Ejemplo n.º 1
0
bool symex_parseoptionst::get_goto_program(
  const optionst &options,
  goto_functionst &goto_functions)
{
  if(cmdline.args.empty())
  {
    error() << "Please provide a program to verify" << eom;
    return true;
  }

  try
  {
    if(cmdline.args.size()==1 &&
       is_goto_binary(cmdline.args[0]))
    {
      status() << "Reading GOTO program from file" << eom;

      if(read_goto_binary(cmdline.args[0],
           symbol_table, goto_functions, get_message_handler()))
        return true;

      config.ansi_c.set_from_symbol_table(symbol_table);

      if(cmdline.isset("show-symbol-table"))
      {
        show_symbol_table();
        return true;
      }

      irep_idt entry_point=goto_functions.entry_point();

      if(symbol_table.symbols.find(entry_point)==symbol_table.symbols.end())
      {
        error() << "The goto binary has no entry point; please complete linking" << eom;
        return true;
      }
    }
    else if(cmdline.isset("show-parse-tree"))
    {
      if(cmdline.args.size()!=1)
      {
        error() << "Please give one source file only" << eom;
        return true;
      }

      std::string filename=cmdline.args[0];

      #ifdef _MSC_VER
      std::ifstream infile(widen(filename).c_str());
      #else
      std::ifstream infile(filename.c_str());
      #endif

      if(!infile)
      {
        error() << "failed to open input file `" << filename << "'" << eom;
        return true;
      }

      languaget *language=get_language_from_filename(filename);

      if(language==NULL)
      {
        error() << "failed to figure out type of file `" <<  filename << "'" << eom;
        return true;
      }

      status("Parsing", filename);

      if(language->parse(infile, filename, get_message_handler()))
      {
        error() << "PARSING ERROR" << eom;
        return true;
      }

      language->show_parse(std::cout);
      return true;
    }
    else
    {

      if(parse()) return true;
      if(typecheck()) return true;
      if(final()) return true;

      // we no longer need any parse trees or language files
      clear_parse();

      if(cmdline.isset("show-symbol-table"))
      {
        show_symbol_table();
        return true;
      }

      irep_idt entry_point=goto_functions.entry_point();

      if(symbol_table.symbols.find(entry_point)==symbol_table.symbols.end())
      {
        error() << "No entry point; please provide a main function" << eom;
        return true;
      }

      status() << "Generating GOTO Program" << eom;

      goto_convert(symbol_table, goto_functions, ui_message_handler);
    }

    // finally add the library
    status() << "Adding CPROVER library" << eom;
    link_to_library(symbol_table, goto_functions, ui_message_handler);

    if(process_goto_program(options, goto_functions))
      return true;
  }

  catch(const char *e)
  {
    error(e);
    return true;
  }

  catch(const std::string e)
  {
    error(e);
    return true;
  }

  catch(int)
  {
    return true;
  }

  catch(std::bad_alloc)
  {
    error() << "Out of memory" << eom;
    return true;
  }

  return false;
}
Ejemplo n.º 2
0
Archivo: prepare.cpp Proyecto: olivo/BP
int preparet::get_async_modules()
{
  if(goto_functions.function_map.empty())
  {
    // see if we have a "main"

    if(context.symbols.find("main")==context.symbols.end())
    {
      error("failed to find entry point -- please provide a model");
      return 1;
    }

    status("Generating GOTO Program");

    goto_convert(
        context,
        goto_functions,
        get_message_handler());
  }

  // we no longer need any parse trees or language files
  clear_parse();

  // finally add the library
  status("Adding CPROVER library");      
  link_to_library(
      context, goto_functions, get_message_handler());

  if(cmdline.isset("show-goto-functions"))
  {
    goto_functions.output(ns, std::cout);
    return 0;
  }

  unsigned functions=goto_functions.function_map.size();
  unsigned instructions=0;
  forall_goto_functions(it, goto_functions)
    instructions+=it->second.body.instructions.size();

  status(i2string(functions)+" functions, "+
      i2string(instructions)+" instructions.");

  if(cmdline.isset("string-abstraction"))
    string_instrumentation(
        context, get_message_handler(), goto_functions);

  status("Removing function pointers");
  remove_function_pointers(ns, goto_functions, cmdline.isset("pointer-check"));

  status("Removing unused functions");
  remove_unused_functions(
      goto_functions, get_message_handler());

  // Boom requies full inlining.
  bool boom=
    !cmdline.isset("modelchecker") ||
    std::string(cmdline.getval("modelchecker"))=="boom";

