.
Thread 2 (Thread 0x7f501ee87780 (LWP 3395)):
#0  0x0000000000605a5a in ~ref_ptr (this=0x7f50102fb798, __in_chrg=<optimized out>) at /usr/include/cwidget/generic/util/ref_ptr.h:53
No locals.
#1  generic_solver_information<aptitude_universe>::~generic_solver_information (this=<optimized out>, __in_chrg=<optimized out>) at ../../../../src/generic/problemresolver/search_graph.h:53
No locals.
#2  0x0000000000605bf1 in ~pair (this=0x7f50102fb750, __in_chrg=<optimized out>) at /usr/include/c++/4.6/bits/stl_pair.h:87
No locals.
#3  _Destroy<std::pair<generic_choice<aptitude_universe>, generic_solver_information<aptitude_universe> > > (__pointer=0x7f50102fb750) at /usr/include/c++/4.6/bits/stl_construct.h:94
No locals.
#4  __destroy<std::pair<generic_choice<aptitude_universe>, generic_solver_information<aptitude_universe> >*> (__last=<optimized out>, __first=0x7f50102fb750) at /usr/include/c++/4.6/bits/stl_construct.h:104
No locals.
#5  _Destroy<std::pair<generic_choice<aptitude_universe>, generic_solver_information<aptitude_universe> >*> (__last=0x7f50102fb7a0, __first=<optimized out>) at /usr/include/c++/4.6/bits/stl_construct.h:127
No locals.
#6  _Destroy<std::pair<generic_choice<aptitude_universe>, generic_solver_information<aptitude_universe> >*, std::pair<generic_choice<aptitude_universe>, generic_solver_information<aptitude_universe> > > (__last=0x7f50102fb7a0, __first=<optimized out>) at /usr/include/c++/4.6/bits/stl_construct.h:153
No locals.
#7  ~vector (this=0x7f50102fb250, __in_chrg=<optimized out>) at /usr/include/c++/4.6/bits/stl_vector.h:350
No locals.
#8  generic_dep_solvers<aptitude_universe>::~generic_dep_solvers (this=0x7f50102fb250, __in_chrg=<optimized out>) at ../../../../src/generic/problemresolver/search_graph.h:315
No locals.
#9  0x0000000000615f6b in ~rep_type (this=0x7f50102fb250, __in_chrg=<optimized out>) at /usr/include/boost/flyweight/detail/default_value_policy.hpp:34
No locals.
#10 ~refcounted_value (this=0x7f50102fb250, __in_chrg=<optimized out>) at /usr/include/boost/flyweight/refcounted.hpp:50
No locals.
#11 destroy<boost::flyweights::detail::refcounted_value<boost::flyweights::detail::default_value_policy<generic_dep_solvers<aptitude_universe> >::rep_type, generic_dep_solvers<aptitude_universe> > > (p=0x7f50102fb250) at /usr/include/boost/detail/allocator_utilities.hpp:197
No locals.
#12 delete_node_ (x=0x7f50102fb250, this=<optimized out>) at /usr/include/boost/multi_index/detail/index_base.hpp:105
No locals.
#13 delete_node_ (x=0x7f50102fb250, this=<optimized out>) at /usr/include/boost/multi_index_container.hpp:535
No locals.
#14 final_delete_node_ (x=0x7f50102fb250, this=<optimized out>) at /usr/include/boost/multi_index/detail/index_base.hpp:157
No locals.
#15 delete_all_nodes_ (this=0x9c8b90) at /usr/include/boost/multi_index/hashed_index.hpp:741
        z = 0x7f501090dcf8
        y = <optimized out>
        x = 0x7f501090dcf8
        x_end = 0x7f5010910df8
#16 delete_all_nodes_ (this=0x9c8b80) at /usr/include/boost/multi_index_container.hpp:541
No locals.
#17 ~multi_index_container (this=0x9c8b80, __in_chrg=<optimized out>) at /usr/include/boost/multi_index_container.hpp:269
No locals.
#18 ~hashed_factory_class (this=0x9c8b80, __in_chrg=<optimized out>) at /usr/include/boost/flyweight/hashed_factory.hpp:37
No locals.
