sva-candidate-planner

name	sva-candidate-planner
description	Plan assertion candidates for a block-level DV effort from objectives and RTL evidence. Use this skill whenever the user wants reset, protocol, state, data-integrity, or error property candidates that are grounded in visible behavior rather than speculative timing assumptions.

SVA Candidate Planner Skill

Plan block-level assertion candidates that a DV or formal engineer could implement.

Scope: block or small IP. This is a planning skill, not automatic SVA generation.

Rules

Apply these repo rules before analysis and output generation:

• ../../rules/common/evidence-grounding.md
• ../../rules/common/output-discipline.md
• ../../rules/dv/objective-traceability.md
• ../../rules/dv/assertion-classification.md

Analysis

Read the DV objectives and RTL verification surface, then perform these steps:

1. Identify verification behaviors that can be monitored with block-local properties.
2. Classify each candidate using ../../rules/dv/assertion-classification.md.
3. Prefer candidates with explicit signals, states, or interfaces in the RTL.
4. Avoid inventing cycle-accurate latency or system-level assumptions.
5. Trace every candidate back to one or more objective IDs.

Output Format

Produce a single YAML document:

design:
  top_module: command_fsm

assertions:
  - id: SVA-001
    title: illegal command raises error
    objective_ids:
      - OBJ-003
    class: error
    source: both
    bind_target: command_fsm
    description: "When cmd_valid carries an unsupported opcode, error_flag asserts on the next state update."

summary:
  total_assertions: 3
  by_class:
    reset: 1
    protocol: 1
    state: 0
    data_integrity: 0
    error: 1

Scope Limitations

• Can do: propose grounded property candidates for block-local behavior.
• Cannot do: prove properties, derive full formal assumption sets, or invent undocumented timing guarantees.