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Paulo Matos

PROFILE

Paulo Matos

Worked on the esbmc/esbmc repository, delivering eight features and three bug fixes over five months focused on static analysis, verification, and developer tooling. Implemented cross-platform build automation, including macOS support in nightly releases, and enhanced the Python and C frontends with improved AST manipulation and language compatibility. Addressed resource management by adding automatic cleanup of temporary directories on process termination, and improved crash diagnostics in parallel workflows. Leveraged C++, Python, and CMake to strengthen build reliability, documentation, and plugin integration. The work emphasized robust testing, continuous integration, and cross-language support, resulting in more reliable releases and streamlined developer onboarding.

Overall Statistics

Feature vs Bugs

73%Features

Repository Contributions

15Total
Bugs
3
Commits
15
Features
8
Lines of code
18,948
Activity Months5

Work History

May 2026

1 Commits • 1 Features

May 1, 2026

May 2026 monthly summary for esbmc/esbmc: Implemented macOS support in the nightly release workflow, enabling build and packaging for macOS alongside Linux and Windows, and attaching macOS artifacts to nightly releases. Changes were isolated to the release workflow and aligned with the existing build matrix; macOS build flags were set to match the PR-time workflow to ensure parity and consistency across targets.

April 2026

4 Commits • 3 Features

Apr 1, 2026

April 2026 Monthly Summary (esbmc/esbmc) Overview: This month focused on strengthening developer onboarding, enhancing Python and C-frontend capabilities, and improving cross-toolchain compatibility to drive more robust static analysis and verification. Delivered targeted documentation, core language feature support, and frontend transformation enhancements, backed by expanded regression testing. Overall impact: Improved developer productivity through better documentation, expanded Python language support in the preprocessor, and stronger GCC/Clang frontend integration. Achieved higher fidelity modeling of truthiness across data types, more reliable handling of generator expressions, and safer nesting function transformations, leading to fewer regressions and broader toolchain compatibility.

March 2026

1 Commits

Mar 1, 2026

March 2026 (2026-03) – Esbmc/esbmc: Delivered a targeted bug fix to crash logging in k-induction parallel mode, enhancing reliability of crash analytics and reducing noise in crash reports. Previously, the waitpid-based monitoring logged crashes for all terminated child processes, including those intentionally killed when a solution is found. The fix introduces tracking of intentionally killed children and only logs crashes for truly unexpected terminations, improving diagnostic accuracy and developer focus on genuine failures. Relevant commit: 1e829963a0ea9388293ca7c308fd64c214779f7f (co-authored by Lucas Cordeiro).

February 2026

8 Commits • 3 Features

Feb 1, 2026

February 2026 monthly summary focused on delivering cross-language verification capabilities, improving model fidelity for Python Decimal, and strengthening build and frontend reliability. Key deliveries include modularizing the ESBMC Claude Code plugin for independent versioning and marketplace installation, advancing multi-language verification (C, C++, Python, Solidity, CUDA, Java/Kotlin), and implementing a CPython-aligned Decimal model with constant-folding and operator support. Documentation and install flow improvements, plus build-system hardening and runtime bug fixes, reduced risk for users and improved developer velocity.

January 2026

1 Commits • 1 Features

Jan 1, 2026

January 2026: Implemented automatic cleanup of temporary directories on process termination in esbmc/esbmc, registering cleanup paths and removing them on signal-based termination to prevent clutter and resource leaks. This work enhances reliability and CI hygiene by ensuring ephemeral artifacts don’t persist after termination.

Activity

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Quality Metrics

Correctness100.0%
Maintainability89.4%
Architecture96.0%
Performance88.0%
AI Usage40.0%

Skills & Technologies

Programming Languages

CC++CMakeCUDAJSONJavaKotlinMarkdownPythonSolidity

Technical Skills

AI integrationAST ManipulationC programmingC++ DevelopmentC++ developmentC/C++ developmentCMakeCompiler DesignCompiler designContinuous IntegrationDevOpsGitHub ActionsKotlin developmentPython DevelopmentPython development

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

esbmc/esbmc

Jan 2026 May 2026
5 Months active

Languages Used

C++CCMakeCUDAJSONJavaKotlinMarkdown

Technical Skills

C++ developmentsignal handlingsystem programmingC/C++ developmentCMakeKotlin development