{"id":28837334,"url":"https://github.com/viperproject/program-proofs-viper","last_synced_at":"2026-02-12T10:04:43.925Z","repository":{"id":283310259,"uuid":"951314042","full_name":"viperproject/program-proofs-viper","owner":"viperproject","description":"Examples and exercises from the book Program Proofs translated Viper.","archived":false,"fork":false,"pushed_at":"2025-03-19T15:12:56.000Z","size":105,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":10,"default_branch":"main","last_synced_at":"2026-02-02T17:12:29.523Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":null,"has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/viperproject.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null}},"created_at":"2025-03-19T13:41:18.000Z","updated_at":"2025-03-20T09:10:17.000Z","dependencies_parsed_at":null,"dependency_job_id":"28147d7d-9a91-4940-ab66-7475d5af3bfc","html_url":"https://github.com/viperproject/program-proofs-viper","commit_stats":null,"previous_names":["viperproject/program-proofs-viper"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/viperproject/program-proofs-viper","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/viperproject%2Fprogram-proofs-viper","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/viperproject%2Fprogram-proofs-viper/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/viperproject%2Fprogram-proofs-viper/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/viperproject%2Fprogram-proofs-viper/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/viperproject","download_url":"https://codeload.github.com/viperproject/program-proofs-viper/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/viperproject%2Fprogram-proofs-viper/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":29363010,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-02-12T08:51:36.827Z","status":"ssl_error","status_checked_at":"2026-02-12T08:51:26.849Z","response_time":55,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2025-06-19T12:06:16.018Z","updated_at":"2026-02-12T10:04:43.920Z","avatar_url":"https://github.com/viperproject.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"# Program Proofs in Viper\nExamples and exercises from the book [*Program Proofs*](https://program-proofs.com/) by Rustan Leino translated and verified in [Viper](https://www.pm.inf.ethz.ch/research/viper.html).\n\n## Repository Structure\nFor each chapter of the book that we cover, we have a separate folder.\nIn each folder, there are two kinds of files depending on their names:\n- files named `examples_X.Y.gobra` contain the examples from section `X.Y` of the book.\n- files named `exercises_X.Y.gobra` contain the solutions to the exercises from section `X.Y`\n  of the book, **not** the solution to exercise `X.Y`.\n\n## Translators\n- Chapters 6 - 12: Frei, Benjamin. [\"Translating Pegagogical Verification Exercises to Viper.\"](https://ethz.ch/content/dam/ethz/special-interest/infk/chair-program-method/pm/documents/Education/Theses/Benjamin_Frei_BA_Report.pdf) (2023).\n- Chapters 13 - 16: Ruff, Elias [\"Translating Pegagogical Verification Exercises to Viper.\"](https://ethz.ch/content/dam/ethz/special-interest/infk/chair-program-method/pm/documents/Education/Theses/elruff_Elias_Ruff_BA_Report.pdf) (2023).\n- Chapters 1 - 5, 17: Klose, Nicolas; Müller, Peter;","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fviperproject%2Fprogram-proofs-viper","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fviperproject%2Fprogram-proofs-viper","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fviperproject%2Fprogram-proofs-viper/lists"}