Trace number 2682525

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 18.7222 18.7283

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111223004.opb
MD5SUM651d3a6cc64ca34df144139e51ae2bf7
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 benchmark0.349946
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 1227
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
18.70/18.71	c 16.9454 7.92969 836 95245
18.70/18.72	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-2682525-1277475670/watcher-2682525-1277475670 -o /tmp/evaluation-result-2682525-1277475670/solver-2682525-1277475670 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682525-1277475670.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: 0.45 0.12 0.04 3/106 21781
/proc/meminfo: memFree=1824708/2059040 swapFree=4139972/4192956
[pid=21781] ppid=21779 vsize=3444 CPUtime=0
/proc/21781/stat : 21781 (pbct) R 21779 21781 21700 0 -1 4202496 555 0 0 0 0 0 0 0 25 0 1 0 123168733 3526656 475 1992294400 134512640 136421960 4288224064 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21781/statm: 861 476 193 467 0 392 0

[startup+0.0218371 s]
/proc/loadavg: 0.45 0.12 0.04 3/106 21781
/proc/meminfo: memFree=1824708/2059040 swapFree=4139972/4192956
[pid=21781] ppid=21779 vsize=4492 CPUtime=0.02
/proc/21781/stat : 21781 (pbct) R 21779 21781 21700 0 -1 4202496 817 0 0 0 2 0 0 0 25 0 1 0 123168733 4599808 736 1992294400 134512640 136421960 4288224064 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21781/statm: 1123 737 193 467 0 654 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 4492

[startup+0.100846 s]
/proc/loadavg: 0.45 0.12 0.04 3/106 21781
/proc/meminfo: memFree=1824708/2059040 swapFree=4139972/4192956
[pid=21781] ppid=21779 vsize=7336 CPUtime=0.09
/proc/21781/stat : 21781 (pbct) R 21779 21781 21700 0 -1 4202496 1539 0 0 0 9 0 0 0 25 0 1 0 123168733 7512064 1458 1992294400 134512640 136421960 4288224064 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21781/statm: 1834 1458 213 467 0 1365 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7336

[startup+0.300867 s]
/proc/loadavg: 0.45 0.12 0.04 3/106 21781
/proc/meminfo: memFree=1824708/2059040 swapFree=4139972/4192956
[pid=21781] ppid=21779 vsize=7468 CPUtime=0.29
/proc/21781/stat : 21781 (pbct) R 21779 21781 21700 0 -1 4202496 1581 0 0 0 27 2 0 0 25 0 1 0 123168733 7647232 1500 1992294400 134512640 136421960 4288224064 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21781/statm: 1867 1500 213 467 0 1398 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7468

[startup+0.700912 s]
/proc/loadavg: 0.45 0.12 0.04 3/106 21781
/proc/meminfo: memFree=1824708/2059040 swapFree=4139972/4192956
[pid=21781] ppid=21779 vsize=7600 CPUtime=0.69
/proc/21781/stat : 21781 (pbct) R 21779 21781 21700 0 -1 4202496 1607 0 0 0 63 6 0 0 25 0 1 0 123168733 7782400 1526 1992294400 134512640 136421960 4288224064 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21781/statm: 1900 1526 213 467 0 1431 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7600

[startup+1.501 s]
/proc/loadavg: 0.45 0.12 0.04 2/107 21782
/proc/meminfo: memFree=1819244/2059040 swapFree=4139972/4192956
[pid=21781] ppid=21779 vsize=7728 CPUtime=1.49
/proc/21781/stat : 21781 (pbct) R 21779 21781 21700 0 -1 4202496 1649 0 0 0 135 14 0 0 25 0 1 0 123168733 7913472 1568 1992294400 134512640 136421960 4288224064 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21781/statm: 1932 1568 213 467 0 1463 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7728

[startup+3.10118 s]
/proc/loadavg: 0.45 0.12 0.04 2/107 21782
/proc/meminfo: memFree=1819120/2059040 swapFree=4139972/4192956
[pid=21781] ppid=21779 vsize=7860 CPUtime=3.09
/proc/21781/stat : 21781 (pbct) R 21779 21781 21700 0 -1 4202496 1675 0 0 0 279 30 0 0 25 0 1 0 123168733 8048640 1594 1992294400 134512640 136421960 4288224064 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21781/statm: 1965 1594 213 467 0 1496 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7860

[startup+6.30053 s]
/proc/loadavg: 0.49 0.14 0.04 2/107 21782
/proc/meminfo: memFree=1818748/2059040 swapFree=4139972/4192956
[pid=21781] ppid=21779 vsize=7988 CPUtime=6.29
/proc/21781/stat : 21781 (pbct) R 21779 21781 21700 0 -1 4202496 1701 0 0 0 570 59 0 0 25 0 1 0 123168733 8179712 1620 1992294400 134512640 136421960 4288224064 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21781/statm: 1997 1620 213 467 0 1528 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7988

[startup+12.7012 s]
/proc/loadavg: 0.53 0.15 0.05 2/107 21782
/proc/meminfo: memFree=1818376/2059040 swapFree=4139972/4192956
[pid=21781] ppid=21779 vsize=8116 CPUtime=12.69
/proc/21781/stat : 21781 (pbct) R 21779 21781 21700 0 -1 4202496 1734 0 0 0 1149 120 0 0 25 0 1 0 123168733 8310784 1653 1992294400 134512640 136421960 4288224064 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21781/statm: 2029 1653 213 467 0 1560 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8116

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

[startup+15.9006 s]
/proc/loadavg: 0.57 0.16 0.05 2/107 21782
/proc/meminfo: memFree=1818376/2059040 swapFree=4139972/4192956
[pid=21781] ppid=21779 vsize=8116 CPUtime=15.88
/proc/21781/stat : 21781 (pbct) R 21779 21781 21700 0 -1 4202496 1735 0 0 0 1440 148 0 0 25 0 1 0 123168733 8310784 1654 1992294400 134512640 136421960 4288224064 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21781/statm: 2029 1654 213 467 0 1560 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 8116

[startup+17.5008 s]
/proc/loadavg: 0.57 0.16 0.05 2/107 21782
/proc/meminfo: memFree=1818376/2059040 swapFree=4139972/4192956
[pid=21781] ppid=21779 vsize=8116 CPUtime=17.49
/proc/21781/stat : 21781 (pbct) R 21779 21781 21700 0 -1 4202496 1735 0 0 0 1586 163 0 0 25 0 1 0 123168733 8310784 1654 1992294400 134512640 136421960 4288224064 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21781/statm: 2029 1654 213 467 0 1560 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 8116

[startup+18.3009 s]
/proc/loadavg: 0.57 0.16 0.05 2/107 21782
/proc/meminfo: memFree=1818376/2059040 swapFree=4139972/4192956
[pid=21781] ppid=21779 vsize=8116 CPUtime=18.28
/proc/21781/stat : 21781 (pbct) R 21779 21781 21700 0 -1 4202496 1735 0 0 0 1657 171 0 0 25 0 1 0 123168733 8310784 1654 1992294400 134512640 136421960 4288224064 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21781/statm: 2029 1654 213 467 0 1560 0
Current children cumulated CPU time (s) 18.28
Current children cumulated vsize (KiB) 8116

[startup+18.7089 s]
/proc/loadavg: 0.57 0.16 0.05 2/107 21782
/proc/meminfo: memFree=1818376/2059040 swapFree=4139972/4192956
[pid=21781] ppid=21779 vsize=8116 CPUtime=18.7
/proc/21781/stat : 21781 (pbct) R 21779 21781 21700 0 -1 4202496 1735 0 0 0 1694 176 0 0 25 0 1 0 123168733 8310784 1654 1992294400 134512640 136421960 4288224064 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21781/statm: 2029 1654 213 467 0 1560 0
Current children cumulated CPU time (s) 18.7
Current children cumulated vsize (KiB) 8116

Child status: 0
Real time (s): 18.7283
CPU time (s): 18.7222
CPU user time (s): 16.9584
CPU system time (s): 1.76373
CPU usage (%): 99.967
Max. virtual memory (cumulated for all children) (KiB): 8116

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 16.9584
system time used= 1.76373
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1761
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= 55

runsolver used 0.033994 second user time and 0.098984 second system time

The end

Launcher Data 

Begin job on node009 at 2010-06-25 16:21:10
IDJOB=2682525
IDBENCH=1263
IDSOLVER=1192
FILE ID=node009/2682525-1277475670
PBS_JOBID= 11190527
Free space on /tmp= 62400 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111223004.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682525-1277475670/watcher-2682525-1277475670 -o /tmp/evaluation-result-2682525-1277475670/solver-2682525-1277475670 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682525-1277475670.opb

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

MD5SUM BENCH= 651d3a6cc64ca34df144139e51ae2bf7
RANDOM SEED=900415008

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:       1825228 kB
Buffers:         40256 kB
Cached:          91576 kB
SwapCached:       5492 kB
Active:          63336 kB
Inactive:        81448 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1825228 kB
SwapTotal:     4192956 kB
SwapFree:      4139972 kB
Dirty:            1996 kB
Writeback:           0 kB
AnonPages:       11464 kB
Mapped:          11932 kB
Slab:            67060 kB
PageTables:       4212 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181980 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 node009 at 2010-06-25 16:21:29