From 375e4e2678f3c9259ef4c0c5da4ee876a635c214 Mon Sep 17 00:00:00 2001
From: Rohith Nair <rohith.nair@tno.nl>
Date: Mon, 10 Apr 2017 18:55:54 +0200
Subject: [PATCH] Changed output classification of NaN residuals to "Bug" from
 "Problem"

---
 opm/autodiff/BlackoilModelBase_impl.hpp | 4 ++--
 opm/autodiff/BlackoilModelEbos.hpp      | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/opm/autodiff/BlackoilModelBase_impl.hpp b/opm/autodiff/BlackoilModelBase_impl.hpp
index 1d425f9c7..aa3106269 100644
--- a/opm/autodiff/BlackoilModelBase_impl.hpp
+++ b/opm/autodiff/BlackoilModelBase_impl.hpp
@@ -1815,7 +1815,7 @@ typedef Eigen::Array<double,
                 || (idx < np && std::isnan(well_flux_residual[idx]))) {
                 const auto msg = std::string("NaN residual for phase ") +  materialName(idx);
                 if (terminal_output_) {
-                    OpmLog::problem(msg);
+                    OpmLog::bug(msg);
                 }
                 OPM_THROW_NOLOG(Opm::NumericalProblem, msg);
             }
@@ -1894,7 +1894,7 @@ typedef Eigen::Array<double,
             if (std::isnan(well_flux_residual[idx])) {
                 const auto msg = std::string("NaN residual for phase ") +  materialName(idx);
                 if (terminal_output_) {
-                    OpmLog::problem(msg);
+                    OpmLog::bug(msg);
                 }
                 OPM_THROW_NOLOG(Opm::NumericalProblem, msg);
             }
diff --git a/opm/autodiff/BlackoilModelEbos.hpp b/opm/autodiff/BlackoilModelEbos.hpp
index 7f1ad28eb..1682cf9f7 100644
--- a/opm/autodiff/BlackoilModelEbos.hpp
+++ b/opm/autodiff/BlackoilModelEbos.hpp
@@ -1366,7 +1366,7 @@ namespace Opm {
             const size_t max_num_cells_faillog = 20;
             if (failed_cells_pb.size() > 0) {
                 std::stringstream errlog;
-                errlog << "Finding the dew point pressure failed for " << failed_cells_pb.size() << " cells [";
+                errlog << "Finding the bubble point pressure failed for " << failed_cells_pb.size() << " cells [";
                 errlog << failed_cells_pb[0];
                 const int max_elems = std::min(max_num_cells_faillog, failed_cells_pb.size());
                 for (int i = 1; i < max_elems; ++i) {
@@ -1390,7 +1390,7 @@ namespace Opm {
                     errlog << ", ...";
                 }
                 errlog << "]";
-                OpmLog::problem("pd numerical problem", errlog.str());
+                OpmLog::warning("pd numerical problem", errlog.str());
             }
 
             return simData;