startTime=0 stopTime=1 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.0004 Regular simulation: ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD -abortSlowSimulation -alarm=480 -emit_protected -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. stdout | info | The initialization finished successfully without homotopy method. 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 | division leads to inf or nan at time 0.0002, (a=0) / (b=0), where divisor b is: (loadRL.load2.v[1] ^ 2.0 + loadRL.load2.v[2] ^ 2.0) ^ 2.0 Limited backtrace at point of segmentation fault /lib/x86_64-linux-gnu/libpthread.so.0(+0x143c0)[0x7fb753e343c0] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(_omc_setVectorData+0x0)[0x7fb7548c7620] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(solveLapack+0xa4)[0x7fb7548b13c4] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(solve_linear_system+0x193)[0x7fb7548b0b83] ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD(Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DD_eqFunction_1416+0x23d)[0x458ffd] ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD(Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DD_functionDAE+0x3d4)[0x460b94] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(updateDiscreteSystem+0x89)[0x7fb7548c9159] ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD[0x454c24] ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD(Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DD_performSimulation+0x80b)[0x453fab] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(solver_main+0x364)[0x7fb7548d3214] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(+0xdaeba)[0x7fb754902eba] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(startNonInteractiveSimulation+0xb40)[0x7fb754902350] /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/x86_64-linux-gnu/omc/libSimulationRuntimeC.so(_main_SimulationRuntime+0x72)[0x7fb754904d22] ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD(main+0x1d8)[0x461818] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0x7fb753c520b3]