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 267030 rows and 47019 columns. MIP Presolve modified 14559 coefficients. Aggregator did 2207 substitutions. Reduced MIP has 9174 rows, 2702 columns, and 28546 nonzeros. Presolve time = 2.39 sec. Clique table members: 3692. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.03 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -547.0000 191 -547.0000 313 * 0+ 0 -547.0000 -547.0000 313 0.00% 0 0 cutoff -547.0000 -547.0000 313 0.00% >>>>>>> Objval = -547.000000 (int)-547 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 425.0000. Tried aggregator 6 times. MIP Presolve eliminated 264220 rows and 46569 columns. MIP Presolve modified 14054 coefficients. Aggregator did 1993 substitutions. Reduced MIP has 12198 rows, 3366 columns, and 38719 nonzeros. Presolve time = 2.60 sec. Clique table members: 4804. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.11 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -404.5000 17 425.0000 -404.5000 700 195.18% * 0+ 0 -400.0000 -404.5000 700 1.12% 0 0 cutoff -400.0000 Cuts: 10 707 0.00% 0 0 cutoff -400.0000 -400.0000 707 0.00% Zero-half cuts applied: 2 Gomory fractional cuts applied: 1