Trace number 2676178

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 2.28692

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_3.opb.PB06.opb
MD5SUMe3c4907f9ed288ddc262ad274eebff0f
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 benchmark1.56076
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 282
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 831
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 

1.00/1.54	c DEBUG: probabilities of action success (DCM model):
1.00/1.54	c        pb/competition_2010/bsolo_pb10-l1   : 0.2446 0.3106 0.3432 0.4493 0.5331 0.5649 0.6331
1.00/1.54	c        pb/competition_2010/bsolo_pb10-l2   : 0.2220 0.2840 0.3077 0.3819 0.4261 0.4617 0.5493
1.00/1.54	c        pb/competition_2010/bsolo_pb10-l3   : 0.2079 0.2803 0.3237 0.4112 0.4599 0.4979 0.5927
1.00/1.54	c        pb/competition_2010/wbo1.4a         : 0.3403 0.4826 0.5859 0.7308 0.8018 0.8464 0.9114
1.00/1.54	c        pb/competition_2010/wbo1.4b         : 0.2130 0.3046 0.4491 0.6693 0.7698 0.8150 0.8796
1.00/1.54	c        pb/other/clasp-1.3.3                : 0.4078 0.5945 0.6711 0.8373 0.8906 0.9054 0.9586
1.00/1.54	c        pb/other/sat4j-pb-v20090829         : 0.2634 0.4175 0.5149 0.6419 0.7125 0.7655 0.8315
1.00/1.54	c        pb/other/sat4j-pb-v20090829-cutting : 0.2190 0.3670 0.4173 0.5593 0.5959 0.6405 0.7110
1.00/1.57	c DETAIL: running [u'HOME/etc/solvers/other/clasp-1.3.3/clasp-1.3.3-x86-linux', u'--seed=268471657', u'HOME/instance-2676178-1278546224.opb'] for 0:00:10
1.77/2.22	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-2676178-1278546224/watcher-2676178-1278546224 -o /tmp/evaluation-result-2676178-1278546224/solver-2676178-1278546224 -C 1800 -W 2000 -M 1800 solver HOME/instance-2676178-1278546224.opb 1331331430 

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: 0.00 0.00 0.00 2/106 26532
/proc/meminfo: memFree=1714752/2059040 swapFree=4139756/4192956
[pid=26532] ppid=26530 vsize=16712 CPUtime=0
/proc/26532/stat : 26532 (python) R 26530 26532 26473 0 -1 4202496 757 0 0 0 0 0 0 0 20 0 1 0 22829973 17113088 523 1992294400 4194304 4196484 140736798640592 18446744073709551615 269658906368 0 0 16781312 2 0 0 0 17 0 0 0 0
/proc/26532/statm: 4178 524 281 1 0 274 0

[startup+0.0559991 s]
/proc/loadavg: 0.00 0.00 0.00 2/106 26532
/proc/meminfo: memFree=1714752/2059040 swapFree=4139756/4192956
[pid=26532] ppid=26530 vsize=18476 CPUtime=0.04
/proc/26532/stat : 26532 (python) S 26530 26532 26473 0 -1 4202496 1980 0 0 0 2 2 0 0 20 0 1 0 22829973 18919424 1020 1992294400 4194304 4196484 140734288693408 18446744073709551615 269658904576 0 2147483391 16781312 2 18446744071699391678 0 0 17 1 0 0 0
/proc/26532/statm: 4619 1020 422 1 0 599 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 18476

[startup+0.103999 s]
/proc/loadavg: 0.00 0.00 0.00 2/106 26532
/proc/meminfo: memFree=1714752/2059040 swapFree=4139756/4192956
[pid=26532] ppid=26530 vsize=36072 CPUtime=0.09
/proc/26532/stat : 26532 (python) S 26530 26532 26473 0 -1 4202496 2315 0 0 0 6 3 0 0 20 0 1 0 22829973 36937728 1327 1992294400 4194304 4196484 140734288693408 18446744073709551615 269658904576 0 2147483391 16781312 2 18446744071699391678 0 0 17 1 0 0 0
/proc/26532/statm: 9018 1327 466 1 0 856 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 36072

[startup+0.301762 s]
/proc/loadavg: 0.00 0.00 0.00 2/106 26532
/proc/meminfo: memFree=1714752/2059040 swapFree=4139756/4192956
[pid=26532] ppid=26530 vsize=70576 CPUtime=0.22
/proc/26532/stat : 26532 (python) R 26530 26532 26473 0 -1 4202496 3877 0 0 0 15 7 0 0 19 0 1 0 22829973 72269824 2757 1992294400 4194304 4196484 140734288693408 18446744073709551615 269658904576 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/26532/statm: 17644 2759 674 1 0 2131 0
Current children cumulated CPU time (s) 0.22
Current children cumulated vsize (KiB) 70576

[startup+0.701806 s]
/proc/loadavg: 0.00 0.00 0.00 2/106 26532
/proc/meminfo: memFree=1714752/2059040 swapFree=4139756/4192956
[pid=26532] ppid=26530 vsize=98796 CPUtime=0.44
/proc/26532/stat : 26532 (python) R 26530 26532 26473 0 -1 4202496 4769 0 0 0 27 17 0 0 17 0 1 0 22829973 101167104 3566 1992294400 4194304 4196484 140734288693408 18446744073709551615 269670730120 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/26532/statm: 24699 3566 1021 1 0 2556 0
Current children cumulated CPU time (s) 0.44
Current children cumulated vsize (KiB) 98796

