Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 5 times. MIP Presolve eliminated 191513 rows and 35376 columns. MIP Presolve modified 23959 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61751 rows, 11313 columns, and 244444 nonzeros. Presolve time = 4.47 sec. Clique table members: 10614. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.57 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2927.2222 153 -2927.2222 1676 * 0+ 0 -2918.0000 -2927.2222 1676 0.32% 0 0 -2926.0000 80 -2918.0000 Cuts: 310 1731 0.27% * 0+ 0 -2924.0000 -2926.0000 1731 0.07% * 0 0 integral 0 -2926.0000 Cuts: 37 1746 0.00% 0 0 cutoff -2926.0000 -2926.0000 1746 0.00% GUB cover cuts applied: 1 Clique cuts applied: 62 Implied bound cuts applied: 16 Zero-half cuts applied: 23 Gomory fractional cuts applied: 12 >>>>>>> Objval = -2926.000000 (int)-2926 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 1588.0000. Tried aggregator 5 times. MIP Presolve eliminated 191501 rows and 35367 columns. MIP Presolve modified 23958 coefficients. Aggregator did 1258 substitutions. Reduced MIP has 61766 rows, 11325 columns, and 247399 nonzeros. Presolve time = 4.47 sec. Clique table members: 10589. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 9.99 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 375.4868 687 1588.0000 375.4868 13988 76.35% 0 0 507.5000 44 1588.0000 Cuts: 576 14196 68.04% 0 0 511.0000 6 1588.0000 Cuts: 13 14204 67.82% * 0+ 0 511.0000 511.0000 14204 0.00% 0 0 cutoff 511.0000 511.0000 14204 0.00% Elapsed time = 16.94 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 246 Cover cuts applied: 3 Implied bound cuts applied: 56 Zero-half cuts applied: 56 Gomory fractional cuts applied: 4 >>>>>>> Objval = 511.000000 (int)511 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 2300.0000. Tried aggregator 5 times. Presolve has eliminated 190941 rows and 35148 columns... Aggregator has done 1206 substitutions... MIP Presolve eliminated 190941 rows and 35148 columns. MIP Presolve modified 23984 coefficients. Aggregator did 1206 substitutions. Reduced MIP has 62378 rows, 11596 columns, and 255582 nonzeros. Presolve time = 5.17 sec. Clique table members: 10420. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 13.01 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1823.5278 135 2300.0000 1823.5278 20982 20.72% 0 0 1938.0000 24 2300.0000 Cuts: 302 21928 15.74% 0 0 1955.5000 35 2300.0000 Cuts: 14 21955 14.98% * 0 0 integral 0 1971.0000 Cuts: 57 21994 0.00% 0 0 cutoff 1971.0000 1971.0000 21994 0.00% Elapsed time = 20.71 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 167 Implied bound cuts applied: 32 Zero-half cuts applied: 17 Gomory fractional cuts applied: 8