2.8.0 Clumsy Clurichaun

CHANGES:

• Add new may-happen-in-parallel analyses (#1805, #1865, #1913, #1928).
• Add Open Verification Dashboard checks output (#1838, #1929).
• Add negative bitwise shift warnings (#1637, #1989).
• Add missing function declaration warnings (#1911).
• Improve overflow warnings (#1894, #1895, #1896, #1905).
• Fix spurious overflow checks (#1767, #1909, #1910, #1932, #2022).
• Fix missing overflow and out-of-bounds checks (#1935, #2017, #2029).
• Optimize base analysis domain using Patricia trees (#2002, #2015).
• Optimize field offset calculations (#1964, #1973, #1974).
• Optimize non-incremental top-down solver (#1566, #1972).
• Add OCaml 5.5 support (#2006, #2010).

FM 2026 tutorial

fm26-tutorial

Install test dependencies in devcontainer

Goblitch SV-COMP 2026

Goblitch (Goblint + Witch) for SV-COMP 2026.

The verifier archive containing the Ubuntu 24.04 binary and auxiliary files is attached below.

2.7.1 Bamboozled Buffalo

CHANGES:

• Add library function specifications for fortified inet_pton and inet_ntop (#1883).

2.7.0 Bamboozled Buffalo

CHANGES:

Functionally equivalent to Goblint in SV-COMP 2026.

• Add sequential portfolio for SV-COMP (#1845, #1867, #1877).
• Add struct bitfield support (#1739, #1823).
• Improve bitwise operations for integer domains (#1739).
• Reimplement HTML output in OCaml (#1752).
• Remove YAML witness version 0.1 support (#1812, #1817, #1852, #1853, #1855).
• Fix incorrect invariants in witnesses (#1818, #1876).
• Simplify relational invariants in witnesses (#1826, #1871, #1873).
• Fix argument types in Goblint stubs (#1684, #1814, #1779, #1820).

SV-COMP 2026

Goblint version tags/svcomp26-0-gbb55b70d9 for SV-COMP 2026.

The verifier archive containing the Ubuntu 24.04 binary and auxiliary files is attached below.

VMCAI 2026 artifact

Goblint version in the artifact for the VMCAI 2026 paper "Data Race Detection by Digest-Driven Abstract Interpretation".

2.6.0 Awkward Aardvark

CHANGES:

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

2.5.0

CHANGES:

Functionally equivalent to Goblint in SV-COMP 2025.

• Add 32bit vs 64bit architecture support (#54, #1574).
• Add per-function context gas analysis (#1569, #1570, #1598).
• Adapt automatic static loop unrolling (#1516, #1582, #1583, #1584, #1590, #1595, #1599).
• Adapt automatic configuration tuning (#1450, #1612, #1181, #1604).
• Simplify non-relational integer invariants in witnesses (#1517).
• Fix excessive hash collisions (#1594, #1602).
• Clean up various code (#1095, #1523, #1554, #1575, #1588, #1597, #1614).

VMCAI 2025 artifact

Goblint version in the artifact for the VMCAI 2025 paper "Correctness Witnesses for Concurrent Programs: Bridging the Semantic Divide with Ghosts".