
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:08:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6067.36.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/grafo6067.36.lp
Reading time = 0.08 seconds
: 30664 rows, 1363 columns, 92836 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 30664 rows, 1363 columns and 92836 nonzeros
Model fingerprint: 0xbc256d95
Variable types: 34 continuous, 1329 integer (1329 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 1.0000000
Presolve removed 2896 rows and 33 columns
Presolve time: 0.61s
Presolved: 27768 rows, 1330 columns, 84427 nonzeros
Variable types: 0 continuous, 1330 integer (1296 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 14644 rows, 14454 columns, 58179 nonzeros


Root relaxation: objective 2.700000e+01, 2193 iterations, 1.04 seconds (0.57 work units)

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

     0     0   27.00000    0  416    5.00000   27.00000   440%     -    3s
H    0     0                       7.0000000   27.00000   286%     -    3s
     0     0   27.00000    0  527    7.00000   27.00000   286%     -    7s
     0     0   27.00000    0  520    7.00000   27.00000   286%     -    7s
H    0     0                       8.0000000   27.00000   237%     -   26s
H    0     0                       9.0000000   27.00000   200%     -   26s
H    0     0                      10.0000000   27.00000   170%     -   26s
     0     0   27.00000    0  296   10.00000   27.00000   170%     -   27s
     0     0   27.00000    0  347   10.00000   27.00000   170%     -   28s
     0     0   27.00000    0  269   10.00000   27.00000   170%     -   34s
     0     0   27.00000    0  230   10.00000   27.00000   170%     -   34s
     0     0   27.00000    0  298   10.00000   27.00000   170%     -   37s
     0     0   27.00000    0  271   10.00000   27.00000   170%     -   38s
     0     0   27.00000    0  277   10.00000   27.00000   170%     -   45s
     0     0   27.00000    0  299   10.00000   27.00000   170%     -   46s
     0     0   27.00000    0  255   10.00000   27.00000   170%     -   49s
     0     0   27.00000    0  206   10.00000   27.00000   170%     -   49s
     0     0          -    0        10.00000   27.00000   170%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 29
  MIR: 134
  StrongCG: 3
  GUB cover: 9
  Zero half: 24
  RLT: 35
  Relax-and-lift: 1

Explored 1 nodes (63999 simplex iterations) in 50.05 seconds (29.41 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... 1

Time limit reached
Best objective 1.000000000000e+01, best bound 2.700000000000e+01, gap 170.0000%

Wrote result file './lp_solutions/grafo6067.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:31:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6067.36.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/grafo6067.36.lp
Reading time = 0.07 seconds
: 30664 rows, 1363 columns, 92836 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 30664 rows, 1363 columns and 92836 nonzeros
Model fingerprint: 0xbc256d95
Variable types: 34 continuous, 1329 integer (1329 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 1.0000000
Presolve removed 2896 rows and 33 columns
Presolve time: 0.28s
Presolved: 27768 rows, 1330 columns, 84427 nonzeros
Variable types: 0 continuous, 1330 integer (1296 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 14644 rows, 14454 columns, 58179 nonzeros


Root relaxation: objective 2.700000e+01, 2193 iterations, 0.93 seconds (0.57 work units)

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

     0     0   27.00000    0  416    5.00000   27.00000   440%     -    3s
H    0     0                       7.0000000   27.00000   286%     -    3s
     0     0   27.00000    0  527    7.00000   27.00000   286%     -    6s
     0     0   27.00000    0  520    7.00000   27.00000   286%     -    6s
H    0     0                       8.0000000   27.00000   237%     -   25s
H    0     0                       9.0000000   27.00000   200%     -   25s
H    0     0                      10.0000000   27.00000   170%     -   25s
     0     0   27.00000    0  296   10.00000   27.00000   170%     -   26s
     0     0   27.00000    0  347   10.00000   27.00000   170%     -   27s
     0     0   27.00000    0  269   10.00000   27.00000   170%     -   32s
     0     0   27.00000    0  230   10.00000   27.00000   170%     -   33s
     0     0   27.00000    0  298   10.00000   27.00000   170%     -   36s
     0     0   27.00000    0  271   10.00000   27.00000   170%     -   36s
     0     0   27.00000    0  277   10.00000   27.00000   170%     -   43s
     0     0   27.00000    0  299   10.00000   27.00000   170%     -   43s
     0     0   27.00000    0  255   10.00000   27.00000   170%     -   46s
     0     0   27.00000    0  206   10.00000   27.00000   170%     -   46s
     0     0   27.00000    0  207   10.00000   27.00000   170%     -   49s
     0     0          -    0        10.00000   27.00000   170%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 1
  MIR: 31
  Zero half: 2
  RLT: 27

