Trace number 2667686

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-70 7.2199 7.22164

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-5000opt.opb
MD5SUMb413d11d214e81d6bb556d5c8775428f
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-70
Best CPU time to get the best result obtained on this benchmark6.31704
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 constraints30912
Number of constraints which are clauses30912
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 317
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 317
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
0.40/0.46	c constraints 0/0 clauses 30912/0 units 0
0.40/0.46	c vars 2025
0.40/0.46	c objective 135 + -317
1.00/1.02	c 0.968852 62.1797 0 2644
1.00/1.02	o -10
1.00/1.02	c 0.973851 63.2461 0 4526
1.00/1.03	o -11
1.00/1.03	c 0.976851 63.2461 0 6376
1.00/1.03	o -15
1.00/1.04	c 0.98385 63.2461 2 8826
1.00/1.04	o -17
1.00/1.05	c 0.990849 63.2461 19 10796
1.00/1.05	o -19
1.00/1.06	c 0.995848 63.2461 38 12532
1.00/1.06	o -20
1.00/1.07	c 1.00485 63.2461 76 14436
1.00/1.07	o -21
1.00/1.08	c 1.01185 63.2461 109 16501
1.00/1.08	o -23
1.00/1.08	c 1.01684 63.2461 118 18269
1.00/1.08	o -26
1.00/1.10	c 1.02284 63.2461 181 20071
1.00/1.10	o -37
1.00/1.10	c 1.02684 63.2461 207 21703
1.00/1.10	o -41
1.10/1.11	c 1.02984 63.2461 220 23378
1.10/1.11	o -44
1.10/1.12	c 1.03584 63.2461 226 24881
1.10/1.12	o -49
1.10/1.14	c 1.05184 63.2461 403 26930
1.10/1.14	o -56
1.10/1.16	c 1.06684 63.2461 530 28716
1.10/1.16	o -61
1.19/1.26	c 1.16282 63.2461 1515 31589
1.19/1.26	o -63
1.19/1.28	c 1.18482 63.2461 1663 33207
1.19/1.28	o -65
1.49/1.52	c 1.40779 63.5039 3551 36753
1.49/1.52	o -66
1.49/1.55	c 1.43278 63.5039 3701 38294
1.49/1.55	o -67
1.49/1.59	c 1.47078 63.5039 3944 39940
1.49/1.59	o -68
1.79/1.86	c 1.72974 64.0195 5714 43249
1.79/1.86	o -69
1.79/1.87	c 1.73974 64.0195 5738 44598
1.79/1.87	o -70
6.89/6.96	c 6.69398 65.7109 1151 72689
6.89/6.96	s OPTIMUM FOUND
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Verifier Data 

OK	-70

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2667686-1276687692/watcher-2667686-1276687692 -o /tmp/evaluation-result-2667686-1276687692/solver-2667686-1276687692 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667686-1276687692.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: 1.03 1.04 1.00 3/106 9631
/proc/meminfo: memFree=1739072/2059040 swapFree=4136120/4192956
[pid=9631] ppid=9629 vsize=2208 CPUtime=0
/proc/9631/stat : 9631 (pbct) R 9629 9631 9414 0 -1 4202496 258 0 0 0 0 0 0 0 18 0 1 0 44370591 2260992 180 1992294400 134512640 136485738 4286977520 18446744073709551615 135411160 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/9631/statm: 552 181 156 482 0 68 0

[startup+0.0386561 s]
/proc/loadavg: 1.03 1.04 1.00 3/106 9631
/proc/meminfo: memFree=1739072/2059040 swapFree=4136120/4192956
[pid=9631] ppid=9629 vsize=2208 CPUtime=0.03
/proc/9631/stat : 9631 (pbct) R 9629 9631 9414 0 -1 4202496 278 0 0 0 3 0 0 0 20 0 1 0 44370591 2260992 200 1992294400 134512640 136485738 4286977520 18446744073709551615 135848185 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/9631/statm: 552 200 156 482 0 68 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2208

[startup+0.101666 s]
/proc/loadavg: 1.03 1.04 1.00 3/106 9631
/proc/meminfo: memFree=1739072/2059040 swapFree=4136120/4192956
[pid=9631] ppid=9629 vsize=2472 CPUtime=0.1
/proc/9631/stat : 9631 (pbct) R 9629 9631 9414 0 -1 4202496 315 0 0 0 10 0 0 0 20 0 1 0 44370591 2531328 237 1992294400 134512640 136485738 4286977520 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/9631/statm: 618 237 156 482 0 134 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2472

[startup+0.3017 s]
/proc/loadavg: 1.03 1.04 1.00 3/106 9631
/proc/meminfo: memFree=1739072/2059040 swapFree=4136120/4192956
[pid=9631] ppid=9629 vsize=2868 CPUtime=0.3
/proc/9631/stat : 9631 (pbct) R 9629 9631 9414 0 -1 4202496 432 0 0 0 30 0 0 0 20 0 1 0 44370591 2936832 354 1992294400 134512640 136485738 4286977520 18446744073709551615 135857078 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/9631/statm: 717 354 156 482 0 233 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 2868

[startup+0.701769 s]
/proc/loadavg: 1.03 1.04 1.00 3/106 9631
/proc/meminfo: memFree=1739072/2059040 swapFree=4136120/4192956
[pid=9631] ppid=9629 vsize=23272 CPUtime=0.69
/proc/9631/stat : 9631 (pbct) R 9629 9631 9414 0 -1 4202496 5794 0 0 0 68 1 0 0 20 0 1 0 44370591 23830528 5246 1992294400 134512640 136485738 4286977520 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9631/statm: 5818 5247 194 482 0 5334 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 23272

