Error: segmentation violation
   rax 0000000000000000, rbx 00000000013dc140, rcx ffffffffffffffff
   rdx 00000000000107f5, rsp 00007ffd608eb188, rbp 00007ffd608eb1b0
   rsi 000000000000000b, rdi 00000000000107f5, r8  00007f45f678d740
   r9  0000000000000000, r10 00007ffd608eabe0, r11 0000000000000206
   r12 00007ffd608eb6b0, r13 000000000238f520, r14 00000000013c5630
   r15 00007f2cf5cf37a0
  --- traceback not available