
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:35:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5711.38.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/grafo5711.38.lp
Reading time = 0.08 seconds
: 42603 rows, 1689 columns, 129078 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 42603 rows, 1689 columns and 129078 nonzeros
Model fingerprint: 0x4ca7b1df
Variable types: 40 continuous, 1649 integer (1649 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 3706 rows and 33 columns
Presolve time: 0.36s
Presolved: 38897 rows, 1656 columns, 118300 nonzeros
Variable types: 0 continuous, 1656 integer (1616 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 20581 rows, 19972 columns, 81668 nonzeros


Root relaxation: objective 2.900000e+01, 2167 iterations, 0.90 seconds (0.54 work units)

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

     0     0   29.00000    0  305    8.00000   29.00000   262%     -    3s
H    0     0                      10.0000000   29.00000   190%     -    3s
H    0     0                      11.0000000   29.00000   164%     -    3s
     0     0   29.00000    0  499   11.00000   29.00000   164%     -    8s
     0     0   29.00000    0  494   11.00000   29.00000   164%     -    8s
     0     0   29.00000    0  412   11.00000   29.00000   164%     -   20s
     0     0   29.00000    0  423   11.00000   29.00000   164%     -   21s
H    0     0                      12.0000000   29.00000   142%     -   22s
H    0     0                      13.0000000   29.00000   123%     -   30s
     0     0   29.00000    0  359   13.00000   29.00000   123%     -   30s
     0     0   29.00000    0  399   13.00000   29.00000   123%     -   31s
     0     0   29.00000    0  330   13.00000   29.00000   123%     -   40s
     0     0   29.00000    0  308   13.00000   29.00000   123%     -   41s
     0     0   29.00000    0  299   13.00000   29.00000   123%     -   47s
     0     0   29.00000    0  327   13.00000   29.00000   123%     -   47s
     0     0   29.00000    0  414   13.00000   29.00000   123%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 24
  Clique: 1
  MIR: 75
  StrongCG: 2
  GUB cover: 1
  Inf proof: 1
  Zero half: 24
  RLT: 40

Explored 1 nodes (52442 simplex iterations) in 50.07 seconds (29.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 12 11 ... 8

Time limit reached
Best objective 1.300000000000e+01, best bound 2.900000000000e+01, gap 123.0769%

Wrote result file './lp_solutions/grafo5711.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:39:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5711.38.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/grafo5711.38.lp
Reading time = 0.08 seconds
: 42603 rows, 1689 columns, 129078 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 42603 rows, 1689 columns and 129078 nonzeros
Model fingerprint: 0x4ca7b1df
Variable types: 40 continuous, 1649 integer (1649 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 3706 rows and 33 columns
Presolve time: 0.30s
Presolved: 38897 rows, 1656 columns, 118300 nonzeros
Variable types: 0 continuous, 1656 integer (1616 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 20581 rows, 19972 columns, 81668 nonzeros


Root relaxation: objective 2.900000e+01, 2167 iterations, 0.67 seconds (0.54 work units)

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

     0     0   29.00000    0  305    8.00000   29.00000   262%     -    2s
H    0     0                      10.0000000   29.00000   190%     -    2s
H    0     0                      11.0000000   29.00000   164%     -    2s
     0     0   29.00000    0  499   11.00000   29.00000   164%     -    5s
     0     0   29.00000    0  494   11.00000   29.00000   164%     -    6s
     0     0   29.00000    0  412   11.00000   29.00000   164%     -   15s
     0     0   29.00000    0  423   11.00000   29.00000   164%     -   16s
H    0     0                      12.0000000   29.00000   142%     -   16s
H    0     0                      13.0000000   29.00000   123%     -   23s
     0     0   29.00000    0  359   13.00000   29.00000   123%     -   23s
     0     0   29.00000    0  399   13.00000   29.00000   123%     -   24s
     0     0   29.00000    0  330   13.00000   29.00000   123%     -   30s
     0     0   29.00000    0  308   13.00000   29.00000   123%     -   31s
     0     0   29.00000    0  299   13.00000   29.00000   123%     -   35s
     0     0   29.00000    0  327   13.00000   29.00000   123%     -   35s
H    0     0                      14.0000000   29.00000   107%     -   44s
H    0     0                      15.0000000   29.00000  93.3%     -   44s
     0     0   29.00000    0  342   15.00000   29.00000  93.3%     -   44s
     0     0   29.00000    0  342   15.00000   29.00000  93.3%     -   45s

