Add bean to food processor and process using on/off pulse until beans are well mashed. Scrape down sides as necessary. Reserve. Heat oil in a Dutch oven. Add carrots, onions, celery and garlic and saute for 5 minutes on medium heat. Add remaining ingredientss except pasta and bring to a boil. Reduce heat to a simmer and cook stirring occasionally for 20 minutes. Keep warm. Add pasta to finished soup and serve immediately.