Geodesic
Towards automatic deductive verification of C programs with sisal loops using the C-lightVer system
Modelirovanie i analiz informacionnyh sistem, Tome 28 (2021) no. 4, pp. 372-393

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The C-lightVer system is developed in IIS SB RAS for C-program deductive verification. C-kernel is an intermediate verification language in this system. Cloud parallel programming system (CPPS) is also developed in IIS SB RAS. Cloud Sisal is an input language of CPPS. The main feature of CPPS is implicit parallel execution based on automatic parallelization of Cloud Sisal loops. Cloud-Sisal-kernel is an intermediate verification language in the CPPS system. Our goal is automatic parallelization of such a superset of C that allows implementing automatic verification. Our solution is such a superset of C-kernel as C-Sisal-kernel. The first result presented in this paper is an extension of C-kernel by Cloud-Sisal-kernel loops. We have obtained the C-Sisal-kernel language. The second result is an extension of C-kernel axiomatic semantics by inference rule for Cloud-Sisal-kernel loops. The paper also presents our approach to the problem of deductive verification automation in the case of finite iterations over data structures. This kind of loops is referred to as definite iterations. Our solution is a composition of symbolic method of verification of definite iterations, verification condition metageneration and mixed axiomatic semantics method. Symbolic method of verification of definite iterations allows defining inference rules for these loops without invariants. Symbolic replacement of definite iterations by recursive functions is the base of this method. Obtained verification conditions with applications of recursive functions correspond to logical base of ACL2 prover. We use ACL2 system based on computable recursive functions. Verification condition metageneration allows simplifying implementation of new inference rules in a verification system. The use of mixed axiomatic semantics results to simpler verification conditions in some cases.
Keywords: deductive verification, C-lightVer, cloud parallel programming system, symbolic method of verification of definite iterations, loop invariant
Mots-clés : ACL2. 
@article{MAIS_2021_28_4_a4,
     author = {D. A. Kondratyev},
     title = {Towards automatic deductive verification of {C} programs with sisal loops using the {C-lightVer} system},
     journal = {Modelirovanie i analiz informacionnyh sistem},
     pages = {372--393},
     publisher = {mathdoc},
     volume = {28},
     number = {4},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAIS_2021_28_4_a4/}
}
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D. A. Kondratyev. Towards automatic deductive verification of C programs with sisal loops using the C-lightVer system. Modelirovanie i analiz informacionnyh sistem, Tome 28 (2021) no. 4, pp. 372-393. http://geodesic.mathdoc.fr/item/MAIS_2021_28_4_a4/