#19 boost::flyweights::detail::flyweight_core<boost::flyweights::detail::default_value_policy<generic_dep_solvers<aptitude_universe> >, mpl_::na, boost::flyweights::refcounted, boost::flyweights::hashed_factory<mpl_::na, mpl_::na, mpl_::na, 0>, boost::flyweights::simple_locking, boost::flyweights::static_holder>::holder_arg::~holder_arg (this=0x9c8b80, __in_chrg=<optimized out>) at /usr/include/boost/flyweight/detail/flyweight_core.hpp:157
No locals.
#20 0x00007f501c770921 in __run_exit_handlers (status=0, listp=0x7f501caeb688, run_list_atexit=true) at exit.c:78
        atfct = <optimized out>
        onfct = <optimized out>
        cxafct = <optimized out>
        f = <optimized out>
#21 0x00007f501c7709a5 in __GI_exit (status=<optimized out>) at exit.c:100
No locals.
#22 0x00000000005496e7 in ui_preview () at ../../../src/cmdline/cmdline_util.cc:99
        result = 0
#23 0x000000000052cb2c in cmdline_do_prompt (as_upgrade=<optimized out>, to_install=..., to_hold=..., to_remove=..., to_purge=..., showvers=false, showdeps=<optimized out>, showsize=<optimized out>, showwhy=false, always_prompt=false, verbose=0, assume_yes=false, force_no_change=true, policy=..., arch_only=false, term_metrics=...) at ../../../src/cmdline/cmdline_prompt.cc:1159
        prompt = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x2a6fc48 "Do you want to continue? [Y/n/?] "}}
        response = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x2a876e8 "e"}}
        loc = 0
        unknown_key_message = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x2a8b918 "Invalid response.  Please enter a valid command or '?' for help.\n"}}
        valid_response = true
        have_broken = <optimized out>
        exit = <optimized out>
        rval = <optimized out>
        first = <optimized out>
        use_internal_resolver = <optimized out>
#24 0x00000000005205ee in cmdline_do_action (argc=<optimized out>, argv=<optimized out>, status_fname=<optimized out>, simulate=false, assume_yes=false, download_only=false, fix_broken=false, showvers=false, showdeps=false, showsize=false, showwhy=false, visual_preview=false, always_prompt=false, resolver_mode=resolver_mode_full, safe_resolver_show_actions=false, no_new_installs=false, no_new_upgrades=false, user_tags=..., arch_only=false, queue_only=false, verbose=0) at ../../../src/cmdline/cmdline_do_action.cc:383
        m = {<download_manager> = {<sigc::trackable> = {callback_list_ = 0x7f5000000000}, _vptr.download_manager = 0x0, fetcher = 0x0}, log = 0x7fff69688598, download_only = 152, pm = 0x0, src_list = {SrcList = {<std::_Vector_base<metaIndex*, std::allocator<metaIndex*> >> = {_M_impl = {<std::allocator<metaIndex*>> = {<__gnu_cxx::new_allocator<metaIndex*>> = {<No data fields>}, <No data fields>}, _M_start = 0x7f501eebe2c8, _M_finish = 0x7f501eca4523, _M_end_of_storage = 0x0}}, <No data fields>}}, run_dpkg_in_terminal = {<sigc::slot_base> = {<sigc::functor_base> = {<No data fields>}, rep_ = 0x7f501ee8a0a8, blocked_ = true}, <No data fields>}, post_forget_new_hook = {<sigc::signal_base> = {<sigc::trackable> = {callback_list_ = 0x0}, impl_ = 0x1}, <No data fields>}}
        rval = <optimized out>
        term = {px = 0x1fab2d0, pn = {pi_ = 0x1fab2b0}}
        default_action = <optimized out>
        policy = <incomplete type>
        to_install = {_M_t = {_M_impl = {<std::allocator<std::_Rb_tree_node<pkgCache::PkgIterator> >> = {<__gnu_cxx::new_allocator<std::_Rb_tree_node<pkgCache::PkgIterator> >> = {<No data fields>}, <No data fields>}, _M_key_compare = {<std::binary_function<pkgCache::PkgIterator, pkgCache::PkgIterator, bool>> = {<No data fields>}, <No data fields>}, _M_header = {_M_color = std::_S_red, _M_parent = 0x0, _M_left = 0x7fff69688698, _M_right = 0x7fff69688698}, _M_node_count = 0}}}
        to_hold = {_M_t = {_M_impl = {<std::allocator<std::_Rb_tree_node<pkgCache::PkgIterator> >> = {<__gnu_cxx::new_allocator<std::_Rb_tree_node<pkgCache::PkgIterator> >> = {<No data fields>}, <No data fields>}, _M_key_compare = {<std::binary_function<pkgCache::PkgIterator, pkgCache::PkgIterator, bool>> = {<No data fields>}, <No data fields>}, _M_header = {_M_color = std::_S_red, _M_parent = 0x0, _M_left = 0x7fff696886c8, _M_right = 0x7fff696886c8}, _M_node_count = 0}}}
