Trace number 4098211

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
Open-WBO PB16UNSAT 0.427934 0.428919

General information on the benchmark

Namenormalized-PB16/DEC-SMALLINT-LIN/quimper/SyncCodes/
d-equals-n_k/normalized-compression64_5.opb
MD5SUMef6d0572158fd0a5ac9a46f8965ef396
Bench CategoryDEC-SMALLINT-LIN (no optimisation, small integers, linear constraints)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark0.427934
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables4830
Total number of constraints23534
Number of constraints which are clauses23529
Number of constraints which are cardinality constraints (but not clauses)5
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint69
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 5
Number of bits of the biggest number in a constraint 3
Biggest sum of numbers in a constraint 74
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c
0.00/0.00	c Open-WBO:	 a Modular MaxSAT Solver -- based on Glucose4.0 (core version)
0.00/0.00	c Version:	 Pseudo-Boolean Evaluation 2016
0.00/0.00	c Authors:	 Ruben Martins, Vasco Manquinho, Ines Lynce
0.00/0.00	c Contributors:	 Miguel Neves, Saurabh Joshi, Mikolas Janota
0.00/0.00	c Contact:	 open-wbo@sat.inesc-id.pt -- http://sat.inesc-id.pt/open-wbo/
0.00/0.00	c
0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c Instance file HOME/instance-4098211-1466117408.opb
0.00/0.00	c File size is 3191046 bytes.
0.39/0.42	c Sum of soft weights:            0
0.39/0.42	c |                                                                                                       |
0.39/0.42	c ========================================[ Problem Statistics ]===========================================
0.39/0.42	c |                                                                                                       |
0.39/0.42	c |  Problem Type:           Unweighted                                                                   |
0.39/0.42	c |  Number of variables:          4830                                                                   |
0.39/0.42	c |  Number of hard clauses:      23532                                                                   |
0.39/0.42	c |  Number of soft clauses:          0                                                                   |
0.39/0.42	c |  Number of cardinality:           6                                                                   |
0.39/0.42	c |  Number of PB :                   0                                                                   |
0.39/0.42	c |  Parse time:                   0.34 s                                                                 |
0.39/0.42	c |                                                                                                       |
0.39/0.42	s UNSATISFIABLE

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

runsolver Copyright (C) 2010-2013 Olivier ROUSSEL

This is runsolver version 3.3.7 (svn: 2553)

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.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-4098211-1466117408/watcher-4098211-1466117408 -o /tmp/evaluation-result-4098211-1466117408/solver-4098211-1466117408 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node138-1466113129-20910 --watchdog 1960 open-wbo HOME/instance-4098211-1466117408.opb 

pid=25536
running on 4 cores: 0,2,4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1900 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.07 2.07 2.04 3/177 25539
/proc/meminfo: memFree=31297916/32872528 swapFree=532956/565660
[pid=25539] ppid=25536 vsize=5720 CPUtime=0 cores=0,2,4,6
/proc/25539/stat : 25539 (open-wbo) R 25536 25539 17565 0 -1 4202496 1180 0 0 0 0 0 0 0 20 0 1 0 13786491 5857280 1056 33554432000 4194304 6059633 140733945531088 140734415893592 5043379 0 0 4096 8404992 0 0 0 17 2 0 0 0 0 0
/proc/25539/statm: 1430 1056 914 456 0 186 0

[startup+0.100157 s]
/proc/loadavg: 2.07 2.07 2.04 3/177 25539
/proc/meminfo: memFree=31297916/32872528 swapFree=532956/565660
[pid=25539] ppid=25536 vsize=6504 CPUtime=0.09 cores=0,2,4,6
/proc/25539/stat : 25539 (open-wbo) R 25536 25539 17565 0 -1 4202496 1379 0 0 0 9 0 0 0 20 0 1 0 13786491 6660096 1255 33554432000 4194304 6059633 140733945531088 140734415893592 5043379 0 0 4096 8404992 0 0 0 17 2 0 0 0 0 0
/proc/25539/statm: 1626 1255 914 456 0 382 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6504

[startup+0.200316 s]
/proc/loadavg: 2.07 2.07 2.04 3/177 25539
/proc/meminfo: memFree=31297916/32872528 swapFree=532956/565660
[pid=25539] ppid=25536 vsize=7032 CPUtime=0.19 cores=0,2,4,6
/proc/25539/stat : 25539 (open-wbo) R 25536 25539 17565 0 -1 4202496 1505 0 0 0 19 0 0 0 20 0 1 0 13786491 7200768 1381 33554432000 4194304 6059633 140733945531088 140734415893592 4630395 0 0 4096 8404992 0 0 0 17 2 0 0 0 0 0
/proc/25539/statm: 1758 1381 914 456 0 514 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 7032

