
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:04:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3451.43.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/grafo3451.43.lp
Reading time = 0.12 seconds
: 59737 rows, 2083 columns, 180777 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 59737 rows, 2083 columns and 180777 nonzeros
Model fingerprint: 0x5f182134
Variable types: 44 continuous, 2039 integer (2039 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 5166 rows and 38 columns
Presolve time: 0.75s
Presolved: 54571 rows, 2045 columns, 165621 nonzeros
Variable types: 0 continuous, 2045 integer (2001 binary)
Root relaxation presolved: 28986 rows, 27630 columns, 114451 nonzeros


Root relaxation: objective 3.400000e+01, 3239 iterations, 2.41 seconds (1.34 work units)
Total elapsed time = 6.56s (DegenMoves)

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

     0     0   34.00000    0  449          -   34.00000      -     -    7s
H    0     0                       5.0000000   34.00000   580%     -   10s
H    0     0                       8.0000000   34.00000   325%     -   10s
     0     0   34.00000    0  706    8.00000   34.00000   325%     -   18s
     0     0   34.00000    0  662    8.00000   34.00000   325%     -   20s
H    0     0                       9.0000000   34.00000   278%     -   45s
H    0     0                      10.0000000   34.00000   240%     -   45s
H    0     0                      11.0000000   34.00000   209%     -   45s
H    0     0                      12.0000000   34.00000   183%     -   45s
H    0     0                      13.0000000   34.00000   162%     -   45s
     0     0   34.00000    0  531   13.00000   34.00000   162%     -   45s
     0     0   34.00000    0  502   13.00000   34.00000   162%     -   46s
     0     0          -    0        13.00000   34.00000   162%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 23
  Clique: 4
  MIR: 104
  GUB cover: 3
  Zero half: 36
  RLT: 47
  Relax-and-lift: 1
  BQP: 3
  PSD: 1

Explored 1 nodes (34840 simplex iterations) in 50.09 seconds (29.43 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 13 12 11 ... 5

Time limit reached
Best objective 1.300000000000e+01, best bound 3.400000000000e+01, gap 161.5385%

Wrote result file './lp_solutions/grafo3451.43.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 05:50:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3451.43.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/grafo3451.43.lp
Reading time = 0.09 seconds
: 59737 rows, 2083 columns, 180777 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 59737 rows, 2083 columns and 180777 nonzeros
Model fingerprint: 0x5f182134
Variable types: 44 continuous, 2039 integer (2039 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 5166 rows and 38 columns
Presolve time: 0.41s
Presolved: 54571 rows, 2045 columns, 165621 nonzeros
Variable types: 0 continuous, 2045 integer (2001 binary)
Root relaxation presolved: 28986 rows, 27630 columns, 114451 nonzeros


Root relaxation: objective 3.400000e+01, 3239 iterations, 1.40 seconds (1.34 work units)

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

     0     0   34.00000    0  449          -   34.00000      -     -    5s
H    0     0                       5.0000000   34.00000   580%     -    6s
H    0     0                       8.0000000   34.00000   325%     -    6s
     0     0   34.00000    0  706    8.00000   34.00000   325%     -   11s
     0     0   34.00000    0  662    8.00000   34.00000   325%     -   12s
H    0     0                       9.0000000   34.00000   278%     -   30s
H    0     0                      10.0000000   34.00000   240%     -   30s
H    0     0                      11.0000000   34.00000   209%     -   30s
H    0     0                      12.0000000   34.00000   183%     -   30s
H    0     0                      13.0000000   34.00000   162%     -   30s
     0     0   34.00000    0  531   13.00000   34.00000   162%     -   30s
     0     0   34.00000    0  502   13.00000   34.00000   162%     -   31s
     0     0   34.00000    0  434   13.00000   34.00000   162%     -   41s
     0     0   34.00000    0  412   13.00000   34.00000   162%     -   42s
     0     0   34.00000    0  461   13.00000   34.00000   162%     -   50s

Cutting planes:
  Cover: 26
  Clique: 4
  MIR: 88
  GUB cover: 7
  Zero half: 32
  RLT: 44
  BQP: 1

Explored 1 nodes (57282 simplex iterations) in 50.07 seconds (45.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 13 12 11 ... 5

Time limit reached
Best objective 1.300000000000e+01, best bound 3.400000000000e+01, gap 161.5385%

Wrote result file './lp_solutions/grafo3451.43.sol'

