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Jules Villard 4410e9ab79 [pulse] avoid some FPs due to incompleteness in the arihtmetic engine ... Summary: Before, atoms we didn't understand but could be a contradiction became "true" if they were only about dead variables. This is unsound for incorrectness logic, and introduces false positives. Be more conservative and try to identify when that could happen and prune these paths instead, thus regaining under-approximation. This is a bit ad-hoc: we expect reasoning on equalities and disequalities to be precise enough, but we know that inequalities have very little solving power at the moment (eg we don't detect `x < 0, x > 0 => false`). In addition, we remark that having *one* `<` atom can never be a contradiction. So, we claim a possible contradiction whenever we find *two* (>1) atoms containing inequalities and involving the same variable. Reviewed By: skcho Differential Revision: D29232544 fbshipit-source-id: ff91eb1e4		3 years ago
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infer-analyze.txt	[pulse] avoid some FPs due to incompleteness in the arihtmetic engine	3 years ago
infer-capture.txt	[buck][clang] config options	3 years ago
infer-compile.txt	[CLI] rename biabduction-specific option	4 years ago
infer-debug.txt	[debug/explore] add possibility to select "all"	4 years ago
infer-explore.txt	[CLI] rename biabduction-specific option	4 years ago
infer-full.txt	[pulse] avoid some FPs due to incompleteness in the arihtmetic engine	3 years ago
infer-help.txt	skeleton new `infer help` command	5 years ago
infer-report.txt	[erl-frontend] First Erlang test with warnings	3 years ago
infer-reportdiff.txt	[CLI] rename biabduction-specific option	4 years ago
infer-run.txt	[erl-frontend] Skeleton integration for Rebar3	4 years ago
infer.txt	[pulse] avoid some FPs due to incompleteness in the arihtmetic engine	3 years ago