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Division by zero messages#1764

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sim642 merged 6 commits intogoblint:masterfrom
Robotechnic:division_by_zero_messages
Jun 25, 2025
Merged

Division by zero messages#1764
sim642 merged 6 commits intogoblint:masterfrom
Robotechnic:division_by_zero_messages

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I added error and warning messages for division-by-zero errors.

@sim642 sim642 added the feature label Jun 20, 2025
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sim642 commented Jun 25, 2025

The CI is failing with

Expected fail, but registered warn on divbyzero:10
	a /= 0; //FAIL
01/78 failed!

It probably just needs to be // WARN as well. I think the // FAIL annotation only concerns assertions according to the script.

@sim642 sim642 added this to the v2.6.0 milestone Jun 25, 2025
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I changed it

@sim642 sim642 merged commit ff6f52c into goblint:master Jun 25, 2025
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sim642 added a commit to sim642/opam-repository that referenced this pull request Sep 5, 2025
CHANGES:

* Add division by zero analysis (goblint/analyzer#1764).
* Add bitfield domain (goblint/analyzer#1623).
* Add weakly-relational C-2PO pointer analysis (goblint/analyzer#1485).
* Add widening delay (goblint/analyzer#1358, goblint/analyzer#1442, goblint/analyzer#1483).
* Add narrowing of globals to top-down solver (goblint/analyzer#1636).
* Add weak dependencies to top-down solver (goblint/analyzer#1746, goblint/analyzer#1747).
* Add YAML ghost witness generation (goblint/analyzer#1394).
* Remove GraphML witness generation (goblint/analyzer#1732, goblint/analyzer#1733, goblint/analyzer#1738).
* Use C standard option for preprocessing (goblint/analyzer#1807).
* Add bash completion for array options (goblint/analyzer#1670, goblint/analyzer#1705, goblint/analyzer#1750).
* Make `malloc(0)` semantics configurable (goblint/analyzer#1418, goblint/analyzer#1777).
* Update path-sensitive analyses (goblint/analyzer#1785, goblint/analyzer#1791, goblint/analyzer#1792).
* Fix evaluation of library function arguments (goblint/analyzer#1758, goblint/analyzer#1761).
* Optimize affine equalities analysis using sparse matrices (goblint/analyzer#1459, goblint/analyzer#1625).
* Prepare for parallelism (goblint/analyzer#1708, goblint/analyzer#1744, goblint/analyzer#1748, goblint/analyzer#1781, goblint/analyzer#1790).
sim642 added a commit that referenced this pull request Dec 3, 2025
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3 participants