Add a sthread+MC example that deadlocks

[simgrid.git] / examples / sthread / pthread-mc-mutex-simpledeadlock.tesh

diff --git a/examples/sthread/pthread-mc-mutex-simpledeadlock.tesh b/examples/sthread/pthread-mc-mutex-simpledeadlock.tesh
new file mode 100644 (file)
index 0000000..63ff776
--- /dev/null
+++ b/examples/sthread/pthread-mc-mutex-simpledeadlock.tesh
@@ -0,0 +1,26 @@
+
+# This test raises a deadlock, thus the return code of 3
+! expect return 3
+
+# We ignore the LD_PRELOAD lines from the expected output because they contain the build path
+! ignore .*LD_PRELOAD.*
+
+$ ${bindir:=.}/../../bin/simgrid-mc --cfg=model-check/setenv:LD_PRELOAD=${libdir:=.}/libsgmalloc.so:${libdir:=.}/libsthread.so ${bindir:=.}/pthread-mutex-simpledeadlock
+> [0.000000] [sthread/INFO] Starting the simulation.
+> All threads are started.
+> [0.000000] [mc_dfs/INFO] Start a DFS exploration. Reduction is: dpor.
+> The thread 0 is terminating.
+> The thread 1 is terminating.
+> User's main is terminating.
+> [0.000000] [mc_global/INFO] **************************
+> [0.000000] [mc_global/INFO] *** DEADLOCK DETECTED ***
+> [0.000000] [mc_global/INFO] **************************
+> [0.000000] [mc_global/INFO] Counter-example execution trace:
+> [0.000000] [mc_global/INFO]   2: MUTEX_ASYNC_LOCK(mutex: 0, owner:2)
+> [0.000000] [mc_global/INFO]   2: MUTEX_WAIT(mutex: 0, owner:2)
+> [0.000000] [mc_global/INFO]   3: MUTEX_ASYNC_LOCK(mutex: 1, owner:3)
+> [0.000000] [mc_global/INFO]   2: MUTEX_ASYNC_LOCK(mutex: 1, owner:3)
+> [0.000000] [mc_global/INFO]   3: MUTEX_WAIT(mutex: 1, owner:3)
+> [0.000000] [mc_global/INFO]   3: MUTEX_ASYNC_LOCK(mutex: 0, owner:2)
+> [0.000000] [mc_global/INFO] Path = 2;2;3;2;3;3
+> [0.000000] [mc_dfs/INFO] DFS exploration ended. 19 unique states visited; 2 backtracks (22 transition replays, 2 states visited overall)