{"id":631905,"date":"2020-01-21T01:50:53","date_gmt":"2020-01-21T09:50:53","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/?post_type=msr-research-item&#038;p=631905"},"modified":"2020-01-21T01:53:26","modified_gmt":"2020-01-21T09:53:26","slug":"active-learning-of-points-to-specifications","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/active-learning-of-points-to-specifications\/","title":{"rendered":"Active learning of points-to specifications"},"content":{"rendered":"<p>When analyzing programs, large libraries pose significant<br \/>\nchallenges to static points-to analysis. A popular solution<br \/>\nis to have a human analyst provide points-to specifications<br \/>\nthat summarize relevant behaviors of library code, which<br \/>\ncan substantially improve precision and handle missing code<br \/>\nsuch as native code. We propose Atlas, a tool that automatically infers points-to specifications. Atlas synthesizes unit<br \/>\ntests that exercise the library code, and then infers points-to<br \/>\nspecifications based on observations from these executions.<br \/>\nAtlas automatically infers specifications for the Java standard library, and produces better results for a client static<br \/>\ninformation flow analysis on a benchmark of 46 Android<br \/>\napps compared to using existing handwritten specifications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When analyzing programs, large libraries pose significant challenges to static points-to analysis. A popular solution is to have a human analyst provide points-to specifications that summarize relevant behaviors of library code, which can substantially improve precision and handle missing code such as native code. We propose Atlas, a tool that automatically infers points-to specifications. Atlas 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