
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:06:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6042.36.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/grafo6042.36.lp
Reading time = 0.09 seconds
: 34872 rows, 1452 columns, 105579 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 34872 rows, 1452 columns and 105579 nonzeros
Model fingerprint: 0x9e3ea12c
Variable types: 36 continuous, 1416 integer (1416 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 4082 rows and 30 columns
Presolve time: 0.32s
Presolved: 30790 rows, 1422 columns, 93600 nonzeros
Variable types: 0 continuous, 1422 integer (1386 binary)
Root relaxation presolved: 16510 rows, 15702 columns, 65040 nonzeros


Root relaxation: objective 3.100000e+01, 2701 iterations, 1.56 seconds (0.77 work units)

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

     0     0   31.00000    0  388          -   31.00000      -     -    4s
H    0     0                       7.0000000   31.00000   343%     -    4s
     0     0   31.00000    0  528    7.00000   31.00000   343%     -    9s
H    0     0                       8.0000000   31.00000   287%     -   10s
     0     0   31.00000    0  500    8.00000   31.00000   287%     -   11s
     0     0   31.00000    0  404    8.00000   31.00000   287%     -   20s
     0     0   31.00000    0  396    8.00000   31.00000   287%     -   21s
H    0     0                      10.0000000   31.00000   210%     -   32s
     0     0   31.00000    0  354   10.00000   31.00000   210%     -   32s
     0     0   31.00000    0  327   10.00000   31.00000   210%     -   32s
     0     0   30.66667    0  252   10.00000   30.66667   207%     -   35s
     0     0   30.66667    0  329   10.00000   30.66667   207%     -   36s
     0     0   30.66667    0  267   10.00000   30.66667   207%     -   41s
     0     0   30.66667    0  275   10.00000   30.66667   207%     -   42s
H    0     0                      11.0000000   30.66667   179%     -   47s
H    0     0                      12.0000000   30.66667   156%     -   47s
     0     0   30.66667    0  340   12.00000   30.66667   156%     -   47s
     0     0   30.66667    0  353   12.00000   30.66667   156%     -   48s
     0     0          -    0        12.00000   30.66667   156%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 9
  Clique: 2
  MIR: 113
  GUB cover: 1
  Zero half: 35
  RLT: 56

Explored 1 nodes (56991 simplex iterations) in 50.05 seconds (26.34 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 7

Time limit reached
Best objective 1.200000000000e+01, best bound 3.000000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo6042.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:29:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6042.36.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/grafo6042.36.lp
Reading time = 0.07 seconds
: 34872 rows, 1452 columns, 105579 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 34872 rows, 1452 columns and 105579 nonzeros
Model fingerprint: 0x9e3ea12c
Variable types: 36 continuous, 1416 integer (1416 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 4082 rows and 30 columns
Presolve time: 0.51s
Presolved: 30790 rows, 1422 columns, 93600 nonzeros
Variable types: 0 continuous, 1422 integer (1386 binary)
Root relaxation presolved: 16510 rows, 15702 columns, 65040 nonzeros


Root relaxation: objective 3.100000e+01, 2701 iterations, 1.19 seconds (0.77 work units)

