Trace number 2676176

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
borg-pb 10.05.30SAT 1.86871 2.26368

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_8.opb.PB06.opb
MD5SUMa6ae80bf3bd14a966c0a388701471ae7
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 benchmark1.55776
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1600
Total number of constraints328901
Number of constraints which are clauses327070
Number of constraints which are cardinality constraints (but not clauses)61
Number of constraints which are nor clauses,nor cardinality constraints1770
Minimum length of a constraint2
Maximum length of a constraint700
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 258
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 759
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.90/1.49	c DEBUG: probabilities of action success (DCM model):
0.90/1.49	c        pb/competition_2010/bsolo_pb10-l1   : 0.2446 0.3106 0.3432 0.4493 0.5331 0.5649 0.6331
0.90/1.49	c        pb/competition_2010/bsolo_pb10-l2   : 0.2220 0.2840 0.3077 0.3819 0.4261 0.4617 0.5493
0.90/1.49	c        pb/competition_2010/bsolo_pb10-l3   : 0.2079 0.2803 0.3237 0.4112 0.4599 0.4979 0.5927
0.90/1.49	c        pb/competition_2010/wbo1.4a         : 0.3403 0.4826 0.5859 0.7308 0.8018 0.8464 0.9114
0.90/1.49	c        pb/competition_2010/wbo1.4b         : 0.2130 0.3046 0.4491 0.6693 0.7698 0.8150 0.8796
0.90/1.49	c        pb/other/clasp-1.3.3                : 0.4078 0.5945 0.6711 0.8373 0.8906 0.9054 0.9586
0.90/1.49	c        pb/other/sat4j-pb-v20090829         : 0.2634 0.4175 0.5149 0.6419 0.7125 0.7655 0.8315
0.90/1.49	c        pb/other/sat4j-pb-v20090829-cutting : 0.2190 0.3670 0.4173 0.5593 0.5959 0.6405 0.7110
1.01/1.51	c DETAIL: running [u'HOME/etc/solvers/other/clasp-1.3.3/clasp-1.3.3-x86-linux', u'--seed=2115508482', u'HOME/instance-2676176-1278546221.opb'] for 0:00:10
1.68/2.19	s SATISFIABLE
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Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2676176-1278546221/watcher-2676176-1278546221 -o /tmp/evaluation-result-2676176-1278546221/solver-2676176-1278546221 -C 1800 -W 2000 -M 1800 solver HOME/instance-2676176-1278546221.opb 1072086819 

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): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.06 0.02 0.00 3/105 26170
/proc/meminfo: memFree=1696732/2059040 swapFree=4153580/4192956
[pid=26170] ppid=26168 vsize=16708 CPUtime=0
/proc/26170/stat : 26170 (python) R 26168 26170 26077 0 -1 4202496 760 0 0 0 0 0 0 0 21 0 1 0 22830932 17108992 523 1992294400 4194304 4196484 140734716236128 18446744073709551615 249790074271 0 0 16781312 2 0 0 0 17 0 0 0 0
/proc/26170/statm: 4177 523 281 1 0 273 0

[startup+0.022227 s]
/proc/loadavg: 0.06 0.02 0.00 3/105 26170
/proc/meminfo: memFree=1696732/2059040 swapFree=4153580/4192956
[pid=26170] ppid=26168 vsize=17092 CPUtime=0.01
/proc/26170/stat : 26170 (python) S 26168 26170 26077 0 -1 4202496 1483 0 0 0 1 0 0 0 21 0 1 0 22830932 17502208 548 1992294400 4194304 4196484 140737464621056 18446744073709551615 249773709312 0 2147483391 16781312 2 18446744071699371198 0 0 17 1 0 0 0
/proc/26170/statm: 4273 548 321 1 0 253 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 17092

[startup+0.101234 s]
/proc/loadavg: 0.06 0.02 0.00 3/105 26170
/proc/meminfo: memFree=1696732/2059040 swapFree=4153580/4192956
[pid=26170] ppid=26168 vsize=31508 CPUtime=0.06
/proc/26170/stat : 26170 (python) S 26168 26170 26077 0 -1 4202496 2231 0 0 0 4 2 0 0 20 0 1 0 22830932 32264192 1244 1992294400 4194304 4196484 140737464621056 18446744073709551615 249773709312 0 2147483391 16781312 2 18446744071699371198 0 0 17 1 0 0 0
/proc/26170/statm: 7877 1244 458 1 0 749 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 31508

[startup+0.30126 s]
/proc/loadavg: 0.06 0.02 0.00 3/105 26170
/proc/meminfo: memFree=1696732/2059040 swapFree=4153580/4192956
[pid=26170] ppid=26168 vsize=70832 CPUtime=0.22
/proc/26170/stat : 26170 (python) R 26168 26170 26077 0 -1 4202496 3947 0 0 0 15 7 0 0 20 0 1 0 22830932 72531968 2820 1992294400 4194304 4196484 140737464621056 18446744073709551615 249773369586 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/26170/statm: 17708 2820 692 1 0 2195 0
Current children cumulated CPU time (s) 0.22
Current children cumulated vsize (KiB) 70832

[startup+0.700298 s]
/proc/loadavg: 0.06 0.02 0.00 3/105 26170
/proc/meminfo: memFree=1696732/2059040 swapFree=4153580/4192956
[pid=26170] ppid=26168 vsize=98796 CPUtime=0.39
/proc/26170/stat : 26170 (python) R 26168 26170 26077 0 -1 4202496 4772 0 0 0 23 16 0 0 18 0 1 0 22830932 101167104 3565 1992294400 4194304 4196484 140737464621056 18446744073709551615 249773707269 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/26170/statm: 24699 3565 1021 1 0 2556 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 98796

