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 270872 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 = 1.42 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 = 0.01 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 634.0000. Tried aggregator 11 times. MIP Presolve eliminated 270745 rows and 47334 columns. MIP Presolve modified 14669 coefficients. Aggregator did 2281 substitutions. Reduced MIP has 5436 rows, 2313 columns, and 18279 nonzeros. Presolve time = 1.51 sec. Clique table members: 2423. 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 15.0000 3 634.0000 15.0000 415 97.63% * 0+ 0 15.0000 15.0000 415 0.00% 0 0 cutoff 15.0000 15.0000 415 0.00% >>>>>>> Objval = 15.000000 (int)15 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 1994.0000. Tried aggregator 9 times. MIP Presolve eliminated 268602 rows and 46513 columns. MIP Presolve modified 13926 coefficients. Aggregator did 2095 substitutions. Reduced MIP has 7752 rows, 3320 columns, and 27046 nonzeros. Presolve time = 1.79 sec. Clique table members: 3178. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.07 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1165.5000 55 1403.0000 1165.5000 1172 16.93% * 0+ 0 1195.0000 1165.5000 1172 2.47% Repeating presolve. Tried aggregator 5 times. MIP Presolve eliminated 7329 rows and 2959 columns. MIP Presolve modified 40 coefficients. Aggregator did 190 substitutions. Reduced MIP has 233 rows, 171 columns, and 565 nonzeros. Tried aggregator 1 time. MIP Presolve eliminated 7 rows and 10 columns. Aggregator did 1 substitutions. Reduced MIP has 225 rows, 160 columns, and 549 nonzeros. Tried aggregator 1 time. Represolve time = 0.02 sec. Clique table members: 204. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.00 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 cutoff 0