Filter non-racing accesses of racing variable#550
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Umm... what?! Why did pushing a9e03d8 to Whatever, if there's a problem with this, we can still discuss it here and fix it directly on master. |
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I was also surprised why you'd request a review and then merge it immediately 😉 The only question is whether we may want to explicitly mention somewhere in the output that we only print accesses potentially involved in a race? |
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I think it's fine not to, especially since the old behavior was more confusing: the race warning listed accesses that didn't actually race with anything and there was no mention of that. Also, with |
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CHANGES: Goblint "lean" release after a lot of cleanup. * Remove unmaintained analyses: OSEK, ARINC, shapes, containment, deadlocksByRaces (goblint/analyzer#460, goblint/analyzer#736, goblint/analyzer#812, goblint/analyzer#474). * Add interactive analysis (goblint/analyzer#391). * Add server mode (goblint/analyzer#522). * Add Compilation Database support (goblint/analyzer#406, goblint/analyzer#448). * Add floating point domain, unrolled array domain and improved struct domains (goblint/analyzer#734, goblint/analyzer#761, goblint/analyzer#577, goblint/analyzer#419). * Add static loop unrolling and heap variable unrolling (goblint/analyzer#563, goblint/analyzer#722). * Improve race detection with may-happen-in-parallel analysis (goblint/analyzer#529, goblint/analyzer#518, goblint/analyzer#595). * Reimplement lockset and deadlock analyses (goblint/analyzer#659, goblint/analyzer#662, goblint/analyzer#650, goblint/analyzer#655). * Add pthread extraction to Promela (goblint/analyzer#220). * Add location spans to output (goblint/analyzer#428, goblint/analyzer#449). * Improve race reporting (goblint/analyzer#550, goblint/analyzer#551). * Improve dead code reporting (goblint/analyzer#94, goblint/analyzer#353, goblint/analyzer#785). * Refactor warnings (goblint/analyzer#55, goblint/analyzer#783). * Add JSON schema for configuration (goblint/analyzer#476, goblint/analyzer#499). * Refactor option names (goblint/analyzer#28, goblint/analyzer#192, goblint/analyzer#516, goblint/analyzer#675). * Add bash completion (goblint/analyzer#669). * Add OCaml 4.13 and 4.14 support, remove OCaml 4.09 support (goblint/analyzer#503, goblint/analyzer#672).
sim642
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Aug 18, 2022
CHANGES: Goblint "lean" release after a lot of cleanup. * Remove unmaintained analyses: OSEK, ARINC, shapes, containment, deadlocksByRaces (goblint/analyzer#460, goblint/analyzer#736, goblint/analyzer#812, goblint/analyzer#474). * Add interactive analysis (goblint/analyzer#391). * Add server mode (goblint/analyzer#522). * Add Compilation Database support (goblint/analyzer#406, goblint/analyzer#448). * Add floating point domain, unrolled array domain and improved struct domains (goblint/analyzer#734, goblint/analyzer#761, goblint/analyzer#577, goblint/analyzer#419). * Add static loop unrolling and heap variable unrolling (goblint/analyzer#563, goblint/analyzer#722). * Improve race detection with may-happen-in-parallel analysis (goblint/analyzer#529, goblint/analyzer#518, goblint/analyzer#595). * Reimplement lockset and deadlock analyses (goblint/analyzer#659, goblint/analyzer#662, goblint/analyzer#650, goblint/analyzer#655). * Add pthread extraction to Promela (goblint/analyzer#220). * Add location spans to output (goblint/analyzer#428, goblint/analyzer#449). * Improve race reporting (goblint/analyzer#550, goblint/analyzer#551). * Improve dead code reporting (goblint/analyzer#94, goblint/analyzer#353, goblint/analyzer#785). * Refactor warnings (goblint/analyzer#55, goblint/analyzer#783). * Add JSON schema for configuration (goblint/analyzer#476, goblint/analyzer#499). * Refactor option names (goblint/analyzer#28, goblint/analyzer#192, goblint/analyzer#516, goblint/analyzer#675). * Add bash completion (goblint/analyzer#669). * Add OCaml 4.13 and 4.14 support, remove OCaml 4.09 support (goblint/analyzer#503, goblint/analyzer#672).
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Previously, if we determined a variable to have racing accesses, then we printed all of its accesses. This is excessive since there might be accesses that don't race with any other.
This PR filters the accesses of a racing variable to only contain those that actually race with another access to it. This is now possible due to the pairwise may-race checking and avoids some spurious warnings.