From 9d34c1f5001b216219a2243da31ca88c3e490ce7 Mon Sep 17 00:00:00 2001
From: Maximilien Colange <colange@lrde.epita.fr>
Date: Mon, 23 Apr 2018 14:29:41 +0200
Subject: [PATCH] fix parity game printing

* spot/misc/game.cc: a state could be printed several times
* tests/core/ltlsynt.test: update tests
---
 spot/misc/game.cc       | 2 ++
 tests/core/ltlsynt.test | 1 -
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/spot/misc/game.cc b/spot/misc/game.cc
index 3061d14fb..dde0cbb6e 100644
--- a/spot/misc/game.cc
+++ b/spot/misc/game.cc
@@ -51,6 +51,8 @@ void parity_game::print(std::ostream& os)
     {
       unsigned src = todo.back();
       todo.pop_back();
+      if (seen[src])
+        continue;
       seen[src] = true;
       os << src << ' ';
       os << out(src).begin()->acc.max_set() - 1 << ' ';
diff --git a/tests/core/ltlsynt.test b/tests/core/ltlsynt.test
index ab76a5527..aa8567850 100644
--- a/tests/core/ltlsynt.test
+++ b/tests/core/ltlsynt.test
@@ -37,7 +37,6 @@ parity 16;
 12 1 0 9,10;
 7 1 0 4,13;
 13 2 1 3,6;
-4 0 1 7,8;
 1 3 1 3,14;
 14 3 0 1,2;
 EOF