Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Presolve has eliminated 184195 rows and 35158 columns... Aggregator has done 1264 substitutions... Tried aggregator 8 times. MIP Presolve eliminated 194958 rows and 35450 columns. MIP Presolve modified 27283 coefficients. Aggregator did 1280 substitutions. Reduced MIP has 58087 rows, 11220 columns, and 231774 nonzeros. Presolve time = 5.77 sec. Clique table members: 10026. 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 -2927.7222 289 -2927.7222 1532 * 0+ 0 -2916.0000 -2927.7222 1532 0.40% * 0 0 integral 0 -2926.0000 Cuts: 464 1659 0.00% 0 0 cutoff -2926.0000 -2926.0000 1659 0.00% GUB cover cuts applied: 2 Clique cuts applied: 182 Cover cuts applied: 1 Implied bound cuts applied: 42 Zero-half cuts applied: 30 Gomory fractional cuts applied: 13 >>>>>>> Objval = -2926.000000 (int)-2926 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 -433.0000. Presolve has eliminated 184064 rows and 35043 columns... Aggregator has done 1214 substitutions... Tried aggregator 8 times. MIP Presolve eliminated 194283 rows and 35284 columns. MIP Presolve modified 26430 coefficients. Aggregator did 1230 substitutions. Reduced MIP has 58812 rows, 11436 columns, and 237929 nonzeros. Presolve time = 5.78 sec. Clique table members: 10062. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 5.20 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2876.0000 5 -433.0000 -2876.0000 4251 564.20% * 0+ 0 -2875.0000 -2876.0000 4251 0.03% 0 0 infeasible -2875.0000 Cuts: 7 4251 0.00% 0 0 cutoff -2875.0000 -2875.0000 4251 0.00% Elapsed time = 12.74 sec. (tree size = 0.00 MB, solutions = 2) Zero-half cuts applied: 2