
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 04:42:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2116.32.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/grafo2116.32.lp
Reading time = 0.14 seconds
: 52102 rows, 1344 columns, 157292 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 52102 rows, 1344 columns and 157292 nonzeros
Model fingerprint: 0xdb66ef00
Variable types: 35 continuous, 1309 integer (1309 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 16711 rows and 17 columns
Presolve time: 0.51s
Presolved: 35391 rows, 1327 columns, 107350 nonzeros
Variable types: 0 continuous, 1327 integer (1292 binary)
Root relaxation presolved: 23886 rows, 12832 columns, 84340 nonzeros


Root relaxation: objective 3.900000e+01, 3433 iterations, 2.54 seconds (1.76 work units)
Total elapsed time = 5.09s (DegenMoves)

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

     0     0   39.00000    0  346          -   39.00000      -     -    5s
H    0     0                       4.0000000   39.00000   875%     -    5s
H    0     0                       7.0000000   39.00000   457%     -    5s
H    0     0                       8.0000000   39.00000   387%     -    5s
     0     0   39.00000    0  478    8.00000   39.00000   387%     -    9s
     0     0   39.00000    0  443    8.00000   39.00000   387%     -   10s
     0     0   39.00000    0  323    8.00000   39.00000   387%     -   19s
H    0     0                       9.0000000   39.00000   333%     -   20s
     0     0   39.00000    0  319    9.00000   39.00000   333%     -   20s
H    0     0                      10.0000000   39.00000   290%     -   28s
H    0     0                      11.0000000   39.00000   255%     -   28s
     0     0   39.00000    0  365   11.00000   39.00000   255%     -   28s
     0     0   39.00000    0  344   11.00000   39.00000   255%     -   28s
     0     0   39.00000    0  337   11.00000   39.00000   255%     -   37s
     0     0   39.00000    0  377   11.00000   39.00000   255%     -   38s
     0     0   39.00000    0  400   11.00000   39.00000   255%     -   45s
     0     0   39.00000    0  402   11.00000   39.00000   255%     -   46s
     0     0   39.00000    0  416   11.00000   39.00000   255%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 9
  Clique: 10
  MIR: 75
  Zero half: 48
  RLT: 74

Explored 1 nodes (48146 simplex iterations) in 50.07 seconds (32.78 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 4

Time limit reached
Best objective 1.100000000000e+01, best bound 3.900000000000e+01, gap 254.5455%

Wrote result file './lp_solutions/grafo2116.32.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 11:03:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2116.32.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/grafo2116.32.lp
Reading time = 0.09 seconds
: 52102 rows, 1344 columns, 157292 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 52102 rows, 1344 columns and 157292 nonzeros
Model fingerprint: 0xdb66ef00
Variable types: 35 continuous, 1309 integer (1309 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 16711 rows and 17 columns
Presolve time: 0.36s
Presolved: 35391 rows, 1327 columns, 107350 nonzeros
Variable types: 0 continuous, 1327 integer (1292 binary)
Root relaxation presolved: 23886 rows, 12832 columns, 84340 nonzeros


Root relaxation: objective 3.900000e+01, 3433 iterations, 1.77 seconds (1.76 work units)

