
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 06:18:18 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10032.38.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/grafo10032.38.lp
Reading time = 0.15 seconds
: 82415 rows, 1886 columns, 248774 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 82415 rows, 1886 columns and 248774 nonzeros
Model fingerprint: 0xf9f8eea2
Variable types: 42 continuous, 1844 integer (1844 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 23154 rows and 40 columns
Presolve time: 0.60s
Presolved: 59261 rows, 1846 columns, 179638 nonzeros
Variable types: 0 continuous, 1846 integer (1804 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1846 rows, 61107 columns, 181484 nonzeros


Root relaxation: objective 3.300000e+01, 2026 iterations, 0.64 seconds (0.64 work units)

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

     0     0   33.00000    0  345    7.00000   33.00000   371%     -    4s
H    0     0                       9.0000000   33.00000   267%     -    4s
H    0     0                      10.0000000   33.00000   230%     -    4s
H    0     0                      11.0000000   33.00000   200%     -   10s
     0     0   33.00000    0  589   11.00000   33.00000   200%     -   10s
     0     0   33.00000    0  543   11.00000   33.00000   200%     -   11s
     0     0   33.00000    0  530   11.00000   33.00000   200%     -   37s
     0     0   33.00000    0  497   11.00000   33.00000   200%     -   38s
H    0     0                      12.0000000   33.00000   175%     -   40s
     0     0   33.00000    0  669   12.00000   33.00000   175%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 24
  Clique: 19
  MIR: 94
  GUB cover: 1
  Zero half: 48
  RLT: 52
  BQP: 4
  PSD: 1

Explored 1 nodes (42129 simplex iterations) in 50.10 seconds (47.37 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 7

Time limit reached
Best objective 1.200000000000e+01, best bound 3.300000000000e+01, gap 175.0000%

Wrote result file './lp_solutions/grafo10032.38.sol'