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

     0     0   31.00000    0  388          -   31.00000      -     -    4s
H    0     0                       7.0000000   31.00000   343%     -    4s
     0     0   31.00000    0  528    7.00000   31.00000   343%     -    9s
H    0     0                       8.0000000   31.00000   287%     -    9s
     0     0   31.00000    0  500    8.00000   31.00000   287%     -   10s
     0     0   31.00000    0  404    8.00000   31.00000   287%     -   18s
     0     0   31.00000    0  396    8.00000   31.00000   287%     -   19s
H    0     0                      10.0000000   31.00000   210%     -   29s
     0     0   31.00000    0  354   10.00000   31.00000   210%     -   29s
     0     0   31.00000    0  327   10.00000   31.00000   210%     -   30s
     0     0   30.66667    0  252   10.00000   30.66667   207%     -   33s
     0     0   30.66667    0  329   10.00000   30.66667   207%     -   34s
     0     0   30.66667    0  267   10.00000   30.66667   207%     -   38s
     0     0   30.66667    0  275   10.00000   30.66667   207%     -   39s
H    0     0                      11.0000000   30.66667   179%     -   43s
H    0     0                      12.0000000   30.66667   156%     -   43s
     0     0   30.66667    0  340   12.00000   30.66667   156%     -   43s
     0     0   30.66667    0  353   12.00000   30.66667   156%     -   45s
     0     0   30.66667    0  310   12.00000   30.66667   156%     -   49s
     0     0   30.66667    0  310   12.00000   30.66667   156%     -   50s

Cutting planes:
  Gomory: 2
  Clique: 2
  MIR: 36
  RLT: 23

Explored 1 nodes (62761 simplex iterations) in 50.02 seconds (28.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 7

Time limit reached
Best objective 1.200000000000e+01, best bound 3.000000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo6042.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:32:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6042.36.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/grafo6042.36.lp
Reading time = 0.06 seconds
: 34872 rows, 1452 columns, 105579 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 34872 rows, 1452 columns and 105579 nonzeros
Model fingerprint: 0x9e3ea12c
Variable types: 36 continuous, 1416 integer (1416 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 4082 rows and 30 columns
Presolve time: 0.25s
Presolved: 30790 rows, 1422 columns, 93600 nonzeros
Variable types: 0 continuous, 1422 integer (1386 binary)
Root relaxation presolved: 16510 rows, 15702 columns, 65040 nonzeros


Root relaxation: objective 3.100000e+01, 2701 iterations, 1.01 seconds (0.77 work units)

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

     0     0   31.00000    0  388          -   31.00000      -     -    3s
H    0     0                       7.0000000   31.00000   343%     -    3s
     0     0   31.00000    0  528    7.00000   31.00000   343%     -    7s
H    0     0                       8.0000000   31.00000   287%     -    7s
     0     0   31.00000    0  500    8.00000   31.00000   287%     -    8s
     0     0   31.00000    0  404    8.00000   31.00000   287%     -   15s
     0     0   31.00000    0  396    8.00000   31.00000   287%     -   15s
H    0     0                      10.0000000   31.00000   210%     -   24s
     0     0   31.00000    0  354   10.00000   31.00000   210%     -   24s
     0     0   31.00000    0  327   10.00000   31.00000   210%     -   24s
     0     0   30.66667    0  252   10.00000   30.66667   207%     -   27s
     0     0   30.66667    0  329   10.00000   30.66667   207%     -   27s
     0     0   30.66667    0  267   10.00000   30.66667   207%     -   31s
     0     0   30.66667    0  275   10.00000   30.66667   207%     -   31s
H    0     0                      11.0000000   30.66667   179%     -   35s
H    0     0                      12.0000000   30.66667   156%     -   35s
     0     0   30.66667    0  340   12.00000   30.66667   156%     -   35s
     0     0   30.66667    0  353   12.00000   30.66667   156%     -   36s
     0     0   30.66667    0  310   12.00000   30.66667   156%     -   39s
     0     0   30.66667    0  285   12.00000   30.66667   156%     -   40s
     0     2   30.66667    0  285   12.00000   30.66667   156%     -   44s
     3     8   30.66667    2  249   12.00000   30.66667   156%   918   45s
   138   143   25.16667   27  214   12.00000   30.66667   156%   193   50s

Cutting planes:
  Gomory: 2
  Cover: 4
  Clique: 2
  MIR: 160
  GUB cover: 1
  Zero half: 11
  RLT: 67

Explored 142 nodes (90764 simplex iterations) in 50.03 seconds (40.18 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 7

Time limit reached
Best objective 1.200000000000e+01, best bound 3.000000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo6042.36.sol'

