
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:27:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7028.37.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/grafo7028.37.lp
Reading time = 0.14 seconds
: 87451 rows, 1759 columns, 263695 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 87451 rows, 1759 columns and 263695 nonzeros
Model fingerprint: 0x454aed21
Variable types: 40 continuous, 1719 integer (1719 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 1.0000000
Presolve removed 28960 rows and 30 columns
Presolve time: 0.68s
Presolved: 58491 rows, 1729 columns, 177217 nonzeros
Variable types: 0 continuous, 1729 integer (1689 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1729 rows, 60220 columns, 178946 nonzeros


Root relaxation: objective 3.400000e+01, 1807 iterations, 0.39 seconds (0.42 work units)

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

     0     0   34.00000    0  392    5.00000   34.00000   580%     -    4s
H    0     0                       6.0000000   34.00000   467%     -    4s
H    0     0                       7.0000000   34.00000   386%     -    5s
     0     0   34.00000    0  631    7.00000   34.00000   386%     -   10s
     0     0   34.00000    0  588    7.00000   34.00000   386%     -   12s
H    0     0                       8.0000000   34.00000   325%     -   28s
     0     0   34.00000    0  384    8.00000   34.00000   325%     -   28s
     0     0   34.00000    0  383    8.00000   34.00000   325%     -   28s
H    0     0                       9.0000000   34.00000   278%     -   43s
H    0     0                      10.0000000   34.00000   240%     -   43s
H    0     0                      11.0000000   34.00000   209%     -   43s
H    0     0                      12.0000000   34.00000   183%     -   43s
     0     0   34.00000    0  462   12.00000   34.00000   183%     -   43s
     0     0   34.00000    0  460   12.00000   34.00000   183%     -   45s
     0     0   34.00000    0  500   12.00000   34.00000   183%     -   50s

Cutting planes:
  Cover: 30
  Clique: 31
  MIR: 94
  StrongCG: 1
  GUB cover: 1
  Zero half: 26
  RLT: 57
  BQP: 3

Explored 1 nodes (40342 simplex iterations) in 50.06 seconds (44.54 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 12 11 10 ... 1

Time limit reached
Best objective 1.200000000000e+01, best bound 3.400000000000e+01, gap 183.3333%

Wrote result file './lp_solutions/grafo7028.37.sol'

