Trace number 2667681

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 0.1OPT-78 7.78981 7.79169

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-1000opt.opb
MD5SUM6db624ef9d444e54f2daac91a1bb8591
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-78
Best CPU time to get the best result obtained on this benchmark7.2459
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 constraints30658
Number of constraints which are clauses30658
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 327
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 327
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 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.39/0.46	c constraints 0/0 clauses 30658/0 units 0
0.39/0.46	c vars 2025
0.39/0.46	c objective 135 + -327
1.00/1.02	c 0.953854 61.3164 0 1831
1.00/1.02	o -14
1.00/1.03	c 0.958854 62.3672 1 3931
1.00/1.03	o -20
1.00/1.04	c 0.964853 62.3672 22 5763
1.00/1.04	o -27
1.00/1.05	c 0.971852 62.3672 52 7669
1.00/1.05	o -29
1.00/1.05	c 0.977851 62.3672 65 9324
1.00/1.05	o -30
1.00/1.06	c 0.98185 62.3672 98 11092
1.00/1.06	o -37
1.00/1.08	c 0.993848 62.3672 188 12918
1.00/1.08	o -38
1.00/1.09	c 1.00285 62.3672 251 14720
1.00/1.09	o -39
1.00/1.10	c 1.01085 62.3672 279 16343
1.00/1.10	o -40
1.10/1.11	c 1.01785 62.3672 311 18085
1.10/1.11	o -41
1.10/1.12	c 1.02484 62.3672 329 19758
1.10/1.12	o -45
1.10/1.14	c 1.03984 62.3672 480 21654
1.10/1.14	o -46
1.10/1.15	c 1.05184 62.3672 585 23087
1.10/1.15	o -71
1.10/1.16	c 1.05984 62.3672 618 24494
1.10/1.16	o -72
1.29/1.37	c 1.25581 62.3672 2450 28249
1.29/1.37	o -73
1.39/1.46	c 1.3388 62.4961 3163 30384
1.39/1.46	o -74
2.10/2.12	c 1.9647 63.5352 7605 36484
2.10/2.12	o -75
3.89/3.94	c 3.73343 64.4414 12038 48405
3.89/3.94	o -76
5.40/5.43	c 5.16821 64.4414 8326 58582
5.40/5.43	o -78
7.49/7.53	c 7.2169 64.5742 1121 71111
7.49/7.53	s OPTIMUM FOUND
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Verifier Data 

OK	-78

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2667681-1276687082/watcher-2667681-1276687082 -o /tmp/evaluation-result-2667681-1276687082/solver-2667681-1276687082 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667681-1276687082.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: 0.99 0.98 0.99 3/106 8328
/proc/meminfo: memFree=1749916/2059040 swapFree=4140260/4192956
[pid=8328] ppid=8326 vsize=2208 CPUtime=0
/proc/8328/stat : 8328 (pbct) R 8326 8328 7710 0 -1 4202496 257 0 0 0 0 0 0 0 17 0 1 0 44309923 2260992 180 1992294400 134512640 136485738 4286963328 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/8328/statm: 552 180 156 482 0 68 0

[startup+0.017307 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 8328
/proc/meminfo: memFree=1749916/2059040 swapFree=4140260/4192956
[pid=8328] ppid=8326 vsize=2208 CPUtime=0.01
/proc/8328/stat : 8328 (pbct) R 8326 8328 7710 0 -1 4202496 263 0 0 0 1 0 0 0 17 0 1 0 44309923 2260992 186 1992294400 134512640 136485738 4286963328 18446744073709551615 134550206 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/8328/statm: 552 186 156 482 0 68 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2208

[startup+0.101315 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 8328
/proc/meminfo: memFree=1749916/2059040 swapFree=4140260/4192956
[pid=8328] ppid=8326 vsize=2472 CPUtime=0.09
/proc/8328/stat : 8328 (pbct) R 8326 8328 7710 0 -1 4202496 312 0 0 0 9 0 0 0 17 0 1 0 44309923 2531328 235 1992294400 134512640 136485738 4286963328 18446744073709551615 135177438 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/8328/statm: 618 235 156 482 0 134 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2472

[startup+0.301337 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 8328
/proc/meminfo: memFree=1749916/2059040 swapFree=4140260/4192956
[pid=8328] ppid=8326 vsize=2868 CPUtime=0.29
/proc/8328/stat : 8328 (pbct) R 8326 8328 7710 0 -1 4202496 426 0 0 0 29 0 0 0 17 0 1 0 44309923 2936832 349 1992294400 134512640 136485738 4286963328 18446744073709551615 135688643 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/8328/statm: 717 349 156 482 0 233 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2868

[startup+0.701381 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 8328
/proc/meminfo: memFree=1749916/2059040 swapFree=4140260/4192956
[pid=8328] ppid=8326 vsize=23004 CPUtime=0.69
/proc/8328/stat : 8328 (pbct) R 8326 8328 7710 0 -1 4202496 5695 0 0 0 67 2 0 0 17 0 1 0 44309923 23556096 5147 1992294400 134512640 136485738 4286963328 18446744073709551615 134616296 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8328/statm: 5751 5148 194 482 0 5267 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 23004

