MOP 2.2 Past Time Linear Temporal Logic with Calls and Returns (PTCaRet) Plugin
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(Note: PTCaRet logic plugin is experimental. It will be available for download soon.)
This page allows one to synthesize online monitors from past time linear temporal logic with call and return (ptCaRet). ptCaRet extends the past time linear temporal logic (PTLTL) with call/return atoms. In addition to the standard temporal operators, it also includes abstract variants of past temporal operators, which can express properties over traces in which terminated function or procedure executions are abstracted away into a call and a corresponding return. This way, ptCaRet can express safety properties about procedural programs which cannot be expressed using conventional linear temporal logics. See links in the top-right box for details and syntax. Simply choose (and modify) one of the examples below from the list on the left, or write your own in the text box, then click Run. to see the result. If you find any bug or have any comment, please send us a message at firstname.lastname@example.org, or report it using BUGZILLA (account needed first time you use it, but it has several benefits).
Please press the Run button once and wait; it may take a few seconds to run PTCaRetPlugin2.2; the execution of PTCaRetPlugin2.2 using this web interface is limited to 2 minutes of CPU time and 500 MB of RAM.