Use different algorithm for finding checkpoint

scripts/db-heal-test.py

@@ -145,6 +145,7 @@ def check_aida_log(process, sleep_time, log_path):
 def get_latest_checkpoint_from_info(log_path):
     log = os.path.join(working_dir, log_path)
     cp: str
+    checkpoint_keyword = 'Checkpoint: '
     with open(log, 'w') as cl:
         r = subprocess.run(
             ['go', 'run', './database/mpt/tool', 'info', str(archive)],
@@ -155,10 +156,11 @@ def get_latest_checkpoint_from_info(log_path):
             return -1
 
     with open(log, 'r') as cl:
-        info_checkpoint = cl.readlines()[-1]
-        # Return last word which is the block number
-        cp = info_checkpoint.split()[-1]
-
+        for line in cl:
+            if checkpoint_keyword in line:
+                start_index = line.find(checkpoint_keyword) + len(checkpoint_keyword)
+                cp = line[start_index:].strip()
+                break
     return int(cp)