source: CIVL/examples/library/civlc/elaborateDomain.cvl

#include<civlc.cvh>
#include<domain.cvh>
#include<stdio.h>

#define N 2
$input int X, Y, K, L;
$assume(0 < X && X <= N);
$assume(0 < Y && Y <= N);
$assume(1 < K && K <= N+1);
$assume(1 < L && L <= N+1);

int main(){
  $range r1=1 .. X # 1, r2=1 .. Y, r3=1 .. K, r4=1 .. L;
  $domain(2) domPar=($domain(2)){r1, r2};
  $domain(2) domFor=($domain(2)){r3, r4};

  void thread(int x, int y){
    printf("x=%d,y=%d,X=%d,Y=%d\n", x, y, X, Y);
  }

  // domFor is elaborated implicitly before $for
  $for(int i,j: domFor){
    printf("i=%d,j=%d,K=%d,L=%d\n", i, j, K, L);
  }
  // domPar is elaborated implicitly before $parfor
  $parfor(int x,y: domPar)
   thread(x, y);
}