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z3/shell/main.cpp
Leonardo de Moura 68269c43a6 other components 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-02 11:48:48 -07:00

460 lines
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/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
main.cpp
Abstract:
Z3 command line tool.
Author:
Leonardo de Moura (leonardo) 2006-10-10.
Nikolaj Bjorner (nbjorner)
Revision History:
--*/
#include<iostream>
#include"memory_manager.h"
#include"trace.h"
#include"debug.h"
#include"util.h"
#include"pp.h"
#include"smtlib_frontend.h"
#include"z3_log_frontend.h"
#include"warning.h"
#include"version.h"
#include"datalog_frontend.h"
#include"dimacs_frontend.h"
#include"timeout.h"
#include"z3_exception.h"
#include"error_codes.h"
typedef enum { IN_UNSPECIFIED, IN_SMTLIB, IN_SMTLIB_2, IN_DATALOG, IN_DIMACS, IN_Z3_LOG } input_kind;
std::string g_aux_input_file;
char const * g_input_file = 0;
bool g_standard_input = false;
input_kind g_input_kind = IN_UNSPECIFIED;
front_end_params * g_front_end_params = 0;
bool g_display_statistics = false;
bool g_display_istatistics = false;
#ifdef _WINDOWS
#define OPT "/"
#else
#define OPT "-"
#endif
void error(const char * msg) {
std::cerr << "Error: " << msg << "\n";
std::cerr << "For usage information: z3 " << OPT << "h\n";
exit(ERR_CMD_LINE);
}
void display_usage() {
std::cout << "Z3 [version " << Z3_MAJOR_VERSION << "." << Z3_MINOR_VERSION << "]. (C) Copyright 2006 Microsoft Corp.\n";
std::cout << "Usage: z3 [options] [" << OPT << "file:]file\n";
std::cout << "\nInput format:\n";
std::cout << " " << OPT << "smt use parser for SMT input format.\n";
std::cout << " " << OPT << "smt2 use parser for SMT 2 input format.\n";
std::cout << " " << OPT << "dl use parser for Datalog input format.\n";
std::cout << " " << OPT << "dimacs use parser for DIMACS input format.\n";
std::cout << " " << OPT << "log use parser for Z3 log input format.\n";
std::cout << " " << OPT << "in read formula from standard input.\n";
std::cout << "\nMiscellaneous:\n";
std::cout << " " << OPT << "h, " << OPT << "? prints this message.\n";
std::cout << " " << OPT << "version prints version number of Z3.\n";
std::cout << " " << OPT << "v:level be verbose, where <level> is the verbosity level.\n";
std::cout << " " << OPT << "nw disable warning messages.\n";
std::cout << " " << OPT << "ini:file configuration file.\n";
std::cout << " " << OPT << "ini? display all available INI file parameters.\n";
std::cout << " --" << " all remaining arguments are assumed to be part of the input file name. This option allows Z3 to read files with strange names such as: -foo.smt2.\n";
std::cout << "\nResources:\n";
// timeout and memout are now available on Linux and OSX too.
std::cout << " " << OPT << "T:timeout set the timeout (in seconds).\n";
std::cout << " " << OPT << "t:timeout set the soft timeout (in seconds). It only kills the current query.\n";
std::cout << " " << OPT << "memory:Megabytes set a limit for virtual memory consumption.\n";
//
std::cout << "\nOutput:\n";
std::cout << " " << OPT << "st display statistics.\n";
std::cout << "\nSearch heuristics:\n";
std::cout << " " << OPT << "rs:num random seed.\n";
#if defined(Z3DEBUG) || defined(_TRACE)
std::cout << "\nDebugging support:\n";
#endif
#ifdef _TRACE
std::cout << " " << OPT << "tr:tag enable trace messages tagged with <tag>.\n";
#endif
#ifdef Z3DEBUG
std::cout << " " << OPT << "dbg:tag enable assertions tagged with <tag>.\n";
#endif
}
class extra_params : public datalog_params {
bool & m_statistics;
public:
extra_params():
m_statistics(g_display_statistics) {
}
virtual void register_params(ini_params & p) {
datalog_params::register_params(p);
p.register_bool_param("STATISTICS", m_statistics, "display statistics");
}
};
ini_params* g_params = 0;
extra_params* g_extra_params = 0;
bool g_params_initialized = false;
void init_params() {
if (!g_params_initialized) {
z3_bound_num_procs();
g_front_end_params = new front_end_params();
g_params = new ini_params();
g_extra_params = new extra_params();
