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sav07_lecture_13_skeleton [2007/05/02 10:20] vkuncak |
sav07_lecture_13_skeleton [2007/05/02 15:18] vkuncak |
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| * counterexample-driven refinement | * counterexample-driven refinement | ||
| + | Today: abstraction | ||
| ==== Abstraction ==== | ==== Abstraction ==== | ||
| + | |||
| + | Main readings: | ||
| + | * [[http://www-verimag.imag.fr/~graf/biblio.php?view=full#GrafSaidi97|Construction of abstract state graphs with PVS]] | ||
| + | * [[http://www.mpi-sb.mpg.de/~podelski/papers/cartesian.ps|Boolean and Cartesian Abstraction for Model Checking C Programs, Thomas Ball, Andreas Podelski, Sriram K. Rajamani. TACAS 2001: 268-283 (paper in .PS format)]] | ||
| + | * [[http://doi.acm.org/10.1145/378795.378846|Automatic Predicate Abstraction of C Programs, Thomas Ball, Rupak Majumdar, Todd D. Millstein, Sriram K. Rajamani. PLDI 2001: 203-213]] | ||
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| Design space of abstractions: | Design space of abstractions: | ||
| Line 30: | Line 37: | ||
| * distributing approximation through logical operations | * distributing approximation through logical operations | ||
| - | ==== Model checking ==== | ||
| - | |||
| - | Finite state space for now. | ||
| - | |||
| - | Bounded model checking for finite diameter systems. | ||
| - | |||
| - | BDDs: http://www.cs.cmu.edu/~bryant/pubdir/ieeetc86.pdf | ||
| - | |||
| - | ==== Counterexample-driven refinement ==== | ||
| - | |||
| - | Heuristic refinement | ||
| - | * expressions in branches | ||
| - | * adding weakest preconditions | ||
| - | * Craig's interpolation | ||