Example #1
0
bool symex_parseoptionst::process_goto_program(
  const optionst &options,
  goto_functionst &goto_functions)
{
  try
  {
    namespacet ns(symbol_table);

    // do partial inlining
    status() << "Partial Inlining" << eom;
    goto_partial_inline(goto_functions, ns, ui_message_handler);

    // add generic checks
    status() << "Generic Property Instrumentation" << eom;
    goto_check(ns, options, goto_functions);

    // recalculate numbers, etc.
    goto_functions.update();

    // add loop ids
    goto_functions.compute_loop_numbers();

    // if we aim to cover, replace
    // all assertions by false to prevent simplification

    if(cmdline.isset("cover-assertions"))
      make_assertions_false(goto_functions);

    // show it?
    if(cmdline.isset("show-loops"))
    {
      show_loop_ids(get_ui(), goto_functions);
      return true;
    }

    // show it?
    if(cmdline.isset("show-goto-functions"))
    {
      goto_functions.output(ns, std::cout);
      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;
}
bool cbmc_parseoptionst::process_goto_program(
  const optionst &options,
  goto_functionst &goto_functions)
{
  try
  {
    namespacet ns(context);

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

    status("Function Pointer Removal");
    remove_function_pointers(ns, goto_functions,
      cmdline.isset("pointer-check"));

    status("Partial Inlining");
    // do partial inlining
    goto_partial_inline(goto_functions, ns, ui_message_handler);
    
    status("Generic Property Instrumentation");
    // 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);
    }

    // add failed symbols
    // needs to be done before pointer analysis
    add_failed_symbols(context);
    
    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 true;
      }

      status("Adding Pointer Checks");

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

    // recalculate numbers, etc.
    goto_functions.update();

    // add loop ids
    goto_functions.compute_loop_numbers();
    
    // if we aim to cover, replace
    // all assertions by false to prevent simplification
    
    if(cmdline.isset("cover-assertions"))
      make_assertions_false(goto_functions);

    // show it?
    if(cmdline.isset("show-loops"))
    {
      show_loop_numbers(get_ui(), goto_functions);
      return true;
    }

    // show it?
    if(cmdline.isset("show-goto-functions"))
    {
      goto_functions.output(ns, std::cout);
      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;
}
Example #3
0
void make_assertions_false(goto_modelt &goto_model)
{
  make_assertions_false(goto_model.goto_functions);
}
Example #4
0
bool cbmc_parse_optionst::process_goto_program(
  const optionst &options,
  goto_functionst &goto_functions)
{
  try
  {
    namespacet ns(symbol_table);
    
    // Remove inline assembler; this needs to happen before
    // adding the library.
    remove_asm(symbol_table, goto_functions);

    // add the library
    status() << "Adding CPROVER library (" 
             << config.ansi_c.arch << ")" << eom;
    link_to_library(symbol_table, goto_functions, ui_message_handler);

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

    // remove function pointers
    status() << "Function Pointer Removal" << eom;
    remove_function_pointers(symbol_table, goto_functions,
      cmdline.isset("pointer-check"));

    // full slice?
    if(cmdline.isset("full-slice"))
    {
      status() << "Performing a full slice" << eom;
      full_slicer(goto_functions, ns);
    }
  
    // do partial inlining
    status() << "Partial Inlining" << eom;
    goto_partial_inline(goto_functions, ns, ui_message_handler);
    
    // remove returns, gcc vectors, complex
    remove_returns(symbol_table, goto_functions);
    remove_vector(symbol_table, goto_functions);
    remove_complex(symbol_table, goto_functions);
    
    // add generic checks
    status() << "Generic Property Instrumentation" << eom;
    goto_check(ns, options, goto_functions);
    
    if(cmdline.isset("string-abstraction"))
    {
      status() << "String Abstraction" << eom;
      string_abstraction(symbol_table,
        get_message_handler(), goto_functions);
    }

    // add failed symbols
    // needs to be done before pointer analysis
    add_failed_symbols(symbol_table);
    
    // recalculate numbers, etc.
    goto_functions.update();

    // add loop ids
    goto_functions.compute_loop_numbers();
    
    // if we aim to cover assertions, replace
    // all assertions by false to prevent simplification
    
    if(cmdline.isset("cover") &&
       cmdline.get_value("cover")=="assertions")
      make_assertions_false(goto_functions);

    // show it?
    if(cmdline.isset("show-loops"))
    {
      show_loop_ids(get_ui(), goto_functions);
      return true;
    }

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

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

  catch(const std::string e)
  {
    error() << e << eom;
    return true;
  }
  
  catch(int)
  {
    return true;
  }
  
  catch(std::bad_alloc)
  {
    error() << "Out of memory" << eom;
    return true;
  }
  
  return false;
}