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;
}
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;
}
int symex_parse_optionst::doit()
{
if(cmdline.isset("version"))
{
std::cout << CBMC_VERSION << std::endl;
return 0;
}
register_language(new_ansi_c_language);
register_language(new_cpp_language);
register_language(new_java_bytecode_language);
//
// command line options
//
optionst options;
get_command_line_options(options);
eval_verbosity();
goto_model.set_message_handler(get_message_handler());
if(goto_model(cmdline.args))
return 6;
if(process_goto_program(options))
return 6;
label_properties(goto_model);
if(cmdline.isset("show-properties"))
{
show_properties(goto_model, get_ui());
return 0;
}
if(set_properties())
return 7;
if(cmdline.isset("show-locs"))
{
const namespacet ns(goto_model.symbol_table);
locst locs(ns);
locs.build(goto_model.goto_functions);
locs.output(std::cout);
return 0;
}
// do actual Symex
try
{
const namespacet ns(goto_model.symbol_table);
path_searcht path_search(ns);
path_search.set_message_handler(get_message_handler());
if(cmdline.isset("depth"))
path_search.set_depth_limit(unsafe_string2unsigned(cmdline.get_value("depth")));
if(cmdline.isset("context-bound"))
path_search.set_context_bound(unsafe_string2unsigned(cmdline.get_value("context-bound")));
if(cmdline.isset("branch-bound"))
path_search.set_branch_bound(unsafe_string2unsigned(cmdline.get_value("branch-bound")));
if(cmdline.isset("unwind"))
path_search.set_unwind_limit(unsafe_string2unsigned(cmdline.get_value("unwind")));
if(cmdline.isset("dfs"))
path_search.set_dfs();
if(cmdline.isset("bfs"))
path_search.set_bfs();
if(cmdline.isset("locs"))
path_search.set_locs();
if(cmdline.isset("show-vcc"))
{
path_search.show_vcc=true;
path_search(goto_model.goto_functions);
return 0;
}
path_search.eager_infeasibility=
cmdline.isset("eager-infeasibility");
if(cmdline.isset("cover"))
{
// test-suite generation
path_search(goto_model.goto_functions);
report_cover(path_search.property_map);
return 0;
}
else
{
// do actual symex, for assertion checking
switch(path_search(goto_model.goto_functions))
{
case safety_checkert::SAFE:
report_properties(path_search.property_map);
report_success();
return 0;
case safety_checkert::UNSAFE:
report_properties(path_search.property_map);
report_failure();
return 10;
default:
return 8;
}
}
}
catch(const std::string error_msg)
{
error() << error_msg << messaget::eom;
return 8;
}
catch(const char *error_msg)
{
error() << error_msg << messaget::eom;
return 8;
}
#if 0
// let's log some more statistics
debug() << "Memory consumption:" << messaget::endl;
memory_info(debug());
debug() << eom;
#endif
}
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
}