Individual skill
minimize-modelica-bug
Reduce a Modelica model that triggers a System Modeler compiler failure (an internal error, generated code that fails to compile, a simulator internal error or a kernel crash) to the smallest model that still fails the same way, and prepare a bug report for Wolfram support. Use this skill whenever the launcher prints a `=== compiler failure ===` block or reports a `compiler_failure`, or the user mentions an 'internal error', 'Fatal failure', 'the compiler crashed', 'generated code failed to compile', 'report this bug to Wolfram', 'make a minimal example' or 'reduce this model for a bug report'. It applies just as much when the failure turns up mid-task in a model you wrote yourself: a compiler failure is a fault in System Modeler, not something to work around silently.
minimize-modelica-bug/SKILL.md
Source commit af6615a05ab455d4fb85b45f29343835f61a08c7
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- Last checked
- Nov 7, 2026
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- Repository stars (not skill ratings)
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- Repository last updated
- Nov 6, 2026
- License
- MIT
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- agent-skills Repository topic
- modelica Repository topic
- wolfram Repository topic
- wolfram-language Repository topic
- system-modeler Repository topic
- engineering Derived category
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Read excerpt
# Minimize a Modelica Compiler Bug
A *compiler failure* is a fault in System Modeler itself rather than in the
model. Examples are an `Internal error`, generated code that does not compile,
and a simulator that stops with an internal error. This skill shrinks the
failing model to the smallest one that still fails with the same message, and
writes a short report the user can send to Wolfram support. A small
reproduction gets a bug fixed; a 5,000-line proprietary model usually does not.
Ordinary model errors are not compiler failures: type, lookup and balance errors,
failed assertions, or a solver giving up. Fix those in the model instead, using
`validate-modelica` or `diagnose-modelica`.
## Before you run anything