commit bc156e2116d1e6dcee535e84bd24b5016bde0fe0
Author: feliperodri <rms.felipe@gmail.com>
Date:   Mon Nov 25 11:38:36 2019 -0400

    Implements __CPROVER_file_local_priority_queue_c_s_remove_node function
    
    Signed-off-by: feliperodri <rms.felipe@gmail.com>

diff --git a/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i b/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i
index d26efb0af1..284627ec9e 100644
--- a/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i
+++ b/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i
@@ -8377,7 +8377,7 @@ _Bool
 _Bool 
     aws_priority_queue_is_valid(const struct aws_priority_queue *const queue) {
 
-    if (!queue) {
+    if (queue != ((void *)0)) {
         return 
               0
                    ;
@@ -8546,7 +8546,23 @@ size_t aws_priority_queue_size(const struct aws_priority_queue *queue) {
 size_t aws_priority_queue_capacity(const struct aws_priority_queue *queue) {
     return aws_array_list_capacity(&queue->container);
 }
-int __CPROVER_file_local_priority_queue_c_s_remove_node(struct aws_priority_queue *queue, void *item, size_t index);
+int __CPROVER_file_local_priority_queue_c_s_remove_node(struct aws_priority_queue *queue, void *item, size_t index) {
+    __VERIFIER_assert(aws_priority_queue_is_valid(queue));
+    __VERIFIER_assert(item != ((void *)0) && (((queue->container.item_size) == 0) || (item != ((void *)0))));
+
+    if (aws_array_list_get_at(&queue->container, item, index)) {
+        __VERIFIER_assert(aws_priority_queue_is_valid(queue));
+        return (1);
+    }
+
+    queue->container.length -= 1;
+    if (queue->backpointers.data) {
+        queue->backpointers.length -= 1;
+    }
+
+    __VERIFIER_assert(aws_priority_queue_is_valid(queue));
+    return (0);
+}
 
 void aws_priority_queue_s_remove_node_harness() {