A machine and methods for reassign the execution order of program steps of a multi-step test program is disclosed. In an embodiment a machine for evaluating an error in a software program includes a microprocessor coupled to a memory, wherein the microprocessor is programmed to evaluate the error by (a) providing program steps of the software program, (b) assigning a position number to each program step, (c) performing an evaluation run on the program steps, (d) evaluating a performance of each program step, (e) rearranging the position number of each program step based on the performance of each program step, and (f) repeating steps (c)-(e).