problem in core dumped

[ms31376]

hi when in run this code
#include <stdio.h>
#include <stdlib.h>
void func()
{
int a = 5 ;
int b = 2;
int ret = 0 ;
if(a<b){
ret = a;
}
if(a>b){
ret = b;
}
printf( "Max value is : %d\n", ret );
}

void main(int argc, char** argv){
func();
exit();
}

with this statment gcc ../Desktop/c1/main.c -E && ./bin/milu --debug=dot -f func.txt ../Desktop/c1/main.c
i get this message:
1.Segmentation fault (core dumped)

[Brick7Face]

I also have this issue

[JingTianM]

You can try to remove the header file and the main function.