code: package tack.ta.fischer7;
  
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.util.HashSet;
  
  import org.antlr.v4.runtime.ANTLRFileStream;
  import org.antlr.v4.runtime.ANTLRInputStream;
  import org.antlr.v4.runtime.CommonTokenStream;
  import org.junit.Test;
  
  import formulae.cltloc.CLTLocFormula;
  import formulae.mitli.MITLIFormula;
  import formulae.mitli.parser.MITLILexer;
  import formulae.mitli.parser.MITLIParser;
  import solvers.CLTLocsolver;
  import solvers.MITLIsolver;
  import ta.SystemDecl;
  import ta.parser.TALexer;
  import ta.parser.TAParser;
  import ta.visitors.TANetwork2CLTLoc;
  import tack.checker.SystemChecker;
  import zotrunner.ZotException;
  
  public class FischerTest {
  
  	@Test
  	public void test() throws IOException, ZotException {
  	
  		String path = ClassLoader.getSystemResource("tack/ta/fischer7/fischer_input_07.q").getPath();
  
  		ANTLRInputStream input = new ANTLRInputStream(new FileInputStream(path));
  		MITLILexer lexer = new MITLILexer(input);
  		CommonTokenStream tokens = new CommonTokenStream(lexer);
  		MITLIParser parser = new MITLIParser(tokens);
  		parser.setBuildParseTree(true);
  		MITLIFormula formula = parser.mitli().formula;
  		ANTLRInputStream tainput = new ANTLRFileStream(
  				ClassLoader.getSystemResource("tack/ta/fischer7/fischer_input_07.ta").getPath());
  		TALexer talexer = new TALexer(tainput);
  		CommonTokenStream tatokens = new CommonTokenStream(talexer);
  		TAParser taparser = new TAParser(tatokens);
  		taparser.setBuildParseTree(true);
  		SystemDecl system = taparser.ta().systemret;
  
  		SystemChecker checker = new SystemChecker(system, formula, 20, System.out);
  		boolean result = checker.check(null);
  
  		assertTrue(result);
  
  	}
  	
  	
  	
  	
  	@Test
  	public void testFormulaSatisfiable() throws IOException, ZotException {
  	
  		String path = ClassLoader.getSystemResource("tack/ta/fischer7/fischer_input_07.q").getPath();
  		ANTLRInputStream input = new ANTLRInputStream(new FileInputStream(path));
  		MITLILexer lexer = new MITLILexer(input);
  		CommonTokenStream tokens = new CommonTokenStream(lexer);
  		MITLIParser parser = new MITLIParser(tokens);
  		parser.setBuildParseTree(true);
  		MITLIFormula formula = parser.mitli().formula;
  
  		MITLIsolver solver=new MITLIsolver(formula, System.out, 20);
  		assertTrue(solver.solve());
  
  	}
  	
  	@Test
  	public void testModelSatisfiable() throws IOException, ZotException {
  
  
  		ANTLRInputStream tainput = new ANTLRFileStream(
  				ClassLoader.getSystemResource("tack/ta/fischer7/fischer_input_07.ta").getPath());
  		TALexer talexer = new TALexer(tainput);
  		CommonTokenStream tatokens = new CommonTokenStream(talexer);
  		TAParser taparser = new TAParser(tatokens);
  		taparser.setBuildParseTree(true);
  		SystemDecl system = taparser.ta().systemret;
  
  		System.out.println(system);
  		
  		TANetwork2CLTLoc converter=new TANetwork2CLTLoc();
  		CLTLocFormula res=converter.convert(system, new HashSet<>(), new HashSet<>());
  		
  		CLTLocsolver solver=new CLTLocsolver(res, System.out , 20);
  
  		assertTrue(solver.solve());
  
  	}
  	
  	
  
  }
  