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 268939 rows and 47062 columns. MIP Presolve modified 16168 coefficients. Aggregator did 2188 substitutions. Reduced MIP has 7285 rows, 2678 columns, and 24188 nonzeros. Presolve time = 1.85 sec. Clique table members: 3206. 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 117 -548.0000 261 * 0+ 0 -547.0000 -548.0000 261 0.18% * 0 0 integral 0 -548.0000 Cuts: 18 283 0.00% 0 0 cutoff -548.0000 -548.0000 283 0.00% Clique cuts applied: 3 Implied bound cuts applied: 3 Zero-half cuts applied: 1 Gomory fractional cuts applied: 2 >>>>>>> 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 589.0000. Tried aggregator 6 times. MIP Presolve eliminated 268911 rows and 47058 columns. MIP Presolve modified 16066 coefficients. Aggregator did 2117 substitutions. Reduced MIP has 7384 rows, 2753 columns, and 24962 nonzeros. Presolve time = 1.83 sec. Clique table members: 3624. 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 49.0000 85 589.0000 49.0000 532 91.68% * 0+ 0 69.0000 49.0000 532 28.99% * 0+ 0 67.0000 49.0000 546 26.87% 0 0 cutoff 67.0000 49.0000 546 26.87% >>>>>>> Objval = 67.000000 (int)67 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 1496.0000. Tried aggregator 6 times. MIP Presolve eliminated 266650 rows and 46381 columns. MIP Presolve modified 16158 coefficients. Aggregator did 1979 substitutions. Reduced MIP has 9782 rows, 3568 columns, and 34291 nonzeros. Presolve time = 2.20 sec. Clique table members: 4330. 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 0 628.6250 208 969.0000 628.6250 1365 35.13% * 0+ 0 701.0000 628.6250 1467 10.32% 0 0 cutoff 701.0000 628.6250 1467 10.32%