Trace number 2668840

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 0.1UNSAT 33.8988 33.9098

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111218308.opb
MD5SUM28297d3dd3c89d140e0fa9fe7bad5229
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 benchmark0.242962
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 1154
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 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
33.78/33.89	c 30.6943 8.22656 947 178475
33.88/33.90	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-2668840-1276431975/watcher-2668840-1276431975 -o /tmp/evaluation-result-2668840-1276431975/solver-2668840-1276431975 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668840-1276431975.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: 0.94 0.98 0.99 3/106 23080
/proc/meminfo: memFree=1833004/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=3384 CPUtime=0
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 535 0 0 0 0 0 0 0 17 0 1 0 18801001 3465216 458 1992294400 134512640 136485738 4290228688 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 846 461 191 482 0 362 0

[startup+0.0181669 s]
/proc/loadavg: 0.94 0.98 0.99 3/106 23080
/proc/meminfo: memFree=1833004/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=4172 CPUtime=0.01
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 732 0 0 0 1 0 0 0 17 0 1 0 18801001 4272128 655 1992294400 134512640 136485738 4290228688 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 1043 655 196 482 0 559 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 4172

[startup+0.101182 s]
/proc/loadavg: 0.94 0.98 0.99 3/106 23080
/proc/meminfo: memFree=1833004/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=7408 CPUtime=0.1
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 1547 0 0 0 9 1 0 0 17 0 1 0 18801001 7585792 1470 1992294400 134512640 136485738 4290228688 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 1852 1470 223 482 0 1368 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 7408

[startup+0.300219 s]
/proc/loadavg: 0.94 0.98 0.99 3/106 23080
/proc/meminfo: memFree=1833004/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=7536 CPUtime=0.29
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 1590 0 0 0 26 3 0 0 17 0 1 0 18801001 7716864 1513 1992294400 134512640 136485738 4290228688 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 1884 1513 223 482 0 1400 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7536

[startup+0.700293 s]
/proc/loadavg: 0.94 0.98 0.99 3/106 23080
/proc/meminfo: memFree=1833004/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=7664 CPUtime=0.69
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 1612 0 0 0 62 7 0 0 17 0 1 0 18801001 7847936 1535 1992294400 134512640 136485738 4290228688 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 1916 1535 223 482 0 1432 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7664

[startup+1.50044 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 23081
/proc/meminfo: memFree=1827540/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=7792 CPUtime=1.49
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 1651 0 0 0 134 15 0 0 18 0 1 0 18801001 7979008 1574 1992294400 134512640 136485738 4290228688 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 1948 1574 223 482 0 1464 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7792

[startup+3.10074 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 23081
/proc/meminfo: memFree=1827168/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=7920 CPUtime=3.09
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 1668 0 0 0 278 31 0 0 21 0 1 0 18801001 8110080 1591 1992294400 134512640 136485738 4290228688 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 1980 1591 223 482 0 1496 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7920

[startup+6.30033 s]
/proc/loadavg: 0.95 0.98 0.99 2/107 23081
/proc/meminfo: memFree=1826920/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=8040 CPUtime=6.29
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 1702 0 0 0 569 60 0 0 25 0 1 0 18801001 8232960 1625 1992294400 134512640 136485738 4290228688 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 2010 1625 223 482 0 1526 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 8040

[startup+12.7015 s]
/proc/loadavg: 0.95 0.98 0.99 2/107 23081
/proc/meminfo: memFree=1826672/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=8168 CPUtime=12.68
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 1747 0 0 0 1147 121 0 0 25 0 1 0 18801001 8364032 1670 1992294400 134512640 136485738 4290228688 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 2042 1670 223 482 0 1558 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 8168

[startup+25.5019 s]
/proc/loadavg: 0.96 0.98 0.99 2/107 23081
/proc/meminfo: memFree=1826548/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=8420 CPUtime=25.49
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 1783 0 0 0 2309 240 0 0 25 0 1 0 18801001 8622080 1706 1992294400 134512640 136485738 4290228688 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 2105 1706 223 482 0 1621 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 8420

