Trace number 1880126

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
bsolo 3.1 pbUNSAT 22.2156 22.2264

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 benchmark0.544916
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 bsolo beta version 3.1 - 13/04/2009 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Learning Strategy: Generic Pseudo-Boolean Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file HOME/instance-1880126-1245115551.opb
0.00/0.00	c File size is 9901 bytes.
0.00/0.00	c Highest Coefficient sum: 1221
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0 s
0.00/0.00	c Var: 169 Constr: 101 30/70/1 Lit: 1205 Watch. Lit: 899
0.00/0.00	c Obj. Vars: 0 (0 % of total variables)
0.00/0.00	c Pre-processing Time: 0.005 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0    169       99     1179   11      877    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
22.18/22.22	c      101    169      301    19918   66    12306    2820    202   1905 0.05
22.18/22.22	c      252    169      603    48253   80    27594    3103    504   1305 0.19
22.18/22.22	c      478    169     1049    90825   86    49159    3414    950    954 0.50
22.18/22.22	c      818    169     1727   156811   90    75580    3756   1628    662 1.24
22.18/22.22	c     1327    169     2732   255286   93   115671    4132   2633    419 3.16
22.18/22.22	c     2092    169     4225   406995   96   160601    4546   4126    291 7.18
22.18/22.22	c     3238    169     3859   362394   93   147606    5001   3760    181 17.87
22.18/22.22	c Backtracks by Clause: 3003
22.18/22.22	c Backtracks by PB constraint: 346
22.18/22.22	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
22.18/22.22	c    7     3818    658     5512     4846   448176   4747    171 22.21
22.18/22.22	s UNSATISFIABLE
22.18/22.22	c Total time: 22.212 s

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-1880126-1245115551/watcher-1880126-1245115551 -o /tmp/evaluation-result-1880126-1245115551/solver-1880126-1245115551 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880126-1245115551.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: 0.98 0.99 1.00 3/65 2667
/proc/meminfo: memFree=1085288/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=10708 CPUtime=0
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179154540 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 2677 239 188 640 0 2033 0

[startup+0.046811 s]
/proc/loadavg: 0.98 0.99 1.00 3/65 2667
/proc/meminfo: memFree=1085288/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=11100 CPUtime=0.04
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 382 0 0 0 4 0 0 0 18 0 1 0 179154540 11366400 363 1992294400 134512640 137136520 4294956256 18446744073709551615 136502374 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 2775 363 196 640 0 2131 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 11100

[startup+0.101816 s]
/proc/loadavg: 0.98 0.99 1.00 3/65 2667
/proc/meminfo: memFree=1085288/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=11492 CPUtime=0.1
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 472 0 0 0 10 0 0 0 18 0 1 0 179154540 11767808 453 1992294400 134512640 137136520 4294956256 18446744073709551615 134544129 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 2873 453 196 640 0 2229 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 11492

[startup+0.301839 s]
/proc/loadavg: 0.98 0.99 1.00 3/65 2667
/proc/meminfo: memFree=1085288/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=12276 CPUtime=0.29
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 686 0 0 0 29 0 0 0 19 0 1 0 179154540 12570624 667 1992294400 134512640 137136520 4294956256 18446744073709551615 134544148 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 3069 667 197 640 0 2425 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12276

[startup+0.701885 s]
/proc/loadavg: 0.98 0.99 1.00 3/65 2667
/proc/meminfo: memFree=1085288/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=13452 CPUtime=0.69
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 973 0 0 0 69 0 0 0 23 0 1 0 179154540 13774848 954 1992294400 134512640 137136520 4294956256 18446744073709551615 134544443 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 3363 954 197 640 0 2719 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13452

[startup+1.50197 s]
/proc/loadavg: 0.98 0.99 1.00 2/66 2668
/proc/meminfo: memFree=1081632/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=14888 CPUtime=1.49
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 1337 0 0 0 149 0 0 0 25 0 1 0 179154540 15245312 1318 1992294400 134512640 137136520 4294956256 18446744073709551615 134605324 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 3722 1318 197 640 0 3078 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14888

[startup+3.10116 s]
/proc/loadavg: 0.98 0.99 1.00 2/66 2668
/proc/meminfo: memFree=1079904/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=16700 CPUtime=3.09
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 1787 0 0 0 308 1 0 0 25 0 1 0 179154540 17100800 1768 1992294400 134512640 137136520 4294956256 18446744073709551615 135982505 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 4175 1768 197 640 0 3531 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16700

[startup+6.30152 s]
/proc/loadavg: 0.98 0.99 1.00 2/66 2668
/proc/meminfo: memFree=1076768/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=19312 CPUtime=6.29
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 2433 0 0 0 627 2 0 0 25 0 1 0 179154540 19775488 2414 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 4828 2414 197 640 0 4184 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19312

