[TYPES/announce] SyGuS-COMP 2017 Call for Solvers and Benchmarks Submission

[Dana Fisman]

SyGuS-COMP 2017 Call for Solvers and Benchmarks Submission
4th Syntax Guided Synthesis Competition
Satellite event of CAV and SYNT 2017
http://www.sygus.org/SyGuS-COMP2017.html



*Important Dates:*
15 May 2017: Benchmark submission deadline
7 June 2017: Deadline for first version of solvers
14 June 2017: Deadline for final version of solvers and for solver
description
14 July 2017: Results published
22 July 2017: Solvers presentation (at SYNT'17)


*Call for Participation:*This is a call for participation for the 4th
Syntax-Guided Synthesis Competition to be organized as a satellite event of
SYNT/CAV 2017.
The classical formulation of the program-synthesis problem is to find a
program that meets a correctness specification given as a logical formula.
Recent work on program synthesis and program optimization illustrates many
potential benefits of allowing the user to supplement the logical
specification with a syntactic template that constrains the space of
allowed implementation. The motivation is twofold. First, narrowing the
space of implementations makes the synthesis problem more tractable.
Second, providing a specific syntax can potentially lead to better
optimizations.

The input to the syntax-guided synthesis problem (SyGuS) consists of a
background theory, a semantic correctness specification for the desired
program given by a logical formula, and a syntactic set of candidate
implementations given by a grammar. The computational problem then is to
find an implementation from the set of candidate expressions that satisfies
the specification in the given theory.

There has been a lot of recent interest in both using SyGuS solvers for
various synthesis applications and developing different solving algorithms.
The SyGuS competition (SyGuS-Comp'17) will allow solvers to compete on a
collection of benchmarks and advance the state-of-the-art for
program-synthesis tools. The competition is organized as part of NSF
Expeditions in Computing project ExCAPE by Rajeev Alur (Penn), Dana
Fisman (Ben-Gurion
University), Rishabh Singh (Microsoft Research), and Armando Solar-Lezama
(MIT). For questions regarding the competition please contact the
organizers at sygus-organizers at seas.upenn.edu.


*Tracks:*This year's competition will have 4 tracks: 1) General SyGuS
track, 2) Invariant Synthesis track, 3) Conditional Linear Integer
Arithmetic track, and 4) Programming By Examples (PBE). More details about
the tracks can be found in the extended SyGuS-IF
<http://sygus.seas.upenn.edu/files/SyGuS-Syntax-SyGuSCOMP'15.pdf>. The
results of the 3rd SyGuS competition can be found here
<http://www.sygus.org/files/SyGuSComp16.pdf>.


*Benchmarks for the competition:*We will evaluate the solvers on a subset
of public benchmarks and some secret benchmarks. The domains of benchmarks
include bit-vector manipulation, including bit-vector algorithms,
concurrency, robotics, string transformations, and invariant generation. We
are still finalizing the set of benchmarks, and would appreciate your
contribution to the benchmarks as well.


*Evaluation:*Evaluation of the solvers will be done on the StarExec system
(200 dual quad-core machines with 256GB memory each). The solvers would be
run with a TIMEOUT value. The SyGuS-correctness checker, as well as the
solvers from last year's competition are available on the SyGuS community
at StarExec. Candidate participants are invited to register on StarExec
where they can easily compare their solvers to the previous ones against
the public benchmarks. The scoring will take into account the number of
benchmarks solved, the solving time, and the size of the synthesized
solution.


*Tool Submission and Description:*We expect the tool developers to test
their solvers on the public benchmarks, and submit the solver binaries by
the Solver submission deadline. Each solver submission should be
accompanied by a 1-2 page (IEEE format) description of the key ideas of the
solvers.


*Licensing of Tools and Benchmarks:*All benchmarks will be made public
after the competition. We encourage the tool developers to make their
solvers open-source, but participants are welcomed to submit binaries of
proprietary tools as well.
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