public static HashSet <VCExprVar> CollectBindings(QuantifierInstantiationEngine qiEngine, VCExpr vcExpr)
{
var bindingCollector = new BindingCollector(qiEngine);
bindingCollector.Traverse(vcExpr, true);
return(bindingCollector.bindings);
}
private VCExpr LetConvert(VCExpr vcExpr)
{
var bindings = BindingCollector.CollectBindings(this, vcExpr).ToList();
if (bindings.Count == 0)
{
return(vcExpr);
}
var rhss = new List <VCExprLetBinding>();
foreach (var binding in bindings)
{
rhss.Add(new VCExprLetBinding(binding, LetConvert(this.AugmentWithInstances(quantifierBinding[binding]))));
}
return(vcExprGen.Let(rhss, vcExpr));
}