[startup+12.7022 s]
/proc/loadavg: 0.99 0.99 1.00 2/66 2668
/proc/meminfo: memFree=1074208/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=21128 CPUtime=12.68
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 2873 0 0 0 1266 2 0 0 25 0 1 0 179154540 21635072 2854 1992294400 134512640 137136520 4294956256 18446744073709551615 134540859 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 5282 2854 197 640 0 4638 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 21128

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

[startup+19.102 s]
/proc/loadavg: 0.99 0.99 1.00 2/66 2668
/proc/meminfo: memFree=1074208/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=21128 CPUtime=19.09
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 2873 0 0 0 1906 3 0 0 25 0 1 0 179154540 21635072 2854 1992294400 134512640 137136520 4294956256 18446744073709551615 134544129 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 5282 2854 197 640 0 4638 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 21128

[startup+20.7012 s]
/proc/loadavg: 0.99 0.99 1.00 2/66 2668
/proc/meminfo: memFree=1074208/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=21128 CPUtime=20.68
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 2873 0 0 0 2065 3 0 0 25 0 1 0 179154540 21635072 2854 1992294400 134512640 137136520 4294956256 18446744073709551615 134544160 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 5282 2854 197 640 0 4638 0
Current children cumulated CPU time (s) 20.68
Current children cumulated vsize (KiB) 21128

[startup+21.5012 s]
/proc/loadavg: 0.99 0.99 1.00 2/66 2668
/proc/meminfo: memFree=1074208/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=21128 CPUtime=21.48
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 2873 0 0 0 2145 3 0 0 25 0 1 0 179154540 21635072 2854 1992294400 134512640 137136520 4294956256 18446744073709551615 134543974 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 5282 2854 197 640 0 4638 0
Current children cumulated CPU time (s) 21.48
Current children cumulated vsize (KiB) 21128

[startup+21.9013 s]
/proc/loadavg: 0.99 0.99 1.00 2/66 2668
/proc/meminfo: memFree=1074208/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=21128 CPUtime=21.89
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 2873 0 0 0 2186 3 0 0 25 0 1 0 179154540 21635072 2854 1992294400 134512640 137136520 4294956256 18446744073709551615 134544396 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 5282 2854 197 640 0 4638 0
Current children cumulated CPU time (s) 21.89
Current children cumulated vsize (KiB) 21128

[startup+22.1013 s]
/proc/loadavg: 0.99 0.99 1.00 2/66 2668
/proc/meminfo: memFree=1074208/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=21128 CPUtime=22.08
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 2873 0 0 0 2205 3 0 0 25 0 1 0 179154540 21635072 2854 1992294400 134512640 137136520 4294956256 18446744073709551615 134543942 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 5282 2854 197 640 0 4638 0
Current children cumulated CPU time (s) 22.08
Current children cumulated vsize (KiB) 21128

[startup+22.2013 s]
/proc/loadavg: 0.99 0.99 1.00 2/66 2668
/proc/meminfo: memFree=1074208/2055920 swapFree=4191900/4192956
[pid=2667] ppid=2665 vsize=21128 CPUtime=22.18
/proc/2667/stat : 2667 (bsolo) R 2665 2667 1864 0 -1 4194304 2873 0 0 0 2215 3 0 0 25 0 1 0 179154540 21635072 2854 1992294400 134512640 137136520 4294956256 18446744073709551615 136502210 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2667/statm: 5282 2854 197 640 0 4638 0
Current children cumulated CPU time (s) 22.18
Current children cumulated vsize (KiB) 21128

Child status: 0
Real time (s): 22.2264
CPU time (s): 22.2156
CPU user time (s): 22.1806
CPU system time (s): 0.034994
CPU usage (%): 99.9514
Max. virtual memory (cumulated for all children) (KiB): 21128

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 22.1806
system time used= 0.034994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2874
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= 98

runsolver used 0.020996 second user time and 0.068989 second system time

The end

Launcher Data 

Begin job on node32 at 2009-06-16 03:25:51
IDJOB=1880126
IDBENCH=1195
IDSOLVER=701
FILE ID=node32/1880126-1245115551
PBS_JOBID= 9363635
Free space on /tmp= 66344 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110972154.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880126-1245115551/watcher-1880126-1245115551 -o /tmp/evaluation-result-1880126-1245115551/solver-1880126-1245115551 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880126-1245115551.opb

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

MD5SUM BENCH= c60ccfdf4fb13f80717cfb4db13af995
RANDOM SEED=925330124

node32.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.234
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		: 3000.234
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:       1085776 kB
Buffers:         78472 kB
Cached:         794252 kB
SwapCached:        260 kB
Active:          85936 kB
Inactive:       801116 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1085776 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            3952 kB
Writeback:           0 kB
Mapped:          23776 kB
Slab:            68812 kB
Committed_AS:   140436 kB
PageTables:       1492 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66340 MiB
End job on node32 at 2009-06-16 03:26:13