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 191289 rows and 35305 columns... Aggregator has done 1265 substitutions... MIP Presolve eliminated 191289 rows and 35305 columns. MIP Presolve modified 23973 coefficients. Aggregator did 1265 substitutions. Reduced MIP has 61970 rows, 11380 columns, and 245156 nonzeros. Presolve time = 5.28 sec. Clique table members: 10654. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.95 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2926.6222 356 -2926.6222 2211 * 0+ 0 -2914.0000 -2926.6222 2211 0.43% * 0 0 integral 0 -2919.0000 Cuts: 457 2314 0.00% 0 0 cutoff -2919.0000 -2919.0000 2314 0.00% GUB cover cuts applied: 1 Clique cuts applied: 179 Implied bound cuts applied: 29 Zero-half cuts applied: 32 Gomory fractional cuts applied: 14 >>>>>>> Objval = -2919.000000 (int)-2919 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 -328.0000. Presolve has eliminated 182267 rows and 34924 columns... Aggregator has done 1205 substitutions... Tried aggregator 5 times. MIP Presolve eliminated 190737 rows and 35145 columns. MIP Presolve modified 24016 coefficients. Aggregator did 1215 substitutions. Reduced MIP has 62572 rows, 11590 columns, and 250717 nonzeros. Presolve time = 5.75 sec. Clique table members: 10709. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 5.08 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2871.2500 154 -328.0000 -2871.2500 2478 775.38% * 0 0 integral 0 -2760.0000 Cuts: 58 3712 0.00% 0 0 cutoff -2760.0000 -2760.0000 3712 0.00% Elapsed time = 12.30 sec. (tree size = 0.00 MB, solutions = 2) Clique cuts applied: 16 Implied bound cuts applied: 4 Zero-half cuts applied: 2 Gomory fractional cuts applied: 2