Trace number 2681265

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-68 7.83981 7.84179

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-7000opt.opb
MD5SUMa25a52544be0f6847f2aa8f54184e900
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-68
Best CPU time to get the best result obtained on this benchmark7.83981
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 constraints29069
Number of constraints which are clauses29069
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 347
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 347
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
0.29/0.33	c constraints 0/0 clauses 29069/0 units 0
0.29/0.33	c vars 2025
0.29/0.33	c objective 135 + -347
0.79/0.84	c 0.781881 56.9258 1 3241
0.79/0.84	o -7
0.79/0.84	c 0.78688 57.668 1 5148
0.79/0.84	o -10
0.79/0.85	c 0.78888 57.668 2 7084
0.79/0.85	o -12
0.79/0.86	c 0.796878 57.668 14 9270
0.79/0.86	o -14
0.79/0.87	c 0.803877 57.668 37 11103
0.79/0.87	o -24
0.79/0.88	c 0.812876 57.668 106 13152
0.79/0.88	o -33
0.89/0.90	c 0.827874 57.668 257 15430
0.89/0.90	o -41
0.89/0.91	c 0.834873 57.668 303 17052
0.89/0.91	o -42
0.89/0.92	c 0.840872 57.668 325 18592
0.89/0.92	o -56
0.89/0.96	c 0.872867 57.668 660 20820
0.89/0.96	o -60
1.00/1.07	c 0.98085 57.668 1822 23791
1.00/1.07	o -63
1.00/1.10	c 1.00385 57.668 1970 25305
1.00/1.10	o -64
1.09/1.19	c 1.08384 57.7969 2680 27492
1.09/1.19	o -65
1.79/1.80	c 1.66975 58.8281 7081 33834
1.79/1.80	o -66
3.49/3.57	c 3.39248 60.0078 11959 45833
3.49/3.57	o -68
7.49/7.59	c 7.28989 60.0078 1235 71214
7.49/7.59	s OPTIMUM FOUND
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Verifier Data 

OK	-68

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2681265-1277506291/watcher-2681265-1277506291 -o /tmp/evaluation-result-2681265-1277506291/solver-2681265-1277506291 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681265-1277506291.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: 0.85 0.97 0.99 3/106 30793
/proc/meminfo: memFree=1843512/2059040 swapFree=4140192/4192956
[pid=30793] ppid=30791 vsize=2136 CPUtime=0
/proc/30793/stat : 30793 (pbct) R 30791 30793 30768 0 -1 4202496 250 0 0 0 0 0 0 0 20 0 1 0 91921902 2187264 169 1992294400 134512640 136421960 4294814544 18446744073709551615 135818289 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30793/statm: 534 169 145 467 0 65 0

[startup+0.062443 s]
/proc/loadavg: 0.85 0.97 0.99 3/106 30793
/proc/meminfo: memFree=1843512/2059040 swapFree=4140192/4192956
[pid=30793] ppid=30791 vsize=2268 CPUtime=0.06
/proc/30793/stat : 30793 (pbct) R 30791 30793 30768 0 -1 4202496 293 0 0 0 6 0 0 0 20 0 1 0 91921902 2322432 212 1992294400 134512640 136421960 4294814544 18446744073709551615 135372671 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30793/statm: 567 212 145 467 0 98 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 2268

[startup+0.101447 s]
/proc/loadavg: 0.85 0.97 0.99 3/106 30793
/proc/meminfo: memFree=1843512/2059040 swapFree=4140192/4192956
[pid=30793] ppid=30791 vsize=2400 CPUtime=0.09
/proc/30793/stat : 30793 (pbct) R 30791 30793 30768 0 -1 4202496 325 0 0 0 9 0 0 0 20 0 1 0 91921902 2457600 244 1992294400 134512640 136421960 4294814544 18446744073709551615 134523587 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30793/statm: 600 244 145 467 0 131 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2400

[startup+0.301468 s]
/proc/loadavg: 0.85 0.97 0.99 3/106 30793
/proc/meminfo: memFree=1843512/2059040 swapFree=4140192/4192956
[pid=30793] ppid=30791 vsize=3060 CPUtime=0.29
/proc/30793/stat : 30793 (pbct) R 30791 30793 30768 0 -1 4202496 474 0 0 0 29 0 0 0 20 0 1 0 91921902 3133440 393 1992294400 134512640 136421960 4294814544 18446744073709551615 134518542 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30793/statm: 765 393 145 467 0 296 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3060

[startup+0.701512 s]
/proc/loadavg: 0.85 0.97 0.99 3/106 30793
/proc/meminfo: memFree=1843512/2059040 swapFree=4140192/4192956
[pid=30793] ppid=30791 vsize=55320 CPUtime=0.69
/proc/30793/stat : 30793 (pbct) R 30791 30793 30768 0 -1 4202496 14227 0 0 0 64 5 0 0 20 0 1 0 91921902 56647680 13327 1992294400 134512640 136421960 4294814544 18446744073709551615 134914432 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30793/statm: 13830 13327 204 467 0 13361 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 55320

[startup+1.5016 s]
/proc/loadavg: 0.85 0.97 0.99 2/107 30794
/proc/meminfo: memFree=1788200/2059040 swapFree=4140192/4192956
[pid=30793] ppid=30791 vsize=59840 CPUtime=1.49
/proc/30793/stat : 30793 (pbct) R 30791 30793 30768 0 -1 4202496 15357 0 0 0 138 11 0 0 22 0 1 0 91921902 61276160 14196 1992294400 134512640 136421960 4294814544 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30793/statm: 14960 14196 236 467 0 14491 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 59840

