
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 05:33:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3004.38.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/grafo3004.38.lp
Reading time = 0.07 seconds
: 39795 rows, 1391 columns, 120150 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 39795 rows, 1391 columns and 120150 nonzeros
Model fingerprint: 0x47e02e04
Variable types: 32 continuous, 1359 integer (1359 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]
Found heuristic solution: objective -0.0000000
Presolve removed 7737 rows and 24 columns
Presolve time: 0.38s
Presolved: 32058 rows, 1367 columns, 97189 nonzeros
Variable types: 0 continuous, 1367 integer (1335 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 18662 rows, 14763 columns, 70397 nonzeros


Root relaxation: objective 2.900000e+01, 2639 iterations, 1.35 seconds (0.93 work units)

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

     0     0   29.00000    0  377    6.00000   29.00000   383%     -    4s
H    0     0                       7.0000000   29.00000   314%     -    6s
     0     0   29.00000    0  498    7.00000   29.00000   314%     -    9s
     0     0   29.00000    0  481    7.00000   29.00000   314%     -   10s
H    0     0                       8.0000000   29.00000   262%     -   19s
     0     0   29.00000    0  384    8.00000   29.00000   262%     -   19s
     0     0   29.00000    0  356    8.00000   29.00000   262%     -   20s
     0     0   29.00000    0  234    8.00000   29.00000   262%     -   23s
     0     0   29.00000    0  219    8.00000   29.00000   262%     -   23s
H    0     0                       9.0000000   29.00000   222%     -   34s
     0     0   29.00000    0  224    9.00000   29.00000   222%     -   34s
     0     0   29.00000    0  239    9.00000   29.00000   222%     -   34s
H    0     0                      10.0000000   29.00000   190%     -   44s
     0     0   29.00000    0  261   10.00000   29.00000   190%     -   44s
     0     0   29.00000    0  222   10.00000   29.00000   190%     -   45s
     0     0   29.00000    0  266   10.00000   29.00000   190%     -   47s
     0     0   29.00000    0  316   10.00000   29.00000   190%     -   48s
     0     0   29.00000    0  365   10.00000   29.00000   190%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 23
  Clique: 11
  MIR: 87
  StrongCG: 1
  GUB cover: 7
  Zero half: 29
  RLT: 38
  BQP: 1

Explored 1 nodes (60594 simplex iterations) in 50.04 seconds (31.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 2.900000000000e+01, gap 190.0000%

Wrote result file './lp_solutions/grafo3004.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:19:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3004.38.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/grafo3004.38.lp
Reading time = 0.07 seconds
: 39795 rows, 1391 columns, 120150 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 39795 rows, 1391 columns and 120150 nonzeros
Model fingerprint: 0x47e02e04
Variable types: 32 continuous, 1359 integer (1359 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]
Found heuristic solution: objective -0.0000000
Presolve removed 7737 rows and 24 columns
Presolve time: 0.27s
Presolved: 32058 rows, 1367 columns, 97189 nonzeros
Variable types: 0 continuous, 1367 integer (1335 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 18662 rows, 14763 columns, 70397 nonzeros


Root relaxation: objective 2.900000e+01, 2639 iterations, 0.98 seconds (0.93 work units)

