Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 8 times. MIP Presolve eliminated 270749 rows and 46998 columns. MIP Presolve modified 15241 coefficients. Aggregator did 2253 substitutions. Reduced MIP has 5451 rows, 2677 columns, and 17249 nonzeros. Presolve time = 1.40 sec. Clique table members: 3206. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.01 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2.71449e+08 4 -2.71449e+08 420 * 0+ 0 -2.71444e+08 -2.71449e+08 420 0.00% * 0+ 0 -2.71449e+08 -2.71449e+08 420 0.00% * 0+ 0 -2.71449e+08 -2.71449e+08 421 0.00% 0 0 cutoff -2.71449e+08 -2.71449e+08 421 0.00%