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");
    {
      final VDMSeq ignorePattern_1 = SeqUtil.seq(2L, 4L, 6L);
      //@ assert ((V2J.isSeq1(ignorePattern_1) && (\forall int i; 0 <= i && i < V2J.size(ignorePattern_1); Utils.is_nat(V2J.get(ignorePattern_1,i)))) && inv_Entry_Seq1Even(ignorePattern_1));

      /* skip */
    }

    IO.println("After legal use");
    IO.println("Before illegal use");
    {
      final VDMSeq ignorePattern_2 = SeqUtil.seq(2L, 4L, 6L, 9L);
      //@ assert ((V2J.isSeq1(ignorePattern_2) && (\forall int i; 0 <= i && i < V2J.size(ignorePattern_2); Utils.is_nat(V2J.get(ignorePattern_2,i)))) && inv_Entry_Seq1Even(ignorePattern_2));

      /* skip */
    }

    {
      final VDMSeq ignorePattern_3 = emptySeqOfNat();
      //@ assert ((V2J.isSeq1(ignorePattern_3) && (\forall int i; 0 <= i && i < V2J.size(ignorePattern_3); Utils.is_nat(V2J.get(ignorePattern_3,i)))) && inv_Entry_Seq1Even(ignorePattern_3));

      /* skip */
    }

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

  public static VDMSeq emptySeqOfNat() {

    VDMSeq ret_1 = SeqUtil.seq();
    //@ assert (V2J.isSeq(ret_1) && (\forall int i; 0 <= i && i < V2J.size(ret_1); Utils.is_nat(V2J.get(ret_1,i))));

    return Utils.copy(ret_1);
  }

  public String toString() {

    return "Entry{}";
  }

  /*@ pure @*/
  /*@ helper @*/

  public static Boolean inv_Entry_Seq1Even(final Object check_xs) {

    VDMSeq xs = ((VDMSeq) check_xs);

    Boolean forAllExpResult_1 = true;
    VDMSet set_1 = SeqUtil.elems(Utils.copy(xs));
    for (Iterator iterator_1 = set_1.iterator(); iterator_1.hasNext() && forAllExpResult_1; ) {
      Number x = ((Number) iterator_1.next());
      forAllExpResult_1 = Utils.equals(Utils.mod(x.longValue(), 2L), 0L);
    }
    return forAllExpResult_1;
  }
}