
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:52:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10232.37.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/grafo10232.37.lp
Reading time = 1.81 seconds
: 70983 rows, 1953 columns, 214623 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 70983 rows, 1953 columns and 214623 nonzeros
Model fingerprint: 0x20f251bc
Variable types: 45 continuous, 1908 integer (1908 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 15840 rows and 34 columns
Presolve time: 4.08s
Presolved: 55143 rows, 1919 columns, 167553 nonzeros
Variable types: 0 continuous, 1919 integer (1874 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1916 rows, 57059 columns, 169472 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
     934    3.6415761e+01   1.453072e+02   0.000000e+00      5s
    1653    4.0000000e+01   0.000000e+00   0.000000e+00      5s
    1653    4.0000000e+01   0.000000e+00   0.000000e+00      5s
    1653    4.0000000e+01   0.000000e+00   0.000000e+00      5s

Root relaxation: objective 4.000000e+01, 1653 iterations, 0.87 seconds (0.33 work units)
Total elapsed time = 10.75s (DegenMoves)

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

     0     0   40.00000    0  348    9.00000   40.00000   344%     -   13s
H    0     0                      10.0000000   40.00000   300%     -   17s
     0     0   40.00000    0  578   10.00000   40.00000   300%     -   28s
     0     0   40.00000    0  570   10.00000   40.00000   300%     -   29s
     0     0          -    0        10.00000   40.00000   300%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 33
  Cover: 19
  Clique: 12
  MIR: 98
  StrongCG: 2
  GUB cover: 3
  Zero half: 30
  RLT: 45
  BQP: 2

Explored 1 nodes (13285 simplex iterations) in 50.42 seconds (11.43 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 9 2 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.000000000000e+01, gap 300.0000%

Wrote result file './lp_solutions/grafo10232.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 10:46:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10232.37.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/grafo10232.37.lp
Reading time = 0.12 seconds
: 70983 rows, 1953 columns, 214623 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 70983 rows, 1953 columns and 214623 nonzeros
Model fingerprint: 0x20f251bc
Variable types: 45 continuous, 1908 integer (1908 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 15840 rows and 34 columns
Presolve time: 0.53s
Presolved: 55143 rows, 1919 columns, 167553 nonzeros
Variable types: 0 continuous, 1919 integer (1874 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1916 rows, 57059 columns, 169472 nonzeros


Root relaxation: objective 4.000000e+01, 1653 iterations, 0.36 seconds (0.33 work units)

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

     0     0   40.00000    0  348    9.00000   40.00000   344%     -    4s
H    0     0                      10.0000000   40.00000   300%     -    6s
     0     0   40.00000    0  578   10.00000   40.00000   300%     -   11s
     0     0   40.00000    0  570   10.00000   40.00000   300%     -   11s
     0     0   40.00000    0  509   10.00000   40.00000   300%     -   28s
H    0     0                      11.0000000   40.00000   264%     -   30s
     0     0   40.00000    0  470   11.00000   40.00000   264%     -   30s
     0     0   40.00000    0  529   11.00000   40.00000   264%     -   50s

Cutting planes:
  Cover: 33
  Clique: 10
  MIR: 132
  StrongCG: 2
  GUB cover: 2
  Zero half: 70
  RLT: 60
  BQP: 1

Explored 1 nodes (43042 simplex iterations) in 50.08 seconds (39.44 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 10 9 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.000000000000e+01, gap 263.6364%

Wrote result file './lp_solutions/grafo10232.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 01:57:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10232.37.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/grafo10232.37.lp
Reading time = 0.25 seconds
: 70983 rows, 1953 columns, 214623 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 70983 rows, 1953 columns and 214623 nonzeros
Model fingerprint: 0x20f251bc
Variable types: 45 continuous, 1908 integer (1908 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 15840 rows and 34 columns
Presolve time: 0.70s
Presolved: 55143 rows, 1919 columns, 167553 nonzeros
Variable types: 0 continuous, 1919 integer (1874 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1916 rows, 57059 columns, 169472 nonzeros


Root relaxation: objective 4.000000e+01, 1653 iterations, 0.55 seconds (0.33 work units)
Total elapsed time = 5.59s (DegenMoves)

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

     0     0   40.00000    0  348    9.00000   40.00000   344%     -    5s
H    0     0                      10.0000000   40.00000   300%     -    7s
     0     0   40.00000    0  578   10.00000   40.00000   300%     -   14s
     0     0   40.00000    0  570   10.00000   40.00000   300%     -   15s
     0     0   40.00000    0  509   10.00000   40.00000   300%     -   34s
H    0     0                      11.0000000   40.00000   264%     -   36s
     0     0   40.00000    0  470   11.00000   40.00000   264%     -   36s
     0     0   40.00000    0  637   11.00000   40.00000   264%     -   50s

Cutting planes:
  Cover: 33
  Clique: 10
  MIR: 132
  StrongCG: 2
  GUB cover: 2
  Zero half: 70
  RLT: 60
  BQP: 1

Explored 1 nodes (34155 simplex iterations) in 50.07 seconds (30.90 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 10 9 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.000000000000e+01, gap 263.6364%

Wrote result file './lp_solutions/grafo10232.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:58:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10232.37.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/grafo10232.37.lp
Reading time = 0.12 seconds
: 70983 rows, 1953 columns, 214623 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 70983 rows, 1953 columns and 214623 nonzeros
Model fingerprint: 0x20f251bc
Variable types: 45 continuous, 1908 integer (1908 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 15840 rows and 34 columns
Presolve time: 0.50s
Presolved: 55143 rows, 1919 columns, 167553 nonzeros
Variable types: 0 continuous, 1919 integer (1874 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1916 rows, 57059 columns, 169472 nonzeros


Root relaxation: objective 4.000000e+01, 1653 iterations, 0.35 seconds (0.33 work units)

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

     0     0   40.00000    0  348    9.00000   40.00000   344%     -    4s
H    0     0                      10.0000000   40.00000   300%     -    5s
     0     0   40.00000    0  578   10.00000   40.00000   300%     -    9s
     0     0   40.00000    0  570   10.00000   40.00000   300%     -   10s
     0     0   40.00000    0  509   10.00000   40.00000   300%     -   24s
H    0     0                      11.0000000   40.00000   264%     -   25s
     0     0   40.00000    0  470   11.00000   40.00000   264%     -   25s
H    0     0                      13.0000000   40.00000   208%     -   43s
     0     0   40.00000    0  523   13.00000   40.00000   208%     -   43s
     0     0   40.00000    0  539   13.00000   40.00000   208%     -   45s
     0     0   40.00000    0  536   13.00000   40.00000   208%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 34
  Clique: 13
  MIR: 166
  StrongCG: 1
  GUB cover: 2
  Zero half: 43
  RLT: 51
  BQP: 1

Explored 1 nodes (50258 simplex iterations) in 50.10 seconds (46.70 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 13 11 10 ... 2

Time limit reached
Best objective 1.300000000000e+01, best bound 4.000000000000e+01, gap 207.6923%

Wrote result file './lp_solutions/grafo10232.37.sol'

