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/******************************************************************************
* Top contributors (to current version):
* Mudathir Mohamed, Daniel Larraz, Andrew Reynolds
*
* 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 Java API.
*/
import io.github.cvc5.*;
import io.github.cvc5.modes.*;
public class Parser
{
public static void main(String args[]) throws CVC5ApiException
{
TermManager tm = new TermManager();
Solver slv = new Solver(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 = new InputParser(slv);
String ss = "";
ss += "(set-logic QF_LIA)\n";
ss += "(declare-fun a () Int)\n";
ss += "(declare-fun b () Int)\n";
ss += "(declare-fun c () Int)\n";
ss += "(assert (> a (+ b c)))\n";
ss += "(assert (< a b))\n";
ss += "(assert (> c 0))\n";
parser.setStringInput(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;
}
System.out.println("Executing command " + cmd + ":");
// invoke the command on the solver and the symbol manager, print the result
// to standard output
System.out.println(cmd.invoke(slv, sm));
}
System.out.println("Finished parsing commands");
// now, check sat with the solver
Result r = slv.checkSat();
System.out.println("expected: unsat");
System.out.println("result: " + r);
}
}
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