model: don't use global 'model' unnecessarily

diff --git a/model.cc b/model.cc
index 217d6421ac403e60108ec074c900168bbce67888..bebd130b89098d1966f67ed519b86e0043eb6e43 100644 (file)
--- a/model.cc
+++ b/model.cc
@@ -166,7 +166,7 @@ bool ModelChecker::next_execution()
        if (isfinalfeasible() || DBG_ENABLED())
                print_summary();
 
-       if ((diverge = model->get_next_backtrack()) == NULL)
+       if ((diverge = get_next_backtrack()) == NULL)
                return false;
 
        if (DBG_ENABLED()) {
@@ -174,7 +174,7 @@ bool ModelChecker::next_execution()
                diverge->print();
        }
 
-       model->reset_to_initial_state();
+       reset_to_initial_state();
        return true;
 }
 
@@ -712,7 +712,7 @@ bool ModelChecker::resolve_release_sequences(void *location)
 
        // If we resolved promises or data races, see if we have realized a data race.
        if (checkDataRaces()) {
-               model->set_assert();
+               set_assert();
        }
 
        return updated;
@@ -841,7 +841,7 @@ void ModelChecker::check_promises(ClockVector *old_cv, ClockVector *merge_cv)
                                merge_cv->synchronized_since(act)) {
                        //This thread is no longer able to send values back to satisfy the promise
                        int num_synchronized_threads = promise->increment_threads();
-                       if (num_synchronized_threads == model->get_num_threads()) {
+                       if (num_synchronized_threads == get_num_threads()) {
                                //Promise has failed
                                failed_promise = true;
                                return;