Trace number 2655596

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
wbo 1.4aSAT 1.55776 1.55814

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

0.00/0.00	c wbo 1.4 beta - 20100517
0.00/0.00	c Parsing opb file format. File HOME/instance-2655596-1276319680.opb.
0.00/0.00	c Instance file HOME/instance-2655596-1276319680.opb
0.00/0.00	c File size is 11432849 bytes.
1.49/1.52	c Highest Coefficient sum: 759
1.49/1.53	c ============================[ Problem Statistics ]=============================
1.49/1.53	c |                                                                             |
1.49/1.53	c |  Parsing time:          1.49         s                                      |
1.49/1.53	c |  Number Variables:      1600                                                |
1.49/1.53	c |  Number Clauses:        327130                                              |
1.49/1.53	c |  Number Cardinality:    62                                                  |
1.49/1.53	c |  Number PB Constraints: 1770                                                |
1.49/1.53	c ============================[ Search Statistics ]==============================
1.49/1.53	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
1.49/1.53	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
1.49/1.53	c ===============================================================================
1.49/1.53	c |         0 |    1600   328962  1068140 |   109654        0    nan |  0.000 % |
1.49/1.54	c ===============================================================================
1.49/1.55	c #cores: 0
1.49/1.55	c Final Weight: 0
1.49/1.55	s SATISFIABLE
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1.49/1.55	c Total CPU time: 1.51977 s

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-2655596-1276319680/watcher-2655596-1276319680 -o /tmp/evaluation-result-2655596-1276319680/solver-2655596-1276319680 -C 1800 -W 2000 -M 1800 wbo1.4a -file-format=opb -time-limit=1800 HOME/instance-2655596-1276319680.opb 

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: 1.04 0.94 0.96 3/107 7659
/proc/meminfo: memFree=1695888/2059040 swapFree=4192956/4192956
[pid=7659] ppid=7657 vsize=13872 CPUtime=0
/proc/7659/stat : 7659 (wbo1.4a) R 7657 7659 6858 0 -1 4202496 300 0 0 0 0 0 0 0 20 0 1 0 5625027 14204928 219 1992294400 134512640 135751879 4290118032 18446744073709551615 134564675 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/7659/statm: 3468 219 140 303 0 371 0

[startup+0.10463 s]
/proc/loadavg: 1.04 0.94 0.96 3/107 7659
/proc/meminfo: memFree=1695888/2059040 swapFree=4192956/4192956
[pid=7659] ppid=7657 vsize=15016 CPUtime=0.09
/proc/7659/stat : 7659 (wbo1.4a) R 7657 7659 6858 0 -1 4202496 791 0 0 0 9 0 0 0 20 0 1 0 5625027 15376384 710 1992294400 134512640 135751879 4290118032 18446744073709551615 134560550 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/7659/statm: 3754 710 318 303 0 657 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 15016

[startup+0.201637 s]
/proc/loadavg: 1.04 0.94 0.96 3/107 7659
/proc/meminfo: memFree=1695888/2059040 swapFree=4192956/4192956
[pid=7659] ppid=7657 vsize=16316 CPUtime=0.19
/proc/7659/stat : 7659 (wbo1.4a) R 7657 7659 6858 0 -1 4202496 1283 0 0 0 19 0 0 0 20 0 1 0 5625027 16707584 1202 1992294400 134512640 135751879 4290118032 18446744073709551615 134564258 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/7659/statm: 4079 1202 498 303 0 982 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 16316

[startup+0.300646 s]
/proc/loadavg: 1.04 0.94 0.96 3/107 7659
/proc/meminfo: memFree=1695888/2059040 swapFree=4192956/4192956
[pid=7659] ppid=7657 vsize=17624 CPUtime=0.29
/proc/7659/stat : 7659 (wbo1.4a) R 7657 7659 6858 0 -1 4202496 1785 0 0 0 29 0 0 0 20 0 1 0 5625027 18046976 1704 1992294400 134512640 135751879 4290118032 18446744073709551615 135118389 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/7659/statm: 4406 1704 683 303 0 1309 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 17624

[startup+0.700682 s]
/proc/loadavg: 1.04 0.94 0.96 3/107 7659
/proc/meminfo: memFree=1695888/2059040 swapFree=4192956/4192956
[pid=7659] ppid=7657 vsize=22696 CPUtime=0.69
/proc/7659/stat : 7659 (wbo1.4a) R 7657 7659 6858 0 -1 4202496 3769 0 0 0 68 1 0 0 21 0 1 0 5625027 23240704 3688 1992294400 134512640 135751879 4290118032 18446744073709551615 135211084 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/7659/statm: 5674 3689 1425 303 0 2577 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 22696

[startup+1.50075 s]
/proc/loadavg: 1.04 0.94 0.96 2/108 7660
/proc/meminfo: memFree=1681744/2059040 swapFree=4192956/4192956
[pid=7659] ppid=7657 vsize=32944 CPUtime=1.49
/proc/7659/stat : 7659 (wbo1.4a) R 7657 7659 6858 0 -1 4202496 7674 0 0 0 146 3 0 0 22 0 1 0 5625027 33734656 7593 1992294400 134512640 135751879 4290118032 18446744073709551615 135206651 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/7659/statm: 8236 7593 2881 303 0 5139 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 32944

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

[startup+1.50075 s]
/proc/loadavg: 1.04 0.94 0.96 2/108 7660
/proc/meminfo: memFree=1681744/2059040 swapFree=4192956/4192956
[pid=7659] ppid=7657 vsize=32944 CPUtime=1.49
/proc/7659/stat : 7659 (wbo1.4a) R 7657 7659 6858 0 -1 4202496 7674 0 0 0 146 3 0 0 22 0 1 0 5625027 33734656 7593 1992294400 134512640 135751879 4290118032 18446744073709551615 135206651 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/7659/statm: 8236 7593 2881 303 0 5139 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 32944

Child status: 0
Real time (s): 1.55814
CPU time (s): 1.55776
CPU user time (s): 1.51977
CPU system time (s): 0.037994
CPU usage (%): 99.9758
Max. virtual memory (cumulated for all children) (KiB): 32944

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.51977
system time used= 0.037994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8699
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= 5

runsolver used 0.003999 second user time and 0.014997 second system time

The end

Launcher Data

Begin job on node025 at 2010-06-12 07:14:53
IDJOB=2655596
IDBENCH=1376
IDSOLVER=1160
FILE ID=node025/2655596-1276319680
PBS_JOBID= 11173146
Free space on /tmp= 62528 MiB

SOLVER NAME= wbo 1.4a
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_8.opb.PB06.opb
COMMAND LINE= wbo1.4a -file-format=opb -time-limit=TIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2655596-1276319680/watcher-2655596-1276319680 -o /tmp/evaluation-result-2655596-1276319680/solver-2655596-1276319680 -C 1800 -W 2000 -M 1800  wbo1.4a -file-format=opb -time-limit=1800 HOME/instance-2655596-1276319680.opb

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

MD5SUM BENCH= a6ae80bf3bd14a966c0a388701471ae7
RANDOM SEED=1535053953

node025.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	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1696416 kB
Buffers:         72020 kB
Cached:         149828 kB
SwapCached:          0 kB
Active:         107296 kB
Inactive:       173892 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1696416 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:           14008 kB
Writeback:           0 kB
AnonPages:       59292 kB
Mapped:          15452 kB
Slab:            59504 kB
PageTables:       4068 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181464 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= 62528 MiB
End job on node025 at 2010-06-12 07:14:55