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This PR improves the integration of the CAD solver with the nl-ext solver in a simple way: we simply use a few of the simple linearization lemmas in combination with CAD by default, significantly improving the performance on QF_NRA.
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This moves regression test that exceed the time limit of their
respective level to the appropriate level. It further updates the
guidelines in the README with information on how to properly categorize
regression tests into levels (with time limits).
Note: Test regress3/issue4717.smt2 was previously unsolved (unknown) and
is now sat (Z3 agrees).
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This commit removes parser and printer support for old SMT-LIB standards and also converts all regression tests to 2.6.
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This adds a net +82 regressions to regress[0-2] and adds several additional disabled regressions to regress3 and regress4. This involved fixing the status on several regressions, and ensuring CMakeLists.txt includes all files (exactly once) in the test/regress/ subdirectory.
It also moves several regressions to the proper regression levels (those that take >30 seconds in debug are moved to regress3+).
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This renames api::Solver::checkValidAssuming to checkEntailed and
removes api::Solver::checkValid. Internally, SmtEngine::query is renamed
to SmtEngine::checkEntailed, and these changes are further propagated to
the Result class.
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This commit removes the SMT1 parser infrastructure and adds the SMT2 translations of the SMT1 regression tests. For now this commit removes regression test regress3/pp-regfile.smt since the SMT2 translation has a file size of 887M (vs. 172K for the SMT1 version).
Fixes #2948 and fixes #1313.
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Until now, regression tests were split across tens of different
Makefile.am, which required a lot of code duplication and does not
really seem to be in the spirit of automake. If we want to change the
LOG_COMPILER/LOG_DRIVER for example, we have to change every single
Makefile.am, which is cumbersome (I was able to get something
semi-working by exporting those variables but it didn't seem very
clean). Additionally, it made the output of the regression tests fairly
verbose and split the output across multiple log files. Finally
it also limited parallelism when running the regression tests (this fix lowers
the time it takes to run regression level 1 from 3m to 1m45s on my
machine with 16 threads).
This commit moves all the regression tests into
test/regress/Makefile.tests and changes test/regress/Makefile.am to deal
with this new structure. Finally, it changes how the test summary in
test/Makefile.am is produced: instead of relying on the log files for
the subdirectories, it greps for the test results in the log files of
the individual tests. Not the most elegant solution but we should
probably anyway delegate that task to a Python script at some point.
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