Trace number 2681276

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 NameAnswerobjective functionCPU timeWall clock time
PB/CT 0.1 fixedOPT-79 7.61884 7.62221

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-9000opt.opb
MD5SUM3178a50232316e72958589cc9e9cd436
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-79
Best CPU time to get the best result obtained on this benchmark7.61884
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables2025
Total number of constraints30187
Number of constraints which are clauses30187
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint3
Number of terms in the objective function 135
Biggest coefficient in the objective function 4
Number of bits for the biggest coefficient in the objective function 3
Sum of the numbers in the objective function 364
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 4
Number of bits of the biggest number in a constraint 3
Biggest sum of numbers in a constraint 364
Number of bits of the biggest sum of numbers9
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data 

0.00/0.00	c PB/CT 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.29/0.32	c constraints 0/0 clauses 30187/0 units 0
0.29/0.32	c vars 2025
0.29/0.32	c objective 135 + -364
0.79/0.81	c 0.765883 58.5625 0 1871
0.79/0.81	o -17
0.79/0.82	c 0.769882 59.3281 3 3719
0.79/0.82	o -20
0.79/0.83	c 0.775882 59.3281 27 5738
0.79/0.83	o -21
0.79/0.84	c 0.781881 59.3281 64 7812
0.79/0.84	o -37
0.79/0.84	c 0.78888 59.3281 75 9450
0.79/0.84	o -38
0.79/0.85	c 0.793879 59.3281 103 11355
0.79/0.85	o -40
0.79/0.86	c 0.800878 59.3281 141 13020
0.79/0.86	o -41
0.79/0.90	c 0.828873 59.3281 461 15505
0.79/0.90	o -50
0.90/0.90	c 0.834873 59.3281 486 17061
0.90/0.90	o -52
0.90/0.91	c 0.841872 59.3281 503 18562
0.90/0.91	o -59
0.90/0.92	c 0.846871 59.3281 517 20061
0.90/0.92	o -60
0.90/0.93	c 0.856869 59.3281 619 21614
0.90/0.93	o -70
0.90/0.94	c 0.860869 59.3281 621 22956
0.90/0.94	o -74
0.90/0.95	c 0.866868 59.3281 643 24343
0.90/0.95	o -76
1.89/1.96	c 1.83872 61.0039 8345 34465
1.89/1.96	o -78
3.99/4.06	c 3.89141 61.9258 8741 48430
3.99/4.06	o -79
7.29/7.37	c 7.11592 61.9258 1133 70161
7.29/7.37	s OPTIMUM FOUND
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Verifier Data 

OK	-79

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2681276-1277506400/watcher-2681276-1277506400 -o /tmp/evaluation-result-2681276-1277506400/solver-2681276-1277506400 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681276-1277506400.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: 1.00 1.00 1.00 2/105 481
/proc/meminfo: memFree=1850948/2059040 swapFree=4139112/4192956
[pid=481] ppid=479 vsize=2136 CPUtime=0
/proc/481/stat : 481 (pbct) R 479 481 341 0 -1 4202496 246 0 0 0 0 0 0 0 25 0 1 0 91933500 2187264 166 1992294400 134512640 136421960 4290482160 18446744073709551615 135153448 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/481/statm: 534 166 145 467 0 65 0

[startup+0.0704521 s]
/proc/loadavg: 1.00 1.00 1.00 2/105 481
/proc/meminfo: memFree=1850948/2059040 swapFree=4139112/4192956
[pid=481] ppid=479 vsize=2400 CPUtime=0.06
/proc/481/stat : 481 (pbct) R 479 481 341 0 -1 4202496 303 0 0 0 6 0 0 0 25 0 1 0 91933500 2457600 223 1992294400 134512640 136421960 4290482160 18446744073709551615 135528568 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/481/statm: 600 223 145 467 0 131 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 2400

[startup+0.101455 s]
/proc/loadavg: 1.00 1.00 1.00 2/105 481
/proc/meminfo: memFree=1850948/2059040 swapFree=4139112/4192956
[pid=481] ppid=479 vsize=2400 CPUtime=0.1
/proc/481/stat : 481 (pbct) R 479 481 341 0 -1 4202496 328 0 0 0 10 0 0 0 25 0 1 0 91933500 2457600 248 1992294400 134512640 136421960 4290482160 18446744073709551615 135152260 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/481/statm: 600 248 145 467 0 131 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2400

[startup+0.301477 s]
/proc/loadavg: 1.00 1.00 1.00 2/105 481
/proc/meminfo: memFree=1850948/2059040 swapFree=4139112/4192956
[pid=481] ppid=479 vsize=3060 CPUtime=0.29
/proc/481/stat : 481 (pbct) R 479 481 341 0 -1 4202496 491 0 0 0 29 0 0 0 25 0 1 0 91933500 3133440 411 1992294400 134512640 136421960 4290482160 18446744073709551615 135154800 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/481/statm: 765 411 145 467 0 296 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3060

