Handle escaping in varEq analysis
#984
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sim642
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CHANGES: * Add `setjmp`/`longjmp` analysis (goblint/analyzer#887, goblint/analyzer#970, goblint/analyzer#1015, goblint/analyzer#1019). * Refactor race analysis to lazy distribution (goblint/analyzer#1084, goblint/analyzer#1089, goblint/analyzer#1136, goblint/analyzer#1016). * Add thread-unsafe library function call analysis (goblint/analyzer#723, goblint/analyzer#1082). * Add mutex type analysis and mutex API analysis (goblint/analyzer#800, goblint/analyzer#839, goblint/analyzer#1073). * Add interval set domain and string literals domain (goblint/analyzer#901, goblint/analyzer#966, goblint/analyzer#994, goblint/analyzer#1048). * Add affine equalities analysis (goblint/analyzer#592). * Add use-after-free analysis (goblint/analyzer#1050, goblint/analyzer#1114). * Add dead code elimination transformation (goblint/analyzer#850, goblint/analyzer#979). * Add taint analysis for partial contexts (goblint/analyzer#553, goblint/analyzer#952). * Add YAML witness validation via unassume (goblint/analyzer#796, goblint/analyzer#977, goblint/analyzer#1044, goblint/analyzer#1045, goblint/analyzer#1124). * Add incremental analysis rename detection (goblint/analyzer#774, goblint/analyzer#777). * Fix address sets unsoundness (goblint/analyzer#822, goblint/analyzer#967, goblint/analyzer#564, goblint/analyzer#1032, goblint/analyzer#998, goblint/analyzer#1031). * Fix thread escape analysis unsoundness (goblint/analyzer#939, goblint/analyzer#984, goblint/analyzer#1074, goblint/analyzer#1078). * Fix many incremental analysis issues (goblint/analyzer#627, goblint/analyzer#836, goblint/analyzer#835, goblint/analyzer#841, goblint/analyzer#932, goblint/analyzer#678, goblint/analyzer#942, goblint/analyzer#949, goblint/analyzer#950, goblint/analyzer#957, goblint/analyzer#955, goblint/analyzer#954, goblint/analyzer#960, goblint/analyzer#959, goblint/analyzer#1004, goblint/analyzer#558, goblint/analyzer#1010, goblint/analyzer#1091). * Fix server mode for abstract debugging (goblint/analyzer#983, goblint/analyzer#990, goblint/analyzer#997, goblint/analyzer#1000, goblint/analyzer#1001, goblint/analyzer#1013, goblint/analyzer#1018, goblint/analyzer#1017, goblint/analyzer#1026, goblint/analyzer#1027). * Add documentation for configuration JSON schema and OCaml API (goblint/analyzer#999, goblint/analyzer#1054, goblint/analyzer#1055, goblint/analyzer#1053). * Add many library function specifications (goblint/analyzer#962, goblint/analyzer#996, goblint/analyzer#1028, goblint/analyzer#1079, goblint/analyzer#1121, goblint/analyzer#1135, goblint/analyzer#1138). * Add OCaml 5.0 support (goblint/analyzer#1003, goblint/analyzer#945, goblint/analyzer#1162).
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As identified by @FelixKrayer, the
varEqanalysis was unsound for multi-threaded code as it did not consider the possibility of variables escaping and effectively becoming globals. This PR remedies this issue in the obvious way.Closes #939