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 271206 rows and 47417 columns. MIP Presolve modified 16961 coefficients. Aggregator did 2323 substitutions. Reduced MIP has 4930 rows, 2188 columns, and 15455 nonzeros. Presolve time = 1.58 sec. Clique table members: 2720. 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 50 -548.0000 257 * 0+ 0 -548.0000 -548.0000 257 0.00% 0 0 cutoff -548.0000 -548.0000 257 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 1307.0000. Tried aggregator 6 times. MIP Presolve eliminated 269272 rows and 46733 columns. MIP Presolve modified 16970 coefficients. Aggregator did 2134 substitutions. Reduced MIP has 7044 rows, 3061 columns, and 22680 nonzeros. Presolve time = 1.57 sec. Clique table members: 3390. 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 -32.5000 321 1307.0000 -32.5000 833 102.49% * 0 0 integral 0 74.0000 Cuts: 38 1002 0.00% 0 0 cutoff 74.0000 74.0000 1002 0.00% Clique cuts applied: 2 Implied bound cuts applied: 2 Zero-half cuts applied: 5 Gomory fractional cuts applied: 2