Trace number 2682457

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 21.0088 21.0131

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110972154.opb
MD5SUMc60ccfdf4fb13f80717cfb4db13af995
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 benchmark0.134978
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 1221
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
20.90/20.99	c 19.0151 7.91016 558 112844
20.98/21.01	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-2682457-1277475631/watcher-2682457-1277475631 -o /tmp/evaluation-result-2682457-1277475631/solver-2682457-1277475631 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682457-1277475631.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: 0.00 0.00 0.00 3/106 21420
/proc/meminfo: memFree=1829180/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=3444 CPUtime=0
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 565 0 0 0 0 0 0 0 20 0 1 0 123166987 3526656 484 1992294400 134512640 136421960 4289146768 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 861 485 193 467 0 392 0

[startup+0.02413 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 21420
/proc/meminfo: memFree=1829180/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=4624 CPUtime=0.02
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 861 0 0 0 2 0 0 0 20 0 1 0 123166987 4734976 780 1992294400 134512640 136421960 4289146768 18446744073709551615 134548870 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 1156 781 193 467 0 687 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 4624

[startup+0.101138 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 21420
/proc/meminfo: memFree=1829180/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=7328 CPUtime=0.09
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 1543 0 0 0 9 0 0 0 20 0 1 0 123166987 7503872 1462 1992294400 134512640 136421960 4289146768 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 1832 1462 213 467 0 1363 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7328

[startup+0.301156 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 21420
/proc/meminfo: memFree=1829180/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=7456 CPUtime=0.29
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 1587 0 0 0 27 2 0 0 20 0 1 0 123166987 7634944 1506 1992294400 134512640 136421960 4289146768 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 1864 1506 213 467 0 1395 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7456

[startup+0.701193 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 21420
/proc/meminfo: memFree=1829180/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=7584 CPUtime=0.69
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 1606 0 0 0 63 6 0 0 21 0 1 0 123166987 7766016 1525 1992294400 134512640 136421960 4289146768 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 1896 1525 213 467 0 1427 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7584

[startup+1.50127 s]
/proc/loadavg: 0.00 0.00 0.00 2/107 21421
/proc/meminfo: memFree=1823840/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=7712 CPUtime=1.49
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 1641 0 0 0 136 13 0 0 23 0 1 0 123166987 7897088 1560 1992294400 134512640 136421960 4289146768 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 1928 1560 213 467 0 1459 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7712

[startup+3.10142 s]
/proc/loadavg: 0.00 0.00 0.00 2/107 21421
/proc/meminfo: memFree=1823468/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=7840 CPUtime=3.09
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 1663 0 0 0 278 31 0 0 25 0 1 0 123166987 8028160 1582 1992294400 134512640 136421960 4289146768 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 1960 1582 213 467 0 1491 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7840

[startup+6.30073 s]
/proc/loadavg: 0.08 0.02 0.01 2/107 21421
/proc/meminfo: memFree=1823096/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=7968 CPUtime=6.29
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 1705 0 0 0 568 61 0 0 25 0 1 0 123166987 8159232 1624 1992294400 134512640 136421960 4289146768 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 1992 1624 213 467 0 1523 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7968

[startup+12.7003 s]
/proc/loadavg: 0.15 0.03 0.01 2/107 21421
/proc/meminfo: memFree=1822972/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=8096 CPUtime=12.69
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 1729 0 0 0 1147 122 0 0 25 0 1 0 123166987 8290304 1648 1992294400 134512640 136421960 4289146768 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 2024 1648 213 467 0 1555 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8096

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

[startup+15.9006 s]
/proc/loadavg: 0.22 0.05 0.02 2/107 21423
/proc/meminfo: memFree=1822972/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=8096 CPUtime=15.88
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 1734 0 0 0 1437 151 0 0 25 0 1 0 123166987 8290304 1653 1992294400 134512640 136421960 4289146768 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 2024 1653 213 467 0 1555 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 8096