        progress = {px = 0x1fb1990, pn = {pi_ = 0x1fb1970}}
        to_purge = {_M_t = {_M_impl = {<std::allocator<std::_Rb_tree_node<pkgCache::PkgIterator> >> = {<__gnu_cxx::new_allocator<std::_Rb_tree_node<pkgCache::PkgIterator> >> = {<No data fields>}, <No data fields>}, _M_key_compare = {<std::binary_function<pkgCache::PkgIterator, pkgCache::PkgIterator, bool>> = {<No data fields>}, <No data fields>}, _M_header = {_M_color = std::_S_red, _M_parent = 0x0, _M_left = 0x7fff69688728, _M_right = 0x7fff69688728}, _M_node_count = 0}}}
        upgrade_mode = <optimized out>
        to_upgrade = {_M_t = {_M_impl = {<std::allocator<std::_Rb_tree_node<pkgCache::PkgIterator> >> = {<__gnu_cxx::new_allocator<std::_Rb_tree_node<pkgCache::PkgIterator> >> = {<No data fields>}, <No data fields>}, _M_key_compare = {<std::binary_function<pkgCache::PkgIterator, pkgCache::PkgIterator, bool>> = {<No data fields>}, <No data fields>}, _M_header = {_M_color = std::_S_red, _M_parent = 0x0, _M_left = 0x7fff69688668, _M_right = 0x7fff69688668}, _M_node_count = 0}}}
        to_remove = {_M_t = {_M_impl = {<std::allocator<std::_Rb_tree_node<pkgCache::PkgIterator> >> = {<__gnu_cxx::new_allocator<std::_Rb_tree_node<pkgCache::PkgIterator> >> = {<No data fields>}, <No data fields>}, _M_key_compare = {<std::binary_function<pkgCache::PkgIterator, pkgCache::PkgIterator, bool>> = {<No data fields>}, <No data fields>}, _M_header = {_M_color = std::_S_red, _M_parent = 0x0, _M_left = 0x7fff696886f8, _M_right = 0x7fff696886f8}, _M_node_count = 0}}}
#25 0x0000000000424466 in main (argc=<optimized out>, argv=0x7fff69689368) at ../../src/main.cc:1171
        status_fname = 0x0
        width = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x9c4518 ""}}
        simulate = false
        download_only = false
        safe_resolver_no_new_installs = false
        group_by_mode = group_by_auto
        install_only = <optimized out>
        resolver_mode = resolver_mode_default
        showvers = false
        always_prompt = false
        verbose = 0
        curr_quiet = <optimized out>
        update_only = <optimized out>
        autoclean_only = false
        clean_only = false
        assume_yes = false
        disable_columns = false
        showdeps = false
        showwhy = false
        quiet = 0
        debug_search = false
        package_display_format = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x1fa91c8 "%c%a%M %p# - %d#"}}
        version_display_format = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x1faad48 "%c%a%M %p# %t %i"}}
        fix_broken = false
        seen_quiet = false
        user_tags = {<std::_Vector_base<aptitude::cmdline::tag_application, std::allocator<aptitude::cmdline::tag_application> >> = {_M_impl = {<std::allocator<aptitude::cmdline::tag_application>> = {<__gnu_cxx::new_allocator<aptitude::cmdline::tag_application>> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}
        group_by_mode_string = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x1fa89b8 "auto"}}
        sort_policy = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x1faadb8 "name,version"}}
        why_display_mode = aptitude::why::no_summary
        rootdir = <optimized out>
        show_why_summary_mode = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x1faade8 "no-summary"}}
        curopt = <optimized out>
        show_package_names_mode_string = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x1faad88 "auto"}}
        queue_only = false
        log_file = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x9c4518 ""}}
        safe_resolver_show_resolver_actions = false
        visual_preview = false
        show_package_names_mode = show_package_names_auto
        arch_only = false
        safe_resolver_no_new_upgrades = false
        showsize = false
.
