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 VALID initialisation");
    {
      Number bOkay = natOne();
      //@ assert Utils.is_nat(bOkay);

      /* skip */
    }

    IO.println("After VALID initialisation");
    IO.println("Before INVALID initialisation");
    {
      Number bError = natNil();
      //@ assert Utils.is_nat(bError);

      /* skip */
    }

    IO.println("After INVALID initialisation");
    return true;
  }
  /*@ pure @*/

  public static Number natNil() {

    Number ret_1 = null;
    //@ assert ((ret_1 == null) || Utils.is_nat(ret_1));

    return ret_1;
  }
  /*@ pure @*/

  public static Number natOne() {

    Number ret_2 = 1L;
    //@ assert ((ret_2 == null) || Utils.is_nat(ret_2));

    return ret_2;
  }

  public String toString() {

    return "Entry{}";
  }
}