#0  0x00007f4666fd4f77 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 4651
        selftid = 4651
#1  0x00007f4666fd85e8 in __GI_abort () at abort.c:90
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7f466735f740 <main_arena>, sa_sigaction = 0x7f466735f740 <main_arena>}, sa_mask = {__val = {139940356030880, 45, 139940043184848, 139940043184848, 139940352590114, 45, 139940356030880, 45, 139940352592798, 45, 139940356030880, 1, 45, 44029328, 139940352548373, 44029328}}, sa_flags = 0, sa_restorer = 0x2ac9168}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f46548a76d5 in ?? ()
No symbol table info available.
#3  0x0000000000000001 in ?? ()
No symbol table info available.
#4  0x0000000100000003 in ?? ()
No symbol table info available.
#5  0x0000000000000000 in ?? ()
No symbol table info available.