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 270871 rows and 47363 columns. MIP Presolve modified 14725 coefficients. Aggregator did 2360 substitutions. Reduced MIP has 5222 rows, 2205 columns, and 16941 nonzeros. Presolve time = 1.77 sec. Clique table members: 2466. 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 -544.0000 171 -544.0000 297 * 0 0 integral 0 -543.0000 Cuts: 50 346 0.00% 0 0 cutoff -543.0000 -543.0000 346 0.00% Clique cuts applied: 2 Implied bound cuts applied: 7 Zero-half cuts applied: 5 Gomory fractional cuts applied: 3 >>>>>>> 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 1606.0000. Tried aggregator 10 times. MIP Presolve eliminated 268961 rows and 46689 columns. MIP Presolve modified 14203 coefficients. Aggregator did 2176 substitutions. Reduced MIP has 7310 rows, 3063 columns, and 23859 nonzeros. Presolve time = 1.66 sec. Clique table members: 3515. 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 60.7054 525 1606.0000 60.7054 1000 96.22% 0 0 269.5000 6 1606.0000 Cuts: 106 1384 83.22% * 0+ 0 271.0000 269.5000 1384 0.55% * 0 0 integral 0 270.0000 ZeroHalf: 2 1388 0.00% 0 0 cutoff 270.0000 270.0000 1388 0.00% Clique cuts applied: 5 Implied bound cuts applied: 7 Zero-half cuts applied: 18 Gomory fractional cuts applied: 8