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// RUN: %clang %s -emit-llvm -g %O0opt -c -o %t.bc
// RUN: rm -rf %t.klee-out
// RUN: %klee --output-dir=%t.klee-out %t.bc
// This should produce three test cases.
// RUN: test -f %t.klee-out/test000001.ktest
// RUN: test -f %t.klee-out/test000002.ktest
// RUN: test -f %t.klee-out/test000003.ktest
// RUN: test ! -f %t.klee-out/test000004.ktest
// Now try to replay with libkleeRuntest
// RUN: %cc -DPRINT_VALUE %s %libkleeruntest -Wl,-rpath %libkleeruntestdir -o %t_runner
// RUN: env KTEST_FILE=%t.klee-out/test000001.ktest %t_runner 2>&1 | FileCheck -check-prefix=CHECK_1 %s
// RUN: env KTEST_FILE=%t.klee-out/test000002.ktest %t_runner 2>&1 | FileCheck -check-prefix=CHECK_2 %s
// RUN: env KTEST_FILE=%t.klee-out/test000003.ktest %t_runner 2>&1 | FileCheck -check-prefix=CHECK_3 %s
#include "klee/klee.h"
#include <stdint.h>
#include <stdio.h>
int main(int argc, char** argv) {
int x = 54, y = 55;
klee_make_symbolic(&x, sizeof(x), "x");
klee_make_symbolic(&y, sizeof(y), "y");
klee_prefer_cex(&x, x == 33);
if (x < 40) {
if (y == 0) {
klee_assume(x == 0);
x++;
// It's fine if the prefered value cannot be used
// CHECK_3: x=1, y=0
} else {
printf("x is allowed to be 33\n");
// The prefered value should be used if it can be
// CHECK_2: x=33
}
} else {
printf("x is not allowed to be 33\n");
// CHECK_1-NOT: x=33
}
#ifdef PRINT_VALUE
printf("x=%d, y=%d\n", x, y);
#endif
return 0;
}
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