Trace number 2668844

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 13.8709 13.8756

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110970631.opb
MD5SUM0cb3829d9e744bc52975d342468bb866
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 benchmark0.109983
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 1320
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
13.79/13.86	c 12.5201 7.96484 1347 72564
13.79/13.87	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-2668844-1276432014/watcher-2668844-1276432014 -o /tmp/evaluation-result-2668844-1276432014/solver-2668844-1276432014 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668844-1276432014.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: 0.97 0.98 0.99 3/106 23134
/proc/meminfo: memFree=1832880/2059040 swapFree=4140476/4192956
[pid=23134] ppid=23132 vsize=3384 CPUtime=0
/proc/23134/stat : 23134 (pbct) R 23132 23134 23028 0 -1 4202496 533 0 0 0 0 0 0 0 20 0 1 0 18804860 3465216 455 1992294400 134512640 136485738 4287617344 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23134/statm: 846 457 190 482 0 362 0

[startup+0.10938 s]
/proc/loadavg: 0.97 0.98 0.99 3/106 23134
/proc/meminfo: memFree=1832880/2059040 swapFree=4140476/4192956
[pid=23134] ppid=23132 vsize=7384 CPUtime=0.1
/proc/23134/stat : 23134 (pbct) R 23132 23134 23028 0 -1 4202496 1552 0 0 0 9 1 0 0 20 0 1 0 18804860 7561216 1474 1992294400 134512640 136485738 4287617344 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23134/statm: 1846 1474 223 482 0 1362 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 7384

[startup+0.201397 s]
/proc/loadavg: 0.97 0.98 0.99 3/106 23134
/proc/meminfo: memFree=1832880/2059040 swapFree=4140476/4192956
[pid=23134] ppid=23132 vsize=7512 CPUtime=0.19
/proc/23134/stat : 23134 (pbct) R 23132 23134 23028 0 -1 4202496 1577 0 0 0 18 1 0 0 20 0 1 0 18804860 7692288 1499 1992294400 134512640 136485738 4287617344 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23134/statm: 1878 1499 223 482 0 1394 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 7512

[startup+0.301416 s]
/proc/loadavg: 0.97 0.98 0.99 3/106 23134
/proc/meminfo: memFree=1832880/2059040 swapFree=4140476/4192956
[pid=23134] ppid=23132 vsize=7640 CPUtime=0.29
/proc/23134/stat : 23134 (pbct) R 23132 23134 23028 0 -1 4202496 1595 0 0 0 27 2 0 0 20 0 1 0 18804860 7823360 1517 1992294400 134512640 136485738 4287617344 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23134/statm: 1910 1517 223 482 0 1426 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7640

[startup+0.701489 s]
/proc/loadavg: 0.97 0.98 0.99 3/106 23134
/proc/meminfo: memFree=1832880/2059040 swapFree=4140476/4192956
[pid=23134] ppid=23132 vsize=7640 CPUtime=0.69
/proc/23134/stat : 23134 (pbct) R 23132 23134 23028 0 -1 4202496 1620 0 0 0 63 6 0 0 20 0 1 0 18804860 7823360 1542 1992294400 134512640 136485738 4287617344 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23134/statm: 1910 1542 223 482 0 1426 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7640

[startup+1.50164 s]
/proc/loadavg: 0.97 0.98 0.99 2/107 23135
/proc/meminfo: memFree=1827292/2059040 swapFree=4140476/4192956
[pid=23134] ppid=23132 vsize=7768 CPUtime=1.49
/proc/23134/stat : 23134 (pbct) R 23132 23134 23028 0 -1 4202496 1648 0 0 0 135 14 0 0 22 0 1 0 18804860 7954432 1570 1992294400 134512640 136485738 4287617344 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23134/statm: 1942 1570 223 482 0 1458 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7768

[startup+3.10093 s]
/proc/loadavg: 0.97 0.98 0.99 2/107 23135
/proc/meminfo: memFree=1826920/2059040 swapFree=4140476/4192956
[pid=23134] ppid=23132 vsize=7896 CPUtime=3.09
/proc/23134/stat : 23134 (pbct) R 23132 23134 23028 0 -1 4202496 1667 0 0 0 280 29 0 0 25 0 1 0 18804860 8085504 1589 1992294400 134512640 136485738 4287617344 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23134/statm: 1974 1589 223 482 0 1490 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7896

