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/******************************************************************************
* Top contributors (to current version):
* Andrew Reynolds, 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 C++ API.
*/
#include <cvc5/cvc5.h>
#include <cvc5/cvc5_parser.h>
#include <iostream>
using namespace cvc5;
using namespace cvc5::parser;
int main()
{
TermManager tm;
Solver slv(tm);
// set that we should print success after each successful command
slv.setOption("print-success", "true");
// construct an input parser associated the solver above
InputParser parser(&slv);
std::stringstream ss;
ss << "(set-logic QF_LIA)" << std::endl;
ss << "(declare-fun a () Int)" << std::endl;
ss << "(declare-fun b () Int)" << std::endl;
ss << "(declare-fun c () Int)" << std::endl;
ss << "(assert (> a (+ b c)))" << std::endl;
ss << "(assert (< a b))" << std::endl;
ss << "(assert (> c 0))" << std::endl;
parser.setStreamInput(modes::InputLanguage::SMT_LIB_2_6, ss, "MyStream");
// get the symbol manager of the parser, used when invoking commands below
SymbolManager* sm = parser.getSymbolManager();
// parse commands until finished
Command cmd;
while (true)
{
cmd = parser.nextCommand();
if (cmd.isNull())
{
break;
}
std::cout << "Executing command " << cmd << ":" << std::endl;
// invoke the command on the solver and the symbol manager, print the result
// to std::cout
cmd.invoke(&slv, sm, std::cout);
}
std::cout << "Finished parsing commands" << std::endl;
// now, check sat with the solver
Result r = slv.checkSat();
std::cout << "expected: unsat" << std::endl;
std::cout << "result: " << r << std::endl;
}
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