
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:28:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3725.37.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/grafo3725.37.lp
Reading time = 0.12 seconds
: 62461 rows, 1653 columns, 188578 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 62461 rows, 1653 columns and 188578 nonzeros
Model fingerprint: 0x55cf267e
Variable types: 38 continuous, 1615 integer (1615 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 18329 rows and 19 columns
Presolve time: 0.60s
Presolved: 44132 rows, 1634 columns, 133850 nonzeros
Variable types: 0 continuous, 1634 integer (1596 binary)
Root relaxation presolved: 27926 rows, 17840 columns, 101438 nonzeros


Root relaxation: objective 4.100000e+01, 1897 iterations, 1.25 seconds (0.73 work units)

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

     0     0   41.00000    0  341          -   41.00000      -     -    4s
H    0     0                      10.0000000   41.00000   310%     -    4s
H    0     0                      11.0000000   41.00000   273%     -    5s
     0     0   40.95556    0  629   11.00000   40.95556   272%     -   11s
H    0     0                      12.0000000   40.95556   241%     -   13s
     0     0   40.95556    0  619   12.00000   40.95556   241%     -   13s
H    0     0                      13.0000000   40.95556   215%     -   50s
H    0     0                      14.0000000   40.95556   193%     -   50s
H    0     0                      15.0000000   40.95556   173%     -   50s
H    0     0                      16.0000000   40.95556   156%     -   50s
     0     0   40.62222    0  366   16.00000   40.62222   154%     -   50s

Cutting planes:
  Clique: 8
  MIR: 5
  Zero half: 2
  RLT: 9
  BQP: 2

Explored 1 nodes (38705 simplex iterations) in 50.14 seconds (32.25 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 16 15 14 ... 10

Time limit reached
Best objective 1.600000000000e+01, best bound 4.000000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo3725.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:28:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3725.37.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/grafo3725.37.lp
Reading time = 0.11 seconds
: 62461 rows, 1653 columns, 188578 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 62461 rows, 1653 columns and 188578 nonzeros
Model fingerprint: 0x55cf267e
Variable types: 38 continuous, 1615 integer (1615 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 18329 rows and 19 columns
Presolve time: 0.44s
Presolved: 44132 rows, 1634 columns, 133850 nonzeros
Variable types: 0 continuous, 1634 integer (1596 binary)
Root relaxation presolved: 27926 rows, 17840 columns, 101438 nonzeros


Root relaxation: objective 4.100000e+01, 1897 iterations, 0.75 seconds (0.73 work units)

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

     0     0   41.00000    0  341          -   41.00000      -     -    3s
H    0     0                      10.0000000   41.00000   310%     -    3s
H    0     0                      11.0000000   41.00000   273%     -    3s
     0     0   40.95556    0  629   11.00000   40.95556   272%     -    8s
H    0     0                      12.0000000   40.95556   241%     -    8s
     0     0   40.95556    0  619   12.00000   40.95556   241%     -    8s
H    0     0                      13.0000000   40.95556   215%     -   37s
H    0     0                      14.0000000   40.95556   193%     -   37s
H    0     0                      15.0000000   40.95556   173%     -   37s
H    0     0                      16.0000000   40.95556   156%     -   37s
     0     0   40.55556    0  366   16.00000   40.55556   153%     -   37s
     0     0   40.55556    0  442   16.00000   40.55556   153%     -   37s
     0     0   40.45556    0  378   16.00000   40.45556   153%     -   46s
     0     0   40.45556    0  305   16.00000   40.45556   153%     -   47s
     0     0   40.45556    0  559   16.00000   40.45556   153%     -   50s

Cutting planes:
  Cover: 25
  Clique: 21
  MIR: 196
  StrongCG: 1
  GUB cover: 3
  Zero half: 54
  RLT: 49
  BQP: 2

Explored 1 nodes (52968 simplex iterations) in 50.05 seconds (42.85 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 16 15 14 ... 10

Time limit reached
Best objective 1.600000000000e+01, best bound 4.000000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo3725.37.sol'