Explored 1 nodes (68708 simplex iterations) in 50.04 seconds (31.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... 1

Time limit reached
Best objective 1.000000000000e+01, best bound 2.700000000000e+01, gap 170.0000%

Wrote result file './lp_solutions/grafo6067.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:33:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6067.36.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/grafo6067.36.lp
Reading time = 0.06 seconds
: 30664 rows, 1363 columns, 92836 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 30664 rows, 1363 columns and 92836 nonzeros
Model fingerprint: 0xbc256d95
Variable types: 34 continuous, 1329 integer (1329 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 1.0000000
Presolve removed 2896 rows and 33 columns
Presolve time: 0.23s
Presolved: 27768 rows, 1330 columns, 84427 nonzeros
Variable types: 0 continuous, 1330 integer (1296 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 14644 rows, 14454 columns, 58179 nonzeros


Root relaxation: objective 2.700000e+01, 2193 iterations, 0.74 seconds (0.57 work units)

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

     0     0   27.00000    0  416    5.00000   27.00000   440%     -    2s
H    0     0                       7.0000000   27.00000   286%     -    2s
     0     0   27.00000    0  527    7.00000   27.00000   286%     -    5s
     0     0   27.00000    0  520    7.00000   27.00000   286%     -    5s
H    0     0                       8.0000000   27.00000   237%     -   21s
H    0     0                       9.0000000   27.00000   200%     -   21s
H    0     0                      10.0000000   27.00000   170%     -   21s
     0     0   27.00000    0  296   10.00000   27.00000   170%     -   22s
     0     0   27.00000    0  347   10.00000   27.00000   170%     -   23s
     0     0   27.00000    0  269   10.00000   27.00000   170%     -   27s
     0     0   27.00000    0  230   10.00000   27.00000   170%     -   27s
     0     0   27.00000    0  298   10.00000   27.00000   170%     -   30s
     0     0   27.00000    0  271   10.00000   27.00000   170%     -   30s
     0     0   27.00000    0  277   10.00000   27.00000   170%     -   36s
     0     0   27.00000    0  299   10.00000   27.00000   170%     -   36s
     0     0   27.00000    0  255   10.00000   27.00000   170%     -   39s
     0     0   27.00000    0  206   10.00000   27.00000   170%     -   39s
     0     0   27.00000    0  207   10.00000   27.00000   170%     -   41s
     0     0   27.00000    0  246   10.00000   27.00000   170%     -   42s
H    0     0                      11.0000000   27.00000   145%     -   45s
     0     0   26.66667    0  233   11.00000   26.66667   142%     -   45s
     0     0   26.66667    0  203   11.00000   26.66667   142%     -   46s
     0     0   26.66667    0  243   11.00000   26.66667   142%     -   48s
     0     0   26.66667    0  230   11.00000   26.66667   142%     -   48s

Cutting planes:
  Cover: 1
  MIR: 12
  RLT: 13

Explored 1 nodes (82901 simplex iterations) in 50.02 seconds (36.95 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 11 10 9 ... 1

Time limit reached
Best objective 1.100000000000e+01, best bound 2.600000000000e+01, gap 136.3636%

Wrote result file './lp_solutions/grafo6067.36.sol'

