
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 22:14:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10402.40.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/grafo10402.40.lp
Reading time = 0.26 seconds
: 58234 rows, 1946 columns, 176220 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 58234 rows, 1946 columns and 176220 nonzeros
Model fingerprint: 0xb8530c3b
Variable types: 43 continuous, 1903 integer (1903 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 8518 rows and 24 columns
Presolve time: 0.98s
Presolved: 49716 rows, 1922 columns, 150997 nonzeros
Variable types: 0 continuous, 1922 integer (1879 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 27495 rows, 24143 columns, 106555 nonzeros


Root relaxation: objective 4.200000e+01, 1577 iterations, 1.22 seconds (0.42 work units)
Total elapsed time = 6.09s (DegenMoves)

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

     0     0   42.00000    0  331    6.00000   42.00000   600%     -    6s
H    0     0                      10.0000000   42.00000   320%     -    6s
H    0     0                      11.0000000   42.00000   282%     -    6s
H    0     0                      12.0000000   42.00000   250%     -    7s
H    0     0                      13.0000000   42.00000   223%     -    9s
H    0     0                      14.0000000   42.00000   200%     -   20s
     0     0   42.00000    0  658   14.00000   42.00000   200%     -   20s
     0     0   42.00000    0  620   14.00000   42.00000   200%     -   33s

Cutting planes:
  Gomory: 3
  Cover: 18
  Clique: 3
  MIR: 160
  StrongCG: 2
  GUB cover: 1
  Zero half: 49
  RLT: 37

Explored 1 nodes (11881 simplex iterations) in 53.33 seconds (8.56 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 13 12 ... 6

Time limit reached
Best objective 1.400000000000e+01, best bound 4.200000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo10402.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 10:55:21 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10402.40.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/grafo10402.40.lp
Reading time = 0.10 seconds
: 58234 rows, 1946 columns, 176220 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 58234 rows, 1946 columns and 176220 nonzeros
Model fingerprint: 0xb8530c3b
Variable types: 43 continuous, 1903 integer (1903 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 8518 rows and 24 columns
Presolve time: 0.41s
Presolved: 49716 rows, 1922 columns, 150997 nonzeros
Variable types: 0 continuous, 1922 integer (1879 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 27495 rows, 24143 columns, 106555 nonzeros


Root relaxation: objective 4.200000e+01, 1577 iterations, 0.54 seconds (0.42 work units)

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

     0     0   42.00000    0  331    6.00000   42.00000   600%     -    2s
H    0     0                      10.0000000   42.00000   320%     -    2s
H    0     0                      11.0000000   42.00000   282%     -    2s
H    0     0                      12.0000000   42.00000   250%     -    3s
H    0     0                      13.0000000   42.00000   223%     -    4s
H    0     0                      14.0000000   42.00000   200%     -    9s
     0     0   42.00000    0  658   14.00000   42.00000   200%     -    9s
     0     0   42.00000    0  620   14.00000   42.00000   200%     -   10s
H    0     0                      15.0000000   42.00000   180%     -   20s
     0     0   42.00000    0  524   15.00000   42.00000   180%     -   20s
     0     0   42.00000    0  519   15.00000   42.00000   180%     -   20s
     0     0   41.83333    0  458   15.00000   41.83333   179%     -   33s
H    0     0                      17.0000000   41.83333   146%     -   33s
     0     0   41.83333    0  417   17.00000   41.83333   146%     -   33s
     0     0   41.66667    0  284   17.00000   41.66667   145%     -   40s
     0     0   41.66667    0  283   17.00000   41.66667   145%     -   40s
     0     0   41.66667    0  305   17.00000   41.66667   145%     -   46s
     0     0   41.66667    0  308   17.00000   41.66667   145%     -   46s
     0     0   41.66667    0  446   17.00000   41.66667   145%     -   50s

Cutting planes:
  Cover: 33
  Clique: 1
  MIR: 229
  StrongCG: 3
  GUB cover: 2
  Zero half: 33
  RLT: 59

Explored 1 nodes (54596 simplex iterations) in 50.07 seconds (36.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 17 15 14 ... 6

Time limit reached
Best objective 1.700000000000e+01, best bound 4.100000000000e+01, gap 141.1765%

Wrote result file './lp_solutions/grafo10402.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:04:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10402.40.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/grafo10402.40.lp
Reading time = 0.11 seconds
: 58234 rows, 1946 columns, 176220 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 58234 rows, 1946 columns and 176220 nonzeros
Model fingerprint: 0xb8530c3b
Variable types: 43 continuous, 1903 integer (1903 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 8518 rows and 24 columns
Presolve time: 0.55s
Presolved: 49716 rows, 1922 columns, 150997 nonzeros
Variable types: 0 continuous, 1922 integer (1879 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 27495 rows, 24143 columns, 106555 nonzeros


