Trace number 3728292

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
wbo 1.72OPTIMUM 0.667898 0.663635

General information on the benchmark

Name/PARTIAL-SMALLINT-LIN/wcsp/academics/
normalized-langford-3-9_wcsp.wbo
MD5SUM5add7de3ccff8290bd0d3a32154c6477
Bench CategoryPARTIAL-SMALLINT-LIN (both soft and hard constraints, small integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.261959
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables729
Total number of constraints22248
Number of soft constraints22221
Number of constraints which are clauses22221
Number of constraints which are cardinality constraints (but not clauses)27
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint27
Top cost 1
Min constraint cost 1
Max constraint cost 1
Sum of constraints costs 22221
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 28
Number of bits of the biggest sum of numbers5
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 ==============================[ Solver Version ]===============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |   wbo:                     1.72 beta - May, 2012                            |
0.00/0.00	c |                                                                             |
0.00/0.00	c Parsing wbo file format. File HOME/instance-3728292-1338676019.wbo.
0.00/0.00	c Instance file HOME/instance-3728292-1338676019.wbo
0.00/0.00	c File size is 622714 bytes.
0.00/0.04	c Highest Coefficient sum: 28
0.00/0.04	c ============================[ Problem Statistics ]=============================
0.00/0.04	c |                                                                             |
0.00/0.04	c |  Parsing time:          0.05         s                                      |
0.00/0.04	c |  Number Variables:      22950                                               |
0.00/0.04	c |  Number Clauses:        22248                                               |
0.00/0.04	c |  Number Cardinality:    27                                                  |
0.00/0.04	c |  Number PB Constraints: 0                                                   |
0.00/0.04	c |                                                                             |
0.04/0.06	c |  Problem Type:          Optimization                                        |
0.04/0.06	c |  Objective Function:    Cardinality Constraint                              |
0.04/0.06	c |                                                                             |
0.04/0.06	c ============================[ Search Statistics ]==============================
0.04/0.06	c | Time (s)  | ID |      Bound      |               Shared Clauses             |
0.04/0.06	c |           |    | value      type |  expCls         impCls        Lit/impCl  |
0.04/0.06	c ===============================================================================
0.59/0.66	c | 0.66      | 0  | 0            ub |  0                0                0.00  |
0.59/0.66	c ===============================================================================
0.59/0.66	c Wall Clock Time: 0.66 s
0.59/0.66	o 0
0.59/0.66	c Best Solution: 0
0.59/0.66	s OPTIMUM FOUND
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Verifier Data 

OK	0

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

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-3728292-1338676019/watcher-3728292-1338676019 -o /tmp/evaluation-result-3728292-1338676019/solver-3728292-1338676019 -C 1800 -W 1900 -M 15500 wbo1.72 -file-format=wbo HOME/instance-3728292-1338676019.wbo 

running on 4 cores: 1,3,5,7

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: 1.93 2.52 2.68 3/177 21927
/proc/meminfo: memFree=27658696/32873844 swapFree=7628/7628
[pid=21927] ppid=21925 vsize=4464 CPUtime=0 cores=1,3,5,7
/proc/21927/stat : 21927 (wbo1.72) R 21925 21927 17860 0 -1 4202496 461 0 0 0 0 0 0 0 20 0 1 0 333726775 4571136 413 33554432000 4194304 5964350 140735051453984 140735051452232 4395186 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/21927/statm: 1116 413 171 433 0 527 0

[startup+0.0508351 s]
/proc/loadavg: 1.93 2.52 2.68 3/177 21927
/proc/meminfo: memFree=27658696/32873844 swapFree=7628/7628
[pid=21927] ppid=21925 vsize=91304 CPUtime=0.04 cores=1,3,5,7
/proc/21927/stat : 21927 (wbo1.72) S 21925 21927 17860 0 -1 4202496 2667 0 0 0 4 0 0 0 20 0 2 0 333726775 93495296 2466 33554432000 4194304 5964350 140735051453984 140735051453504 4546605 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/21927/statm: 22826 2466 177 433 0 22390 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 91304

[startup+0.100207 s]
/proc/loadavg: 1.93 2.52 2.68 3/177 21927
/proc/meminfo: memFree=27658696/32873844 swapFree=7628/7628
[pid=21927] ppid=21925 vsize=91456 CPUtime=0.09 cores=1,3,5,7
/proc/21927/stat : 21927 (wbo1.72) S 21925 21927 17860 0 -1 4202496 5340 0 0 0 9 0 0 0 20 0 2 0 333726775 93650944 4505 33554432000 4194304 5964350 140735051453984 140735051453504 4546605 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/21927/statm: 22864 4505 190 433 0 22428 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 91456

