Introduce demand in constraint system#1746
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michael-schwarz merged 8 commits intogoblint:masterfrom May 19, 2025
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When td3 is adapted, we can remove some of these
sim642
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Co-authored-by: Michael Schwarz <michael.schwarz93@gmail.com>
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sim642
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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).
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This implements #1743 following #1745 .
The focus is on the constraint systems here. Another PR should follow for renaming and possibly simplifying the lifters. When td3 is able to handle
demand, some lifters can be removed.