Trace number 456840

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
glpPB 0.2SAT 1.54776 1.55757

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_100_10_4_15.opb
MD5SUM18824f3ca3b73f0d00fa79bded50b3fe
Bench CategorySATUNSAT-SMALLINT-NLC (no optimisation, small integers, non 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 benchmark0.055991
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables200
Total number of constraints302
Number of constraints which are clauses100
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints201
Minimum length of a constraint2
Maximum length of a constraint200
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 15
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 200
Number of bits of the biggest sum of numbers8
Number of products (including duplicates)2516
Sum of products size (including duplicates)5032
Number of different products1258
Sum of products size2516

Solver Data (download as text)

0.00/0.01	c glpPB 0.2 (July 2006)
0.00/0.01	c An Application of GLPK 4.10 for PB Constraints
0.00/0.01	c Done @ University of Michigan, Ann Arbor, MI
0.00/0.01	c  by Hossein Sheini
1.49/1.55	c starting to Solve
1.49/1.55	c total time = 1.54
1.49/1.55	c quality of integer solution is H
1.49/1.55	s SATISFIABLE
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Verifier Data (download as text)

OK	0

Conversion Script Data (download as text)

Linearizing /tmp/evaluation/456840-1178363440/instance-456840-1178363440.opb

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node65/watcher-456840-1178363440 -o ROOT/results/node65/solver-456840-1178363440 -C 1800 -W 3600 -M 1800 --output-limit 1,15 glpPBv3 /tmp/evaluation/456840-1178363440/instance-456840-1178363440.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): 3600 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.94 0.98 0.83 3/64 25358
/proc/meminfo: memFree=1461888/2055920 swapFree=4184156/4192956
[pid=25358] ppid=25356 vsize=2432 CPUtime=0
/proc/25358/stat : 25358 (glpPBv3) R 25356 25358 24842 0 -1 0 95 0 1 0 0 0 0 0 18 0 1 0 312333646 2490368 79 18446744073709551615 134512640 134678228 4294956720 18446744073709551615 5649600 0 0 4096 0 0 0 0 17 1 0 0
/proc/25358/statm: 608 97 83 40 0 11 0

[startup+0.087488 s]
/proc/loadavg: 0.94 0.98 0.83 3/64 25358
/proc/meminfo: memFree=1461888/2055920 swapFree=4184156/4192956
[pid=25358] ppid=25356 vsize=4720 CPUtime=0.06
/proc/25358/stat : 25358 (glpPBv3) R 25356 25358 24842 0 -1 0 818 0 3 0 6 0 0 0 18 0 1 0 312333646 4833280 791 18446744073709551615 134512640 134678228 4294956720 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/25358/statm: 1180 791 221 40 0 595 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 4720

[startup+0.101488 s]
/proc/loadavg: 0.94 0.98 0.83 3/64 25358
/proc/meminfo: memFree=1461888/2055920 swapFree=4184156/4192956
[pid=25358] ppid=25356 vsize=4720 CPUtime=0.08
/proc/25358/stat : 25358 (glpPBv3) R 25356 25358 24842 0 -1 0 818 0 3 0 8 0 0 0 18 0 1 0 312333646 4833280 791 18446744073709551615 134512640 134678228 4294956720 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/25358/statm: 1180 791 221 40 0 595 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4720

[startup+0.301504 s]
/proc/loadavg: 0.94 0.98 0.83 3/64 25358
/proc/meminfo: memFree=1461888/2055920 swapFree=4184156/4192956
[pid=25358] ppid=25356 vsize=6112 CPUtime=0.29
/proc/25358/stat : 25358 (glpPBv3) R 25356 25358 24842 0 -1 0 1227 0 3 0 28 1 0 0 19 0 1 0 312333646 6258688 1152 18446744073709551615 134512640 134678228 4294956720 18446744073709551615 134643344 0 0 4096 0 0 0 0 17 1 0 0
/proc/25358/statm: 1528 1152 227 40 0 943 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6112

[startup+0.701537 s]
/proc/loadavg: 0.94 0.98 0.83 3/64 25358
/proc/meminfo: memFree=1461888/2055920 swapFree=4184156/4192956
[pid=25358] ppid=25356 vsize=6344 CPUtime=0.68
/proc/25358/stat : 25358 (glpPBv3) R 25356 25358 24842 0 -1 0 1307 0 3 0 67 1 0 0 22 0 1 0 312333646 6496256 1210 18446744073709551615 134512640 134678228 4294956720 18446744073709551615 134542140 0 0 4096 0 0 0 0 17 1 0 0
/proc/25358/statm: 1586 1210 227 40 0 1001 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 6344

[startup+1.5026 s]
/proc/loadavg: 0.94 0.98 0.83 2/65 25359
/proc/meminfo: memFree=1457144/2055920 swapFree=4184156/4192956
[pid=25358] ppid=25356 vsize=6344 CPUtime=1.49
/proc/25358/stat : 25358 (glpPBv3) R 25356 25358 24842 0 -1 0 1318 0 3 0 148 1 0 0 25 0 1 0 312333646 6496256 1210 18446744073709551615 134512640 134678228 4294956720 18446744073709551615 134569956 0 0 4096 0 0 0 0 17 1 0 0
/proc/25358/statm: 1586 1210 227 40 0 1001 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6344

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

Child status: 10
Real time (s): 1.55757
CPU time (s): 1.54776
CPU user time (s): 1.53377
CPU system time (s): 0.013997
CPU usage (%): 99.3703
Max. virtual memory (cumulated for all children) (KiB): 6344

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.53377
system time used= 0.013997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1326
page faults= 3
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 19
involuntary context switches= 3

runsolver used 0.001999 second user time and 0.013997 second system time

The end

Launcher Data (download as text)

Begin job on node65 on Sat May  5 11:10:40 UTC 2007

IDJOB= 456840
IDBENCH= 48301
IDSOLVER= 166
FILE ID= node65/456840-1178363440

PBS_JOBID= 5189169

Free space on /tmp= 66562 MiB

SOLVER NAME= glpPB 0.2
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_100_10_4_15.opb
COMMAND LINE= glpPBv3 /tmp/evaluation/456840-1178363440/instance-456840-1178363440.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node65/convwatcher-456840-1178363440 -o ROOT/results/node65/conversion-456840-1178363440 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/456840-1178363440/instance-456840-1178363440.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node65/watcher-456840-1178363440 -o ROOT/results/node65/solver-456840-1178363440 -C 1800 -W 3600 -M 1800 --output-limit 1,15  glpPBv3 /tmp/evaluation/456840-1178363440/instance-456840-1178363440.opb

META MD5SUM SOLVER= 9ebec3e8d890fdeefad01654ad9b68b7
MD5SUM BENCH=  18824f3ca3b73f0d00fa79bded50b3fe

RANDOM SEED= 818266582

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node65.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.245
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		: 3000.245
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:       1462296 kB
Buffers:         31724 kB
Cached:         462384 kB
SwapCached:       2904 kB
Active:         184108 kB
Inactive:       319840 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1462296 kB
SwapTotal:     4192956 kB
SwapFree:      4184156 kB
Dirty:            2572 kB
Writeback:           0 kB
Mapped:          15800 kB
Slab:            75628 kB
Committed_AS:  7345152 kB
PageTables:       1456 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66562 MiB

End job on node65 on Sat May  5 11:10:42 UTC 2007