Trace number 2682516

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 16.0416 16.0442

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111227012.opb
MD5SUMf1ef73d71b7207a4f4673a4d36adcee2
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 benchmark0.152976
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 1220
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
15.98/16.03	c 14.4548 7.79297 146 86768
15.98/16.04	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-2682516-1277475667/watcher-2682516-1277475667 -o /tmp/evaluation-result-2682516-1277475667/solver-2682516-1277475667 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682516-1277475667.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: 0.44 0.11 0.03 3/106 30267
/proc/meminfo: memFree=1774172/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=3444 CPUtime=0
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 553 0 0 0 0 0 0 0 18 0 1 0 123170640 3526656 473 1992294400 134512640 136421960 4287058576 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 861 474 193 467 0 392 0

[startup+0.0302241 s]
/proc/loadavg: 0.44 0.11 0.03 3/106 30267
/proc/meminfo: memFree=1774172/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=5020 CPUtime=0.02
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 966 0 0 0 2 0 0 0 20 0 1 0 123170640 5140480 886 1992294400 134512640 136421960 4287058576 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 1255 887 193 467 0 786 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5020

[startup+0.101232 s]
/proc/loadavg: 0.44 0.11 0.03 3/106 30267
/proc/meminfo: memFree=1774172/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=7336 CPUtime=0.09
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 1544 0 0 0 9 0 0 0 20 0 1 0 123170640 7512064 1464 1992294400 134512640 136421960 4287058576 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 1834 1464 213 467 0 1365 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7336

[startup+0.301252 s]
/proc/loadavg: 0.44 0.11 0.03 3/106 30267
/proc/meminfo: memFree=1774172/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=7464 CPUtime=0.29
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 1582 0 0 0 26 3 0 0 20 0 1 0 123170640 7643136 1502 1992294400 134512640 136421960 4287058576 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 1866 1502 213 467 0 1397 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7464

[startup+0.701293 s]
/proc/loadavg: 0.44 0.11 0.03 3/106 30267
/proc/meminfo: memFree=1774172/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=7592 CPUtime=0.69
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 1602 0 0 0 62 7 0 0 21 0 1 0 123170640 7774208 1522 1992294400 134512640 136421960 4287058576 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 1898 1522 213 467 0 1429 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7592

[startup+1.50137 s]
/proc/loadavg: 0.49 0.12 0.04 2/107 30268
/proc/meminfo: memFree=1768708/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=7592 CPUtime=1.49
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 1619 0 0 0 135 14 0 0 23 0 1 0 123170640 7774208 1539 1992294400 134512640 136421960 4287058576 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 1898 1539 213 467 0 1429 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7592

[startup+3.10054 s]
/proc/loadavg: 0.49 0.12 0.04 2/107 30268
/proc/meminfo: memFree=1768336/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=7720 CPUtime=3.09
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 1643 0 0 0 278 31 0 0 25 0 1 0 123170640 7905280 1563 1992294400 134512640 136421960 4287058576 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 1930 1563 213 467 0 1461 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7720

[startup+6.30086 s]
/proc/loadavg: 0.49 0.12 0.04 2/107 30268
/proc/meminfo: memFree=1768088/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=7976 CPUtime=6.29
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 1689 0 0 0 566 63 0 0 25 0 1 0 123170640 8167424 1609 1992294400 134512640 136421960 4287058576 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 1994 1609 213 467 0 1525 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7976

[startup+12.7005 s]
/proc/loadavg: 0.64 0.17 0.05 2/107 30268
/proc/meminfo: memFree=1767840/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=7976 CPUtime=12.69
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 1711 0 0 0 1143 126 0 0 25 0 1 0 123170640 8167424 1631 1992294400 134512640 136421960 4287058576 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 1994 1631 213 467 0 1525 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 7976

