From d758a084971e67c963d67c1f008e15031af2a06a Mon Sep 17 00:00:00 2001
From: Lev Nachmanson <levnach@hotmail.com>
Date: Wed, 18 Mar 2020 16:12:34 -0700
Subject: [PATCH] do not create inf var

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
---
 src/math/lp/lar_solver.cpp | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/math/lp/lar_solver.cpp b/src/math/lp/lar_solver.cpp
index 3ece75d40..16953ee4f 100644
--- a/src/math/lp/lar_solver.cpp
+++ b/src/math/lp/lar_solver.cpp
@@ -2368,9 +2368,6 @@ std::pair<constraint_index, constraint_index> lar_solver::add_equality(lpvar j,
     coeffs.push_back(std::make_pair(mpq(1),j));
     coeffs.push_back(std::make_pair(mpq(-1),k));    
     unsigned term_index = add_term(coeffs, UINT_MAX); // UINT_MAX is the external null var
-    if (get_column_value(j) != get_column_value(k)) {
-        set_infeasible_column(map_term_index_to_column_index(term_index));
-    }
     return std::pair<constraint_index, constraint_index>(
         add_var_bound(term_index, lconstraint_kind::LE, mpq(0)),
         add_var_bound(term_index, lconstraint_kind::GE, mpq(0)));