Attempt to produce interpolants for CEX's
Interpolation
Identify SMT solver input
Allow empty predicate abstraction (without .pred file)
Intercepting errors (spurious) at notification-time is too late
Extract predicates from interpolants
Fix
Fixes
Extracting interpolants: Step 2
Fix trace construction (ssa encoding), Missing support for predicates over anonymous objects
Refinement
CounterexampleListener
Traceformula scoping
Method call support in interpolants
Cleaner trace manipulation, remove assertion allocation suffix, ...