Also write end row in MIP trace in case no solution is found (put "na" for best found)

Author: 0x17

gmscuopt.c

@@ -617,6 +617,21 @@ int main(int argc, char *argv[])
     }
     gmoCompleteSolution(gmo);
   }
+  else if (fp_mip_trace) // gmoModelStat(gmo) == gmoModelStat_NoSolutionReturned
+  {
+      double total_elapsed = (gevTimeJNow(gev) - context.tstart) * 3600.0 * 24.0;
+      if (gmoModelType(gmo) == gmoProc_mip && has_integer_vars)
+      {
+        status = cuOptGetSolutionBound(solution, &solution_bound);
+        if (status != CUOPT_SUCCESS)
+        {
+          printOut(gev, "Error getting solution bound: %d\n", status);
+          goto DONE;
+        }
+        gmoSetHeadnTail(gmo, gmoTmipbest, solution_bound);
+      }
+      mip_trace_line('E', 0, 0, total_elapsed, GMS_SV_NA, solution_bound);
+  }
   status = gmoUnloadSolutionLegacy(gmo);
   if (status) {
     printOut(gev, "Problems unloading solution\n");