
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:41:28 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5409.36.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/grafo5409.36.lp
Reading time = 0.10 seconds
: 38688 rows, 1555 columns, 117171 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 38688 rows, 1555 columns and 117171 nonzeros
Model fingerprint: 0x24ccd780
Variable types: 38 continuous, 1517 integer (1517 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 4738 rows and 36 columns
Presolve time: 0.30s
Presolved: 33950 rows, 1519 columns, 103321 nonzeros
Variable types: 0 continuous, 1519 integer (1481 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 18374 rows, 17095 columns, 72169 nonzeros


Root relaxation: objective 3.300000e+01, 1722 iterations, 0.75 seconds (0.36 work units)

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

     0     0   33.00000    0  326    5.00000   33.00000   560%     -    2s
H    0     0                       7.0000000   33.00000   371%     -    2s
H    0     0                       9.0000000   33.00000   267%     -    2s
H    0     0                      10.0000000   33.00000   230%     -    3s
     0     0   33.00000    0  545   10.00000   33.00000   230%     -    7s
     0     0   33.00000    0  519   10.00000   33.00000   230%     -    8s
     0     0   33.00000    0  402   10.00000   33.00000   230%     -   23s
     0     0   33.00000    0  377   10.00000   33.00000   230%     -   23s
     0     0   33.00000    0  371   10.00000   33.00000   230%     -   32s
     0     0   33.00000    0  374   10.00000   33.00000   230%     -   33s
H    0     0                      11.0000000   33.00000   200%     -   43s
     0     0   33.00000    0  347   11.00000   33.00000   200%     -   43s
H    0     0                      12.0000000   33.00000   175%     -   43s
     0     0   33.00000    0  352   12.00000   33.00000   175%     -   43s
     0     0   33.00000    0  547   12.00000   33.00000   175%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 20
  MIR: 110
  StrongCG: 2
  GUB cover: 4
  Zero half: 30
  RLT: 46

Explored 1 nodes (54614 simplex iterations) in 50.05 seconds (30.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 12 11 10 ... 5

Time limit reached
Best objective 1.200000000000e+01, best bound 3.300000000000e+01, gap 175.0000%

Wrote result file './lp_solutions/grafo5409.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:34:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5409.36.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/grafo5409.36.lp
Reading time = 0.07 seconds
: 38688 rows, 1555 columns, 117171 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 38688 rows, 1555 columns and 117171 nonzeros
Model fingerprint: 0x24ccd780
Variable types: 38 continuous, 1517 integer (1517 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 4738 rows and 36 columns
Presolve time: 0.25s
Presolved: 33950 rows, 1519 columns, 103321 nonzeros
Variable types: 0 continuous, 1519 integer (1481 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 18374 rows, 17095 columns, 72169 nonzeros


Root relaxation: objective 3.300000e+01, 1722 iterations, 0.43 seconds (0.36 work units)

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

     0     0   33.00000    0  326    5.00000   33.00000   560%     -    1s
H    0     0                       7.0000000   33.00000   371%     -    1s
H    0     0                       9.0000000   33.00000   267%     -    1s
H    0     0                      10.0000000   33.00000   230%     -    2s
     0     0   33.00000    0  545   10.00000   33.00000   230%     -    4s
     0     0   33.00000    0  519   10.00000   33.00000   230%     -    5s
     0     0   33.00000    0  402   10.00000   33.00000   230%     -   15s
     0     0   33.00000    0  377   10.00000   33.00000   230%     -   15s
     0     0   33.00000    0  371   10.00000   33.00000   230%     -   22s
     0     0   33.00000    0  374   10.00000   33.00000   230%     -   22s
H    0     0                      11.0000000   33.00000   200%     -   29s
     0     0   33.00000    0  347   11.00000   33.00000   200%     -   29s
H    0     0                      12.0000000   33.00000   175%     -   29s
     0     0   33.00000    0  352   12.00000   33.00000   175%     -   29s
     0     0   33.00000    0  448   12.00000   33.00000   175%     -   37s
     0     0   33.00000    0  461   12.00000   33.00000   175%     -   37s
     0     0   33.00000    0  414   12.00000   33.00000   175%     -   45s
     0     0   33.00000    0  343   12.00000   33.00000   175%     -   45s

Cutting planes:
  Gomory: 2
  MIR: 2
  RLT: 4

Explored 1 nodes (76631 simplex iterations) in 50.03 seconds (47.14 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 12 11 10 ... 5

Time limit reached
Best objective 1.200000000000e+01, best bound 3.300000000000e+01, gap 175.0000%

Wrote result file './lp_solutions/grafo5409.36.sol'

