Trace number 37327

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, and are wall clock time (not CPU 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
Pueblo 1.3SAT 39.8789 39.918

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_2.opb.PB06.opb
MD5SUM2882e17c9be8b3b8a5ac8492f26b9dcd
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
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 benchmark1.9617
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 280
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 825
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 (download as text)

0.00	c Pueblo version 1.4 (September 2005)
0.00	c Developed @ University of Michigan, Ann Arbor, MI
0.00	c  by Hossein Sheini
5.30	c starting to Solve
5.30	c #variables read: 1600 - #constraints read: 328962
39.87	c total time              : 39.85 s
39.87	s SATISFIABLE
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Verifier Data (download as text)

OK	0

Watcher Data (download as text)

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1830 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGKILL): 1843200 Kb
Enforcing VSIZE limit: 1887436800 bytes
runsolver version 3.0.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node47/watcher-37327-1149226517 -o ROOT/results/node47/solver-37327-1149226517 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user8/Pueblo13 ROOT/tmp/node47/37327-1149226517/instance-37327-1149226517.opb 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.97 0.97 0.91 3/64 8674
/proc/meminfo: memFree=1082016/2055920 swapFree=4183752/4192956
[pid=8674] ppid=8672 vsize=2328 CPUtime=0
/proc/8674/stat : 8674 (Pueblo13) R 8672 8674 8629 0 -1 4194304 147 0 0 0 0 0 0 0 18 0 1 0 154580330 2383872 128 18446744073709551615 134512640 134579064 4294956672 18446744073709551615 10488696 0 0 4096 0 0 0 0 17 1 0 0
/proc/8674/statm: 582 129 110 16 0 11 0

[startup+10.0026 s]
/proc/loadavg: 0.98 0.97 0.91 2/64 8674
/proc/meminfo: memFree=1027296/2055920 swapFree=4183752/4192956
[pid=8674] ppid=8672 vsize=58188 CPUtime=9.99
/proc/8674/stat : 8674 (Pueblo13) R 8672 8674 8629 0 -1 4194304 14013 0 0 0 992 7 0 0 25 0 1 0 154580330 59584512 13952 18446744073709551615 134512640 134579064 4294956672 18446744073709551615 134520048 0 0 4096 0 0 0 0 17 1 0 0
/proc/8674/statm: 14547 13952 206 16 0 13988 0
Current children cumulated CPU time (s) 9.99
Current children cumulated vsize (Kb) 58188

[startup+20.0086 s]
/proc/loadavg: 0.98 0.97 0.91 2/64 8674
/proc/meminfo: memFree=1003552/2055920 swapFree=4183752/4192956
[pid=8674] ppid=8672 vsize=81992 CPUtime=19.99
/proc/8674/stat : 8674 (Pueblo13) R 8672 8674 8629 0 -1 4194304 19974 0 0 0 1989 10 0 0 25 0 1 0 154580330 83959808 19913 18446744073709551615 134512640 134579064 4294956672 18446744073709551615 134559501 0 0 4096 0 0 0 0 17 1 0 0
/proc/8674/statm: 20498 19913 206 16 0 19939 0
Current children cumulated CPU time (s) 19.99
Current children cumulated vsize (Kb) 81992

[startup+30.0147 s]
/proc/loadavg: 0.98 0.97 0.91 2/64 8674
/proc/meminfo: memFree=980192/2055920 swapFree=4183752/4192956
[pid=8674] ppid=8672 vsize=105556 CPUtime=29.99
/proc/8674/stat : 8674 (Pueblo13) R 8672 8674 8629 0 -1 4194304 25838 0 0 0 2985 14 0 0 25 0 1 0 154580330 108089344 25777 18446744073709551615 134512640 134579064 4294956672 18446744073709551615 10954363 0 0 4096 0 0 0 0 17 1 0 0
/proc/8674/statm: 26389 25777 206 16 0 25830 0
Current children cumulated CPU time (s) 29.99
Current children cumulated vsize (Kb) 105556

Child status: 10
Real time (s): 39.918
CPU time (s): 39.8789
CPU user time (s): 39.681
CPU system time (s): 0.197969
CPU usage (%): 99.9022
Max. virtual memory (cumulated for all children) (Kb): 105556

Launcher Data (download as text)

Begin job on node47 on Fri Jun  2 05:35:17 UTC 2006


FILE ID= 37327-1149226517

PBS_JOBID= 295903

BENCH NAME= ROOT/tmp/node47/37327-1149226517/instance-37327-1149226517.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user8/Pueblo13 ROOT/tmp/node47/37327-1149226517/instance-37327-1149226517.opb
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node47/watcher-37327-1149226517 -o ROOT/results/node47/solver-37327-1149226517 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user8/Pueblo13 ROOT/tmp/node47/37327-1149226517/instance-37327-1149226517.opb

MD5SUM SOLVER= b45add8200bccdf53727749bff226bd1
MD5SUM BENCH=  2882e17c9be8b3b8a5ac8492f26b9dcd

RANDOM SEED= 608911283


/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		: 3000.236
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
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		: 3000.236
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1082416 kB
Buffers:         38760 kB
Cached:         860620 kB
SwapCached:       3524 kB
Active:         305992 kB
Inactive:       602400 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1082416 kB
SwapTotal:     4192956 kB
SwapFree:      4183752 kB
Dirty:             172 kB
Writeback:           0 kB
Mapped:          15028 kB
Slab:            51136 kB
Committed_AS:   191176 kB
PageTables:       1468 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node47 on Fri Jun  2 05:35:58 UTC 2006