[startup+6.30153 s]
/proc/loadavg: 0.97 0.98 0.99 2/107 23135
/proc/meminfo: memFree=1826920/2059040 swapFree=4140476/4192956
[pid=23134] ppid=23132 vsize=7896 CPUtime=6.29
/proc/23134/stat : 23134 (pbct) R 23132 23134 23028 0 -1 4202496 1679 0 0 0 566 63 0 0 25 0 1 0 18804860 8085504 1601 1992294400 134512640 136485738 4287617344 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23134/statm: 1974 1601 223 482 0 1490 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7896

[startup+12.7007 s]
/proc/loadavg: 0.97 0.98 0.99 2/107 23137
/proc/meminfo: memFree=1826548/2059040 swapFree=4140476/4192956
[pid=23134] ppid=23132 vsize=8152 CPUtime=12.69
/proc/23134/stat : 23134 (pbct) R 23132 23134 23028 0 -1 4202496 1724 0 0 0 1147 122 0 0 25 0 1 0 18804860 8347648 1646 1992294400 134512640 136485738 4287617344 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23134/statm: 2038 1646 223 482 0 1554 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8152

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

[startup+12.8007 s]
/proc/loadavg: 0.97 0.98 0.99 2/107 23137
/proc/meminfo: memFree=1826548/2059040 swapFree=4140476/4192956
[pid=23134] ppid=23132 vsize=8152 CPUtime=12.79
/proc/23134/stat : 23134 (pbct) R 23132 23134 23028 0 -1 4202496 1724 0 0 0 1156 123 0 0 25 0 1 0 18804860 8347648 1646 1992294400 134512640 136485738 4287617344 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23134/statm: 2038 1646 223 482 0 1554 0
Current children cumulated CPU time (s) 12.79
Current children cumulated vsize (KiB) 8152

[startup+13.6009 s]
/proc/loadavg: 0.97 0.98 0.99 2/107 23137
/proc/meminfo: memFree=1826548/2059040 swapFree=4140476/4192956
[pid=23134] ppid=23132 vsize=8152 CPUtime=13.58
/proc/23134/stat : 23134 (pbct) R 23132 23134 23028 0 -1 4202496 1724 0 0 0 1228 130 0 0 25 0 1 0 18804860 8347648 1646 1992294400 134512640 136485738 4287617344 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23134/statm: 2038 1646 223 482 0 1554 0
Current children cumulated CPU time (s) 13.58
Current children cumulated vsize (KiB) 8152

[startup+13.8009 s]
/proc/loadavg: 0.97 0.98 0.99 2/107 23137
/proc/meminfo: memFree=1826548/2059040 swapFree=4140476/4192956
[pid=23134] ppid=23132 vsize=8152 CPUtime=13.79
/proc/23134/stat : 23134 (pbct) R 23132 23134 23028 0 -1 4202496 1724 0 0 0 1246 133 0 0 25 0 1 0 18804860 8347648 1646 1992294400 134512640 136485738 4287617344 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23134/statm: 2038 1646 223 482 0 1554 0
Current children cumulated CPU time (s) 13.79
Current children cumulated vsize (KiB) 8152

Child status: 0
Real time (s): 13.8756
CPU time (s): 13.8709
CPU user time (s): 12.5331
CPU system time (s): 1.3378
CPU usage (%): 99.9658
Max. virtual memory (cumulated for all children) (KiB): 8152

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 12.5331
system time used= 1.3378
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1748
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= 21

runsolver used 0.029995 second user time and 0.066989 second system time

The end

Launcher Data 

Begin job on node007 at 2010-06-13 14:26:54
IDJOB=2668844
IDBENCH=1176
IDSOLVER=1170
FILE ID=node007/2668844-1276432014
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-t2001.13queen13.1110970631.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668844-1276432014/watcher-2668844-1276432014 -o /tmp/evaluation-result-2668844-1276432014/solver-2668844-1276432014 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668844-1276432014.opb

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

MD5SUM BENCH= 0cb3829d9e744bc52975d342468bb866
RANDOM SEED=1974182924

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:       1833284 kB
Buffers:         23876 kB
Cached:         122648 kB
SwapCached:       6692 kB
Active:         102016 kB
Inactive:        58068 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1833284 kB
SwapTotal:     4192956 kB
SwapFree:      4140476 kB
Dirty:            2104 kB
Writeback:           0 kB
AnonPages:       11080 kB
Mapped:          13028 kB
Slab:            43928 kB
PageTables:       3920 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 14:27:08