1 /* Copyright (c) 2008-2022. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "src/mc/mc_config.hpp"
7 #include "src/mc/mc_replay.hpp"
8 #include <simgrid/sg_config.hpp>
11 #include <string_view>
14 #define _sg_do_model_check 0
17 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(xbt_cfg);
19 static void _mc_cfg_cb_check(const char* spec, bool more_check = true)
21 xbt_assert(_sg_cfg_init_status == 0 || _sg_do_model_check || not more_check,
22 "Specifying a %s is only allowed within the model-checker. Please use simgrid-mc.", spec);
25 /* Replay (this part is enabled even if MC it disabled) */
26 simgrid::config::Flag<std::string> _sg_mc_record_path{
27 "model-check/replay", "Model-check path to replay (as reported by SimGrid when a violation is reported)", "",
28 [](std::string_view value) { MC_record_path() = value; }};
30 simgrid::config::Flag<bool> _sg_mc_timeout{
31 "model-check/timeout", "Whether to enable timeouts for wait requests", false, [](bool) {
32 _mc_cfg_cb_check("value to enable/disable timeout for wait requests", not MC_record_replay_is_active());
36 int _sg_do_model_check = 0;
37 int _sg_mc_max_visited_states = 0;
39 static simgrid::config::Flag<std::string> cfg_mc_reduction{
40 "model-check/reduction", "Specify the kind of exploration reduction (either none or DPOR)", "dpor",
41 [](std::string_view value) {
42 if (value != "none" && value != "dpor")
43 xbt_die("configuration option 'model-check/reduction' can only take 'none' or 'dpor' as a value");
46 simgrid::config::Flag<int> _sg_mc_checkpoint{
47 "model-check/checkpoint", "Specify the amount of steps between checkpoints during stateful model-checking "
48 "(default: 0 => stateless verification). If value=1, one checkpoint is saved for each "
49 "step => faster verification, but huge memory consumption; higher values are good "
50 "compromises between speed and memory consumption.",
51 0, [](int) { _mc_cfg_cb_check("checkpointing value"); }};
53 simgrid::config::Flag<std::string> _sg_mc_property_file{
54 "model-check/property", "Name of the file containing the property, as formatted by the ltl2ba program.", "",
55 [](const std::string&) { _mc_cfg_cb_check("property"); }};
57 simgrid::config::Flag<bool> _sg_mc_comms_determinism{
58 "model-check/communications-determinism",
59 "Whether to enable the detection of communication determinism",
62 _mc_cfg_cb_check("value to enable/disable the detection of determinism in the communications schemes");
65 simgrid::config::Flag<bool> _sg_mc_send_determinism{
66 "model-check/send-determinism",
67 "Enable/disable the detection of send-determinism in the communications schemes",
70 _mc_cfg_cb_check("value to enable/disable the detection of send-determinism in the communications schemes");
73 simgrid::config::Flag<bool> _sg_mc_unfolding_checker{
74 "model-check/unfolding-checker",
75 "Whether to enable the unfolding-based dynamic partial order reduction to MPI programs", false, [](bool) {
76 _mc_cfg_cb_check("value to to enable/disable the unfolding-based dynamic partial order reduction to MPI programs");
79 simgrid::config::Flag<std::string> _sg_mc_buffering{
81 "Buffering semantic to use for MPI (only used in MC)",
83 {{"zero", "No system buffering: MPI_Send is blocking"},
84 {"infty", "Infinite system buffering: MPI_Send returns immediately"}},
85 [](std::string_view) { _mc_cfg_cb_check("buffering mode"); }};
87 simgrid::config::Flag<int> _sg_mc_max_depth{"model-check/max-depth",
88 "Maximal exploration depth (default: 1000)",
90 [](int) { _mc_cfg_cb_check("max depth value"); }};
92 static simgrid::config::Flag<int> _sg_mc_max_visited_states__{
93 "model-check/visited",
94 "Specify the number of visited state stored for state comparison reduction: any branch leading to a state that is "
95 "already stored is cut.\n"
96 "If value=5, the last 5 visited states are stored. If value=0 (the default), no state is stored and this reduction "
97 "technique is disabled.",
99 _mc_cfg_cb_check("number of stored visited states");
100 _sg_mc_max_visited_states = value;
103 simgrid::config::Flag<std::string> _sg_mc_dot_output_file{
104 "model-check/dot-output",
105 "Name of dot output file corresponding to graph state",
107 [](const std::string&) { _mc_cfg_cb_check("file name for a dot output of graph state"); }};
109 simgrid::config::Flag<bool> _sg_mc_termination{
110 "model-check/termination", "Whether to enable non progressive cycle detection", false,
111 [](bool) { _mc_cfg_cb_check("value to enable/disable the detection of non progressive cycles"); }};
113 bool simgrid::mc::cfg_use_DPOR()
115 if (cfg_mc_reduction.get() == "dpor" && _sg_mc_max_visited_states__ > 0) {
116 XBT_INFO("Disabling DPOR since state-equality reduction is activated with 'model-check/visited'");
119 return cfg_mc_reduction.get() == "dpor";