Thread 1 (Thread 0x7f5016a69700 (LWP 7747)):
#0  0x00007f501c76b445 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 7747
#1  0x00007f501c76ebab in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x100000000, sa_sigaction = 0x100000000}, sa_mask = {__val = {139982055413936, 139982051458120, 139982092687808, 0, 0, 0, 0, 4294967295, 139981954117840, 0, 10244440, 3051784, 0, 139981851575088, 1045, 139982060658688}}, sa_flags = 516589428, sa_restorer = 0x7f5000000005}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f501d0b969d in __gnu_cxx::__verbose_terminate_handler () at ../../../../src/libstdc++-v3/libsupc++/vterminate.cc:95
        terminating = true
        t = <optimized out>
#3  0x00007f501d0b7846 in __cxxabiv1::__terminate (handler=<optimized out>) at ../../../../src/libstdc++-v3/libsupc++/eh_terminate.cc:40
No locals.
#4  0x00007f501d0b7873 in std::terminate () at ../../../../src/libstdc++-v3/libsupc++/eh_terminate.cc:50
No locals.
#5  0x00007f501d0b796e in __cxxabiv1::__cxa_throw (obj=0x7f50102f1d50, tinfo=<optimized out>, dest=<optimized out>) at ../../../../src/libstdc++-v3/libsupc++/eh_throw.cc:83
No locals.
#6  0x00007f501d0646a2 in std::__throw_bad_alloc () at ../../../../src/libstdc++-v3/src/functexcept.cc:54
No locals.
#7  0x00000000006076dc in allocate (__n=<optimized out>, this=<optimized out>) at /usr/include/c++/4.6/ext/new_allocator.h:90
No locals.
#8  _M_allocate (__n=<optimized out>, this=<optimized out>) at /usr/include/c++/4.6/bits/stl_vector.h:150
No locals.
#9  _Vector_base (__n=<optimized out>, this=0x7f5016a67168, __a=<optimized out>) at /usr/include/c++/4.6/bits/stl_vector.h:123
No locals.
#10 vector (__x=..., this=0x7f5016a67168) at /usr/include/c++/4.6/bits/stl_vector.h:279
No locals.
#11 generic_dep_solvers<aptitude_universe>::generic_dep_solvers (this=0x7f5016a67168) at ../../../../src/generic/problemresolver/search_graph.h:315
No locals.
#12 0x000000000062a8db in pair<aptitude_resolver_dep, boost::flyweights::flyweight<generic_dep_solvers<aptitude_universe>, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_> > (__p=<optimized out>, this=0x7f5016a67150) at /usr/include/c++/4.6/bits/stl_pair.h:109
No locals.
#13 imm::wtree_node<std::pair<aptitude_resolver_dep, boost::flyweights::flyweight<generic_dep_solvers<aptitude_universe>, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_> >, imm::nil_t, imm::nil_t, 4>::for_each<generic_problem_resolver<aptitude_universe>::find_dep_cost_upper_bound> (this=0x7f50108458b8, o=...) at ../../../../src/generic/util/immset.h:455
No locals.
#14 0x000000000062a909 in imm::wtree_node<std::pair<aptitude_resolver_dep, boost::flyweights::flyweight<generic_dep_solvers<aptitude_universe>, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_> >, imm::nil_t, imm::nil_t, 4>::for_each<generic_problem_resolver<aptitude_universe>::find_dep_cost_upper_bound> (this=0x7f50108457b0, o=...) at ../../../../src/generic/util/immset.h:458
No locals.
