
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:16:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11617.35.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/grafo11617.35.lp
Reading time = 0.12 seconds
: 70529 rows, 1511 columns, 212655 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 70529 rows, 1511 columns and 212655 nonzeros
Model fingerprint: 0xb616b443
Variable types: 35 continuous, 1476 integer (1476 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 24455 rows and 18 columns
Presolve time: 0.48s
Presolved: 46074 rows, 1493 columns, 139612 nonzeros
Variable types: 0 continuous, 1493 integer (1458 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1493 rows, 47567 columns, 141105 nonzeros


Root relaxation: objective 3.600000e+01, 1513 iterations, 0.29 seconds (0.31 work units)

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

     0     0   36.00000    0  385    7.00000   36.00000   414%     -    3s
H    0     0                       8.0000000   36.00000   350%     -    3s
H    0     0                       9.0000000   36.00000   300%     -    4s
H    0     0                      10.0000000   36.00000   260%     -    7s
     0     0   36.00000    0  615   10.00000   36.00000   260%     -    7s
     0     0   36.00000    0  594   10.00000   36.00000   260%     -    8s
H    0     0                      12.0000000   36.00000   200%     -   22s
     0     0   36.00000    0  371   12.00000   36.00000   200%     -   22s
     0     0   36.00000    0  342   12.00000   36.00000   200%     -   22s
     0     0   36.00000    0  382   12.00000   36.00000   200%     -   33s
     0     0   36.00000    0  446   12.00000   36.00000   200%     -   34s
     0     0   36.00000    0  378   12.00000   36.00000   200%     -   45s
     0     0   36.00000    0  378   12.00000   36.00000   200%     -   45s
     0     0  postponed    0        12.00000   36.00000   200%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 10
  Clique: 12
  MIR: 114
  StrongCG: 2
  GUB cover: 3
  Zero half: 55
  RLT: 51
  Relax-and-lift: 2

Explored 1 nodes (53196 simplex iterations) in 50.08 seconds (46.24 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 12 10 9 ... 1

Time limit reached
Best objective 1.200000000000e+01, best bound 3.600000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo11617.35.sol'

