#0  librdf_hash_get_one (hash=0x0, key=0x7fceeae45b60) at rdf_hash.c:640
	value = <value optimized out>
	cursor = <value optimized out>
	status = <value optimized out>
#1  0x00007fcef3b58a10 in librdf_new_uri (world=0xc20930, 
    uri_string=0x7fcef36e9ed8 "http://www.w3.org/1999/02/22-rdf-syntax-ns#")
    at rdf_uri.c:135
	new_uri = <value optimized out>
	length = 43
	key = {world = 0x7fce00000005, data = 0x7fcef36e9ed8, size = 43, 
  next = 0xbf6800}
	value = {world = 0x39, data = 0x5f3d8fb80, size = 140526823841792, 
  next = 0x7fcefd30867a}
	old_value = <value optimized out>
#2  0x00007fcef36bf30e in raptor_namespaces_init (nstack=0xbd7cf0, 
    uri_handler=0x7fcef3d8fb80, uri_context=0xfefefefeff22726d, 
    error_handler=0x23736e, error_data=0xfefefefefefefeff, defaults=0)
    at raptor_namespace.c:133
	failures = <value optimized out>
#3  0x00007fcef36bf46a in raptor_new_namespaces (uri_handler=0x7fcef3d8fb80, 
    uri_context=0xc20930, 
    error_handler=0x7fcef391f2f0 <rasqal_query_simple_error>, 
    error_data=0xbd7900, defaults=0) at raptor_namespace.c:191
	nstack = <value optimized out>
#4  0x00007fcef3921e8c in rasqal_new_query (world=0xbf4be0, 
    name=0xbf6e40 "sparql", uri=<value optimized out>) at rasqal_query.c:103
	factory = (rasqal_query_engine_factory *) 0xbf6800
	query = (rasqal_query *) 0xbd7900
	uri_handler = (const raptor_uri_handler *) 0x7fcef3d8fb80
	uri_context = (void *) 0xc20930
#5  0x00007fcef3b6fb66 in librdf_query_rasqal_init (query=0xc2c080, 
    name=<value optimized out>, uri=<value optimized out>, 
    query_string=0x23736e <Address 0x23736e out of bounds>, 
    base_uri=0xfefefefefefefeff) at rdf_query_rasqal.c:113
	context = (librdf_query_rasqal_context *) 0xc27d00
#6  0x00007fcef3b6d882 in librdf_new_query_from_factory (world=0xbd3e40, 
    factory=0xbf6d30, name=0xc480d8 "sparql", uri=0x0, 
    query_string=0xc27f98 "select distinct ?r where { ?r ?p ?o . }", 
    base_uri=0x0) at rdf_query.c:371
	query = <value optimized out>
	__func__ = "librdf_new_query_from_factory"
#7  0x00007fcef3d9e653 in Soprano::Redland::RedlandModel::executeQuery (
    this=0xbf73f0, query=<value optimized out>, 
    language=Soprano::Query::QueryLanguageSparql, 
    userQueryLanguage=<value optimized out>)
    at ../../../backends/redland/redlandmodel.cpp:228
	q = <value optimized out>
	res = <value optimized out>
	result = <value optimized out>
#8  0x00007fcefb18bc6d in Soprano::FilterModel::executeQuery (this=0xc07440, 
    query=@0x7fceeae46020, language=Soprano::Query::QueryLanguageSparql, 
    userQueryLanguage=@0x7fceeae46010) at ../../soprano/filtermodel.cpp:164
	it = {<Soprano::Iterator<Soprano::BindingSet>> = {<Soprano::Error::ErrorCache> = {_vptr.ErrorCache = 0x7fceeae45ea0, d = 0x1}, d = {
      d = 0x7fceeae46020}}, <No data fields>}
#9  0x00007fcef42e553b in Soprano::Index::IndexFilterModel::rebuildIndex (
    this=0xc07440) at ../../index/indexfiltermodel.cpp:240
	it = {<Soprano::Iterator<Soprano::BindingSet>> = {<Soprano::Error::ErrorCache> = {_vptr.ErrorCache = 0x0, d = 0x0}, d = {d = 0x5}}, <No data fields>}
#10 0x00007fcefcf28392 in ?? () from /usr/lib/libQtCore.so.4
#11 0x00007fcef98c23ba in start_thread () from /lib/libpthread.so.0
#12 0x00007fcefa4a80ad in clone () from /lib/libc.so.6
#13 0x0000000000000000 in ?? ()