Trace 0:
  Transitions:
    'when foo() succeeds'
    'returning'
  Return value:
    repr(): PointerToRegion(gcctype='struct PyObject *', loc=gcc.Location(file='tests/cpychecker/refcounts/unrecognized_function/input.c', line=31), region=RegionOnHeap('new ref from (unknown) foo', gcc.Location(file='tests/cpychecker/refcounts/unrecognized_function/input.c', line=31)))
    str(): (struct PyObject *)&RegionOnHeap('new ref from (unknown) foo', gcc.Location(file='tests/cpychecker/refcounts/unrecognized_function/input.c', line=31)) from tests/cpychecker/refcounts/unrecognized_function/input.c:31
    r->ob_refcnt: refs: 1 owned
    r->ob_type: PointerToRegion(gcctype='struct PyTypeObject *', loc=gcc.Location(file='tests/cpychecker/refcounts/unrecognized_function/input.c', line=31), region=Region('PyTypeObject for new ref from (unknown) foo'))
  region for gcc.ParmDecl('self') on stack:
    repr(): RegionOnStack("region for gcc.ParmDecl('self')")
    str(): region for gcc.ParmDecl('self') on stack
    r->ob_refcnt: refs: 0 owned, 1 borrowed
    r->ob_type: PointerToRegion(gcctype='struct PyTypeObject *', loc=gcc.Location(file='tests/cpychecker/refcounts/unrecognized_function/input.c', line=29), region=Region("region-for-type-of-arg-gcc.ParmDecl('self')"))
  region for gcc.ParmDecl('args') on stack:
    repr(): RegionOnStack("region for gcc.ParmDecl('args')")
    str(): region for gcc.ParmDecl('args') on stack
    r->ob_refcnt: refs: 0 owned, 1 borrowed
    r->ob_type: PointerToRegion(gcctype='struct PyTypeObject *', loc=gcc.Location(file='tests/cpychecker/refcounts/unrecognized_function/input.c', line=29), region=Region("region-for-type-of-arg-gcc.ParmDecl('args')"))
  Exception:
    (struct PyObject *)0 from tests/cpychecker/refcounts/unrecognized_function/input.c:30

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