Produce error for bad indexed function names in SMT-LIB, remove antlr warning.
Merge branch '1.4.x'
Add option for inductive strengthening based on well-founded induction for integers (default schema).
Update bv proof signature and example, after discussions with Liana.
Fix --inst-max-level for strategies that use arbitrary representative terms.
proofs work in progress
refactoring TheoryProof code
stupid merge conflict
merge yet again