Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 6 times. MIP Presolve eliminated 270014 rows and 47273 columns. MIP Presolve modified 16040 coefficients. Aggregator did 2214 substitutions. Reduced MIP has 6183 rows, 2441 columns, and 19691 nonzeros. Presolve time = 1.40 sec. Clique table members: 3029. 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 -548.0000 37 -548.0000 272 * 0+ 0 -548.0000 -548.0000 272 0.00% 0 0 cutoff -548.0000 -548.0000 272 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 587.0000. Tried aggregator 6 times. MIP Presolve eliminated 270595 rows and 47339 columns. MIP Presolve modified 16452 coefficients. Aggregator did 2157 substitutions. Reduced MIP has 5659 rows, 2432 columns, and 18067 nonzeros. Presolve time = 1.44 sec. Clique table members: 2693. 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 83.0000 18 587.0000 83.0000 511 85.86% * 0 0 integral 0 89.0000 Cuts: 27 518 0.00% 0 0 cutoff 89.0000 89.0000 518 0.00% GUB cover cuts applied: 1 Clique cuts applied: 4 Cover cuts applied: 1 Implied bound cuts applied: 1 Zero-half cuts applied: 2 Gomory fractional cuts applied: 1 >>>>>>> Objval = 89.000000 (int)89 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 1504.0000. Tried aggregator 6 times. MIP Presolve eliminated 267821 rows and 46575 columns. MIP Presolve modified 15863 coefficients. Aggregator did 2015 substitutions. Reduced MIP has 8575 rows, 3338 columns, and 30735 nonzeros. Presolve time = 1.68 sec. Clique table members: 3329. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.10 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 667.3750 112 1504.0000 667.3750 1282 55.63% * 0 0 integral 0 757.0000 Cuts: 130 1388 0.00% 0 0 cutoff 757.0000 757.0000 1388 0.00% GUB cover cuts applied: 1 Clique cuts applied: 75 Cover cuts applied: 1 Implied bound cuts applied: 6 Zero-half cuts applied: 3 Gomory fractional cuts applied: 3