
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:07:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2078.29.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/grafo2078.29.lp
Reading time = 0.15 seconds
: 66213 rows, 1141 columns, 199448 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 66213 rows, 1141 columns and 199448 nonzeros
Model fingerprint: 0x4bfa6a0b
Variable types: 31 continuous, 1110 integer (1110 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 27623 rows and 10 columns
Presolve time: 0.56s
Presolved: 38590 rows, 1131 columns, 116782 nonzeros
Variable types: 0 continuous, 1131 integer (1100 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1131 rows, 39721 columns, 117913 nonzeros


Root relaxation: objective 3.300000e+01, 1272 iterations, 0.33 seconds (0.24 work units)

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

     0     0   33.00000    0  332    4.00000   33.00000   725%     -    3s
H    0     0                       6.0000000   33.00000   450%     -    3s
     0     0   33.00000    0  479    6.00000   33.00000   450%     -    8s
H    0     0                       7.0000000   33.00000   371%     -    9s
H    0     0                       8.0000000   33.00000   312%     -    9s
     0     0   33.00000    0  510    8.00000   33.00000   312%     -    9s
     0     0   33.00000    0  293    8.00000   33.00000   312%     -   19s
H    0     0                       9.0000000   33.00000   267%     -   19s
     0     0   33.00000    0  289    9.00000   33.00000   267%     -   19s
     0     0   33.00000    0  312    9.00000   33.00000   267%     -   26s
     0     0   33.00000    0  287    9.00000   33.00000   267%     -   27s
H    0     0                      10.0000000   33.00000   230%     -   34s
     0     0   33.00000    0  341   10.00000   33.00000   230%     -   34s
     0     0   33.00000    0  349   10.00000   33.00000   230%     -   35s
     0     0   32.83333    0  253   10.00000   32.83333   228%     -   43s
     0     0   32.83333    0  289   10.00000   32.83333   228%     -   44s
     0     0   32.83333    0  342   10.00000   32.83333   228%     -   50s

Cutting planes:
  Cover: 32
  Clique: 18
  MIR: 113
  StrongCG: 4
  Zero half: 44
  RLT: 71
  BQP: 3

Explored 1 nodes (44719 simplex iterations) in 50.06 seconds (33.33 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... 4

Time limit reached
Best objective 1.000000000000e+01, best bound 3.200000000000e+01, gap 220.0000%

Wrote result file './lp_solutions/grafo2078.29.sol'

