2 * @brief Core model checker.
12 #include "hashtable.h"
14 #include "modeltypes.h"
15 #include "stl-model.h"
18 #include "classlist.h"
20 typedef SnapList<ModelAction *> action_list_t;
22 /** @brief Model checker execution stats */
23 struct execution_stats {
24 int num_total; /**< @brief Total number of executions */
25 int num_infeasible; /**< @brief Number of infeasible executions */
26 int num_buggy_executions; /** @brief Number of buggy executions */
27 int num_complete; /**< @brief Number of feasible, non-buggy, complete executions */
28 int num_redundant; /**< @brief Number of redundant, aborted executions */
31 /** @brief The central structure for model-checking */
36 model_params * getParams();
39 /** Restart the model checker, intended for pluggins. */
42 /** Exit the model checker, intended for pluggins. */
43 void exit_model_checker();
45 /** @returns the context for the main model-checking system thread */
46 ucontext_t * get_system_context() { return &system_context; }
48 ModelExecution * get_execution() const { return execution; }
49 ModelHistory * get_history() const { return history; }
51 int get_execution_number() const { return execution_number; }
53 Thread * get_thread(thread_id_t tid) const;
54 Thread * get_thread(const ModelAction *act) const;
56 Thread * get_current_thread() const;
58 void switch_from_master(Thread *thread);
59 uint64_t switch_to_master(ModelAction *act);
61 bool assert_bug(const char *msg, ...);
63 void assert_user_bug(const char *msg);
66 void add_trace_analysis(TraceAnalysis *a) { trace_analyses.push_back(a); }
67 void set_inspect_plugin(TraceAnalysis *a) { inspect_plugin=a; }
68 void startMainThread();
72 /** Flag indicates whether to restart the model checker. */
75 /** The scheduler to use: tracks the running/ready Threads */
76 Scheduler * const scheduler;
77 ModelExecution *execution;
79 ModelHistory *history;
83 unsigned int get_num_threads() const;
85 bool next_execution();
86 bool should_terminate_execution();
88 Thread * get_next_thread();
89 void reset_to_initial_state();
91 ucontext_t system_context;
93 ModelVector<TraceAnalysis *> trace_analyses;
95 /** @bref Implement restart. */
97 /** @bref Plugin that can inspect new actions. */
98 TraceAnalysis *inspect_plugin;
99 /** @brief The cumulative execution stats */
100 struct execution_stats stats;
102 void run_trace_analyses();
103 void print_bugs() const;
104 void print_execution(bool printbugs) const;
105 void print_stats() const;
107 friend void user_main_wrapper();
110 extern ModelChecker *model;
111 #endif /* __MODEL_H__ */