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/******************************************************************************
* Top contributors (to current version):
* Aina Niemetz
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2025 by the authors listed in the file AUTHORS
* in the top-level source directory and their institutional affiliations.
* All rights reserved. See the file COPYING in the top-level source
* directory for licensing information.
* ****************************************************************************
*
* A simple demonstration of using the parser via the C API.
*/
#include <assert.h>
#include <cvc5/c/cvc5.h>
#include <cvc5/c/cvc5_parser.h>
#include <stdio.h>
int main()
{
Cvc5TermManager* tm = cvc5_term_manager_new();
Cvc5* slv = cvc5_new(tm);
// set that we should print success after each successful command
cvc5_set_option(slv, "print-success", "true");
// construct an input parser associated the solver above
Cvc5InputParser* parser = cvc5_parser_new(slv, NULL);
cvc5_parser_set_str_input(
parser,
CVC5_INPUT_LANGUAGE_SMT_LIB_2_6,
"(set-logic QF_LIA)\n(declare-fun a () Int)\n(declare-fun b () "
"Int)\n(declare-fun c () Int)\n(assert (> a (+ b c)))\n(assert (< a "
"b))\n(assert (> c 0))\n",
"foo");
// get the symbol manager of the parser, used when invoking commands below
Cvc5SymbolManager* sm = cvc5_parser_get_sm(parser);
// parse commands until finished
Cvc5Command cmd;
do
{
const char* error_msg;
cmd = cvc5_parser_next_command(parser, &error_msg);
assert(error_msg == NULL);
if (cmd)
{
printf("Executing command %s:\n", cvc5_cmd_to_string(cmd));
// invoke the command on the solver and the symbol manager, print the
// result to stdout
printf("%s", cvc5_cmd_invoke(cmd, slv, sm));
}
} while (cmd);
printf("Finished parsing commands\n");
// now, check sat with the solver
Cvc5Result r = cvc5_check_sat(slv);
printf("expected: unsat\n");
printf("result: %s\n", cvc5_result_to_string(r));
cvc5_delete(slv);
cvc5_term_manager_delete(tm);
}
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