id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
5539	Stack overflow with tearingSelect	Vitalij Ruge	Lennart Ochel	"The following model raise a Stack overflow
{{{#!modelica
model tearingSelect2
   Real x1 annotation(tearingSelect = never);
   Real x2;
   Real x3;
   Real x4;
   Real x5;
   Real x6 annotation(tearingSelect = never);
equation
   0 = x1*x1 + x2;
   0 = x1*x1 + x2 +x3;
   0 = x1*x1 + x3 + x4;
   0 = x1*x1 + x4 + x5;
   0 = x1*x1 + x5 + x6;
   0 = x1 + x6*x6;
end tearingSelect2;

}}}

{{{#!bash
[/home/vruge/packages/OpenModelica/OMCompiler/Compiler/BackEnd/BackendDAEUtil.mo:7137:3-7137:155:writable] Error: Internal error Stack overflow in BackendDAEUtil.getSolvedSystem...
[bt] #1 /home/vruge/packages/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libOpenModelicaRuntimeC.so(mmc_setStacktraceMessages_threadData)
[bt] #2 /home/vruge/packages/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libOpenModelicaRuntimeC.so(mmc_do_stackoverflow)
[bt] #3 /home/vruge/packages/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libOpenModelicaCompiler.so(Tearing.removeMatched)
[bt] #4 /home/vruge/packages/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libOpenModelicaCompiler.so(Tearing.getUnsolvableVarsConsiderMatching)
[bt] #5 /home/vruge/packages/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libOpenModelicaCompiler.so(Tearing.omcTearingSelectTearingVar)
[bt] #6...1024 /home/vruge/packages/OpenModelica/OMCompiler/build/bin/../lib/x86_64-linux-gnu/omc/libOpenModelicaCompiler.so(Tearing.omcTearing2)
[bt] #1025 [...]

}}}"	defect	assigned	normal	Future	Backend				Karim Adbdelhak Andreas Heuermann