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Mission-Critical Precision. Autonomous Verification.

From Legacy Avionics to eVTOLs: Automate DO-178C DAL A Compliance.

TimeZero is the world’s first Autonomous Functional Safety Engineer built for the aerospace and defense sector. We bridge the gap between complex C++ flight control systems and rigorous airworthiness certification, delivering deterministic results where failure is not an option.

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As aerospace systems transition to multi-core processors and AI-driven navigation, the cost of manual verification has become unsustainable.

The "Verification Wall" in Modern Aerospace

  • The MC/DC Nightmare: Achieving 100% Modified Condition/Decision Coverage (MC/DC) manually for DAL A is notoriously difficult, often consuming 50% of the total engineering budget.
  • Legacy Code Debt: Massive legacy codebases in defense programs are difficult to refactor without breaking certification, often leading to "spaghetti code" that violates modularity.
  • Traceability Gaps: Managing derived requirements across millions of lines of code manually creates "orphan code"—a critical failure point during DO-178C audits.
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Deterministic AI for Airworthiness

TimeZero is not a generic coding assistant. It is a specialized verification platform that combines Symbolic Execution with LLMs to solve the specific mathematical constraints required by aviation authorities.

100% MC/DC Coverage (DAL A Certified)

Stop writing manual test vectors. TimeZero uses a unique hybrid engine (Z3 SMT Solver + LLM) to mathematically guarantee coverage.

Symbolic Execution

Formally proves execution paths to satisfy rigorous DAL A structural coverage requirements.

Hybrid Solver

When traditional solvers hit complexity limits (timeouts), our specialized LLM decomposes the logic to generate valid test vectors for even the most complex nested conditions.

Unreachable Code Detection

Automatically identifies and flags dead code that must be removed for flight certification.

Defense programs often rely on code that is decades old. TimeZero helps you modernize safely.

Legacy Modernization & Architecture Enforcement

DSM Visualization

We use Dependency Structure Matrix (DSM) technology to visualize hidden dependencies in legacy systems, highlighting violations where low-criticality code touches flight-critical functions.

Safe Refactoring

Our static analysis ensures that refactoring efforts do not introduce side effects, strictly enforcing MISRA C++ and JSF++ (Joint Strike Fighter) coding standards.

End-to-End Traceability

Ensure no requirement is left untested. TimeZero integrates seamlessly with Jama and CodeBeamer to link requirements, code, and test results automatically

Automated HARA & FMEA

Dynamically update Hazard Analysis and Risk Assessments as your system architecture evolves

Certification-Ready Artifacts

Generate the complete safety case documentation required by safety assessors
F-35 Use Case
UAM Use Case
UAV Use Case
legacy Use Case

Frequently asked questions

How does TimeZero handle the determinism required by DO-178C?

Unlike generative AI tools that "guess" code, TimeZero uses Symbolic Execution (Z3 Solvers) for its core verification logic. This provides a mathematical proof of the test path, ensuring the determinism required for DAL A certification. The LLM component is used only to assist the solver in decomposition, not to generate unverified logic.

Can this platform analyze classified or air-gapped code?

Yes. TimeZero supports On-Premise and Containerized (Docker) deployments. Your source code never needs to leave your secure facility. We can integrate with air-gapped Git/Jenkins instances to ensure full IP security and ITAR compliance.

Does TimeZero help with "Orphan Code"?

Absolutely. One of the primary requirements of DO-178C is verifying that all code traces back to a requirement. RaimaAI's Control Flow Analysis (CFA) identifies "unreachable" or "dead" code that is not executed during testing, allowing engineers to remove or document it before the audit.

Is TimeZero suitable for multi-core processor verification?

Yes. Our Data Flow Analysis and concurrency checks help identify race conditions and memory partitioning violations, which are critical safety concerns in modern multi-core avionics architectures.

Secure Your Certification Path. Reduce the cost of DO-178C compliance by up to 50%.

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