Solver Name | Answer | CPU time | Wall clock time |
---|---|---|---|
NaPS-GM 1.03a1 | OPTIMUM | 0.083335 | 0.0838561 |
Name | PB24/WBO/PARTIAL-LIN/wcsp/academics/ normalized-langford-2-4_wcsp.wbo |
MD5SUM | b04b2c0ff2bcd923aab403abb7b31516 |
Bench Category | PARTIAL-LIN (WBO, both soft and hard constraints, linear constraints) |
Best result obtained on this benchmark | MOPT |
Best cost obtained on this benchmark | 0 |
Best CPU time to get the best result obtained on this benchmark | 0.003743 |
Max-Satisfiable | |
Max-(Un)Satisfiability was proved | |
Best value of the cost | |
Optimality of the best cost was proved | |
Number of variables | 64 |
Total number of constraints | 470 |
Number of soft constraints | 462 |
Number of constraints which are clauses | 462 |
Number of constraints which are cardinality constraints (but not clauses) | 8 |
Number of constraints which are nor clauses,nor cardinality constraints | 0 |
Minimum length of a constraint | 2 |
Maximum length of a constraint | 8 |
Top cost | 1 |
Min constraint cost | 1 |
Max constraint cost | 1 |
Sum of constraints costs | 462 |
Biggest number in a constraint | 1 |
Number of bits of the biggest number in a constraint | 1 |
Biggest sum of numbers in a constraint | 9 |
Number of bits of the biggest sum of numbers | 4 |
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 NaPS 1.03a1. 0.00/0.00 c We set -no-flip-min because your selected sat solver does not support it. 0.00/0.00 c Input file name: HOME/instance-4461031-1722078116.wbo 0.00/0.00 c Initial goal by soft: 0 0.00/0.00 c single stage optimization mode 0.00/0.00 c Found but not a solution: 16 0.00/0.04 c Found but not a solution: 8 0.00/0.05 c Found but not a solution: 5 0.00/0.05 c Found but not a solution: 3 0.00/0.07 c Found but not a solution: 1 0.00/0.08 o 0 0.00/0.08 s OPTIMUM FOUND 0.00/0.08 c _____________________________________________________________________________ 0.00/0.08 c std/band forms : 13,0 0.00/0.08 c 2cl/3cl ITE-codings : 0,0 0.00/0.08 c BDD/srt/adr Max costs : 0,17440,0 0.00/0.08 c BDDraw/bin/mul/srt/adr: 0,0,0,13,0 0.00/0.08 c BDD nodes : 0 0.00/0.08 c Es1/CC detections : 0,0 0.00/0.08 c CC sort : 13 0.00/0.08 c SAT/UNSAT calls : 6,0 0.00/0.08 c regenrated variables : 13639 0.00/0.08 c eliminated fixed lits : 0 0.00/0.08 c goal lit flips : 0 0.00/0.08 c goal stages : 1 0.00/0.08 c goal shrink : 0 0.00/0.08 c goal coeff separations: 0 0.00/0.08 c restarts : 21 0.00/0.08 c conflicts : 131 (1743 /sec) 0.00/0.08 c decisions : 15256 (203034 /sec) 0.00/0.08 c propagations : 100348 (1335480 /sec) 0.00/0.08 c inspects : 0 (0 /sec) 0.00/0.08 c CPU time (solving tm) : 0.07514 s (0.04477 s, SAT 0.04477 s, UNSAT 0 s) 0.00/0.08 c Time for Opt-base : 0.000488 s 0.00/0.08 c Steps for Opt-base : 0 0.00/0.08 c Time for BDD coding : 0 s 0.00/0.08 c Time for srt coding : 0.003829 s 0.00/0.08 c _____________________________________________________________________________ 0.00/0.08 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
OK 0
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: 63968 MiB (54881 MiB free) memory of node 1: 64473 MiB (46445 MiB free) node distances: 10 21 21 10 command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-4461031-1722078116/watcher-4461031-1722078116 -o /tmp/evaluation-result-4461031-1722078116/solver-4461031-1722078116 -C 3600 -W 3700 -M 31000 --bin-var /tmp/runsolver-exch-nodeC028-1722076692-328437 --watchdog 3760 HOME/naps-1.03.sh -GM HOME/instance-4461031-1722078116.wbo running on 2 cores: 0,2 CPU governors: performance: 0 2 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 Linux 4.18.0-301.1.el8.x86_64 Starting watchdog thread solver pid=329697, runsolver pid=329694 Current StackSize limit: 8192 KiB [startup+0.0838139 s] # the end of solver process 329697 was just reported to runsolver # Child status: 30 # cumulated CPU time of all completed processes: user=0.07806 s, system=0.005275 s Solver