Trace number 3463443

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 0.599908 0.60112

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-LIN (no optimisation, small integers, linear constraints)
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 benchmark0.297954
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-3463443-1307175312.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: 0.014 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)
0.00/0.06	c Pre-processing Time: 0.063 s
0.00/0.06	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.06	c        0   1733     1256    23117   18     4109   15900      0      0 0.06
0.00/0.06	c Switching off lower bounding mode.
0.49/0.60	c      100   1733     1379    44701   32     7018   17491    123    943 0.11
0.49/0.60	c      251   1733     1548    84773   54    10633   19241    292   1476 0.17
0.49/0.60	c      476   1733     1796   126288   70    14000   21166    540   1975 0.24
0.49/0.60	c      814   1733     2236   243778  109    21574   23283    980   1490 0.55
0.49/0.60	c Backtracks by Clause: 791
0.49/0.60	c Backtracks by PB constraint: 91
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0.49/0.60	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.49/0.60	c    4      882    464    23004     2311   253686   1055   1474 0.60
0.49/0.60	s SATISFIABLE
0.49/0.60	c Total time: 0.598 s

Verifier Data 

OK	0

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 977)

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-3463443-1307175312/watcher-3463443-1307175312 -o /tmp/evaluation-result-3463443-1307175312/solver-3463443-1307175312 -C 1800 -W 1900 -M 15500 bsolo -l2 -t1800 HOME/instance-3463443-1307175312.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: 2.02 1.88 1.73 3/273 12895
/proc/meminfo: memFree=28437352/32951124 swapFree=55664332/67111528
[pid=12895] ppid=12893 vsize=11004 CPUtime=0 cores=0,2,4,6
/proc/12895/stat : 12895 (bsolo) R 12893 12895 10640 0 -1 4202496 307 0 0 0 0 0 0 0 25 0 1 0 829131933 11268096 261 33554432000 134512640 137138936 4286890016 18446744073709551615 136506715 0 0 4096 16384 0 0 0 17 0 0 0 0
/proc/12895/statm: 2751 261 181 642 0 2054 0

[startup+0.0839309 s]
/proc/loadavg: 2.02 1.88 1.73 3/273 12895
/proc/meminfo: memFree=28437352/32951124 swapFree=55664332/67111528
[pid=12895] ppid=12893 vsize=11724 CPUtime=0.08 cores=0,2,4,6
/proc/12895/stat : 12895 (bsolo) R 12893 12895 10640 0 -1 4202496 608 0 0 0 8 0 0 0 25 0 1 0 829131933 12005376 509 33554432000 134512640 137138936 4286890016 18446744073709551615 134575833 0 0 4096 16384 0 0 0 17 0 0 0 0
/proc/12895/statm: 2931 509 192 642 0 2287 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 11724

[startup+0.100941 s]
/proc/loadavg: 2.02 1.88 1.73 3/273 12895
/proc/meminfo: memFree=28437352/32951124 swapFree=55664332/67111528
[pid=12895] ppid=12893 vsize=11840 CPUtime=0.09 cores=0,2,4,6
/proc/12895/stat : 12895 (bsolo) R 12893 12895 10640 0 -1 4202496 612 0 0 0 9 0 0 0 25 0 1 0 829131933 12124160 513 33554432000 134512640 137138936 4286890016 18446744073709551615 136570369 0 0 4096 16384 0 0 0 17 0 0 0 0
/proc/12895/statm: 2960 513 192 642 0 2316 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11840

[startup+0.300896 s]
/proc/loadavg: 2.02 1.88 1.73 3/273 12895
/proc/meminfo: memFree=28437352/32951124 swapFree=55664332/67111528
[pid=12895] ppid=12893 vsize=13428 CPUtime=0.29 cores=0,2,4,6
/proc/12895/stat : 12895 (bsolo) R 12893 12895 10640 0 -1 4202496 1026 0 0 0 29 0 0 0 25 0 1 0 829131933 13750272 927 33554432000 134512640 137138936 4286890016 18446744073709551615 136570369 0 0 4096 16384 0 0 0 17 0 0 0 0
/proc/12895/statm: 3357 927 192 642 0 2713 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 13428

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

[startup+0.50086 s]
/proc/loadavg: 2.02 1.88 1.73 3/273 12895
/proc/meminfo: memFree=28437352/32951124 swapFree=55664332/67111528
[pid=12895] ppid=12893 vsize=14480 CPUtime=0.49 cores=0,2,4,6
/proc/12895/stat : 12895 (bsolo) R 12893 12895 10640 0 -1 4202496 1274 0 0 0 49 0 0 0 25 0 1 0 829131933 14827520 1175 33554432000 134512640 137138936 4286890016 18446744073709551615 134577134 0 0 4096 16384 0 0 0 17 0 0 0 0
/proc/12895/statm: 3620 1175 192 642 0 2976 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 14480

[startup+0.600827 s]
/proc/loadavg: 2.02 1.88 1.73 3/273 12895
/proc/meminfo: memFree=28437352/32951124 swapFree=55664332/67111528
[pid=12895] ppid=12893 vsize=14920 CPUtime=0.59 cores=0,2,4,6
/proc/12895/stat : 12895 (bsolo) R 12893 12895 10640 0 -1 4202496 1383 0 0 0 58 1 0 0 25 0 1 0 829131933 15278080 1284 33554432000 134512640 137138936 4286890016 18446744073709551615 136382014 0 0 4096 16384 0 0 0 17 0 0 0 0
/proc/12895/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 14920

Child status: 0
Real time (s): 0.60112
CPU time (s): 0.599908
CPU user time (s): 0.58691
CPU system time (s): 0.012998
CPU usage (%): 99.7984
Max. virtual memory (cumulated for all children) (KiB): 14920

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.58691
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1383
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= 2
involuntary context switches= 2

runsolver used 0.004999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node109 at 2011-06-04 10:15:12
IDJOB=3463443
IDBENCH=1392
IDSOLVER=1955
FILE ID=node109/3463443-1307175312
RUNJOBID= node109-1307174724-12724
PBS_JOBID= 13508846
Free space on /tmp= 74008 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-3463443-1307175312/watcher-3463443-1307175312 -o /tmp/evaluation-result-3463443-1307175312/solver-3463443-1307175312 -C 1800 -W 1900 -M 15500  bsolo -l2 -t1800 HOME/instance-3463443-1307175312.opb

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

MD5SUM BENCH= d807de21f10c00acae1479f7b1348df5
RANDOM SEED=1423723456

node109.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 2666.809
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.61
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.809
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      28437508 kB
Buffers:        319328 kB
Cached:        2198572 kB
SwapCached:      10392 kB
Active:         870364 kB
Inactive:      3386924 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      28437508 kB
SwapTotal:    67111528 kB
SwapFree:     55664332 kB
Dirty:            4296 kB
Writeback:         128 kB
AnonPages:     1735072 kB
Mapped:          16940 kB
Slab:           156784 kB
PageTables:      37340 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 30901620 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 74004 MiB
End job on node109 at 2011-06-04 10:15:13