Cutting planes:
  Gomory: 1
  Cover: 4
  Clique: 1
  MIR: 24
  Inf proof: 1
  Zero half: 3
  RLT: 18

Explored 1 nodes (62817 simplex iterations) in 50.03 seconds (39.24 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 8

Time limit reached
Best objective 1.500000000000e+01, best bound 2.900000000000e+01, gap 93.3333%

Wrote result file './lp_solutions/grafo5711.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:35:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5711.38.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/grafo5711.38.lp
Reading time = 0.07 seconds
: 42603 rows, 1689 columns, 129078 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 42603 rows, 1689 columns and 129078 nonzeros
Model fingerprint: 0x4ca7b1df
Variable types: 40 continuous, 1649 integer (1649 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 3706 rows and 33 columns
Presolve time: 0.27s
Presolved: 38897 rows, 1656 columns, 118300 nonzeros
Variable types: 0 continuous, 1656 integer (1616 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 20581 rows, 19972 columns, 81668 nonzeros


Root relaxation: objective 2.900000e+01, 2167 iterations, 0.61 seconds (0.54 work units)

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

     0     0   29.00000    0  305    8.00000   29.00000   262%     -    2s
H    0     0                      10.0000000   29.00000   190%     -    2s
H    0     0                      11.0000000   29.00000   164%     -    2s
     0     0   29.00000    0  499   11.00000   29.00000   164%     -    5s
     0     0   29.00000    0  494   11.00000   29.00000   164%     -    5s
     0     0   29.00000    0  412   11.00000   29.00000   164%     -   13s
     0     0   29.00000    0  423   11.00000   29.00000   164%     -   13s
H    0     0                      12.0000000   29.00000   142%     -   14s
H    0     0                      13.0000000   29.00000   123%     -   19s
     0     0   29.00000    0  359   13.00000   29.00000   123%     -   19s
     0     0   29.00000    0  399   13.00000   29.00000   123%     -   20s
     0     0   29.00000    0  330   13.00000   29.00000   123%     -   25s
     0     0   29.00000    0  308   13.00000   29.00000   123%     -   26s
     0     0   29.00000    0  299   13.00000   29.00000   123%     -   29s
     0     0   29.00000    0  327   13.00000   29.00000   123%     -   29s
H    0     0                      14.0000000   29.00000   107%     -   37s
H    0     0                      15.0000000   29.00000  93.3%     -   37s
     0     0   29.00000    0  342   15.00000   29.00000  93.3%     -   37s
     0     0   29.00000    0  342   15.00000   29.00000  93.3%     -   38s
H    0     0                      16.0000000   29.00000  81.2%     -   44s
     0     2   29.00000    0  279   16.00000   29.00000  81.2%     -   46s
    32    42   29.00000    8  263   16.00000   29.00000  81.2%   421   50s

Cutting planes:
  Gomory: 1
  Cover: 5
  Clique: 1
  MIR: 105
  Inf proof: 1
  Zero half: 9
  RLT: 41

Explored 41 nodes (76951 simplex iterations) in 50.04 seconds (48.59 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 16 15 14 ... 8

Time limit reached
Best objective 1.600000000000e+01, best bound 2.900000000000e+01, gap 81.2500%

Wrote result file './lp_solutions/grafo5711.38.sol'

