[PPL-devel] Parma Polyhedra Library
varza victor
victor.varza at gmail.com
Thu Mar 28 10:02:44 CET 2013
Dear Roberto,
Thank you very much for helping me. I knew that I missed something because
PLL is a powerful tool.
Kind regards,
Victor
2013/3/28 Roberto Bagnara <bagnara at cs.unipr.it>
> On 03/28/13 09:09, varza victor wrote:
> > My question is about this paper "The Parma Polyhedra Library: Toward
> > a Complete Set of Numerical Abstractions for the Analysis and
> > Verification"
> > (http://bugseng.com/products/ppl/documentation/BagnaraHZ08SCP.pdf)which
> > describes a method to find min and max for a linear programming
> > problem. The author used LP_Problem class which I haven't found in
> > the source code of the PPL. He also suggest (page 13) that the LP
> > Solver is only in the CVS repository.
>
> Hi Victor,
>
> see the NEWS for version 0.10 (released on November 4, 2008):
>
> o The class LP_Problem has been renamed MIP_Problem and now supports
> the solution of Mixed Integer (Linear) Programming problems.
> Support has been added for the incremental solution of MIP
> problems: it is now possible to add new space dimensions or new
> constraints to the feasible region, as well as change the objective
> function and the optimization mode, while still exploiting some of
> the computational work done before these changes. Support has also
> been added to change control parameters for the pricing method.
> This allows a choice between the steepest edge pricing method,
> either implemented with floating point numbers (default) or with
> integer coefficients, and the textbook pricing method.
>
> Kind regards,
>
> Roberto
>
> > 2013/3/28 Roberto Bagnara <bagnara at cs.unipr.it <mailto:
> bagnara at cs.unipr.it>>
> >
> > On 03/27/13 18:39, varza victor wrote:
> > > Hi,
> > > My name is Victor Varza, I'm student at Politehnica University of
> > > Bucharest and I working at a research about actual fuzzing testing
> > > tools and methods.I want to use your library (PPL) to generate some
> > > test case from a given constraint sistem. I have searched in your
> > > papers to find how to do this but I haven't find something that
> > > could help me. I'm working in C++ and I need some example to
> > > generate data for a poliedrom. Could you please help me in this
> way?
> > >
> > > Best regards,
> > > VIctor
> >
> > Dear Victor,
> >
> > I am not sure I understand. The PPL Git repository (and any source
> > distribution for that matter) is packed with tests and sample code.
> > The manual contains lots of examples. And you can download entire
> > applications using the PPL following links from
> >
> > http://bugseng.com/products/ppl/applications
> >
> > Kind regards,
> >
> > Roberto
> >
> > --
> > Prof. Roberto Bagnara
> >
> > Applied Formal Methods Laboratory - University of Parma, Italy
> > mailto:bagnara at cs.unipr.it <mailto:bagnara at cs.unipr.it>
> > BUGSENG srl - http://bugseng.com
> > mailto:roberto.bagnara at bugseng.com<mailto:
> roberto.bagnara at bugseng.com>
> >
> >
> >
> >
> > _______________________________________________
> > PPL-devel mailing list
> > PPL-devel at cs.unipr.it
> > http://www.cs.unipr.it/mailman/listinfo/ppl-devel
> >
>
>
> --
> Prof. Roberto Bagnara
>
> Applied Formal Methods Laboratory - University of Parma, Italy
> mailto:bagnara at cs.unipr.it
> BUGSENG srl - http://bugseng.com
> mailto:roberto.bagnara at bugseng.com
>
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