
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:50:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11525.36.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/grafo11525.36.lp
Reading time = 0.12 seconds
: 73683 rows, 1780 columns, 222542 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 73683 rows, 1780 columns and 222542 nonzeros
Model fingerprint: 0xea67f276
Variable types: 39 continuous, 1741 integer (1741 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 35084 rows and 121 columns
Presolve time: 0.39s
Presolved: 38599 rows, 1659 columns, 117565 nonzeros
Variable types: 0 continuous, 1659 integer (1620 binary)
Root relaxation presolved: 22320 rows, 17938 columns, 85007 nonzeros


Root relaxation: objective 3.400000e+01, 1764 iterations, 0.52 seconds (0.44 work units)

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

     0     0   34.00000    0  315          -   34.00000      -     -    2s
H    0     0                      10.0000000   34.00000   240%     -    3s
     0     0   34.00000    0  584   10.00000   34.00000   240%     -    6s
H    0     0                      11.0000000   34.00000   209%     -    6s
     0     0   34.00000    0  560   11.00000   34.00000   209%     -    7s
     0     0   34.00000    0  536   11.00000   34.00000   209%     -   15s
     0     0   34.00000    0  527   11.00000   34.00000   209%     -   17s
     0     0   34.00000    0  449   11.00000   34.00000   209%     -   29s
H    0     0                      13.0000000   34.00000   162%     -   29s
     0     0   34.00000    0  475   13.00000   34.00000   162%     -   30s
     0     0   34.00000    0  549   13.00000   34.00000   162%     -   38s
     0     0   34.00000    0  540   13.00000   34.00000   162%     -   39s
     0     0   34.00000    0  493   13.00000   34.00000   162%     -   48s
H    0     0                      14.0000000   34.00000   143%     -   48s
     0     0          -    0        14.00000   34.00000   143%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 3
  Clique: 8
  MIR: 51
  StrongCG: 2
  Inf proof: 3
  Zero half: 3
  RLT: 30
  BQP: 2

Explored 1 nodes (67197 simplex iterations) in 50.04 seconds (45.42 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 11 10 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.400000000000e+01, gap 142.8571%

Wrote result file './lp_solutions/grafo11525.36.sol'

