Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 7 times. MIP Presolve eliminated 271010 rows and 47385 columns. MIP Presolve modified 14811 coefficients. Aggregator did 2320 substitutions. Reduced MIP has 5130 rows, 2223 columns, and 17246 nonzeros. Presolve time = 1.66 sec. Clique table members: 2446. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.02 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -546.0000 147 -546.0000 254 * 0+ 0 -545.0000 -546.0000 254 0.18% * 0 0 integral 0 -546.0000 Cuts: 69 270 0.00% 0 0 cutoff -546.0000 -546.0000 270 0.00% Clique cuts applied: 21 Implied bound cuts applied: 6 Zero-half cuts applied: 4 Gomory fractional cuts applied: 2 >>>>>>> Objval = -546.000000 (int)-546 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 1557.0000. Tried aggregator 8 times. MIP Presolve eliminated 269711 rows and 46900 columns. MIP Presolve modified 15071 coefficients. Aggregator did 2185 substitutions. Reduced MIP has 6561 rows, 2843 columns, and 22046 nonzeros. Presolve time = 1.54 sec. Clique table members: 3189. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.04 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 11.5167 203 1557.0000 11.5167 742 99.26% * 0+ 0 49.0000 11.5167 742 76.50% * 0 0 integral 0 42.0000 Cuts: 28 820 0.00% 0 0 cutoff 42.0000 42.0000 820 0.00% Clique cuts applied: 6 Implied bound cuts applied: 2 Zero-half cuts applied: 2 Gomory fractional cuts applied: 2