Summary
- pass option recommended by Andy Reynolds to CVC4 1.5 (released) or better
- updated CVC4 component to official 1.5 release
- merged
- eliminated more "guess", etc.
- merged
- more tidying
- more tidying up
- merged
- merged
- removed all "guess"
- tuned
- merged
- added lemmas
- simplified function specification history: each pending function specification is historized at the end of a theory, without additional bookkeeping; sufficient to keep history stamps rather than complete historized data; semantically conflicting specifications are temoprary blacklisted after theory merge but remain historized; clarified signature;
- merged
- generalized lemma