Using a for loop to prune writes that violate modification order is wrong
[c11tester.git] / model.cc
index cffaea874740ada79a5ee89e0901e31e9dbcdb2c..88b3302acd5804a2a0756e818e5e9fc98092e0de 100644 (file)
--- a/model.cc
+++ b/model.cc
@@ -130,7 +130,7 @@ Thread * ModelChecker::get_next_thread()
  * @param msg Descriptive message for the bug (do not include newline char)
  * @return True if bug is immediately-feasible
  */
-bool ModelChecker::assert_bug(const char *msg, ...)
+void ModelChecker::assert_bug(const char *msg, ...)
 {
        char str[800];
 
@@ -139,7 +139,7 @@ bool ModelChecker::assert_bug(const char *msg, ...)
        vsnprintf(str, sizeof(str), msg, ap);
        va_end(ap);
 
-       return execution->assert_bug(str);
+       execution->assert_bug(str);
 }
 
 /**
@@ -150,8 +150,8 @@ bool ModelChecker::assert_bug(const char *msg, ...)
 void ModelChecker::assert_user_bug(const char *msg)
 {
        /* If feasible bug, bail out now */
-       if (assert_bug(msg))
-               switch_to_master(NULL);
+       assert_bug(msg);
+       switch_to_master(NULL);
 }
 
 /** @brief Print bug report listing for this execution (if any bugs exist) */
@@ -175,15 +175,12 @@ void ModelChecker::print_bugs() const
 void ModelChecker::record_stats()
 {
        stats.num_total ++;
-       if (!execution->isfeasibleprefix())
-               stats.num_infeasible ++;
-       else if (execution->have_bug_reports())
+       if (execution->have_bug_reports())
                stats.num_buggy_executions ++;
        else if (execution->is_complete_execution())
                stats.num_complete ++;
        else {
-               stats.num_redundant ++;
-
+               //All threads are sleeping
                /**
                 * @todo We can violate this ASSERT() when fairness/sleep sets
                 * conflict to cause an execution to terminate, e.g. with:
@@ -197,9 +194,7 @@ void ModelChecker::record_stats()
 void ModelChecker::print_stats() const
 {
        model_print("Number of complete, bug-free executions: %d\n", stats.num_complete);
-       model_print("Number of redundant executions: %d\n", stats.num_redundant);
        model_print("Number of buggy executions: %d\n", stats.num_buggy_executions);
-       model_print("Number of infeasible executions: %d\n", stats.num_infeasible);
        model_print("Total executions: %d\n", stats.num_total);
 }
 
@@ -238,8 +233,7 @@ bool ModelChecker::next_execution()
 {
        DBG();
        /* Is this execution a feasible execution that's worth bug-checking? */
-       bool complete = execution->isfeasibleprefix() &&
-                                                                       (execution->is_complete_execution() ||
+       bool complete = (execution->is_complete_execution() ||
                                                                         execution->have_bug_reports());
 
        /* End-of-execution bug checks */
@@ -360,10 +354,7 @@ void ModelChecker::startChecker() {
 
 bool ModelChecker::should_terminate_execution()
 {
-       /* Infeasible -> don't take any more steps */
-       if (execution->is_infeasible())
-               return true;
-       else if (execution->isfeasibleprefix() && execution->have_bug_reports()) {
+       if (execution->have_bug_reports()) {
                execution->set_assert();
                return true;
        } else if (execution->isFinished()) {