Download the above graph as a PDF file / as an EPS file
| Solver Name | Answer | objective function | CPU time | Wall clock time |
|---|---|---|---|---|
| LS-MabS 2024-07-10 | SAT | -1073741823 | 0.001333 | 0.00224806 |
| Name | PB24/normalized-PB06/OPT-LIN/mps-v2-20-10/www.csit.fsu.edu/ ~burkardt/datasets/mps/normalized-mps-v2-20-10-nazareth.opb |
| MD5SUM | cec2a0415f7791bee375d28d0b5ed9b3 |
| Bench Category | OPT-LIN (optimization problem, linear constraints, no OPT/UNSAT certificate) |
| Best result obtained on this benchmark | OPT |
| Best value of the objective obtained on this benchmark | -1073741823 |
| Best CPU time to get the best result obtained on this benchmark | 0.001161 |
| Has Objective Function | YES |
| Satisfiable | |
| (Un)Satisfiability was proved | |
| Best value of the objective function | |
| Optimality of the best value was proved | |
| Number of variables | 78 |
| Total number of constraints | 3 |
| Number of constraints which are clauses | 0 |
| Number of constraints which are cardinality constraints (but not clauses) | 0 |
| Number of constraints which are nor clauses,nor cardinality constraints | 3 |
| Minimum length of a constraint | 17 |
| Maximum length of a constraint | 61 |
| Number of terms in the objective function | 78 |
| Biggest coefficient in the objective function | 1073741824 |
| Number of bits for the biggest coefficient in the objective function | 31 |
| Sum of the numbers in the objective function | 3221356541 |
| Number of bits of the sum of numbers in the objective function | 32 |
| Biggest number in a constraint | 5368724480 |
| Number of bits of the biggest number in a constraint | 33 |
| Biggest sum of numbers in a constraint | 20401110007 |
| Number of bits of the biggest sum of numbers | 35 |
| Number of products (including duplicates) | 0 |
| Sum of products size (including duplicates) | 0 |
| Number of different products | 0 |
| Sum of products size | 0 |
0.00/0.00 c Filename:instance-4428147-1722773149.opb, Cutoff_time:3558, memory_limit_gb:500000 0.00/0.00 c Not use presolve 0.00/0.00 c Use LS-small 0.00/0.00 o 0 0.00/0.00 o -134217728 0.00/0.00 o -671088640 0.00/0.00 o -738197504 0.00/0.00 o -771751936 0.00/0.00 o -775946240 0.00/0.00 o -792723456 0.00/0.00 o -794820608 0.00/0.00 o -1063256064 0.00/0.00 o -1071644672 0.00/0.00 o -1072693248 0.00/0.00 o -1073217536 0.00/0.00 o -1073479680 0.00/0.00 o -1073545216 0.00/0.00 o -1073676288 0.00/0.00 o -1073709056 0.00/0.00 o -1073725440 0.00/0.00 o -1073733632 0.00/0.00 o -1073737728 0.00/0.00 o -1073739776 0.00/0.00 o -1073740800 0.00/0.00 o -1073741312 0.00/0.00 o -1073741568 0.00/0.00 o -1073741696 0.00/0.00 o -1073741760 0.00/0.00 o -1073741792 0.00/0.00 o -1073741808 0.00/0.00 o -1073741816 0.00/0.00 o -1073741820 0.00/0.00 o -1073741822 0.00/0.00 o -1073741823 0.00/0.00 s SATISFIABLE 0.00/0.00 v -x1 -x2 -x3 -x4 -x5 -x6 -x7 -x8 -x9 -x10 -x11 -x12 -x13 -x14 -x15 -x16 -x17 x18 x19 x20 x21 x22 x23 x24 x25 x26 x27 x28 x29 x30 x31 x32 x33 x34 x35 x36 x37 x38 x39 x40 x41 x42 x43 x44 x45 x46 x47 -x48 -x49 -x50 -x51 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 -x60 -x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 0.00/0.00 c Done 0s
OK -1073741823
runsolver version 3.4.2 (svn: 4680) Copyright (C) 2010-2013 Olivier ROUSSEL
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
NUMA information:
number of nodes: 2
memory of node 0: 63931 MiB (57611 MiB free)
memory of node 1: 64510 MiB (61347 MiB free)
node distances:
10 21
21 10
command line: BIN/runsolver --timestamp --file-size-limit 102400 -w /tmp/evaluation-result-4428147-1722773149/watcher-4428147-1722773149 -o /tmp/evaluation-result-4428147-1722773149/solver-4428147-1722773149 -C 3600 -W 3700 -M 31000 --bin-var /tmp/runsolver-exch-nodeC020-1722769581-241899 --watchdog 3760 --use-pty ./LS-MabS -f HOME/instance-4428147-1722773149.opb -t 3558 -s 895189054