#15 0x000000000062a88a in imm::wtree_node<std::pair<aptitude_resolver_dep, boost::flyweights::flyweight<generic_dep_solvers<aptitude_universe>, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_> >, imm::nil_t, imm::nil_t, 4>::for_each<generic_problem_resolver<aptitude_universe>::find_dep_cost_upper_bound> (this=0x7f5010846198, o=...) at ../../../../src/generic/util/immset.h:452
No locals.
#16 0x000000000062a909 in imm::wtree_node<std::pair<aptitude_resolver_dep, boost::flyweights::flyweight<generic_dep_solvers<aptitude_universe>, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_> >, imm::nil_t, imm::nil_t, 4>::for_each<generic_problem_resolver<aptitude_universe>::find_dep_cost_upper_bound> (this=0x7f5010845ff8, o=...) at ../../../../src/generic/util/immset.h:458
No locals.
#17 0x000000000062a909 in imm::wtree_node<std::pair<aptitude_resolver_dep, boost::flyweights::flyweight<generic_dep_solvers<aptitude_universe>, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_> >, imm::nil_t, imm::nil_t, 4>::for_each<generic_problem_resolver<aptitude_universe>::find_dep_cost_upper_bound> (this=0x7f50101780d8, o=...) at ../../../../src/generic/util/immset.h:458
No locals.
#18 0x000000000062a909 in imm::wtree_node<std::pair<aptitude_resolver_dep, boost::flyweights::flyweight<generic_dep_solvers<aptitude_universe>, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_> >, imm::nil_t, imm::nil_t, 4>::for_each<generic_problem_resolver<aptitude_universe>::find_dep_cost_upper_bound> (this=0x7f5010178098, o=...) at ../../../../src/generic/util/immset.h:458
No locals.
#19 0x000000000062a909 in imm::wtree_node<std::pair<aptitude_resolver_dep, boost::flyweights::flyweight<generic_dep_solvers<aptitude_universe>, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_, boost::parameter::void_> >, imm::nil_t, imm::nil_t, 4>::for_each<generic_problem_resolver<aptitude_universe>::find_dep_cost_upper_bound> (this=0x7f5010782110, o=...) at ../../../../src/generic/util/immset.h:458
No locals.
#20 0x000000000062a9de in for_each<generic_problem_resolver<aptitude_universe>::find_dep_cost_upper_bound> (o=..., this=0x7f5010a30d48) at ../../../../src/generic/util/immset.h:452
No locals.
#21 for_each<generic_problem_resolver<aptitude_universe>::find_dep_cost_upper_bound> (this=0x7f5010a30d40, o=...) at ../../../../src/generic/util/immset.h:907
No locals.
#22 for_each<generic_problem_resolver<aptitude_universe>::find_dep_cost_upper_bound> (o=..., this=0x7f5010a30d40) at ../../../../src/generic/util/immset.h:1262
No locals.
