Trace number 3728927

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
PB09: bsolo 3.1SAT 0.944855 0.945599

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 bsolo beta version 3.1 - 13/04/2009 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Learning Strategy: Cardinality Constraint Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 15500 MB
0.00/0.00	c Instance file HOME/instance-3728927-1338678788.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 Parsing was ok!!
0.00/0.01	c Total parsing time: 0.012 s
0.00/0.01	c Var: 2025 Constr: 410 180/230/0 Lit: 20250 Watch. Lit: 12460
0.00/0.01	c Obj. Vars: 0 (0 % of total variables)
0.09/0.14	c Pre-processing Time: 0.141 s
0.09/0.14	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.14	c        0   2025      410    20250   49    12460  168860      0      0 0.14
0.09/0.14	c Switching off lower bounding mode.
0.89/0.94	c      100   2025      517    45411   87    12895  185747    107    574 0.17
0.89/0.94	c      250   2025      683    71190  104    13590  204322    273   1126 0.22
0.89/0.94	c      475   2025      926   120837  130    14480  224755    516   1562 0.30
0.89/0.94	c      814   2025     1297   255836  197    15784  247231    887   1504 0.54
0.89/0.94	c     1322   2025     1851   364526  196    18287  271955   1441   1681 0.79
0.89/0.94	c Backtracks by Clause: 1559
0.89/0.94	c Backtracks by PB constraint: 59
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-x2017 -x2018 -x2019 -x2020 -x2021 -x2022 -x2023 -x2024 -x2025 
0.89/0.94	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.89/0.94	c    5     1618    939    33941     2173   431050   1763   1715 0.94
0.89/0.94	s SATISFIABLE
0.89/0.94	c Total time: 0.943 s

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-3728927-1338678788/watcher-3728927-1338678788 -o /tmp/evaluation-result-3728927-1338678788/solver-3728927-1338678788 -C 1800 -W 1900 -M 15500 bsolo -l2 -t1800 -m15500 HOME/instance-3728927-1338678788.opb 

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: 1.82 0.76 0.62 3/176 29695
/proc/meminfo: memFree=31026636/32873844 swapFree=7116/7116
[pid=29695] ppid=29693 vsize=11100 CPUtime=0 cores=0,2,4,6
/proc/29695/stat : 29695 (bsolo) R 29693 29695 29538 0 -1 4202496 325 0 0 0 0 0 0 0 20 0 1 0 334005780 11366400 278 33554432000 134512640 137136520 4288231312 4288229032 136504651 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/29695/statm: 2775 278 186 641 0 2088 0

[startup+0.0343431 s]
/proc/loadavg: 1.82 0.76 0.62 3/176 29695
/proc/meminfo: memFree=31026636/32873844 swapFree=7116/7116
[pid=29695] ppid=29693 vsize=11584 CPUtime=0.03 cores=0,2,4,6
/proc/29695/stat : 29695 (bsolo) R 29693 29695 29538 0 -1 4202496 531 0 0 0 3 0 0 0 20 0 1 0 334005780 11862016 441 33554432000 134512640 137136520 4288231312 4288205676 136568305 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/29695/statm: 2896 441 188 641 0 2252 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 11584

[startup+0.100209 s]
/proc/loadavg: 1.82 0.76 0.62 3/176 29695
/proc/meminfo: memFree=31026636/32873844 swapFree=7116/7116
[pid=29695] ppid=29693 vsize=11584 CPUtime=0.09 cores=0,2,4,6
/proc/29695/stat : 29695 (bsolo) R 29693 29695 29538 0 -1 4202496 531 0 0 0 9 0 0 0 20 0 1 0 334005780 11862016 441 33554432000 134512640 137136520 4288231312 4288205676 136568305 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/29695/statm: 2896 441 188 641 0 2252 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11584

