Trace 0: Transitions: 'when PyObject_GenericSetAttr() succeeds' 'returning' Return value: repr(): ConcreteValue(gcctype='int', loc=gcc.Location(file='tests/cpychecker/refcounts/PyObject_GenericSetAttr/basic/input.c', line=29), value=0) str(): (int)0 from tests/cpychecker/refcounts/PyObject_GenericSetAttr/basic/input.c:29 region for gcc.ParmDecl('o') on stack: repr(): RegionOnStack("region for gcc.ParmDecl('o')") str(): region for gcc.ParmDecl('o') on stack r->ob_refcnt: refs: 0 owned, 1 borrowed r->ob_type: PointerToRegion(gcctype='struct PyTypeObject *', loc=gcc.Location(file='tests/cpychecker/refcounts/PyObject_GenericSetAttr/basic/input.c', line=27), region=Region("region-for-type-of-arg-gcc.ParmDecl('o')")) region for gcc.ParmDecl('name') on stack: repr(): RegionOnStack("region for gcc.ParmDecl('name')") str(): region for gcc.ParmDecl('name') on stack r->ob_refcnt: refs: 0 owned, 1 borrowed r->ob_type: PointerToRegion(gcctype='struct PyTypeObject *', loc=gcc.Location(file='tests/cpychecker/refcounts/PyObject_GenericSetAttr/basic/input.c', line=27), region=Region("region-for-type-of-arg-gcc.ParmDecl('name')")) region for gcc.ParmDecl('value') on stack: repr(): RegionOnStack("region for gcc.ParmDecl('value')") str(): region for gcc.ParmDecl('value') on stack r->ob_refcnt: refs: 0 owned, 1 borrowed r->ob_type: PointerToRegion(gcctype='struct PyTypeObject *', loc=gcc.Location(file='tests/cpychecker/refcounts/PyObject_GenericSetAttr/basic/input.c', line=27), region=Region("region-for-type-of-arg-gcc.ParmDecl('value')")) Exception: (struct PyObject *)0 from tests/cpychecker/refcounts/PyObject_GenericSetAttr/basic/input.c:28 Trace 1: Transitions: 'when PyObject_GenericSetAttr() fails' 'returning' Return value: repr(): ConcreteValue(gcctype='int', loc=gcc.Location(file='tests/cpychecker/refcounts/PyObject_GenericSetAttr/basic/input.c', line=29), value=-1) str(): (int)-1 from tests/cpychecker/refcounts/PyObject_GenericSetAttr/basic/input.c:29 region for gcc.ParmDecl('o') on stack: repr(): RegionOnStack("region for gcc.ParmDecl('o')") str(): region for gcc.ParmDecl('o') on stack r->ob_refcnt: refs: 0 owned, 1 borrowed r->ob_type: PointerToRegion(gcctype='struct PyTypeObject *', loc=gcc.Location(file='tests/cpychecker/refcounts/PyObject_GenericSetAttr/basic/input.c', line=27), region=Region("region-for-type-of-arg-gcc.ParmDecl('o')")) region for gcc.ParmDecl('name') on stack: repr(): RegionOnStack("region for gcc.ParmDecl('name')") str(): region for gcc.ParmDecl('name') on stack r->ob_refcnt: refs: 0 owned, 1 borrowed r->ob_type: PointerToRegion(gcctype='struct PyTypeObject *', loc=gcc.Location(file='tests/cpychecker/refcounts/PyObject_GenericSetAttr/basic/input.c', line=27), region=Region("region-for-type-of-arg-gcc.ParmDecl('name')")) region for gcc.ParmDecl('value') on stack: repr(): RegionOnStack("region for gcc.ParmDecl('value')") str(): region for gcc.ParmDecl('value') on stack r->ob_refcnt: refs: 0 owned, 1 borrowed r->ob_type: PointerToRegion(gcctype='struct PyTypeObject *', loc=gcc.Location(file='tests/cpychecker/refcounts/PyObject_GenericSetAttr/basic/input.c', line=27), region=Region("region-for-type-of-arg-gcc.ParmDecl('value')")) Exception: (struct PyObject *)&RegionForGlobal(gcc.VarDecl('PyExc_AttributeError')) from tests/cpychecker/refcounts/PyObject_GenericSetAttr/basic/input.c:29