Example #1
0
void ic3_engine::push_current_frame() {

  // Search while we have something to do
  while (!d_induction_obligations.empty() && !d_property_invalid) {

    // Pick a formula to try and prove inductive, i.e. that F_k & P & T => P'
    induction_obligation ind = pop_induction_obligation();

    // If formula is marked as invalid, skip it
    if (is_invalid(ind.formula)) {
      continue;
    }

    // Push the formula forward if it's inductive at the frame
    induction_result ind_result = push_if_inductive(ind);

    // See what happened
    switch (ind_result) {
    case INDUCTION_RETRY:
      // We'll retry the same formula (it's already added to the solver)
      enqueue_induction_obligation(ind);
      break;
    case INDUCTION_SUCCESS:
      // Boss
      break;
    case INDUCTION_FAIL: {
      // Not inductive, mark it
      const reachability::cex_type& cex = d_reachability.get_cex();
      assert(cex.size() > 0);
      assert(cex.size() - 1 <= d_induction_frame_index);
      size_t cex_frame = cex.size() - 1 + d_induction_frame_depth;
      set_invalid(ind.formula, cex_frame);
      d_induction_frame_index_next = std::min(d_induction_frame_index_next, cex_frame);
      // Try to extend the counter-example further
      extend_induction_failure(ind.formula);
      break;
    }
    case INDUCTION_INCONCLUSIVE:
      break;
    }
  }

  // Dump dependency graph if asked
  if (ctx().get_options().get_bool("ic3-dump-dependencies")) {
    dump_dependencies();
  }
}
Example #2
0
void
app_init (int argc, char **argv)
{
  static gboolean nosplash = FALSE;
  static gboolean nonew = FALSE;
  static gboolean use_integrated_ui = TRUE;
  static gboolean credits = FALSE;
  static gboolean version = FALSE;
  static gboolean verbose = FALSE;
  static gboolean log_to_stderr = FALSE;
#ifdef HAVE_GNOME
  GnomeClient *client;
#endif
  static char *export_file_name = NULL;
  static char *export_file_format = NULL;
  static char *size = NULL;
  static char *show_layers = NULL;
  gboolean made_conversions = FALSE;
  GSList *files = NULL;
  static const gchar **filenames = NULL;
  int i = 0;

  gchar *export_format_string = 
     /* Translators:  The argument is a list of options, not to be translated */
    g_strdup_printf(_("Select the filter/format out of: %s"),
		    "cgm, dia, dxf, eps, eps-builtin, " EPS_PANGO
		    "fig, mp, plt, hpgl, png ("
#  if defined(HAVE_LIBPNG) && defined(HAVE_LIBART)
		    "png-libart, "
#  endif
#  ifdef HAVE_CAIRO
		    "cairo-png, cairo-alpha-png, "
#  endif
		    /* we always have pixbuf but don't know exactly all it's *few* save formats */
		    "pixbuf-png), jpg, "
		    "shape, svg, tex (pgf-tex, pstricks-tex), " WMF
		    "wpg");

  GOptionContext *context = NULL;
  static GOptionEntry options[] =
  {
    {"export", 'e', 0, G_OPTION_ARG_FILENAME, NULL /* &export_file_name */,
     N_("Export loaded file and exit"), N_("OUTPUT")},
    {"filter",'t', 0, G_OPTION_ARG_STRING, NULL /* &export_file_format */,
     NULL /* &export_format_string */, N_("TYPE") },
    {"size", 's', 0, G_OPTION_ARG_STRING, NULL,
     N_("Export graphics size"), N_("WxH")},
    {"show-layers", 'L', 0, G_OPTION_ARG_STRING, NULL,
     N_("Show only specified layers (e.g. when exporting). Can be either the layer name or a range of layer numbers (X-Y)"),
     N_("LAYER,LAYER,...")},
    {"nosplash", 'n', 0, G_OPTION_ARG_NONE, &nosplash,
     N_("Don't show the splash screen"), NULL },
    {"nonew", 'n', 0, G_OPTION_ARG_NONE, &nonew,
     N_("Don't create an empty diagram"), NULL },
    {"classic", '\0', G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &use_integrated_ui,
     N_("Start classic user interface (no diagrams in tabs)"), NULL },
    {"log-to-stderr", 'l', 0, G_OPTION_ARG_NONE, &log_to_stderr,
     N_("Send error messages to stderr instead of showing dialogs."), NULL },
    {"input-directory", 'I', 0, G_OPTION_ARG_CALLBACK, _check_option_input_directory,
     N_("Directory containing input files"), N_("DIRECTORY")},
    {"output-directory", 'O', 0, G_OPTION_ARG_CALLBACK, _check_option_output_directory,
     N_("Directory containing output files"), N_("DIRECTORY")},
    {"credits", 'c', 0, G_OPTION_ARG_NONE, &credits,
     N_("Display credits list and exit"), NULL },
    {"verbose", 0, 0, G_OPTION_ARG_NONE, &verbose,
     N_("Generate verbose output"), NULL },
    {"version", 'v', 0, G_OPTION_ARG_NONE, &version,
     N_("Display version and exit"), NULL },
    { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, NULL /* &filenames */,
      NULL, NULL },
    { NULL }
  };
  
