
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:49:02 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo4007.37.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/grafo4007.37.lp
Reading time = 0.11 seconds
: 45575 rows, 1743 columns, 138093 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 45575 rows, 1743 columns and 138093 nonzeros
Model fingerprint: 0xdddeb0ce
Variable types: 42 continuous, 1701 integer (1701 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 1.0000000
Presolve removed 4560 rows and 39 columns
Presolve time: 0.53s
Presolved: 41015 rows, 1704 columns, 124755 nonzeros
Variable types: 0 continuous, 1704 integer (1662 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 21765 rows, 20954 columns, 86255 nonzeros


Root relaxation: objective 3.400000e+01, 3884 iterations, 2.35 seconds (1.45 work units)
Total elapsed time = 5.57s (DegenMoves)

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

     0     0   34.00000    0  441    7.00000   34.00000   386%     -    6s
H    0     0                       8.0000000   34.00000   325%     -    6s
     0     0   34.00000    0  808    8.00000   34.00000   325%     -   20s
     0     0   34.00000    0  796    8.00000   34.00000   325%     -   22s
     0     0   34.00000    0  617    8.00000   34.00000   325%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 10
  MIR: 108
  StrongCG: 1
  Zero half: 80
  RLT: 50

Explored 1 nodes (41065 simplex iterations) in 50.07 seconds (30.54 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 8 7 1 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.400000000000e+01, gap 325.0000%

Wrote result file './lp_solutions/grafo4007.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:35:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo4007.37.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/grafo4007.37.lp
Reading time = 0.09 seconds
: 45575 rows, 1743 columns, 138093 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 45575 rows, 1743 columns and 138093 nonzeros
Model fingerprint: 0xdddeb0ce
Variable types: 42 continuous, 1701 integer (1701 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 1.0000000
Presolve removed 4560 rows and 39 columns
Presolve time: 0.40s
Presolved: 41015 rows, 1704 columns, 124755 nonzeros
Variable types: 0 continuous, 1704 integer (1662 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 21765 rows, 20954 columns, 86255 nonzeros


Root relaxation: objective 3.400000e+01, 3884 iterations, 2.22 seconds (1.45 work units)
Total elapsed time = 5.08s (DegenMoves)

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

     0     0   34.00000    0  441    7.00000   34.00000   386%     -    5s
H    0     0                       8.0000000   34.00000   325%     -    5s
     0     0   34.00000    0  808    8.00000   34.00000   325%     -   19s
     0     0   34.00000    0  796    8.00000   34.00000   325%     -   21s
     0     0   34.00000    0  617    8.00000   34.00000   325%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 10
  MIR: 108
  StrongCG: 1
  Zero half: 80
  RLT: 50

Explored 1 nodes (42307 simplex iterations) in 50.06 seconds (31.61 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 8 7 1 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.400000000000e+01, gap 325.0000%

Wrote result file './lp_solutions/grafo4007.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:38:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo4007.37.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/grafo4007.37.lp
Reading time = 0.08 seconds
: 45575 rows, 1743 columns, 138093 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 45575 rows, 1743 columns and 138093 nonzeros
Model fingerprint: 0xdddeb0ce
Variable types: 42 continuous, 1701 integer (1701 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 1.0000000
Presolve removed 4560 rows and 39 columns
Presolve time: 0.34s
Presolved: 41015 rows, 1704 columns, 124755 nonzeros
Variable types: 0 continuous, 1704 integer (1662 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 21765 rows, 20954 columns, 86255 nonzeros


Root relaxation: objective 3.400000e+01, 3884 iterations, 1.95 seconds (1.45 work units)

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

     0     0   34.00000    0  441    7.00000   34.00000   386%     -    5s
H    0     0                       8.0000000   34.00000   325%     -    5s
     0     0   34.00000    0  808    8.00000   34.00000   325%     -   16s
     0     0   34.00000    0  796    8.00000   34.00000   325%     -   18s
     0     0   34.00000    0  527    8.00000   34.00000   325%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 10
  MIR: 108
  StrongCG: 1
  Zero half: 80
  RLT: 50

Explored 1 nodes (47400 simplex iterations) in 50.06 seconds (35.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 8 7 1 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.400000000000e+01, gap 325.0000%

Wrote result file './lp_solutions/grafo4007.37.sol'

