Problem with memory corruption on assertion level 3
diff --git a/vpr/src/timing/net_delay.cpp b/vpr/src/timing/net_delay.cpp
index 3ada926..38c67cc 100644
--- a/vpr/src/timing/net_delay.cpp
+++ b/vpr/src/timing/net_delay.cpp
@@ -101,18 +101,21 @@
* array during the traversal. Finally, it frees the route tree and clears *
* the inode_to_Tdel_map associated with that net. */
- t_rt_node* rt_root;
-
- auto& cluster_ctx = g_vpr_ctx.clustering();
auto& route_ctx = g_vpr_ctx.routing();
+ if (route_ctx.trace[net_id].head == nullptr) { // check if the traceback is null
+ vpr_throw(VPR_ERROR_TIMING, __FILE__, __LINE__,
+ "in alloc_and_load_rc_tree: Traceback for net %lu does not exist.\n", size_t(net_id));
+ }
+
+ auto& cluster_ctx = g_vpr_ctx.clustering();
int inode;
- rt_root = traceback_to_route_tree(net_id); // obtain the root of the tree constructed from the traceback
- load_new_subtree_R_upstream(rt_root); // load in the resistance values for the route tree
- load_new_subtree_C_downstream(rt_root); // load in the capacitance values for the route tree
- load_route_tree_Tdel(rt_root, 0.); // load the time delay values for the route tree
- load_one_net_delay_recurr(rt_root, net_id); // recursively the tree and load entries into the inode_to_Tdel map
+ t_rt_node* rt_root = traceback_to_route_tree(net_id); // obtain the root of the tree constructed from the traceback
+ load_new_subtree_R_upstream(rt_root); // load in the resistance values for the route tree
+ load_new_subtree_C_downstream(rt_root); // load in the capacitance values for the route tree
+ load_route_tree_Tdel(rt_root, 0.); // load the time delay values for the route tree
+ load_one_net_delay_recurr(rt_root, net_id); // recursively the tree and load entries into the inode_to_Tdel map
for (unsigned int ipin = 1; ipin < cluster_ctx.clb_nlist.net_pins(net_id).size(); ipin++) {
inode = route_ctx.net_rr_terminals[net_id][ipin]; // look for the inode corresponding to the net_delay indices
