
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 06:02:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5190.36.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/grafo5190.36.lp
Reading time = 0.07 seconds
: 34141 rows, 1422 columns, 103336 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 34141 rows, 1422 columns and 103336 nonzeros
Model fingerprint: 0x2a299767
Variable types: 35 continuous, 1387 integer (1387 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 4363 rows and 27 columns
Presolve time: 0.45s
Presolved: 29778 rows, 1395 columns, 90502 nonzeros
Variable types: 0 continuous, 1395 integer (1360 binary)
Found heuristic solution: objective 1.0000000
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 16093 rows, 15080 columns, 63132 nonzeros


Root relaxation: objective 3.300000e+01, 1541 iterations, 0.41 seconds (0.22 work units)

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

     0     0   33.00000    0  297    5.00000   33.00000   560%     -    2s
H    0     0                       7.0000000   33.00000   371%     -    2s
     0     0   33.00000    0  663    7.00000   33.00000   371%     -    8s
     0     0   33.00000    0  648    7.00000   33.00000   371%     -    8s
H    0     0                       8.0000000   33.00000   312%     -   27s
     0     0   33.00000    0  474    8.00000   33.00000   312%     -   27s
     0     0   33.00000    0  466    8.00000   33.00000   312%     -   27s
     0     0   32.66667    0  502    8.00000   32.66667   308%     -   35s
     0     0   32.66667    0  484    8.00000   32.66667   308%     -   35s
H    0     0                      10.0000000   32.66667   227%     -   41s
     0     0   32.66667    0  343   10.00000   32.66667   227%     -   41s
H    0     0                      11.0000000   32.66667   197%     -   43s
     0     0   32.66667    0  381   11.00000   32.66667   197%     -   43s
     0     0   32.66667    0  372   11.00000   32.66667   197%     -   49s
     0     0   32.66667    0  356   11.00000   32.66667   197%     -   49s

Cutting planes:
  Cover: 26
  MIR: 61
  GUB cover: 7
  RLT: 32

Explored 1 nodes (57053 simplex iterations) in 50.05 seconds (30.55 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 8 ... 1

Time limit reached
Best objective 1.100000000000e+01, best bound 3.200000000000e+01, gap 190.9091%

Wrote result file './lp_solutions/grafo5190.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:15:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5190.36.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/grafo5190.36.lp
Reading time = 0.07 seconds
: 34141 rows, 1422 columns, 103336 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 34141 rows, 1422 columns and 103336 nonzeros
Model fingerprint: 0x2a299767
Variable types: 35 continuous, 1387 integer (1387 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 4363 rows and 27 columns
Presolve time: 0.30s
Presolved: 29778 rows, 1395 columns, 90502 nonzeros
Variable types: 0 continuous, 1395 integer (1360 binary)
Found heuristic solution: objective 1.0000000
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 16093 rows, 15080 columns, 63132 nonzeros


Root relaxation: objective 3.300000e+01, 1541 iterations, 0.38 seconds (0.22 work units)

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

     0     0   33.00000    0  297    5.00000   33.00000   560%     -    1s
H    0     0                       7.0000000   33.00000   371%     -    1s
     0     0   33.00000    0  663    7.00000   33.00000   371%     -    7s
     0     0   33.00000    0  648    7.00000   33.00000   371%     -    7s
H    0     0                       8.0000000   33.00000   312%     -   26s
     0     0   33.00000    0  474    8.00000   33.00000   312%     -   26s
     0     0   33.00000    0  466    8.00000   33.00000   312%     -   26s
     0     0   32.66667    0  502    8.00000   32.66667   308%     -   34s
     0     0   32.66667    0  484    8.00000   32.66667   308%     -   34s
H    0     0                      10.0000000   32.66667   227%     -   40s
     0     0   32.66667    0  343   10.00000   32.66667   227%     -   40s
H    0     0                      11.0000000   32.66667   197%     -   42s
     0     0   32.66667    0  381   11.00000   32.66667   197%     -   42s
     0     0   32.66667    0  372   11.00000   32.66667   197%     -   48s
     0     0   32.66667    0  356   11.00000   32.66667   197%     -   49s
     0     0          -    0        11.00000   32.66667   197%     -   50s

Cutting planes:
  Cover: 24
  MIR: 143
  GUB cover: 4
  Zero half: 16
  RLT: 53

Explored 1 nodes (58060 simplex iterations) in 50.06 seconds (31.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 8 ... 1

Time limit reached
Best objective 1.100000000000e+01, best bound 3.200000000000e+01, gap 190.9091%

Wrote result file './lp_solutions/grafo5190.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:18:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5190.36.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/grafo5190.36.lp
Reading time = 0.06 seconds
: 34141 rows, 1422 columns, 103336 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 34141 rows, 1422 columns and 103336 nonzeros
Model fingerprint: 0x2a299767
Variable types: 35 continuous, 1387 integer (1387 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 4363 rows and 27 columns
Presolve time: 0.25s
Presolved: 29778 rows, 1395 columns, 90502 nonzeros
Variable types: 0 continuous, 1395 integer (1360 binary)
Found heuristic solution: objective 1.0000000
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 16093 rows, 15080 columns, 63132 nonzeros


Root relaxation: objective 3.300000e+01, 1541 iterations, 0.32 seconds (0.22 work units)

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

     0     0   33.00000    0  297    5.00000   33.00000   560%     -    1s
H    0     0                       7.0000000   33.00000   371%     -    1s
     0     0   33.00000    0  663    7.00000   33.00000   371%     -    6s
     0     0   33.00000    0  648    7.00000   33.00000   371%     -    6s
H    0     0                       8.0000000   33.00000   312%     -   22s
     0     0   33.00000    0  474    8.00000   33.00000   312%     -   22s
     0     0   33.00000    0  466    8.00000   33.00000   312%     -   23s
     0     0   32.66667    0  502    8.00000   32.66667   308%     -   29s
     0     0   32.66667    0  484    8.00000   32.66667   308%     -   29s
H    0     0                      10.0000000   32.66667   227%     -   34s
     0     0   32.66667    0  343   10.00000   32.66667   227%     -   34s
H    0     0                      11.0000000   32.66667   197%     -   35s
     0     0   32.66667    0  381   11.00000   32.66667   197%     -   35s
     0     0   32.66667    0  372   11.00000   32.66667   197%     -   40s
     0     0   32.66667    0  356   11.00000   32.66667   197%     -   41s
     0     0   32.50000    0  263   11.00000   32.50000   195%     -   44s
H    0     0                      12.0000000   32.50000   171%     -   45s
     0     0   32.50000    0  388   12.00000   32.50000   171%     -   45s
H    0     0                      13.0000000   32.50000   150%     -   49s
     0     0   32.50000    0  303   13.00000   32.50000   150%     -   49s
     0     0   32.50000    0  303   13.00000   32.50000   150%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 1
  MIR: 27
  Zero half: 2
  RLT: 20

Explored 1 nodes (71648 simplex iterations) in 50.02 seconds (36.44 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 13 12 11 ... 1

Time limit reached
Best objective 1.300000000000e+01, best bound 3.200000000000e+01, gap 146.1538%

Wrote result file './lp_solutions/grafo5190.36.sol'

