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Skype Meeting 06092016 » History » Version 21

Sepideh Asadi, 07/09/2016 15:49

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h1. Skype Meeting 06092016
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*Generally discussed in the meeting*
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- Benchmarks
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- Testing of last changes in opensmt
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- Refinement
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- UF encoding
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- Cprover upgrade
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*Updates of current tasks:*
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Antti: works on incrementality- added some bugs to Issue-tracking
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Karine: is working on new version of CBMC- and refinement.
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Sepideh: is doing experiments on FF-HF-CBMC
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sepideh has found some benchmarks that CBMC gets out of memory, but HiFrog and Funfrog managed to do verification very quickly.
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Benchmarks: EvenOdd.c, Arith.c, in recursion directory
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reports some bugs: rec4.c  in 17_recursion which HIfrog failed with this error:; Error: Clause has no color (triggered at PGInterAux.C, 218)
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*Things we agreed to do this week:*
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Antti: Uploaded the benchmark of Milano guys, FABRIZIO PASTORE,(also will upload more)
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continuing work on incrementality on OpenSMT2
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Karine:
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1. Upload some of SIR benchmarks
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2. Refinement - checking + reporting bugs
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3. Continue update cprover/cbmc 5.5
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4. Generally check hifrog with LRA after the last changes in opensmt
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   ==> There are some bugs, I added comments and will open a new ticket if needed
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5. Test refinement - #3488 issue number, several problems
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   ==> Added a comment with the smt encoding we are sending to the solver
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6. To check if it is the same ptref - check the field - PTRef::x
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   ==> Added it to the prints + some testing. Need to test it with the original benchmark that causes the bug
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7. Check the reason for improvement
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7.1 funfrog - hifrog check
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7.2 opensmt - opensmt2 check
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8. Open new branch EUF in two weeks + start working on UF encoding (Theory.h in opensmt).
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Sepideh:
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1) We need to know how consistent the results of experiment are, so Sepideh will prepare Scatter plot, and compare the results.
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2) she will do experiment on Milano guys' benchmark.
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3) Doing new experiments: compare total time for some benchmarks in both incremental and non-incremental on propositional OpenSMT2 
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We need to have proper benchmark for interpolation.