diff --git a/bin/mctest/main_angr.py b/bin/mctest/main_angr.py
index 5294e67..9c19dd8 100644
--- a/bin/mctest/main_angr.py
+++ b/bin/mctest/main_angr.py
@@ -268,7 +268,8 @@ def main():
       use_sim_procedures=True,
       translation_cache=True,
       support_selfmodifying_code=False,
-      auto_load_libs=True)
+      auto_load_libs=True,
+      exclude_sim_procedures_list=['printf', 'fprintf'])
 
   entry_state = project.factory.entry_state(
       add_options={angr.options.ZERO_FILL_UNCONSTRAINED_MEMORY,
diff --git a/examples/OutOfBoundsInt.cpp b/examples/OutOfBoundsInt.cpp
index d01f352..3bd35db 100644
--- a/examples/OutOfBoundsInt.cpp
+++ b/examples/OutOfBoundsInt.cpp
@@ -16,16 +16,24 @@
 
 #include <mctest/McUnit.hpp>
 
+MCTEST_NOINLINE int ident1(int x) {
+  return x;
+}
+
+MCTEST_NOINLINE int ident2(int x) {
+  return x;
+}
+
 TEST(BoundsCheck, YIsAlwaysPositive) {
   int x = McTest_IntInRange(-10, 10);
-  int y = x * x;
+  int y = ident1(x) * ident2(x);
   ASSERT_GE(y, 0)
       << "Found y=" << y << " was not always positive.";
 }
 
 TEST(BoundsCheck, YIsAlwaysPositive_CanFail) {
   int x = McTest_Int();
-  int y = x * x;  // Can overflow!
+  int y = ident1(x) * ident2(x);  // Can overflow!
   ASSERT_GE(y, 0)
       << "Found y=" << y << " was not always positive.";
 }