Regular simulation: ./ModelicaTest_3.2.2_ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_FixedInitial -abortSlowSimulation -alarm=480   -emit_protected -lv LOG_STATS
assert            | warning | The following assertion has been violated at time 0.000000
|                 | |       | pump.delta_head_init >= 0.0
assert            | warning | Variable violating min constraint: 0.0 <= pump.delta_head_init, has value: -2.0431
assert            | debug   | division by zero at time 0, (a=-0.2364991217294849) / (b=-0), where divisor b expression is: m_flow
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