Trace number 3726934

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 1.72SAT 0.905861 0.905947

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_8.opb.PB06.opb
MD5SUMa6ae80bf3bd14a966c0a388701471ae7
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.875866
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1600
Total number of constraints328901
Number of constraints which are clauses327070
Number of constraints which are cardinality constraints (but not clauses)61
Number of constraints which are nor clauses,nor cardinality constraints1770
Minimum length of a constraint2
Maximum length of a constraint700
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 258
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 759
Number of bits of the biggest sum of numbers10
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 opb file format. File HOME/instance-3726934-1338651481.opb.
0.00/0.00	c Instance file HOME/instance-3726934-1338651481.opb
0.00/0.00	c File size is 11432849 bytes.
0.69/0.73	c Highest Coefficient sum: 759
0.69/0.73	c ============================[ Problem Statistics ]=============================
0.69/0.73	c |                                                                             |
0.69/0.73	c |  Parsing time:          0.73         s                                      |
0.69/0.73	c |  Number Variables:      1600                                                |
0.69/0.73	c |  Number Clauses:        327130                                              |
0.69/0.73	c |  Number Cardinality:    62                                                  |
0.69/0.73	c |  Number PB Constraints: 1770                                                |
0.69/0.73	c |                                                                             |
0.69/0.74	c |  Problem Type:          Decision                                            |
0.69/0.74	c |  Objective Function:    None                                                |
0.69/0.74	c |                                                                             |
0.69/0.74	c ===============================================================================
0.89/0.90	c ===============================================================================
0.89/0.90	c Wall Clock Time: 0.90 s
0.89/0.90	s SATISFIABLE
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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-3726934-1338651481/watcher-3726934-1338651481 -o /tmp/evaluation-result-3726934-1338651481/solver-3726934-1338651481 -C 1800 -W 1900 -M 15500 wbo1.72 -file-format=opb HOME/instance-3726934-1338651481.opb 

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: 1.77 1.85 1.94 3/177 21622
/proc/meminfo: memFree=28104896/32873844 swapFree=7128/7128
[pid=21622] ppid=21620 vsize=14448 CPUtime=0 cores=1,3,5,7
/proc/21622/stat : 21622 (wbo1.72) R 21620 21622 20159 0 -1 4202496 350 0 0 0 0 0 0 0 20 0 1 0 331215119 14794752 303 33554432000 4194304 5964350 140735987013728 140736468018120 4352299 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/21622/statm: 3612 303 169 433 0 384 0

[startup+0.0741921 s]
/proc/loadavg: 1.77 1.85 1.94 3/177 21622
/proc/meminfo: memFree=28104896/32873844 swapFree=7128/7128
[pid=21622] ppid=21620 vsize=17272 CPUtime=0.07 cores=1,3,5,7
/proc/21622/stat : 21622 (wbo1.72) R 21620 21622 20159 0 -1 4202496 1318 0 0 0 7 0 0 0 20 0 1 0 331215119 17686528 1238 33554432000 4194304 5964350 140735987013728 140736468018120 5143917 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/21622/statm: 4318 1239 433 433 0 1090 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 17272

[startup+0.100284 s]
/proc/loadavg: 1.77 1.85 1.94 3/177 21622
/proc/meminfo: memFree=28104896/32873844 swapFree=7128/7128
[pid=21622] ppid=21620 vsize=18356 CPUtime=0.09 cores=1,3,5,7
/proc/21622/stat : 21622 (wbo1.72) R 21620 21622 20159 0 -1 4202496 1684 0 0 0 9 0 0 0 20 0 1 0 331215119 18796544 1604 33554432000 4194304 5964350 140735987013728 140736468018120 4344688 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/21622/statm: 4589 1604 533 433 0 1361 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 18356

