
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 19:14:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2885.16.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/grafo2885.16.lp
Reading time = 0.01 seconds
: 5014 rows, 304 columns, 15169 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 5014 rows, 304 columns and 15169 nonzeros
Model fingerprint: 0xe1b46163
Variable types: 13 continuous, 291 integer (291 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 2882 rows and 31 columns
Presolve time: 0.03s
Presolved: 2132 rows, 273 columns, 6615 nonzeros
Variable types: 0 continuous, 273 integer (260 binary)

Root relaxation: objective 9.000000e+00, 134 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    9.00000    0   35          -    9.00000      -     -    0s
H    0     0                       4.0000000    9.00000   125%     -    0s
H    0     0                       5.0000000    9.00000  80.0%     -    0s
     0     0    9.00000    0   71    5.00000    9.00000  80.0%     -    0s
H    0     0                       6.0000000    9.00000  50.0%     -    0s
     0     0    9.00000    0   38    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   31    6.00000    9.00000  50.0%     -    0s
     0     0    8.00000    0   51    6.00000    8.00000  33.3%     -    0s
H    0     0                       7.0000000    8.00000  14.3%     -    0s
     0     0    8.00000    0   49    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   40    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   39    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   43    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   52    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   28    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   33    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   45    7.00000    8.00000  14.3%     -    0s
     0     0    8.00000    0   33    7.00000    8.00000  14.3%     -    0s
     0     2    8.00000    0   33    7.00000    8.00000  14.3%     -    0s

Cutting planes:
  Gomory: 2
  Cover: 30
  Clique: 6
  MIR: 31
  StrongCG: 7
  Inf proof: 64
  Zero half: 2
  RLT: 21
  BQP: 1
  PSD: 1

Explored 1567 nodes (61281 simplex iterations) in 1.51 seconds (1.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 7 6 5 4 

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/grafo2885.16.sol'

