• Python 2.7.x (default for Ubuntu Linux 12.04 and above, Mac OS X Lion and above)
• Z3 (bundled, binaries for Ubuntu Linux 14.10)

############################ Z3 installation can be performed using this guide:

https://github.com/Z3Prover/z3 relevant section is: Z3 bindings -> Python

python relaxed_trace_analyzer.py filename to set the depth of the run (number of steps in the program) use -n option. for example: python relaxed_trace_analyzer.py filename -n 10

executing on the sll-filter examples: python relaxed_trace_analyzer.py Sindarin.PDR-Universal/benchmarks/sll-filter.imp -n=3

[1] Karbyshev et al., Property-Directed Inference of Universal Invariants or Proving Their Absence, in Computer Aided Verification (CAV) 2015.