
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 05:28:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2960.38.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/grafo2960.38.lp
Reading time = 0.12 seconds
: 57099 rows, 1747 columns, 172592 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 57099 rows, 1747 columns and 172592 nonzeros
Model fingerprint: 0xb4775b54
Variable types: 40 continuous, 1707 integer (1707 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 -0.0000000
Presolve removed 12084 rows and 27 columns
Presolve time: 0.64s
Presolved: 45015 rows, 1720 columns, 136687 nonzeros
Variable types: 0 continuous, 1720 integer (1680 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 26699 rows, 20036 columns, 100055 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    5039    3.8999790e+01   3.649809e+02   0.000000e+00      5s
    5277    3.9000000e+01   0.000000e+00   0.000000e+00      5s
    5277    3.9000000e+01   0.000000e+00   0.000000e+00      5s

Root relaxation: objective 3.900000e+01, 5277 iterations, 4.50 seconds (3.15 work units)
Total elapsed time = 10.53s (DegenMoves)

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

     0     0   39.00000    0  457    9.00000   39.00000   333%     -   13s
H    0     0                      10.0000000   39.00000   290%     -   15s
     0     0   39.00000    0  681   10.00000   39.00000   290%     -   21s
H    0     0                      11.0000000   39.00000   255%     -   22s
     0     0   39.00000    0  670   11.00000   39.00000   255%     -   24s
H    0     0                      12.0000000   39.00000   225%     -   47s
H    0     0                      13.0000000   39.00000   200%     -   47s
     0     0   39.00000    0  305   13.00000   39.00000   200%     -   48s
     0     0   39.00000    0  302   13.00000   39.00000   200%     -   49s

Cutting planes:
  Cover: 31
  Clique: 13
  MIR: 224
  GUB cover: 8
  RLT: 6
  BQP: 1

Explored 1 nodes (45203 simplex iterations) in 50.11 seconds (35.93 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 11 ... -0

Time limit reached
Best objective 1.300000000000e+01, best bound 3.900000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo2960.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:18:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2960.38.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/grafo2960.38.lp
Reading time = 0.10 seconds
: 57099 rows, 1747 columns, 172592 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 57099 rows, 1747 columns and 172592 nonzeros
Model fingerprint: 0xb4775b54
Variable types: 40 continuous, 1707 integer (1707 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 -0.0000000
Presolve removed 12084 rows and 27 columns
Presolve time: 0.42s
Presolved: 45015 rows, 1720 columns, 136687 nonzeros
Variable types: 0 continuous, 1720 integer (1680 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 26699 rows, 20036 columns, 100055 nonzeros


Root relaxation: objective 3.900000e+01, 5277 iterations, 3.38 seconds (3.15 work units)
Total elapsed time = 7.92s (DegenMoves)

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

     0     0   39.00000    0  457    9.00000   39.00000   333%     -   10s
H    0     0                      10.0000000   39.00000   290%     -   11s
     0     0   39.00000    0  681   10.00000   39.00000   290%     -   15s
H    0     0                      11.0000000   39.00000   255%     -   16s
     0     0   39.00000    0  670   11.00000   39.00000   255%     -   17s
H    0     0                      12.0000000   39.00000   225%     -   35s
H    0     0                      13.0000000   39.00000   200%     -   35s
     0     0   39.00000    0  305   13.00000   39.00000   200%     -   35s
     0     0   39.00000    0  302   13.00000   39.00000   200%     -   35s
     0     0   39.00000    0  473   13.00000   39.00000   200%     -   49s
     0     0   39.00000    0  444   13.00000   39.00000   200%     -   49s

Cutting planes:
  Cover: 35
  Clique: 11
  MIR: 50
  GUB cover: 4
  Zero half: 3
  RLT: 29
  BQP: 2

Explored 1 nodes (61987 simplex iterations) in 50.05 seconds (50.12 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 11 ... -0

Time limit reached
Best objective 1.300000000000e+01, best bound 3.900000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo2960.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:14:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2960.38.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/grafo2960.38.lp
Reading time = 0.09 seconds
: 57099 rows, 1747 columns, 172592 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 57099 rows, 1747 columns and 172592 nonzeros
Model fingerprint: 0xb4775b54
Variable types: 40 continuous, 1707 integer (1707 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 -0.0000000
Presolve removed 12084 rows and 27 columns
Presolve time: 0.38s
Presolved: 45015 rows, 1720 columns, 136687 nonzeros
Variable types: 0 continuous, 1720 integer (1680 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 26699 rows, 20036 columns, 100055 nonzeros


Root relaxation: objective 3.900000e+01, 5277 iterations, 3.16 seconds (3.15 work units)
Total elapsed time = 7.55s (DegenMoves)

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

     0     0   39.00000    0  457    9.00000   39.00000   333%     -    9s
H    0     0                      10.0000000   39.00000   290%     -   10s
     0     0   39.00000    0  681   10.00000   39.00000   290%     -   15s
H    0     0                      11.0000000   39.00000   255%     -   15s
     0     0   39.00000    0  670   11.00000   39.00000   255%     -   16s
H    0     0                      12.0000000   39.00000   225%     -   34s
H    0     0                      13.0000000   39.00000   200%     -   34s
     0     0   39.00000    0  305   13.00000   39.00000   200%     -   34s
     0     0   39.00000    0  302   13.00000   39.00000   200%     -   35s
     0     0   39.00000    0  473   13.00000   39.00000   200%     -   48s
     0     0   39.00000    0  444   13.00000   39.00000   200%     -   48s
     0     0          -    0        13.00000   39.00000   200%     -   50s

Cutting planes:
  Cover: 26
  Clique: 11
  MIR: 198
  StrongCG: 2
  GUB cover: 3
  Zero half: 53
  RLT: 64
  BQP: 2

Explored 1 nodes (63076 simplex iterations) in 50.05 seconds (51.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 11 ... -0

Time limit reached
Best objective 1.300000000000e+01, best bound 3.900000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo2960.38.sol'

