
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 06:36:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2167.38.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/grafo2167.38.lp
Reading time = 0.12 seconds
: 77233 rows, 1516 columns, 232644 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 77233 rows, 1516 columns and 232644 nonzeros
Model fingerprint: 0x4d5b88e7
Variable types: 33 continuous, 1483 integer (1483 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]
Presolve removed 26795 rows and 7 columns
Presolve time: 0.48s
Presolved: 50438 rows, 1509 columns, 152438 nonzeros
Variable types: 0 continuous, 1509 integer (1476 binary)
Root relaxation presolved: 1507 rows, 51945 columns, 153947 nonzeros


Root relaxation: objective 3.300000e+01, 1330 iterations, 0.34 seconds (0.32 work units)

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

     0     0   33.00000    0  251          -   33.00000      -     -    2s
H    0     0                       6.0000000   33.00000   450%     -    3s
H    0     0                       8.0000000   33.00000   312%     -    3s
     0     0   33.00000    0  524    8.00000   33.00000   312%     -    5s
     0     0   33.00000    0  517    8.00000   33.00000   312%     -    6s
H    0     0                      11.0000000   33.00000   200%     -   12s
     0     0   33.00000    0  288   11.00000   33.00000   200%     -   12s
     0     0   33.00000    0  283   11.00000   33.00000   200%     -   12s
     0     0   33.00000    0  285   11.00000   33.00000   200%     -   17s
     0     0   33.00000    0  291   11.00000   33.00000   200%     -   17s
     0     0   33.00000    0  344   11.00000   33.00000   200%     -   23s
     0     0   33.00000    0  338   11.00000   33.00000   200%     -   24s
     0     0   33.00000    0  291   11.00000   33.00000   200%     -   32s
     0     0   33.00000    0  328   11.00000   33.00000   200%     -   34s
     0     0   33.00000    0  283   11.00000   33.00000   200%     -   39s
     0     0   33.00000    0  283   11.00000   33.00000   200%     -   40s
     0     2   33.00000    0  215   11.00000   33.00000   200%     -   46s
    23    27   33.00000    6  197   11.00000   33.00000   200%   348   50s

Cutting planes:
  Clique: 23
  MIR: 47
  Zero half: 4
  RLT: 56
  BQP: 1

Explored 26 nodes (54808 simplex iterations) in 50.05 seconds (51.85 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 8 6 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.300000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo2167.38.sol'

