private void attachEnsures(Implementation impl)
{
List <Variable> functionInterfaceVars = new List <Variable>();
foreach (Variable v in BoogieUtil.GetGlobalVariables(vcgen.program))
{
functionInterfaceVars.Add(new Formal(Token.NoToken, new TypedIdent(Token.NoToken, "", v.TypedIdent.Type), true));
}
foreach (Variable v in impl.InParams)
{
functionInterfaceVars.Add(new Formal(Token.NoToken, new TypedIdent(Token.NoToken, "", v.TypedIdent.Type), true));
}
foreach (Variable v in impl.OutParams)
{
functionInterfaceVars.Add(new Formal(Token.NoToken, new TypedIdent(Token.NoToken, "", v.TypedIdent.Type), true));
}
foreach (IdentifierExpr e in impl.Proc.Modifies)
{
if (e.Decl == null)
{
continue;
}
functionInterfaceVars.Add(new Formal(Token.NoToken, new TypedIdent(Token.NoToken, "", e.Decl.TypedIdent.Type), true));
}
Formal returnVar = new Formal(Token.NoToken, new TypedIdent(Token.NoToken, "", Bpl.Type.Bool), false);
var function = new Function(Token.NoToken, impl.Name + summaryPredSuffix, functionInterfaceVars, returnVar);
prover.Context.DeclareFunction(function, "");
List <Expr> exprs = new List <Expr>();
foreach (Variable v in BoogieUtil.GetGlobalVariables(vcgen.program))
{
Contract.Assert(v != null);
exprs.Add(new OldExpr(Token.NoToken, new IdentifierExpr(Token.NoToken, v)));
}
foreach (Variable v in impl.Proc.InParams)
{
Contract.Assert(v != null);
exprs.Add(new IdentifierExpr(Token.NoToken, v));
}
foreach (Variable v in impl.Proc.OutParams)
{
Contract.Assert(v != null);
exprs.Add(new IdentifierExpr(Token.NoToken, v));
}
foreach (IdentifierExpr ie in impl.Proc.Modifies)
{
Contract.Assert(ie != null);
if (ie.Decl == null)
{
continue;
}
exprs.Add(ie);
}
Expr postExpr = new NAryExpr(Token.NoToken, new FunctionCall(function), exprs);
impl.Proc.Ensures.Add(
new Ensures(Token.NoToken, false, postExpr, ""));
}
private static void initialize(Program program, ErrorTrace trace, string filename)
{
// Initialization
fileName = filename == null ? "null" : filename;
nameImplMap = BoogieUtil.nameImplMapping(program);
events = new List <Event>();
threadStacks = new Dictionary <int, List <WorkItem> >();
tidCounter = 0;
varNamesChanged = false;
varNameMap = new Dictionary <string, string>();
var globals = BoogieUtil.GetGlobalVariables(program);
globals.Iter(g => varNameMap.Add(g.Name + "__0", g.Name));
}
