Safety Case Plan Generator
Answer a questionnaire about your project and a deterministic engine builds a complete, ASIL-tailored safety case plan: work products by phase, tailored methods, confirmation measures, a project timeline, gap tracking, and a GSN argument skeleton. Same answers, same plan, every time.
Planning a safety case by hand
You cross-reference six parts of the standard to figure out which work products your ASIL actually requires.
Tailoring methods to ASIL means re-reading the recommendation tables for every technique.
You lose track of which artifacts you already have and which are still missing or blocked.
The plan, the timeline, and the safety argument live in separate documents and drift apart.
What the generator does instead
A rule engine selects the applicable work products for your exact product type, ASIL, and phase.
Methods arrive pre-tailored, with recommendation strength shown per ASIL level.
Your artifact inventory becomes a live gap status, so missing and blocked items surface immediately.
The plan and the GSN argument are generated together from one set of answers, so they stay in sync.
Answer the questionnaire
Ten categories describe your project. Pick a quick-start variant to scope it, and drafts auto-save so you can leave and resume. Some questions appear only when earlier answers make them relevant.
Basic
FastestThe essentials: product, ASIL, phase, and safety requirements.
Automotive
Most completeThe full questionnaire across all ten categories.
Software
SW teamsSoftware-focused, with the software-specific technical questions.
A deterministic pipeline, not a black box
Your answers run through ten ordered steps against versioned catalogs of 73 work products, 84 methods, and the selection rules that connect them. Nothing is sampled or guessed, so the same inputs always produce the same plan, and every recommendation carries a rule trace and an ISO reference.
Validate input
Check that the project context from your answers is complete and consistent.
Finalize context
Derive what the project needs, including confirmation measure obligations.
Resolve ASIL state
Determine the effective ASIL and mode (confirmed, assumed, TBD, or mixed).
Select work products
Run the rule engine to pick applicable work products from the catalog.
Select methods
Filter methods by ASIL, product type, and target artifacts.
Expand dependencies
Pull in prerequisite work products so nothing is left dangling.
Apply your inventory
Map the artifacts you already have to a gap status.
Compute priorities
Bucket every item as now, next, later, or blocked.
Attach guidance
Add engineer-facing explanations and learning links per item.
Build timeline
Lay out phases, quality gates, iterations, and change-request impact.
Everything the plan gives you
Twelve generated sections, all tailored to your project parameters and traceable to the rules and ISO clauses behind them.
Work products by phase
Every applicable work product across concept, system, hardware, software, integration, and production, each with priority, gap status, prerequisites, minimum contents, done-when criteria, and ISO reference.
Methods tailored to your ASIL
Verification and validation methods filtered to your ASIL and product type, with recommendation strength per level (++ recommended, + optional, o consider) and the artifacts each one supports.
Confirmation measures
The confirmation reviews, functional safety audit, and functional safety assessment your ASIL demands, with timing, who performs them, and the required independence level.
ASIL decomposition analysis
Whether decomposition applies, common patterns such as ASIL D to C(D) plus A(D), a mixed-element mapping table, and the verification actions decomposition triggers.
Hardware safety metrics
Single-point and latent fault metric targets and PMHF budget for your ASIL, with FMEDA guidance and the work products that produce the evidence.
Software verification
Required structural coverage levels, coding guideline expectations, and unit and integration test methods with independence requirements.
Gap analysis
A running count of applicable work products by status (completed, in progress, missing, blocked, not applicable) so you always know where you stand.
Project timeline
A Gantt timeline with a swim lane per phase, quality gates, draggable bars, iteration support, and change-request impact analysis.
Top next actions
A priority-ordered list of what to do now, with prerequisite blocking made explicit so you tackle work in a buildable order.
Learning links
Each work product and phase links to the concept pages, guides, simulators, and exams that teach the underlying technique.
GSN safety case skeleton
A Goal Structuring Notation argument tree and document outline with claim status, wired to the work products that supply each piece of evidence.
Export
Export the full plan as Markdown for distribution or JSON for programmatic use. Both carry the catalog versions used to generate them.
The plan and the argument, generated together
Switch between the implementation roadmap and the safety argument. Because both come from the same answers, the evidence the argument needs is exactly the work the plan tells you to do.
Plan view
RoadmapWhat to produce, in what order, tailored to your ASIL.
- Work products bucketed now / next / later / blocked
- Methods with ++ / + / o strength per ASIL
- Confirmation measures, decomposition, HW and SW requirements
- Timeline, gap analysis, and prioritized next actions
Safety case view
GSN skeletonSee what your plan produces
Interactive, adjustable outputs generated from your questionnaire answers.
Interactive project timeline
Gap analysis
25% complete, 37.5% in progress, 37.5% remaining
Methods tailored to your ASIL
Confirmation measures
ASIL DIndependence level shown per measure. Lower ASILs relax these.
ASIL decomposition
- •Elements must be sufficiently independent
- •Decomposition recorded against each element
- •Verification of freedom from interference
Hardware safety metrics
FMEDATargets shown for ASIL D. The plan links the work products that produce the evidence.
Software verification
Illustrative examples. Actual outputs are generated dynamically from your project inputs.
Track it, compare it, reuse it
A plan is not a one-shot document. Update it as work lands, run what-if scenarios, and keep a history of every attempt.
Live gap tracking
Set each work product to in progress, completed, missing, blocked, or not applicable, and attach notes, evidence, or action items.
Change ASIL on the fly
Switch the ASIL and regenerate to see how the work product list, methods, and confirmation measures shift.
Compare two attempts
Side-by-side diff of ASIL changes, added and removed work products, method differences, and gap status changes.
History and analytics
Every attempt is saved, with ASIL and product type distributions and completion trends across your projects.
Versioned and traceable
Each attempt records the catalog versions and full structured result, with rule trace IDs and ISO references on every item.
Export anywhere
Markdown for a distributable document, JSON for your own tooling. The export carries the versions it was built from.
Frequently Asked Questions
Common questions about the Safety Case Plan Generator
Ready to plan your safety case?
The Safety Case Plan Generator is available on the Expert plan. Start with a free account to explore the platform first.
The free plan includes a full concept guide, 3 work product templates, 1 guided process, the Markov simulator, and 5 practice exams per month. No credit card required.