2 * @brief Entry point for the model checker.
12 /* global "model" object */
14 #include "snapshot-interface.h"
16 static void param_defaults(struct model_params * params) {
18 params->maxfuturedelay = 100;
19 params->fairwindow = 0;
20 params->enabledcount = 1;
22 params->maxfuturevalues = 0;
23 params->expireslop = 10;
27 static void print_usage(struct model_params *params) {
28 /* Reset defaults before printing */
29 param_defaults(params);
32 "Usage: <program name> [MC_OPTIONS] -- [PROGRAM ARGUMENTS]\n"
35 "-h Display this help message and exit\n"
36 "-m Maximum times a thread can read from the same write\n"
37 " while other writes exist. Default: %d\n"
38 "-M Maximum number of future values that can be sent to\n"
39 " the same read. Default: %d\n"
40 "-s Maximum actions that the model checker will wait for\n"
41 " a write from the future past the expected number of\n"
42 " actions. Default: %d\n"
43 "-S Future value expiration sloppiness. Default: %u\n"
44 "-f Specify a fairness window in which actions that are\n"
45 " enabled sufficiently many times should receive\n"
46 " priority for execution. Default: %d\n"
47 "-e Enabled count. Default: %d\n"
48 "-b Upper length bound. Default: %d\n"
49 "-v Print verbose execution information.\n"
50 "-- Program arguments follow.\n\n",
51 params->maxreads, params->maxfuturevalues, params->maxfuturedelay, params->expireslop, params->fairwindow, params->enabledcount, params->bound);
55 static void parse_options(struct model_params *params, int argc, char **argv) {
56 const char *shortopts = "hm:M:s:S:f:e:b:v";
59 while (!error && (opt = getopt(argc, argv, shortopts)) != -1) {
65 params->maxfuturedelay = atoi(optarg);
68 params->expireslop = atoi(optarg);
71 params->fairwindow = atoi(optarg);
74 params->enabledcount = atoi(optarg);
77 params->bound = atoi(optarg);
80 params->maxreads = atoi(optarg);
83 params->maxfuturevalues = atoi(optarg);
94 /* Pass remaining arguments to user program */
95 params->argc = argc - (optind - 1);
96 params->argv = argv + (optind - 1);
98 /* Reset program name */
99 params->argv[0] = argv[0];
101 /* Reset (global) optind for potential use by user program */
111 /** The model_main function contains the main model checking loop. */
112 static void model_main() {
113 struct model_params params;
115 param_defaults(¶ms);
117 parse_options(¶ms, main_argc, main_argv);
119 //Initialize race detector
122 //Create the singleton SnapshotStack object
123 snapshotObject = new SnapshotStack();
125 model = new ModelChecker(params);
126 snapshotObject->snapshotStep(0);
134 * Main function. Just initializes snapshotting library and the
135 * snapshotting library calls the model_main function.
137 int main(int argc, char ** argv) {
141 /* Configure output redirection for the model-checker */
144 /* Let's jump in quickly and start running stuff */
145 initSnapshotLibrary(10000, 1024, 1024, 4000, &model_main);