Trace number 1877280

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 3.1UNSAT 45.2701 45.2837

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110976935.opb
MD5SUM09a2a97c88821c18a87bc8c5a7b2e947
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 benchmark0.040993
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 1229
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: Cardinality Constraint 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-1877280-1245115660.opb
0.00/0.00	c File size is 9903 bytes.
0.00/0.00	c Highest Coefficient sum: 1229
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.001 s
0.00/0.00	c Var: 169 Constr: 101 30/70/1 Lit: 1205 Watch. Lit: 901
0.00/0.00	c Obj. Vars: 0 (0 % of total variables)
0.00/0.00	c Pre-processing Time: 0.006 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      879    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
45.18/45.28	c      101    169      207     4623   22     1107    2820    108   4208 0.02
45.18/45.28	c      251    169      361    11581   32     1414    3103    262   4403 0.06
45.18/45.28	c      476    169      594    21393   36     1880    3414    495   4212 0.11
45.18/45.28	c      814    169      942    33840   35     2580    3756    843   3990 0.20
45.18/45.28	c     1323    169     1464    51221   34     3623    4132   1365   3644 0.36
45.18/45.28	c     2086    169     2260    79979   35     5223    4546   2161   3224 0.65
45.18/45.28	c     3232    169     3436   116405   33     7576    5001   3337   2614 1.24
45.18/45.28	c     4953    169     2601    82838   31     5898    5502   2502   2325 2.13
45.18/45.28	c     7538    169     5273   180382   34    11251    6053   5174   2183 3.45
45.18/45.28	c    11418    169     3127   110840   35     6958    6659   3028   1912 5.97
45.18/45.28	c    17243    169     5782   204524   35    12288    7325   5683   1823 9.46
45.18/45.28	c    25980    169     7349   280898   38    15437    8058   7250   1643 15.81
45.18/45.28	c    39091    169     4438   165267   37     9618    8864   4339   1455 26.86
45.18/45.28	c    58762    132     6686   223824   33    14090    9751   6587   1315 44.67
45.18/45.28	c Backtracks by Clause: 59332
45.18/45.28	c Backtracks by PB constraint: 31
45.18/45.28	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
45.18/45.28	c   14    59363  16249    95506     7302   240749   7203   1311 45.27
45.18/45.28	s UNSATISFIABLE
45.18/45.28	c Total time: 45.268 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-1877280-1245115660/watcher-1877280-1245115660 -o /tmp/evaluation-result-1877280-1245115660/solver-1877280-1245115660 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877280-1245115660.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: 1.00 1.00 1.07 3/64 1852
/proc/meminfo: memFree=1422712/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=10708 CPUtime=0
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 258 0 0 0 0 0 0 0 20 0 1 0 179165658 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 2677 239 188 640 0 2033 0

[startup+0.0446381 s]
/proc/loadavg: 1.00 1.00 1.07 3/64 1852
/proc/meminfo: memFree=1422712/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=10832 CPUtime=0.04
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 296 0 0 0 4 0 0 0 20 0 1 0 179165658 11091968 277 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 2708 278 196 640 0 2064 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 10832

[startup+0.101643 s]
/proc/loadavg: 1.00 1.00 1.07 3/64 1852
/proc/meminfo: memFree=1422712/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=10956 CPUtime=0.09
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 338 0 0 0 9 0 0 0 20 0 1 0 179165658 11218944 319 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 2739 319 196 640 0 2095 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10956

[startup+0.301663 s]
/proc/loadavg: 1.00 1.00 1.07 3/64 1852
/proc/meminfo: memFree=1422712/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=11324 CPUtime=0.29
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 439 0 0 0 29 0 0 0 22 0 1 0 179165658 11595776 420 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 2831 420 196 640 0 2187 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11324

[startup+0.701704 s]
/proc/loadavg: 1.00 1.00 1.07 3/64 1852
/proc/meminfo: memFree=1422712/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=11940 CPUtime=0.69
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 598 0 0 0 69 0 0 0 25 0 1 0 179165658 12226560 579 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 2985 579 196 640 0 2341 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11940

[startup+1.50178 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 1853
/proc/meminfo: memFree=1420848/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=12792 CPUtime=1.49
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 801 0 0 0 148 1 0 0 25 0 1 0 179165658 13099008 782 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 3198 782 196 640 0 2554 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12792

[startup+3.10195 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 1853
/proc/meminfo: memFree=1419568/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=13520 CPUtime=3.09
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 979 0 0 0 308 1 0 0 25 0 1 0 179165658 13844480 960 1992294400 134512640 137136520 4294956256 18446744073709551615 134616694 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 3380 960 196 640 0 2736 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13520

[startup+6.30127 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 1853
/proc/meminfo: memFree=1418864/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=14140 CPUtime=6.29
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 1143 0 0 0 627 2 0 0 25 0 1 0 179165658 14479360 1124 1992294400 134512640 137136520 4294956256 18446744073709551615 134551367 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 3535 1124 196 640 0 2891 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14140

