diff --git a/src/api/dotnet/AST.cs b/src/api/dotnet/AST.cs
index d3b31a325..552fd6def 100644
--- a/src/api/dotnet/AST.cs
+++ b/src/api/dotnet/AST.cs
@@ -213,6 +213,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_inc_ref(ctx.nCtx, obj);
diff --git a/src/api/dotnet/ASTMap.cs b/src/api/dotnet/ASTMap.cs
index 9de3b8358..fa8070908 100644
--- a/src/api/dotnet/ASTMap.cs
+++ b/src/api/dotnet/ASTMap.cs
@@ -128,6 +128,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_ast_map_inc_ref(ctx.nCtx, obj);
diff --git a/src/api/dotnet/ASTVector.cs b/src/api/dotnet/ASTVector.cs
index bbba3de90..be5172f97 100644
--- a/src/api/dotnet/ASTVector.cs
+++ b/src/api/dotnet/ASTVector.cs
@@ -105,6 +105,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_ast_vector_inc_ref(ctx.nCtx, obj);
diff --git a/src/api/dotnet/ApplyResult.cs b/src/api/dotnet/ApplyResult.cs
index d64dccb4b..4ff8851af 100644
--- a/src/api/dotnet/ApplyResult.cs
+++ b/src/api/dotnet/ApplyResult.cs
@@ -85,6 +85,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_apply_result_inc_ref(ctx.nCtx, obj);
diff --git a/src/api/dotnet/Context.cs b/src/api/dotnet/Context.cs
index 65ec87bc6..94baea35a 100644
--- a/src/api/dotnet/Context.cs
+++ b/src/api/dotnet/Context.cs
@@ -4396,20 +4396,20 @@ namespace Microsoft.Z3
         }
 
         readonly private AST.DecRefQueue m_AST_DRQ = new AST.DecRefQueue();
-        readonly private ASTMap.DecRefQueue m_ASTMap_DRQ = new ASTMap.DecRefQueue();
-        readonly private ASTVector.DecRefQueue m_ASTVector_DRQ = new ASTVector.DecRefQueue();
-        readonly private ApplyResult.DecRefQueue m_ApplyResult_DRQ = new ApplyResult.DecRefQueue();
+        readonly private ASTMap.DecRefQueue m_ASTMap_DRQ = new ASTMap.DecRefQueue(10);
+        readonly private ASTVector.DecRefQueue m_ASTVector_DRQ = new ASTVector.DecRefQueue(10);
+        readonly private ApplyResult.DecRefQueue m_ApplyResult_DRQ = new ApplyResult.DecRefQueue(10);
         readonly private FuncInterp.Entry.DecRefQueue m_FuncEntry_DRQ = new FuncInterp.Entry.DecRefQueue();
         readonly private FuncInterp.DecRefQueue m_FuncInterp_DRQ = new FuncInterp.DecRefQueue();
-        readonly private Goal.DecRefQueue m_Goal_DRQ = new Goal.DecRefQueue();
-        readonly private Model.DecRefQueue m_Model_DRQ = new Model.DecRefQueue();
+        readonly private Goal.DecRefQueue m_Goal_DRQ = new Goal.DecRefQueue(10);
+        readonly private Model.DecRefQueue m_Model_DRQ = new Model.DecRefQueue(10);
         readonly private Params.DecRefQueue m_Params_DRQ = new Params.DecRefQueue();
         readonly private ParamDescrs.DecRefQueue m_ParamDescrs_DRQ = new ParamDescrs.DecRefQueue();
         readonly private Probe.DecRefQueue m_Probe_DRQ = new Probe.DecRefQueue();
-        readonly private Solver.DecRefQueue m_Solver_DRQ = new Solver.DecRefQueue();
-        readonly private Statistics.DecRefQueue m_Statistics_DRQ = new Statistics.DecRefQueue();
+        readonly private Solver.DecRefQueue m_Solver_DRQ = new Solver.DecRefQueue(10);
+        readonly private Statistics.DecRefQueue m_Statistics_DRQ = new Statistics.DecRefQueue(10);
         readonly private Tactic.DecRefQueue m_Tactic_DRQ = new Tactic.DecRefQueue();
-        readonly private Fixedpoint.DecRefQueue m_Fixedpoint_DRQ = new Fixedpoint.DecRefQueue();
+        readonly private Fixedpoint.DecRefQueue m_Fixedpoint_DRQ = new Fixedpoint.DecRefQueue(10);
 
