--- /dev/null
+#include <stdlib.h>
+#include <assert.h>
+#include <stdio.h>
+#include <threads.h>
+#include <stdatomic.h>
+
+#include "model-assert.h"
+
+#include "deque.h"
+
+Deque *q;
+int a;
+int b;
+int c;
+int x;
+
+static void task(void * param) {
+ a=steal(q);
+ if (a == ABORT) {
+ printf("Steal NULL\n");
+ } else {
+ printf("Steal %d\n", a);
+ }
+
+}
+
+int user_main(int argc, char **argv)
+{
+ __sequential_init();
+
+ thrd_t t;
+ q=create();
+ push(q, 1);
+ printf("Push 1\n");
+ push(q, 2);
+ printf("Push 2\n");
+ push(q, 4);
+ printf("Push 4\n");
+ push(q, 5);
+ printf("Push 5\n");
+ thrd_create(&t, task, 0);
+
+ b=take(q);
+ if (b == EMPTY) {
+ printf("Take NULL\n");
+ } else {
+ printf("Take %d\n", b);
+ }
+ c=take(q);
+ if (c == EMPTY) {
+ printf("Take NULL\n");
+ } else {
+ printf("Take %d\n", c);
+ }
+ thrd_join(t);
+
+
+ return 0;
+}
+