
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:20:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10038.38.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/grafo10038.38.lp
Reading time = 0.30 seconds
: 58511 rows, 1821 columns, 176921 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 58511 rows, 1821 columns and 176921 nonzeros
Model fingerprint: 0xcd070768
Variable types: 41 continuous, 1780 integer (1780 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 2.0000000
Presolve removed 11847 rows and 28 columns
Presolve time: 1.09s
Presolved: 46664 rows, 1793 columns, 141863 nonzeros
Variable types: 0 continuous, 1793 integer (1752 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 27568 rows, 20889 columns, 103671 nonzeros


Root relaxation: objective 3.400000e+01, 3001 iterations, 3.59 seconds (1.31 work units)
Total elapsed time = 10.28s (DegenMoves)

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

     0     0   34.00000    0  480   12.00000   34.00000   183%     -   12s
H    0     0                      13.0000000   34.00000   162%     -   12s
H    0     0                      15.0000000   34.00000   127%     -   19s
     0     0   34.00000    0  632   15.00000   34.00000   127%     -   35s
     0     0   34.00000    0  608   15.00000   34.00000   127%     -   38s

Cutting planes:
  Gomory: 5
  Lift-and-project: 19
  Cover: 4
  Clique: 11
  MIR: 79
  Zero half: 35
  RLT: 59

Explored 1 nodes (13321 simplex iterations) in 50.58 seconds (11.01 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 15 13 12 2 

Time limit reached
Best objective 1.500000000000e+01, best bound 3.400000000000e+01, gap 126.6667%

Wrote result file './lp_solutions/grafo10038.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:37:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10038.38.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/grafo10038.38.lp
Reading time = 0.07 seconds
: 58511 rows, 1821 columns, 176921 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 58511 rows, 1821 columns and 176921 nonzeros
Model fingerprint: 0xcd070768
Variable types: 41 continuous, 1780 integer (1780 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 2.0000000
Presolve removed 11847 rows and 28 columns
Presolve time: 0.32s
Presolved: 46664 rows, 1793 columns, 141863 nonzeros
Variable types: 0 continuous, 1793 integer (1752 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 27568 rows, 20889 columns, 103671 nonzeros


Root relaxation: objective 3.400000e+01, 3001 iterations, 1.00 seconds (1.31 work units)

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

     0     0   34.00000    0  480   12.00000   34.00000   183%     -    3s
H    0     0                      13.0000000   34.00000   162%     -    3s
H    0     0                      15.0000000   34.00000   127%     -    4s
     0     0   34.00000    0  632   15.00000   34.00000   127%     -    8s
     0     0   34.00000    0  608   15.00000   34.00000   127%     -    8s
     0     0   33.00000    0  415   15.00000   33.00000   120%     -   19s
     0     0   33.00000    0  383   15.00000   33.00000   120%     -   20s
H    0     0                      16.0000000   33.00000   106%     -   31s
     0     0   33.00000    0  437   16.00000   33.00000   106%     -   31s
     0     0   33.00000    0  465   16.00000   33.00000   106%     -   32s
     0     0   33.00000    0  549   16.00000   33.00000   106%     -   39s
     0     0   33.00000    0  525   16.00000   33.00000   106%     -   40s
     0     0   33.00000    0  530   16.00000   33.00000   106%     -   50s

Cutting planes:
  Cover: 29
  Clique: 10
  MIR: 131
  Zero half: 50
  RLT: 58
  Relax-and-lift: 1
  BQP: 2

Explored 1 nodes (73095 simplex iterations) in 50.05 seconds (57.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 16 15 13 ... 2

Time limit reached
Best objective 1.600000000000e+01, best bound 3.300000000000e+01, gap 106.2500%

Wrote result file './lp_solutions/grafo10038.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 02:21:18 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10038.38.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/grafo10038.38.lp
Reading time = 0.10 seconds
: 58511 rows, 1821 columns, 176921 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 58511 rows, 1821 columns and 176921 nonzeros
Model fingerprint: 0xcd070768
Variable types: 41 continuous, 1780 integer (1780 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 2.0000000
Presolve removed 11847 rows and 28 columns
Presolve time: 0.43s
Presolved: 46664 rows, 1793 columns, 141863 nonzeros
Variable types: 0 continuous, 1793 integer (1752 binary)
Found heuristic solution: objective 12.0000000
Root relaxation presolved: 27568 rows, 20889 columns, 103671 nonzeros


Root relaxation: objective 3.400000e+01, 3001 iterations, 1.41 seconds (1.31 work units)

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

     0     0   34.00000    0  480   12.00000   34.00000   183%     -    4s
H    0     0                      13.0000000   34.00000   162%     -    4s
H    0     0                      15.0000000   34.00000   127%     -    6s
     0     0   34.00000    0  632   15.00000   34.00000   127%     -   11s
     0     0   34.00000    0  608   15.00000   34.00000   127%     -   12s
     0     0   33.00000    0  415   15.00000   33.00000   120%     -   26s
     0     0   33.00000    0  383   15.00000   33.00000   120%     -   26s
H    0     0                      16.0000000   33.00000   106%     -   41s
     0     0   33.00000    0  437   16.00000   33.00000   106%     -   41s
     0     0   33.00000    0  465   16.00000   33.00000   106%     -   42s
     0     0   33.00000    0  552   16.00000   33.00000   106%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 33
  Clique: 9
  MIR: 104
  GUB cover: 2
  Zero half: 38
  RLT: 57

Explored 1 nodes (55116 simplex iterations) in 50.06 seconds (42.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 16 15 13 ... 2

Time limit reached
Best objective 1.600000000000e+01, best bound 3.300000000000e+01, gap 106.2500%

Wrote result file './lp_solutions/grafo10038.38.sol'

