Trace number 3728311

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 0.19597 0.195549

General information on the benchmark

Name/PARTIAL-SMALLINT-LIN/wcsp/coloring/
normalized-le450-5a-5_wcsp.wbo
MD5SUM821044947071ea4d556d5ba9ce1f8458
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 benchmark0.19597
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables2250
Total number of constraints29020
Number of soft constraints28570
Number of constraints which are clauses28570
Number of constraints which are cardinality constraints (but not clauses)450
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint5
Top cost 5715
Min constraint cost 1
Max constraint cost 1
Sum of constraints costs 28570
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 6
Number of bits of the biggest sum of numbers3
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-3728311-1338676445.wbo.
0.00/0.00	c Instance file HOME/instance-3728311-1338676445.wbo
0.00/0.00	c File size is 851291 bytes.
0.01/0.06	c Highest Coefficient sum: 6
0.01/0.06	c ============================[ Problem Statistics ]=============================
0.01/0.06	c |                                                                             |
0.01/0.06	c |  Parsing time:          0.06         s                                      |
0.01/0.06	c |  Number Variables:      30820                                               |
0.01/0.06	c |  Number Clauses:        29020                                               |
0.01/0.06	c |  Number Cardinality:    450                                                 |
0.01/0.06	c |  Number PB Constraints: 0                                                   |
0.01/0.06	c |                                                                             |
0.01/0.09	c |  Problem Type:          Optimization                                        |
0.01/0.09	c |  Objective Function:    Cardinality Constraint                              |
0.01/0.09	c |                                                                             |
0.01/0.09	c ============================[ Search Statistics ]==============================
0.01/0.09	c | Time (s)  | ID |      Bound      |               Shared Clauses             |
0.01/0.09	c |           |    | value      type |  expCls         impCls        Lit/impCl  |
0.01/0.09	c ===============================================================================
0.09/0.19	c | 0.19      | 0  | 0            ub |  0                0                0.00  |
0.09/0.19	c ===============================================================================
0.09/0.19	c Wall Clock Time: 0.19 s
0.09/0.19	o 0
0.09/0.19	c Best Solution: 0
0.09/0.19	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-3728311-1338676445/watcher-3728311-1338676445 -o /tmp/evaluation-result-3728311-1338676445/solver-3728311-1338676445 -C 1800 -W 1900 -M 15500 wbo1.72 -file-format=wbo HOME/instance-3728311-1338676445.wbo 

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: 2.00 2.15 2.72 3/177 24449
/proc/meminfo: memFree=27467444/32873844 swapFree=7116/7116
[pid=24449] ppid=24447 vsize=4812 CPUtime=0 cores=0,2,4,6
/proc/24449/stat : 24449 (wbo1.72) R 24447 24449 23469 0 -1 4202496 522 0 0 0 0 0 0 0 20 0 1 0 333773044 4927488 475 33554432000 4194304 5964350 140735397330800 140734401373608 4395326 0 0 4096 16387 0 0 0 17 4 0 0 0 0 0
/proc/24449/statm: 1203 475 166 433 0 559 0

[startup+0.0179361 s]
/proc/loadavg: 2.00 2.15 2.72 3/177 24449
/proc/meminfo: memFree=27467444/32873844 swapFree=7116/7116
[pid=24449] ppid=24447 vsize=6032 CPUtime=0.01 cores=0,2,4,6
/proc/24449/stat : 24449 (wbo1.72) R 24447 24449 23469 0 -1 4202496 833 0 0 0 1 0 0 0 20 0 1 0 333773044 6176768 786 33554432000 4194304 5964350 140735397330800 140734401373608 4362192 0 0 4096 16387 0 0 0 17 4 0 0 0 0 0
/proc/24449/statm: 1508 786 205 433 0 864 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 6032

[startup+0.100164 s]
/proc/loadavg: 2.00 2.15 2.72 3/177 24449
/proc/meminfo: memFree=27467444/32873844 swapFree=7116/7116
[pid=24449] ppid=24447 vsize=98892 CPUtime=0.09 cores=0,2,4,6
/proc/24449/stat : 24449 (wbo1.72) S 24447 24449 23469 0 -1 4202496 6257 0 0 0 9 0 0 0 20 0 2 0 333773044 101265408 5919 33554432000 4194304 5964350 140735397330800 140735397330320 4546605 0 0 4096 16387 18446744073709551615 0 0 17 4 0 0 0 0 0
/proc/24449/statm: 24723 5919 182 433 0 24287 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 98892

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

Child status: 255
Real time (s): 0.195549
CPU time (s): 0.19597
CPU user time (s): 0.182972
CPU system time (s): 0.012998
CPU usage (%): 100.215
Max. virtual memory (cumulated for all children) (KiB): 98892

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.182972
system time used= 0.012998
maximum resident set size= 27084
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7160
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= 3

runsolver used 0.001999 second user time and 0.004999 second system time

The end

Launcher Data

Begin job on node108 at 2012-06-03 00:34:05
IDJOB=3728311
IDBENCH=79658
IDSOLVER=2315
FILE ID=node108/3728311-1338676445
RUNJOBID= node108-1338675686-24258
PBS_JOBID= 14636525
Free space on /tmp= 71468 MiB

SOLVER NAME= wbo 1.72
BENCH NAME= PB10/normalized-PB10/PARTIAL-SMALLINT-LIN/wcsp/coloring/normalized-le450-5a-5_wcsp.wbo
COMMAND LINE= wbo1.72 -file-format=wbo BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3728311-1338676445/watcher-3728311-1338676445 -o /tmp/evaluation-result-3728311-1338676445/solver-3728311-1338676445 -C 1800 -W 1900 -M 15500  wbo1.72 -file-format=wbo HOME/instance-3728311-1338676445.wbo

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

MD5SUM BENCH= 821044947071ea4d556d5ba9ce1f8458
RANDOM SEED=1836018769

node108.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		: 2666.273
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	: 5332.54
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		: 2666.273
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		: 2666.273
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	: 5331.91
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		: 2666.273
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		: 2666.273
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	: 5331.91
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		: 2666.273
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	: 5438.55
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		: 2666.273
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	: 5331.90
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		: 2666.273
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:        27467600 kB
Buffers:          318172 kB
Cached:          3516340 kB
SwapCached:           80 kB
Active:          2640020 kB
Inactive:        1965100 kB
Active(anon):     757792 kB
Inactive(anon):    13064 kB
Active(file):    1882228 kB
Inactive(file):  1952036 kB
Unevictable:        7116 kB
Mlocked:            7116 kB
SwapTotal:      67108856 kB
SwapFree:       67108548 kB
Dirty:              6224 kB
Writeback:             0 kB
AnonPages:        768908 kB
Mapped:            15028 kB
Shmem:               172 kB
Slab:             662876 kB
SReclaimable:     104996 kB
SUnreclaim:       557880 kB
KernelStack:        1488 kB
PageTables:         5496 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     146404 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:    575488 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= 71460 MiB
End job on node108 at 2012-06-03 00:34:05