Root relaxation: objective 4.200000e+01, 1577 iterations, 0.81 seconds (0.42 work units)

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

     0     0   42.00000    0  331    6.00000   42.00000   600%     -    3s
H    0     0                      10.0000000   42.00000   320%     -    3s
H    0     0                      11.0000000   42.00000   282%     -    4s
H    0     0                      12.0000000   42.00000   250%     -    4s
H    0     0                      13.0000000   42.00000   223%     -    5s
H    0     0                      14.0000000   42.00000   200%     -   12s
     0     0   42.00000    0  658   14.00000   42.00000   200%     -   12s
     0     0   42.00000    0  620   14.00000   42.00000   200%     -   14s
H    0     0                      15.0000000   42.00000   180%     -   26s
     0     0   42.00000    0  524   15.00000   42.00000   180%     -   26s
     0     0   42.00000    0  519   15.00000   42.00000   180%     -   26s
     0     0   41.83333    0  458   15.00000   41.83333   179%     -   43s
H    0     0                      17.0000000   41.83333   146%     -   43s
     0     0   41.83333    0  417   17.00000   41.83333   146%     -   43s
     0     0   41.83333    0  592   17.00000   41.83333   146%     -   50s

Cutting planes:
  Cover: 42
  Clique: 3
  MIR: 205
  StrongCG: 1
  GUB cover: 4
  Zero half: 61
  RLT: 67

Explored 1 nodes (39029 simplex iterations) in 50.09 seconds (27.42 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 17 15 14 ... 6

Time limit reached
Best objective 1.700000000000e+01, best bound 4.100000000000e+01, gap 141.1765%

Wrote result file './lp_solutions/grafo10402.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:55:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10402.40.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/grafo10402.40.lp
Reading time = 0.09 seconds
: 58234 rows, 1946 columns, 176220 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 58234 rows, 1946 columns and 176220 nonzeros
Model fingerprint: 0xb8530c3b
Variable types: 43 continuous, 1903 integer (1903 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 8518 rows and 24 columns
Presolve time: 0.37s
Presolved: 49716 rows, 1922 columns, 150997 nonzeros
Variable types: 0 continuous, 1922 integer (1879 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 27495 rows, 24143 columns, 106555 nonzeros


Root relaxation: objective 4.200000e+01, 1577 iterations, 0.48 seconds (0.42 work units)

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

     0     0   42.00000    0  331    6.00000   42.00000   600%     -    2s
H    0     0                      10.0000000   42.00000   320%     -    2s
H    0     0                      11.0000000   42.00000   282%     -    2s
H    0     0                      12.0000000   42.00000   250%     -    2s
H    0     0                      13.0000000   42.00000   223%     -    3s
H    0     0                      14.0000000   42.00000   200%     -    7s
     0     0   42.00000    0  658   14.00000   42.00000   200%     -    7s
     0     0   42.00000    0  620   14.00000   42.00000   200%     -    9s
H    0     0                      15.0000000   42.00000   180%     -   17s
     0     0   42.00000    0  524   15.00000   42.00000   180%     -   17s
     0     0   42.00000    0  519   15.00000   42.00000   180%     -   17s
     0     0   41.83333    0  458   15.00000   41.83333   179%     -   28s
H    0     0                      17.0000000   41.83333   146%     -   28s
     0     0   41.83333    0  417   17.00000   41.83333   146%     -   28s
     0     0   41.66667    0  284   17.00000   41.66667   145%     -   34s
     0     0   41.66667    0  283   17.00000   41.66667   145%     -   34s
     0     0   41.66667    0  305   17.00000   41.66667   145%     -   38s
     0     0   41.66667    0  308   17.00000   41.66667   145%     -   39s
     0     0   41.66667    0  326   17.00000   41.66667   145%     -   44s
     0     0   41.66667    0  288   17.00000   41.66667   145%     -   45s
     0     0   41.66667    0  512   17.00000   41.66667   145%     -   50s

Cutting planes:
  Cover: 34
  Clique: 2
  MIR: 282
  StrongCG: 1
  Zero half: 31
  RLT: 74
  PSD: 1

Explored 1 nodes (66973 simplex iterations) in 50.07 seconds (43.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 17 15 14 ... 6

Time limit reached
Best objective 1.700000000000e+01, best bound 4.100000000000e+01, gap 141.1765%

Wrote result file './lp_solutions/grafo10402.40.sol'