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

[startup+14.3087 s]
/proc/loadavg: 0.64 0.17 0.05 2/107 30268
/proc/meminfo: memFree=1767840/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=7976 CPUtime=14.29
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 1711 0 0 0 1289 140 0 0 25 0 1 0 123170640 8167424 1631 1992294400 134512640 136421960 4287058576 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 1994 1631 213 467 0 1525 0
Current children cumulated CPU time (s) 14.29
Current children cumulated vsize (KiB) 7976

[startup+15.1008 s]
/proc/loadavg: 0.64 0.17 0.05 2/107 30268
/proc/meminfo: memFree=1767840/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=7976 CPUtime=15.09
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 1711 0 0 0 1361 148 0 0 25 0 1 0 123170640 8167424 1631 1992294400 134512640 136421960 4287058576 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 1994 1631 213 467 0 1525 0
Current children cumulated CPU time (s) 15.09
Current children cumulated vsize (KiB) 7976

[startup+15.5008 s]
/proc/loadavg: 0.64 0.17 0.05 2/107 30268
/proc/meminfo: memFree=1767840/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=7976 CPUtime=15.48
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 1711 0 0 0 1397 151 0 0 25 0 1 0 123170640 8167424 1631 1992294400 134512640 136421960 4287058576 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 1994 1631 213 467 0 1525 0
Current children cumulated CPU time (s) 15.48
Current children cumulated vsize (KiB) 7976

[startup+15.9008 s]
/proc/loadavg: 0.64 0.17 0.05 2/107 30268
/proc/meminfo: memFree=1767840/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=7976 CPUtime=15.89
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 1711 0 0 0 1433 156 0 0 25 0 1 0 123170640 8167424 1631 1992294400 134512640 136421960 4287058576 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 1994 1631 213 467 0 1525 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 7976

[startup+16.0009 s]
/proc/loadavg: 0.64 0.17 0.05 2/107 30268
/proc/meminfo: memFree=1767840/2059040 swapFree=4135576/4192956
[pid=30267] ppid=30265 vsize=7976 CPUtime=15.98
/proc/30267/stat : 30267 (pbct) R 30265 30267 30159 0 -1 4202496 1711 0 0 0 1442 156 0 0 25 0 1 0 123170640 8167424 1631 1992294400 134512640 136421960 4287058576 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30267/statm: 1994 1631 213 467 0 1525 0
Current children cumulated CPU time (s) 15.98
Current children cumulated vsize (KiB) 7976

Child status: 0
Real time (s): 16.0442
CPU time (s): 16.0416
CPU user time (s): 14.4678
CPU system time (s): 1.57376
CPU usage (%): 99.9837
Max. virtual memory (cumulated for all children) (KiB): 7976

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 14.4678
system time used= 1.57376
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1737
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= 220

runsolver used 0.021996 second user time and 0.087986 second system time

The end

Launcher Data 

Begin job on node002 at 2010-06-25 16:21:07
IDJOB=2682516
IDBENCH=1254
IDSOLVER=1192
FILE ID=node002/2682516-1277475667
PBS_JOBID= 11190533
Free space on /tmp= 62412 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111227012.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682516-1277475667/watcher-2682516-1277475667 -o /tmp/evaluation-result-2682516-1277475667/solver-2682516-1277475667 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682516-1277475667.opb

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

MD5SUM BENCH= f1ef73d71b7207a4f4673a4d36adcee2
RANDOM SEED=356900913

node002.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		: 3000.242
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	: 6000.48
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		: 3000.242
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	: 5599.36
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1774576 kB
Buffers:         36972 kB
Cached:         147692 kB
SwapCached:       9840 kB
Active:          68036 kB
Inactive:       129556 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1774576 kB
SwapTotal:     4192956 kB
SwapFree:      4135576 kB
Dirty:            2164 kB
Writeback:           0 kB
AnonPages:       11532 kB
Mapped:           8380 kB
Slab:            64884 kB
PageTables:       4208 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181576 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= 62412 MiB
End job on node002 at 2010-06-25 16:21:23