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path: root/lib/Solver/CexCachingSolver.cpp
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2015-07-06Make the super-set check in CexCachingSolver default offEric Rizzi
The super-set check in the CexCachingSolver takes MUCH longer than the sub-set check. Upon closer inspection, the super-set check gets slower and slower as more counterexamples fill the UBTree. Pretty quickly, the cost of the super-set check becomes larger than the time required to simply bypass it and go to the Solver.
2013-08-06Methods getConstraintLog() and setTimeout() made virtual and moved from ↵Hristina Palikareva
STPSolver to base Solver and SolverImpl classes, and consequently redefined in derived classes to call the corresponding methods down the solver chain. Method setTimeout() renamed to setCoreSolverTimeout().
2013-08-06Renaming solver-related command-line options in order to decouple them from ↵Hristina Palikareva
STP. More specifically, command-line options max-stp-time, use-forked-stp and stp-optimize-divides renamed to max-solver-time, use-forked-solver and solver-optimize-divides, respectively. Option of running the SMT solver in a separate process (i.e. forked) set to true by default. Options of running SMT solver forked and with optimized divides made available to Kleaver as well.
2013-07-11Fixed and improved the stats on (cex)cache hits and misses.Cristian Cadar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@186097 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02Patch by Tomasz Kuchta adding more detailed information on query failures.Cristian Cadar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@171391 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02Patch by Tomasz Kuchta adding a new option (min-query-time-to-log) that ↵Cristian Cadar
enables KLEE to log only the queries exceeding a certain duration, or only those that time out. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@171385 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17Simplify some code, and add more comments.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@76152 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17Add some comments for CexCachingSolver::searchForAssignment.Daniel Dunbar
- No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@76148 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-10Replaced createNot() by createIsZero() and "Not" macro by "Nz". Cristian Cadar
Not will become bitwise not. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@75224 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14Add several ConstantExpr utility functions and move clients over.Daniel Dunbar
- Reducing uses of getConstantValue() so we can move to arbitrary precision constants. - No (intended) functionality change. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@73324 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-04Sink getConstantValue into ConstantExpr.Daniel Dunbar
- Propogate ConstantExpr to various places, or cast as appropriate. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72862 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-04Finish removing uses of Expr::isConstant.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72859 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-04Start removing uses of Expr::isConstant.Daniel Dunbar
- These should use cast<>, isa<>, or dyn_cast<> as appropriate (or better yet, changed to use ref<ConstantExpr> when the type is known). git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72857 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-04Move isConstant from ref<> to Expr::Daniel Dunbar
- Ref.h is now freestanding. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72824 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-03Kill off specialized ref<> forwarding methods, in the interest of making it aDaniel Dunbar
more standard reference counting wrapper. - The only interesting changes here are in Ref.h, everything else is just updating foo.method to use foo->method instead. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72777 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-21Initial KLEE checkin.Daniel Dunbar
- Lots more tweaks, documentation, and web page content is needed, but this should compile & work on OS X & Linux. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72205 91177308-0d34-0410-b5e6-96231b3b80d8
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