register_verbosity_level(*g_params);
register_warning(*g_params);
register_pp_params(*g_params);
g_front_end_params->register_params(*g_params);
g_extra_params->register_params(*g_params);
g_params_initialized = true;
}
}
void del_params() {
if (g_front_end_params != NULL)
g_front_end_params->close_trace_file();
delete g_extra_params;
delete g_params;
delete g_front_end_params;
g_extra_params = 0;
g_params = 0;
g_front_end_params = 0;
}
void read_ini_file(const char * file_name) {
std::ifstream in(file_name);
if (in.bad() || in.fail()) {
std::cerr << "Error: failed to open init file \"" << file_name << "\".\n";
exit(ERR_INI_FILE);
}
g_params->read_ini_file(in);
}
void display_ini_help() {
g_params->display_params(std::cout);
}
void display_config() {
if (g_front_end_params->m_display_config) {
display_ini_help();
}
}
void display_ini_doc() {
g_params->display_params_documentation(std::cout);
}
void parse_cmd_line_args(int argc, char ** argv) {
int i = 1;
char * eq_pos = 0;
while (i < argc) {
char * arg = argv[i];
if (arg[0] == '-' && arg[1] == '-' && arg[2] == 0) {
// Little hack used to read files with strange names such as -foo.smt2
// z3 -- -foo.smt2
i++;
g_aux_input_file = "";
for (; i < argc; i++) {
g_aux_input_file += argv[i];
if (i < argc - 1)
g_aux_input_file += " ";
}
if (g_front_end_params->m_interactive) {
warning_msg("ignoring input file in interactive mode.");
}
else if (g_input_file) {
warning_msg("input file was already specified.");
}
else {
g_input_file = g_aux_input_file.c_str();
}
break;
}
if (arg[0] == '-'
#ifdef _WINDOWS
|| arg[0] == '/'
#endif
) {
char * opt_name = arg + 1;
char * opt_arg = 0;
char * colon = strchr(arg, ':');
if (colon) {
opt_arg = colon + 1;
*colon = 0;
}
if (strcmp(opt_name, "h") == 0 || strcmp(opt_name, "?") == 0 || strcmp(opt_name, "help") == 0) {
display_usage();
exit(0);
}
if (strcmp(opt_name, "version") == 0) {
#ifdef _EXTERNAL_RELEASE
std::cout << "Z3 version " << Z3_MAJOR_VERSION << "." << Z3_MINOR_VERSION << "\n";
#else
std::cout
<< "Z3 version (major minor build revision): "
<< Z3_MAJOR_VERSION << " "
<< Z3_MINOR_VERSION << " "
<< Z3_BUILD_NUMBER << " "
<< Z3_REVISION_NUMBER << "\n";
#endif
exit(0);
}
else if (strcmp(opt_name, "smt") == 0) {
g_input_kind = IN_SMTLIB;
}
else if (strcmp(opt_name, "smt2") == 0) {
g_input_kind = IN_SMTLIB_2;
}
else if (strcmp(opt_name, "in") == 0) {
g_standard_input = true;
}
else if (strcmp(opt_name, "dimacs") == 0) {
g_input_kind = IN_DIMACS;
}
else if (strcmp(opt_name, "log") == 0) {
g_input_kind = IN_Z3_LOG;
}
else if (strcmp(opt_name, "st") == 0) {
g_display_statistics = true;
}
else if (strcmp(opt_name, "ist") == 0) {
g_display_istatistics = true;
}
else if (strcmp(opt_name, "v") == 0) {
if (!opt_arg)
error("option argument (/v:level) is missing.");
long lvl = strtol(opt_arg, 0, 10);
set_verbosity_level(lvl);
}
else if (strcmp(opt_name, "vldt") == 0) {
g_front_end_params->m_model_validate = true;
}
else if (strcmp(opt_name, "file") == 0) {
g_input_file = opt_arg;
}
else if (strcmp(opt_name, "r") == 0) {
if (!opt_arg) {
error("optional argument (/r:level) is missing.");
}
g_front_end_params->m_relevancy_lvl = strtol(opt_arg, 0, 10);
}
else if (strcmp(opt_name, "rd") == 0) {
if (!opt_arg) {
error("optional argument (/rd:num) is missing.");
}
g_front_end_params->m_random_var_freq = static_cast<double>(strtol(opt_arg, 0, 10)) / 100.0;
}
else if (strcmp(opt_name, "rs") == 0) {
if (!opt_arg) {
error("optional argument (/rs:num) is missing.");
}
long seed = strtol(opt_arg, 0, 10);
g_front_end_params->m_random_seed = seed;
g_front_end_params->m_arith_random_seed = seed;
}
else if (strcmp(opt_name, "T") == 0) {
if (!opt_arg)
error("option argument (/T:timeout) is missing.");
long tm = strtol(opt_arg, 0, 10);
set_timeout(tm * 1000);
}
else if (strcmp(opt_name, "t") == 0) {
if (!opt_arg)
error("option argument (/t:timeout) is missing.");
long tm = strtol(opt_arg, 0, 10);
g_front_end_params->m_soft_timeout = tm*1000;
}
else if (strcmp(opt_name, "nw") == 0) {
enable_warning_messages(false);
}
