cryspen/hax
Feb 2025 – Mar 2025
2 Months active
Languages Used
F*
Technical Skills
Formal VerificationLemma ProvingRust PrimitivesTheorem Proving
mamonet
PROFILE
Mamonet
Maamoun contributed to the cryspen/hax repository by advancing formal verification for Rust primitive integer operations. Over two months, he enhanced the Logand Lemma to specify bitwise AND behavior in edge cases and introduced the logor_disjoint lemma, which formalizes conditions where bitwise OR equals the sum of operands under disjointness constraints. Working primarily in F* and Rust, Maamoun focused on lemma proving and theorem formalization to strengthen correctness proofs for integer arithmetic. His work improved verification coverage for low-level code, reducing risk in downstream components and supporting safer optimizations through rigorous formal methods and precise reasoning about bitwise operations.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
2Total
Bugs
0
Commits
2
Features
2
Lines of code
7
Activity Months2
Work History
March 2025
1 Commits • 1 Features
Mar 1, 2025Month: 2025-03 — Focused on formal verification and integer arithmetic reasoning in cryspen/hax. Delivered a new lemma logor_disjoint for Rust primitive integer types, plus its integration in Rust_primitives.Integers. No major bug fixes reported this month. Overall impact: strengthened formal guarantees around bitwise/arithmetical equivalence, enabling safer low-level code and potential optimizations. Technologies/skills: formal methods, lemma formalization, Rust, disjointness reasoning, Git/version control.
1 Commits • 1 Features
Mar 1, 2025Month: 2025-03 — Focused on formal verification and integer arithmetic reasoning in cryspen/hax. Delivered a new lemma logor_disjoint for Rust primitive integer types, plus its integration in Rust_primitives.Integers. No major bug fixes reported this month. Overall impact: strengthened formal guarantees around bitwise/arithmetical equivalence, enabling safer low-level code and potential optimizations. Technologies/skills: formal methods, lemma formalization, Rust, disjointness reasoning, Git/version control.
March 2025
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 — Cryspen HAX: Strengthened formal verification for Rust primitives by delivering enhancements to the Logand Lemma. Focused on improving correctness proofs for integer operations and bitwise behavior in Rust_primitives, enabling more robust verification coverage and reducing risk in downstream components.
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 — Cryspen HAX: Strengthened formal verification for Rust primitives by delivering enhancements to the Logand Lemma. Focused on improving correctness proofs for integer operations and bitwise behavior in Rust_primitives, enabling more robust verification coverage and reducing risk in downstream components.
Activity
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Quality Metrics
Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
F*
Technical Skills
Formal VerificationLemma ProvingRust PrimitivesTheorem Proving
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