Regular simulation: ./Buildings_6.0.0_Buildings.Experimental.DistrictHeatingCooling.Plants.Validation.LakeWaterHeatExchanger_T_Cooling -abortSlowSimulation -alarm=480 -lv LOG_STATS 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. assert | debug | Solving non-linear system 441 failed at time=0. | | | | For more information please use -lv LOG_NLS. assert | error | Failed to solve the initialization problem with global homotopy with equidistant step size. assert | debug | Unable to solve initialization problem. assert | info | simulation terminated by an assertion at initialization