Consider the following statements regarding the foundation and dynasties of the Vijayanagara Empire:
1. Harihara and Bukka, the founders, originally served as feudatories to the Kakatiyas of Warangal and later became ministers in the kingdom of Kampili.
2. The correct chronological sequence of the dynasties that ruled Vijayanagara is Sangama, Saluva, Tuluva, and Aravidu.
3. The empire was founded on the southern banks of the Tungabhadra river under the spiritual guidance of the sage Vidyaranya.
Which of the statements given above are correct?