#include <avr/wdt.h>

volatile bool pushed = 0;

void button(){
  pushed = 1;
}

void reset(){
  while(true)
		{
			wdt_enable(WDTO_15MS);
			for(;;) {};
		}
}

void disableReset()
	{
		MCUSR = 0 ;
		wdt_disable() ;
	}

void setup() {
pinMode(2, INPUT_PULLUP);
attachInterrupt(digitalPinToInterrupt(2),button,FALLING);
pinMode(13, OUTPUT);
Serial.begin(115200);
}

void loop() {
  delay(3000);
    Serial.println("This will be printed");
    
    if(pushed == 0) {reset();}//Arduino will allways reset
    if(pushed == 1) {pushed = 0;} //Unless button is pushed

  Serial.println("This is printed if button is pushed");



}