just ended. ??? end of watcher thread Dumping a history of the last processes samples Child status: 30 Real time (s): 0.0838561 CPU time (s): 0.083335 CPU user time (s): 0.07806 CPU system time (s): 0.005275 CPU usage (%): 99.3786 Max. virtual memory (cumulated for all children) (KiB): 0 Max. memory (cumulated for all children) (KiB): 0 getrusage(RUSAGE_CHILDREN,...) data: user time used= 0.07806 system time used= 0.005275 maximum resident set size= 13824 integral shared memory size= 0 integral unshared data size= 0 integral unshared stack size= 0 page reclaims= 3524 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= 12 involuntary context switches= 3 # summary of solver processes directly reported to runsolver: # pid: 329697 # total CPU time (s): 0.083335 # total CPU user time (s): 0.07806 # total CPU system time (s): 0.005275 ??? join timestamper begins ??? join timestamper ends ??? end of timestamper thread runsolver used 0.004043 second user time and 0.010387 second system time The end
Begin job on nodeC028 at 2024-07-27 13:01:56 IDJOB=4461031 IDBENCH=143894 IDSOLVER=3087 FILE ID=nodeC028/4461031-1722078116 RUNJOBID= nodeC028-1722076692-328437 SLURM_JOB_ID= 8248138 Free space on /tmp= 890064 MiB SOLVER NAME= NaPS-GM 1.03a1 BENCH NAME= PB24/WBO/PARTIAL-LIN/wcsp/academics/normalized-langford-2-4_wcsp.wbo COMMAND LINE= HOME/naps-1.03.sh -GM BENCHNAME RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4461031-1722078116/watcher-4461031-1722078116 -o /tmp/evaluation-result-4461031-1722078116/solver-4461031-1722078116 -C 3600 -W 3700 -M 31000 --bin-var /tmp/runsolver-exch-nodeC028-1722076692-328437 --watchdog 3760 HOME/naps-1.03.sh -GM HOME/instance-4461031-1722078116.wbo TIME LIMIT= 3600 seconds MEMORY LIMIT= 31000 MiB NBCORE= 2 MD5SUM BENCH= b04b2c0ff2bcd923aab403abb7b31516 RANDOM SEED=1691527233 nodeC028.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 : 3655.400 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 : 6999.46 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 : 3679.930 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 : 7005.51 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 : 3653.510 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 : 6999.46 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 : 3600.447 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 : 7005.51 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 : 3666.672 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 : 6999.46 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 : 3680.024 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 : 7005.51 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 : 3620.572 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 : 6999.46 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 : 3600.006 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 : 7005.51 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: /proc/meminfo: MemTotal: 131524600 kB MemFree: 103762136 kB MemAvailable: 118758744 kB Buffers: 374524 kB Cached: 15389748 kB SwapCached: 316 kB Active: 2444964 kB Inactive: 24576688 kB Active(anon): 4436 kB Inactive(anon): 11304908 kB Active(file): 2440528 kB Inactive(file): 13271780 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 131071996 kB SwapFree: 131054968 kB Dirty: 5712 kB Writeback: 0 kB AnonPages: 11256576 kB Mapped: 104460 kB Shmem: 51932 kB KReclaimable: 248248 kB Slab: 371524 kB SReclaimable: 248248 kB SUnreclaim: 123276 kB KernelStack: 4208 kB PageTables: 31724 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 196834296 kB Committed_AS: 13025724 kB VmallocTotal: 34359738367 kB VmallocUsed: 0 kB VmallocChunk: 0 kB Percpu: 15008 kB HardwareCorrupted: 0 kB AnonHugePages: 4167680 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: 443092 kB DirectMap2M: 51759104 kB DirectMap1G: 83886080 kB Free space on /tmp at the end= 890060 MiB End job on nodeC028 at 2024-07-27 13:01:56