Environment - simulationEnvironment: startTime=0 stopTime=604800 tolerance=1e-06 numberOfIntervals=2500 stepSize=241.92 Regular simulation: ./Buildings_11_Buildings.DHC.Examples.Combined.SeriesVariableFlowAgentControl -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS LOG_STDOUT | info | ... loading "tab1" from "/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/Resources/Data/DHC/Loads/Examples/SwissOffice_20190916.mos" LOG_STDOUT | info | ... loading "tab1" from "/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/Resources/Data/DHC/Loads/Examples/SwissResidential_20190916.mos" LOG_STDOUT | info | ... loading "tab1" from "/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/Resources/Data/DHC/Loads/Examples/SwissHospital_20190916.mos" LOG_ASSERT | error | Model error: Argument of log(u) was -1 should be > 0 LOG_STDOUT | warning | Non-Linear Solver try to handle a problem with a called assert. LOG_ASSERT | error | Model error: Argument of log(u) was -1 should be > 0 LOG_STDOUT | warning | Non-Linear Solver try to handle a problem with a called assert. LOG_ASSERT | error | Model error: Argument of log(u) was -1 should be > 0 LOG_STDOUT | warning | Non-Linear Solver try to handle a problem with a called assert. LOG_ASSERT | debug | Division by zero roughness / diameter in function context LOG_STDOUT | warning | Non-Linear Solver try to handle a problem with a called assert. LOG_ASSERT | debug | Division by zero roughness / diameter in function context LOG_STDOUT | warning | Non-Linear Solver try to handle a problem with a called assert. LOG_STDOUT | info | ... loading "TStep" from "tmp/temperatureResponseMatrix/cb5a516a14d0ff25ffce0ba805d0acd30c68bbadTStep.mat" LOG_STDOUT | warning | The default linear solver fails, the fallback solver with total pivoting is started at time 0.000000. That might raise performance issues, for more information use -lv LOG_LS. LOG_STDOUT | info | ... loading "TStep" from "tmp/temperatureResponseMatrix/cb5a516a14d0ff25ffce0ba805d0acd30c68bbadTStep.mat" LOG_STDOUT | info | ... loading "TStep" from "tmp/temperatureResponseMatrix/cb5a516a14d0ff25ffce0ba805d0acd30c68bbadTStep.mat" LOG_STDOUT | info | ... loading "TStep" from "tmp/temperatureResponseMatrix/cb5a516a14d0ff25ffce0ba805d0acd30c68bbadTStep.mat" LOG_ASSERT | debug | Solving non-linear system 20206 failed at time=0. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:99:3-99:89:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((bui[1].ets.proHeaWat.pumEva.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= bui[1].ets.proHeaWat.pumEva.etaHyd, has value: -1.18542e-64" LOG_ASSERT | info | simulation terminated by an assertion at initialization