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//===-- TimingSolver.h ------------------------------------------*- C++ -*-===//
//
// The KLEE Symbolic Virtual Machine
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef KLEE_TIMINGSOLVER_H
#define KLEE_TIMINGSOLVER_H
#include "klee/Expr/Constraints.h"
#include "klee/Expr/Expr.h"
#include "klee/Solver/Solver.h"
#include "klee/System/Time.h"
#include <memory>
#include <utility>
#include <vector>
namespace klee {
class ConstraintSet;
class Solver;
/// TimingSolver - A simple class which wraps a solver and handles
/// tracking the statistics that we care about.
class TimingSolver {
public:
std::unique_ptr<Solver> solver;
bool simplifyExprs;
public:
/// TimingSolver - Construct a new timing solver.
///
/// \param _simplifyExprs - Whether expressions should be
/// simplified (via the constraint manager interface) prior to
/// querying.
TimingSolver(std::unique_ptr<Solver> solver, bool simplifyExprs = true)
: solver(std::move(solver)), simplifyExprs(simplifyExprs) {}
void setTimeout(time::Span t) { solver->setCoreSolverTimeout(t); }
char *getConstraintLog(const Query &query) {
return solver->getConstraintLog(query);
}
bool evaluate(const ConstraintSet &, ref<Expr>, Solver::Validity &result,
SolverQueryMetaData &metaData);
bool mustBeTrue(const ConstraintSet &, ref<Expr>, bool &result,
SolverQueryMetaData &metaData);
bool mustBeFalse(const ConstraintSet &, ref<Expr>, bool &result,
SolverQueryMetaData &metaData);
bool mayBeTrue(const ConstraintSet &, ref<Expr>, bool &result,
SolverQueryMetaData &metaData);
bool mayBeFalse(const ConstraintSet &, ref<Expr>, bool &result,
SolverQueryMetaData &metaData);
bool getValue(const ConstraintSet &, ref<Expr> expr,
ref<ConstantExpr> &result, SolverQueryMetaData &metaData);
bool getInitialValues(const ConstraintSet &,
const std::vector<const Array *> &objects,
std::vector<std::vector<unsigned char>> &result,
SolverQueryMetaData &metaData);
std::pair<ref<Expr>, ref<Expr>> getRange(const ConstraintSet &,
ref<Expr> query,
SolverQueryMetaData &metaData);
};
}
#endif /* KLEE_TIMINGSOLVER_H */
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