
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 05:58:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5804.37.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/grafo5804.37.lp
Reading time = 0.13 seconds
: 80881 rows, 1653 columns, 243880 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 80881 rows, 1653 columns and 243880 nonzeros
Model fingerprint: 0x6f70c230
Variable types: 38 continuous, 1615 integer (1615 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 26258 rows and 21 columns
Presolve time: 0.60s
Presolved: 54623 rows, 1632 columns, 165370 nonzeros
Variable types: 0 continuous, 1632 integer (1594 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1632 rows, 56255 columns, 167002 nonzeros


Root relaxation: objective 3.000000e+01, 1695 iterations, 0.35 seconds (0.35 work units)

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

     0     0   30.00000    0  313    6.00000   30.00000   400%     -    4s
H    0     0                       7.0000000   30.00000   329%     -    4s
H    0     0                       9.0000000   30.00000   233%     -    5s
     0     0   30.00000    0  556    9.00000   30.00000   233%     -    9s
     0     0   30.00000    0  548    9.00000   30.00000   233%     -   10s
H    0     0                      11.0000000   30.00000   173%     -   22s
     0     0   30.00000    0  312   11.00000   30.00000   173%     -   23s
     0     0   30.00000    0  302   11.00000   30.00000   173%     -   23s
H    0     0                      12.0000000   30.00000   150%     -   43s
H    0     0                      13.0000000   30.00000   131%     -   43s
     0     0   30.00000    0  453   13.00000   30.00000   131%     -   43s
     0     0   30.00000    0  409   13.00000   30.00000   131%     -   44s
     0     0   30.00000    0  572   13.00000   30.00000   131%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 31
  Clique: 15
  MIR: 95
  StrongCG: 1
  Zero half: 29
  RLT: 66
  BQP: 3

Explored 1 nodes (44515 simplex iterations) in 50.08 seconds (46.33 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 11 ... 6

Time limit reached
Best objective 1.300000000000e+01, best bound 3.000000000000e+01, gap 130.7692%

Wrote result file './lp_solutions/grafo5804.37.sol'

