diff -r 403e4d9a3768 -r 8b5a2e4b16d4 src/Pure/Admin/component_cvc5.scala
--- a/src/Pure/Admin/component_cvc5.scala	Wed Jun 14 17:20:05 2023 +0200
+++ b/src/Pure/Admin/component_cvc5.scala	Thu Jun 15 14:28:17 2023 +0200
@@ -53,7 +53,7 @@
 
       Isabelle_System.make_directory(platform_dir)
       Isabelle_System.download_file(url, platform_exe, progress = progress)
-      File.set_executable(platform_exe, true)
+      File.set_executable(platform_exe)
     }