#0  0x00007f51b601af95 in pkgDepCache::CheckDep (this=0x1f25bb0, Dep=..., Type=0, Res=...) at depcache.cc:372
        P = {<pkgCache::Iterator<pkgCache::Provides, pkgCache::PrvIterator>> = {<std::iterator<std::forward_iterator_tag, pkgCache::Provides, long, pkgCache::Provides*, pkgCache::Provides&>> = {<No data fields>}, _vptr.Iterator = 0x426350, S = 0x7f51b3e59484, Owner = 0x1f26640}, Type = pkgCache::PrvIterator::PrvPkg}
        Pkg = {<pkgCache::Iterator<pkgCache::Package, pkgCache::PkgIterator>> = {<std::iterator<std::forward_iterator_tag, pkgCache::Package, long, pkgCache::Package*, pkgCache::Package&>> = {<No data fields>}, _vptr.Iterator = <optimized out>, S = 0x7f51b2c9d268, Owner = <optimized out>}, HashIndex = <optimized out>}
#1  0x00007f51b601ba83 in CheckDep (Type=0, Dep=<optimized out>, this=0x1f25bb0) at ../build/include/apt-pkg/depcache.h:315
        Res = {<pkgCache::Iterator<pkgCache::Package, pkgCache::PkgIterator>> = {<std::iterator<std::forward_iterator_tag, pkgCache::Package, long, pkgCache::Package*, pkgCache::Package&>> = {<No data fields>}, _vptr.Iterator = 0x62c090, S = 0x7f51b297ee08, Owner = 0x1f26640}, HashIndex = 0}
#2  pkgDepCache::DependencyState (this=0x1f25bb0, D=...) at depcache.cc:606
        State = 0 '\000'
#3  0x00007f51b601bf10 in pkgDepCache::Update (this=0x1f25bb0, Prog=0x7fff7f47a590) at depcache.cc:679
        State = @0x7f51b226940f
        D = {<pkgCache::Iterator<pkgCache::Dependency, pkgCache::DepIterator>> = {<std::iterator<std::forward_iterator_tag, pkgCache::Dependency, long, pkgCache::Dependency*, pkgCache::Dependency&>> = {<No data fields>}, _vptr.Iterator = 0x4261d0, S = 0x7f51b2c908b8, Owner = 0x1f26640}, Type = pkgCache::DepIterator::DepVer}
        Group = <optimized out>
        V = {<pkgCache::Iterator<pkgCache::Version, pkgCache::VerIterator>> = {<std::iterator<std::forward_iterator_tag, pkgCache::Version, long, pkgCache::Version*, pkgCache::Version&>> = {<No data fields>}, _vptr.Iterator = 0x426190, S = 0x7f51b2c92b58, Owner = 0x1f26640}, <No data fields>}
        I = {<pkgCache::Iterator<pkgCache::Package, pkgCache::PkgIterator>> = {<std::iterator<std::forward_iterator_tag, pkgCache::Package, long, pkgCache::Package*, pkgCache::Package&>> = {<No data fields>}, _vptr.Iterator = 0x62c090, S = 0x7f51b2c9d268, Owner = 0x1f26640}, HashIndex = 0}
        Done = <optimized out>
#4  0x00007f51b602123e in pkgDepCache::Init (this=0x1f25bb0, Prog=0x7fff7f47a590) at depcache.cc:158
        actions = {cache = @0x1f25bb0, released = false}
        Done = <optimized out>
#5  0x00007f51b604b1fd in pkgCacheFile::BuildDepCache (this=0x7fff7f47a610, Progress=0x7fff7f47a590) at cachefile.cc:140
No locals.
#6  0x00007f51b604b27a in pkgCacheFile::Open (this=0x7fff7f47a610, Progress=0x7fff7f47a590, WithLock=<optimized out>) at cachefile.cc:155
No locals.
