
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 05:19:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6811.36.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/grafo6811.36.lp
Reading time = 0.19 seconds
: 111187 rows, 1648 columns, 334850 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 111187 rows, 1648 columns and 334850 nonzeros
Model fingerprint: 0x7a10ca71
Variable types: 36 continuous, 1612 integer (1612 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 61570 rows and 51 columns
Presolve time: 0.59s
Presolved: 49617 rows, 1597 columns, 150542 nonzeros
Variable types: 0 continuous, 1597 integer (1561 binary)
Root relaxation presolved: 1595 rows, 51212 columns, 152139 nonzeros


Root relaxation: objective 3.000000e+01, 1471 iterations, 0.29 seconds (0.27 work units)

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

     0     0   30.00000    0  299          -   30.00000      -     -    3s
H    0     0                       9.0000000   30.00000   233%     -    4s
     0     0   30.00000    0  460    9.00000   30.00000   233%     -    6s
H    0     0                      10.0000000   30.00000   200%     -    6s
     0     0   30.00000    0  459   10.00000   30.00000   200%     -    6s
     0     0   30.00000    0  369   10.00000   30.00000   200%     -   13s
     0     0   30.00000    0  369   10.00000   30.00000   200%     -   14s
     0     0   30.00000    0  330   10.00000   30.00000   200%     -   21s
     0     0   30.00000    0  364   10.00000   30.00000   200%     -   22s
     0     0   30.00000    0  253   10.00000   30.00000   200%     -   28s
     0     0   30.00000    0  302   10.00000   30.00000   200%     -   28s
     0     0   30.00000    0  416   10.00000   30.00000   200%     -   37s
     0     0   30.00000    0  408   10.00000   30.00000   200%     -   37s
H    0     0                      13.0000000   30.00000   131%     -   44s
     0     0   30.00000    0  426   13.00000   30.00000   131%     -   44s
     0     0   30.00000    0  400   13.00000   30.00000   131%     -   44s
H    0     0                      14.0000000   30.00000   114%     -   49s
     0     0   30.00000    0  385   14.00000   30.00000   114%     -   49s
     0     0   30.00000    0  385   14.00000   30.00000   114%     -   50s

Cutting planes:
  Cover: 1
  Clique: 10
  MIR: 12
  Zero half: 4
  RLT: 10
  BQP: 1

Explored 1 nodes (57691 simplex iterations) in 50.05 seconds (45.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 10 9 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.000000000000e+01, gap 114.2857%

Wrote result file './lp_solutions/grafo6811.36.sol'

