Trace number 2682461

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 24.8192 24.825

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110975965.opb
MD5SUM5a91e712d3aef81a2c9052622caecb97
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 benchmark0.248961
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 1171
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
24.78/24.81	c 22.4836 8.03516 1359 128790
24.78/24.82	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-2682461-1277475635/watcher-2682461-1277475635 -o /tmp/evaluation-result-2682461-1277475635/solver-2682461-1277475635 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682461-1277475635.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: 0.15 0.03 0.01 3/106 27500
/proc/meminfo: memFree=1813972/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=3444 CPUtime=0
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 554 0 0 0 0 0 0 0 20 0 1 0 88856147 3526656 473 1992294400 134512640 136421960 4294425776 18446744073709551615 135494785 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 861 474 193 467 0 392 0

[startup+0.0783981 s]
/proc/loadavg: 0.15 0.03 0.01 3/106 27500
/proc/meminfo: memFree=1813972/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=7336 CPUtime=0.07
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1539 0 0 0 7 0 0 0 20 0 1 0 88856147 7512064 1458 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 1834 1458 213 467 0 1365 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 7336

[startup+0.101399 s]
/proc/loadavg: 0.15 0.03 0.01 3/106 27500
/proc/meminfo: memFree=1813972/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=7336 CPUtime=0.09
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1545 0 0 0 9 0 0 0 20 0 1 0 88856147 7512064 1464 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 1834 1464 213 467 0 1365 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7336

[startup+0.301416 s]
/proc/loadavg: 0.15 0.03 0.01 3/106 27500
/proc/meminfo: memFree=1813972/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=7592 CPUtime=0.29
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1597 0 0 0 27 2 0 0 20 0 1 0 88856147 7774208 1516 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 1898 1516 213 467 0 1429 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7592

[startup+0.701451 s]
/proc/loadavg: 0.15 0.03 0.01 3/106 27500
/proc/meminfo: memFree=1813972/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=7720 CPUtime=0.69
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1647 0 0 0 63 6 0 0 20 0 1 0 88856147 7905280 1566 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 1930 1566 213 467 0 1461 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7720

[startup+1.50152 s]
/proc/loadavg: 0.15 0.03 0.01 2/107 27501
/proc/meminfo: memFree=1808384/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=7852 CPUtime=1.5
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1660 0 0 0 136 14 0 0 23 0 1 0 88856147 8040448 1579 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 1963 1579 213 467 0 1494 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 7852

[startup+3.10066 s]
/proc/loadavg: 0.15 0.03 0.01 2/107 27501
/proc/meminfo: memFree=1808012/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=7852 CPUtime=3.09
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1682 0 0 0 281 28 0 0 25 0 1 0 88856147 8040448 1601 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 1963 1601 213 467 0 1494 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7852

[startup+6.30094 s]
/proc/loadavg: 0.22 0.05 0.02 2/107 27501
/proc/meminfo: memFree=1807888/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=7980 CPUtime=6.29
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1710 0 0 0 571 58 0 0 25 0 1 0 88856147 8171520 1629 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 1995 1629 213 467 0 1526 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7980

[startup+12.7005 s]
/proc/loadavg: 0.28 0.06 0.02 2/107 27501
/proc/meminfo: memFree=1807640/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=8108 CPUtime=12.68
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1735 0 0 0 1149 119 0 0 25 0 1 0 88856147 8302592 1654 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 2027 1654 213 467 0 1558 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 8108

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

[startup+19.1011 s]
/proc/loadavg: 0.39 0.09 0.03 2/107 27501
/proc/meminfo: memFree=1807640/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=8224 CPUtime=19.09
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1750 0 0 0 1728 181 0 0 25 0 1 0 88856147 8421376 1669 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 2056 1669 213 467 0 1587 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 8224

[startup+22.3013 s]
/proc/loadavg: 0.39 0.09 0.03 2/107 27501
/proc/meminfo: memFree=1807640/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=8224 CPUtime=22.29
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1750 0 0 0 2019 210 0 0 25 0 1 0 88856147 8421376 1669 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 2056 1669 213 467 0 1587 0
Current children cumulated CPU time (s) 22.29
Current children cumulated vsize (KiB) 8224

[startup+23.9015 s]
/proc/loadavg: 0.44 0.11 0.03 2/107 27501
/proc/meminfo: memFree=1807640/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=8224 CPUtime=23.88
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1755 0 0 0 2165 223 0 0 25 0 1 0 88856147 8421376 1674 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 2056 1674 213 467 0 1587 0
Current children cumulated CPU time (s) 23.88
Current children cumulated vsize (KiB) 8224

[startup+24.3015 s]
/proc/loadavg: 0.44 0.11 0.03 2/107 27501
/proc/meminfo: memFree=1807640/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=8224 CPUtime=24.28
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1755 0 0 0 2201 227 0 0 25 0 1 0 88856147 8421376 1674 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 2056 1674 213 467 0 1587 0
Current children cumulated CPU time (s) 24.28
Current children cumulated vsize (KiB) 8224

[startup+24.7015 s]
/proc/loadavg: 0.44 0.11 0.03 2/107 27501
/proc/meminfo: memFree=1807640/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=8224 CPUtime=24.68
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1755 0 0 0 2238 230 0 0 25 0 1 0 88856147 8421376 1674 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 2056 1674 213 467 0 1587 0
Current children cumulated CPU time (s) 24.68
Current children cumulated vsize (KiB) 8224

[startup+24.8016 s]
/proc/loadavg: 0.44 0.11 0.03 2/107 27501
/proc/meminfo: memFree=1807640/2059040 swapFree=4140412/4192956
[pid=27500] ppid=27498 vsize=8224 CPUtime=24.78
/proc/27500/stat : 27500 (pbct) R 27498 27500 27421 0 -1 4202496 1755 0 0 0 2247 231 0 0 25 0 1 0 88856147 8421376 1674 1992294400 134512640 136421960 4294425776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27500/statm: 2056 1674 213 467 0 1587 0
Current children cumulated CPU time (s) 24.78
Current children cumulated vsize (KiB) 8224

Child status: 0
Real time (s): 24.825
CPU time (s): 24.8192
CPU user time (s): 22.4966
CPU system time (s): 2.32265
CPU usage (%): 99.9769
Max. virtual memory (cumulated for all children) (KiB): 8236

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 22.4966
system time used= 2.32265
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1781
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= 321

runsolver used 0.030995 second user time and 0.135979 second system time

The end

Launcher Data 

Begin job on node041 at 2010-06-25 16:20:35
IDJOB=2682461
IDBENCH=1199
IDSOLVER=1192
FILE ID=node041/2682461-1277475635
PBS_JOBID= 11190504
Free space on /tmp= 61676 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110975965.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682461-1277475635/watcher-2682461-1277475635 -o /tmp/evaluation-result-2682461-1277475635/solver-2682461-1277475635 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682461-1277475635.opb

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

MD5SUM BENCH= 5a91e712d3aef81a2c9052622caecb97
RANDOM SEED=672735556

node041.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		: 3000.251
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	: 6000.50
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		: 3000.251
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	: 5599.48
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1814368 kB
Buffers:         34700 kB
Cached:         113220 kB
SwapCached:       5276 kB
Active:          66844 kB
Inactive:        93968 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1814368 kB
SwapTotal:     4192956 kB
SwapFree:      4140412 kB
Dirty:            2212 kB
Writeback:           0 kB
AnonPages:       11400 kB
Mapped:          12028 kB
Slab:            61812 kB
PageTables:       4208 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182640 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= 61672 MiB
End job on node041 at 2010-06-25 16:21:00