Trace 0:
  Transitions:
    'returning'
  Return value:
    repr(): ConcreteValue(gcctype='struct PyObject *', loc=gcc.Location(file='tests/cpychecker/refcounts/tp_iternext/correct/input.c', line=31), value=0)
    str(): (struct PyObject *)0 from tests/cpychecker/refcounts/tp_iternext/correct/input.c:31
  region for gcc.ParmDecl('iter') on stack:
    repr(): RegionOnStack("region for gcc.ParmDecl('iter')")
    str(): region for gcc.ParmDecl('iter') on stack
    r->ob_refcnt: refs: 0 owned, 1 borrowed
    r->ob_type: PointerToRegion(gcctype='struct PyTypeObject *', loc=gcc.Location(file='tests/cpychecker/refcounts/tp_iternext/correct/input.c', line=29), region=Region("region-for-type-of-arg-gcc.ParmDecl('iter')"))
  Exception:
    (struct PyObject *)0 from tests/cpychecker/refcounts/tp_iternext/correct/input.c:30
