Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 8 times. MIP Presolve eliminated 270936 rows and 47420 columns. MIP Presolve modified 16195 coefficients. Aggregator did 2232 substitutions. Reduced MIP has 5237 rows, 2276 columns, and 16616 nonzeros. Presolve time = 1.55 sec. Clique table members: 2660. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.01 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -547.0000 90 -547.0000 160 * 0+ 0 -546.0000 -547.0000 160 0.18% * 0 0 integral 0 -547.0000 Cuts: 29 166 0.00% 0 0 cutoff -547.0000 -547.0000 166 0.00% Clique cuts applied: 8 Implied bound cuts applied: 2 Zero-half cuts applied: 1 Gomory fractional cuts applied: 1 >>>>>>> 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 507.0000. Tried aggregator 6 times. MIP Presolve eliminated 270980 rows and 47449 columns. MIP Presolve modified 16150 coefficients. Aggregator did 2170 substitutions. Reduced MIP has 5255 rows, 2309 columns, and 16609 nonzeros. Presolve time = 1.47 sec. Clique table members: 2600. 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 45.0000 76 507.0000 45.0000 403 91.12% * 0+ 0 62.0000 45.0000 403 27.42% * 0+ 0 60.0000 45.0000 411 25.00% 0 0 cutoff 60.0000 45.0000 411 25.00% >>>>>>> Objval = 60.000000 (int)60 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 1418.0000. Tried aggregator 7 times. MIP Presolve eliminated 268724 rows and 46734 columns. MIP Presolve modified 16241 coefficients. Aggregator did 2008 substitutions. Reduced MIP has 7667 rows, 3186 columns, and 25636 nonzeros. Presolve time = 1.85 sec. Clique table members: 3285. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.06 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 634.7500 137 926.0000 634.7500 1007 31.45% * 0+ 0 682.0000 634.7500 1060 6.93% 0 0 cutoff 682.0000 634.7500 1060 6.93%