Environment - simulationEnvironment: startTime=0 stopTime=2000 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.8 Regular simulation: ./Buildings_12_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS LOG_ASSERT | debug | division by zero at time 0, (a=28.2) / (b=0), where divisor b expression is: heaPum.con.rho_default LOG_ASSERT | info | simulation terminated by an assertion at initialization