         internal AST.DecRefQueue AST_DRQ { get { Contract.Ensures(Contract.Result<AST.DecRefQueue>() != null); return m_AST_DRQ; } }
         internal ASTMap.DecRefQueue ASTMap_DRQ { get { Contract.Ensures(Contract.Result<ASTMap.DecRefQueue>() != null); return m_ASTMap_DRQ; } }
diff --git a/src/api/dotnet/Fixedpoint.cs b/src/api/dotnet/Fixedpoint.cs
index 3f40b220b..37ae1b110 100644
--- a/src/api/dotnet/Fixedpoint.cs
+++ b/src/api/dotnet/Fixedpoint.cs
@@ -335,6 +335,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_fixedpoint_inc_ref(ctx.nCtx, obj);
diff --git a/src/api/dotnet/FuncInterp.cs b/src/api/dotnet/FuncInterp.cs
index a6628af28..488abb780 100644
--- a/src/api/dotnet/FuncInterp.cs
+++ b/src/api/dotnet/FuncInterp.cs
@@ -91,6 +91,8 @@ namespace Microsoft.Z3
 
             internal class DecRefQueue : IDecRefQueue
             {
+                public DecRefQueue() : base() { }
+                public DecRefQueue(uint move_limit) : base(move_limit) { }
                 public override void IncRef(Context ctx, IntPtr obj)
                 {
                     Native.Z3_func_entry_inc_ref(ctx.nCtx, obj);
@@ -197,6 +199,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_func_interp_inc_ref(ctx.nCtx, obj);
diff --git a/src/api/dotnet/Goal.cs b/src/api/dotnet/Goal.cs
index b108683c9..13c98f932 100644
--- a/src/api/dotnet/Goal.cs
+++ b/src/api/dotnet/Goal.cs
@@ -219,6 +219,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_goal_inc_ref(ctx.nCtx, obj);
diff --git a/src/api/dotnet/IDecRefQueue.cs b/src/api/dotnet/IDecRefQueue.cs
index d741a8f05..a69e28ff2 100644
--- a/src/api/dotnet/IDecRefQueue.cs
+++ b/src/api/dotnet/IDecRefQueue.cs
@@ -40,7 +40,12 @@ namespace Microsoft.Z3
 
         readonly internal protected Object m_lock = new Object();
         readonly internal protected List<IntPtr> m_queue = new List<IntPtr>();
-        internal const uint m_move_limit = 1024;
+        internal uint m_move_limit;
+
+        public IDecRefQueue(uint move_limit = 1024)
+        {
+            m_move_limit = move_limit;
+        }
 
         public abstract void IncRef(Context ctx, IntPtr obj);
         public abstract void DecRef(Context ctx, IntPtr obj);
diff --git a/src/api/dotnet/Model.cs b/src/api/dotnet/Model.cs
index 5c0bc24f8..9cff1e667 100644
--- a/src/api/dotnet/Model.cs
+++ b/src/api/dotnet/Model.cs
@@ -291,6 +291,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_model_inc_ref(ctx.nCtx, obj);
diff --git a/src/api/dotnet/ParamDescrs.cs b/src/api/dotnet/ParamDescrs.cs
index acfae1b85..a08e11859 100644
--- a/src/api/dotnet/ParamDescrs.cs
+++ b/src/api/dotnet/ParamDescrs.cs
@@ -87,6 +87,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_param_descrs_inc_ref(ctx.nCtx, obj);
diff --git a/src/api/dotnet/Params.cs b/src/api/dotnet/Params.cs
index 9a814b2ec..de2287af5 100644
--- a/src/api/dotnet/Params.cs
+++ b/src/api/dotnet/Params.cs
@@ -140,6 +140,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_params_inc_ref(ctx.nCtx, obj);
diff --git a/src/api/dotnet/Probe.cs b/src/api/dotnet/Probe.cs
index 1ae7ee064..e8907b294 100644
--- a/src/api/dotnet/Probe.cs
+++ b/src/api/dotnet/Probe.cs
@@ -73,6 +73,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_probe_inc_ref(ctx.nCtx, obj);
diff --git a/src/api/dotnet/Solver.cs b/src/api/dotnet/Solver.cs
index 9de515e86..2e12a5842 100644
--- a/src/api/dotnet/Solver.cs
+++ b/src/api/dotnet/Solver.cs
@@ -328,6 +328,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_solver_inc_ref(ctx.nCtx, obj);
diff --git a/src/api/dotnet/Statistics.cs b/src/api/dotnet/Statistics.cs
index 408995140..81240e2c0 100644
--- a/src/api/dotnet/Statistics.cs
+++ b/src/api/dotnet/Statistics.cs
@@ -189,6 +189,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_stats_inc_ref(ctx.nCtx, obj);
diff --git a/src/api/dotnet/Tactic.cs b/src/api/dotnet/Tactic.cs
index eb4ef085c..be79c2a43 100644
--- a/src/api/dotnet/Tactic.cs
+++ b/src/api/dotnet/Tactic.cs
@@ -114,6 +114,8 @@ namespace Microsoft.Z3
 
         internal class DecRefQueue : IDecRefQueue
         {
+            public DecRefQueue() : base() { }
+            public DecRefQueue(uint move_limit) : base(move_limit) { }
             public override void IncRef(Context ctx, IntPtr obj)
             {
                 Native.Z3_tactic_inc_ref(ctx.nCtx, obj);