Commit 341e484a authored by Cristian Cadar's avatar Cristian Cadar Committed by Daniel Liew
Browse files

Patch by Dan Liew: "Added support for generating .smt2 files when

writing out test cases (option --write-smt2s) in KLEE."

git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@166568 91177308-0d34-0410-b5e6-96231b3b80d8

Conflicts:

	lib/Core/Executor.cpp
	tools/klee/main.cpp
parent 5dc635bd
......@@ -58,6 +58,13 @@ public:
CheckDivZero(_CheckDivZero) {}
};
enum LogType
{
STP, //.CVC (STP's native language)
KQUERY, //.PC files (kQuery native language)
SMTLIB2 //.SMT2 files (SMTLIB version 2 files)
};
/// InterpreterOptions - Options varying the runtime behavior during
/// interpretation.
struct InterpreterOptions {
......@@ -132,7 +139,7 @@ public:
virtual void getConstraintLog(const ExecutionState &state,
std::string &res,
bool asCVC = false) = 0;
LogType logFormat = STP) = 0;
virtual bool getSymbolicSolution(const ExecutionState &state,
std::vector<
......
......@@ -43,6 +43,7 @@
#include "klee/TimerStatIncrementer.h"
#include "klee/util/Assignment.h"
#include "klee/util/ExprPPrinter.h"
#include "klee/util/ExprSMTLIBLetPrinter.h"
#include "klee/util/ExprUtil.h"
#include "klee/util/GetElementPtrTypeIterator.h"
#include "klee/Config/Version.h"
......@@ -3902,17 +3903,46 @@ unsigned Executor::getSymbolicPathStreamID(const ExecutionState &state) {
void Executor::getConstraintLog(const ExecutionState &state,
std::string &res,
bool asCVC) {
if (asCVC) {
Query query(state.constraints(), ConstantExpr::alloc(0, Expr::Bool));
char *log = solver->stpSolver->getConstraintLog(query);
res = std::string(log);
free(log);
} else {
std::ostringstream info;
ExprPPrinter::printConstraints(info, state.constraints());
res = info.str();
Interpreter::LogType logFormat) {
std::ostringstream info;
switch(logFormat)
{
case STP:
{
Query query(state.constraints(), ConstantExpr::alloc(0, Expr::Bool));
char *log = solver->stpSolver->getConstraintLog(query);
res = std::string(log);
free(log);
}
break;
case KQUERY:
{
std::ostringstream info;
ExprPPrinter::printConstraints(info, state.constraints());
res = info.str();
}
break;
case SMTLIB2:
{
std::ostringstream info;
ExprSMTLIBPrinter* printer = createSMTLIBPrinter();
printer->setOutput(info);
Query query(state.constraints(), ConstantExpr::alloc(0, Expr::Bool));
printer->setQuery(query);
printer->generateOutput();
res = info.str();
delete printer;
}
break;
default:
klee_warning("Executor::getConstraintLog() : Log format not supported!");
}
}
bool Executor::getSymbolicSolution(const ExecutionState &state,
......
......@@ -528,7 +528,7 @@ public:
virtual void getConstraintLog(const ExecutionState &state,
std::string &res,
bool asCVC = false);
Interpreter::LogType logFormat = Interpreter::STP);
virtual bool getSymbolicSolution(const ExecutionState &state,
std::vector<
......
......@@ -69,6 +69,9 @@ cl::opt<bool> WriteCVCs("write-cvcs", cl::desc(
cl::opt<bool> WritePCs("write-pcs", cl::desc(
"Write .pc files for each test case"));
cl::opt<bool> WriteSMT2s("write-smt2s", cl::desc(
"Write .smt2 (SMT-LIBv2) files for each test case"));
cl::opt<bool> WriteCov("write-cov", cl::desc(
"Write coverage information for each test case"));
......@@ -294,7 +297,7 @@ void KleeHandler::processTestCase(const ExecutionState &state,
if (errorMessage || WritePCs) {
std::string constraints;
m_interpreter->getConstraintLog(state, constraints);
m_interpreter->getConstraintLog(state, constraints, Interpreter::KQUERY);
std::ostream *f = openTestFile("pc", id);
if(f) {
*f << constraints;
......@@ -306,7 +309,7 @@ void KleeHandler::processTestCase(const ExecutionState &state,
if (WriteCVCs) {
std::string constraints;
m_interpreter->getConstraintLog(state, constraints, true);
m_interpreter->getConstraintLog(state, constraints, Interpreter::STP);
std::ostream *f = openTestFile("cvc", id);
if(f) {
*f << constraints;
......@@ -316,6 +319,15 @@ void KleeHandler::processTestCase(const ExecutionState &state,
}
}
if (WriteSMT2s) {
std::string constraints;
m_interpreter->getConstraintLog(state, constraints, Interpreter::SMTLIB2);
std::ostream *f = openTestFile("smt2", id);
*f << constraints;
delete f;
}
if (m_symPathWriter) {
std::vector<unsigned char> symbolicBranches;
m_symPathWriter->readStream(m_interpreter->getSymbolicPathStreamID(
......
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