Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Presolve has eliminated 183171 rows and 35145 columns... Aggregator has done 1260 substitutions... Tried aggregator 5 times. MIP Presolve eliminated 191536 rows and 35381 columns. MIP Presolve modified 23948 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61727 rows, 11308 columns, and 244321 nonzeros. Presolve time = 5.57 sec. Clique table members: 10610. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.78 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 192 -2928.2222 1557 * 0+ 0 -2919.0000 -2928.2222 1557 0.32% 0 0 -2927.0000 76 -2919.0000 Cuts: 366 1657 0.27% * 0+ 0 -2923.0000 -2927.0000 1657 0.14% * 0 0 integral 0 -2927.0000 Cuts: 26 1671 0.00% 0 0 cutoff -2927.0000 -2927.0000 1671 0.00% GUB cover cuts applied: 1 Clique cuts applied: 62 Cover cuts applied: 1 Implied bound cuts applied: 18 Zero-half cuts applied: 25 Gomory fractional cuts applied: 14 >>>>>>> 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 -488.0000. Presolve has eliminated 182590 rows and 35004 columns... Aggregator has done 1211 substitutions... Tried aggregator 5 times. MIP Presolve eliminated 190984 rows and 35221 columns. MIP Presolve modified 23994 coefficients. Aggregator did 1211 substitutions. Reduced MIP has 62329 rows, 11518 columns, and 249884 nonzeros. Presolve time = 5.40 sec. Clique table members: 10665. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 5.59 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap * 0 0 integral 0 -2908.0000 -2908.0000 4292 0.00% Elapsed time = 11.74 sec. (tree size = 0.00 MB, solutions = 2)