[startup+0.701519 s]
/proc/loadavg: 1.00 1.00 1.00 2/105 481
/proc/meminfo: memFree=1850948/2059040 swapFree=4139112/4192956
[pid=481] ppid=479 vsize=58228 CPUtime=0.69
/proc/481/stat : 481 (pbct) R 479 481 341 0 -1 4202496 14959 0 0 0 65 4 0 0 25 0 1 0 91933500 59625472 13797 1992294400 134512640 136421960 4290482160 18446744073709551615 134589330 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/481/statm: 14557 13797 204 467 0 14088 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 58228

[startup+1.5016 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 482
/proc/meminfo: memFree=1793900/2059040 swapFree=4139112/4192956
[pid=481] ppid=479 vsize=61672 CPUtime=1.49
/proc/481/stat : 481 (pbct) R 479 481 341 0 -1 4202496 15853 0 0 0 139 10 0 0 25 0 1 0 91933500 63152128 14677 1992294400 134512640 136421960 4290482160 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/481/statm: 15418 14677 236 467 0 14949 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 61672

[startup+3.10177 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 482
/proc/meminfo: memFree=1791916/2059040 swapFree=4139112/4192956
[pid=481] ppid=479 vsize=62992 CPUtime=3.09
/proc/481/stat : 481 (pbct) R 479 481 341 0 -1 4202496 16160 0 0 0 294 15 0 0 25 0 1 0 91933500 64503808 14983 1992294400 134512640 136421960 4290482160 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/481/statm: 15748 14983 236 467 0 15279 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 62992

[startup+6.30111 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 482
/proc/meminfo: memFree=1791048/2059040 swapFree=4139112/4192956
[pid=481] ppid=479 vsize=63408 CPUtime=6.29
/proc/481/stat : 481 (pbct) R 479 481 341 0 -1 4202496 16269 0 0 0 607 22 0 0 25 0 1 0 91933500 64929792 15091 1992294400 134512640 136421960 4290482160 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/481/statm: 15852 15091 236 467 0 15383 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 63408

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

[startup+7.10119 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 482
/proc/meminfo: memFree=1791048/2059040 swapFree=4139112/4192956
[pid=481] ppid=479 vsize=63408 CPUtime=7.08
/proc/481/stat : 481 (pbct) R 479 481 341 0 -1 4202496 16269 0 0 0 684 24 0 0 25 0 1 0 91933500 64929792 15091 1992294400 134512640 136421960 4290482160 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/481/statm: 15852 15091 236 467 0 15383 0
Current children cumulated CPU time (s) 7.08
Current children cumulated vsize (KiB) 63408

[startup+7.50124 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 482
/proc/meminfo: memFree=1791048/2059040 swapFree=4139112/4192956
[pid=481] ppid=479 vsize=58616 CPUtime=7.49
/proc/481/stat : 481 (pbct) R 479 481 341 0 -1 4202496 16273 0 0 0 724 25 0 0 25 0 1 0 91933500 60022784 13997 1992294400 134512640 136421960 4290482160 18446744073709551615 134701447 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/481/statm: 14654 13997 239 467 0 14185 0
Current children cumulated CPU time (s) 7.49
Current children cumulated vsize (KiB) 58616

[startup+7.60125 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 482
/proc/meminfo: memFree=1797372/2059040 swapFree=4139112/4192956
[pid=481] ppid=479 vsize=54500 CPUtime=7.59
/proc/481/stat : 481 (pbct) R 479 481 341 0 -1 4202496 16273 0 0 0 734 25 0 0 25 0 1 0 91933500 55808000 13359 1992294400 134512640 136421960 4290482160 18446744073709551615 135801284 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/481/statm: 13625 13359 239 467 0 13156 0
Current children cumulated CPU time (s) 7.59
Current children cumulated vsize (KiB) 54500

Child status: 0
Real time (s): 7.62221
CPU time (s): 7.61884
CPU user time (s): 7.35388
CPU system time (s): 0.264959
CPU usage (%): 99.9558
Max. virtual memory (cumulated for all children) (KiB): 63408

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.35388
system time used= 0.264959
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16274
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= 1
involuntary context switches= 19

runsolver used 0.018997 second user time and 0.045993 second system time

The end

Launcher Data 

Begin job on node082 at 2010-06-26 00:53:20
IDJOB=2681276
IDBENCH=71836
IDSOLVER=1192
FILE ID=node082/2681276-1277506400
PBS_JOBID= 11190595
Free space on /tmp= 62356 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-9000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681276-1277506400/watcher-2681276-1277506400 -o /tmp/evaluation-result-2681276-1277506400/solver-2681276-1277506400 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681276-1277506400.opb

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

MD5SUM BENCH= 3178a50232316e72958589cc9e9cd436
RANDOM SEED=1375875583

node082.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		: 3000.215
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	: 6000.43
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		: 3000.215
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	: 5999.41
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1851468 kB
Buffers:         30864 kB
Cached:          77552 kB
SwapCached:       6436 kB
Active:          69952 kB
Inactive:        51736 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1851468 kB
SwapTotal:     4192956 kB
SwapFree:      4139112 kB
Dirty:            3072 kB
Writeback:           0 kB
AnonPages:       12032 kB
Mapped:          11840 kB
Slab:            64120 kB
PageTables:       4124 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181672 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264964 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62356 MiB
End job on node082 at 2010-06-26 00:53:28