Trace number 3704122

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
pwbo 2.0SAT 0.903861 0.904635

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_2.opb.PB06.opb
MD5SUM2882e17c9be8b3b8a5ac8492f26b9dcd
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 benchmark0.874866
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 280
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 825
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 |  pwbo:                    2.0 beta - March, 2012                            |
0.00/0.00	c |                                                                             |
0.00/0.00	c Parsing opb file format. File HOME/instance-3704122-1338089142.opb.
0.00/0.00	c Instance file HOME/instance-3704122-1338089142.opb
0.00/0.00	c File size is 11433731 bytes.
0.69/0.74	c Highest Coefficient sum: 825
0.69/0.74	c ============================[ Problem Statistics ]=============================
0.69/0.74	c |                                                                             |
0.69/0.74	c |  Parsing time:          0.74         s                                      |
0.69/0.74	c |  Number Variables:      1600                                                |
0.69/0.74	c |  Number Clauses:        327130                                              |
0.69/0.74	c |  Number Cardinality:    62                                                  |
0.69/0.74	c |  Number PB Constraints: 1770                                                |
0.69/0.74	c |                                                                             |
0.69/0.75	c |  Problem Type:          Decision                                            |
0.69/0.75	c |  Objective Function:    None                                                |
0.69/0.75	c |                                                                             |
0.69/0.75	c ===============================================================================
0.79/0.89	c ===============================================================================
0.79/0.89	c Wall Clock Time: 0.90 s
0.79/0.90	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-3704122-1338089142/watcher-3704122-1338089142 -o /tmp/evaluation-result-3704122-1338089142/solver-3704122-1338089142 -C 1800 -W 1900 -M 15500 pwbo2.0 -file-format=opb -verbosity=0 -thread=1 HOME/instance-3704122-1338089142.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: 2.00 2.02 1.89 3/177 17853
/proc/meminfo: memFree=28707072/32873648 swapFree=6604/6604
[pid=17853] ppid=17851 vsize=14452 CPUtime=0 cores=1,3,5,7
/proc/17853/stat : 17853 (pwbo2.0) R 17851 17853 17458 0 -1 4202496 334 0 0 0 0 0 0 0 20 0 1 0 275038737 14798848 286 33554432000 4194304 5965102 140733862806960 140735691283000 5007152 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/17853/statm: 3613 286 167 433 0 385 0

[startup+0.056786 s]
/proc/loadavg: 2.00 2.02 1.89 3/177 17853
/proc/meminfo: memFree=28707072/32873648 swapFree=6604/6604
[pid=17853] ppid=17851 vsize=16376 CPUtime=0.05 cores=1,3,5,7
/proc/17853/stat : 17853 (pwbo2.0) R 17851 17853 17458 0 -1 4202496 1030 0 0 0 5 0 0 0 20 0 1 0 275038737 16769024 982 33554432000 4194304 5965102 140733862806960 140735691283000 4351027 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/17853/statm: 4094 982 363 433 0 866 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 16376

[startup+0.100269 s]
/proc/loadavg: 2.00 2.02 1.89 3/177 17853
/proc/meminfo: memFree=28707072/32873648 swapFree=6604/6604
[pid=17853] ppid=17851 vsize=18356 CPUtime=0.09 cores=1,3,5,7
/proc/17853/stat : 17853 (pwbo2.0) R 17851 17853 17458 0 -1 4202496 1667 0 0 0 9 0 0 0 20 0 1 0 275038737 18796544 1586 33554432000 4194304 5965102 140733862806960 140735691283000 4351027 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/17853/statm: 4589 1587 530 433 0 1361 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 18356

[startup+0.300244 s]
/proc/loadavg: 2.00 2.02 1.89 3/177 17853
/proc/meminfo: memFree=28707072/32873648 swapFree=6604/6604
[pid=17853] ppid=17851 vsize=26356 CPUtime=0.29 cores=1,3,5,7
/proc/17853/stat : 17853 (pwbo2.0) R 17851 17853 17458 0 -1 4202496 4451 0 0 0 29 0 0 0 20 0 1 0 275038737 26988544 4176 33554432000 4194304 5965102 140733862806960 140735691283000 5137146 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/17853/statm: 6589 4176 1296 433 0 3361 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 26356