[startup+1.50091 s]
/proc/loadavg: 1.03 1.04 1.00 2/107 9632
/proc/meminfo: memFree=1682148/2059040 swapFree=4136120/4192956
[pid=9631] ppid=9629 vsize=64892 CPUtime=1.49
/proc/9631/stat : 9631 (pbct) R 9629 9631 9414 0 -1 4202496 16646 0 0 0 138 11 0 0 23 0 1 0 44370591 66449408 14842 1992294400 134512640 136485738 4286977520 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9631/statm: 16223 14842 243 482 0 15739 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 64892

[startup+3.10118 s]
/proc/loadavg: 1.03 1.04 1.00 2/107 9632
/proc/meminfo: memFree=1679420/2059040 swapFree=4136120/4192956
[pid=9631] ppid=9629 vsize=67152 CPUtime=3.09
/proc/9631/stat : 9631 (pbct) R 9629 9631 9414 0 -1 4202496 17202 0 0 0 293 16 0 0 25 0 1 0 44370591 68763648 15393 1992294400 134512640 136485738 4286977520 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9631/statm: 16788 15393 243 482 0 16304 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 67152

[startup+6.30073 s]
/proc/loadavg: 1.03 1.04 1.00 2/107 9632
/proc/meminfo: memFree=1677684/2059040 swapFree=4136120/4192956
[pid=9631] ppid=9629 vsize=67284 CPUtime=6.29
/proc/9631/stat : 9631 (pbct) R 9629 9631 9414 0 -1 4202496 17233 0 0 0 604 25 0 0 25 0 1 0 44370591 68898816 15424 1992294400 134512640 136485738 4286977520 18446744073709551615 134880510 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9631/statm: 16821 15424 243 482 0 16337 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 67284

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

[startup+6.7008 s]
/proc/loadavg: 1.03 1.04 1.00 2/107 9632
/proc/meminfo: memFree=1677684/2059040 swapFree=4136120/4192956
[pid=9631] ppid=9629 vsize=67284 CPUtime=6.69
/proc/9631/stat : 9631 (pbct) R 9629 9631 9414 0 -1 4202496 17233 0 0 0 643 26 0 0 25 0 1 0 44370591 68898816 15424 1992294400 134512640 136485738 4286977520 18446744073709551615 134880512 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9631/statm: 16821 15424 243 482 0 16337 0
Current children cumulated CPU time (s) 6.69
Current children cumulated vsize (KiB) 67284

[startup+7.10087 s]
/proc/loadavg: 1.03 1.04 1.00 2/107 9632
/proc/meminfo: memFree=1677684/2059040 swapFree=4136120/4192956
[pid=9631] ppid=9629 vsize=59848 CPUtime=7.08
/proc/9631/stat : 9631 (pbct) R 9629 9631 9414 0 -1 4202496 17238 0 0 0 682 26 0 0 25 0 1 0 44370591 61284352 14107 1992294400 134512640 136485738 4286977520 18446744073709551615 134720107 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9631/statm: 14962 14107 247 482 0 14478 0
Current children cumulated CPU time (s) 7.08
Current children cumulated vsize (KiB) 59848

[startup+7.20089 s]
/proc/loadavg: 1.03 1.04 1.00 2/107 9632
/proc/meminfo: memFree=1677684/2059040 swapFree=4136120/4192956
[pid=9631] ppid=9629 vsize=55148 CPUtime=7.18
/proc/9631/stat : 9631 (pbct) R 9629 9631 9414 0 -1 4202496 17238 0 0 0 692 26 0 0 25 0 1 0 44370591 56471552 13454 1992294400 134512640 136485738 4286977520 18446744073709551615 135839787 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9631/statm: 13787 13454 247 482 0 13303 0
Current children cumulated CPU time (s) 7.18
Current children cumulated vsize (KiB) 55148

Child status: 0
Real time (s): 7.22164
CPU time (s): 7.2199
CPU user time (s): 6.94494
CPU system time (s): 0.274958
CPU usage (%): 99.976
Max. virtual memory (cumulated for all children) (KiB): 67284

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.94494
system time used= 0.274958
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 17239
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= 31

runsolver used 0.010998 second user time and 0.043993 second system time

The end

Launcher Data 

Begin job on node014 at 2010-06-16 13:28:12
IDJOB=2667686
IDBENCH=71840
IDSOLVER=1170
FILE ID=node014/2667686-1276687692
PBS_JOBID= 11172589
Free space on /tmp= 62572 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-5000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667686-1276687692/watcher-2667686-1276687692 -o /tmp/evaluation-result-2667686-1276687692/solver-2667686-1276687692 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667686-1276687692.opb

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

MD5SUM BENCH= b413d11d214e81d6bb556d5c8775428f
RANDOM SEED=691159938

node014.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		: 3000.258
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	: 6000.51
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		: 3000.258
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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1739476 kB
Buffers:        115140 kB
Cached:         115924 kB
SwapCached:      10712 kB
Active:          97904 kB
Inactive:       147372 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1739476 kB
SwapTotal:     4192956 kB
SwapFree:      4136120 kB
Dirty:            2924 kB
Writeback:           0 kB
AnonPages:       12532 kB
Mapped:           9340 kB
Slab:            52476 kB
PageTables:       4092 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182232 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= 62568 MiB
End job on node014 at 2010-06-16 13:28:19