private void Prove(TypeSafeContext z3, TermAst p)
{
Console.WriteLine("To PROVE: {0}", z3.ToString(z3.MkNot(p)));
z3.AssertCnstr(z3.MkNot(p));
z3.Display(System.Console.Out);
TypeSafeModel model = null;
LBool result = z3.CheckAndGetModel(ref model);
switch (result)
{
case LBool.True:
Console.WriteLine("false");
model.Display(System.Console.Out);
model.Dispose();
break;
case LBool.False:
Console.WriteLine("true");
break;
case LBool.Undef:
Console.WriteLine("unknown");
break;
}
}
private TypeSafeContext CreateContext()
{
Config config = new Config();
config.SetParamValue("MODEL", "true");
TypeSafeContext z3 = new TypeSafeContext(config);
config.Dispose();
return z3;
}
private TypeSafeContext CreateContext()
{
Config config = new Config();
config.SetParamValue("MODEL", "true");
TypeSafeContext z3 = new TypeSafeContext(config);
config.Dispose();
return(z3);
}
private TermAst CreateQuantifedFormula1(TypeSafeContext z3)
{
var x = z3.MkConst("x", z3.MkIntType());
var y = z3.MkConst("y", z3.MkIntType());
var z = z3.MkConst("z", z3.MkIntType());
return
z3.MkForall(0, new TermAst[] { x, y }, new PatternAst[] { },
z3.MkImplies(
z3.MkEq(x, y),
z3.MkExists(0, new TermAst[] { z }, new PatternAst[] { },
z3.MkNot(z3.MkEq(x, z)))));
}
private TermAst CreateQuantifedFormula1(TypeSafeContext z3)
{
var x = z3.MkConst("x", z3.MkIntType());
var y = z3.MkConst("y", z3.MkIntType());
var z = z3.MkConst("z", z3.MkIntType());
return
(z3.MkForall(0, new TermAst[] { x, y }, new PatternAst[] { },
z3.MkImplies(
z3.MkEq(x, y),
z3.MkExists(0, new TermAst[] { z }, new PatternAst[] { },
z3.MkNot(z3.MkEq(x, z))))));
}
private TermAst CreateQuantifedFormula2(TypeSafeContext z3)
{
var x2 = z3.MkBound(2, z3.MkIntType());
var x1 = z3.MkBound(1, z3.MkIntType());
var y = z3.MkBound(0, z3.MkIntType());
var z = z3.MkBound(0, z3.MkIntType());
return
z3.MkForall(0, new PatternAst[] { }, new TypeAst[] { z3.MkIntType(), z3.MkIntType() }, new Symbol[] { z3.MkSymbol("x"), z3.MkSymbol("y") },
z3.MkImplies(
z3.MkEq(x1, y),
z3.MkExists(0, new PatternAst[] { }, new TypeAst[] { z3.MkIntType() }, new Symbol[] { z3.MkSymbol("z") },
z3.MkNot(z3.MkEq(x2, z)))));
}
private TermAst CreateQuantifedFormula2(TypeSafeContext z3)
{
var x2 = z3.MkBound(2, z3.MkIntType());
var x1 = z3.MkBound(1, z3.MkIntType());
var y = z3.MkBound(0, z3.MkIntType());
var z = z3.MkBound(0, z3.MkIntType());
return
(z3.MkForall(0, new PatternAst[] { }, new TypeAst[] { z3.MkIntType(), z3.MkIntType() }, new Symbol[] { z3.MkSymbol("x"), z3.MkSymbol("y") },
z3.MkImplies(
z3.MkEq(x1, y),
z3.MkExists(0, new PatternAst[] { }, new TypeAst[] { z3.MkIntType() }, new Symbol[] { z3.MkSymbol("z") },
z3.MkNot(z3.MkEq(x2, z))))));
}
private void Prove(TypeSafeContext z3, TermAst p)
{
Console.WriteLine("To PROVE: {0}", z3.ToString(z3.MkNot(p)));
z3.AssertCnstr(z3.MkNot(p));
z3.Display(System.Console.Out);
TypeSafeModel model = null;
LBool result = z3.CheckAndGetModel(ref model);
switch (result)
{
case LBool.True:
Console.WriteLine("false");
model.Display(System.Console.Out);
model.Dispose();
break;
case LBool.False:
Console.WriteLine("true");
break;
case LBool.Undef:
Console.WriteLine("unknown");
break;
}
}