[startup+0.300263 s]
/proc/loadavg: 1.77 1.85 1.94 3/177 21622
/proc/meminfo: memFree=28104896/32873844 swapFree=7128/7128
[pid=21622] ppid=21620 vsize=26488 CPUtime=0.29 cores=1,3,5,7
/proc/21622/stat : 21622 (wbo1.72) R 21620 21622 20159 0 -1 4202496 4488 0 0 0 29 0 0 0 20 0 1 0 331215119 27123712 4214 33554432000 4194304 5964350 140735987013728 140736468018120 5136410 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/21622/statm: 6622 4215 1306 433 0 3394 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 26488

[startup+0.70027 s]
/proc/loadavg: 1.77 1.85 1.94 3/177 21622
/proc/meminfo: memFree=28104896/32873844 swapFree=7128/7128
[pid=21622] ppid=21620 vsize=42360 CPUtime=0.69 cores=1,3,5,7
/proc/21622/stat : 21622 (wbo1.72) R 21620 21622 20159 0 -1 4202496 10021 0 0 0 69 0 0 0 20 0 1 0 331215119 43376640 9490 33554432000 4194304 5964350 140735987013728 140735987012072 5136410 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/21622/statm: 10590 9490 2837 433 0 7362 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 42360

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

[startup+0.900189 s]
/proc/loadavg: 1.77 1.85 1.94 3/177 21622
/proc/meminfo: memFree=28104896/32873844 swapFree=7128/7128
[pid=21622] ppid=21620 vsize=114228 CPUtime=0.89 cores=1,3,5,7
/proc/21622/stat : 21622 (wbo1.72) S 21620 21622 20159 0 -1 4202496 18203 0 0 0 87 2 0 0 20 0 2 0 331215119 116969472 14237 33554432000 4194304 5964350 140735987013728 140735987013248 4546605 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/21622/statm: 28557 14237 183 433 0 28121 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 114228

Child status: 255
Real time (s): 0.905947
CPU time (s): 0.905861
CPU user time (s): 0.870867
CPU system time (s): 0.034994
CPU usage (%): 99.9905
Max. virtual memory (cumulated for all children) (KiB): 115852

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.870867
system time used= 0.034994
maximum resident set size= 59336
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 18211
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= 4

runsolver used 0.001999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node105 at 2012-06-02 17:38:01
IDJOB=3726934
IDBENCH=1376
IDSOLVER=2313
FILE ID=node105/3726934-1338651481
RUNJOBID= node105-1338651421-21477
PBS_JOBID= 14636475
Free space on /tmp= 71288 MiB

SOLVER NAME= wbo 1.72
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_8.opb.PB06.opb
COMMAND LINE= wbo1.72 -file-format=opb BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3726934-1338651481/watcher-3726934-1338651481 -o /tmp/evaluation-result-3726934-1338651481/solver-3726934-1338651481 -C 1800 -W 1900 -M 15500  wbo1.72 -file-format=opb HOME/instance-3726934-1338651481.opb

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

MD5SUM BENCH= a6ae80bf3bd14a966c0a388701471ae7
RANDOM SEED=915754497

node105.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		: 2666.882
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	: 5333.76
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		: 2666.882
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		: 2666.882
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		: 2666.882
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		: 2666.882
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	: 5438.54
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		: 2666.882
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	: 5331.91
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		: 2666.882
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	: 5331.92
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		: 2666.882
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	: 5447.81
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873844 kB
MemFree:        28105168 kB
Buffers:          524588 kB
Cached:          3297332 kB
SwapCached:         1700 kB
Active:           958096 kB
Inactive:        2931656 kB
Active(anon):      63632 kB
Inactive(anon):     4808 kB
Active(file):     894464 kB
Inactive(file):  2926848 kB
Unevictable:        7128 kB
Mlocked:            7128 kB
SwapTotal:      67108856 kB
SwapFree:       67100456 kB
Dirty:             16968 kB
Writeback:             0 kB
AnonPages:         73200 kB
Mapped:             9672 kB
Shmem:                 0 kB
Slab:             736592 kB
SReclaimable:     177696 kB
SUnreclaim:       558896 kB
KernelStack:        1456 kB
PageTables:         4176 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     146916 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:     22528 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= 71280 MiB
End job on node105 at 2012-06-02 17:38:02