  // OSWALDO
  if(cmdline.isset("full-inlining") || boom)
  {
    status("Full inlining");

    satabs_inline(
        goto_functions,
        ns,
        get_message_handler());
  }
  else
  {
    // partially inline functions
    status("Partial inlining");

    satabs_partial_inline(
        goto_functions,
        ns,
        get_message_handler());

    // we do this again, to remove all the functions that are inlined now
    remove_unused_functions(
        goto_functions, get_message_handler());

    status("Adjusting functions");
    prepare_functions(
        context,
        goto_functions,
        get_message_handler());

    // show it?
    if(cmdline.isset("show-adjusted-functions"))
    {
      goto_functions.output(ns, std::cout);
      return 0;
    }
  }

  // add loop ids
  goto_functions.compute_loop_numbers();

  add_failed_symbols(context);

  // add generic checks
  goto_check(ns, options, goto_functions);

  if(cmdline.isset("string-abstraction"))
  {
    status("String Abstraction");
    string_abstraction(
        context,
        get_message_handler(),
        goto_functions);
  }  

  goto_functions.compute_location_numbers();

  #if 0
  // obsoleted by goto_check
  if(cmdline.isset("pointer-check") ||
      cmdline.isset("show-value-sets"))
  {
    status("Pointer Analysis");
    value_set_analysist value_set_analysis(ns);
    value_set_analysis(goto_functions);

    // show it?
    if(cmdline.isset("show-value-sets"))
    {
      show_value_sets(get_ui(), goto_functions, value_set_analysis);
      return 0;
    }

    if(cmdline.isset("pointer-check"))
    {
      status("Adding Pointer Checks");

      // add pointer checks
      pointer_checks(
          goto_functions, context, options, value_set_analysis);
    }
  }
  #endif

  goto_functions.compute_location_numbers();

  // label claims
  label_claims(goto_functions);

  // set claim
  if(cmdline.isset("claim"))
    set_claims(
        goto_functions,
        cmdline.get_values("claim"));

  // reachability slice?
  if(!cmdline.isset("no-slicing"))
    reachability_slicer(goto_functions);

  // show it?

  if(cmdline.isset("show-final-program"))
  {
    goto_functions.output(ns, std::cout);
    return 0;
  }

  return -1; // proceed!
}
Ejemplo n.º 3
0
bool cbmc_parseoptionst::get_goto_program(
  const optionst &options,
  bmct &bmc,
  goto_functionst &goto_functions)
{
  if(cmdline.args.size()==0)
  {
    error("Please provide a program to verify");
    return true;
  }

  try
  {
    if(cmdline.args.size()==1 &&
       is_goto_binary(cmdline.args[0]))
    {
      status("Reading GOTO program from file");

      if(read_goto_binary(cmdline.args[0],
           context, goto_functions, get_message_handler()))
        return true;
        
      config.ansi_c.set_from_context(context);

      if(cmdline.isset("show-symbol-table"))
      {
        show_symbol_table();
        return true;
      }
      
      if(context.symbols.find(ID_main)==context.symbols.end())
      {
        error("The goto binary has no entry point; please complete linking");
        return true;
      }
    }
    else
    {
      if(parse()) return true;
      if(typecheck()) return true;
      if(get_modules(bmc)) return true;    
      if(final()) return true;

      // we no longer need any parse trees or language files
      clear_parse();

      if(cmdline.isset("show-symbol-table"))
      {
        show_symbol_table();
        return true;
      }

      if(context.symbols.find(ID_main)==context.symbols.end())
      {
        error("No entry point; please provide a main function");
        return true;
      }

      status("Generating GOTO Program");

      goto_convert(
        context, options, goto_functions,
        ui_message_handler);
    }

    // finally add the library
    status("Adding CPROVER library");      
    link_to_library(
      context, goto_functions, options, ui_message_handler);

    if(process_goto_program(options, goto_functions))
      return true;
  }

  catch(const char *e)
  {
    error(e);
    return true;
  }

  catch(const std::string e)
  {
    error(e);
    return true;
  }
  
  catch(int)
  {
    return true;
  }
  
  catch(std::bad_alloc)
  {
    error("Out of memory");
    return true;
  }
  
  return false;
}
Ejemplo n.º 4
0
Archivo: prepare.cpp Proyecto: olivo/BP
int preparet::doit()
{
  register_languages();
  
  try
  {
    // do we have a goto binary?
    if(cmdline.args.size()==1 &&
       is_goto_binary(cmdline.args[0]))
    {
      status("Reading GOTO program from file");

      if(read_goto_binary(cmdline.args[0],
           context, goto_functions,
           get_message_handler()))
        return 1;
        
      config.ansi_c.set_from_context(context);
    }
    else
    {
      //
      // parsing
      //
       
      if(parse()) return 1;
       
