According to one embodiment, a system LSI verification system that verifies a processor module included in a system LSI, the system comprising: a circuit description storage that stores description data that describes a design of the processor module; a verification task generator that generates a verification task file based on the description data and a verification environment specification file in which specifications of a verification environment are described; a test program storage that stores a test program including an environment command function for starting the verification task; and a logical simulator that performs a logical simulation according to the test program.