source: CIVL/mods/dev.civl.com/examples/arithmetic/divisionBad.cvl@ cb4d4f4

/* divisionBad.cvl: denominator in division could be 0,
 * so error should be reported.
 * 
 * Commandline execution:
 *              civl verify divisionBad.cvl
 */
#include<civlc.cvh>
$input double x;
$input double y; // could be 0

void main() {
  double z = x/y;

  $assert(y*z==x);
}