
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 03:41:22 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10190.34.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/grafo10190.34.lp
Reading time = 0.12 seconds
: 73776 rows, 1668 columns, 222718 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 73776 rows, 1668 columns and 222718 nonzeros
Model fingerprint: 0x78d38768
Variable types: 38 continuous, 1630 integer (1630 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 36799 rows and 87 columns
Presolve time: 0.40s
Presolved: 36977 rows, 1581 columns, 112662 nonzeros
Variable types: 0 continuous, 1581 integer (1543 binary)
Root relaxation presolved: 22557 rows, 16001 columns, 83822 nonzeros


Root relaxation: objective 3.700000e+01, 2744 iterations, 1.20 seconds (1.08 work units)

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

     0     0   37.00000    0  341          -   37.00000      -     -    4s
H    0     0                       9.0000000   37.00000   311%     -    4s
     0     0   37.00000    0  628    9.00000   37.00000   311%     -    8s
H    0     0                      11.0000000   37.00000   236%     -    8s
     0     0   37.00000    0  626   11.00000   37.00000   236%     -    8s
     0     0   37.00000    0  302   11.00000   37.00000   236%     -   25s
H    0     0                      13.0000000   37.00000   185%     -   25s
     0     0   37.00000    0  260   13.00000   37.00000   185%     -   25s
     0     0   37.00000    0  367   13.00000   37.00000   185%     -   31s
     0     0   37.00000    0  376   13.00000   37.00000   185%     -   31s
     0     0   37.00000    0  332   13.00000   37.00000   185%     -   39s
H    0     0                      14.0000000   37.00000   164%     -   39s
     0     0   37.00000    0  337   14.00000   37.00000   164%     -   39s
     0     0   37.00000    0  338   14.00000   37.00000   164%     -   43s
     0     0   37.00000    0  356   14.00000   37.00000   164%     -   44s
     0     0   37.00000    0  324   14.00000   37.00000   164%     -   48s
     0     0   37.00000    0  338   14.00000   37.00000   164%     -   48s
     0     0          -    0        14.00000   37.00000   164%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 1
  Cover: 34
  Clique: 12
  MIR: 124
  StrongCG: 2
  GUB cover: 2
  Inf proof: 5
  Zero half: 60
  RLT: 68
  BQP: 1
  PSD: 1

Explored 1 nodes (74210 simplex iterations) in 50.04 seconds (47.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 11 9 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.700000000000e+01, gap 164.2857%

Wrote result file './lp_solutions/grafo10190.34.sol'

