blob: 3867a55b255f7beb7aba0bf3e424417b321ca023 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
//-----------------------------------------------------------------------------
//
// Copyright (C) Microsoft Corporation. All Rights Reserved.
//
//-----------------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics.Contracts;
using System.IO;
using System.Text.RegularExpressions;
namespace Microsoft.Boogie.SMTLib
{
class Z3
{
static string _proverPath;
static string CodebaseString()
{
Contract.Ensures(Contract.Result<string>() != null);
return Path.GetDirectoryName(cce.NonNull(System.Reflection.Assembly.GetExecutingAssembly().Location));
}
public static string Z3ExecutablePath()
{
if (_proverPath == null)
FindZ3Executable();
return _proverPath;
}
static void FindZ3Executable()
// throws ProverException, System.IO.FileNotFoundException;
{
Contract.Ensures(_proverPath != null);
var proverExe = "z3.exe";
if (_proverPath == null) {
// Initialize '_proverPath'
_proverPath = Path.Combine(CodebaseString(), proverExe);
string firstTry = _proverPath;
if (File.Exists(firstTry))
return;
string programFiles = Environment.GetEnvironmentVariable("ProgramFiles");
Contract.Assert(programFiles != null);
string programFilesX86 = Environment.GetEnvironmentVariable("ProgramFiles(x86)");
if (programFiles.Equals(programFilesX86)) {
// If both %ProgramFiles% and %ProgramFiles(x86)% point to "ProgramFiles (x86)", use %ProgramW6432% instead.
programFiles = Environment.GetEnvironmentVariable("ProgramW6432");
}
List<string> z3Dirs = new List<string>();
if (Directory.Exists(programFiles + @"\Microsoft Research\")) {
string msrDir = programFiles + @"\Microsoft Research\";
z3Dirs.AddRange(Directory.GetDirectories(msrDir, "Z3-*"));
}
if (Directory.Exists(programFilesX86 + @"\Microsoft Research\")) {
string msrDir = programFilesX86 + @"\Microsoft Research\";
z3Dirs.AddRange(Directory.GetDirectories(msrDir, "Z3-*"));
}
// Look for the most recent version of Z3.
int minor = 0, major = 0;
string winner = null;
Regex r = new Regex(@"^Z3-(\d+)\.(\d+)$");
foreach (string d in z3Dirs) {
string name = new DirectoryInfo(d).Name;
foreach (Match m in r.Matches(name)) {
int ma, mi;
ma = int.Parse(m.Groups[1].ToString());
mi = int.Parse(m.Groups[2].ToString());
if (major < ma || (major == ma && minor < mi)) {
major = ma;
minor = mi;
winner = d;
}
}
}
if (major == 0 && minor == 0) {
throw new ProverException("Cannot find executable: " + firstTry);
}
Contract.Assert(winner != null);
_proverPath = Path.Combine(Path.Combine(winner, "bin"), proverExe);
if (!File.Exists(_proverPath)) {
throw new ProverException("Cannot find prover: " + _proverPath);
}
if (CommandLineOptions.Clo.Trace) {
Console.WriteLine("[TRACE] Using prover: " + _proverPath);
}
}
}
}
}
|
