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 191717 rows and 35385 columns. MIP Presolve modified 24333 coefficients. Aggregator did 1262 substitutions. Reduced MIP has 61546 rows, 11303 columns, and 243487 nonzeros. Presolve time = 4.46 sec. Clique table members: 10620. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.86 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2926.8889 1005 -2926.8889 2110 * 0+ 0 -2909.0000 -2926.8889 2110 0.61% 0 0 -2921.0000 78 -2909.0000 Cuts: 534 2294 0.41% * 0 0 integral 0 -2921.0000 Cuts: 41 2308 0.00% 0 0 cutoff -2921.0000 -2921.0000 2308 0.00% GUB cover cuts applied: 2 Clique cuts applied: 186 Cover cuts applied: 2 Implied bound cuts applied: 67 Zero-half cuts applied: 44 Gomory fractional cuts applied: 11 >>>>>>> Objval = -2921.000000 (int)-2921 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 1565.0000. Tried aggregator 5 times. MIP Presolve eliminated 191704 rows and 35375 columns. MIP Presolve modified 24330 coefficients. Aggregator did 1259 substitutions. Reduced MIP has 61562 rows, 11316 columns, and 246443 nonzeros. Presolve time = 4.49 sec. Clique table members: 10592. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 10.18 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 222.3153 474 1565.0000 222.3153 13088 85.79% 0 0 300.7500 324 1565.0000 Cuts: 824 13387 80.78% 0 0 412.5000 31 1565.0000 Cuts: 79 13818 73.64% * 0 0 integral 0 416.0000 Cuts: 18 13828 0.00% 0 0 cutoff 416.0000 416.0000 13828 0.00% Elapsed time = 17.05 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 3 Clique cuts applied: 497 Cover cuts applied: 3 Implied bound cuts applied: 103 Zero-half cuts applied: 70 Gomory fractional cuts applied: 14 >>>>>>> Objval = 416.000000 (int)416 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 2367.0000. Tried aggregator 5 times. Presolve has eliminated 191143 rows and 35153 columns... Aggregator has done 1207 substitutions... MIP Presolve eliminated 191143 rows and 35153 columns. MIP Presolve modified 24363 coefficients. Aggregator did 1207 substitutions. Reduced MIP has 62175 rows, 11590 columns, and 254645 nonzeros. Presolve time = 5.19 sec. Clique table members: 10413. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 13.67 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1893.9486 462 2367.0000 1893.9486 22953 19.99% 0 0 1955.5000 275 2367.0000 Cuts: 535 23591 17.38% 0 0 2053.0000 58 2367.0000 Cuts: 105 24707 13.27% 0 0 2071.1875 110 2367.0000 Cuts: 41 24741 12.50% * 0+ 0 2086.0000 2071.1875 24758 0.71% 0 0 cutoff 2086.0000 2071.1875 24758 0.71% Elapsed time = 22.85 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 3 Clique cuts applied: 315 Implied bound cuts applied: 54 Zero-half cuts applied: 38 Gomory fractional cuts applied: 12