SharePoint 2013 Workflow can't start

I setup and configure workflow manager 1.0 (SharePoint 2013 workflow). The status in central admin show connected. I was able to use SharePoint designer to create and publish workflow. When i try to run the workflow, i got an error. I check SharePoint log without any luck ,but when i check event view under

Applications and Services Logs -> Microsoft-Workflow-> Operation and i got error

Failed SQL command after 1 tries with error '229'. Exception: System.Data.SqlClient.SqlException (0x80131904): The EXECUTE permission was denied on the object 'InsertTrackingAndStatus', database 'WFInstanceManagementDB', schema 'dbo'.
   at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
   at System.Data.SqlClient.SqlCommand.CompleteAsyncExecuteReader()
   at System.Data.SqlClient.SqlCommand.EndExecuteNonQueryInternal(IAsyncResult asyncResult)
   at System.Data.SqlClient.SqlCommand.EndExecuteNonQuery(IAsyncResult asyncResult)
   at Microsoft.Workflow.Management.ExecuteNonQueryAsyncResult.OnEndExecuteSql(IAsyncResult result)
   at Microsoft.Workflow.Management.ExecuteSqlAsyncResult.EndAsyncResult(IAsyncResult result)
   at Microsoft.Workflow.Common.BackoffRetryAsyncResult.IsolateWithRetry(IAsyncResult result)
   at Microsoft.Workflow.Common.AsyncResult.AsyncCompletionWrapperCallback(IAsyncResult result)
ClientConnectionId:5b1469db-d187-4f8e-aa73-3482aa74a195  Command Details:   SQL Text          : InsertTrackingAndStatus
  SQL Parameters    :
    > @StatusRecords = Microsoft.Workflow.Management.SqlDataAccessProvider+InstanceStatusValuesCollection
    > @MetadataWithInstanceId = Microsoft.Workflow.Management.SqlDataAccessProvider+MetadataValuesWithInstanceIdCollection
    > @Variables = Microsoft.Workflow.Management.SqlDataAccessProvider+VariablesCollection
    > @TrackingRecords =
    > @StatusHistoryRecords =
    > @DebugTraceRecords = Microsoft.Workflow.Management.SqlDataAccessProvider+DebugTraceRecordValuesCollection
    > @RollingStatusHistoryWindowSize = 1000
    > @RollingDebugTraceWindowSize = 5000

I have the workflow service account owner permission to the WFResourceManagment and WFInstanceManagemnet database and it start working again. I don't think owner is needed ,but since this is a dev machine so i give owner to get thing moving.