
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:26:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2261.12.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/grafo2261.12.lp
Reading time = 0.00 seconds
: 1311 rows, 205 columns, 4009 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 1311 rows, 205 columns and 4009 nonzeros
Model fingerprint: 0x16416a3c
Variable types: 13 continuous, 192 integer (192 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 148 rows and 7 columns
Presolve time: 0.01s
Presolved: 1163 rows, 198 columns, 3613 nonzeros
Variable types: 0 continuous, 198 integer (185 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.000000e+01, 67 iterations, 0.01 seconds (0.00 work units)

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

     0     0   10.00000    0   24    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   46    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   47    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   14    5.00000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0   10    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   14    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   14    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   19    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   33    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   26    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   24    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   23    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   12    6.00000   10.00000  66.7%     -    0s
     0     2   10.00000    0   12    6.00000   10.00000  66.7%     -    0s

Cutting planes:
  Gomory: 1
  Cover: 11
  Clique: 6
  MIR: 16
  StrongCG: 1
  Inf proof: 29
  Zero half: 6
  Mod-K: 6
  RLT: 14
  BQP: 1
  PSD: 2

Explored 978 nodes (32722 simplex iterations) in 1.48 seconds (0.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 6 5 4 

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2261.12.sol'

