
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:41:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2450.14.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/grafo2450.14.lp
Reading time = 0.01 seconds
: 1503 rows, 218 columns, 4582 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 1503 rows, 218 columns and 4582 nonzeros
Model fingerprint: 0x17433a3c
Variable types: 13 continuous, 205 integer (205 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 81 rows and 3 columns
Presolve time: 0.02s
Presolved: 1422 rows, 215 columns, 4372 nonzeros
Variable types: 0 continuous, 215 integer (202 binary)

Root relaxation: objective 7.000000e+00, 65 iterations, 0.00 seconds (0.00 work units)

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

     0     0    7.00000    0   23          -    7.00000      -     -    0s
H    0     0                       5.0000000    7.00000  40.0%     -    0s
     0     0    7.00000    0   27    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    5    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    9    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    4    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    5    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    7    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    6    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    9    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0    9    5.00000    7.00000  40.0%     -    0s
     0     2    7.00000    0    9    5.00000    7.00000  40.0%     -    0s

Cutting planes:
  Gomory: 3
  Cover: 7
  Clique: 3
  MIR: 9
  Inf proof: 6
  Zero half: 4
  Mod-K: 4
  RLT: 9
  PSD: 1

Explored 185 nodes (4778 simplex iterations) in 0.40 seconds (0.19 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2450.14.sol'

