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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Boogie;
using System.Diagnostics;
namespace GPUVerify
{
class CrossThreadInvariantProcessor : StandardVisitor
{
public override Expr VisitNAryExpr(NAryExpr node)
{
if (node.Fun is FunctionCall)
{
FunctionCall call = node.Fun as FunctionCall;
if (call.Func.Name.Equals("__uniform_bv32") || call.Func.Name.Equals("__uniform_bool"))
{
return Expr.Eq(new VariableDualiser(1).VisitExpr(node.Args[0].Clone() as Expr),
new VariableDualiser(2).VisitExpr(node.Args[0].Clone() as Expr));
}
if (call.Func.Name.Equals("__distinct_bv32") || call.Func.Name.Equals("__distinct_bool"))
{
return Expr.Neq(new VariableDualiser(1).VisitExpr(node.Args[0].Clone() as Expr),
new VariableDualiser(2).VisitExpr(node.Args[0].Clone() as Expr));
}
if (call.Func.Name.Equals("__all"))
{
return Expr.And(new VariableDualiser(1).VisitExpr(node.Args[0].Clone() as Expr),
new VariableDualiser(2).VisitExpr(node.Args[0].Clone() as Expr));
}
if (call.Func.Name.Equals("__at_most_one"))
{
return Expr.Not(Expr.And(new VariableDualiser(1).VisitExpr(node.Args[0].Clone() as Expr),
new VariableDualiser(2).VisitExpr(node.Args[0].Clone() as Expr)));
}
}
return base.VisitNAryExpr(node);
}
}
}
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