Environment - simulationEnvironment:
startTime=0
stopTime=1000
tolerance=1e-06
numberOfIntervals=2500
stepSize=0.4
Regular simulation: ./Buildings_13_Buildings.DHC.Plants.Combined.Subsystems.Validation.CoolingTowerGroup -abortSlowSimulation -alarm=240  -lv LOG_STATS
LOG_STDOUT        | warning | Internal Numerical Jacobians without coloring are currently not supported by IDA with KLU. Colored numerical Jacobian will be used.
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/Fluid/HeatExchangers/CoolingTowers/Data/BaseClasses/BaseCoolingTower.mo:27:3-28:89:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((coo.datCooTow.PFan_Q_flow_nominal >= -0.1 and coo.datCooTow.PFan_Q_flow_nominal <= 0.0)) --> "Variable violating min/max constraint: -0.1 <= coo.datCooTow.PFan_Q_flow_nominal <= 0.0, has value: 0.0144558"
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/Fluid/HeatExchangers/CoolingTowers/Data/BaseClasses/BaseCoolingTower.mo:27:3-28:89:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((coo.coo.dat.PFan_Q_flow_nominal >= -0.1 and coo.coo.dat.PFan_Q_flow_nominal <= 0.0)) --> "Variable violating min/max constraint: -0.1 <= coo.coo.dat.PFan_Q_flow_nominal <= 0.0, has value: 0.0144558"
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/Fluid/HeatExchangers/CoolingTowers/Data/BaseClasses/BaseCoolingTower.mo:27:3-28:89:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((coo.coo.per.dat.PFan_Q_flow_nominal >= -0.1 and coo.coo.per.dat.PFan_Q_flow_nominal <= 0.0)) --> "Variable violating min/max constraint: -0.1 <= coo.coo.per.dat.PFan_Q_flow_nominal <= 0.0, has value: 0.0144558"
LOG_SUCCESS       | info    | The initialization finished successfully with 3 homotopy steps.
LOG_STDOUT        | info    | ##IDA## -4 error occurred at time = 829.66080335519
LOG_STDOUT        | info    | model terminate | Integrator failed. | Simulation terminated at time 829.661
LOG_STATS         | info    | ### STATISTICS ###
|                 | |       | | timer
|                 | |       | | |            0s          reading init.xml
|                 | |       | | |            0s          reading info.xml
|                 | |       | | |   5.1197e-05s [  0.1%] pre-initialization
|                 | |       | | |    0.0181509s [ 53.0%] initialization
|                 | |       | | |            0s [  0.0%] steps
|                 | |       | | |   0.00139297s [  4.1%] solver (excl. callbacks)
|                 | |       | | |    1.643e-06s [  0.0%] creating output-file
|                 | |       | | |  0.000455197s [  1.3%] event-handling
|                 | |       | | |            0s [  0.0%] overhead
|                 | |       | | |     0.014189s [ 41.4%] simulation
|                 | |       | | |     0.034241s [100.0%] total
|                 | |       | | events
|                 | |       | | |     1 state events
|                 | |       | | |     4 time events
|                 | |       | | solver: ida
|                 | |       | | |  1114 steps taken
|                 | |       | | |  1849 calls of functionODE
|                 | |       | | |   276 evaluations of jacobian
|                 | |       | | |    87 error test failures
|                 | |       | | |    24 convergence test failures
|                 | |       | | | 0.00351998s time of jacobian evaluation