         }
         let verifytask = VerifyTask(arguments: arguments)
         verifytask.executeProcess(outputprocess: self.outputprocess)
+        self.processRefererence = verifytask
     }
 
     private func setNumbers(outputprocess: OutputProcess?, local: Bool) {

            self.outputprocess = OutputProcess()
            let verifytask = VerifyTask(arguments: arguments)
            verifytask.executeProcess(outputprocess: self.outputprocess)
        }
    }


            })
        }
    }
    
    override func viewDidDisappear() {
        super.viewDidDisappear()
        self.processRefererence!.abortProcess()
    }

    private func enabledisablebuttons(enable: Bool) {
        self.verifybutton.isEnabled = enable
