
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:16:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1810.30.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/grafo1810.30.lp
Reading time = 0.10 seconds
: 52447 rows, 1340 columns, 158404 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 52447 rows, 1340 columns and 158404 nonzeros
Model fingerprint: 0xdbf71389
Variable types: 36 continuous, 1304 integer (1304 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 17045 rows and 24 columns
Presolve time: 0.40s
Presolved: 35402 rows, 1316 columns, 107664 nonzeros
Variable types: 0 continuous, 1316 integer (1280 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 24202 rows, 12516 columns, 85264 nonzeros


Root relaxation: objective 3.100000e+01, 1967 iterations, 0.78 seconds (0.74 work units)

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

     0     0   31.00000    0  298    7.00000   31.00000   343%     -    2s
H    0     0                       8.0000000   31.00000   287%     -    2s
     0     0   31.00000    0  454    8.00000   31.00000   287%     -    5s
     0     0   31.00000    0  414    8.00000   31.00000   287%     -    6s
H    0     0                       9.0000000   31.00000   244%     -   12s
     0     0   31.00000    0  346    9.00000   31.00000   244%     -   12s
     0     0   31.00000    0  329    9.00000   31.00000   244%     -   13s
     0     0   31.00000    0  314    9.00000   31.00000   244%     -   17s
     0     0   31.00000    0  280    9.00000   31.00000   244%     -   17s
     0     0   31.00000    0  402    9.00000   31.00000   244%     -   24s
     0     0   31.00000    0  404    9.00000   31.00000   244%     -   25s
     0     0   31.00000    0  289    9.00000   31.00000   244%     -   33s
     0     0   31.00000    0  359    9.00000   31.00000   244%     -   34s
     0     0   31.00000    0  244    9.00000   31.00000   244%     -   39s
     0     0   31.00000    0  325    9.00000   31.00000   244%     -   39s
     0     0   31.00000    0  277    9.00000   31.00000   244%     -   43s
     0     0   31.00000    0  217    9.00000   31.00000   244%     -   46s

Cutting planes:
  Clique: 4
  MIR: 1
  RLT: 2

Explored 1 nodes (64252 simplex iterations) in 50.02 seconds (44.29 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 9 8 7 -0 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.100000000000e+01, gap 244.4444%

Wrote result file './lp_solutions/grafo1810.30.sol'