[startup+0.300298 s]
/proc/loadavg: 2.07 2.07 2.04 3/177 25539
/proc/meminfo: memFree=31297916/32872528 swapFree=532956/565660
[pid=25539] ppid=25536 vsize=7732 CPUtime=0.29 cores=0,2,4,6
/proc/25539/stat : 25539 (open-wbo) R 25536 25539 17565 0 -1 4202496 1659 0 0 0 29 0 0 0 20 0 1 0 13786491 7917568 1535 33554432000 4194304 6059633 140733945531088 140734415893592 4210904 0 0 4096 8404992 0 0 0 17 2 0 0 0 0 0
/proc/25539/statm: 1933 1535 914 456 0 689 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7732

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 25539 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

[startup+0.400291 s]
/proc/loadavg: 2.07 2.07 2.04 3/177 25539
/proc/meminfo: memFree=31297916/32872528 swapFree=532956/565660
[pid=25539] ppid=25536 vsize=13152 CPUtime=0.39 cores=0,2,4,6
/proc/25539/stat : 25539 (open-wbo) R 25536 25539 17565 0 -1 4202496 2715 0 0 0 39 0 0 0 20 0 1 0 13786491 13467648 2322 33554432000 4194304 6059633 140733945531088 140734415893592 4278363 0 0 4096 8404992 0 0 0 17 2 0 0 0 0 0
/proc/25539/statm: 3288 2322 178 456 0 2824 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 13152

Child status: 20
Real time (s): 0.428919
CPU time (s): 0.427934
CPU user time (s): 0.423935
CPU system time (s): 0.003999
CPU usage (%): 99.7704
Max. virtual memory (cumulated for all children) (KiB): 13152

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.423935
system time used= 0.003999
maximum resident set size= 9536
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2777
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= 3
involuntary context switches= 1

??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.003999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node138 at 2016-06-17 00:50:09
IDJOB=4098211
IDBENCH=107867
IDSOLVER=2547
FILE ID=node138/4098211-1466117408
RUNJOBID= node138-1466113129-20910
PBS_JOBID= 19904048
Free space on /tmp= 71720 MiB

SOLVER NAME= Open-WBO PB16
BENCH NAME= PB16/normalized-PB16/DEC-SMALLINT-LIN/quimper/SyncCodes/d-equals-n_k/normalized-compression64_5.opb
COMMAND LINE= open-wbo BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4098211-1466117408/watcher-4098211-1466117408 -o /tmp/evaluation-result-4098211-1466117408/solver-4098211-1466117408 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node138-1466113129-20910 --watchdog 1960  open-wbo HOME/instance-4098211-1466117408.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= ef6d0572158fd0a5ac9a46f8965ef396
RANDOM SEED=1614869776

node138.alineos.net Linux 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.395
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5332.79
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.395
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
initial apicid	: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5332.55
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.395
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
initial apicid	: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5332.55
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.395
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
initial apicid	: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5332.55
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.395
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
initial apicid	: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5332.55
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.395
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
initial apicid	: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5332.55
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.395
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
initial apicid	: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5332.54
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.395
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
initial apicid	: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5332.56
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32872528 kB
MemFree:        31298560 kB
Buffers:           72440 kB
Cached:           146292 kB
SwapCached:         1380 kB
Active:           184592 kB
Inactive:         120908 kB
Active(anon):      87060 kB
Inactive(anon):     1664 kB
Active(file):      97532 kB
Inactive(file):   119244 kB
Unevictable:      565660 kB
Mlocked:          532956 kB
SwapTotal:      67108856 kB
SwapFree:       67099636 kB
Dirty:              7768 kB
Writeback:             0 kB
AnonPages:        685804 kB
Mapped:             7856 kB
Shmem:                 0 kB
Slab:             572264 kB
SReclaimable:      15544 kB
SUnreclaim:       556720 kB
KernelStack:        1456 kB
PageTables:         5548 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545120 kB
Committed_AS:     766984 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346412 kB
VmallocChunk:   34341988032 kB
HardwareCorrupted:     0 kB
AnonHugePages:    131072 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7552 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 71716 MiB
End job on node138 at 2016-06-17 00:50:09