else if (strcmp(opt_name, "ini") == 0) {
if (!opt_arg)
error("option argument (/ini:file) is missing.");
read_ini_file(opt_arg);
}
else if (strcmp(opt_name, "ini?") == 0) {
display_ini_help();
exit(0);
}
else if (strcmp(opt_name, "geninidoc") == 0) {
display_ini_doc();
exit(0);
}
#ifdef _TRACE
else if (strcmp(opt_name, "tr") == 0) {
if (!opt_arg)
error("option argument (/tr:tag) is missing.");
enable_trace(opt_arg);
}
#endif
#ifdef Z3DEBUG
else if (strcmp(opt_name, "dbg") == 0) {
if (!opt_arg)
error("option argument (/dbg:tag) is missing.");
enable_debug(opt_arg);
}
#endif
else if (strcmp(opt_name, "memory") == 0) {
if (!opt_arg)
error("option argument (/memory:val) is missing.");
g_front_end_params->m_memory_high_watermark = strtoul(opt_arg, 0, 10);
}
else {
std::cerr << "Error: invalid command line option: " << arg << "\n";
std::cerr << "For usage information: z3 " << OPT << "h\n";
exit(ERR_CMD_LINE);
}
}
else if (argv[i][0] != '"' && (eq_pos = strchr(argv[i], '='))) {
char * key = argv[i];
*eq_pos = 0;
char * value = eq_pos+1;
g_params->set_param_value(key, value);
}
else {
if (g_front_end_params->m_interactive) {
warning_msg("ignoring input file in interactive mode.");
}
else if (g_input_file) {
warning_msg("input file was already specified.");
}
else {
g_input_file = arg;
}
}
i++;
}
}
char const * get_extension(char const * file_name) {
if (file_name == 0)
return 0;
char const * last_dot = 0;
for (;;) {
char const * tmp = strchr(file_name, '.');
if (tmp == 0) {
return last_dot;
}
last_dot = tmp + 1;
file_name = last_dot;
}
}
class global_state_initialiser {
public:
global_state_initialiser() {
memory::initialize(0);
#if defined(_WINDOWS) && defined(_Z3_BUILD_PARALLEL_SMT)
memory::mem->set_threaded_mode(true);
#endif
init_params();
}
void reset() {
del_params();
memory::finalize();
}
~global_state_initialiser() {
reset();
}
};
int main(int argc, char ** argv) {
try{
unsigned return_value = 0;
global_state_initialiser global_state;
memory::exit_when_out_of_memory(true, "ERROR: out of memory");
parse_cmd_line_args(argc, argv);
memory::set_high_watermark(static_cast<size_t>(g_front_end_params->m_memory_high_watermark) * 1024 * 1024);
memory::set_max_size(static_cast<size_t>(g_front_end_params->m_memory_max_size) * 1024 * 1024);
g_front_end_params->open_trace_file();
DEBUG_CODE(
if (g_front_end_params->m_copy_params != -1) {
g_front_end_params->copy_params(g_front_end_params->m_copy_params);
TRACE("copy_params", g_params->display_params(tout););
});
if (g_input_file && g_standard_input) {
error("using standard input to read formula.");
}
if (!g_input_file && !g_front_end_params->m_interactive && !g_standard_input) {
error("input file was not specified.");
}
if (g_input_kind == IN_UNSPECIFIED) {
g_input_kind = IN_SMTLIB;
char const * ext = get_extension(g_input_file);
if (ext) {
if (strcmp(ext, "datalog") == 0 || strcmp(ext, "dl") == 0) {
g_input_kind = IN_DATALOG;
}
else if (strcmp(ext, "dimacs") == 0 || strcmp(ext, "cnf") == 0) {
g_input_kind = IN_DIMACS;
}
else if (strcmp(ext, "log") == 0) {
g_input_kind = IN_Z3_LOG;
}
else if (strcmp(ext, "smt2") == 0) {
g_input_kind = IN_SMTLIB_2;
}
else if (strcmp(ext, "smt") == 0) {
g_input_kind = IN_SMTLIB;
}
}
}
switch (g_input_kind) {
case IN_SMTLIB:
return_value = read_smtlib_file(g_input_file, *g_front_end_params);
break;
case IN_SMTLIB_2:
memory::exit_when_out_of_memory(true, "(error \"out of memory\")");
return_value = read_smtlib2_commands(g_input_file, *g_front_end_params);
break;
case IN_DIMACS:
return_value = read_dimacs(g_input_file, *g_front_end_params);
break;
case IN_DATALOG:
read_datalog(g_input_file, *g_extra_params, *g_front_end_params);
break;
case IN_Z3_LOG:
replay_z3_log(g_input_file);
break;
default:
UNREACHABLE();
}
global_state.reset();
#ifdef _WINDOWS
_CrtDumpMemoryLeaks();
#endif
return return_value;
}
catch (z3_exception & ex) {
// unhandled exception
std::cerr << "ERROR: " << ex.msg() << "\n";
if (ex.has_error_code())
return ex.error_code();
else
return ERR_INTERNAL_FATAL;
}
}
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