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-rw-r--r--Source/Provers/Simplify/ProverInterface.cs2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/Provers/Simplify/ProverInterface.cs b/Source/Provers/Simplify/ProverInterface.cs
index abe644ec..ed2402b1 100644
--- a/Source/Provers/Simplify/ProverInterface.cs
+++ b/Source/Provers/Simplify/ProverInterface.cs
@@ -587,7 +587,7 @@ namespace Microsoft.Boogie.Simplify {
}
}
[ContractClassFor(typeof(ProcessTheoremProver))]
- public class ProcessTheoremProverContracts :ProcessTheoremProver{
+ public abstract class ProcessTheoremProverContracts :ProcessTheoremProver{
protected override AxiomVCExprTranslator SpawnVCExprTranslator(ProverOptions p) {
Contract.Requires(p != null);
Contract.Ensures(Contract.Result<AxiomVCExprTranslator>() != null);