
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:51:41 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6599.36.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo6599.36.lp
Reading time = 0.09 seconds
: 55003 rows, 1824 columns, 166550 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 55003 rows, 1824 columns and 166550 nonzeros
Model fingerprint: 0x7a3b4455
Variable types: 43 continuous, 1781 integer (1781 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective 3.0000000
Presolve removed 9619 rows and 20 columns
Presolve time: 0.37s
Presolved: 45384 rows, 1804 columns, 138052 nonzeros
Variable types: 0 continuous, 1804 integer (1761 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 25903 rows, 21285 columns, 99090 nonzeros


Root relaxation: objective 4.500000e+01, 1148 iterations, 0.31 seconds (0.27 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   45.00000    0  410    9.00000   45.00000   400%     -    1s
H    0     0                      11.0000000   45.00000   309%     -    1s
     0     0   45.00000    0  657   11.00000   45.00000   309%     -    7s
     0     0   45.00000    0  576   11.00000   45.00000   309%     -    8s
H    0     0                      13.0000000   45.00000   246%     -   19s
H    0     0                      14.0000000   45.00000   221%     -   19s
     0     0   45.00000    0  516   14.00000   45.00000   221%     -   19s
     0     0   45.00000    0  524   14.00000   45.00000   221%     -   20s
H    0     0                      15.0000000   45.00000   200%     -   30s
H    0     0                      16.0000000   45.00000   181%     -   30s
     0     0   45.00000    0  448   16.00000   45.00000   181%     -   30s
     0     0   45.00000    0  409   16.00000   45.00000   181%     -   30s
     0     0   45.00000    0  433   16.00000   45.00000   181%     -   44s
     0     0   45.00000    0  417   16.00000   45.00000   181%     -   45s
     0     0   45.00000    0  586   16.00000   45.00000   181%     -   50s

Cutting planes:
  Cover: 31
  MIR: 211
  StrongCG: 2
  Zero half: 40
  RLT: 69

Explored 1 nodes (58390 simplex iterations) in 50.04 seconds (44.34 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 16 15 14 ... 3

Time limit reached
Best objective 1.600000000000e+01, best bound 4.500000000000e+01, gap 181.2500%

Wrote result file './lp_solutions/grafo6599.36.sol'