running on 2 cores: 1,3
CPU governors:
performance: 1 3
Enforcing FSIZE limit: 104857600 KiB
Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 3600 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 3630 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 3700 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 31744000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 31795200 KiB
Using a pseudo terminal to collect output from the solver
Linux 4.18.0-301.1.el8.x86_64
Starting watchdog thread
solver pid=243981, runsolver pid=243978
Current StackSize limit: 8192 KiB
[startup+0.00223089 s]
# the end of solver process 243981 was just reported to runsolver
# Child status: 0
# cumulated CPU time of all completed processes: user=0 s, system=0.001333 s
Solver just ended.
??? end of watcher thread
Dumping a history of the last processes samples
Child status: 0
Real time (s): 0.00224806
CPU time (s): 0.001333
CPU user time (s): 0
CPU system time (s): 0.001333
CPU usage (%): 59.2955
Max. virtual memory (cumulated for all children) (KiB): 0
Max. memory (cumulated for all children) (KiB): 0
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0
system time used= 0.001333
maximum resident set size= 3672
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 225
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 2
involuntary context switches= 0
# summary of solver processes directly reported to runsolver:
# pid: 243981
# total CPU time (s): 0.001333
# total CPU user time (s): 0
# total CPU system time (s): 0.001333
??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.00219 second user time and 0.008739 second system time
The end
Begin job on nodeC020 at 2024-08-04 14:05:49 IDJOB=4428147 IDBENCH=146900 IDSOLVER=3048 FILE ID=nodeC020/4428147-1722773149 RUNJOBID= nodeC020-1722769581-241899 SLURM_JOB_ID= 8257551 Free space on /tmp= 890040 MiB SOLVER NAME= LS-MabS 2024-07-10 BENCH NAME= PB24/normalized-PB06/OPT-LIN/mps-v2-20-10/www.csit.fsu.edu/~burkardt/datasets/mps/normalized-mps-v2-20-10-nazareth.opb COMMAND LINE= ./LS-MabS -f BENCHNAME -t 3558 -s RANDOMSEED RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp --file-size-limit 102400 -w /tmp/evaluation-result-4428147-1722773149/watcher-4428147-1722773149 -o /tmp/evaluation-result-4428147-1722773149/solver-4428147-1722773149 -C 3600 -W 3700 -M 31000 --bin-var /tmp/runsolver-exch-nodeC020-1722769581-241899 --watchdog 3760 --use-pty ./LS-MabS -f HOME/instance-4428147-1722773149.opb -t 3558 -s 895189054 TIME LIMIT= 3600 seconds MEMORY LIMIT= 31000 MiB NBCORE= 2 MD5SUM BENCH= cec2a0415f7791bee375d28d0b5ed9b3 RANDOM SEED=895189054 nodeC020.alineos.net Linux 4.18.0-301.1.el8.x86_64 #1 SMP Tue Apr 13 16:24:22 UTC 2021 /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor: performance /proc/cpuinfo: processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 79 model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz stepping : 1 microcode : 0xb00002a cpu MHz : 3665.951 cache size : 15360 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 20 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit bogomips : 7000.38 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 79 model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz stepping : 1 microcode : 0xb00002a cpu MHz : 3601.489 cache size : 15360 KB physical id : 1 siblings : 4 core id : 0 cpu cores : 4 apicid : 16 initial apicid : 16 fpu : yes fpu_exception : yes cpuid level : 20 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit bogomips : 7007.00 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: processor : 2 vendor_id : GenuineIntel cpu family : 6 model : 79 