Trace number 2668894

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 17.1024 17.1072

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110968561.opb
MD5SUM6bd9689edc69ff7a2c6dd91eed3e12f3
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 benchmark0.181971
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 1247
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
16.99/17.09	c 15.4347 7.86328 821 88191
17.09/17.10	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-2668894-1276432231/watcher-2668894-1276432231 -o /tmp/evaluation-result-2668894-1276432231/solver-2668894-1276432231 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668894-1276432231.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: 0.99 0.97 0.99 3/106 23518
/proc/meminfo: memFree=1831456/2059040 swapFree=4140476/4192956
[pid=23518] ppid=23516 vsize=3384 CPUtime=0
/proc/23518/stat : 23518 (pbct) R 23516 23518 23028 0 -1 4202496 540 0 0 0 0 0 0 0 20 0 1 0 18826518 3465216 462 1992294400 134512640 136485738 4293903248 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23518/statm: 846 468 196 482 0 362 0

[startup+0.092617 s]
/proc/loadavg: 0.99 0.97 0.99 3/106 23518
/proc/meminfo: memFree=1831456/2059040 swapFree=4140476/4192956
[pid=23518] ppid=23516 vsize=7408 CPUtime=0.08
/proc/23518/stat : 23518 (pbct) R 23516 23518 23028 0 -1 4202496 1545 0 0 0 7 1 0 0 20 0 1 0 18826518 7585792 1467 1992294400 134512640 136485738 4293903248 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23518/statm: 1852 1467 223 482 0 1368 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 7408

[startup+0.100617 s]
/proc/loadavg: 0.99 0.97 0.99 3/106 23518
/proc/meminfo: memFree=1831456/2059040 swapFree=4140476/4192956
[pid=23518] ppid=23516 vsize=7408 CPUtime=0.09
/proc/23518/stat : 23518 (pbct) R 23516 23518 23028 0 -1 4202496 1547 0 0 0 8 1 0 0 20 0 1 0 18826518 7585792 1469 1992294400 134512640 136485738 4293903248 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23518/statm: 1852 1469 223 482 0 1368 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7408

[startup+0.300654 s]
/proc/loadavg: 0.99 0.97 0.99 3/106 23518
/proc/meminfo: memFree=1831456/2059040 swapFree=4140476/4192956
[pid=23518] ppid=23516 vsize=7536 CPUtime=0.29
/proc/23518/stat : 23518 (pbct) R 23516 23518 23028 0 -1 4202496 1581 0 0 0 26 3 0 0 20 0 1 0 18826518 7716864 1503 1992294400 134512640 136485738 4293903248 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23518/statm: 1884 1503 223 482 0 1400 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7536

[startup+0.700728 s]
/proc/loadavg: 0.99 0.97 0.99 3/106 23518
/proc/meminfo: memFree=1831456/2059040 swapFree=4140476/4192956
[pid=23518] ppid=23516 vsize=7664 CPUtime=0.69
/proc/23518/stat : 23518 (pbct) R 23516 23518 23028 0 -1 4202496 1604 0 0 0 62 7 0 0 20 0 1 0 18826518 7847936 1526 1992294400 134512640 136485738 4293903248 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23518/statm: 1916 1526 223 482 0 1432 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7664

[startup+1.50088 s]
/proc/loadavg: 0.99 0.97 0.99 2/107 23519
/proc/meminfo: memFree=1825992/2059040 swapFree=4140476/4192956
[pid=23518] ppid=23516 vsize=7792 CPUtime=1.49
/proc/23518/stat : 23518 (pbct) R 23516 23518 23028 0 -1 4202496 1638 0 0 0 134 15 0 0 22 0 1 0 18826518 7979008 1560 1992294400 134512640 136485738 4293903248 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23518/statm: 1948 1560 223 482 0 1464 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7792

[startup+3.10117 s]
/proc/loadavg: 0.99 0.97 0.99 2/107 23519
/proc/meminfo: memFree=1825744/2059040 swapFree=4140476/4192956
[pid=23518] ppid=23516 vsize=7920 CPUtime=3.09
/proc/23518/stat : 23518 (pbct) R 23516 23518 23028 0 -1 4202496 1679 0 0 0 279 30 0 0 25 0 1 0 18826518 8110080 1601 1992294400 134512640 136485738 4293903248 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23518/statm: 1980 1601 223 482 0 1496 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7920

[startup+6.30076 s]
/proc/loadavg: 0.99 0.97 0.99 2/107 23519
/proc/meminfo: memFree=1825496/2059040 swapFree=4140476/4192956
[pid=23518] ppid=23516 vsize=7920 CPUtime=6.29
/proc/23518/stat : 23518 (pbct) R 23516 23518 23028 0 -1 4202496 1684 0 0 0 566 63 0 0 25 0 1 0 18826518 8110080 1606 1992294400 134512640 136485738 4293903248 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23518/statm: 1980 1606 223 482 0 1496 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7920

