Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 6 times. MIP Presolve eliminated 268396 rows and 46707 columns. MIP Presolve modified 15750 coefficients. Aggregator did 2176 substitutions. Reduced MIP has 7828 rows, 3045 columns, and 25082 nonzeros. Presolve time = 1.44 sec. Clique table members: 3527. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.03 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2.73309e+08 6 -2.73309e+08 541 * 0+ 0 -2.73309e+08 -2.73309e+08 541 0.00% Repeating presolve. Tried aggregator 5 times. MIP Presolve eliminated 7775 rows and 2992 columns. MIP Presolve modified 13 coefficients. Aggregator did 53 substitutions. All rows and columns eliminated. Represolve time = 0.01 sec.