[startup+1.50039 s]
/proc/loadavg: 0.06 0.02 0.00 2/106 26175
/proc/meminfo: memFree=1681224/2059040 swapFree=4153580/4192956
[pid=26170] ppid=26168 vsize=129568 CPUtime=1.01
/proc/26170/stat : 26170 (python) R 26168 26170 26077 0 -1 4202496 9572 927 0 0 70 31 0 0 18 0 1 0 22830932 132677632 6185 1992294400 4194304 4196484 140737464621056 18446744073709551615 47976957471759 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/26170/statm: 32392 6185 1122 1 0 5062 0
Current children cumulated CPU time (s) 1.01
Current children cumulated vsize (KiB) 129568

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

[startup+1.90042 s]
/proc/loadavg: 0.06 0.02 0.00 2/106 26175
/proc/meminfo: memFree=1681224/2059040 swapFree=4153580/4192956
[pid=26170] ppid=26168 vsize=132036 CPUtime=1.06
/proc/26170/stat : 26170 (python) S 26168 26170 26077 0 -1 4202496 9984 927 0 0 75 31 0 0 18 0 1 0 22830932 135204864 6259 1992294400 4194304 4196484 140737464621056 18446744073709551615 249773731343 0 0 16781312 2 9072732247995416832 0 0 17 1 0 0 0
/proc/26170/statm: 33009 6259 1132 1 0 5161 0
Current children cumulated CPU time (s) 1.06
Current children cumulated vsize (KiB) 132036

[startup+2.10044 s]
/proc/loadavg: 0.06 0.02 0.00 2/107 26176
/proc/meminfo: memFree=1675140/2059040 swapFree=4153580/4192956
[pid=26170] ppid=26168 vsize=132036 CPUtime=1.24
/proc/26170/stat : 26170 (python) R 26168 26170 26077 0 -1 4202496 9999 927 0 0 91 33 0 0 16 0 1 0 22830932 135204864 6264 1992294400 4194304 4196484 140737464621056 18446744073709551615 249773367468 0 0 16781312 2 0 0 0 17 0 0 0 0
/proc/26170/statm: 33009 6264 1132 1 0 5161 0
[pid=26176] ppid=26170 vsize=0 CPUtime=0.44
/proc/26176/stat : 26176 (clasp-1.3.3-x86) Z 26170 26176 26176 0 -1 4202524 3386 0 0 0 42 2 0 0 20 0 1 0 22831084 0 0 1992294400 0 0 0 0 0 0 0 16781312 16386 18446744073709551615 0 0 17 0 0 0 0
/proc/26176/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 1.68
Current children cumulated vsize (KiB) 132036

[startup+2.20846 s]
/proc/loadavg: 0.06 0.02 0.00 2/107 26176
/proc/meminfo: memFree=1675140/2059040 swapFree=4153580/4192956
[pid=26170] ppid=26168 vsize=134092 CPUtime=1.79
/proc/26170/stat : 26170 (python) R 26168 26170 26077 0 -1 4202496 13755 5227 0 0 97 36 42 4 18 0 1 0 22830932 137310208 6294 1992294400 4194304 4196484 140737464621056 18446744073709551615 47976957671844 0 0 16781312 0 0 0 0 17 0 0 0 0
/proc/26170/statm: 33523 6294 1136 1 0 5160 0
Current children cumulated CPU time (s) 1.79
Current children cumulated vsize (KiB) 134092

Child status: 10
Real time (s): 2.26368
CPU time (s): 1.86871
CPU user time (s): 1.45778
CPU system time (s): 0.410937
CPU usage (%): 82.5522
Max. virtual memory (cumulated for all children) (KiB): 134092

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.45778
system time used= 0.410937
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 20210
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= 1823
involuntary context switches= 44

runsolver used 0.004999 second user time and 0.020996 second system time

The end

Launcher Data 

Begin job on node081 at 2010-07-08 01:43:42
IDJOB=2676176
IDBENCH=1376
IDSOLVER=1178
FILE ID=node081/2676176-1278546221
PBS_JOBID= 11239482
Free space on /tmp= 121792 MiB

SOLVER NAME= borg-pb 10.05.30
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_8.opb.PB06.opb
COMMAND LINE= solver BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2676176-1278546221/watcher-2676176-1278546221 -o /tmp/evaluation-result-2676176-1278546221/solver-2676176-1278546221 -C 1800 -W 2000 -M 1800  solver HOME/instance-2676176-1278546221.opb 1072086819 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= a6ae80bf3bd14a966c0a388701471ae7
RANDOM SEED=1072086819

node081.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	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.242
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.48
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.242
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5999.38
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1697012 kB
Buffers:         55612 kB
Cached:         207756 kB
SwapCached:       2212 kB
Active:         170340 kB
Inactive:       116008 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1697012 kB
SwapTotal:     4192956 kB
SwapFree:      4153580 kB
Dirty:           32832 kB
Writeback:           0 kB
AnonPages:       20784 kB
Mapped:          12796 kB
Slab:            53688 kB
PageTables:       4176 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182224 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264964 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 121772 MiB
End job on node081 at 2010-07-08 01:43:45