
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:26:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3700.38.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/grafo3700.38.lp
Reading time = 0.09 seconds
: 44042 rows, 1643 columns, 133301 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 44042 rows, 1643 columns and 133301 nonzeros
Model fingerprint: 0x217f4410
Variable types: 39 continuous, 1604 integer (1604 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 5361 rows and 42 columns
Presolve time: 0.39s
Presolved: 38681 rows, 1601 columns, 117594 nonzeros
Variable types: 0 continuous, 1601 integer (1562 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 21106 rows, 19176 columns, 82444 nonzeros


Root relaxation: objective 2.700000e+01, 3184 iterations, 2.17 seconds (1.20 work units)
Total elapsed time = 5.81s (DegenMoves)

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

     0     0   27.00000    0  469    6.00000   27.00000   350%     -    7s
H    0     0                       8.0000000   27.00000   237%     -    7s
     0     0   27.00000    0  539    8.00000   27.00000   237%     -   13s
     0     0   27.00000    0  510    8.00000   27.00000   237%     -   15s
     0     0   27.00000    0  322    8.00000   27.00000   237%     -   22s
     0     0   27.00000    0  308    8.00000   27.00000   237%     -   23s
     0     0   27.00000    0  327    8.00000   27.00000   237%     -   31s
     0     0   27.00000    0  266    8.00000   27.00000   237%     -   32s
     0     0   27.00000    0  390    8.00000   27.00000   237%     -   38s
     0     0   27.00000    0  398    8.00000   27.00000   237%     -   39s
     0     0   27.00000    0  306    8.00000   27.00000   237%     -   45s
     0     0   27.00000    0  343    8.00000   27.00000   237%     -   46s
     0     0   27.00000    0  492    8.00000   27.00000   237%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 24
  MIR: 50
  GUB cover: 7
  Zero half: 31
  RLT: 33

Explored 1 nodes (48995 simplex iterations) in 50.07 seconds (28.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 8 6 

Time limit reached
Best objective 8.000000000000e+00, best bound 2.700000000000e+01, gap 237.5000%

Wrote result file './lp_solutions/grafo3700.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:23:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3700.38.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/grafo3700.38.lp
Reading time = 0.07 seconds
: 44042 rows, 1643 columns, 133301 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 44042 rows, 1643 columns and 133301 nonzeros
Model fingerprint: 0x217f4410
Variable types: 39 continuous, 1604 integer (1604 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 5361 rows and 42 columns
Presolve time: 0.31s
Presolved: 38681 rows, 1601 columns, 117594 nonzeros
Variable types: 0 continuous, 1601 integer (1562 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 21106 rows, 19176 columns, 82444 nonzeros


Root relaxation: objective 2.700000e+01, 3184 iterations, 1.48 seconds (1.20 work units)
Total elapsed time = 5.14s (DegenMoves)

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

     0     0   27.00000    0  469    6.00000   27.00000   350%     -    5s
H    0     0                       8.0000000   27.00000   237%     -    5s
     0     0   27.00000    0  539    8.00000   27.00000   237%     -   10s
     0     0   27.00000    0  510    8.00000   27.00000   237%     -   10s
     0     0   27.00000    0  322    8.00000   27.00000   237%     -   16s
     0     0   27.00000    0  308    8.00000   27.00000   237%     -   16s
     0     0   27.00000    0  327    8.00000   27.00000   237%     -   22s
     0     0   27.00000    0  266    8.00000   27.00000   237%     -   23s
     0     0   27.00000    0  390    8.00000   27.00000   237%     -   27s
     0     0   27.00000    0  398    8.00000   27.00000   237%     -   28s
     0     0   27.00000    0  306    8.00000   27.00000   237%     -   32s
     0     0   27.00000    0  343    8.00000   27.00000   237%     -   32s
H    0     0                       9.0000000   27.00000   200%     -   37s
     0     0   27.00000    0  320    9.00000   27.00000   200%     -   37s
     0     0   27.00000    0  336    9.00000   27.00000   200%     -   38s
     0     0   27.00000    0  240    9.00000   27.00000   200%     -   41s
     0     0   27.00000    0  293    9.00000   27.00000   200%     -   42s
     0     0   27.00000    0  277    9.00000   27.00000   200%     -   46s
     0     0   27.00000    0  275    9.00000   27.00000   200%     -   46s

Cutting planes:
  MIR: 11
  Zero half: 1
  RLT: 14

Explored 1 nodes (71223 simplex iterations) in 50.04 seconds (42.67 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 9 8 6 

Time limit reached
Best objective 9.000000000000e+00, best bound 2.700000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo3700.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:19:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3700.38.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/grafo3700.38.lp
Reading time = 0.07 seconds
: 44042 rows, 1643 columns, 133301 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 44042 rows, 1643 columns and 133301 nonzeros
Model fingerprint: 0x217f4410
Variable types: 39 continuous, 1604 integer (1604 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 5361 rows and 42 columns
Presolve time: 0.28s
Presolved: 38681 rows, 1601 columns, 117594 nonzeros
Variable types: 0 continuous, 1601 integer (1562 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 21106 rows, 19176 columns, 82444 nonzeros


Root relaxation: objective 2.700000e+01, 3184 iterations, 1.30 seconds (1.20 work units)

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

     0     0   27.00000    0  469    6.00000   27.00000   350%     -    4s
H    0     0                       8.0000000   27.00000   237%     -    4s
     0     0   27.00000    0  539    8.00000   27.00000   237%     -    9s
     0     0   27.00000    0  510    8.00000   27.00000   237%     -    9s
     0     0   27.00000    0  322    8.00000   27.00000   237%     -   14s
     0     0   27.00000    0  308    8.00000   27.00000   237%     -   15s
     0     0   27.00000    0  327    8.00000   27.00000   237%     -   21s
     0     0   27.00000    0  266    8.00000   27.00000   237%     -   21s
     0     0   27.00000    0  390    8.00000   27.00000   237%     -   25s
     0     0   27.00000    0  398    8.00000   27.00000   237%     -   26s
     0     0   27.00000    0  306    8.00000   27.00000   237%     -   29s
     0     0   27.00000    0  343    8.00000   27.00000   237%     -   29s
H    0     0                       9.0000000   27.00000   200%     -   34s
     0     0   27.00000    0  320    9.00000   27.00000   200%     -   34s
     0     0   27.00000    0  336    9.00000   27.00000   200%     -   35s
     0     0   27.00000    0  240    9.00000   27.00000   200%     -   38s
     0     0   27.00000    0  293    9.00000   27.00000   200%     -   39s
     0     0   27.00000    0  277    9.00000   27.00000   200%     -   42s
     0     0   27.00000    0  275    9.00000   27.00000   200%     -   42s
     0     2   27.00000    0  224    9.00000   27.00000   200%     -   46s
    43    48   26.47917   10  271    9.00000   27.00000   200%   268   50s

Cutting planes:
  Gomory: 1
  MIR: 49
  StrongCG: 1
  Zero half: 4
  RLT: 36

Explored 47 nodes (83038 simplex iterations) in 50.05 seconds (48.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 9 8 6 

Time limit reached
Best objective 9.000000000000e+00, best bound 2.700000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo3700.38.sol'

