Trace number 3708636

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
clasp 2.0.6-R5325 (dec)UNSAT 0.499923 0.501327

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111226680.opb
MD5SUM35d60df2826d5cfd1cfef4e444dfafed
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
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 benchmark0.067988
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables169
Total number of constraints101
Number of constraints which are clauses30
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint169
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 38
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 1190
Number of bits of the biggest sum of numbers11
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 Calling clasp with: --sat-p=20,25,240,-1,1 --heuristic=Vsids --dynamic-restarts=100,0.7 --dinit=500,20000 --del=3.0,1.1,20.0 --recursive-str --update-lbd --dglue=2 --otfs=2 --dgrowS=100,1.5 --save-p=75 --cir=3 --cir-bump=1023 --reverse-arcs=2 --dsched=+,10000,2000 --dfrac=0.5
0.00/0.00	c clasp version 2.0.6
0.00/0.00	c Reading from ...153879/instance-3708636-1338153879.opb
0.00/0.00	c Solving...
0.00/0.50	s UNSATISFIABLE
0.00/0.50	
0.00/0.50	c Models        : 0     
0.00/0.50	c Time          : 0.498s (Solving: 0.50s 1st Model: 0.00s Unsat: 0.50s)
0.00/0.50	c CPU Time      : 0.490s

Verifier Data 

ERROR: no interpretation found !

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-3708636-1338153879/watcher-3708636-1338153879 -o /tmp/evaluation-result-3708636-1338153879/solver-3708636-1338153879 -C 1800 -W 1900 -M 15500 HOME/clasp-dec.sh HOME/instance-3708636-1338153879.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: 1.94 2.01 1.99 3/177 26919
/proc/meminfo: memFree=31146704/32873844 swapFree=7620/7620
[pid=26919] ppid=26917 vsize=9152 CPUtime=0 cores=1,3,5,7
/proc/26919/stat : 26919 (clasp-dec.sh) S 26917 26919 23064 0 -1 4202496 356 0 0 0 0 0 0 0 20 0 1 0 281512262 9371648 275 33554432000 4194304 5064252 140734436174400 140734436173312 251044456014 0 65536 4100 65538 18446744071579302229 0 0 17 5 0 0 0 0 0
/proc/26919/statm: 2288 275 232 213 0 73 0

[startup+0.105736 s]
/proc/loadavg: 1.94 2.01 1.99 3/177 26919
/proc/meminfo: memFree=31146704/32873844 swapFree=7620/7620
[pid=26919] ppid=26917 vsize=9152 CPUtime=0 cores=1,3,5,7
/proc/26919/stat : 26919 (clasp-dec.sh) S 26917 26919 23064 0 -1 4202496 356 0 0 0 0 0 0 0 20 0 1 0 281512262 9371648 275 33554432000 4194304 5064252 140734436174400 140734436173312 251044456014 0 65536 4100 65538 18446744071579302229 0 0 17 5 0 0 0 0 0
/proc/26919/statm: 2288 275 232 213 0 73 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9152

[startup+0.20026 s]
/proc/loadavg: 1.94 2.01 1.99 3/177 26919
/proc/meminfo: memFree=31146704/32873844 swapFree=7620/7620
[pid=26919] ppid=26917 vsize=9152 CPUtime=0 cores=1,3,5,7
/proc/26919/stat : 26919 (clasp-dec.sh) S 26917 26919 23064 0 -1 4202496 356 0 0 0 0 0 0 0 20 0 1 0 281512262 9371648 275 33554432000 4194304 5064252 140734436174400 140734436173312 251044456014 0 65536 4100 65538 18446744071579302229 0 0 17 5 0 0 0 0 0
/proc/26919/statm: 2288 275 232 213 0 73 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9152

[startup+0.300254 s]
/proc/loadavg: 1.94 2.01 1.99 3/177 26919
/proc/meminfo: memFree=31146704/32873844 swapFree=7620/7620
[pid=26919] ppid=26917 vsize=9152 CPUtime=0 cores=1,3,5,7
/proc/26919/stat : 26919 (clasp-dec.sh) S 26917 26919 23064 0 -1 4202496 356 0 0 0 0 0 0 0 20 0 1 0 281512262 9371648 275 33554432000 4194304 5064252 140734436174400 140734436173312 251044456014 0 65536 4100 65538 18446744071579302229 0 0 17 5 0 0 0 0 0
/proc/26919/statm: 2288 275 232 213 0 73 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9152