  /* for users of app_init() the default is interactive */
  dia_is_interactive = TRUE;

  options[0].arg_data = &export_file_name;
  options[1].arg_data = &export_file_format;
  options[1].description = export_format_string;
  options[2].arg_data = &size;
  options[3].arg_data = &show_layers;
  g_assert (strcmp (options[13].long_name, G_OPTION_REMAINING) == 0);
  options[13].arg_data = (void*)&filenames;

  argv0 = (argc > 0) ? argv[0] : "(none)";

#if GTK_CHECK_VERSION(2,24,0)
  /* ... use setlocale directly? */
#else
  gtk_set_locale();
#endif
  setlocale(LC_NUMERIC, "C");
  _setup_textdomains ();

  context = g_option_context_new(_("[FILE...]"));
  g_option_context_add_main_entries (context, options, GETTEXT_PACKAGE);
#ifndef HAVE_GNOME
  /* avoid to add it a second time */
  g_option_context_add_group (context, gtk_get_option_group (FALSE));
#endif
  if (argv) {
    GError *error = NULL;

    if (!g_option_context_parse (context, &argc, &argv, &error)) {
      if (error) { /* IMO !error here is a bug upstream, triggered e.g. with --gdk-debug=updates */
	g_print ("%s", error->message);
	g_error_free (error);
      } else {
	g_print (_("Invalid option?"));
      }

      g_option_context_free(context);
      exit(1);
    }
    /* second level check of command line options, existance of input files etc. */
    if (filenames) {
      while (filenames[i] != NULL) {
	gchar *filename; 
	gchar *testpath;	  

	if (g_str_has_prefix (filenames[i], "file://")) {
	  filename = g_filename_from_uri (filenames[i], NULL, NULL);
	  if (!g_utf8_validate(filename, -1, NULL)) {
	    gchar *tfn = filename;
	    filename = g_filename_to_utf8(filename, -1, NULL, NULL, NULL);
	    g_free(tfn);
	  }
	} else
	  filename = g_filename_to_utf8 (filenames[i], -1, NULL, NULL, NULL);

	if (!filename) {
	  g_print (_("Filename conversion failed: %s\n"), filenames[i]);
	  continue;
	}

	if (g_path_is_absolute(filename))
	  testpath = filename;
	else
	  testpath = g_build_filename(input_directory ? input_directory : ".", filename, NULL);

	/* we still have a problem here, if GLib's file name encoding would not be utf-8 */
	if (g_file_test (testpath, G_FILE_TEST_IS_REGULAR))
	  files = g_slist_append(files, filename);
	else {
	  g_print (_("Missing input: %s\n"), filename);
	  g_free (filename);
	}
	if (filename != testpath)
	  g_free (testpath);
	++i;
      }
    }
    /* given some files to output, we are not starting up the UI */
    if (export_file_name || export_file_format || size)
      dia_is_interactive = FALSE;

  }

  if (argv && dia_is_interactive && !version) {
#ifdef HAVE_GNOME
    GnomeProgram *program =
      gnome_program_init (PACKAGE, VERSION, LIBGNOMEUI_MODULE,
			  argc, argv,
			  /* haven't found a quick way to pass GOption here */
			  GNOME_PARAM_GOPTION_CONTEXT, context,
			  GNOME_PROGRAM_STANDARD_PROPERTIES,
			  GNOME_PARAM_NONE);
    client = gnome_master_client();
    if(client == NULL) {
      g_warning(_("Can't connect to session manager!\n"));
    }
    else {
      g_signal_connect(G_OBJECT (client), "save_yourself",
		       G_CALLBACK (save_state), NULL);
      g_signal_connect(G_OBJECT (client), "die",
		       G_CALLBACK (session_die), NULL);
    }

    /* This smaller icon is 48x48, standard Gnome size */
    /* gnome_window_icon_set_default_from_file (GNOME_ICONDIR"/dia_gnome_icon.png");*/

