Trace number 3726514

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 2.02SAT 0.374942 0.375744

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
prestwich/robin/normalized-robin10.opb
MD5SUM93a881e30e7c33fefd66d9521eb49849
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 benchmark0.066989
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2025
Total number of constraints410
Number of constraints which are clauses180
Number of constraints which are cardinality constraints (but not clauses)230
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint45
Maximum length of a constraint81
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 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 83
Number of bits of the biggest sum of numbers7
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:                     2.02 beta - May, 2012                            |
0.00/0.00	c |                                                                             |
0.00/0.00	c Parsing opb file format. File HOME/instance-3726514-1338651550.opb.
0.00/0.00	c Instance file HOME/instance-3726514-1338651550.opb
0.00/0.00	c File size is 174482 bytes.
0.00/0.01	c Highest Coefficient sum: 83
0.00/0.01	c ============================[ Problem Statistics ]=============================
0.00/0.01	c |                                                                             |
0.00/0.01	c |  Parsing time:          0.01         s                                      |
0.00/0.01	c |  Number Variables:      2025                                                |
0.00/0.01	c |  Number Clauses:        180                                                 |
0.00/0.01	c |  Number Cardinality:    230                                                 |
0.00/0.01	c |  Number PB Constraints: 0                                                   |
0.00/0.01	c |                                                                             |
0.00/0.01	c |  Problem Type:          Decision                                            |
0.00/0.01	c |  Objective Function:    None                                                |
0.00/0.01	c |                                                                             |
0.00/0.01	c ===============================================================================
0.29/0.37	c ===============================================================================
0.29/0.37	c Wall Clock Time: 0.37 s
0.29/0.37	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-3726514-1338651550/watcher-3726514-1338651550 -o /tmp/evaluation-result-3726514-1338651550/solver-3726514-1338651550 -C 1800 -W 1900 -M 15500 pwbo2.02 -file-format=opb -verbosity=0 -thread=1 HOME/instance-3726514-1338651550.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: 0.92 1.01 1.31 3/172 29490
/proc/meminfo: memFree=27976588/32873844 swapFree=7628/7628
[pid=29490] ppid=29488 vsize=3764 CPUtime=0 cores=1,3,5,7
/proc/29490/stat : 29490 (pwbo2.02) R 29488 29490 27854 0 -1 4202496 425 0 0 0 0 0 0 0 20 0 1 0 331279377 3854336 378 33554432000 4194304 5964478 140737414985584 140737414983464 4344768 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/29490/statm: 941 378 169 433 0 462 0

[startup+0.0578309 s]
/proc/loadavg: 0.92 1.01 1.31 3/172 29490
/proc/meminfo: memFree=27976588/32873844 swapFree=7628/7628
[pid=29490] ppid=29488 vsize=84796 CPUtime=0.05 cores=1,3,5,7
/proc/29490/stat : 29490 (pwbo2.02) S 29488 29490 27854 0 -1 4202496 1536 0 0 0 5 0 0 0 20 0 2 0 331279377 86831104 1446 33554432000 4194304 5964478 140737414985584 140737414985104 4546685 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/29490/statm: 21199 1446 186 433 0 20763 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 84796

[startup+0.100172 s]
/proc/loadavg: 0.92 1.01 1.31 3/172 29490
/proc/meminfo: memFree=27976588/32873844 swapFree=7628/7628
[pid=29490] ppid=29488 vsize=84796 CPUtime=0.09 cores=1,3,5,7
/proc/29490/stat : 29490 (pwbo2.02) S 29488 29490 27854 0 -1 4202496 1651 0 0 0 9 0 0 0 20 0 2 0 331279377 86831104 1561 33554432000 4194304 5964478 140737414985584 140737414985104 4546685 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/29490/statm: 21199 1561 186 433 0 20763 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 84796

[startup+0.30015 s]
/proc/loadavg: 0.92 1.01 1.31 3/172 29490
/proc/meminfo: memFree=27976588/32873844 swapFree=7628/7628
[pid=29490] ppid=29488 vsize=84796 CPUtime=0.29 cores=1,3,5,7
/proc/29490/stat : 29490 (pwbo2.02) S 29488 29490 27854 0 -1 4202496 2123 0 0 0 29 0 0 0 20 0 2 0 331279377 86831104 2033 33554432000 4194304 5964478 140737414985584 140737414985104 4546685 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/29490/statm: 21199 2033 186 433 0 20763 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 84796

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

Child status: 255
Real time (s): 0.375744
CPU time (s): 0.374942
CPU user time (s): 0.362944
CPU system time (s): 0.011998
CPU usage (%): 99.7865
Max. virtual memory (cumulated for all children) (KiB): 84796

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.362944
system time used= 0.011998
maximum resident set size= 8816
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2294
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= 6

runsolver used 0 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node143 at 2012-06-02 17:39:10
IDJOB=3726514
IDBENCH=1154
IDSOLVER=2310
FILE ID=node143/3726514-1338651550
RUNJOBID= node143-1338651550-29472
PBS_JOBID= 14636437
Free space on /tmp= 68548 MiB

SOLVER NAME= pwbo 2.02
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/prestwich/robin/normalized-robin10.opb
COMMAND LINE= pwbo2.02 -file-format=opb -verbosity=0 -thread=1 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3726514-1338651550/watcher-3726514-1338651550 -o /tmp/evaluation-result-3726514-1338651550/solver-3726514-1338651550 -C 1800 -W 1900 -M 15500  pwbo2.02 -file-format=opb -verbosity=0 -thread=1 HOME/instance-3726514-1338651550.opb

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

MD5SUM BENCH= 93a881e30e7c33fefd66d9521eb49849
RANDOM SEED=747037683

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:        27977268 kB
Buffers:          361712 kB
Cached:          3626068 kB
SwapCached:          112 kB
Active:          1959908 kB
Inactive:        2042176 kB
Active(anon):       5848 kB
Inactive(anon):    10908 kB
Active(file):    1954060 kB
Inactive(file):  2031268 kB
Unevictable:        7628 kB
Mlocked:            7628 kB
SwapTotal:      67108856 kB
SwapFree:       67108424 kB
Dirty:              7436 kB
Writeback:             0 kB
AnonPages:         21992 kB
Mapped:             9692 kB
Shmem:               160 kB
Slab:             755676 kB
SReclaimable:     197848 kB
SUnreclaim:       557828 kB
KernelStack:        1416 kB
PageTables:         4308 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     109032 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:      2048 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= 68536 MiB
End job on node143 at 2012-06-02 17:39:11