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 269739 rows and 46932 columns. MIP Presolve modified 13860 coefficients. Aggregator did 2354 substitutions. Reduced MIP has 6368 rows, 2642 columns, and 21848 nonzeros. Presolve time = 1.52 sec. Clique table members: 2910. 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 -548.0000 128 -548.0000 378 * 0+ 0 -548.0000 -548.0000 378 0.00% 0 0 cutoff -548.0000 -548.0000 378 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 1331.0000. Tried aggregator 6 times. MIP Presolve eliminated 267695 rows and 46329 columns. MIP Presolve modified 14074 coefficients. Aggregator did 2192 substitutions. Reduced MIP has 8567 rows, 3407 columns, and 29151 nonzeros. Presolve time = 1.48 sec. Clique table members: 4343. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.04 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -76.0634 277 1331.0000 -76.0634 820 105.71% * 0+ 0 -0.0000 -76.0634 820 --- 0 0 -15.6493 95 -0.0000 Cuts: 158 1073 --- * 0+ 0 -10.0000 -15.6493 1073 56.49% 0 0 -15.0000 12 -10.0000 Cuts: 14 1099 50.00% * 0+ 0 -13.0000 -15.0000 1099 15.38% 0 0 -14.8802 64 -13.0000 ZeroHalf: 4 1119 14.46% * 0+ 0 -14.0000 -14.8802 1119 6.29% 0 0 cutoff -14.0000 -14.8802 1119 6.29% Clique cuts applied: 19 Implied bound cuts applied: 10 Zero-half cuts applied: 20 Gomory fractional cuts applied: 6