
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 05:12:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2703.36.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/grafo2703.36.lp
Reading time = 0.10 seconds
: 49688 rows, 1484 columns, 150091 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 49688 rows, 1484 columns and 150091 nonzeros
Model fingerprint: 0xabb3fe98
Variable types: 36 continuous, 1448 integer (1448 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 12102 rows and 23 columns
Presolve time: 0.50s
Presolved: 37586 rows, 1461 columns, 114060 nonzeros
Variable types: 0 continuous, 1461 integer (1425 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 23306 rows, 15741 columns, 85500 nonzeros


Root relaxation: objective 3.100000e+01, 2063 iterations, 1.13 seconds (0.71 work units)

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

     0     0   31.00000    0  406    6.00000   31.00000   417%     -    3s
H    0     0                       7.0000000   31.00000   343%     -    3s
H    0     0                       8.0000000   31.00000   288%     -    5s
     0     0   31.00000    0  696    8.00000   31.00000   288%     -   11s
     0     0   31.00000    0  637    8.00000   31.00000   288%     -   13s
H    0     0                       9.0000000   31.00000   244%     -   22s
     0     0   31.00000    0  302    9.00000   31.00000   244%     -   22s
     0     0   31.00000    0  241    9.00000   31.00000   244%     -   22s
H    0     0                      10.0000000   31.00000   210%     -   29s
     0     0   31.00000    0  360   10.00000   31.00000   210%     -   29s
     0     0   31.00000    0  359   10.00000   31.00000   210%     -   29s
     0     0   31.00000    0  342   10.00000   31.00000   210%     -   36s
     0     0   31.00000    0  335   10.00000   31.00000   210%     -   36s
H    0     0                      11.0000000   31.00000   182%     -   46s
     0     0   31.00000    0  481   11.00000   31.00000   182%     -   46s
     0     0   31.00000    0  486   11.00000   31.00000   182%     -   47s
     0     0          -    0        11.00000   31.00000   182%     -   50s

Cutting planes:
  Cover: 10
  Clique: 9
  MIR: 74
  StrongCG: 1
  GUB cover: 2
  Zero half: 37
  RLT: 49
  BQP: 3

Explored 1 nodes (48358 simplex iterations) in 50.09 seconds (30.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 6

Time limit reached
Best objective 1.100000000000e+01, best bound 3.100000000000e+01, gap 181.8182%

Wrote result file './lp_solutions/grafo2703.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:14:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2703.36.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/grafo2703.36.lp
Reading time = 0.08 seconds
: 49688 rows, 1484 columns, 150091 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 49688 rows, 1484 columns and 150091 nonzeros
Model fingerprint: 0xabb3fe98
Variable types: 36 continuous, 1448 integer (1448 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 12102 rows and 23 columns
Presolve time: 0.34s
Presolved: 37586 rows, 1461 columns, 114060 nonzeros
Variable types: 0 continuous, 1461 integer (1425 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 23306 rows, 15741 columns, 85500 nonzeros


Root relaxation: objective 3.100000e+01, 2063 iterations, 0.72 seconds (0.71 work units)

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

     0     0   31.00000    0  406    6.00000   31.00000   417%     -    2s
H    0     0                       7.0000000   31.00000   343%     -    2s
H    0     0                       8.0000000   31.00000   288%     -    3s
     0     0   31.00000    0  696    8.00000   31.00000   288%     -    7s
     0     0   31.00000    0  637    8.00000   31.00000   288%     -    8s
H    0     0                       9.0000000   31.00000   244%     -   15s
     0     0   31.00000    0  302    9.00000   31.00000   244%     -   15s
     0     0   31.00000    0  241    9.00000   31.00000   244%     -   15s
H    0     0                      10.0000000   31.00000   210%     -   20s
     0     0   31.00000    0  360   10.00000   31.00000   210%     -   20s
     0     0   31.00000    0  359   10.00000   31.00000   210%     -   20s
     0     0   31.00000    0  342   10.00000   31.00000   210%     -   24s
     0     0   31.00000    0  335   10.00000   31.00000   210%     -   24s
H    0     0                      11.0000000   31.00000   182%     -   32s
     0     0   31.00000    0  481   11.00000   31.00000   182%     -   32s
     0     0   31.00000    0  486   11.00000   31.00000   182%     -   32s
     0     0   31.00000    0  391   11.00000   31.00000   182%     -   38s
H    0     0                      12.0000000   31.00000   158%     -   39s
     0     0   31.00000    0  363   12.00000   31.00000   158%     -   39s
     0     0   31.00000    0  346   12.00000   31.00000   158%     -   43s
     0     0   31.00000    0  346   12.00000   31.00000   158%     -   44s
     0     2   31.00000    0  346   12.00000   31.00000   158%     -   48s
    23    27   31.00000    6  318   12.00000   31.00000   158%   407   50s

Cutting planes:
  Cover: 5
  Clique: 10
  MIR: 71
  Zero half: 6
  RLT: 44
  BQP: 1

Explored 26 nodes (75652 simplex iterations) in 50.07 seconds (48.17 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 12 11 10 ... 6

Time limit reached
Best objective 1.200000000000e+01, best bound 3.100000000000e+01, gap 158.3333%

Wrote result file './lp_solutions/grafo2703.36.sol'