#23 generic_problem_resolver<aptitude_universe>::recompute_effective_step_cost (this=0x3037fb0, s=...) at ../../../../src/generic/problemresolver/problemresolver.h:2820
        new_cost = {impl_flyweight = {h = {h = 0x60b4320}}}
        found_promotion = {impl_flyweight = {h = {h = 0x30381b8}}}
#24 0x00000000006451d6 in generic_problem_resolver<aptitude_universe>::generate_single_successor (this=0x3037fb0, parent=<optimized out>, output=..., c_original=<optimized out>) at ../../../../src/generic/problemresolver/problemresolver.h:3566
        c = {ver = {cache = 0x0, is_version = false, offset = 0}, d = {cache = 0x32da600, start = 0x7f5018ee53dc, prv = 0x0}, from_dep_source = false, has_dep = true, tp = generic_choice<aptitude_universe>::break_soft_dep, id = 520}
        c_cost = {impl_flyweight = {h = {h = 0x1f9ed30}}}
#25 0x00000000006459f2 in operator() (solver_pair=<optimized out>, this=<optimized out>) at ../../../../src/generic/problemresolver/problemresolver.h:3672
        solver = <optimized out>
        parent = @0x7f5010a2fbd0
        output = <optimized out>
#26 for_each_solver<generic_problem_resolver<aptitude_universe>::do_generate_single_successor> (f=..., this=0x7f501089c330) at ../../../../src/generic/problemresolver/search_graph.h:510
        it = {_M_current = 0x7f50108a43f0}
#27 generic_problem_resolver<aptitude_universe>::generate_successors (this=0x3037fb0, step_num=<optimized out>, visited_packages=<optimized out>) at ../../../../src/generic/problemresolver/problemresolver.h:3725
        s = <optimized out>
        best = {realNode = 0x7f501014dbe0}
        first_successor = false
        bestSolvers = {realNode = 0x7f5010178090}
        bestDepSolvers = @0x7f501089c330
        generate_successor_f = {parent_step_num = 1045, resolver = @0x3037fb0, first = <optimized out>}
#28 0x00000000006465d3 in generic_problem_resolver<aptitude_universe>::process_step (this=0x3037fb0, step_num=1045, visited_packages=0x7f5016a68b10) at ../../../../src/generic/problemresolver/problemresolver.h:4525
        first_child = <optimized out>
        s = @0x7f5010a2fbd0
        done = true
#29 0x0000000000648086 in generic_problem_resolver<aptitude_universe>::find_next_solution (this=0x3037fb0, max_steps=<optimized out>, visited_packages=0x7f5016a68b10) at ../../../../src/generic/problemresolver/problemresolver.h:4656
        curr_step_num = 57
        t = {r = @0x3037fb0}
        odometer = 35
        most_future_solution_steps = <optimized out>
#30 0x00000000005f3fb1 in resolver_manager::do_get_solution (this=0x3037a90, max_steps=500000, solution_num=0, visited_packages=...) at ../../../../src/generic/apt/resolver_manager.cc:1142
        sol = {real_soln = 0x0}
        is_keep_all_solution = false
        sol_l = {parent = @0x3037b00, locked = false}
#31 0x00000000005f4c1b in resolver_manager::background_thread_execution (this=0x3037a90) at ../../../../src/generic/apt/resolver_manager.cc:595
        sol = <optimized out>
        success_slot = {<sigc::slot0<void>> = {<sigc::slot_base> = {<sigc::functor_base> = {<No data fields>}, rep_ = 0x7f5010000960, blocked_ = 64}, <No data fields>}, <No data fields>}
        job = {sol_num = 0, max_steps = 500000, k = {px = 0x29a8620, pn = {pi_ = 0x29a8600}}, post_thunk = 0x4e6cd0 <cwidget_resolver_trampoline(sigc::slot<void, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil> const&)>}
        logger = {px = 0x7f5010000960, pn = {pi_ = 0x7f5010000940}}
        visited_packages = {_M_t = {_M_impl = {<std::allocator<std::_Rb_tree_node<aptitude_resolver_package> >> = {<__gnu_cxx::new_allocator<std::_Rb_tree_node<aptitude_resolver_package> >> = {<No data fields>}, <No data fields>}, _M_key_compare = {<std::binary_function<aptitude_resolver_package, aptitude_resolver_package, bool>> = {<No data fields>}, <No data fields>}, _M_header = {_M_color = std::_S_red, _M_parent = 0x0, _M_left = 0x7f5016a68b18, _M_right = 0x7f5016a68b18}, _M_node_count = 0}}}
        l = {parent = @0x3037b80, locked = false}
#32 0x0000000000648a01 in operator() (this=<synthetic pointer>) at ../../../../src/generic/apt/resolver_manager.cc:709
No locals.
#33 cwidget::threads::thread::bootstrap<resolver_manager::background_thread_bootstrap> (p=<optimized out>) at /usr/include/cwidget/generic/threads/threads.h:117
        thunk = {m = @0x3037a90}
#34 0x00007f501d309e9a in start_thread (arg=0x7f5016a69700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f5016a69700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2404977684630760167, 140734961840640, 139981954128320, 44405616, 3, 2323823068020446489, 2323848510867739929}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#35 0x00007f501c8274bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#36 0x0000000000000000 in ?? ()
No symbol table info available.