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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Diagnostics;
using System.Windows.Forms;
using Microsoft.Boogie;
using System.Diagnostics.Contracts;
namespace GPUVerify
{
class GPUVerify
{
public static void Main(string[] args)
{
int showHelp = CommandLineOptions.Parse(args);
if (showHelp == -1)
{
CommandLineOptions.Usage();
System.Environment.Exit(0);
}
if (CommandLineOptions.inputFiles.Count < 1)
{
OnlyBoogie.ErrorWriteLine("*** Error: No input files were specified.");
Environment.Exit(1);
}
foreach (string file in CommandLineOptions.inputFiles)
{
string extension = Path.GetExtension(file);
if (extension != null)
{
extension = extension.ToLower();
}
if (extension != ".bpl")
{
OnlyBoogie.ErrorWriteLine("*** Error: '{0}': Filename extension '{1}' is not supported. Input files must be BoogiePL programs (.bpl).", file,
extension == null ? "" : extension);
Environment.Exit(1);
}
}
parseProcessOutput();
}
public static Program parse()
{
Program program = ParseBoogieProgram(CommandLineOptions.inputFiles, false);
if (program == null)
{
Environment.Exit(1);
}
int errorCount = program.Resolve();
if (errorCount != 0)
{
Console.WriteLine("{0} name resolution errors detected in {1}", errorCount, CommandLineOptions.inputFiles[CommandLineOptions.inputFiles.Count - 1]);
Environment.Exit(1);
}
errorCount = program.Typecheck();
if (errorCount != 0)
{
Console.WriteLine("{0} type checking errors detected in {1}", errorCount, CommandLineOptions.inputFiles[CommandLineOptions.inputFiles.Count - 1]);
Environment.Exit(1);
}
return program;
}
private static Variable findClonedVar(Variable v1, ICollection<Variable> vars)
{
foreach (Variable v2 in vars)
{
if (v1.Name.Equals(v2.Name))
{
return v2;
}
}
return null;
}
public static bool doit(string filename, Variable v, int a1, int a2)
{
Program newProgram = parse();
RaceInstrumenterBase ri = CommandLineOptions.SetEncoding ? (RaceInstrumenterBase)new SetEncodingRaceInstrumenter() : (RaceInstrumenterBase) new ElementEncodingRaceInstrumenter();
GPUVerifier newGp = new GPUVerifier(filename, newProgram, ri);
ri.setVerifier(newGp);
Variable newG = findClonedVar(v, newGp.NonLocalState.getGlobalVariables());
Variable newT = findClonedVar(v, newGp.NonLocalState.getTileStaticVariables());
Contract.Assert(newG == null || newT == null);
ri.NonLocalStateToCheck.getGlobalVariables().Clear();
ri.NonLocalStateToCheck.getTileStaticVariables().Clear();
ri.onlyLog1 = a1;
ri.onlyLog2 = a2;
if (newG != null)
{
ri.NonLocalStateToCheck.getGlobalVariables().Add(newG);
}
if (newT != null)
{
ri.NonLocalStateToCheck.getTileStaticVariables().Add(newT);
}
newGp.doit();
return !ri.failedToFindSecondAccess;
}
public static IList<GPUVerifier> parseProcessOutput()
{
string fn = "temp";
if (CommandLineOptions.outputFile != null)
{
fn = CommandLineOptions.outputFile;
}
Program program = parse();
IList<GPUVerifier> result = new List<GPUVerifier>();
GPUVerifier g = new GPUVerifier(fn, program, new NullRaceInstrumenter());
if (CommandLineOptions.DividedArray)
{
foreach (Variable v in g.NonLocalState.getAllNonLocalVariables())
{
if (CommandLineOptions.DividedAccesses)
{
int i = 0;
int j = 0;
while (true)
{
bool res = doit(fn + "." + v.Name + "." + i + "." + (i + j), v, i, j);
if (!res)
{
if (j == 0)
{
break;
}
else
{
i++;
j = 0;
}
}
else
{
j++;
}
}
}
else
{
doit("temp_" + v.Name + ".bpl", v, -1, -1);
}
}
}
else
{
if (!CommandLineOptions.OnlyDivergence)
{
RaceInstrumenterBase ri = CommandLineOptions.SetEncoding ? (RaceInstrumenterBase)new SetEncodingRaceInstrumenter() : (RaceInstrumenterBase)new ElementEncodingRaceInstrumenter();
ri.setVerifier(g);
g.setRaceInstrumenter(ri);
}
g.doit();
result.Add(g);
}
return result;
}
public static Program ParseBoogieProgram(List<string> fileNames, bool suppressTraceOutput)
{
Program program = null;
bool okay = true;
for (int fileId = 0; fileId < fileNames.Count; fileId++)
{
string bplFileName = fileNames[fileId];
Program programSnippet;
int errorCount;
try
{
var defines = new List<string>() { "FILE_" + fileId };
errorCount = Parser.Parse(bplFileName, defines, out programSnippet);
if (programSnippet == null || errorCount != 0)
{
OnlyBoogie.ErrorWriteLine("{0} parse errors detected in {1}", errorCount, bplFileName);
okay = false;
continue;
}
}
catch (IOException e)
{
OnlyBoogie.ErrorWriteLine("Error opening file \"{0}\": {1}", bplFileName, e.Message);
okay = false;
continue;
}
if (program == null)
{
program = programSnippet;
}
else if (programSnippet != null)
{
program.TopLevelDeclarations.AddRange(programSnippet.TopLevelDeclarations);
}
}
if (!okay)
{
return null;
}
else if (program == null)
{
return new Program();
}
else
{
return program;
}
}
}
}
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