Trace number 357929

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, and are wall clock time (not CPU 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
PBS4 2007-03-23UNSAT 11.2223 11.229

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110967729.opb
MD5SUMcc8a821eb6092a77df7c2a7d8a438de1
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
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 benchmark0.05799
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 1318
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 (download as text)

0.00/0.00	c PBS v4 by Bashar Al-Rawi & Fadi Aloul
0.00/0.00	c Solving /tmp/evaluation/357929-1176903221/instance-357929-1176903221.opb ......
11.18/11.22	c done parsing opb.
11.18/11.22	s UNSATISFIABLE
11.18/11.22	c Total Run Time					11.2153

Verifier Data (download as text)

ERROR: no interpretation found !

Conversion Script Data (download as text)

/tmp/evaluation/357929-1176903221/instance-357929-1176903221.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node62/watcher-357929-1176903221 -o ROOT/results/node62/solver-357929-1176903221 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/357929-1176903221/PBS4 /tmp/evaluation/357929-1176903221/instance-357929-1176903221.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): 3600 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.83 0.96 0.97 2/64 11739
/proc/meminfo: memFree=1753392/2055920 swapFree=4191892/4192956
[pid=11739] ppid=11737 vsize=1324 CPUtime=0
/proc/11739/stat : 11739 (PBS4) R 11737 11739 10282 0 -1 4194304 131 0 0 0 0 0 0 0 18 0 1 0 8898084 1355776 113 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 134518406 0 0 4096 0 0 0 0 17 1 0 0
/proc/11739/statm: 331 113 87 219 0 108 0

[startup+0.02318 s]
/proc/loadavg: 0.83 0.96 0.97 2/64 11739
/proc/meminfo: memFree=1753392/2055920 swapFree=4191892/4192956
[pid=11739] ppid=11737 vsize=1320 CPUtime=0.01
/proc/11739/stat : 11739 (PBS4) R 11737 11739 10282 0 -1 4194304 153 0 0 0 1 0 0 0 18 0 1 0 8898084 1351680 135 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11739/statm: 330 135 92 219 0 107 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 1320

[startup+0.101188 s]
/proc/loadavg: 0.83 0.96 0.97 2/64 11739
/proc/meminfo: memFree=1753392/2055920 swapFree=4191892/4192956
[pid=11739] ppid=11737 vsize=1456 CPUtime=0.09
/proc/11739/stat : 11739 (PBS4) R 11737 11739 10282 0 -1 4194304 192 0 0 0 9 0 0 0 18 0 1 0 8898084 1490944 174 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11739/statm: 364 174 92 219 0 141 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1456

[startup+0.301211 s]
/proc/loadavg: 0.83 0.96 0.97 2/64 11739
/proc/meminfo: memFree=1753392/2055920 swapFree=4191892/4192956
[pid=11739] ppid=11737 vsize=1872 CPUtime=0.28
/proc/11739/stat : 11739 (PBS4) R 11737 11739 10282 0 -1 4194304 302 0 0 0 28 0 0 0 19 0 1 0 8898084 1916928 284 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11739/statm: 468 284 93 219 0 245 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 1872

[startup+0.701257 s]
/proc/loadavg: 0.83 0.96 0.97 2/64 11739
/proc/meminfo: memFree=1753392/2055920 swapFree=4191892/4192956
[pid=11739] ppid=11737 vsize=3604 CPUtime=0.69
/proc/11739/stat : 11739 (PBS4) R 11737 11739 10282 0 -1 4194304 504 0 0 0 68 1 0 0 22 0 1 0 8898084 3690496 486 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11739/statm: 901 486 93 219 0 678 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3604

[startup+1.50135 s]
/proc/loadavg: 0.83 0.96 0.97 2/65 11740
/proc/meminfo: memFree=1751336/2055920 swapFree=4191892/4192956
[pid=11739] ppid=11737 vsize=4064 CPUtime=1.49
/proc/11739/stat : 11739 (PBS4) R 11737 11739 10282 0 -1 4194304 856 0 0 0 147 2 0 0 25 0 1 0 8898084 4161536 789 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11739/statm: 1016 789 94 219 0 793 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4064

[startup+3.10154 s]
/proc/loadavg: 0.83 0.96 0.97 2/65 11740
/proc/meminfo: memFree=1750120/2055920 swapFree=4191892/4192956
[pid=11739] ppid=11737 vsize=6768 CPUtime=3.09
/proc/11739/stat : 11739 (PBS4) R 11737 11739 10282 0 -1 4194304 1161 0 0 0 306 3 0 0 25 0 1 0 8898084 6930432 997 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 134549277 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11739/statm: 1692 997 94 219 0 1469 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6768

[startup+6.30292 s]
/proc/loadavg: 0.84 0.96 0.97 2/65 11740
/proc/meminfo: memFree=1748464/2055920 swapFree=4191892/4192956
[pid=11739] ppid=11737 vsize=7448 CPUtime=6.29
/proc/11739/stat : 11739 (PBS4) R 11737 11739 10282 0 -1 4194304 1615 0 0 0 624 5 0 0 25 0 1 0 8898084 7626752 1451 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11739/statm: 1862 1451 94 219 0 1639 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7448

