Add failing test case.

test/C/src/federated/SmallDelayDecentralized.lf

@@ -0,0 +1,59 @@
+target C {
+  timeout: 1 sec,
+  coordination: decentralized
+}
+
+reactor Count {
+  state count: int = 1
+  output out: int
+  logical action loop
+
+  reaction(startup) -> loop {=
+    lf_schedule(loop, 0);
+  =}
+
+  reaction(loop) -> out {=
+    lf_set(out, self->count++);
+    lf_schedule(loop, 0);
+  =}
+}
+
+reactor Print {
+  input in: int
+  state c: int = 1
+  state checks: int = 0
+
+  logical action loop
+
+  reaction(startup) -> loop {=
+    lf_schedule(loop, 0);
+  =}
+
+  reaction(in) {=
+    interval_t elapsed_time = lf_time_logical_elapsed();
+    lf_print("At time %lld, received %d", elapsed_time, in->value);
+    if (in->value != self->c) {
+      lf_print_error_and_exit("Expected to receive %d.", self->c);
+    }
+    self->c++;
+  =} STP(100 msec) {=
+    lf_print_error_and_exit("STP violation. This should not happen because the STP offset is large.");
+  =}
+
+  reaction(loop) {=
+    lf_print("checking self.checks, which is now %d...", self->checks);
+    if (self->checks++ > 10) {
+      lf_request_stop();
+    } else {
+      lf_schedule(loop, 0);
+    }
+  =}
+
+  reaction(shutdown) {=  =}
+}
+
+federated reactor {
+  c = new Count()
+  p = new Print()
+  c.out -> p.in after 0
+}