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

     0     0   29.00000    0  377    6.00000   29.00000   383%     -    3s
H    0     0                       7.0000000   29.00000   314%     -    4s
     0     0   29.00000    0  498    7.00000   29.00000   314%     -    6s
     0     0   29.00000    0  481    7.00000   29.00000   314%     -    7s
H    0     0                       8.0000000   29.00000   262%     -   13s
     0     0   29.00000    0  384    8.00000   29.00000   262%     -   13s
     0     0   29.00000    0  356    8.00000   29.00000   262%     -   13s
     0     0   29.00000    0  234    8.00000   29.00000   262%     -   15s
     0     0   29.00000    0  219    8.00000   29.00000   262%     -   15s
H    0     0                       9.0000000   29.00000   222%     -   23s
     0     0   29.00000    0  224    9.00000   29.00000   222%     -   23s
     0     0   29.00000    0  239    9.00000   29.00000   222%     -   23s
H    0     0                      10.0000000   29.00000   190%     -   29s
     0     0   29.00000    0  261   10.00000   29.00000   190%     -   29s
     0     0   29.00000    0  222   10.00000   29.00000   190%     -   29s
     0     0   29.00000    0  266   10.00000   29.00000   190%     -   31s
     0     0   29.00000    0  316   10.00000   29.00000   190%     -   31s
     0     0   29.00000    0  232   10.00000   29.00000   190%     -   37s
     0     0   29.00000    0  232   10.00000   29.00000   190%     -   37s
     0     2   29.00000    0  200   10.00000   29.00000   190%     -   41s
    54    59   27.50000   12  282   10.00000   29.00000   190%   300   45s
   153   159   24.33333   32  217   10.00000   29.00000   190%   244   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 3
  Clique: 6
  MIR: 69
  StrongCG: 1
  Zero half: 2
  RLT: 26

Explored 158 nodes (111433 simplex iterations) in 50.04 seconds (53.84 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 2.900000000000e+01, gap 190.0000%

Wrote result file './lp_solutions/grafo3004.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:15:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3004.38.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/grafo3004.38.lp
Reading time = 0.06 seconds
: 39795 rows, 1391 columns, 120150 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 39795 rows, 1391 columns and 120150 nonzeros
Model fingerprint: 0x47e02e04
Variable types: 32 continuous, 1359 integer (1359 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]
Found heuristic solution: objective -0.0000000
Presolve removed 7737 rows and 24 columns
Presolve time: 0.25s
Presolved: 32058 rows, 1367 columns, 97189 nonzeros
Variable types: 0 continuous, 1367 integer (1335 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 18662 rows, 14763 columns, 70397 nonzeros


Root relaxation: objective 2.900000e+01, 2639 iterations, 0.92 seconds (0.93 work units)

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

     0     0   29.00000    0  377    6.00000   29.00000   383%     -    3s
H    0     0                       7.0000000   29.00000   314%     -    4s
     0     0   29.00000    0  498    7.00000   29.00000   314%     -    6s
     0     0   29.00000    0  481    7.00000   29.00000   314%     -    7s
H    0     0                       8.0000000   29.00000   262%     -   12s
     0     0   29.00000    0  384    8.00000   29.00000   262%     -   12s
     0     0   29.00000    0  356    8.00000   29.00000   262%     -   13s
     0     0   29.00000    0  234    8.00000   29.00000   262%     -   15s
     0     0   29.00000    0  219    8.00000   29.00000   262%     -   15s
H    0     0                       9.0000000   29.00000   222%     -   22s
     0     0   29.00000    0  224    9.00000   29.00000   222%     -   22s
     0     0   29.00000    0  239    9.00000   29.00000   222%     -   22s
H    0     0                      10.0000000   29.00000   190%     -   28s
     0     0   29.00000    0  261   10.00000   29.00000   190%     -   28s
     0     0   29.00000    0  222   10.00000   29.00000   190%     -   28s
     0     0   29.00000    0  266   10.00000   29.00000   190%     -   30s
     0     0   29.00000    0  316   10.00000   29.00000   190%     -   30s
     0     0   29.00000    0  232   10.00000   29.00000   190%     -   36s
     0     0   29.00000    0  232   10.00000   29.00000   190%     -   36s
     0     2   29.00000    0  200   10.00000   29.00000   190%     -   39s
     3     8   29.00000    2  226   10.00000   29.00000   190%   465   40s
    62    67   27.50000   14  253   10.00000   29.00000   190%   339   45s
   153   161   24.33333   32  217   10.00000   29.00000   190%   244   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 3
  Clique: 6
  MIR: 69
  StrongCG: 1
  Zero half: 2
  RLT: 26

Explored 160 nodes (116689 simplex iterations) in 50.04 seconds (55.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 2.900000000000e+01, gap 190.0000%

Wrote result file './lp_solutions/grafo3004.38.sol'

