
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:15:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11573.35.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/grafo11573.35.lp
Reading time = 0.12 seconds
: 74107 rows, 1610 columns, 223567 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 74107 rows, 1610 columns and 223567 nonzeros
Model fingerprint: 0x7d775770
Variable types: 37 continuous, 1573 integer (1573 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 4.0000000
Presolve removed 25117 rows and 23 columns
Presolve time: 0.49s
Presolved: 48990 rows, 1587 columns, 148577 nonzeros
Variable types: 0 continuous, 1587 integer (1550 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1587 rows, 50577 columns, 150164 nonzeros


Root relaxation: objective 3.400000e+01, 1488 iterations, 0.30 seconds (0.33 work units)

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

     0     0   34.00000    0  319    9.00000   34.00000   278%     -    2s
H    0     0                      10.0000000   34.00000   240%     -    2s
H    0     0                      13.0000000   34.00000   162%     -    3s
     0     0   34.00000    0  538   13.00000   34.00000   162%     -    7s
     0     0   34.00000    0  536   13.00000   34.00000   162%     -    7s
H    0     0                      14.0000000   34.00000   143%     -   18s
     0     0   34.00000    0  366   14.00000   34.00000   143%     -   18s
     0     0   34.00000    0  380   14.00000   34.00000   143%     -   18s
H    0     0                      16.0000000   34.00000   112%     -   32s
     0     0   34.00000    0  389   16.00000   34.00000   112%     -   32s
     0     0   34.00000    0  399   16.00000   34.00000   112%     -   32s
     0     0   34.00000    0  422   16.00000   34.00000   112%     -   50s

Cutting planes:
  Cover: 3
  Clique: 18
  MIR: 25
  Zero half: 2
  RLT: 32
  BQP: 2

Explored 1 nodes (50725 simplex iterations) in 50.10 seconds (50.27 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 16 14 13 ... 4

Time limit reached
Best objective 1.600000000000e+01, best bound 3.400000000000e+01, gap 112.5000%

Wrote result file './lp_solutions/grafo11573.35.sol'

