaluations of jacobian | | | | | | 862 error test failures | | | | | | 0 convergence test failures | | | | | | 7.87414s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully.