Trace number 2667682

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-79 8.28974 8.29165

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 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.39/0.44	c constraints 0/0 clauses 30187/0 units 0
0.39/0.44	c vars 2025
0.39/0.44	c objective 135 + -364
0.89/0.98	c 0.937857 58.6328 0 1871
0.89/0.98	o -17
0.89/0.99	c 0.943856 59.3984 3 3719
0.89/0.99	o -20
1.00/1.00	c 0.952855 59.3984 27 5738
1.00/1.00	o -21
1.00/1.01	c 0.959854 59.3984 64 7812
1.00/1.01	o -37
1.00/1.02	c 0.961853 59.3984 75 9450
1.00/1.02	o -38
1.00/1.03	c 0.969852 59.3984 103 11355
1.00/1.03	o -40
1.00/1.04	c 0.977851 59.3984 141 13020
1.00/1.04	o -41
1.00/1.07	c 1.00885 59.3984 461 15505
1.00/1.07	o -50
1.00/1.08	c 1.01385 59.3984 486 17061
1.00/1.08	o -52
1.00/1.09	c 1.02084 59.3984 503 18562
1.00/1.09	o -59
1.00/1.10	c 1.02784 59.3984 517 20061
1.00/1.10	o -60
1.10/1.11	c 1.03784 59.3984 619 21614
1.10/1.11	o -70
1.10/1.12	c 1.04384 59.3984 621 22956
1.10/1.12	o -74
1.10/1.13	c 1.04884 59.3984 643 24343
1.10/1.13	o -76
2.19/2.21	c 2.10268 61.0742 8345 34465
2.19/2.21	o -78
4.40/4.47	c 4.28235 61.9961 8741 48430
4.40/4.47	o -79
7.99/8.03	c 7.71983 61.9961 1133 70161
7.99/8.03	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-2667682-1276687170/watcher-2667682-1276687170 -o /tmp/evaluation-result-2667682-1276687170/solver-2667682-1276687170 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667682-1276687170.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: 0.92 1.01 0.99 3/106 15879
/proc/meminfo: memFree=1740772/2059040 swapFree=4164932/4192956
[pid=15879] ppid=15877 vsize=2208 CPUtime=0
/proc/15879/stat : 15879 (pbct) R 15877 15879 15715 0 -1 4202496 258 0 0 0 0 0 0 0 20 0 1 0 10008457 2260992 181 1992294400 134512640 136485738 4290516544 18446744073709551615 134538152 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15879/statm: 552 181 156 482 0 68 0

[startup+0.07759 s]
/proc/loadavg: 0.92 1.01 0.99 3/106 15879
/proc/meminfo: memFree=1740772/2059040 swapFree=4164932/4192956
[pid=15879] ppid=15877 vsize=2340 CPUtime=0.07
/proc/15879/stat : 15879 (pbct) R 15877 15879 15715 0 -1 4202496 300 0 0 0 7 0 0 0 20 0 1 0 10008457 2396160 223 1992294400 134512640 136485738 4290516544 18446744073709551615 135419078 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15879/statm: 585 223 156 482 0 101 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2340

[startup+0.101591 s]
/proc/loadavg: 0.92 1.01 0.99 3/106 15879
/proc/meminfo: memFree=1740772/2059040 swapFree=4164932/4192956
[pid=15879] ppid=15877 vsize=2472 CPUtime=0.1
/proc/15879/stat : 15879 (pbct) R 15877 15879 15715 0 -1 4202496 313 0 0 0 10 0 0 0 20 0 1 0 10008457 2531328 236 1992294400 134512640 136485738 4290516544 18446744073709551615 135844717 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15879/statm: 618 236 156 482 0 134 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2472

[startup+0.30161 s]
/proc/loadavg: 0.92 1.01 0.99 3/106 15879
/proc/meminfo: memFree=1740772/2059040 swapFree=4164932/4192956
[pid=15879] ppid=15877 vsize=3000 CPUtime=0.29
/proc/15879/stat : 15879 (pbct) R 15877 15879 15715 0 -1 4202496 434 0 0 0 29 0 0 0 20 0 1 0 10008457 3072000 357 1992294400 134512640 136485738 4290516544 18446744073709551615 135173322 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15879/statm: 750 357 156 482 0 266 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3000

[startup+0.701645 s]
/proc/loadavg: 0.92 1.01 0.99 3/106 15879
/proc/meminfo: memFree=1740772/2059040 swapFree=4164932/4192956
[pid=15879] ppid=15877 vsize=24240 CPUtime=0.69
/proc/15879/stat : 15879 (pbct) R 15877 15879 15715 0 -1 4202496 6047 0 0 0 67 2 0 0 20 0 1 0 10008457 24821760 5500 1992294400 134512640 136485738 4290516544 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15879/statm: 6060 5500 194 482 0 5576 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 24240

[startup+1.50172 s]
/proc/loadavg: 0.92 1.01 0.99 2/107 15880
/proc/meminfo: memFree=1683724/2059040 swapFree=4164932/4192956
[pid=15879] ppid=15877 vsize=61348 CPUtime=1.49
/proc/15879/stat : 15879 (pbct) R 15877 15879 15715 0 -1 4202496 15753 0 0 0 140 9 0 0 23 0 1 0 10008457 62820352 14580 1992294400 134512640 136485738 4290516544 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15879/statm: 15337 14580 243 482 0 14853 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 61348

