fix missing removal of x in solve_mod

Z3Prover · Aug 17, 2022 · cb272bd · cb272bd
1 parent b3f4d3f
commit cb272bd
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/math/simplex/model_based_opt.cpp b/src/math/simplex/model_based_opt.cpp
@@ -1256,6 +1256,8 @@ namespace opt {
 
         for (unsigned ri : mod_rows) {
             rational a = get_coefficient(ri, x);
+            replace_var(ri, x, rational::zero());
+
             // add w = b mod K
             vector<var> coeffs = m_rows[ri].m_vars;
             rational coeff = m_rows[ri].m_coeff;