
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 05:12:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo4034.40.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/grafo4034.40.lp
Reading time = 0.10 seconds
: 65871 rows, 1690 columns, 198748 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 65871 rows, 1690 columns and 198748 nonzeros
Model fingerprint: 0x29692e06
Variable types: 37 continuous, 1653 integer (1653 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 16967 rows and 7 columns
Presolve time: 0.40s
Presolved: 48904 rows, 1683 columns, 147970 nonzeros
Variable types: 0 continuous, 1683 integer (1646 binary)
Root relaxation presolved: 1680 rows, 50584 columns, 149653 nonzeros


Root relaxation: objective 3.300000e+01, 1812 iterations, 0.42 seconds (0.47 work units)

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

     0     0   33.00000    0  441          -   33.00000      -     -    4s
H    0     0                       7.0000000   33.00000   371%     -    4s
H    0     0                       8.0000000   33.00000   312%     -    4s
     0     0   33.00000    0  635    8.00000   33.00000   312%     -   10s
     0     0   33.00000    0  621    8.00000   33.00000   312%     -   10s
H    0     0                       9.0000000   33.00000   267%     -   12s
     0     0   33.00000    0  391    9.00000   33.00000   267%     -   17s
H    0     0                      11.0000000   33.00000   200%     -   17s
     0     0   33.00000    0  373   11.00000   33.00000   200%     -   17s
     0     0   33.00000    0  373   11.00000   33.00000   200%     -   23s
H    0     0                      12.0000000   33.00000   175%     -   24s
     0     0   33.00000    0  355   12.00000   33.00000   175%     -   24s
H    0     0                      14.0000000   33.00000   136%     -   32s
     0     0   33.00000    0  407   14.00000   33.00000   136%     -   32s
     0     0   33.00000    0  397   14.00000   33.00000   136%     -   32s
     0     0   33.00000    0  353   14.00000   33.00000   136%     -   38s
     0     0   33.00000    0  436   14.00000   33.00000   136%     -   39s
     0     0   33.00000    0  417   14.00000   33.00000   136%     -   44s
     0     0   33.00000    0  361   14.00000   33.00000   136%     -   45s
     0     0   33.00000    0  535   14.00000   33.00000   136%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 22
  Clique: 28
  MIR: 81
  StrongCG: 2
  Inf proof: 1
  Zero half: 18
  RLT: 57
  BQP: 2

Explored 1 nodes (60583 simplex iterations) in 50.07 seconds (47.48 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 12 11 ... 7

Time limit reached
Best objective 1.400000000000e+01, best bound 3.300000000000e+01, gap 135.7143%

Wrote result file './lp_solutions/grafo4034.40.sol'

