+static int snapshot_compare(simgrid::mc::VisitedState* state1, simgrid::mc::VisitedState* state2)
+{
+ simgrid::mc::Snapshot* s1 = state1->system_state.get();
+ simgrid::mc::Snapshot* s2 = state2->system_state.get();
+ int num1 = state1->num;
+ int num2 = state2->num;
+ return snapshot_compare(num1, s1, num2, s2);
+}