[startup+0.700251 s]
/proc/loadavg: 2.00 2.02 1.89 3/177 17853
/proc/meminfo: memFree=28707072/32873648 swapFree=6604/6604
[pid=17853] ppid=17851 vsize=42112 CPUtime=0.69 cores=1,3,5,7
/proc/17853/stat : 17853 (pwbo2.0) R 17851 17853 17458 0 -1 4202496 9924 0 0 0 68 1 0 0 20 0 1 0 275038737 43122688 9392 33554432000 4194304 5965102 140733862806960 140733862804904 5137146 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/17853/statm: 10528 9392 2813 433 0 7300 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 42112

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

[startup+0.90015 s]
/proc/loadavg: 2.00 2.02 1.89 3/177 17853
/proc/meminfo: memFree=28707072/32873648 swapFree=6604/6604
[pid=17853] ppid=17851 vsize=114236 CPUtime=0.88 cores=1,3,5,7
/proc/17853/stat : 17853 (pwbo2.0) S 17851 17853 17458 0 -1 4202496 18229 0 0 0 87 1 0 0 20 0 2 0 275038737 116977664 14262 33554432000 4194304 5965102 140733862806960 140733862806480 4547341 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/17853/statm: 28559 14262 191 433 0 28123 0
Current children cumulated CPU time (s) 0.88
Current children cumulated vsize (KiB) 114236

Child status: 255
Real time (s): 0.904635
CPU time (s): 0.903861
CPU user time (s): 0.875866
CPU system time (s): 0.027995
CPU usage (%): 99.9145
Max. virtual memory (cumulated for all children) (KiB): 115860

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.875866
system time used= 0.027995
maximum resident set size= 59360
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 18231
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= 5

runsolver used 0.002999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node148 at 2012-05-27 05:25:42
IDJOB=3704122
IDBENCH=1379
IDSOLVER=2280
FILE ID=node148/3704122-1338089142
RUNJOBID= node148-1338087316-17475
PBS_JOBID= 14624438
Free space on /tmp= 71704 MiB

SOLVER NAME= pwbo 2.0
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_2.opb.PB06.opb
COMMAND LINE= pwbo2.0 -file-format=opb -verbosity=0 -thread=1 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3704122-1338089142/watcher-3704122-1338089142 -o /tmp/evaluation-result-3704122-1338089142/solver-3704122-1338089142 -C 1800 -W 1900 -M 15500  pwbo2.0 -file-format=opb -verbosity=0 -thread=1 HOME/instance-3704122-1338089142.opb

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

MD5SUM BENCH= 2882e17c9be8b3b8a5ac8492f26b9dcd
RANDOM SEED=1623000546

node148.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		: 2667.284
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	: 5334.56
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		: 2667.284
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	: 5331.94
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		: 2667.284
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	: 5331.92
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		: 2667.284
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		: 2667.284
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		: 2667.284
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		: 2667.284
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		: 2667.284
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	: 5331.90
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873648 kB
MemFree:        28707716 kB
Buffers:          312392 kB
Cached:          2739148 kB
SwapCached:          576 kB
Active:           772676 kB
Inactive:        2567088 kB
Active(anon):     279528 kB
Inactive(anon):    11120 kB
Active(file):     493148 kB
Inactive(file):  2555968 kB
Unevictable:        6604 kB
Mlocked:            6604 kB
SwapTotal:      67108856 kB
SwapFree:       67108024 kB
Dirty:             17128 kB
Writeback:             0 kB
AnonPages:        293528 kB
Mapped:            14964 kB
Shmem:                96 kB
Slab:             689248 kB
SReclaimable:     132980 kB
SUnreclaim:       556268 kB
KernelStack:        1464 kB
PageTables:         4548 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545680 kB
Committed_AS:     157076 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346400 kB
VmallocChunk:   34341988052 kB
HardwareCorrupted:     0 kB
AnonHugePages:    223232 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7680 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 71696 MiB
End job on node148 at 2012-05-27 05:25:43