Trace number 2655594

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 1.55476 1.55557

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_1.opb.PB06.opb
MD5SUM285f81376739daaaae61d54cc606f233
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 benchmark1.55476
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 268
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 789
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

0.00/0.01	c wbo 1.4 beta - 20100517
0.00/0.01	c Parsing opb file format. File HOME/instance-2655594-1276319038.opb.
0.00/0.01	c Instance file HOME/instance-2655594-1276319038.opb
0.00/0.01	c File size is 11433353 bytes.
1.49/1.52	c Highest Coefficient sum: 789
1.49/1.52	c ============================[ Problem Statistics ]=============================
1.49/1.52	c |                                                                             |
1.49/1.52	c |  Parsing time:          1.50         s                                      |
1.49/1.52	c |  Number Variables:      1600                                                |
1.49/1.52	c |  Number Clauses:        327130                                              |
1.49/1.52	c |  Number Cardinality:    62                                                  |
1.49/1.52	c |  Number PB Constraints: 1770                                                |
1.49/1.52	c ============================[ Search Statistics ]==============================
1.49/1.52	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
1.49/1.52	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
1.49/1.52	c ===============================================================================
1.49/1.52	c |         0 |    1600   328962  1068140 |   109654        0    nan |  0.000 % |
1.49/1.53	c ===============================================================================
1.49/1.55	c #cores: 0
1.49/1.55	c Final Weight: 0
1.49/1.55	s SATISFIABLE
1.49/1.55	v -x2 -x901 -x3 -x902 -x4 -x903 -x5 -x904 -x6 -x905 -x8 -x906 -x9 -x907 -x10 -x908 -x11 -x909 -x12 -x910 -x13 -x911 -x15 -x912 -x16 -x913 -x17 -x914 -x18 -x915 -x19 -x916 -x20 -x917 -x21 -x918 -x22 -x919 -x24 -x920 -x25 -x921 -x26 -x922 -x27 -x923 -x28 -x924 -x29 -x925 x30 -x926 -x1 x927 -x928 -x929 -x7 -x930 -x931 -x932 -x933 -x934 -x935 -x936 -x14 -x937 -x938 -x939 -x940 -x941 -x942 -x943 -x944 -x945 -x23 -x946 -x947 -x948 -x949 -x950 -x951 -x952 -x953 -x954 -x955 -x956 -x957 -x958 -x959 -x960 -x961 -x962 -x963 -x964 -x965 -x966 -x967 -x968 -x969 -x970 -x971 -x972 -x973 -x974 -x975 -x976 x977 -x978 -x979 -x980 -x981 -x982 -x983 -x984 -x985 -x986 -x987 -x988 -x989 -x990 -x991 -x992 -x993 -x994 -x995 -x996 -x997 -x998 x999 x1000 -x1001 -x1002 -x1003 -x1004 -x1005 -x1006 -x1007 -x1008 -x1009 -x1010 -x1011 -x1012 -x1013 -x1014 -x1015 -x1016 -x1017 -x1018 -x1019 -x1020 -x1021 -x1022 -x1023 -x1024 -x1025 -x1026 -x1027 -x1028 -x1029 -x1030 -x1031 -x1032 -x1033 -x1034 -x1035 -x1036 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1.49/1.55	c Total CPU time: 1.52077 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-2655594-1276319038/watcher-2655594-1276319038 -o /tmp/evaluation-result-2655594-1276319038/solver-2655594-1276319038 -C 1800 -W 2000 -M 1800 wbo1.4a -file-format=opb -time-limit=1800 HOME/instance-2655594-1276319038.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: 0.93 0.98 1.05 3/106 10342
/proc/meminfo: memFree=1402868/2059040 swapFree=4192956/4192956
[pid=10342] ppid=10340 vsize=13876 CPUtime=0
/proc/10342/stat : 10342 (wbo1.4a) R 10340 10342 10317 0 -1 4202496 308 0 0 0 0 0 0 0 18 0 1 0 7505687 14209024 227 1992294400 134512640 135751879 4286762064 18446744073709551615 135225248 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/10342/statm: 3469 228 142 303 0 372 0

[startup+0.099662 s]
/proc/loadavg: 0.93 0.98 1.05 3/106 10342
/proc/meminfo: memFree=1402868/2059040 swapFree=4192956/4192956
[pid=10342] ppid=10340 vsize=15016 CPUtime=0.09
/proc/10342/stat : 10342 (wbo1.4a) R 10340 10342 10317 0 -1 4202496 771 0 0 0 9 0 0 0 20 0 1 0 7505687 15376384 690 1992294400 134512640 135751879 4286762064 18446744073709551615 134564665 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/10342/statm: 3754 691 309 303 0 657 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 15016