[startup+0.300178 s]
/proc/loadavg: 1.82 0.76 0.62 3/176 29695
/proc/meminfo: memFree=31026636/32873844 swapFree=7116/7116
[pid=29695] ppid=29693 vsize=12852 CPUtime=0.29 cores=0,2,4,6
/proc/29695/stat : 29695 (bsolo) R 29693 29695 29538 0 -1 4202496 882 0 0 0 29 0 0 0 20 0 1 0 334005780 13160448 792 33554432000 134512640 137136520 4288231312 4288230080 134574860 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/29695/statm: 3213 792 196 641 0 2569 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12852

[startup+0.700179 s]
/proc/loadavg: 1.82 0.76 0.62 3/176 29695
/proc/meminfo: memFree=31026636/32873844 swapFree=7116/7116
[pid=29695] ppid=29693 vsize=15688 CPUtime=0.69 cores=0,2,4,6
/proc/29695/stat : 29695 (bsolo) R 29693 29695 29538 0 -1 4202496 1591 0 0 0 69 0 0 0 20 0 1 0 334005780 16064512 1501 33554432000 134512640 137136520 4288231312 4288230428 136568305 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/29695/statm: 3922 1501 196 641 0 3278 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15688

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

[startup+0.900177 s]
/proc/loadavg: 1.82 0.76 0.62 3/176 29695
/proc/meminfo: memFree=31026636/32873844 swapFree=7116/7116
[pid=29695] ppid=29693 vsize=16844 CPUtime=0.89 cores=0,2,4,6
/proc/29695/stat : 29695 (bsolo) R 29693 29695 29538 0 -1 4202496 1881 0 0 0 88 1 0 0 20 0 1 0 334005780 17248256 1791 33554432000 134512640 137136520 4288231312 4288229844 134551730 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/29695/statm: 4211 1791 196 641 0 3567 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 16844

Child status: 0
Real time (s): 0.945599
CPU time (s): 0.944855
CPU user time (s): 0.929858
CPU system time (s): 0.014997
CPU usage (%): 99.9213
Max. virtual memory (cumulated for all children) (KiB): 16844

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.929858
system time used= 0.014997
maximum resident set size= 7428
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1948
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= 1
involuntary context switches= 4

runsolver used 0.004999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node111 at 2012-06-03 01:13:08
IDJOB=3728927
IDBENCH=1154
IDSOLVER=2320
FILE ID=node111/3728927-1338678788
RUNJOBID= node111-1338678630-29557
PBS_JOBID= 14636702
Free space on /tmp= 67392 MiB

SOLVER NAME= PB09: bsolo 3.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/prestwich/robin/normalized-robin10.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3728927-1338678788/watcher-3728927-1338678788 -o /tmp/evaluation-result-3728927-1338678788/solver-3728927-1338678788 -C 1800 -W 1900 -M 15500  bsolo -l2 -t1800 -m15500 HOME/instance-3728927-1338678788.opb

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

MD5SUM BENCH= 93a881e30e7c33fefd66d9521eb49849
RANDOM SEED=911656466

node111.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		: 2666.152
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	: 5332.30
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		: 2666.152
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		: 2666.152
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		: 2666.152
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		: 2666.152
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		: 2666.152
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		: 2666.152
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		: 2666.152
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:       32873844 kB
MemFree:        31027644 kB
Buffers:          162516 kB
Cached:           465496 kB
SwapCached:         1352 kB
Active:           576880 kB
Inactive:         485120 kB
Active(anon):     435236 kB
Inactive(anon):     1120 kB
Active(file):     141644 kB
Inactive(file):   484000 kB
Unevictable:        7116 kB
Mlocked:            7116 kB
SwapTotal:      67108856 kB
SwapFree:       67100048 kB
Dirty:              4056 kB
Writeback:             0 kB
AnonPages:        440100 kB
Mapped:             9536 kB
Shmem:                 0 kB
Slab:             644924 kB
SReclaimable:      87176 kB
SUnreclaim:       557748 kB
KernelStack:        1464 kB
PageTables:         4812 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     563336 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:         0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7872 kB
DirectMap2M:    33538048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-3728927-1338678788.opb

Free space on /tmp at the end= 67388 MiB
End job on node111 at 2012-06-03 01:13:09