#7  0x0000000000413f5e in Open (WithLock=true, this=0x7fff7f47a610) at apt-get.cc:108
        Prog = {<OpProgress> = {_vptr.OpProgress = 0x62bab0, Current = 80010, Total = 160020, Size = 80010, SubTotal = 80010, LastPercent = 50, LastTime = {tv_sec = 1316624938, tv_usec = 5467}, LastOp = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x1f21498 "Building dependency tree"}}, LastSubOp = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x1f215f8 "Dependency generation"}}, Op = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x1f204d8 "Building dependency tree"}}, SubOp = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x1f215f8 "Dependency generation"}}, Percent = 50.0124969, MajorChange = false}, OldOp = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x1f204d8 "Building dependency tree"}}, NoUpdate = false, NoDisplay = false, LastLen = 32}
#8  OpenForInstall (this=0x7fff7f47a610) at apt-get.cc:119
No locals.
#9  DoUpgrade (CmdL=<optimized out>) at apt-get.cc:1783
        Cache = {<pkgCacheFile> = {_vptr.pkgCacheFile = 0x4263d0, d = 0x7fff7f47ace0, Map = 0x1f23ac0, Cache = 0x1f26640, DCache = 0x1f25bb0, SrcList = 0x1f1e6a0, Policy = 0x1f260d0}, static SortCache = 0x0, List = 0x0}
#10 0x00007f51b6009133 in CommandLine::DispatchArg (this=0x7fff7f47ae10, Map=<optimized out>, NoMatch=true) at contrib/cmndline.cc:339
        Res = <optimized out>
        I = <optimized out>
#11 0x00000000004090d4 in main (argc=2, argv=<optimized out>) at apt-get.cc:3468
        Args = {{ShortOpt = 104 'h', LongOpt = 0x425114 "", ConfName = 0x425114 "", Flags = 0}, {ShortOpt = 118 'v', LongOpt = 0x424dda "", ConfName = 0x424dda "", Flags = 0}, {ShortOpt = 86 'V', LongOpt = 0x425119 "", ConfName = 0x424f3a "", Flags = 0}, {ShortOpt = 113 'q', LongOpt = 0x424ec7 "", ConfName = 0x424ec7 "", Flags = 2}, {ShortOpt = 113 'q', LongOpt = 0x42512a "", ConfName = 0x424ec7 "", Flags = 2}, {ShortOpt = 100 'd', LongOpt = 0x425131 "", ConfName = 0x42513f "", Flags = 0}, {ShortOpt = 98 'b', LongOpt = 0x425157 "", ConfName = 0x42515f "", Flags = 0}, {ShortOpt = 98 'b', LongOpt = 0x425171 "", ConfName = 0x42515f "", Flags = 0}, {ShortOpt = 115 's', LongOpt = 0x425177 "", ConfName = 0x424e2b "", Flags = 0}, {ShortOpt = 115 's', LongOpt = 0x425180 "", ConfName = 0x424e2b "", Flags = 0}, {ShortOpt = 115 's', LongOpt = 0x42518b "", ConfName = 0x424e2b "", Flags = 0}, {ShortOpt = 115 's', LongOpt = 0x425191 "", ConfName = 0x424e2b "", Flags = 0}, {ShortOpt = 115 's', LongOpt = 0x425199 "", ConfName = 0x424e2b "", Flags = 0}, {ShortOpt = 121 'y', LongOpt = 0x4252c7 "-yes", ConfName = 0x424f0f "", Flags = 0}, {ShortOpt = 121 'y', LongOpt = 0x4251a0 "", ConfName = 0x424f0f "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x4251ab "", ConfName = 0x424e3e "", Flags = 0}, {ShortOpt = 102 'f', LongOpt = 0x4251b5 "", ConfName = 0x42505e "", Flags = 0}, {ShortOpt = 117 'u', LongOpt = 0x4251c0 "", ConfName = 0x4251ce "", Flags = 0}, {ShortOpt = 109 'm', LongOpt = 0x4251e6 "", ConfName = 0x4251f5 "", Flags = 0}, {ShortOpt = 116 't', LongOpt = 0x42520b "", ConfName = 0x4250b9 "", Flags = 1}, {ShortOpt = 116 't', LongOpt = 0x42521a "", ConfName = 0x4250b9 "", Flags = 1}, {ShortOpt = 97 'a', LongOpt = 0x42522a "", ConfName = 0x42523c "", Flags = 1}, {ShortOpt = 0 '\000', LongOpt = 0x42565b " download", ConfName = 0x424efc "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x425258 "", ConfName = 0x4251f5 "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x425264 "", ConfName = 0x425270 "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x4254ce "-upgrade", ConfName = 0x425281 "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x425293 "", ConfName = 0x4252a0 "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x4252c1 ":force-yes", ConfName = 0x4252b7 "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x4252cb "", ConfName = 0x424ecd "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x4252d6 "", ConfName = 0x4252e0 "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x4252f4 "", ConfName = 0x4252e0 "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x425300 "", ConfName = 0x425309 "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x42531c "", ConfName = 0x425325 "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x425338 "", ConfName = 0x42533e "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x42534e "", ConfName = 0x42535b "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x425372 "", ConfName = 0x42537c "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x425390 "", ConfName = 0x42539d "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x4253f4 "-remove", ConfName = 0x4253b4 "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x4253c5 "", ConfName = 0x4250e6 "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x4253d1 "", ConfName = 0x4253db "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x4253ef "", ConfName = 0x4253fb "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x425415 "", ConfName = 0x423a50 "APT::Get::AllowUnauthenticated", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x42542b "", ConfName = 0x42543e "", Flags = 4}, {ShortOpt = 0 '\000', LongOpt = 0x425456 "", ConfName = 0x425467 "", Flags = 4}, {ShortOpt = 0 '\000', LongOpt = 0x42547d "", ConfName = 0x425073 "", Flags = 0}, {ShortOpt = 0 '\000', LongOpt = 0x425995 "esolver", ConfName = 0x425488 "", Flags = 1}, {ShortOpt = 99 'c', LongOpt = 0x425494 "", ConfName = 0x0, Flags = 17}, {ShortOpt = 111 'o', LongOpt = 0x4254a0 "", ConfName = 0x0, Flags = 33}, {ShortOpt = 0 '\000', LongOpt = 0x0, ConfName = 0x0, Flags = 0}}
        Cmds = {{Match = 0x4254a7 "", Handler = 0x40a250 <DoUpdate(CommandLine&)>}, {Match = 0x4254ce "-upgrade", Handler = 0x413ee0 <DoUpgrade(CommandLine&)>}, {Match = 0x425374 "einstall", Handler = 0x41acb0 <DoInstall(CommandLine&)>}, {Match = 0x4253f4 "-remove", Handler = 0x41acb0 <DoInstall(CommandLine&)>}, {Match = 0x425338 "", Handler = 0x41acb0 <DoInstall(CommandLine&)>}, {Match = 0x4254ae "", Handler = 0x41acb0 <DoInstall(CommandLine&)>}, {Match = 0x42503c "nmarkauto", Handler = 0x40dda0 <DoMarkAuto(CommandLine&)>}, {Match = 0x42503a "", Handler = 0x40dda0 <DoMarkAuto(CommandLine&)>}, {Match = 0x4254b9 "", Handler = 0x413ad0 <DoDistUpgrade(CommandLine&)>}, {Match = 0x4254c6 "", Handler = 0x4133b0 <DoDSelectUpgrade(CommandLine&)>}, {Match = 0x4254d6 "", Handler = 0x416320 <DoBuildDep(CommandLine&)>}, {Match = 0x4254e4 "oclean", Handler = 0x409e60 <DoClean(CommandLine&)>}, {Match = 0x4254e0 "", Handler = 0x40d9a0 <DoAutoClean(CommandLine&)>}, {Match = 0x4254ea "", Handler = 0x40e560 <DoCheck(CommandLine&)>}, {Match = 0x425927 "-source", Handler = 0x418a20 <DoSource(CommandLine&)>}, {Match = 0x42565b " download", Handler = 0x410900 <DoDownload(CommandLine&)>}, {Match = 0x4254f7 ".changelog", Handler = 0x410240 <DoChangelog(CommandLine&)>}, {Match = 0x4254f0 "", Handler = 0x409560 <DoMoo(CommandLine&)>}, {Match = 0x425114 "", Handler = 0x409590 <ShowHelp(CommandLine&)>}, {Match = 0x0, Handler = 0}}
        CmdL = {ArgList = 0x7fff7f47a6b0, Conf = 0x1f19010, FileList = 0x1f1f170}