
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 15:43:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1446.23.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/grafo1446.23.lp
Reading time = 0.01 seconds
: 4953 rows, 466 columns, 15036 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 4953 rows, 466 columns and 15036 nonzeros
Model fingerprint: 0xc22db701
Variable types: 15 continuous, 451 integer (451 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 333 rows and 44 columns
Presolve time: 0.03s
Presolved: 4620 rows, 422 columns, 14041 nonzeros
Variable types: 0 continuous, 422 integer (407 binary)

Root relaxation: objective 9.000000e+00, 169 iterations, 0.01 seconds (0.01 work units)

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

     0     0    9.00000    0   51          -    9.00000      -     -    0s
     0     0    9.00000    0   69          -    9.00000      -     -    0s
     0     0    9.00000    0   65          -    9.00000      -     -    0s
     0     0    9.00000    0   42          -    9.00000      -     -    0s
H    0     0                       7.0000000    9.00000  28.6%     -    0s
     0     0    9.00000    0   17    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   17    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   17    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   20    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   20    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   19    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   19    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   18    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   18    7.00000    9.00000  28.6%     -    0s
     0     2    9.00000    0   18    7.00000    9.00000  28.6%     -    0s

Cutting planes:
  Gomory: 4
  Cover: 13
  Clique: 12
  MIR: 18
  Inf proof: 23
  Zero half: 5
  RLT: 11
  BQP: 3
  PSD: 2

Explored 546 nodes (28818 simplex iterations) in 1.92 seconds (1.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 7 

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1446.23.sol'

