update core generation to be partial, update maxres to use current model too

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

src/sat/sat_config.cpp

@@ -105,6 +105,7 @@ namespace sat {
         }
         m_minimize_lemmas = p.minimize_lemmas();
         m_minimize_core   = p.minimize_core();
+        m_minimize_core_partial   = p.minimize_core_partial();
         m_optimize_model  = p.optimize_model();
         m_dyn_sub_res     = p.dyn_sub_res();
     }