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 191811 rows and 35387 columns. MIP Presolve modified 24558 coefficients. Aggregator did 1264 substitutions. Reduced MIP has 61450 rows, 11299 columns, and 243209 nonzeros. Presolve time = 4.49 sec. Clique table members: 10606. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.72 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2925.1181 647 -2925.1181 1986 * 0+ 0 -2914.0000 -2925.1181 1986 0.38% * 0 0 integral 0 -2921.0000 Cuts: 503 2144 0.00% 0 0 cutoff -2921.0000 -2921.0000 2144 0.00% GUB cover cuts applied: 1 Clique cuts applied: 185 Implied bound cuts applied: 57 Zero-half cuts applied: 33 Gomory fractional cuts applied: 12 >>>>>>> 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 1578.0000. Tried aggregator 5 times. MIP Presolve eliminated 191800 rows and 35378 columns. MIP Presolve modified 24561 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61464 rows, 11311 columns, and 246152 nonzeros. Presolve time = 4.55 sec. Clique table members: 10581. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 9.98 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 222.3153 473 1578.0000 222.3153 12990 85.91% 0 0 325.6667 262 1578.0000 Cuts: 830 13320 79.36% 0 0 411.1000 332 1578.0000 Cuts: 40 13569 73.95% 0 0 414.0000 300 1578.0000 Cuts: 83 13629 73.76% * 0+ 0 436.0000 414.0000 13629 5.05% 0 0 414.1250 314 436.0000 ZeroHalf: 3 13638 5.02% * 0+ 0 435.0000 414.1250 13638 4.80% 0 0 414.2000 291 435.0000 ZeroHalf: 5 13642 4.78% 0 0 414.4286 312 435.0000 414.4286 13644 4.73% 0 0 414.4286 312 435.0000 ZeroHalf: 1 13645 4.73% * 0+ 0 415.0000 414.4286 13645 0.14% 0 0 cutoff 415.0000 414.4286 13645 0.14% Elapsed time = 18.61 sec. (tree size = 0.00 MB, solutions = 4) GUB cover cuts applied: 3 Clique cuts applied: 479 Cover cuts applied: 3 Implied bound cuts applied: 146 Zero-half cuts applied: 82 Gomory fractional cuts applied: 10 >>>>>>> Objval = 415.000000 (int)415 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 2394.0000. Presolve has eliminated 182881 rows and 35004 columns... Aggregator has done 1209 substitutions... Tried aggregator 5 times. MIP Presolve eliminated 191325 rows and 35160 columns. MIP Presolve modified 24833 coefficients. Aggregator did 1209 substitutions. Reduced MIP has 61991 rows, 11581 columns, and 253882 nonzeros. Presolve time = 5.29 sec. Clique table members: 10410. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 13.14 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1903.0694 334 2394.0000 1903.0694 21253 20.51% 0 0 1953.5000 275 2394.0000 Cuts: 537 21571 18.40% 0 0 1990.2679 464 2394.0000 Cuts: 55 22037 16.86% 0 0 2054.2847 548 2394.0000 Cuts: 49 22414 14.19% 0 0 2075.5000 58 2394.0000 Cuts: 27 22486 13.30% * 0+ 0 2084.0000 2075.5000 22486 0.41% Repeating presolve. Tried aggregator 7 times. MIP Presolve eliminated 59012 rows and 9137 columns. MIP Presolve modified 4470 coefficients. Aggregator did 896 substitutions. Reduced MIP has 2077 rows, 1548 columns, and 7490 nonzeros. Tried aggregator 3 times. MIP Presolve eliminated 919 rows and 245 columns. MIP Presolve modified 2362 coefficients. Aggregator did 226 substitutions. Reduced MIP has 930 rows, 1077 columns, and 3110 nonzeros. Tried aggregator 2 times. MIP Presolve eliminated 16 rows and 3 columns. MIP Presolve modified 1 coefficients. Aggregator did 38 substitutions. Reduced MIP has 876 rows, 1036 columns, and 2979 nonzeros. Tried aggregator 2 times. MIP Presolve eliminated 21 rows and 4 columns. MIP Presolve modified 1 coefficients. Aggregator did 4 substitutions. Reduced MIP has 851 rows, 1028 columns, and 2906 nonzeros. Represolve time = 0.28 sec. Clique table members: 767. 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 cutoff 369 GUB cover cuts applied: 2 Clique cuts applied: 24 Implied bound cuts applied: 33 Zero-half cuts applied: 11