public void TestCompositionOfGetTags()
{
STBuilderZ3 stb = new STBuilderZ3(new Z3Provider(BitWidth.BV16));
STz3 D = MkGetTags(stb, stb.Solver.IntSort);
STz3 DD = D + D;
//DD.ShowGraph();
//check that D and DD are eqivalent up to depth 6
var w = D.Diff(DD, 6);
Assert.IsNull(w);
}