Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Presolve has eliminated 183158 rows and 35145 columns... Aggregator has done 1260 substitutions... Tried aggregator 5 times. MIP Presolve eliminated 191523 rows and 35380 columns. MIP Presolve modified 23948 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61740 rows, 11309 columns, and 244376 nonzeros. Presolve time = 5.48 sec. Clique table members: 10608. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.80 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 169 -2928.2222 1520 * 0+ 0 -2919.0000 -2928.2222 1520 0.32% 0 0 -2927.0000 74 -2919.0000 Cuts: 315 1590 0.27% * 0+ 0 -2927.0000 -2927.0000 1590 0.00% 0 0 cutoff -2927.0000 -2927.0000 1590 0.00% GUB cover cuts applied: 1 Clique cuts applied: 44 Implied bound cuts applied: 11 Zero-half cuts applied: 17 Gomory fractional cuts applied: 11 >>>>>>> Objval = -2927.000000 (int)-2927 Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. MIP start values provide initial solution with objective -452.0000. Presolve has eliminated 182577 rows and 35004 columns... Aggregator has done 1210 substitutions... Tried aggregator 5 times. MIP Presolve eliminated 190971 rows and 35220 columns. MIP Presolve modified 23995 coefficients. Aggregator did 1211 substitutions. Reduced MIP has 62342 rows, 11519 columns, and 249939 nonzeros. Presolve time = 5.44 sec. Clique table members: 10663. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 5.31 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap * 0 0 integral 0 -2908.0000 -2908.0000 4440 0.00% Elapsed time = 11.47 sec. (tree size = 0.00 MB, solutions = 2)