[startup+12.7009 s]
/proc/loadavg: 0.99 0.97 0.99 2/107 23519
/proc/meminfo: memFree=1825372/2059040 swapFree=4140476/4192956
[pid=23518] ppid=23516 vsize=8048 CPUtime=12.69
/proc/23518/stat : 23518 (pbct) R 23516 23518 23028 0 -1 4202496 1711 0 0 0 1144 125 0 0 25 0 1 0 18826518 8241152 1633 1992294400 134512640 136485738 4293903248 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23518/statm: 2012 1633 223 482 0 1528 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8048

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

[startup+14.3082 s]
/proc/loadavg: 0.99 0.97 0.99 2/107 23519
/proc/meminfo: memFree=1825372/2059040 swapFree=4140476/4192956
[pid=23518] ppid=23516 vsize=8048 CPUtime=14.29
/proc/23518/stat : 23518 (pbct) R 23516 23518 23028 0 -1 4202496 1716 0 0 0 1289 140 0 0 25 0 1 0 18826518 8241152 1638 1992294400 134512640 136485738 4293903248 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23518/statm: 2012 1638 223 482 0 1528 0
Current children cumulated CPU time (s) 14.29
Current children cumulated vsize (KiB) 8048

[startup+15.9005 s]
/proc/loadavg: 0.99 0.97 0.99 2/107 23519
/proc/meminfo: memFree=1825372/2059040 swapFree=4140476/4192956
[pid=23518] ppid=23516 vsize=8048 CPUtime=15.88
/proc/23518/stat : 23518 (pbct) R 23516 23518 23028 0 -1 4202496 1719 0 0 0 1435 153 0 0 25 0 1 0 18826518 8241152 1641 1992294400 134512640 136485738 4293903248 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23518/statm: 2012 1641 223 482 0 1528 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 8048

[startup+16.7007 s]
/proc/loadavg: 0.99 0.97 0.99 2/107 23519
/proc/meminfo: memFree=1825372/2059040 swapFree=4140476/4192956
[pid=23518] ppid=23516 vsize=8048 CPUtime=16.69
/proc/23518/stat : 23518 (pbct) R 23516 23518 23028 0 -1 4202496 1719 0 0 0 1508 161 0 0 25 0 1 0 18826518 8241152 1641 1992294400 134512640 136485738 4293903248 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23518/statm: 2012 1641 223 482 0 1528 0
Current children cumulated CPU time (s) 16.69
Current children cumulated vsize (KiB) 8048

[startup+17.1008 s]
/proc/loadavg: 0.99 0.97 0.99 2/107 23519
/proc/meminfo: memFree=1825372/2059040 swapFree=4140476/4192956
[pid=23518] ppid=23516 vsize=7268 CPUtime=17.09
/proc/23518/stat : 23518 (pbct) R 23516 23518 23028 0 -1 4202496 1742 0 0 0 1544 165 0 0 25 0 1 0 18826518 7442432 1524 1992294400 134512640 136485738 4293903248 18446744073709551615 134720107 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23518/statm: 1817 1524 245 482 0 1333 0
Current children cumulated CPU time (s) 17.09
Current children cumulated vsize (KiB) 7268

Child status: 0
Real time (s): 17.1072
CPU time (s): 17.1024
CPU user time (s): 15.4477
CPU system time (s): 1.65475
CPU usage (%): 99.972
Max. virtual memory (cumulated for all children) (KiB): 8048

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 15.4477
system time used= 1.65475
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1743
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= 28

runsolver used 0.034994 second user time and 0.082987 second system time

The end

Launcher Data 

Begin job on node007 at 2010-06-13 14:30:31
IDJOB=2668894
IDBENCH=1226
IDSOLVER=1170
FILE ID=node007/2668894-1276432231
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-t2001.13queen13.1110968561.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668894-1276432231/watcher-2668894-1276432231 -o /tmp/evaluation-result-2668894-1276432231/solver-2668894-1276432231 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668894-1276432231.opb

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

MD5SUM BENCH= 6bd9689edc69ff7a2c6dd91eed3e12f3
RANDOM SEED=1062413056

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:       1831984 kB
Buffers:         24748 kB
Cached:         122976 kB
SwapCached:       6692 kB
Active:         102420 kB
Inactive:        58820 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1831984 kB
SwapTotal:     4192956 kB
SwapFree:      4140476 kB
Dirty:            2084 kB
Writeback:           0 kB
AnonPages:       11096 kB
Mapped:          12936 kB
Slab:            44168 kB
PageTables:       4008 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181888 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 14:30:48