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 269511 rows and 47233 columns. MIP Presolve modified 16208 coefficients. Aggregator did 2203 substitutions. Reduced MIP has 6688 rows, 2492 columns, and 22505 nonzeros. Presolve time = 1.50 sec. Clique table members: 2950. 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 -550.0000 130 -550.0000 306 * 0+ 0 -550.0000 -550.0000 306 0.00% 0 0 cutoff -550.0000 -550.0000 306 0.00% >>>>>>> Objval = -550.000000 (int)-550 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 1017.0000. Tried aggregator 8 times. MIP Presolve eliminated 273566 rows and 48339 columns. MIP Presolve modified 16457 coefficients. Aggregator did 2402 substitutions. Reduced MIP has 2438 rows, 1187 columns, and 6903 nonzeros. Presolve time = 1.48 sec. Clique table members: 1678. 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 -262.2500 146 1017.0000 -262.2500 242 125.79% * 0+ 0 -202.0000 -262.2500 242 29.83% 0 0 -226.5000 12 -202.0000 Cuts: 38 326 12.13% * 0+ 0 -226.0000 -226.5000 326 0.22% 0 0 cutoff -226.0000 -226.5000 326 0.22% Clique cuts applied: 7 Implied bound cuts applied: 3 Zero-half cuts applied: 5 Gomory fractional cuts applied: 3