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 269740 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 = 1.91 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 717.0000. Tried aggregator 6 times. MIP Presolve eliminated 269692 rows and 46902 columns. MIP Presolve modified 14095 coefficients. Aggregator did 2284 substitutions. Reduced MIP has 6485 rows, 2742 columns, and 22230 nonzeros. Presolve time = 1.75 sec. Clique table members: 3306. 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 58.0000 90 717.0000 58.0000 564 91.91% * 0+ 0 80.0000 58.0000 564 27.50% * 0 0 integral 0 77.0000 Cuts: 6 580 0.00% 0 0 cutoff 77.0000 77.0000 580 0.00% Zero-half cuts applied: 1 Gomory fractional cuts applied: 1 >>>>>>> Objval = 77.000000 (int)77 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 1864.0000. Tried aggregator 6 times. MIP Presolve eliminated 267360 rows and 46160 columns. MIP Presolve modified 13973 coefficients. Aggregator did 2128 substitutions. Reduced MIP has 8973 rows, 3640 columns, and 32371 nonzeros. Presolve time = 2.04 sec. Clique table members: 4080. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.08 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 868.2500 257 1270.0000 868.2500 1263 31.63% * 0 0 integral 0 1054.0000 Cuts: 26 1535 0.00% 0 0 cutoff 1054.0000 1054.0000 1535 0.00% Zero-half cuts applied: 2 Gomory fractional cuts applied: 1