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

[startup+28.7015 s]
/proc/loadavg: 0.96 0.98 0.99 2/107 23081
/proc/meminfo: memFree=1826548/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=8420 CPUtime=28.68
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 1783 0 0 0 2598 270 0 0 25 0 1 0 18801001 8622080 1706 1992294400 134512640 136485738 4290228688 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 2105 1706 223 482 0 1621 0
Current children cumulated CPU time (s) 28.68
Current children cumulated vsize (KiB) 8420

[startup+31.9081 s]
/proc/loadavg: 0.96 0.98 0.99 2/107 23081
/proc/meminfo: memFree=1826548/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=8420 CPUtime=31.89
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 1787 0 0 0 2888 301 0 0 25 0 1 0 18801001 8622080 1710 1992294400 134512640 136485738 4290228688 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 2105 1710 223 482 0 1621 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 8420

[startup+32.7012 s]
/proc/loadavg: 0.96 0.98 0.99 2/107 23081
/proc/meminfo: memFree=1826548/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=8420 CPUtime=32.68
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 1787 0 0 0 2961 307 0 0 25 0 1 0 18801001 8622080 1710 1992294400 134512640 136485738 4290228688 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 2105 1710 223 482 0 1621 0
Current children cumulated CPU time (s) 32.68
Current children cumulated vsize (KiB) 8420

[startup+33.5014 s]
/proc/loadavg: 0.97 0.98 0.99 2/107 23081
/proc/meminfo: memFree=1826548/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=8420 CPUtime=33.48
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 1787 0 0 0 3033 315 0 0 25 0 1 0 18801001 8622080 1710 1992294400 134512640 136485738 4290228688 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 2105 1710 223 482 0 1621 0
Current children cumulated CPU time (s) 33.48
Current children cumulated vsize (KiB) 8420

[startup+33.9014 s]
/proc/loadavg: 0.97 0.98 0.99 2/107 23081
/proc/meminfo: memFree=1826548/2059040 swapFree=4140476/4192956
[pid=23080] ppid=23078 vsize=7900 CPUtime=33.88
/proc/23080/stat : 23080 (pbct) R 23078 23080 23028 0 -1 4202496 1810 0 0 0 3069 319 0 0 25 0 1 0 18801001 8089600 1602 1992294400 134512640 136485738 4290228688 18446744073709551615 135839931 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23080/statm: 1975 1602 245 482 0 1491 0
Current children cumulated CPU time (s) 33.88
Current children cumulated vsize (KiB) 7900

Child status: 0
Real time (s): 33.9098
CPU time (s): 33.8988
CPU user time (s): 30.7063
CPU system time (s): 3.19251
CPU usage (%): 99.9677
Max. virtual memory (cumulated for all children) (KiB): 8424

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.7063
system time used= 3.19251
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1811
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= 58

runsolver used 0.06399 second user time and 0.165974 second system time

The end

Launcher Data 

Begin job on node007 at 2010-06-13 14:26:15
IDJOB=2668840
IDBENCH=1172
IDSOLVER=1170
FILE ID=node007/2668840-1276431975
PBS_JOBID= 11173317
Free space on /tmp= 62456 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111218308.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668840-1276431975/watcher-2668840-1276431975 -o /tmp/evaluation-result-2668840-1276431975/solver-2668840-1276431975 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668840-1276431975.opb

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

MD5SUM BENCH= 28297d3dd3c89d140e0fa9fe7bad5229
RANDOM SEED=589030463

node007.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		: 3000.264
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	: 6000.52
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		: 3000.264
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:       1833532 kB
Buffers:         23736 kB
Cached:         122624 kB
SwapCached:       6692 kB
Active:         101944 kB
Inactive:        57960 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1833532 kB
SwapTotal:     4192956 kB
SwapFree:      4140476 kB
Dirty:            2272 kB
Writeback:           0 kB
AnonPages:       11096 kB
Mapped:          13000 kB
Slab:            43836 kB
PageTables:       3916 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182100 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= 62456 MiB
End job on node007 at 2010-06-13 14:26:50