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-rw-r--r--Source/Core/AbsyQuant.cs3
1 files changed, 1 insertions, 2 deletions
diff --git a/Source/Core/AbsyQuant.cs b/Source/Core/AbsyQuant.cs
index c5b7b317..e7783943 100644
--- a/Source/Core/AbsyQuant.cs
+++ b/Source/Core/AbsyQuant.cs
@@ -624,8 +624,7 @@ namespace Microsoft.Boogie {
static int SkolemIds = 0;
public static int GetNextSkolemId() {
- SkolemIds++;
- return SkolemIds;
+ return System.Threading.Interlocked.Increment(ref SkolemIds);
}
public readonly int SkolemId;