Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Presolve has eliminated 191702 rows and 36259 columns... Aggregator has done 1396 substitutions... Tried aggregator 5 times. MIP Presolve eliminated 193433 rows and 36346 columns. MIP Presolve modified 19688 coefficients. Aggregator did 1396 substitutions. Reduced MIP has 50690 rows, 7856 columns, and 200326 nonzeros. Presolve time = 5.30 sec. Clique table members: 8434. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.40 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2777.0000 4 -2777.0000 133 * 0+ 0 -2776.0000 -2777.0000 133 0.04% Repeating presolve. Tried aggregator 4 times. MIP Presolve eliminated 50505 rows and 7671 columns. MIP Presolve modified 7 coefficients. Aggregator did 185 substitutions. All rows and columns eliminated. Represolve time = 0.06 sec.