This sounds terrific. With smt at the moment being essentially forbidden 
anywhere in the distribution, an SMT result from sledgehammer only means “yes 
it is a theorem”, and having to replace a single smt line by something 10 times 
as long is always painful.

Larry

> On 19 Oct 2020, at 17:25, Jasmin Blanchette <[email protected]> wrote:
> 
> Hi Larry,
> 
>> I was wanting to know exactly the same thing. In particular, will 
>> sledgehammer suggest it now? And does it give us a version of the smt method 
>> more robust than the existing one?
> 
> That's the goal, but for this to happen, a few small changes (as well as some 
> testing) have to take place. Having the new binaries is the first step. We're 
> (Martin, Mathias, and I) are well aware of the 15 Dec. deadline.
> 
> See also this paper draft for some empirical data:
> 
>       https://matryoshka-project.github.io/pubs/verit_isa_paper.pdf
> 
> The nice thing about veriT is that it has more complete instantiation 
> techniques than Z3 -- in fact, more or less the same as implemented in CVC4. 
> This should boost the reconstruction success rate of proofs founds by CVC4.
> 

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