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

[startup+9.50129 s]
/proc/loadavg: 0.84 0.96 0.97 2/65 11740
/proc/meminfo: memFree=1747000/2055920 swapFree=4191892/4192956
[pid=11739] ppid=11737 vsize=8684 CPUtime=9.49
/proc/11739/stat : 11739 (PBS4) R 11737 11739 10282 0 -1 4194304 2038 0 0 0 943 6 0 0 25 0 1 0 8898084 8892416 1681 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11739/statm: 2171 1681 94 219 0 1948 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 8684

[startup+10.3014 s]
/proc/loadavg: 0.86 0.96 0.97 2/65 11740
/proc/meminfo: memFree=1746744/2055920 swapFree=4191892/4192956
[pid=11739] ppid=11737 vsize=8976 CPUtime=10.28
/proc/11739/stat : 11739 (PBS4) R 11737 11739 10282 0 -1 4194304 2168 0 0 0 1022 6 0 0 25 0 1 0 8898084 9191424 1811 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11739/statm: 2244 1811 94 219 0 2021 0
Current children cumulated CPU time (s) 10.28
Current children cumulated vsize (KiB) 8976

[startup+10.7014 s]
/proc/loadavg: 0.86 0.96 0.97 2/65 11740
/proc/meminfo: memFree=1746744/2055920 swapFree=4191892/4192956
[pid=11739] ppid=11737 vsize=8976 CPUtime=10.68
/proc/11739/stat : 11739 (PBS4) R 11737 11739 10282 0 -1 4194304 2179 0 0 0 1062 6 0 0 25 0 1 0 8898084 9191424 1822 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11739/statm: 2244 1822 94 219 0 2021 0
Current children cumulated CPU time (s) 10.68
Current children cumulated vsize (KiB) 8976

[startup+11.1015 s]
/proc/loadavg: 0.86 0.96 0.97 2/65 11740
/proc/meminfo: memFree=1746232/2055920 swapFree=4191892/4192956
[pid=11739] ppid=11737 vsize=8976 CPUtime=11.08
/proc/11739/stat : 11739 (PBS4) R 11737 11739 10282 0 -1 4194304 2201 0 0 0 1102 6 0 0 25 0 1 0 8898084 9191424 1844 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 134784767 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11739/statm: 2244 1844 94 219 0 2021 0
Current children cumulated CPU time (s) 11.08
Current children cumulated vsize (KiB) 8976

[startup+11.2015 s]
/proc/loadavg: 0.86 0.96 0.97 2/65 11740
/proc/meminfo: memFree=1746232/2055920 swapFree=4191892/4192956
[pid=11739] ppid=11737 vsize=9120 CPUtime=11.18
/proc/11739/stat : 11739 (PBS4) R 11737 11739 10282 0 -1 4194304 2212 0 0 0 1112 6 0 0 25 0 1 0 8898084 9338880 1855 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11739/statm: 2280 1855 94 219 0 2057 0
Current children cumulated CPU time (s) 11.18
Current children cumulated vsize (KiB) 9120

Child status: 0
Real time (s): 11.229
CPU time (s): 11.2223
CPU user time (s): 11.1513
CPU system time (s): 0.070989
CPU usage (%): 99.9402
Max. virtual memory (cumulated for all children) (KiB): 9120

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.1513
system time used= 0.070989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2228
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= 8
involuntary context switches= 24

runsolver used 0.004999 second user time and 0.032994 second system time

The end

Launcher Data (download as text)

Begin job on node62 on Wed Apr 18 13:33:41 UTC 2007

IDJOB= 357929
IDBENCH= 1178
IDSOLVER= 157
FILE ID= node62/357929-1176903221

PBS_JOBID= 4595169

Free space on /tmp= 66497 MiB

SOLVER NAME= PBS4 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110967729.opb
COMMAND LINE= /tmp/evaluation/357929-1176903221/PBS4 /tmp/evaluation/357929-1176903221/instance-357929-1176903221.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node62/convwatcher-357929-1176903221 -o ROOT/results/node62/conversion-357929-1176903221 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/357929-1176903221/instance-357929-1176903221.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node62/watcher-357929-1176903221 -o ROOT/results/node62/solver-357929-1176903221 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/357929-1176903221/PBS4 /tmp/evaluation/357929-1176903221/instance-357929-1176903221.opb            

META MD5SUM SOLVER= b6c24e28fef9e1efa7891be58ea9e46f
MD5SUM BENCH=  cc8a821eb6092a77df7c2a7d8a438de1

RANDOM SEED= 393690641

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node62.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.216
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
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		: 3000.216
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1753864 kB
Buffers:          4264 kB
Cached:         241508 kB
SwapCached:        592 kB
Active:          30076 kB
Inactive:       231756 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1753864 kB
SwapTotal:     4192956 kB
SwapFree:      4191892 kB
Dirty:            1340 kB
Writeback:           0 kB
Mapped:          24604 kB
Slab:            26224 kB
Committed_AS:   101784 kB
PageTables:       1464 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66497 MiB

End job on node62 on Wed Apr 18 13:33:52 UTC 2007