Coq-VST

A structured dataset of formalizations from the Verified Software Toolchain (VST), a framework for proving correctness of C programs using separation logic in Coq.

Source

• Repository: https://github.com/PrincetonUniversity/VST
• Commit: dcb836404f5e65b4fe565837b61d42cf7d0b0f2c
• Files: 1424
• License: bsd-2-clause

Schema

Column	Type	Description
statement	string	Declaration signature/claim with the leading keyword removed (verbatim slice); the full declaration minus its proof
proof	string	Verbatim proof/body, empty if the declaration has none
type	string	Declaration keyword
symbolic_name	string	Declaration identifier
library	string	Sub-library
filename	string	Repository-relative source path
imports	list[string]	File-level Require/Import modules
deps	list[string]	Intra-corpus identifiers referenced
docstring	string	Preceding documentation comment, empty if absent
source_url	string	Upstream repository
commit	string	Upstream commit extracted

Statistics

• Entries: 43,717
• With proof: 42,115 (96.3%)
• With docstring: 4,469 (10.2%)
• Libraries: 77

By type

Type	Count
Lemma	18,960
Definition	14,271
Theorem	2,640
Ltac	1,606
Fixpoint	943
Inductive	922
Axiom	842
Notation	838
Instance	825
Parameter	431
Remark	290
Hypothesis	254
Record	211
Corollary	197
Let	127
Class	109
CoInductive	82
Function	43
Coercion	42
Ltac2	29
Scheme	16
Example	16
Canonical	8
CoFixpoint	6
Structure	4
Parameters	3
Variant	1
Fact	1

Example

v___stringlit_1
:= {|
  gvar_info := (tarray tschar 4);
  gvar_init := (Init_int8 (Int.repr 101) :: Init_int8 (Int.repr 110) ::
                Init_int8 (Int.repr 99) :: Init_int8 (Int.repr 0) :: nil);
  gvar_readonly := true;
  gvar_volatile := false
|}.

• type: Definition | symbolic_name: v___stringlit_1 | aes/aes.v

Use

Each declaration is split into a statement (signature/claim) and a proof (body) that are disjoint and together form the complete declaration, for proof modeling, autoformalization, retrieval, and dependency analysis via deps.

Citation

@misc{coq_vst_dataset,
  title  = {Coq-VST},
  author = {Norton, Charles},
  year   = {2026},
  note   = {Extracted from https://github.com/PrincetonUniversity/VST, commit dcb836404f5e},
  url    = {https://huggingface.co/datasets/phanerozoic/Coq-VST}
}