From 2ffb77c910f19eac2af058e89b544ee9441fc0d5 Mon Sep 17 00:00:00 2001
From: Jendrik Seipp <jendrik.seipp@liu.se>
Date: Thu, 12 Sep 2024 14:19:22 +0200
Subject: [PATCH] Prune initial state if bound=0.

---
 src/search/search_algorithm.cc | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/search/search_algorithm.cc b/src/search/search_algorithm.cc
index ee9f30811..61c41d80c 100644
--- a/src/search/search_algorithm.cc
+++ b/src/search/search_algorithm.cc
@@ -86,12 +86,17 @@ void SearchAlgorithm::set_plan(const Plan &p) {
 void SearchAlgorithm::search() {
     initialize();
     utils::CountdownTimer timer(max_time);
-    while (status == IN_PROGRESS) {
-        status = step();
-        if (timer.is_expired()) {
-            log << "Time limit reached. Abort search." << endl;
-            status = TIMEOUT;
-            break;
+    if (bound == 0) {
+        log << "Initial state is pruned because the g-bound is 0." << endl;
+        status = FAILED;
+    } else {
+        while (status == IN_PROGRESS) {
+            status = step();
+            if (timer.is_expired()) {
+                log << "Time limit reached. Abort search." << endl;
+                status = TIMEOUT;
+                break;
+            }
         }
     }
     // TODO: Revise when and which search times are logged.