
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:39:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6116.35.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/grafo6116.35.lp
Reading time = 0.09 seconds
: 52096 rows, 1538 columns, 157416 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 52096 rows, 1538 columns and 157416 nonzeros
Model fingerprint: 0xd5e5677a
Variable types: 38 continuous, 1500 integer (1500 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 13082 rows and 27 columns
Presolve time: 0.36s
Presolved: 39014 rows, 1511 columns, 118429 nonzeros
Variable types: 0 continuous, 1511 integer (1473 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 24033 rows, 16492 columns, 88467 nonzeros


Root relaxation: objective 3.800000e+01, 1517 iterations, 0.47 seconds (0.44 work units)

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

     0     0   38.00000    0  381    6.00000   38.00000   533%     -    2s
H    0     0                       7.0000000   38.00000   443%     -    2s
H    0     0                       8.0000000   38.00000   375%     -    3s
     0     0   38.00000    0  592    8.00000   38.00000   375%     -    7s
     0     0   38.00000    0  559    8.00000   38.00000   375%     -    8s
H    0     0                       9.0000000   38.00000   322%     -   24s
     0     0   38.00000    0  359    9.00000   38.00000   322%     -   24s
     0     0   38.00000    0  357    9.00000   38.00000   322%     -   25s
H    0     0                      10.0000000   38.00000   280%     -   33s
     0     0   38.00000    0  407   10.00000   38.00000   280%     -   33s
     0     0   38.00000    0  412   10.00000   38.00000   280%     -   34s
H    0     0                      11.0000000   38.00000   245%     -   40s
     0     0   38.00000    0  481   11.00000   38.00000   245%     -   40s
     0     0   38.00000    0  460   11.00000   38.00000   245%     -   40s
     0     0   38.00000    0  434   11.00000   38.00000   245%     -   45s
     0     0   38.00000    0  442   11.00000   38.00000   245%     -   46s
     0     0   38.00000    0  440   11.00000   38.00000   245%     -   50s

Cutting planes:
  Cover: 3
  Clique: 6
  MIR: 51
  Zero half: 11
  RLT: 38

Explored 1 nodes (64392 simplex iterations) in 50.07 seconds (44.12 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 11 10 9 ... -0

Time limit reached
Best objective 1.100000000000e+01, best bound 3.800000000000e+01, gap 245.4545%

Wrote result file './lp_solutions/grafo6116.35.sol'

