Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 9 times. MIP Presolve eliminated 272478 rows and 47682 columns. MIP Presolve modified 14832 coefficients. Aggregator did 2412 substitutions. Reduced MIP has 3571 rows, 1834 columns, and 11756 nonzeros. Presolve time = 1.44 sec. Clique table members: 1950. 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 -543.0000 37 -543.0000 145 * 0+ 0 -543.0000 -543.0000 145 0.00% 0 0 cutoff -543.0000 -543.0000 145 0.00% >>>>>>> Objval = -543.000000 (int)-543 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 1758.0000. Tried aggregator 6 times. MIP Presolve eliminated 273710 rows and 48209 columns. MIP Presolve modified 15720 coefficients. Aggregator did 2449 substitutions. Reduced MIP has 2294 rows, 1270 columns, and 6679 nonzeros. Presolve time = 1.34 sec. Clique table members: 1591. 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 37.3750 128 1758.0000 37.3750 229 97.87% * 0+ 0 108.0000 37.3750 229 65.39% 0 0 69.2500 14 108.0000 Cuts: 160 302 35.88% * 0+ 0 71.0000 69.2500 302 2.46% 0 0 infeasible 71.0000 Cuts: 5 303 0.00% 0 0 cutoff 71.0000 71.0000 303 0.00% Clique cuts applied: 108 Implied bound cuts applied: 7 Zero-half cuts applied: 13 Gomory fractional cuts applied: 3