
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 17:57:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1206.29.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/grafo1206.29.lp
Reading time = 0.12 seconds
: 50780 rows, 1082 columns, 153065 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 50780 rows, 1082 columns and 153065 nonzeros
Model fingerprint: 0x3b9b80ba
Variable types: 30 continuous, 1052 integer (1052 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 2.0000000
Presolve removed 19584 rows and 15 columns
Presolve time: 0.37s
Presolved: 31196 rows, 1067 columns, 94551 nonzeros
Variable types: 0 continuous, 1067 integer (1037 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 23482 rows, 8781 columns, 79123 nonzeros


Root relaxation: objective 3.000000e+01, 1316 iterations, 0.60 seconds (0.44 work units)

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

     0     0   30.00000    0  315   10.00000   30.00000   200%     -    1s
     0     0   30.00000    0  431   10.00000   30.00000   200%     -    4s
     0     0   30.00000    0  417   10.00000   30.00000   200%     -    4s
H    0     0                      11.0000000   30.00000   173%     -   11s
H    0     0                      12.0000000   30.00000   150%     -   11s
     0     0   30.00000    0  294   12.00000   30.00000   150%     -   11s
     0     0   30.00000    0  274   12.00000   30.00000   150%     -   12s
     0     0   29.66667    0  190   12.00000   29.66667   147%     -   16s
     0     0   29.66667    0  189   12.00000   29.66667   147%     -   16s
     0     0   29.66667    0  274   12.00000   29.66667   147%     -   21s
     0     0   29.66667    0  316   12.00000   29.66667   147%     -   22s
H    0     0                      13.0000000   29.66667   128%     -   30s
     0     0   29.66667    0  360   13.00000   29.66667   128%     -   30s
     0     0   29.66667    0  349   13.00000   29.66667   128%     -   31s
     0     0   29.66667    0  192   13.00000   29.66667   128%     -   41s
     0     0   29.66667    0  281   13.00000   29.66667   128%     -   42s
     0     0   29.66667    0  175   13.00000   29.66667   128%     -   45s
     0     0   29.66667    0  175   13.00000   29.66667   128%     -   46s
     0     2   29.66667    0  175   13.00000   29.66667   128%     -   49s
     7     9   29.66667    3  199   13.00000   29.66667   128%   529   50s

Cutting planes:
  Cover: 1
  Clique: 13
  MIR: 58
  StrongCG: 1
  Zero half: 8
  RLT: 43
  BQP: 4

Explored 8 nodes (51456 simplex iterations) in 50.05 seconds (31.96 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 11 ... 2

Time limit reached
Best objective 1.300000000000e+01, best bound 2.900000000000e+01, gap 123.0769%

Wrote result file './lp_solutions/grafo1206.29.sol'

