Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 5 times. Presolve has eliminated 191521 rows and 35380 columns... Aggregator has done 1261 substitutions... MIP Presolve eliminated 191521 rows and 35380 columns. MIP Presolve modified 23947 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61742 rows, 11309 columns, and 244382 nonzeros. Presolve time = 5.33 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 = 0.72 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 170 -2928.2222 1489 * 0+ 0 -2919.0000 -2928.2222 1489 0.32% 0 0 -2927.0000 74 -2919.0000 Cuts: 326 1549 0.27% * 0+ 0 -2927.0000 -2927.0000 1549 0.00% 0 0 cutoff -2927.0000 -2927.0000 1549 0.00% GUB cover cuts applied: 1 Clique cuts applied: 47 Implied bound cuts applied: 11 Zero-half cuts applied: 18 Gomory fractional cuts applied: 15 >>>>>>> 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 -426.0000. Presolve has eliminated 182520 rows and 35000 columns... Aggregator has done 1210 substitutions... Tried aggregator 5 times. MIP Presolve eliminated 190969 rows and 35220 columns. MIP Presolve modified 23994 coefficients. Aggregator did 1211 substitutions. Reduced MIP has 62344 rows, 11519 columns, and 249945 nonzeros. Presolve time = 5.60 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 = 4.61 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap * 0 0 integral 0 -2908.0000 -2908.0000 4268 0.00% Elapsed time = 10.92 sec. (tree size = 0.00 MB, solutions = 2)