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 269204 rows and 46686 columns. MIP Presolve modified 14244 coefficients. Aggregator did 2233 substitutions. Reduced MIP has 7013 rows, 3009 columns, and 21876 nonzeros. Presolve time = 1.35 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 = 0.02 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2.71864e+08 2 -2.71864e+08 520 * 0+ 0 -2.71864e+08 -2.71864e+08 520 0.00% Repeating presolve. Tried aggregator 3 times. MIP Presolve eliminated 6972 rows and 2968 columns. MIP Presolve modified 10 coefficients. Aggregator did 41 substitutions. All rows and columns eliminated. Represolve time = -0.00 sec.