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Verification tools for Simulink & Stateflow

Cleaner Simulink models.
Unit tests that pass.

Two qualifiable tools for model-based development: EverCheck finds and fixes what's wrong in your models, EverTest proves your units behave — from model to generated code.

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EverTest verification of a Simulink model

EVERBITS · CHECK · TEST · REVIEW

MATLAB & Simulink Partner
Two tools, one workflow

Static analysis and dynamic verification

Use them together or on their own. Both run inside your existing MATLAB environment and both are qualifiable for safety-related development.

Static Model Analysis

EverCheck

Check your Simulink, Stateflow and TargetLink models against safety modeling guidelines — and correct them automatically. Cleaner models, fewer surprises downstream.

  • Automated model correction against safety guidelines
  • Exclusions stored in the model itself, by System ID (SID)
  • Verification reports with check results and exclusions
  • Includes EverView® — model review in any browser

From 1,000 € / year per userSee pricing →

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Dynamic Model & Code Verification

EverTest

Generate a test harness for any subsystem, define test cases in Excel, and run them across MIL, SIL and PIL. Back-to-back comparison and structural coverage, one workflow.

From 2,000 € / year per userSee pricing →

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How it works

From your existing model to a clean, verified, review-ready unit

Four steps take one of your own Simulink units from install to an audit-ready result: download EverCheck and EverTest into MATLAB, baseline the unit as it stands, clean it up against your guidelines, then verify behavior with a shareable report — no scripting required.

01
Minutes, not days

Download and install

One installer, no server, no admin project. EverCheck and EverTest run inside your existing MATLAB on Windows — download, install, activate the trial license, done.

02
Your model, not a demo

Pick one of your own units and test it as it is

Generate a test harness with EverTest for the unit exactly as it stands today — inputs, outputs, parameters and data types are detected automatically. Define your test cases in Excel and capture the current behavior as your regression baseline. No scripting required.

03
Clean up safely

Check and correct the unit

Run EverCheck against your safety modeling guidelines. Violations are flagged and many are corrected automatically — refactor with the baseline already in place, so you are never guessing what a change did.

04
Prove nothing broke

Re-run the same tests

Execute the same test cases against the corrected unit. Passing means the clean-up preserved behavior — the model is now clean and provably correct. Results, coverage and traceability merge into one self-contained HTML report.

05
Ready for the team

Share it for review

Generate an EverView file — the whole model as a single HTML page anyone can open in a browser, no MATLAB license needed. The unit is clean, verified and documented, so the review is about the design, not about chasing guideline findings.

The best evaluation is your own project: one unit, one afternoon, clean and verified.

See the full safe MBD workflow.

The ISO 26262 V-model with EverCheck, EverTest and EverView mapped to each stage ARCHITECTURE UNIT DESIGN CLAUSE 7 Architectural Design EverCheck CLAUSE 8 Unit Design & Implementation EverCheck CLAUSE 9 Unit Verification EverTest CLAUSE 10 Integration & Verification EverTest REVIEWS Independence I1 EverView Specification & Design (left arm) Verification & Integration (right arm) Verification reviews (I1)
Free Training on Model-Based Design →
When the stakes are high

Your assessor will ask. You will have the answer.

Qualification is your obligation, not ours — so we do the part we can. Every installation ships with a safety manual assessed by TÜV SÜD (TCL 3) and a complete qualification kit: the use cases, the error conditions, the mitigations, the test evidence, and the validation tests. The effort on your side stays small.

ISO 26262 Qualification Kit
How tool qualification works →
Success story

From model to safety-compliant C code

Safety-critical application

Closed verification gap

Replacing a multi-step PLC Coder workflow with single-step C code generation using Embedded Coder, the models were first checked and corrected with EverCheck — clean and guideline-compliant before code generation started. Existing MIL test cases were reused to verify the model adaptations, and the production C code was integrated as a Simulink variant, so the same EverTest harness covered both model and code — no separate SIL toolchain.

Read the full story →
Why EverBits

Engineers who use their own tools

20+ years In safety-critical model-based development
TÜV SÜD Certified functional safety professional
Support Your email reaches a responsible developer
Get started

Download your free trial

Free for 30 days, all features unlocked, in your own MATLAB environment. The same install workflow applies to both tools.

EverCheck

Static model analysis and correction

⬇ Download EverCheck

EverTest

Dynamic verification & MIL/SIL/PIL testing

⬇ Download EverTest

Windows 10 or later · MATLAB R2018a or later

Video Walkthrough

What Happens
After Download

Run the installer, activate your trial license, and start with your own model — the whole process, step by step.

Install & Activate in Minutes

From installer to activated trial license — ready to check and test your own model.

Continue with the free training →
Before you ask

Frequently asked questions

EverCheck and EverTest run on Windows 10 or later with MATLAB R2018a or later — inside your existing MATLAB environment, no separate platform.
The trial runs for 30 days with all features unlocked — you get the full tools, including harness generation, MIL/SIL/PIL testing, reporting and EverView.
Yes — that's the point. Generate a harness for one of your own subsystems, run your own test cases and generate a verification report from your real project. That's the best evaluation you can do.
You need your own valid MATLAB and Simulink licenses. For structural coverage measurement, EverTest uses your Simulink Coverage license.
Both tools ship with a safety manual assessed by TÜV SÜD (TCL 3) and a qualification kit, minimizing the tool-qualification effort on your side. Read how tool qualification works →
Questions?

Talk to the people who build the tools

Not sure which tool fits your project, or how qualification works for your ASIL level? Write to us — you'll reach an engineer, not a sales desk.

⬇ Download Free Trial

Or write to us at support@everbits.com