Fixed fail with preferCex, removed relation from first argument

2 files changed, 76 insertions, 0 deletions

diff --git a/test/Replay/libkleeruntest/replay_cex_after_assumed_malloc.c b/test/Replay/libkleeruntest/replay_cex_after_assumed_malloc.c
new file mode 100644
index 00000000..09d60e79
--- /dev/null
+++ b/test/Replay/libkleeruntest/replay_cex_after_assumed_malloc.c
@@ -0,0 +1,25 @@
+// RUN: %clang %s -S -emit-llvm -g -c -o %t.ll
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out %t.ll
+// KLEE just must not fail
+#include "klee/klee.h"
+
+int main() {
+  char i;
+  char *p;
+  char *q;
+  klee_make_symbolic(&i, sizeof(i), "i");
+  klee_make_symbolic(&p, sizeof(p), "p");
+
+  if (i) {}
+
+  q = malloc(sizeof (char));
+  klee_assume(p == q);
+  klee_make_symbolic(p, sizeof (char), "p[0]");
+
+  char condition = (*p);
+  if (*p) condition = 1;
+  klee_prefer_cex(&i, condition);
+  if (i+5) {}
+  return 0;
+}
diff --git a/test/Replay/libkleeruntest/replay_cex_incorrect_result.c b/test/Replay/libkleeruntest/replay_cex_incorrect_result.c
new file mode 100644
index 00000000..46fab72e
--- /dev/null
+++ b/test/Replay/libkleeruntest/replay_cex_incorrect_result.c
@@ -0,0 +1,51 @@
+// RUN: %clang %s -S -emit-llvm -g -c -o %t.ll
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --search=dfs --output-dir=%t.klee-out %t.ll
+
+// This should produce four 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
+// RUN: test ! -f %t.klee-out/test000005.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
+// RUN: env KTEST_FILE=%t.klee-out/test000004.ktest %t_runner 2>&1 | FileCheck -check-prefix=CHECK_4 %s
+
+#include <klee/klee.h>
+#include <stdio.h>
+
+void f0(void) {}
+void f1(void) {}
+void f2(void) {}
+void f3(void) {}
+
+int main() {
+  int x = klee_range(0, 256, "x");
+
+  if (x == 17) {
+    f0();
+    // CHECK_4: x=17
+  } else if (x == 32) {
+    f1();
+    // CHECK_3: x=32
+  } else if (x == 99) {
+    f2();
+    // CHECK_2: x=99
+  } else {
+    klee_prefer_cex(&x, x == 0);
+    f3();
+    // CHECK_1: x=0
+  }
+
+#ifdef PRINT_VALUE
+  printf("x=%d\n", x);
+#endif
+
+  return 0;
+}