[startup+1.50147 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 8329
/proc/meminfo: memFree=1693612/2059040 swapFree=4140260/4192956
[pid=8328] ppid=8326 vsize=63992 CPUtime=1.49
/proc/8328/stat : 8328 (pbct) R 8326 8328 7710 0 -1 4202496 16410 0 0 0 137 12 0 0 18 0 1 0 44309923 65527808 14739 1992294400 134512640 136485738 4286963328 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8328/statm: 15998 14739 243 482 0 15514 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 63992

[startup+3.10165 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 8329
/proc/meminfo: memFree=1690512/2059040 swapFree=4140260/4192956
[pid=8328] ppid=8326 vsize=65720 CPUtime=3.09
/proc/8328/stat : 8328 (pbct) R 8326 8328 7710 0 -1 4202496 16833 0 0 0 291 18 0 0 21 0 1 0 44309923 67297280 15161 1992294400 134512640 136485738 4286963328 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8328/statm: 16430 15161 243 482 0 15946 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 65720

[startup+6.301 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 8329
/proc/meminfo: memFree=1689396/2059040 swapFree=4140260/4192956
[pid=8328] ppid=8326 vsize=65984 CPUtime=6.29
/proc/8328/stat : 8328 (pbct) R 8326 8328 7710 0 -1 4202496 16905 0 0 0 601 28 0 0 25 0 1 0 44309923 67567616 15231 1992294400 134512640 136485738 4286963328 18446744073709551615 134880669 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8328/statm: 16496 15231 243 482 0 16012 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 65984

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

[startup+7.10109 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 8329
/proc/meminfo: memFree=1689396/2059040 swapFree=4140260/4192956
[pid=8328] ppid=8326 vsize=65984 CPUtime=7.09
/proc/8328/stat : 8328 (pbct) R 8326 8328 7710 0 -1 4202496 16905 0 0 0 679 30 0 0 25 0 1 0 44309923 67567616 15231 1992294400 134512640 136485738 4286963328 18446744073709551615 134880683 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8328/statm: 16496 15231 243 482 0 16012 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 65984

[startup+7.50113 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 8329
/proc/meminfo: memFree=1689396/2059040 swapFree=4140260/4192956
[pid=8328] ppid=8326 vsize=66120 CPUtime=7.49
/proc/8328/stat : 8328 (pbct) R 8326 8328 7710 0 -1 4202496 16918 0 0 0 718 31 0 0 25 0 1 0 44309923 67706880 15244 1992294400 134512640 136485738 4286963328 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8328/statm: 16530 15244 243 482 0 16046 0
Current children cumulated CPU time (s) 7.49
Current children cumulated vsize (KiB) 66120

[startup+7.70916 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 8329
/proc/meminfo: memFree=1692372/2059040 swapFree=4140260/4192956
[pid=8328] ppid=8326 vsize=60412 CPUtime=7.7
/proc/8328/stat : 8328 (pbct) R 8326 8328 7710 0 -1 4202496 16923 0 0 0 739 31 0 0 25 0 1 0 44309923 61861888 14340 1992294400 134512640 136485738 4286963328 18446744073709551615 135839892 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8328/statm: 15103 14340 247 482 0 14619 0
Current children cumulated CPU time (s) 7.7
Current children cumulated vsize (KiB) 60412

Child status: 0
Real time (s): 7.79169
CPU time (s): 7.78981
CPU user time (s): 7.46786
CPU system time (s): 0.321951
CPU usage (%): 99.976
Max. virtual memory (cumulated for all children) (KiB): 66120

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.46786
system time used= 0.321951
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16924
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= 20

runsolver used 0.020996 second user time and 0.039993 second system time

The end

Launcher Data 

Begin job on node009 at 2010-06-16 13:18:02
IDJOB=2667681
IDBENCH=71835
IDSOLVER=1170
FILE ID=node009/2667681-1276687082
PBS_JOBID= 11172567
Free space on /tmp= 62552 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-1000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667681-1276687082/watcher-2667681-1276687082 -o /tmp/evaluation-result-2667681-1276687082/solver-2667681-1276687082 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667681-1276687082.opb

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

MD5SUM BENCH= 6db624ef9d444e54f2daac91a1bb8591
RANDOM SEED=1787646204

node009.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		: 3000.199
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	: 6000.39
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		: 3000.199
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	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1750444 kB
Buffers:         84412 kB
Cached:         129324 kB
SwapCached:       6248 kB
Active:         107004 kB
Inactive:       120120 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1750444 kB
SwapTotal:     4192956 kB
SwapFree:      4140260 kB
Dirty:            2884 kB
Writeback:           0 kB
AnonPages:       11704 kB
Mapped:          13016 kB
Slab:            59696 kB
PageTables:       4004 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180584 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= 62552 MiB
End job on node009 at 2010-06-16 13:18:10