Trace number 2682455

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 NameAnswerCPU timeWall clock time
PB/CT 0.1 fixedUNSAT 17.7273 17.7327

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111217555.opb
MD5SUM6e4ce17645d1ea8394af123256e7adc9
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark0.246961
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables169
Total number of constraints101
Number of constraints which are clauses30
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint169
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 38
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 1222
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

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
0.00/0.00	c constraints 71/0 clauses 30/0 units 0
0.00/0.00	c vars 169
17.68/17.71	c 16.0336 7.90234 1697 93215
17.68/17.73	s UNSATISFIABLE

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2682455-1277475631/watcher-2682455-1277475631 -o /tmp/evaluation-result-2682455-1277475631/solver-2682455-1277475631 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682455-1277475631.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: 0.00 0.00 0.00 3/106 23657
/proc/meminfo: memFree=1828908/2059040 swapFree=4139492/4192956
[pid=23657] ppid=23655 vsize=3444 CPUtime=0
/proc/23657/stat : 23657 (pbct) R 23655 23657 23632 0 -1 4202496 570 0 0 0 0 0 0 0 20 0 1 0 123164596 3526656 489 1992294400 134512640 136421960 4293661824 18446744073709551615 134632264 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23657/statm: 861 489 193 467 0 392 0

[startup+0.0760819 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 23657
/proc/meminfo: memFree=1828908/2059040 swapFree=4139492/4192956
[pid=23657] ppid=23655 vsize=7328 CPUtime=0.06
/proc/23657/stat : 23657 (pbct) R 23655 23657 23632 0 -1 4202496 1537 0 0 0 6 0 0 0 20 0 1 0 123164596 7503872 1456 1992294400 134512640 136421960 4293661824 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23657/statm: 1832 1456 213 467 0 1363 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 7328

[startup+0.101085 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 23657
/proc/meminfo: memFree=1828908/2059040 swapFree=4139492/4192956
[pid=23657] ppid=23655 vsize=7328 CPUtime=0.09
/proc/23657/stat : 23657 (pbct) R 23655 23657 23632 0 -1 4202496 1541 0 0 0 8 1 0 0 20 0 1 0 123164596 7503872 1460 1992294400 134512640 136421960 4293661824 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23657/statm: 1832 1460 213 467 0 1363 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7328

[startup+0.301111 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 23657
/proc/meminfo: memFree=1828908/2059040 swapFree=4139492/4192956
[pid=23657] ppid=23655 vsize=7456 CPUtime=0.29
/proc/23657/stat : 23657 (pbct) R 23655 23657 23632 0 -1 4202496 1587 0 0 0 27 2 0 0 20 0 1 0 123164596 7634944 1506 1992294400 134512640 136421960 4293661824 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23657/statm: 1864 1506 213 467 0 1395 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7456

[startup+0.701163 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 23657
/proc/meminfo: memFree=1828908/2059040 swapFree=4139492/4192956
[pid=23657] ppid=23655 vsize=7712 CPUtime=0.69
/proc/23657/stat : 23657 (pbct) R 23655 23657 23632 0 -1 4202496 1624 0 0 0 63 6 0 0 21 0 1 0 123164596 7897088 1543 1992294400 134512640 136421960 4293661824 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23657/statm: 1928 1543 213 467 0 1459 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7712

[startup+1.50127 s]
/proc/loadavg: 0.00 0.00 0.00 2/107 23658
/proc/meminfo: memFree=1823444/2059040 swapFree=4139492/4192956
[pid=23657] ppid=23655 vsize=7840 CPUtime=1.49
/proc/23657/stat : 23657 (pbct) R 23655 23657 23632 0 -1 4202496 1656 0 0 0 134 15 0 0 23 0 1 0 123164596 8028160 1575 1992294400 134512640 136421960 4293661824 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23657/statm: 1960 1575 213 467 0 1491 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7840

[startup+3.10148 s]
/proc/loadavg: 0.08 0.02 0.01 2/107 23658
/proc/meminfo: memFree=1823072/2059040 swapFree=4139492/4192956
[pid=23657] ppid=23655 vsize=7840 CPUtime=3.09
/proc/23657/stat : 23657 (pbct) R 23655 23657 23632 0 -1 4202496 1683 0 0 0 280 29 0 0 25 0 1 0 123164596 8028160 1602 1992294400 134512640 136421960 4293661824 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23657/statm: 1960 1602 213 467 0 1491 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7840

[startup+6.30089 s]
/proc/loadavg: 0.08 0.02 0.01 2/107 23658
/proc/meminfo: memFree=1822824/2059040 swapFree=4139492/4192956
[pid=23657] ppid=23655 vsize=8100 CPUtime=6.29
/proc/23657/stat : 23657 (pbct) R 23655 23657 23632 0 -1 4202496 1719 0 0 0 569 60 0 0 25 0 1 0 123164596 8294400 1638 1992294400 134512640 136421960 4293661824 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23657/statm: 2025 1638 213 467 0 1556 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 8100

[startup+12.7007 s]
/proc/loadavg: 0.22 0.05 0.02 2/107 23660
/proc/meminfo: memFree=1822576/2059040 swapFree=4139492/4192956
[pid=23657] ppid=23655 vsize=8088 CPUtime=12.69
/proc/23657/stat : 23657 (pbct) R 23655 23657 23632 0 -1 4202496 1727 0 0 0 1146 123 0 0 25 0 1 0 123164596 8282112 1646 1992294400 134512640 136421960 4293661824 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23657/statm: 2022 1646 213 467 0 1553 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8088

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

[startup+15.9012 s]
/proc/loadavg: 0.22 0.05 0.02 2/107 23660
/proc/meminfo: memFree=1822576/2059040 swapFree=4139492/4192956
[pid=23657] ppid=23655 vsize=8088 CPUtime=15.89
/proc/23657/stat : 23657 (pbct) R 23655 23657 23632 0 -1 4202496 1737 0 0 0 1439 150 0 0 25 0 1 0 123164596 8282112 1656 1992294400 134512640 136421960 4293661824 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23657/statm: 2022 1656 213 467 0 1553 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 8088

[startup+16.7013 s]
/proc/loadavg: 0.28 0.06 0.02 2/107 23660
/proc/meminfo: memFree=1822576/2059040 swapFree=4139492/4192956
[pid=23657] ppid=23655 vsize=8088 CPUtime=16.68
/proc/23657/stat : 23657 (pbct) R 23655 23657 23632 0 -1 4202496 1737 0 0 0 1510 158 0 0 25 0 1 0 123164596 8282112 1656 1992294400 134512640 136421960 4293661824 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23657/statm: 2022 1656 213 467 0 1553 0
Current children cumulated CPU time (s) 16.68
Current children cumulated vsize (KiB) 8088

[startup+17.5014 s]
/proc/loadavg: 0.28 0.06 0.02 2/107 23660
/proc/meminfo: memFree=1822576/2059040 swapFree=4139492/4192956
[pid=23657] ppid=23655 vsize=8088 CPUtime=17.49
/proc/23657/stat : 23657 (pbct) R 23655 23657 23632 0 -1 4202496 1737 0 0 0 1583 166 0 0 25 0 1 0 123164596 8282112 1656 1992294400 134512640 136421960 4293661824 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23657/statm: 2022 1656 213 467 0 1553 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 8088

[startup+17.7015 s]
/proc/loadavg: 0.28 0.06 0.02 2/107 23660
/proc/meminfo: memFree=1822576/2059040 swapFree=4139492/4192956
[pid=23657] ppid=23655 vsize=8088 CPUtime=17.68
/proc/23657/stat : 23657 (pbct) R 23655 23657 23632 0 -1 4202496 1737 0 0 0 1601 167 0 0 25 0 1 0 123164596 8282112 1656 1992294400 134512640 136421960 4293661824 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23657/statm: 2022 1656 213 467 0 1553 0
Current children cumulated CPU time (s) 17.68
Current children cumulated vsize (KiB) 8088

Child status: 0
Real time (s): 17.7327
CPU time (s): 17.7273
CPU user time (s): 16.0466
CPU system time (s): 1.68074
CPU usage (%): 99.9696
Max. virtual memory (cumulated for all children) (KiB): 8100

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 16.0466
system time used= 1.68074
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1763
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= 79

runsolver used 0.029995 second user time and 0.094985 second system time

The end

Launcher Data 

Begin job on node013 at 2010-06-25 16:20:31
IDJOB=2682455
IDBENCH=1193
IDSOLVER=1192
FILE ID=node013/2682455-1277475631
PBS_JOBID= 11190523
Free space on /tmp= 62404 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111217555.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682455-1277475631/watcher-2682455-1277475631 -o /tmp/evaluation-result-2682455-1277475631/solver-2682455-1277475631 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682455-1277475631.opb

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

MD5SUM BENCH= 6e4ce17645d1ea8394af123256e7adc9
RANDOM SEED=420229504

node013.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		: 3000.253
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	: 6000.50
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		: 3000.253
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:       1829436 kB
Buffers:         42396 kB
Cached:          86044 kB
SwapCached:       5972 kB
Active:          67428 kB
Inactive:        74392 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1829436 kB
SwapTotal:     4192956 kB
SwapFree:      4139492 kB
Dirty:            2124 kB
Writeback:           0 kB
AnonPages:       12084 kB
Mapped:          11896 kB
Slab:            65824 kB
PageTables:       4164 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181564 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= 62400 MiB
End job on node013 at 2010-06-25 16:20:49