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

     0     0   39.00000    0  346          -   39.00000      -     -    3s
H    0     0                       4.0000000   39.00000   875%     -    3s
H    0     0                       7.0000000   39.00000   457%     -    3s
H    0     0                       8.0000000   39.00000   387%     -    3s
     0     0   39.00000    0  478    8.00000   39.00000   387%     -    6s
     0     0   39.00000    0  443    8.00000   39.00000   387%     -    6s
     0     0   39.00000    0  323    8.00000   39.00000   387%     -   13s
H    0     0                       9.0000000   39.00000   333%     -   13s
     0     0   39.00000    0  319    9.00000   39.00000   333%     -   13s
H    0     0                      10.0000000   39.00000   290%     -   19s
H    0     0                      11.0000000   39.00000   255%     -   19s
     0     0   39.00000    0  365   11.00000   39.00000   255%     -   19s
     0     0   39.00000    0  344   11.00000   39.00000   255%     -   19s
     0     0   39.00000    0  337   11.00000   39.00000   255%     -   25s
     0     0   39.00000    0  377   11.00000   39.00000   255%     -   26s
     0     0   39.00000    0  400   11.00000   39.00000   255%     -   31s
     0     0   39.00000    0  402   11.00000   39.00000   255%     -   32s
     0     0   39.00000    0  358   11.00000   39.00000   255%     -   36s
     0     0   39.00000    0  357   11.00000   39.00000   255%     -   37s
     0     2   39.00000    0  341   11.00000   39.00000   255%     -   43s
    15    20   39.00000    5  462   11.00000   39.00000   255%   756   45s
    28    33   37.50000    8  243   11.00000   39.00000   255%   488   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 6
  Clique: 26
  MIR: 77
  Zero half: 14
  RLT: 85
  BQP: 4

Explored 32 nodes (70252 simplex iterations) in 50.03 seconds (56.15 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 4

Time limit reached
Best objective 1.100000000000e+01, best bound 3.900000000000e+01, gap 254.5455%

Wrote result file './lp_solutions/grafo2116.32.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 04:07:21 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2116.32.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/grafo2116.32.lp
Reading time = 0.09 seconds
: 52102 rows, 1344 columns, 157292 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 52102 rows, 1344 columns and 157292 nonzeros
Model fingerprint: 0xdb66ef00
Variable types: 35 continuous, 1309 integer (1309 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 16711 rows and 17 columns
Presolve time: 0.36s
Presolved: 35391 rows, 1327 columns, 107350 nonzeros
Variable types: 0 continuous, 1327 integer (1292 binary)
Root relaxation presolved: 23886 rows, 12832 columns, 84340 nonzeros


Root relaxation: objective 3.900000e+01, 3433 iterations, 1.75 seconds (1.76 work units)

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

     0     0   39.00000    0  346          -   39.00000      -     -    3s
H    0     0                       4.0000000   39.00000   875%     -    3s
H    0     0                       7.0000000   39.00000   457%     -    3s
H    0     0                       8.0000000   39.00000   387%     -    3s
     0     0   39.00000    0  478    8.00000   39.00000   387%     -    6s
     0     0   39.00000    0  443    8.00000   39.00000   387%     -    6s
     0     0   39.00000    0  323    8.00000   39.00000   387%     -   13s
H    0     0                       9.0000000   39.00000   333%     -   13s
     0     0   39.00000    0  319    9.00000   39.00000   333%     -   13s
H    0     0                      10.0000000   39.00000   290%     -   19s
H    0     0                      11.0000000   39.00000   255%     -   19s
     0     0   39.00000    0  365   11.00000   39.00000   255%     -   19s
     0     0   39.00000    0  344   11.00000   39.00000   255%     -   19s
     0     0   39.00000    0  337   11.00000   39.00000   255%     -   25s
     0     0   39.00000    0  377   11.00000   39.00000   255%     -   26s
     0     0   39.00000    0  400   11.00000   39.00000   255%     -   31s
     0     0   39.00000    0  402   11.00000   39.00000   255%     -   32s
     0     0   39.00000    0  358   11.00000   39.00000   255%     -   35s
     0     0   39.00000    0  357   11.00000   39.00000   255%     -   36s
     0     2   39.00000    0  341   11.00000   39.00000   255%     -   42s
    23    29   39.00000    6  338   11.00000   39.00000   255%   571   45s
    33    37   37.50000   10  272   11.00000   39.00000   255%   763   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 6
  Clique: 26
  MIR: 77
  Zero half: 14
  RLT: 85
  BQP: 4

Explored 36 nodes (78260 simplex iterations) in 50.04 seconds (58.84 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 4

Time limit reached
Best objective 1.100000000000e+01, best bound 3.900000000000e+01, gap 254.5455%

Wrote result file './lp_solutions/grafo2116.32.sol'