#else
#  ifdef G_THREADS_ENABLED
    g_thread_init (NULL);
#  endif
    gtk_init(&argc, &argv);
#endif
  }
  else {
#ifdef G_THREADS_ENABLED
    g_thread_init (NULL);
#endif
    g_type_init();
    /*
     * On Windows there is no command line without display so that gtk_init is harmless. 
     * On X11 we need gtk_init_check() to avoid exit() just because there is no display 
     * running outside of X11.
     */
    if (!gtk_init_check(&argc, &argv))
      dia_log_message ("Running without display");
  }

  /* done with option parsing, don't leak */
  g_free(export_format_string);
  
  if (version) {
    gchar *ver_utf8;
    gchar *ver_locale;
#if (defined __TIME__) && (defined __DATE__)
    /* TRANSLATOR: 2nd and 3rd %s are time and date respectively. */
    ver_utf8 = g_strdup_printf(_("Dia version %s, compiled %s %s\n"), VERSION, __TIME__, __DATE__);
#else
    ver_utf8 = g_strdup_printf(_("Dia version %s\n"), VERSION);
#endif
    ver_locale = g_locale_from_utf8(ver_utf8, -1, NULL, NULL, NULL);
    printf("%s\n", ver_locale);
    g_free(ver_locale);
    g_free(ver_utf8);
    if (verbose)
      dump_dependencies();
    exit(0);
  }

  if (!dia_is_interactive)
    log_to_stderr = TRUE;

  libdia_init (   (dia_is_interactive ? DIA_INTERACTIVE : 0)
	       | (log_to_stderr ? DIA_MESSAGE_STDERR : 0)
	       | (verbose ? DIA_VERBOSE : 0) );

  print_credits(credits);

  if (dia_is_interactive) {
    create_user_dirs();

    if (!nosplash)
      app_splash_init("");

    /* Init cursors: */
    default_cursor = gdk_cursor_new(GDK_LEFT_PTR);
    ddisplay_set_all_cursor(default_cursor);
  }

  dia_register_plugins();
  dia_register_builtin_plugin(internal_plugin_init);

  load_all_sheets();     /* new mechanism */

  dia_log_message ("object defaults");
  {
    DiaContext *ctx = dia_context_new (_("Object Defaults"));
    dia_object_defaults_load (NULL, TRUE /* prefs.object_defaults_create_lazy */, ctx);
    dia_context_release (ctx);
  }
  debug_break();

  if (object_get_type("Standard - Box") == NULL) {
    message_error(_("Couldn't find standard objects when looking for "
		  "object-libs; exiting...\n"));
    g_critical( _("Couldn't find standard objects when looking for "
	    "object-libs in '%s'; exiting...\n"), dia_get_lib_directory("dia"));
    exit(1);
  }

  persistence_load();

  /** Must load prefs after persistence */
  prefs_init();

  if (dia_is_interactive) {

    /* further initialization *before* reading files */  
    active_tool = create_modify_tool();

    dia_log_message ("ui creation");
    if (use_integrated_ui) {
      create_integrated_ui();
    } else {
      create_toolbox();
      /* for the integrated ui case it is integrated */
      persistence_register_window_create("layer_window",
				         (NullaryFunc*)&layer_dialog_create);
    }
      
    /*fill recent file menu */
    recent_file_history_init();

    /* Set up autosave to check every 5 minutes */
    g_timeout_add_seconds(5*60, autosave_check_autosave, NULL);

#if 0 /* do we really open these automatically in the next session? */
    persistence_register_window_create("diagram_tree", 
                                       &diagram_tree_show);
#endif
    persistence_register_window_create("sheets_main_dialog",
				       (NullaryFunc*)&sheets_dialog_create);

    /* In current setup, we can't find the autosaved files. */
    /*autosave_restore_documents();*/

  }

  dia_log_message ("diagrams");
  made_conversions = handle_all_diagrams(files, export_file_name,
					 export_file_format, size, show_layers,
					 input_directory, output_directory);
					 
  if (dia_is_interactive && files == NULL && !nonew) {
    if (use_integrated_ui) {
      GList * list;
    
      file_new_callback(NULL);  
      list = dia_open_diagrams();
      if (list) {
        Diagram * diagram = list->data;
        diagram_update_extents(diagram);
        diagram->is_default = TRUE;
      }
    } else {
      gchar *filename = g_filename_from_utf8(_("Diagram1.dia"), -1, NULL, NULL, NULL);
      Diagram *diagram = new_diagram (filename);
      g_free(filename);
    
      if (diagram != NULL) {
        diagram_update_extents(diagram);
        diagram->is_default = TRUE;
        /* I think this is done in diagram_init() with a call to 
         * layer_dialog_update_diagram_list() */
        layer_dialog_set_diagram(diagram);
        new_display(diagram); 
      }
    }
  }
  g_slist_free(files);
  if (made_conversions) exit(0);

  dynobj_refresh_init();
  dia_log_message ("initialized");
}