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

[startup+0.400256 s]
/proc/loadavg: 1.94 2.01 1.99 3/177 26919
/proc/meminfo: memFree=31146704/32873844 swapFree=7620/7620
[pid=26919] ppid=26917 vsize=9152 CPUtime=0 cores=1,3,5,7
/proc/26919/stat : 26919 (clasp-dec.sh) S 26917 26919 23064 0 -1 4202496 356 0 0 0 0 0 0 0 20 0 1 0 281512262 9371648 275 33554432000 4194304 5064252 140734436174400 140734436173312 251044456014 0 65536 4100 65538 18446744071579302229 0 0 17 5 0 0 0 0 0
/proc/26919/statm: 2288 275 232 213 0 73 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9152

[startup+0.500234 s]
/proc/loadavg: 1.94 2.01 1.99 3/177 26919
/proc/meminfo: memFree=31146704/32873844 swapFree=7620/7620
[pid=26919] ppid=26917 vsize=9152 CPUtime=0 cores=1,3,5,7
/proc/26919/stat : 26919 (clasp-dec.sh) S 26917 26919 23064 0 -1 4202496 356 0 0 0 0 0 0 0 20 0 1 0 281512262 9371648 275 33554432000 4194304 5064252 140734436174400 140734436173312 251044456014 0 65536 4100 65538 18446744071579302229 0 0 17 5 0 0 0 0 0
/proc/26919/statm: 2288 275 232 213 0 73 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9152

Child status: 20
Real time (s): 0.501327
CPU time (s): 0.499923
CPU user time (s): 0.497924
CPU system time (s): 0.001999
CPU usage (%): 99.72
Max. virtual memory (cumulated for all children) (KiB): 9152

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.497924
system time used= 0.001999
maximum resident set size= 1484
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 780
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= 5
involuntary context switches= 3

runsolver used 0.003999 second user time and 0.002999 second system time

The end

Launcher Data 

Begin job on node143 at 2012-05-27 23:24:39
IDJOB=3708636
IDBENCH=1224
IDSOLVER=2287
FILE ID=node143/3708636-1338153879
RUNJOBID= node143-1338150224-25430
PBS_JOBID= 14624509
Free space on /tmp= 71668 MiB

SOLVER NAME= clasp 2.0.6-R5325
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111226680.opb
COMMAND LINE= HOME/clasp-dec.sh BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3708636-1338153879/watcher-3708636-1338153879 -o /tmp/evaluation-result-3708636-1338153879/solver-3708636-1338153879 -C 1800 -W 1900 -M 15500  HOME/clasp-dec.sh HOME/instance-3708636-1338153879.opb

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

MD5SUM BENCH= 35d60df2826d5cfd1cfef4e444dfafed
RANDOM SEED=1622690162

node143.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		: 2666.787
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	: 5333.57
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		: 2666.787
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		: 2666.787
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		: 2666.787
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		: 2666.787
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		: 2666.787
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	: 5298.57
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		: 2666.787
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		: 2666.787
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:        31147232 kB
Buffers:          363828 kB
Cached:           505812 kB
SwapCached:            0 kB
Active:           591508 kB
Inactive:         302484 kB
Active(anon):      14756 kB
Inactive(anon):    12040 kB
Active(file):     576752 kB
Inactive(file):   290444 kB
Unevictable:        7620 kB
Mlocked:            7620 kB
SwapTotal:      67108856 kB
SwapFree:       67108856 kB
Dirty:              3088 kB
Writeback:             0 kB
AnonPages:         31284 kB
Mapped:            15240 kB
Shmem:               200 kB
Slab:             692936 kB
SReclaimable:     134208 kB
SUnreclaim:       558728 kB
KernelStack:        1488 kB
PageTables:         4196 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     139276 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:      8192 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= 71664 MiB
End job on node143 at 2012-05-27 23:24:40