[startup+3.10177 s]
/proc/loadavg: 0.85 0.97 0.99 2/107 30794
/proc/meminfo: memFree=1786340/2059040 swapFree=4140192/4192956
[pid=30793] ppid=30791 vsize=61048 CPUtime=3.09
/proc/30793/stat : 30793 (pbct) R 30791 30793 30768 0 -1 4202496 15673 0 0 0 293 16 0 0 25 0 1 0 91921902 62513152 14511 1992294400 134512640 136421960 4294814544 18446744073709551615 134861907 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30793/statm: 15262 14511 236 467 0 14793 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 61048

[startup+6.30112 s]
/proc/loadavg: 0.86 0.97 0.99 2/107 30794
/proc/meminfo: memFree=1785472/2059040 swapFree=4140192/4192956
[pid=30793] ppid=30791 vsize=61444 CPUtime=6.29
/proc/30793/stat : 30793 (pbct) R 30791 30793 30768 0 -1 4202496 15772 0 0 0 603 26 0 0 25 0 1 0 91921902 62918656 14609 1992294400 134512640 136421960 4294814544 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30793/statm: 15361 14609 236 467 0 14892 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 61444

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

[startup+7.10121 s]
/proc/loadavg: 0.86 0.97 0.99 2/107 30794
/proc/meminfo: memFree=1785472/2059040 swapFree=4140192/4192956
[pid=30793] ppid=30791 vsize=61444 CPUtime=7.09
/proc/30793/stat : 30793 (pbct) R 30791 30793 30768 0 -1 4202496 15772 0 0 0 681 28 0 0 25 0 1 0 91921902 62918656 14609 1992294400 134512640 136421960 4294814544 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30793/statm: 15361 14609 236 467 0 14892 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 61444

[startup+7.50125 s]
/proc/loadavg: 0.86 0.97 0.99 2/107 30794
/proc/meminfo: memFree=1785472/2059040 swapFree=4140192/4192956
[pid=30793] ppid=30791 vsize=61444 CPUtime=7.49
/proc/30793/stat : 30793 (pbct) R 30791 30793 30768 0 -1 4202496 15772 0 0 0 719 30 0 0 25 0 1 0 91921902 62918656 14609 1992294400 134512640 136421960 4294814544 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30793/statm: 15361 14609 236 467 0 14892 0
Current children cumulated CPU time (s) 7.49
Current children cumulated vsize (KiB) 61444

[startup+7.70828 s]
/proc/loadavg: 0.86 0.97 0.99 2/107 30794
/proc/meminfo: memFree=1785720/2059040 swapFree=4140192/4192956
[pid=30793] ppid=30791 vsize=56628 CPUtime=7.7
/proc/30793/stat : 30793 (pbct) R 30791 30793 30768 0 -1 4202496 15776 0 0 0 740 30 0 0 25 0 1 0 91921902 57987072 13510 1992294400 134512640 136421960 4294814544 18446744073709551615 134701406 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30793/statm: 14157 13510 239 467 0 13688 0
Current children cumulated CPU time (s) 7.7
Current children cumulated vsize (KiB) 56628

[startup+7.80129 s]
/proc/loadavg: 0.86 0.97 0.99 2/107 30794
/proc/meminfo: memFree=1785720/2059040 swapFree=4140192/4192956
[pid=30793] ppid=30791 vsize=56628 CPUtime=7.79
/proc/30793/stat : 30793 (pbct) R 30791 30793 30768 0 -1 4202496 15776 0 0 0 749 30 0 0 25 0 1 0 91921902 57987072 13510 1992294400 134512640 136421960 4294814544 18446744073709551615 135818225 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30793/statm: 14157 13510 239 467 0 13688 0
Current children cumulated CPU time (s) 7.79
Current children cumulated vsize (KiB) 56628

Child status: 0
Real time (s): 7.84179
CPU time (s): 7.83981
CPU user time (s): 7.52785
CPU system time (s): 0.311952
CPU usage (%): 99.9747
Max. virtual memory (cumulated for all children) (KiB): 61444

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.52785
system time used= 0.311952
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15777
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= 17

runsolver used 0.016997 second user time and 0.045993 second system time

The end

Launcher Data 

Begin job on node037 at 2010-06-26 00:51:31
IDJOB=2681265
IDBENCH=71825
IDSOLVER=1192
FILE ID=node037/2681265-1277506291
PBS_JOBID= 11190635
Free space on /tmp= 62488 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-7000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681265-1277506291/watcher-2681265-1277506291 -o /tmp/evaluation-result-2681265-1277506291/solver-2681265-1277506291 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681265-1277506291.opb

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

MD5SUM BENCH= a25a52544be0f6847f2aa8f54184e900
RANDOM SEED=1518561736

node037.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		: 3000.248
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	: 6000.49
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		: 3000.248
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	: 5599.55
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1843916 kB
Buffers:         35000 kB
Cached:          84352 kB
SwapCached:       5520 kB
Active:          69072 kB
Inactive:        63120 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1843916 kB
SwapTotal:     4192956 kB
SwapFree:      4140192 kB
Dirty:            3164 kB
Writeback:           0 kB
AnonPages:       11456 kB
Mapped:          11808 kB
Slab:            60856 kB
PageTables:       4068 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182080 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= 62488 MiB
End job on node037 at 2010-06-26 00:51:39