#0  __GI_____strtol_l_internal (nptr=0x0, endptr=endptr@entry=0x0, base=base@entry=10, group=group@entry=0, loc=0x7f82bf9a9060 <_nl_global_locale>) at ../stdlib/strtol_l.c:298
  [Error: ../stdlib/strtol_l.c was not found in source tree]
#1  0x00007f82bf625742 in __GI_strtol (nptr=<optimized out>, endptr=endptr@entry=0x0, base=base@entry=10) at ../stdlib/strtol.c:108
  [Error: ../stdlib/strtol.c was not found in source tree]
#2  0x0000000000406551 in atoi (__nptr=<optimized out>) at /usr/include/stdlib.h:280
  [Error: /usr/include/stdlib.h was not found in source tree]
#3  parse_args (argv=0x7fff5741dc28, argc=3) at src/main.c:135
  [Error: src/main.c was not found in source tree]
#4  main (argc=3, argv=0x7fff5741dc28) at src/main.c:214
  [Error: src/main.c was not found in source tree]