Trace number 3730188

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 0.526919 0.527343

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 3.1 - 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-3730188-1338685551.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: 0.015 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: 0.059 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.
0.49/0.52	c      100   1733     1379    44701   32     7018   17491    123   1123 0.09
0.49/0.52	c      250   1733     1546    83962   54    10601   19241    290   1838 0.14
0.49/0.52	c      475   1733     1801   129407   71    14545   21166    545   2435 0.20
0.49/0.52	c      814   1733     2189   280289  128    23779   23283    933   1884 0.43
0.49/0.52	c Backtracks by Clause: 861
0.49/0.52	c Backtracks by PB constraint: 134
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0.49/0.52	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.49/0.52	c    4      995    486    16001     2404   333184   1148   1895 0.53
0.49/0.52	s SATISFIABLE
0.49/0.52	c Total time: 0.525 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-3730188-1338685551/watcher-3730188-1338685551 -o /tmp/evaluation-result-3730188-1338685551/solver-3730188-1338685551 -C 1800 -W 1900 -M 15500 bsolo -l2 -t1800 -m15500 HOME/instance-3730188-1338685551.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: 2.01 2.02 1.98 3/175 15336
/proc/meminfo: memFree=26534412/32873624 swapFree=7112/7112
[pid=15336] ppid=15334 vsize=11136 CPUtime=0 cores=0,2,4,6
/proc/15336/stat : 15336 (bsolo) R 15334 15336 5438 0 -1 4202496 315 0 0 0 0 0 0 0 20 0 1 0 334680578 11403264 269 33554432000 134512640 137136520 4290500448 4290498976 134517592 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/15336/statm: 2784 269 187 641 0 2087 0

[startup+0.0642129 s]
/proc/loadavg: 2.01 2.02 1.98 3/175 15336
/proc/meminfo: memFree=26534412/32873624 swapFree=7112/7112
[pid=15336] ppid=15334 vsize=11724 CPUtime=0.06 cores=0,2,4,6
/proc/15336/stat : 15336 (bsolo) R 15334 15336 5438 0 -1 4202496 613 0 0 0 6 0 0 0 20 0 1 0 334680578 12005376 514 33554432000 134512640 137136520 4290500448 4290499040 134616694 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/15336/statm: 2931 514 197 641 0 2287 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 11724

[startup+0.100208 s]
/proc/loadavg: 2.01 2.02 1.98 3/175 15336
/proc/meminfo: memFree=26534412/32873624 swapFree=7112/7112
[pid=15336] ppid=15334 vsize=11972 CPUtime=0.09 cores=0,2,4,6
/proc/15336/stat : 15336 (bsolo) R 15334 15336 5438 0 -1 4202496 651 0 0 0 9 0 0 0 20 0 1 0 334680578 12259328 552 33554432000 134512640 137136520 4290500448 4290499040 134616694 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/15336/statm: 2993 554 197 641 0 2349 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11972

[startup+0.300179 s]
/proc/loadavg: 2.01 2.02 1.98 3/175 15336
/proc/meminfo: memFree=26534412/32873624 swapFree=7112/7112
[pid=15336] ppid=15334 vsize=14104 CPUtime=0.29 cores=0,2,4,6
/proc/15336/stat : 15336 (bsolo) R 15334 15336 5438 0 -1 4202496 1209 0 0 0 29 0 0 0 20 0 1 0 334680578 14442496 1110 33554432000 134512640 137136520 4290500448 4290499204 136295683 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/15336/statm: 3526 1110 197 641 0 2882 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 14104

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

[startup+0.500178 s]
/proc/loadavg: 2.01 2.02 1.98 3/175 15336
/proc/meminfo: memFree=26534412/32873624 swapFree=7112/7112
[pid=15336] ppid=15334 vsize=15804 CPUtime=0.49 cores=0,2,4,6
/proc/15336/stat : 15336 (bsolo) R 15334 15336 5438 0 -1 4202496 1617 0 0 0 49 0 0 0 20 0 1 0 334680578 16183296 1518 33554432000 134512640 137136520 4290500448 4290499376 134543927 0 0 4096 16384 0 0 0 17 0 0 0 0 0 0
/proc/15336/statm: 3951 1518 197 641 0 3307 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 15804

Child status: 0
Real time (s): 0.527343
CPU time (s): 0.526919
CPU user time (s): 0.518921
CPU system time (s): 0.007998
CPU usage (%): 99.9196
Max. virtual memory (cumulated for all children) (KiB): 15804

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.518921
system time used= 0.007998
maximum resident set size= 6324
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1681
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= 2

runsolver used 0.001999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node121 at 2012-06-03 03:05:51
IDJOB=3730188
IDBENCH=1392
IDSOLVER=2320
FILE ID=node121/3730188-1338685551
RUNJOBID= node121-1338679211-14282
PBS_JOBID= 14636692
Free space on /tmp= 71248 MiB

SOLVER NAME= PB09: bsolo 3.1
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 -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3730188-1338685551/watcher-3730188-1338685551 -o /tmp/evaluation-result-3730188-1338685551/solver-3730188-1338685551 -C 1800 -W 1900 -M 15500  bsolo -l2 -t1800 -m15500 HOME/instance-3730188-1338685551.opb

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

MD5SUM BENCH= d807de21f10c00acae1479f7b1348df5
RANDOM SEED=638576008

node121.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		: 2667.042
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	: 5334.08
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		: 2667.042
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		: 2667.042
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		: 2667.042
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		: 2667.042
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		: 2667.042
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		: 2667.042
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	: 5438.55
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		: 2667.042
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:       32873624 kB
MemFree:        26534560 kB
Buffers:          604932 kB
Cached:          4440656 kB
SwapCached:            0 kB
Active:          2180592 kB
Inactive:        3286392 kB
Active(anon):     409136 kB
Inactive(anon):    10772 kB
Active(file):    1771456 kB
Inactive(file):  3275620 kB
Unevictable:        7112 kB
Mlocked:            7112 kB
SwapTotal:      67108856 kB
SwapFree:       67108856 kB
Dirty:              3680 kB
Writeback:            12 kB
AnonPages:        424324 kB
Mapped:            14980 kB
Shmem:               200 kB
Slab:             735648 kB
SReclaimable:     179768 kB
SUnreclaim:       555880 kB
KernelStack:        1536 kB
PageTables:         4656 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545668 kB
Committed_AS:     528168 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346400 kB
VmallocChunk:   34341988052 kB
HardwareCorrupted:     0 kB
AnonHugePages:    401408 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7680 kB
DirectMap2M:    33538048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-3730188-1338685551.opb

Free space on /tmp at the end= 71244 MiB
End job on node121 at 2012-06-03 03:05:52