[startup+12.7019 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 1853
/proc/meminfo: memFree=1418112/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=14876 CPUtime=12.69
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 1316 0 0 0 1266 3 0 0 25 0 1 0 179165658 15233024 1297 1992294400 134512640 137136520 4294956256 18446744073709551615 134597728 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 3719 1297 196 640 0 3075 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 14876

[startup+25.5012 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 1853
/proc/meminfo: memFree=1417152/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=15828 CPUtime=25.48
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 1550 0 0 0 2543 5 0 0 25 0 1 0 179165658 16207872 1531 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 3957 1531 196 640 0 3313 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 15828

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

[startup+38.3015 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 1853
/proc/meminfo: memFree=1416704/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=16312 CPUtime=38.28
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 1677 0 0 0 3821 7 0 0 25 0 1 0 179165658 16703488 1658 1992294400 134512640 137136520 4294956256 18446744073709551615 134544125 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 4078 1658 196 640 0 3434 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 16312

[startup+41.5018 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 1853
/proc/meminfo: memFree=1416704/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=16312 CPUtime=41.48
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 1679 0 0 0 4140 8 0 0 25 0 1 0 179165658 16703488 1660 1992294400 134512640 137136520 4294956256 18446744073709551615 136499623 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 4078 1660 196 640 0 3434 0
Current children cumulated CPU time (s) 41.48
Current children cumulated vsize (KiB) 16312

[startup+43.102 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 1853
/proc/meminfo: memFree=1416704/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=16312 CPUtime=43.07
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 1679 0 0 0 4299 8 0 0 25 0 1 0 179165658 16703488 1660 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 4078 1660 196 640 0 3434 0
Current children cumulated CPU time (s) 43.07
Current children cumulated vsize (KiB) 16312

[startup+43.9011 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 1853
/proc/meminfo: memFree=1416704/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=16312 CPUtime=43.88
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 1679 0 0 0 4380 8 0 0 25 0 1 0 179165658 16703488 1660 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 4078 1660 196 640 0 3434 0
Current children cumulated CPU time (s) 43.88
Current children cumulated vsize (KiB) 16312

[startup+44.7022 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 1853
/proc/meminfo: memFree=1416704/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=16312 CPUtime=44.68
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 1679 0 0 0 4459 9 0 0 25 0 1 0 179165658 16703488 1660 1992294400 134512640 137136520 4294956256 18446744073709551615 136501981 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 4078 1660 196 640 0 3434 0
Current children cumulated CPU time (s) 44.68
Current children cumulated vsize (KiB) 16312

[startup+45.1052 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 1853
/proc/meminfo: memFree=1416704/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=16312 CPUtime=45.08
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 1679 0 0 0 4499 9 0 0 25 0 1 0 179165658 16703488 1660 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 4078 1660 196 640 0 3434 0
Current children cumulated CPU time (s) 45.08
Current children cumulated vsize (KiB) 16312

[startup+45.2012 s]
/proc/loadavg: 1.00 1.00 1.07 2/65 1853
/proc/meminfo: memFree=1416704/2055920 swapFree=4192812/4192956
[pid=1852] ppid=1850 vsize=16312 CPUtime=45.18
/proc/1852/stat : 1852 (bsolo) R 1850 1852 1525 0 -1 4194304 1679 0 0 0 4509 9 0 0 25 0 1 0 179165658 16703488 1660 1992294400 134512640 137136520 4294956256 18446744073709551615 134543831 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1852/statm: 4078 1660 196 640 0 3434 0
Current children cumulated CPU time (s) 45.18
Current children cumulated vsize (KiB) 16312

Child status: 0
Real time (s): 45.2837
CPU time (s): 45.2701
CPU user time (s): 45.1771
CPU system time (s): 0.092985
CPU usage (%): 99.9701
Max. virtual memory (cumulated for all children) (KiB): 16312

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 45.1771
system time used= 0.092985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1680
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= 73

runsolver used 0.045993 second user time and 0.12698 second system time

The end

Launcher Data 

Begin job on node27 at 2009-06-16 03:27:40
IDJOB=1877280
IDBENCH=1209
IDSOLVER=699
FILE ID=node27/1877280-1245115660
PBS_JOBID= 9363660
Free space on /tmp= 66288 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110976935.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877280-1245115660/watcher-1877280-1245115660 -o /tmp/evaluation-result-1877280-1245115660/solver-1877280-1245115660 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877280-1245115660.opb

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

MD5SUM BENCH= 09a2a97c88821c18a87bc8c5a7b2e947
RANDOM SEED=1647495030

node27.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		: 2800.234
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	: 5521.40
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		: 2800.234
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:       1423128 kB
Buffers:         62996 kB
Cached:         486100 kB
SwapCached:        140 kB
Active:         138332 kB
Inactive:       425272 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1423128 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4100 kB
Writeback:           0 kB
Mapped:          24204 kB
Slab:            55080 kB
Committed_AS:   143256 kB
PageTables:       1376 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264948 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66284 MiB
End job on node27 at 2009-06-16 03:28:25