[startup+1.50189 s]
/proc/loadavg: 0.00 0.00 0.00 1/107 26537
/proc/meminfo: memFree=1700360/2059040 swapFree=4139756/4192956
[pid=26532] ppid=26530 vsize=119436 CPUtime=1
/proc/26532/stat : 26532 (python) R 26530 26532 26473 0 -1 4202496 8815 930 0 0 72 28 0 0 17 0 1 0 22829973 122302464 6206 1992294400 4194304 4196484 140734288693408 18446744073709551615 47914090807084 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/26532/statm: 29859 6207 1061 1 0 5113 0
Current children cumulated CPU time (s) 1
Current children cumulated vsize (KiB) 119436

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

[startup+1.90195 s]
/proc/loadavg: 0.00 0.00 0.00 1/107 26537
/proc/meminfo: memFree=1700360/2059040 swapFree=4139756/4192956
[pid=26532] ppid=26530 vsize=132036 CPUtime=1.1
/proc/26532/stat : 26532 (python) S 26530 26532 26473 0 -1 4202496 9975 930 0 0 80 30 0 0 18 0 1 0 22829973 135204864 6259 1992294400 4194304 4196484 140734288693408 18446744073709551615 269658926607 0 0 16781312 2 6193605662765711616 0 0 17 1 0 0 0
/proc/26532/statm: 33009 6259 1132 1 0 5161 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 132036

[startup+2.10197 s]
/proc/loadavg: 0.00 0.00 0.00 2/108 26538
/proc/meminfo: memFree=1693408/2059040 swapFree=4139756/4192956
[pid=26532] ppid=26530 vsize=132036 CPUtime=1.24
/proc/26532/stat : 26532 (python) R 26530 26532 26473 0 -1 4202496 9988 930 0 0 92 32 0 0 16 0 1 0 22829973 135204864 6264 1992294400 4194304 4196484 140734288693408 18446744073709551615 269658949767 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/26532/statm: 33009 6264 1132 1 0 5161 0
[pid=26538] ppid=26532 vsize=0 CPUtime=0.42
/proc/26538/stat : 26538 (clasp-1.3.3-x86) Z 26532 26538 26538 0 -1 4202524 3352 0 0 0 39 3 0 0 19 0 1 0 22830130 0 0 1992294400 0 0 0 0 0 0 0 16781312 16386 18446744073709551615 0 0 17 0 0 0 0
/proc/26538/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 1.66
Current children cumulated vsize (KiB) 132036

[startup+2.20898 s]
/proc/loadavg: 0.00 0.00 0.00 2/108 26538
/proc/meminfo: memFree=1693408/2059040 swapFree=4139756/4192956
[pid=26532] ppid=26530 vsize=135124 CPUtime=1.77
/proc/26532/stat : 26532 (python) S 26530 26532 26473 0 -1 4202496 10266 4741 0 0 100 33 40 4 15 0 1 0 22829973 138366976 6270 1992294400 4194304 4196484 140734288693408 18446744073709551615 269670733200 0 0 16781312 2 18446744071562362840 0 0 17 0 0 0 0
/proc/26532/statm: 33781 6270 1134 1 0 5418 0
Current children cumulated CPU time (s) 1.77
Current children cumulated vsize (KiB) 135124

Child status: 10
Real time (s): 2.28692
CPU time (s): 1.86871
CPU user time (s): 1.47078
CPU system time (s): 0.397939
CPU usage (%): 81.7133
Max. virtual memory (cumulated for all children) (KiB): 135124

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.47078
system time used= 0.397939
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 20167
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= 1848
involuntary context switches= 48

runsolver used 0.006998 second user time and 0.018997 second system time

The end

Launcher Data 

Begin job on node042 at 2010-07-08 01:43:45
IDJOB=2676178
IDBENCH=1378
IDSOLVER=1178
FILE ID=node042/2676178-1278546224
PBS_JOBID= 11239498
Free space on /tmp= 62452 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_3.opb.PB06.opb
COMMAND LINE= solver BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2676178-1278546224/watcher-2676178-1278546224 -o /tmp/evaluation-result-2676178-1278546224/solver-2676178-1278546224 -C 1800 -W 2000 -M 1800  solver HOME/instance-2676178-1278546224.opb 1331331430 

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

MD5SUM BENCH= e3c4907f9ed288ddc262ad274eebff0f
RANDOM SEED=1331331430

node042.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		: 3000.213
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	: 6000.42
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		: 3000.213
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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1715032 kB
Buffers:         56028 kB
Cached:         198412 kB
SwapCached:       7096 kB
Active:         145588 kB
Inactive:       122792 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1715032 kB
SwapTotal:     4192956 kB
SwapFree:      4139756 kB
Dirty:           32536 kB
Writeback:           0 kB
AnonPages:       11452 kB
Mapped:          11932 kB
Slab:            53252 kB
PageTables:       4192 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182304 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62428 MiB
End job on node042 at 2010-07-08 01:43:48