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 271751 rows and 47630 columns. MIP Presolve modified 16173 coefficients. Aggregator did 2260 substitutions. Reduced MIP has 4399 rows, 2038 columns, and 14624 nonzeros. Presolve time = 1.44 sec. Clique table members: 2184. 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 -548.0000 32 -548.0000 178 * 0+ 0 -548.0000 -548.0000 178 0.00% 0 0 cutoff -548.0000 -548.0000 178 0.00% >>>>>>> Objval = -548.000000 (int)-548 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 1247.0000. Tried aggregator 6 times. MIP Presolve eliminated 270090 rows and 47032 columns. MIP Presolve modified 16800 coefficients. Aggregator did 2123 substitutions. Reduced MIP has 6195 rows, 2773 columns, and 19802 nonzeros. Presolve time = 1.50 sec. Clique table members: 3282. 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 -111.6250 112 1247.0000 -111.6250 512 108.95% 0 0 -86.5000 3 1247.0000 Cuts: 54 593 106.94% * 0+ 0 -86.0000 -86.5000 593 0.58% 0 0 cutoff -86.0000 -86.5000 593 0.58% Clique cuts applied: 20 Implied bound cuts applied: 6 Zero-half cuts applied: 5 Gomory fractional cuts applied: 3