Slicing-Based Trace Analysis of Rewriting Logic Specifications with iJulienne

We present iJulienne, a trace analyzer for conditional rewriting logic theories that can be used to compute abstract views of Maude executions that help users understand and debug programs. Given a Maude execution trace and a slicing criterion which consists of a set of target symbols occurring in a selected state of the trace, iJulienne is able to track back reverse dependences and causality along the trace in order to incrementally generate highly reduced program and trace slices that reconstruct all and only those pieces of information that are needed to deliver the symbols of interest. iJulienne is also endowed with a trace querying mechanism that increases flexibility and reduction power and allows program runs to be examined at the appropriate level of abstraction.