Trace number 3707386

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
bsolo 3.2SAT 0.579911 0.581144

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
MD5SUMd807de21f10c00acae1479f7b1348df5
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 benchmark0.035994
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1733
Total number of constraints1256
Number of constraints which are clauses1188
Number of constraints which are cardinality constraints (but not clauses)68
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint17
Maximum length of a constraint35
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 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 36
Number of bits of the biggest sum of numbers6
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 3.2 - 23/05/2010 : 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 Instance file HOME/instance-3707386-1338141536.opb
0.00/0.00	c File size is 213795 bytes.
0.00/0.01	c Highest Coefficient sum: 36
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.016 s
0.00/0.01	c Var: 1733 Constr: 1256 1188/68/0 Lit: 23117 Watch. Lit: 4109
0.00/0.01	c Obj. Vars: 0 (0 % of total variables)
0.03/0.06	c Pre-processing Time: 0.065 s
0.03/0.06	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.03/0.06	c        0   1733     1256    23117   18     4109   15900      0      0 0.07
0.03/0.06	c Switching off lower bounding mode.
0.48/0.58	c      100   1733     1379    44701   32     7018   17491    123    943 0.11
0.48/0.58	c      251   1733     1548    84773   54    10633   19241    292   1494 0.17
0.48/0.58	c      476   1733     1796   126288   70    14000   21166    540   2016 0.24
0.48/0.58	c      814   1733     2236   243778  109    21574   23283    980   1538 0.53
0.48/0.58	c Backtracks by Clause: 791
0.48/0.58	c Backtracks by PB constraint: 91
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0.48/0.58	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.48/0.58	c    4      882    464    23004     2311   253686   1055   1525 0.58
0.48/0.58	s SATISFIABLE
0.48/0.58	c Total time: 0.578 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-3707386-1338141536/watcher-3707386-1338141536 -o /tmp/evaluation-result-3707386-1338141536/solver-3707386-1338141536 -C 1800 -W 1900 -M 15500 bsolo -l2 -t1800 HOME/instance-3707386-1338141536.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: 2.00 2.00 1.93 2/176 12329
/proc/meminfo: memFree=28262416/32873844 swapFree=7620/7620
[pid=12329] ppid=12327 vsize=11008 CPUtime=0 cores=0,2,4,6
/proc/12329/stat : 12329 (bsolo) R 12327 12329 10269 0 -1 4202496 308 0 0 0 0 0 0 0 20 0 1 0 280282194 11272192 261 33554432000 134512640 137138936 4287062816 4287060824 136506715 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/12329/statm: 2752 261 181 642 0 2055 0

[startup+0.044123 s]
/proc/loadavg: 2.00 2.00 1.93 2/176 12329
/proc/meminfo: memFree=28262416/32873844 swapFree=7620/7620
[pid=12329] ppid=12327 vsize=11728 CPUtime=0.03 cores=0,2,4,6
/proc/12329/stat : 12329 (bsolo) R 12327 12329 10269 0 -1 4202496 600 0 0 0 3 0 0 0 20 0 1 0 280282194 12009472 500 33554432000 134512640 137138936 4287062816 4287040476 136570369 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/12329/statm: 2932 500 185 642 0 2288 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 11728

[startup+0.100215 s]
/proc/loadavg: 2.00 2.00 1.93 2/176 12329
/proc/meminfo: memFree=28262416/32873844 swapFree=7620/7620
[pid=12329] ppid=12327 vsize=11844 CPUtime=0.09 cores=0,2,4,6
/proc/12329/stat : 12329 (bsolo) R 12327 12329 10269 0 -1 4202496 613 0 0 0 9 0 0 0 20 0 1 0 280282194 12128256 513 33554432000 134512640 137138936 4287062816 4287061744 134542187 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/12329/statm: 2961 513 192 642 0 2317 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11844

[startup+0.300182 s]
/proc/loadavg: 2.00 2.00 1.93 2/176 12329
/proc/meminfo: memFree=28262416/32873844 swapFree=7620/7620
[pid=12329] ppid=12327 vsize=13560 CPUtime=0.28 cores=0,2,4,6
/proc/12329/stat : 12329 (bsolo) R 12327 12329 10269 0 -1 4202496 1043 0 0 0 28 0 0 0 20 0 1 0 280282194 13885440 943 33554432000 134512640 137138936 4287062816 4287061356 136520952 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/12329/statm: 3390 943 192 642 0 2746 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 13560

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

[startup+0.50018 s]
/proc/loadavg: 2.00 2.00 1.93 2/176 12329
/proc/meminfo: memFree=28262416/32873844 swapFree=7620/7620
[pid=12329] ppid=12327 vsize=14484 CPUtime=0.48 cores=0,2,4,6
/proc/12329/stat : 12329 (bsolo) R 12327 12329 10269 0 -1 4202496 1293 0 0 0 48 0 0 0 20 0 1 0 280282194 14831616 1193 33554432000 134512640 137138936 4287062816 4287061312 134618214 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/12329/statm: 3621 1193 192 642 0 2977 0
Current children cumulated CPU time (s) 0.48
Current children cumulated vsize (KiB) 14484

Child status: 0
Real time (s): 0.581144
CPU time (s): 0.579911
CPU user time (s): 0.566913
CPU system time (s): 0.012998
CPU usage (%): 99.7878
Max. virtual memory (cumulated for all children) (KiB): 14484

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.566913
system time used= 0.012998
maximum resident set size= 5136
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1384
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= 3
involuntary context switches= 2

runsolver used 0.003999 second user time and 0.001999 second system time

The end

Launcher Data 

Begin job on node107 at 2012-05-27 19:58:57
IDJOB=3707386
IDBENCH=1392
IDSOLVER=2286
FILE ID=node107/3707386-1338141536
RUNJOBID= node107-1338138724-12012
PBS_JOBID= 14624494
Free space on /tmp= 71568 MiB

SOLVER NAME= bsolo 3.2
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3707386-1338141536/watcher-3707386-1338141536 -o /tmp/evaluation-result-3707386-1338141536/solver-3707386-1338141536 -C 1800 -W 1900 -M 15500  bsolo -l2 -t1800 HOME/instance-3707386-1338141536.opb

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

MD5SUM BENCH= d807de21f10c00acae1479f7b1348df5
RANDOM SEED=1761899523

node107.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		: 2666.760
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	: 5333.52
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		: 2666.760
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		: 2666.760
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		: 2666.760
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		: 2666.760
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		: 2666.760
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		: 2666.760
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	: 5331.86
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		: 2666.760
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:        28262688 kB
Buffers:          359688 kB
Cached:          3394892 kB
SwapCached:            0 kB
Active:           834868 kB
Inactive:        2943416 kB
Active(anon):      26196 kB
Inactive(anon):        0 kB
Active(file):     808672 kB
Inactive(file):  2943416 kB
Unevictable:        7620 kB
Mlocked:            7620 kB
SwapTotal:      67108856 kB
SwapFree:       67108856 kB
Dirty:              4028 kB
Writeback:             0 kB
AnonPages:         31400 kB
Mapped:            15064 kB
Shmem:               200 kB
Slab:             691692 kB
SReclaimable:     133960 kB
SUnreclaim:       557732 kB
KernelStack:        1472 kB
PageTables:         4064 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     145600 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= 71564 MiB
End job on node107 at 2012-05-27 19:58:57