Environment - simulationEnvironment:
startTime=0
stopTime=6000
tolerance=1e-06
numberOfIntervals=2500
stepSize=2.4
Regular simulation: ./ModelicaTest_4.0.0_ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_FixedInitial  -abortSlowSimulation -alarm=480  -emit_protected -lv LOG_STATS
LOG_ASSERT        | error   | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Fluid/Utilities.mo:614:7-615:79:writable]
|                 | |       | regFun3(): Derivatives at data points do not allow co-monotone interpolation, as both are non-zero, of opposite sign and have an absolute value larger than machine eps (y0d = 0.000271073, y1d = -0.01086). Please correct arguments.
LOG_STDOUT        | warning | Non-Linear Solver try to handle a problem with a called assert.
LOG_STDOUT        | warning | While solving non-linear system an assertion failed during initialization.
|                 | |       | | The non-linear solver tries to solve the problem that could take some time.
|                 | |       | | It could help to provide better start-values for the iteration variables.
|                 | |       | | For more information simulate with -lv LOG_NLS_V
LOG_ASSERT        | debug   | Solving non-linear system 237 failed at time=0.
|                 | |       | For more information please use -lv LOG_NLS.
LOG_ASSERT        | error   | Failed to solve the initialization problem with global homotopy with equidistant step size.
LOG_ASSERT        | debug   | Unable to solve initialization problem.
LOG_ASSERT        | info    | simulation terminated by an assertion at initialization