[startup+0.300111 s]
/proc/loadavg: 1.93 2.52 2.68 3/177 21927
/proc/meminfo: memFree=27658696/32873844 swapFree=7628/7628
[pid=21927] ppid=21925 vsize=91456 CPUtime=0.29 cores=1,3,5,7
/proc/21927/stat : 21927 (wbo1.72) S 21925 21927 17860 0 -1 4202496 5644 0 0 0 29 0 0 0 20 0 2 0 333726775 93650944 4809 33554432000 4194304 5964350 140735051453984 140735051453504 4546605 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/21927/statm: 22864 4809 190 433 0 22428 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 91456

Solver just ended. Dumping a history of the last processes samples

[startup+0.500114 s]
/proc/loadavg: 1.93 2.52 2.68 3/177 21927
/proc/meminfo: memFree=27658696/32873844 swapFree=7628/7628
[pid=21927] ppid=21925 vsize=91456 CPUtime=0.49 cores=1,3,5,7
/proc/21927/stat : 21927 (wbo1.72) S 21925 21927 17860 0 -1 4202496 5966 0 0 0 49 0 0 0 20 0 2 0 333726775 93650944 5131 33554432000 4194304 5964350 140735051453984 140735051453504 4546605 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/21927/statm: 22864 5131 190 433 0 22428 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 91456

[startup+0.600117 s]
/proc/loadavg: 1.93 2.52 2.68 3/177 21927
/proc/meminfo: memFree=27658696/32873844 swapFree=7628/7628
[pid=21927] ppid=21925 vsize=91456 CPUtime=0.59 cores=1,3,5,7
/proc/21927/stat : 21927 (wbo1.72) S 21925 21927 17860 0 -1 4202496 6099 0 0 0 59 0 0 0 20 0 2 0 333726775 93650944 5264 33554432000 4194304 5964350 140735051453984 140735051453504 4546605 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/21927/statm: 22864 5264 190 433 0 22428 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 91456

Child status: 255
Real time (s): 0.663635
CPU time (s): 0.667898
CPU user time (s): 0.6549
CPU system time (s): 0.012998
CPU usage (%): 100.642
Max. virtual memory (cumulated for all children) (KiB): 91456

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.6549
system time used= 0.012998
maximum resident set size= 21288
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6157
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= 4
involuntary context switches= 10

runsolver used 0.002999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node144 at 2012-06-03 00:26:59
IDJOB=3728292
IDBENCH=79355
IDSOLVER=2315
FILE ID=node144/3728292-1338676019
RUNJOBID= node144-1338676006-20924
PBS_JOBID= 14636488
Free space on /tmp= 70832 MiB

SOLVER NAME= wbo 1.72
BENCH NAME= PB10/normalized-PB10/PARTIAL-SMALLINT-LIN/wcsp/academics/normalized-langford-3-9_wcsp.wbo
COMMAND LINE= wbo1.72 -file-format=wbo BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3728292-1338676019/watcher-3728292-1338676019 -o /tmp/evaluation-result-3728292-1338676019/solver-3728292-1338676019 -C 1800 -W 1900 -M 15500  wbo1.72 -file-format=wbo HOME/instance-3728292-1338676019.wbo

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

MD5SUM BENCH= 5add7de3ccff8290bd0d3a32154c6477
RANDOM SEED=1794488256

node144.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		: 2666.196
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	: 5332.39
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		: 2666.196
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	: 5331.91
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		: 2666.196
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	: 5438.54
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		: 2666.196
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	: 5331.91
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		: 2666.196
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	: 5331.90
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		: 2666.196
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	: 5331.92
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		: 2666.196
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	: 5331.91
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		: 2666.196
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	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873844 kB
MemFree:        27659480 kB
Buffers:          624496 kB
Cached:          3625792 kB
SwapCached:          464 kB
Active:          2487496 kB
Inactive:        1861100 kB
Active(anon):      80812 kB
Inactive(anon):    11196 kB
Active(file):    2406684 kB
Inactive(file):  1849904 kB
Unevictable:        7628 kB
Mlocked:            7628 kB
SwapTotal:      67108856 kB
SwapFree:       67108376 kB
Dirty:             12504 kB
Writeback:             0 kB
AnonPages:         96536 kB
Mapped:            15000 kB
Shmem:               172 kB
Slab:             726664 kB
SReclaimable:     167144 kB
SUnreclaim:       559520 kB
KernelStack:        1440 kB
PageTables:         4460 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     149188 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:     16384 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7872 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 70824 MiB
End job on node144 at 2012-06-03 00:26:59