
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 01:27:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo847.22.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/grafo847.22.lp
Reading time = 0.19 seconds
: 112298 rows, 1001 columns, 337736 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 112298 rows, 1001 columns and 337736 nonzeros
Model fingerprint: 0x2e11e367
Variable types: 29 continuous, 972 integer (972 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 61724 rows and 4 columns
Presolve time: 0.75s
Presolved: 50574 rows, 997 columns, 152927 nonzeros
Variable types: 0 continuous, 997 integer (968 binary)
Root relaxation presolved: 996 rows, 51570 columns, 153924 nonzeros


Root relaxation: objective 3.400000e+01, 1255 iterations, 0.41 seconds (0.43 work units)

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

     0     0   34.00000    0  297          -   34.00000      -     -    3s
H    0     0                      10.0000000   34.00000   240%     -    3s
     0     0   34.00000    0  419   10.00000   34.00000   240%     -    7s
H    0     0                      12.0000000   34.00000   183%     -    8s
     0     0   34.00000    0  437   12.00000   34.00000   183%     -    8s
H    0     0                      13.0000000   34.00000   162%     -   29s
     0     0   34.00000    0  312   13.00000   34.00000   162%     -   29s
     0     0   34.00000    0  297   13.00000   34.00000   162%     -   29s
H    0     0                      14.0000000   34.00000   143%     -   50s
     0     0   34.00000    0  292   14.00000   34.00000   143%     -   50s

Cutting planes:
  Clique: 16
  MIR: 1
  RLT: 7
  BQP: 1

Explored 1 nodes (39449 simplex iterations) in 50.13 seconds (48.82 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 12 10 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.400000000000e+01, gap 142.8571%

Wrote result file './lp_solutions/grafo847.22.sol'