model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz stepping : 1 microcode : 0xb00002a cpu MHz : 3650.860 cache size : 15360 KB physical id : 0 siblings : 4 core id : 1 cpu cores : 4 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 20 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit bogomips : 7000.38 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: processor : 3 vendor_id : GenuineIntel cpu family : 6 model : 79 model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz stepping : 1 microcode : 0xb00002a cpu MHz : 3671.747 cache size : 15360 KB physical id : 1 siblings : 4 core id : 1 cpu cores : 4 apicid : 18 initial apicid : 18 fpu : yes fpu_exception : yes cpuid level : 20 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit bogomips : 7007.00 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: processor : 4 vendor_id : GenuineIntel cpu family : 6 model : 79 model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz stepping : 1 microcode : 0xb00002a cpu MHz : 3600.394 cache size : 15360 KB physical id : 0 siblings : 4 core id : 2 cpu cores : 4 apicid : 4 initial apicid : 4 fpu : yes fpu_exception : yes cpuid level : 20 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit bogomips : 7000.38 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: processor : 5 vendor_id : GenuineIntel cpu family : 6 model : 79 model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz stepping : 1 microcode : 0xb00002a cpu MHz : 3600.412 cache size : 15360 KB physical id : 1 siblings : 4 core id : 2 cpu cores : 4 apicid : 20 initial apicid : 20 fpu : yes fpu_exception : yes cpuid level : 20 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit bogomips : 7007.00 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: processor : 6 vendor_id : GenuineIntel cpu family : 6 model : 79 model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz stepping : 1 microcode : 0xb00002a cpu MHz : 3664.271 cache size : 15360 KB physical id : 0 siblings : 4 core id : 3 cpu cores : 4 apicid : 6 initial apicid : 6 fpu : yes fpu_exception : yes cpuid level : 20 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit bogomips : 7000.38 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: processor : 7 vendor_id : GenuineIntel cpu family : 6 model : 79 model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz stepping : 1 microcode : 0xb00002a cpu MHz : 3671.729 cache size : 15360 KB physical id : 1 siblings : 4 core id : 3 cpu cores : 4 apicid : 22 initial apicid : 22 fpu : yes fpu_exception : yes cpuid level : 20 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit bogomips : 7007.00 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: /proc/meminfo: MemTotal: 131524600 kB MemFree: 121820108 kB MemAvailable: 129757424 kB Buffers: 290460 kB Cached: 8465296 kB SwapCached: 28 kB Active: 486812 kB Inactive: 8674488 kB Active(anon): 1820 kB Inactive(anon): 432240 kB Active(file): 484992 kB Inactive(file): 8242248 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 131071996 kB SwapFree: 131071472 kB Dirty: 58472 kB Writeback: 0 kB AnonPages: 402928 kB Mapped: 104052 kB Shmem: 29476 kB KReclaimable: 99444 kB Slab: 187912 kB SReclaimable: 99444 kB SUnreclaim: 88468 kB KernelStack: 4016 kB PageTables: 10188 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 196834296 kB Committed_AS: 790328 kB VmallocTotal: 34359738367 kB VmallocUsed: 0 kB VmallocChunk: 0 kB Percpu: 20576 kB HardwareCorrupted: 0 kB AnonHugePages: 247808 kB ShmemHugePages: 0 kB ShmemPmdMapped: 0 kB FileHugePages: 0 kB FilePmdMapped: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB Hugetlb: 0 kB DirectMap4k: 287444 kB DirectMap2M: 27797504 kB DirectMap1G: 108003328 kB Free space on /tmp at the end= 890024 MiB End job on nodeC020 at 2024-08-04 14:05:50