#0  0x00007f0320dae994 in pkgRecords::Lookup(pkgCache::VerFileIterator const&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
No symbol table info available.
#1  0x000000000044d3e2 in ?? ()
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#2  0x00000000004428ec in ?? ()
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#3  0x00000000004349d8 in ?? ()
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#4  0x0000000000434fee in ?? ()
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#5  0x00007f031f803a17 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007f031f81d7f0 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007f031f81df22 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007f03203df843 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#9  0x00007f03203e3432 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#10 0x00007f03202cc49c in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#11 0x00007f031f803750 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007f031f81574d in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007f031f81d44a in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#14 0x00007f031f81df22 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#15 0x00007f03203fb77e in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#16 0x00007f03202ca44e in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
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#17 0x00007f03202cc185 in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#18 0x00007f031fefb5e2 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
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#19 0x00007f031f53fe85 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
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#20 0x00007f031f5401c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#21 0x00007f031f54063a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
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#22 0x00007f03202cb4a5 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
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#23 0x00000000004165e8 in ?? ()
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#24 0x00007f031e14eea5 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
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#25 0x0000000000418991 in ?? ()
No symbol table info available.