[startup+0.100662 s]
/proc/loadavg: 0.93 0.98 1.05 3/106 10342
/proc/meminfo: memFree=1402868/2059040 swapFree=4192956/4192956
[pid=10342] ppid=10340 vsize=15016 CPUtime=0.09
/proc/10342/stat : 10342 (wbo1.4a) R 10340 10342 10317 0 -1 4202496 777 0 0 0 9 0 0 0 20 0 1 0 7505687 15376384 696 1992294400 134512640 135751879 4286762064 18446744073709551615 134564342 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/10342/statm: 3754 696 311 303 0 657 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 15016

[startup+0.300695 s]
/proc/loadavg: 0.93 0.98 1.05 3/106 10342
/proc/meminfo: memFree=1402868/2059040 swapFree=4192956/4192956
[pid=10342] ppid=10340 vsize=17624 CPUtime=0.29
/proc/10342/stat : 10342 (wbo1.4a) R 10340 10342 10317 0 -1 4202496 1793 0 0 0 29 0 0 0 20 0 1 0 7505687 18046976 1712 1992294400 134512640 135751879 4286762064 18446744073709551615 135379263 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/10342/statm: 4406 1712 685 303 0 1309 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 17624

[startup+0.700764 s]
/proc/loadavg: 0.93 0.98 1.05 3/106 10342
/proc/meminfo: memFree=1402868/2059040 swapFree=4192956/4192956
[pid=10342] ppid=10340 vsize=22696 CPUtime=0.69
/proc/10342/stat : 10342 (wbo1.4a) R 10340 10342 10317 0 -1 4202496 3782 0 0 0 68 1 0 0 21 0 1 0 7505687 23240704 3701 1992294400 134512640 135751879 4286762064 18446744073709551615 134564449 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/10342/statm: 5674 3701 1429 303 0 2577 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 22696

[startup+1.5009 s]
/proc/loadavg: 0.93 0.98 1.05 2/107 10343
/proc/meminfo: memFree=1389840/2059040 swapFree=4192956/4192956
[pid=10342] ppid=10340 vsize=32940 CPUtime=1.49
/proc/10342/stat : 10342 (wbo1.4a) R 10340 10342 10317 0 -1 4202496 7692 0 0 0 147 2 0 0 23 0 1 0 7505687 33730560 7611 1992294400 134512640 135751879 4286762064 18446744073709551615 134564342 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/10342/statm: 8235 7611 2886 303 0 5138 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 32940

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

Child status: 0
Real time (s): 1.55557
CPU time (s): 1.55476
CPU user time (s): 1.52077
CPU system time (s): 0.033994
CPU usage (%): 99.9477
Max. virtual memory (cumulated for all children) (KiB): 32940

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.52077
system time used= 0.033994
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= 7

runsolver used 0.003999 second user time and 0.016997 second system time

The end

Launcher Data

Begin job on node014 at 2010-06-12 07:04:03
IDJOB=2655594
IDBENCH=1374
IDSOLVER=1160
FILE ID=node014/2655594-1276319038
PBS_JOBID= 11173153
Free space on /tmp= 62452 MiB

SOLVER NAME= wbo 1.4a
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_1.opb.PB06.opb
COMMAND LINE= wbo1.4a -file-format=opb -time-limit=TIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2655594-1276319038/watcher-2655594-1276319038 -o /tmp/evaluation-result-2655594-1276319038/solver-2655594-1276319038 -C 1800 -W 2000 -M 1800  wbo1.4a -file-format=opb -time-limit=1800 HOME/instance-2655594-1276319038.opb

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

MD5SUM BENCH= 285f81376739daaaae61d54cc606f233
RANDOM SEED=682934441

node014.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		: 3000.258
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	: 6000.51
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		: 3000.258
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:       1403396 kB
Buffers:         98412 kB
Cached:         413524 kB
SwapCached:          0 kB
Active:         195920 kB
Inactive:       375596 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1403396 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:           14152 kB
Writeback:           0 kB
AnonPages:       59676 kB
Mapped:          15364 kB
Slab:            62472 kB
PageTables:       4000 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182368 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= 62452 MiB
End job on node014 at 2010-06-12 07:04:05