package com.tngtech.jgiven.report.model;

public class ReportStatistics {
    public int numClasses;
    public int numScenarios;
    public int numCases;
    public int numFailedCases;
    public int numSteps;
    public int durationInNanos;
}

@@ -215,19 +215,20 @@
  public 
-int
+long
  duratio

use long instead of int to avoid overflow