.
Thread 1 (LWP 32371):
#0  0x00007f902bcb0425 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 32371
#1  0x0000000000402b9c in ?? ()
No symbol table info available.
#2  0x00007f902bc9b76d in __libc_start_main (main=0x4020f0, argc=3, ubp_av=0x7fff38beb5e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff38beb5d8) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2630899086177581474, 4207928, 140734145410528, 0, 0, 2631045859887564382, 2620387632318531166}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x418b00, 0x7fff38beb5e8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4295424}}}
        not_first_call = <optimized out>
#3  0x0000000000403561 in ?? ()
No symbol table info available.
#4  0x00007fff38beb5d8 in ?? ()
No symbol table info available.
#5  0x000000000000001c in ?? ()
No symbol table info available.
#6  0x0000000000000003 in ?? ()
No symbol table info available.
#7  0x00007fff38bec955 in ?? ()
No symbol table info available.
#8  0x00007fff38bec95c in ?? ()
No symbol table info available.
#9  0x00007fff38bec96c in ?? ()
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.