
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:46:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3866.35.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/grafo3866.35.lp
Reading time = 0.10 seconds
: 59942 rows, 1517 columns, 180931 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 59942 rows, 1517 columns and 180931 nonzeros
Model fingerprint: 0x1f24339e
Variable types: 37 continuous, 1480 integer (1480 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 -0.0000000
Presolve removed 17711 rows and 21 columns
Presolve time: 0.44s
Presolved: 42231 rows, 1496 columns, 128023 nonzeros
Variable types: 0 continuous, 1496 integer (1459 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 27916 rows, 15811 columns, 99393 nonzeros


Root relaxation: objective 3.500000e+01, 2780 iterations, 1.42 seconds (1.56 work units)

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

     0     0   35.00000    0  588    6.00000   35.00000   483%     -    5s
H    0     0                       8.0000000   35.00000   337%     -    6s
     0     0   35.00000    0  658    8.00000   35.00000   337%     -   13s
     0     0   35.00000    0  646    8.00000   35.00000   337%     -   14s
H    0     0                      10.0000000   35.00000   250%     -   16s
     0     0   35.00000    0  275   10.00000   35.00000   250%     -   21s
H    0     0                      11.0000000   35.00000   218%     -   21s
     0     0   35.00000    0  363   11.00000   35.00000   218%     -   21s
     0     0   35.00000    0  281   11.00000   35.00000   218%     -   28s
     0     0   35.00000    0  380   11.00000   35.00000   218%     -   29s
H    0     0                      12.0000000   35.00000   192%     -   36s
     0     0   35.00000    0  293   12.00000   35.00000   192%     -   36s
     0     0   35.00000    0  360   12.00000   35.00000   192%     -   37s
     0     0   35.00000    0  496   12.00000   35.00000   192%     -   50s

Cutting planes:
  Cover: 35
  Clique: 15
  MIR: 151
  StrongCG: 3
  GUB cover: 7
  Zero half: 68
  RLT: 51

Explored 1 nodes (60541 simplex iterations) in 50.04 seconds (50.15 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 12 11 10 ... -0

Time limit reached
Best objective 1.200000000000e+01, best bound 3.500000000000e+01, gap 191.6667%

Wrote result file './lp_solutions/grafo3866.35.sol'

