Entry.java

package project;

import java.util.*;
import org.overture.codegen.runtime.*;
import org.overture.codegen.vdm2jml.runtime.*;

@SuppressWarnings("all")
//@ nullable_by_default

final public class Entry {
  /*@ public ghost static boolean invChecksOn = true; @*/

  private Entry() {}

  public static Object Run() {

    IO.println("Before legal use");
    {
      VDMSet r = idSet(SetUtil.set(true, false));
      //@ assert (V2J.isSet(r) && (\forall int i; 0 <= i && i < V2J.size(r); Utils.is_bool(V2J.get(r,i))));

      /* skip */
    }

    IO.println("After legal use");
    IO.println("Before illegal use");
    {
      VDMSet xs = null;
      //@ assert ((xs == null) || (V2J.isSet(xs) && (\forall int i; 0 <= i && i < V2J.size(xs); Utils.is_bool(V2J.get(xs,i)))));

      VDMSet r = idSet(Utils.copy(xs));
      //@ assert (V2J.isSet(r) && (\forall int i; 0 <= i && i < V2J.size(r); Utils.is_bool(V2J.get(r,i))));

      /* skip */
    }

    IO.println("After illegal use");
    return 0L;
  }
  /*@ pure @*/

  public static VDMSet idSet(final VDMSet xs) {

    //@ assert (V2J.isSet(xs) && (\forall int i; 0 <= i && i < V2J.size(xs); Utils.is_bool(V2J.get(xs,i))));

    VDMSet ret_1 = Utils.copy(xs);
    //@ assert (V2J.isSet(ret_1) && (\forall int i; 0 <= i && i < V2J.size(ret_1); Utils.is_bool(V2J.get(ret_1,i))));

    return Utils.copy(ret_1);
  }

  public String toString() {

    return "Entry{}";
  }
}