[antlr-interest] Why is ANTLR getting lost?

[Jon Schewe]

I've figured out that ANTLR is dying in the DFA when it's trying to 
determine which branch of the constraintDecl rule to follow.  Attached 
is the grammar, suggestions on how to resolve this are very welcome.

Test case is here:
  /**
   * @throws RecognitionException
   */
  @Test
  public void testConstraintDecl0() throws RecognitionException {
    final String data = "constraint3: 5.0 <= 6 + 6 * a[1 + 3] * c - 1 <= 
10.0;";

    final GHOCESLexer lexer = new GHOCESLexer(new ANTLRStringStream(data));
    final CommonTokenStream tokens = new CommonTokenStream(lexer);
    final GHOCESParser parser = new GHOCESParser(tokens);
    final GHOCESParser.constraintDecl_return r = parser.constraintDecl();
    Assert.assertNotNull(r);
  }

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