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Fixed Segfault when failing to load datalog file #1613

merged 1 commit into from May 8, 2018


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corrodedHash commented May 8, 2018

my faculty is currently working on symbolic execution of C++ code using KLEE.
Z3 turned out to be a good test subject for our implementation, because z3 does not have many external dependencies.

Through testing we found this bug, which segfaults while loading a non-existent datalog file.

Reproduce using 'z3 A.dl', given A.dl is not in the current directory of course.

This bug was found using Symbolic Execution techniques developed in the course of the SYMBIOSYS research project at COMSYS, RWTH Aachen University. This research is supported by the European Research Council (ERC) under the EU's Horizon 2020 Research and Innovation Programme grant agreement n. 647295 (SYMBIOSYS).

@corrodedHash corrodedHash reopened this May 8, 2018

@NikolajBjorner NikolajBjorner merged commit 53976d0 into Z3Prover:master May 8, 2018

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