Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Presolve has eliminated 183107 rows and 35141 columns... Aggregator has done 1252 substitutions... Tried aggregator 5 times. MIP Presolve eliminated 191526 rows and 35380 columns. MIP Presolve modified 23947 coefficients. Aggregator did 1262 substitutions. Reduced MIP has 61736 rows, 11308 columns, and 244363 nonzeros. Presolve time = 5.78 sec. Clique table members: 10607. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.74 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2926.8131 376 -2926.8131 2049 * 0+ 0 -2916.0000 -2926.8131 2049 0.37% * 0 0 integral 0 -2923.0000 Cuts: 760 2193 0.00% 0 0 cutoff -2923.0000 -2923.0000 2193 0.00% GUB cover cuts applied: 1 Clique cuts applied: 410 Cover cuts applied: 1 Implied bound cuts applied: 38 Zero-half cuts applied: 35 Gomory fractional cuts applied: 19 >>>>>>> Objval = -2923.000000 (int)-2923 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 -400.0000. Tried aggregator 5 times. Presolve has eliminated 190974 rows and 35220 columns... Aggregator has done 1212 substitutions... MIP Presolve eliminated 190974 rows and 35220 columns. MIP Presolve modified 23996 coefficients. Aggregator did 1212 substitutions. Reduced MIP has 62338 rows, 11518 columns, and 249926 nonzeros. Presolve time = 5.17 sec. Clique table members: 10662. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 4.75 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2902.0000 26 -400.0000 -2902.0000 4124 625.50% * 0+ 0 -2890.0000 -2902.0000 4304 0.42% 0 0 cutoff -2890.0000 -2902.0000 4304 0.42% Elapsed time = 10.84 sec. (tree size = 0.00 MB, solutions = 2)