
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 04:10:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1502.33.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/grafo1502.33.lp
Reading time = 0.12 seconds
: 57329 rows, 1467 columns, 173063 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 57329 rows, 1467 columns and 173063 nonzeros
Model fingerprint: 0x230fcb81
Variable types: 37 continuous, 1430 integer (1430 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 17967 rows and 24 columns
Presolve time: 0.56s
Presolved: 39362 rows, 1443 columns, 119419 nonzeros
Variable types: 0 continuous, 1443 integer (1406 binary)
Root relaxation presolved: 26136 rows, 14669 columns, 92967 nonzeros


Root relaxation: objective 4.200000e+01, 2262 iterations, 1.59 seconds (1.04 work units)

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

     0     0   42.00000    0  351          -   42.00000      -     -    4s
H    0     0                       5.0000000   42.00000   740%     -    4s
H    0     0                       7.0000000   42.00000   500%     -    4s
H    0     0                       8.0000000   42.00000   425%     -    5s
     0     0   42.00000    0  586    8.00000   42.00000   425%     -   11s
     0     0   42.00000    0  606    8.00000   42.00000   425%     -   12s
H    0     0                       9.0000000   42.00000   367%     -   36s
H    0     0                      12.0000000   42.00000   250%     -   36s
     0     0   42.00000    0  434   12.00000   42.00000   250%     -   38s
     0     0   42.00000    0  486   12.00000   42.00000   250%     -   39s
     0     0   42.00000    0  696   12.00000   42.00000   250%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 30
  Clique: 14
  MIR: 169
  StrongCG: 4
  GUB cover: 2
  Zero half: 46
  RLT: 80

Explored 1 nodes (40214 simplex iterations) in 50.06 seconds (31.99 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 9 8 ... 5

Time limit reached
Best objective 1.200000000000e+01, best bound 4.200000000000e+01, gap 250.0000%

Wrote result file './lp_solutions/grafo1502.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 11:36:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1502.33.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/grafo1502.33.lp
Reading time = 0.10 seconds
: 57329 rows, 1467 columns, 173063 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 57329 rows, 1467 columns and 173063 nonzeros
Model fingerprint: 0x230fcb81
Variable types: 37 continuous, 1430 integer (1430 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 17967 rows and 24 columns
Presolve time: 0.47s
Presolved: 39362 rows, 1443 columns, 119419 nonzeros
Variable types: 0 continuous, 1443 integer (1406 binary)
Root relaxation presolved: 26136 rows, 14669 columns, 92967 nonzeros


Root relaxation: objective 4.200000e+01, 2262 iterations, 1.09 seconds (1.04 work units)

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

     0     0   42.00000    0  351          -   42.00000      -     -    3s
H    0     0                       5.0000000   42.00000   740%     -    3s
H    0     0                       7.0000000   42.00000   500%     -    3s
H    0     0                       8.0000000   42.00000   425%     -    4s
     0     0   42.00000    0  586    8.00000   42.00000   425%     -    8s
     0     0   42.00000    0  606    8.00000   42.00000   425%     -    8s
H    0     0                       9.0000000   42.00000   367%     -   27s
H    0     0                      12.0000000   42.00000   250%     -   27s
     0     0   42.00000    0  434   12.00000   42.00000   250%     -   28s
     0     0   42.00000    0  486   12.00000   42.00000   250%     -   29s
     0     0   42.00000    0  499   12.00000   42.00000   250%     -   43s
     0     0   42.00000    0  483   12.00000   42.00000   250%     -   43s
     0     0   42.00000    0  654   12.00000   42.00000   250%     -   50s

Cutting planes:
  Cover: 27
  Clique: 13
  MIR: 133
  GUB cover: 2
  Zero half: 30
  RLT: 79

Explored 1 nodes (56825 simplex iterations) in 50.03 seconds (46.09 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 9 8 ... 5

Time limit reached
Best objective 1.200000000000e+01, best bound 4.200000000000e+01, gap 250.0000%

Wrote result file './lp_solutions/grafo1502.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 04:39:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1502.33.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/grafo1502.33.lp
Reading time = 0.09 seconds
: 57329 rows, 1467 columns, 173063 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 57329 rows, 1467 columns and 173063 nonzeros
Model fingerprint: 0x230fcb81
Variable types: 37 continuous, 1430 integer (1430 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 17967 rows and 24 columns
Presolve time: 0.40s
Presolved: 39362 rows, 1443 columns, 119419 nonzeros
Variable types: 0 continuous, 1443 integer (1406 binary)
Root relaxation presolved: 26136 rows, 14669 columns, 92967 nonzeros


Root relaxation: objective 4.200000e+01, 2262 iterations, 1.00 seconds (1.04 work units)

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

     0     0   42.00000    0  351          -   42.00000      -     -    3s
H    0     0                       5.0000000   42.00000   740%     -    3s
H    0     0                       7.0000000   42.00000   500%     -    3s
H    0     0                       8.0000000   42.00000   425%     -    3s
     0     0   42.00000    0  586    8.00000   42.00000   425%     -    7s
     0     0   42.00000    0  606    8.00000   42.00000   425%     -    7s
H    0     0                       9.0000000   42.00000   367%     -   25s
H    0     0                      12.0000000   42.00000   250%     -   25s
     0     0   42.00000    0  434   12.00000   42.00000   250%     -   25s
     0     0   42.00000    0  486   12.00000   42.00000   250%     -   26s
     0     0   42.00000    0  499   12.00000   42.00000   250%     -   40s
     0     0   42.00000    0  483   12.00000   42.00000   250%     -   41s
     0     0   42.00000    0  354   12.00000   42.00000   250%     -   50s

Cutting planes:
  Cover: 27
  Clique: 13
  MIR: 133
  GUB cover: 2
  Zero half: 30
  RLT: 79

Explored 1 nodes (61011 simplex iterations) in 50.05 seconds (48.83 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 9 8 ... 5

Time limit reached
Best objective 1.200000000000e+01, best bound 4.200000000000e+01, gap 250.0000%

Wrote result file './lp_solutions/grafo1502.33.sol'

