Trace number 36185

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 1.4SAT 68.4896 68.5139

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_9.opb.PB06.opb
MD5SUM513c9c3498927a8710f266699385db2b
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 benchmark3.23351
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 302
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 891
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
5.06	c starting to Solve
5.06	c #variables read: 1600 - #constraints read: 328962
68.49	c total time              : 68.47 s
68.49	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/node79/watcher-36185-1149519368 -o ROOT/results/node79/solver-36185-1149519368 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user8/Pueblo ROOT/tmp/node79/36185-1149519368/instance-36185-1149519368.opb 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.00 0.00 0.00 2/67 22020
/proc/meminfo: memFree=1834488/2055892 swapFree=4085392/4096564
[pid=22020] ppid=22018 vsize=916 CPUtime=0
/proc/22020/stat : 22020 (Pueblo) R 22018 22020 21974 0 -1 4194304 43 0 0 0 0 0 0 0 18 0 1 0 217576745 937984 28 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 2597307 0 0 4096 0 0 0 0 17 1 0 0
/proc/22020/statm: 229 28 20 16 0 8 0

[startup+10.0032 s]
/proc/loadavg: 0.15 0.03 0.01 2/67 22020
/proc/meminfo: memFree=1779576/2055892 swapFree=4085392/4096564
[pid=22020] ppid=22018 vsize=58196 CPUtime=9.99
/proc/22020/stat : 22020 (Pueblo) R 22018 22020 21974 0 -1 4194304 14016 0 0 0 993 6 0 0 25 0 1 0 217576745 59592704 13956 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 134517908 0 0 4096 0 0 0 0 17 1 0 0
/proc/22020/statm: 14549 13956 206 16 0 13989 0
Current children cumulated CPU time (s) 9.99
Current children cumulated vsize (Kb) 58196

[startup+20.0083 s]
/proc/loadavg: 0.28 0.06 0.02 2/67 22020
/proc/meminfo: memFree=1772984/2055892 swapFree=4085392/4096564
[pid=22020] ppid=22018 vsize=64804 CPUtime=19.99
/proc/22020/stat : 22020 (Pueblo) R 22018 22020 21974 0 -1 4194304 15688 0 0 0 1992 7 0 0 25 0 1 0 217576745 66359296 15628 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 134528544 0 0 4096 0 0 0 0 17 1 0 0
/proc/22020/statm: 16201 15628 206 16 0 15641 0
Current children cumulated CPU time (s) 19.99
Current children cumulated vsize (Kb) 64804

[startup+30.0143 s]
/proc/loadavg: 0.39 0.09 0.03 2/67 22020
/proc/meminfo: memFree=1755896/2055892 swapFree=4085392/4096564
[pid=22020] ppid=22018 vsize=82112 CPUtime=29.99
/proc/22020/stat : 22020 (Pueblo) R 22018 22020 21974 0 -1 4194304 19972 0 0 0 2988 11 0 0 25 0 1 0 217576745 84082688 19912 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 134517903 0 0 4096 0 0 0 0 17 1 0 0
/proc/22020/statm: 20528 19912 206 16 0 19968 0
Current children cumulated CPU time (s) 29.99
Current children cumulated vsize (Kb) 82112

[startup+40.0204 s]
/proc/loadavg: 0.49 0.12 0.04 2/67 22020
/proc/meminfo: memFree=1743352/2055892 swapFree=4085392/4096564
[pid=22020] ppid=22018 vsize=94652 CPUtime=40
/proc/22020/stat : 22020 (Pueblo) R 22018 22020 21974 0 -1 4194304 23121 0 0 0 3986 14 0 0 25 0 1 0 217576745 96923648 23061 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 3033131 0 0 4096 0 0 0 0 17 1 0 0
/proc/22020/statm: 23663 23061 206 16 0 23103 0
Current children cumulated CPU time (s) 40
Current children cumulated vsize (Kb) 94652

[startup+50.0265 s]
/proc/loadavg: 0.56 0.15 0.05 2/67 22020
/proc/meminfo: memFree=1725496/2055892 swapFree=4085392/4096564
[pid=22020] ppid=22018 vsize=112376 CPUtime=50
/proc/22020/stat : 22020 (Pueblo) R 22018 22020 21974 0 -1 4194304 27568 0 0 0 4984 16 0 0 25 0 1 0 217576745 115073024 27508 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 134527715 0 0 4096 0 0 0 0 17 1 0 0
/proc/22020/statm: 28094 27508 206 16 0 27534 0
Current children cumulated CPU time (s) 50
Current children cumulated vsize (Kb) 112376

[startup+60.0326 s]
/proc/loadavg: 0.63 0.18 0.06 2/67 22020
/proc/meminfo: memFree=1709560/2055892 swapFree=4085392/4096564
[pid=22020] ppid=22018 vsize=128388 CPUtime=60.01
/proc/22020/stat : 22020 (Pueblo) R 22018 22020 21974 0 -1 4194304 31541 0 0 0 5982 19 0 0 25 0 1 0 217576745 131469312 31481 18446744073709551615 134512640 134579096 4294956688 18446744073709551615 134559569 0 0 4096 0 0 0 0 17 1 0 0
/proc/22020/statm: 32097 31481 206 16 0 31537 0
Current children cumulated CPU time (s) 60.01
Current children cumulated vsize (Kb) 128388

Child status: 10
Real time (s): 68.5139
CPU time (s): 68.4896
CPU user time (s): 68.2606
CPU system time (s): 0.228965
CPU usage (%): 99.9646
Max. virtual memory (cumulated for all children) (Kb): 128388

Launcher Data (download as text)

Begin job on node79 on Mon Jun  5 14:56:13 UTC 2006


FILE ID= 36185-1149519368

PBS_JOBID= 315827

BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_9.opb.PB06.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user8/Pueblo ROOT/tmp/node79/36185-1149519368/instance-36185-1149519368.opb
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node79/watcher-36185-1149519368 -o ROOT/results/node79/solver-36185-1149519368 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user8/Pueblo ROOT/tmp/node79/36185-1149519368/instance-36185-1149519368.opb

MD5SUM SOLVER= 80c24de60e85bc4a9ec18ca4764e7dff
MD5SUM BENCH=  513c9c3498927a8710f266699385db2b

RANDOM SEED= 673989852


/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		: 3000.234
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	: 6006.18
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		: 3000.234
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	: 5999.42
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055892 kB
MemFree:       1834504 kB
Buffers:         22156 kB
Cached:         137536 kB
SwapCached:       2284 kB
Active:          67336 kB
Inactive:       100944 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055892 kB
LowFree:       1834504 kB
SwapTotal:     4096564 kB
SwapFree:      4085392 kB
Dirty:             216 kB
Writeback:           0 kB
Mapped:          16552 kB
Slab:            39616 kB
Committed_AS:   414172 kB
PageTables:       1304 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264388 kB
VmallocChunk: 536606243 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node79 on Mon Jun  5 14:57:30 UTC 2006