diff options
| -rw-r--r-- | include/klee/Solver.h | 3 | ||||
| -rw-r--r-- | lib/Solver/Solver.cpp | 35 |
2 files changed, 38 insertions, 0 deletions
diff --git a/include/klee/Solver.h b/include/klee/Solver.h index b8324a9f..f1e18f12 100644 --- a/include/klee/Solver.h +++ b/include/klee/Solver.h @@ -213,6 +213,9 @@ namespace klee { /// after writing them to the given path in .pc format. Solver *createPCLoggingSolver(Solver *s, std::string path); + /// createDummySolver - Create a dummy solver implementation which always + /// fails. + Solver *createDummySolver(); } #endif diff --git a/lib/Solver/Solver.cpp b/lib/Solver/Solver.cpp index 936f252d..98dcad0b 100644 --- a/lib/Solver/Solver.cpp +++ b/lib/Solver/Solver.cpp @@ -375,6 +375,41 @@ Solver *klee::createValidatingSolver(Solver *s, Solver *oracle) { /***/ +class DummySolverImpl : public SolverImpl { +public: + DummySolverImpl() {} + + bool computeValidity(const Query&, Solver::Validity &result) { + ++stats::queries; + // FIXME: We should have stats::queriesFail; + return false; + } + bool computeTruth(const Query&, bool &isValid) { + ++stats::queries; + // FIXME: We should have stats::queriesFail; + return false; + } + bool computeValue(const Query&, ref<Expr> &result) { + ++stats::queries; + ++stats::queryCounterexamples; + return false; + } + bool computeInitialValues(const Query&, + const std::vector<const Array*> &objects, + std::vector< std::vector<unsigned char> > &values, + bool &hasSolution) { + ++stats::queries; + ++stats::queryCounterexamples; + return false; + } +}; + +Solver *klee::createDummySolver() { + return new Solver(new DummySolverImpl()); +} + +/***/ + class STPSolverImpl : public SolverImpl { private: /// The solver we are part of, for access to public information. |