track number of Gomory cuts

Author: NikolajBjorner

src/math/lp/lp_settings.h

@@ -115,6 +115,7 @@ struct statistics {
     unsigned m_hnf_cutter_calls;
     unsigned m_hnf_cuts;
     unsigned m_nla_calls;
+    unsigned m_gomory_cuts;
     unsigned m_nla_add_bounds;
     unsigned m_nla_propagate_bounds;
     unsigned m_nla_propagate_eq;
@@ -143,6 +144,7 @@ struct statistics {
         st.update("arith-patches-success", m_patches_success);
         st.update("arith-hnf-calls", m_hnf_cutter_calls);
         st.update("arith-hnf-cuts", m_hnf_cuts);
+        st.update("arith-gomory-cuts", m_gomory_cuts);
         st.update("arith-horner-calls", m_horner_calls);
         st.update("arith-horner-conflicts", m_horner_conflicts);
         st.update("arith-horner-cross-nested-forms", m_cross_nested_forms);