[startup+19.1009 s]
/proc/loadavg: 0.28 0.06 0.02 2/107 21423
/proc/meminfo: memFree=1822972/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=8096 CPUtime=19.09
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 1736 0 0 0 1727 182 0 0 25 0 1 0 123166987 8290304 1655 1992294400 134512640 136421960 4289146768 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 2024 1655 213 467 0 1555 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 8096

[startup+19.901 s]
/proc/loadavg: 0.28 0.06 0.02 2/107 21423
/proc/meminfo: memFree=1822972/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=8096 CPUtime=19.89
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 1738 0 0 0 1801 188 0 0 25 0 1 0 123166987 8290304 1657 1992294400 134512640 136421960 4289146768 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 2024 1657 213 467 0 1555 0
Current children cumulated CPU time (s) 19.89
Current children cumulated vsize (KiB) 8096

[startup+20.7011 s]
/proc/loadavg: 0.28 0.06 0.02 2/107 21423
/proc/meminfo: memFree=1822972/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=8096 CPUtime=20.68
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 1744 0 0 0 1873 195 0 0 25 0 1 0 123166987 8290304 1663 1992294400 134512640 136421960 4289146768 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 2024 1663 213 467 0 1555 0
Current children cumulated CPU time (s) 20.68
Current children cumulated vsize (KiB) 8096

[startup+20.9081 s]
/proc/loadavg: 0.28 0.06 0.02 2/107 21423
/proc/meminfo: memFree=1822972/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=8096 CPUtime=20.9
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 1744 0 0 0 1893 197 0 0 25 0 1 0 123166987 8290304 1663 1992294400 134512640 136421960 4289146768 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 2024 1663 213 467 0 1555 0
Current children cumulated CPU time (s) 20.9
Current children cumulated vsize (KiB) 8096

[startup+21.0011 s]
/proc/loadavg: 0.28 0.06 0.02 2/107 21423
/proc/meminfo: memFree=1822972/2059040 swapFree=4140248/4192956
[pid=21420] ppid=21418 vsize=7576 CPUtime=20.98
/proc/21420/stat : 21420 (pbct) R 21418 21420 21395 0 -1 4202496 1769 0 0 0 1901 197 0 0 25 0 1 0 123166987 7757824 1557 1992294400 134512640 136421960 4289146768 18446744073709551615 134710235 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21420/statm: 1894 1557 237 467 0 1425 0
Current children cumulated CPU time (s) 20.98
Current children cumulated vsize (KiB) 7576

Child status: 0
Real time (s): 21.0131
CPU time (s): 21.0088
CPU user time (s): 19.0281
CPU system time (s): 1.9807
CPU usage (%): 99.9797
Max. virtual memory (cumulated for all children) (KiB): 8096

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 19.0281
system time used= 1.9807
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1770
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= 279

runsolver used 0.042993 second user time and 0.101984 second system time

The end

Launcher Data 

Begin job on node004 at 2010-06-25 16:20:31
IDJOB=2682457
IDBENCH=1195
IDSOLVER=1192
FILE ID=node004/2682457-1277475631
PBS_JOBID= 11190531
Free space on /tmp= 62336 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110972154.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682457-1277475631/watcher-2682457-1277475631 -o /tmp/evaluation-result-2682457-1277475631/solver-2682457-1277475631 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682457-1277475631.opb

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

MD5SUM BENCH= c60ccfdf4fb13f80717cfb4db13af995
RANDOM SEED=420229504

node004.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		: 3000.210
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	: 6000.42
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		: 3000.210
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	: 5599.47
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1829700 kB
Buffers:         45164 kB
Cached:          87944 kB
SwapCached:       5576 kB
Active:          62832 kB
Inactive:        83508 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1829700 kB
SwapTotal:     4192956 kB
SwapFree:      4140248 kB
Dirty:            2132 kB
Writeback:           0 kB
AnonPages:       11928 kB
Mapped:          11992 kB
Slab:            61116 kB
PageTables:       4172 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182340 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= 62336 MiB
End job on node004 at 2010-06-25 16:20:52