public override bool Visit(VCExprNAry node, bool arg)
{
Contract.Requires(node != null);
if (node.Op is VCExprStoreOp)
{
RegisterStore(node);
}
else if (node.Op is VCExprSelectOp)
{
RegisterSelect(node);
}
else
{
VCExprBoogieFunctionOp op = node.Op as VCExprBoogieFunctionOp;
if (op != null &&
!(op.Func is DatatypeConstructor) && !(op.Func is DatatypeMembership) && !(op.Func is DatatypeSelector) &&
!KnownFunctions.Contains(op.Func))
{
Function f = op.Func;
Contract.Assert(f != null);
var builtin = SMTLibExprLineariser.ExtractBuiltin(f);
if (builtin == null)
{
string printedName = Namer.GetQuotedName(f, f.Name);
Contract.Assert(printedName != null);
Contract.Assert(f.OutParams.Count == 1);
var argTypes = f.InParams.Cast <Variable>().MapConcat(p => TypeToStringReg(p.TypedIdent.Type), " ");
string decl;
if (RegisteredRelations.Contains(op.Func))
{
decl = "(declare-rel " + printedName + " (" + argTypes + ") " + ")";
}
else
{
decl = "(declare-fun " + printedName + " (" + argTypes + ") " + TypeToStringReg(f.OutParams[0].TypedIdent.Type) + ")";
}
AddDeclaration(decl);
}
KnownFunctions.Add(f);
}
else
{
var lab = node.Op as VCExprLabelOp;
if (lab != null && !KnownLBL.Contains(lab.label))
{
KnownLBL.Add(lab.label);
var name = SMTLibNamer.QuoteId(SMTLibNamer.LabelVar(lab.label));
AddDeclaration("(declare-fun " + name + " () Bool)");
}
}
}
return(base.Visit(node, arg));
}
public override bool Visit(VCExprNAry node, bool arg)
{
Contract.Requires(node != null);
if (node.Op is VCExprStoreOp)
{
RegisterStore(node);
}
else if (node.Op is VCExprSelectOp)
{
RegisterSelect(node);
}
else if (node.Op is VCExprSoftOp)
{
var exprVar = node[0] as VCExprVar;
AddDeclaration(string.Format("(declare-fun {0} () Bool)", exprVar.Name));
AddDeclaration(string.Format("(assert-soft {0} :weight {1})", exprVar.Name, ((VCExprSoftOp)node.Op).Weight));
}
else if (node.Op.Equals(VCExpressionGenerator.NamedAssumeOp))
{
var exprVar = node[0] as VCExprVar;
AddDeclaration(string.Format("(declare-fun {0} () Bool)", exprVar.Name));
if (CommandLineOptions.Clo.PrintNecessaryAssumes)
{
AddDeclaration(string.Format("(assert (! {0} :named {1}))", exprVar.Name, "aux$$" + exprVar.Name));
}
}
else
{
VCExprBoogieFunctionOp op = node.Op as VCExprBoogieFunctionOp;
if (op != null &&
!(op.Func is DatatypeConstructor) && !(op.Func is DatatypeMembership) && !(op.Func is DatatypeSelector) &&
!KnownFunctions.Contains(op.Func))
{
Function f = op.Func;
Contract.Assert(f != null);
var builtin = SMTLibExprLineariser.ExtractBuiltin(f);
if (builtin == null)
{
string printedName = Namer.GetQuotedName(f, f.Name);
Contract.Assert(printedName != null);
Contract.Assert(f.OutParams.Count == 1);
var argTypes = f.InParams.Cast <Variable>().MapConcat(p => TypeToStringReg(p.TypedIdent.Type), " ");
string decl;
if (RegisteredRelations.Contains(op.Func))
{
decl = "(declare-rel " + printedName + " (" + argTypes + ") " + ")";
}
else
{
decl = "(declare-fun " + printedName + " (" + argTypes + ") " + TypeToStringReg(f.OutParams[0].TypedIdent.Type) + ")";
}
AddDeclaration(decl);
if (declHandler != null)
{
declHandler.FuncDecl(f);
}
}
KnownFunctions.Add(f);
}
else
{
var lab = node.Op as VCExprLabelOp;
if (lab != null && !KnownLBL.Contains(lab.label))
{
KnownLBL.Add(lab.label);
var name = SMTLibNamer.QuoteId(Namer.LabelVar(lab.label));
AddDeclaration("(declare-fun " + name + " () Bool)");
}
}
}
return(base.Visit(node, arg));
}