[startup+3.10086 s]
/proc/loadavg: 0.92 1.01 0.99 2/107 15880
/proc/meminfo: memFree=1681864/2059040 swapFree=4164932/4192956
[pid=15879] ppid=15877 vsize=63064 CPUtime=3.09
/proc/15879/stat : 15879 (pbct) R 15877 15879 15715 0 -1 4202496 16165 0 0 0 295 14 0 0 25 0 1 0 10008457 64577536 14991 1992294400 134512640 136485738 4290516544 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15879/statm: 15766 14991 243 482 0 15282 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 63064

[startup+6.30115 s]
/proc/loadavg: 0.93 1.01 0.99 2/107 15880
/proc/meminfo: memFree=1680748/2059040 swapFree=4164932/4192956
[pid=15879] ppid=15877 vsize=63480 CPUtime=6.29
/proc/15879/stat : 15879 (pbct) R 15877 15879 15715 0 -1 4202496 16275 0 0 0 604 25 0 0 25 0 1 0 10008457 65003520 15100 1992294400 134512640 136485738 4290516544 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15879/statm: 15870 15100 243 482 0 15386 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 63480

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

[startup+7.10122 s]
/proc/loadavg: 0.93 1.01 0.99 2/107 15880
/proc/meminfo: memFree=1680748/2059040 swapFree=4164932/4192956
[pid=15879] ppid=15877 vsize=63480 CPUtime=7.09
/proc/15879/stat : 15879 (pbct) R 15877 15879 15715 0 -1 4202496 16275 0 0 0 681 28 0 0 25 0 1 0 10008457 65003520 15100 1992294400 134512640 136485738 4290516544 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15879/statm: 15870 15100 243 482 0 15386 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 63480

[startup+7.90129 s]
/proc/loadavg: 0.93 1.01 0.99 2/107 15880
/proc/meminfo: memFree=1680748/2059040 swapFree=4164932/4192956
[pid=15879] ppid=15877 vsize=63480 CPUtime=7.89
/proc/15879/stat : 15879 (pbct) R 15877 15879 15715 0 -1 4202496 16275 0 0 0 758 31 0 0 25 0 1 0 10008457 65003520 15100 1992294400 134512640 136485738 4290516544 18446744073709551615 134880510 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15879/statm: 15870 15100 243 482 0 15386 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 63480

[startup+8.10131 s]
/proc/loadavg: 0.93 1.01 0.99 2/107 15880
/proc/meminfo: memFree=1680748/2059040 swapFree=4164932/4192956
[pid=15879] ppid=15877 vsize=59600 CPUtime=8.09
/proc/15879/stat : 15879 (pbct) R 15877 15879 15715 0 -1 4202496 16280 0 0 0 778 31 0 0 25 0 1 0 10008457 61030400 14206 1992294400 134512640 136485738 4290516544 18446744073709551615 135839991 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15879/statm: 14900 14206 247 482 0 14416 0
Current children cumulated CPU time (s) 8.09
Current children cumulated vsize (KiB) 59600

[startup+8.20132 s]
/proc/loadavg: 0.93 1.01 0.99 2/107 15880
/proc/meminfo: memFree=1680748/2059040 swapFree=4164932/4192956
[pid=15879] ppid=15877 vsize=59600 CPUtime=8.19
/proc/15879/stat : 15879 (pbct) R 15877 15879 15715 0 -1 4202496 16280 0 0 0 788 31 0 0 25 0 1 0 10008457 61030400 14206 1992294400 134512640 136485738 4290516544 18446744073709551615 135839787 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15879/statm: 14900 14206 247 482 0 14416 0
Current children cumulated CPU time (s) 8.19
Current children cumulated vsize (KiB) 59600

Child status: 0
Real time (s): 8.29165
CPU time (s): 8.28974
CPU user time (s): 7.96579
CPU system time (s): 0.32395
CPU usage (%): 99.9769
Max. virtual memory (cumulated for all children) (KiB): 63480

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.96579
system time used= 0.32395
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16281
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= 2
involuntary context switches= 113

runsolver used 0.017997 second user time and 0.045993 second system time

The end

Launcher Data 

Begin job on node051 at 2010-06-16 13:19:30
IDJOB=2667682
IDBENCH=71836
IDSOLVER=1170
FILE ID=node051/2667682-1276687170
PBS_JOBID= 11172594
Free space on /tmp= 62564 MiB

SOLVER NAME= PB/CT 0.1
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-2667682-1276687170/watcher-2667682-1276687170 -o /tmp/evaluation-result-2667682-1276687170/solver-2667682-1276687170 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667682-1276687170.opb

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

MD5SUM BENCH= 3178a50232316e72958589cc9e9cd436
RANDOM SEED=1091522784

node051.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		: 3000.255
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		: 3000.255
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	: 5599.43
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1741176 kB
Buffers:         73408 kB
Cached:         132936 kB
SwapCached:       1444 kB
Active:          95296 kB
Inactive:       143908 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1741176 kB
SwapTotal:     4192956 kB
SwapFree:      4164932 kB
Dirty:            2916 kB
Writeback:           0 kB
AnonPages:       31424 kB
Mapped:          14872 kB
Slab:            56844 kB
PageTables:       3976 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181424 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= 62560 MiB
End job on node051 at 2010-06-16 13:19:38