Age | Commit message (Collapse) | Author |
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with a test case.
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This instrinsic detects whether the program is being executed
symbolically or concretely (i.e., using the libkleeRuntest library).
The intended usage (illustrated in the test program) is to
allow the test program to display the input values by invoking
any libraries it wants to.
This is especially valuable if you are constructing complex,
structured values and for languages like Rust (or C++) that have
rich libraries and print libraries.
For example, you might pick a symbolic value N with the
assumption "0 <= N < 10" and then pick N symbolic
values and write them to an array.
The resulting ktest file is a bit hard to understand compared with the
output of the standard print function in Rust/C++.
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FileCheck instead (FreeBSD tests on Travis CI fail otherwise)
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don't need POSIX support to run.
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Otherwise optimizations done in klee won't have any effect.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
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klee_make_symbolic. Changed a test case to check this feature.
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options. Make klee_abort() call abort() in replay, and removed trivial test which cannot be easily integrated into the test suite.
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corresponding tests
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Previously error messages would be emitted but execution would continue
which might not be desirable.
Now a wrapper function (for fprintf) `report_internal_error()` is used
which will cause the program to exit. The older behaviour of continuing
to execute after an error can be achieved by setting a new environment
variable `KLEE_RUN_TEST_ERRORS_NON_FATAL`.
This commit also adds a test for each error case.
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If KLEE generates ktest files with `--posix-runtime` then if replaying
using libkleeRuntest then replay would be incorrect because the
`model_version` object would be unintentionally used during replay.
For now just skip over that object and try the next one.
Also emit a warning if the object names don't match.
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test is marked XFAIL because there is a bug in the implementation
of `libkleeRuntest`.
Quite a few changes had to be made to the lit configuration in
order to support these tests.
To run the tests I had to fix #480 for the autoconf/Makefile build
system otherwise the `libkleeRuntest` library would not be found
by the system linker at runtime.
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