      //
      // type checking
      //
       
      if(typecheck()) return 1;
       
      //
      // final adjustments
      //
       
      if(final()) return 1;
    }
    
    {
      int return_value_get_sync_modules=get_sync_modules();
      if(return_value_get_sync_modules>=0)
        return return_value_get_sync_modules;
    }
    
    {
      int return_value_get_async_modules=get_async_modules();
      if(return_value_get_async_modules>=0)
        return return_value_get_async_modules;
    }
      
    // we no longer need any parse trees or language files
    clear_parse();
     
    // finally add the library
    status("Adding CPROVER library");      
    link_to_library(
      context, goto_functions, options, get_message_handler());

    if(cmdline.isset("show-claims"))
    {
      show_claims(ns, get_ui(), goto_functions);
      return 0;
    }

    // get the user provided predicates

    if(cmdline.isset("predicates"))
      get_predicates(
        cmdline.getval("predicates"),
        get_message_handler(),
        ns,
        user_provided_predicates);
  }

  catch(const char *e)
  {
    error(e);
    return 1;
  }

  catch(const std::string e)
  {
    error(e);
    return 1;
  }
  
  catch(int)
  {
    return 1;
  }
  
  return -1; // proceed!
}
Ejemplo n.º 5
0
int cbmc_parse_optionst::get_goto_program(
  const optionst &options,
  bmct &bmc, // for get_modules
  goto_functionst &goto_functions)
{
  if(cmdline.args.empty())
  {
    error() << "Please provide a program to verify" << eom;
    return 6;
  }

  try
  {
    if(cmdline.isset("show-parse-tree"))
    {
      if(cmdline.args.size()!=1 ||
         is_goto_binary(cmdline.args[0]))
      {
        error() << "Please give exactly one source file" << eom;
        return 6;
      }
      
      std::string filename=cmdline.args[0];
      
      #ifdef _MSC_VER
      std::ifstream infile(widen(filename).c_str());
      #else
      std::ifstream infile(filename.c_str());
      #endif
                
      if(!infile)
      {
        error() << "failed to open input file `" << filename << "'" << eom;
        return 6;
      }
                              
      languaget *language=get_language_from_filename(filename);
      
      if(language==NULL)
      {
        error() << "failed to figure out type of file `" <<  filename << "'" << eom;
        return 6;
      }
      
      language->set_message_handler(get_message_handler());
                                                                
      status("Parsing", filename);
  
      if(language->parse(infile, filename))
      {
        error() << "PARSING ERROR" << eom;
        return 6;
      }
      
      language->show_parse(std::cout);
      return 0;
    }

    cmdlinet::argst binaries;
    binaries.reserve(cmdline.args.size());

    for(cmdlinet::argst::iterator
        it=cmdline.args.begin();
        it!=cmdline.args.end();
        ) // no ++it
    {
      if(is_goto_binary(*it))
      {
        binaries.push_back(*it);
        it=cmdline.args.erase(it);
        continue;
      }

      ++it;
    }

    if(!cmdline.args.empty())
    {
      if(parse()) return 6;
      if(typecheck()) return 6;
      int get_modules_ret=get_modules(bmc);
      if(get_modules_ret!=-1) return get_modules_ret;
      if(binaries.empty() && final()) return 6;

      // we no longer need any parse trees or language files
      clear_parse();
    }

    for(cmdlinet::argst::const_iterator
        it=binaries.begin();
        it!=binaries.end();
        ++it)
    {
      status() << "Reading GOTO program from file " << eom;

      if(read_object_and_link(*it, symbol_table, goto_functions, *this))
        return 6;
    }

    if(!binaries.empty())
      config.set_from_symbol_table(symbol_table);

    if(cmdline.isset("show-symbol-table"))
    {
      show_symbol_table();
      return 0;
    }

    if(entry_point(symbol_table, "main", get_message_handler()))
      return 6;

    status() << "Generating GOTO Program" << eom;

    goto_convert(symbol_table, goto_functions, ui_message_handler);

    if(process_goto_program(options, goto_functions))
      return 6;
  }

  catch(const char *e)
  {
    error() << e << eom;
    return 6;
  }

  catch(const std::string e)
  {
    error() << e << eom;
    return 6;
  }
  
  catch(int)
  {
    return 6;
  }
  
  catch(std::bad_alloc)
  {
    error() << "Out of memory" << eom;
    return 6;
  }
  
  return -1; // no error, continue
}