Trace number 1878762

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 clSAT 24.4093 24.4175

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111226284.opb
MD5SUMb0b62e5c28712e6ca2742fcfc1914d40
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.25796
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
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 1216
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: Clause 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-1878762-1245115920.opb
0.00/0.00	c File size is 9902 bytes.
0.00/0.00	c Highest Coefficient sum: 1216
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: 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      879    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
24.39/24.41	c      101    169      200     4689   23     1093    2820    101   7769 0.01
24.39/24.41	c      252    169      351    10083   28     1393    3103    252   9000 0.03
24.39/24.41	c      479    169      578    17165   29     1847    3414    479   8709 0.06
24.39/24.41	c      818    169      917    29372   32     2525    3756    818   7865 0.10
24.39/24.41	c     1329    169     1428    48823   34     3549    4132   1329   7106 0.19
24.39/24.41	c     2092    169     2191    79780   36     5074    4546   2092   5578 0.38
24.39/24.41	c     3238    169     3337   125625   37     7366    5001   3238   4167 0.78
24.39/24.41	c     4960    169     5059   188650   37    10809    5502   4960   3141 1.58
24.39/24.41	c     7546    169     4788   177458   37    10267    6053   4689   2715 2.78
24.39/24.41	c    11425    169     5523   202895   36    11736    6659   5424   2410 4.74
24.39/24.41	c    17247    169     4490   155862   34     9673    7325   4391   2178 7.92
24.39/24.41	c    25984    169     5706   210818   36    12103    8058   5607   2037 12.75
24.39/24.41	c    39095    169     6433   243429   37    13558    8864   6334   1908 20.49
24.39/24.41	c Backtracks by Clause: 0
24.39/24.41	c Backtracks by PB constraint: 0
24.39/24.41	v -x1 -x2 -x3 -x4 -x5 -x6 -x7 -x8 -x9 -x10 x11 -x12 -x13 -x14 x15 -x16 -x17 -x18 -x19 -x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27 -x28 -x29 x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42 -x43 -x44 x45 -x46 -x47 -x48 -x49 -x50 -x51 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 -x60 -x61 -x62 -x63 -x64 x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 -x74 x75 -x76 -x77 -x78 -x79 -x80 -x81 -x82 -x83 -x84 -x85 -x86 -x87 -x88 -x89 x90 -x91 x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 -x100 -x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 x109 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117 -x118 -x119 -x120 -x121 -x122 -x123 x124 -x125 -x126 -x127 -x128 -x129 -x130 -x131 -x132 -x133 -x134 -x135 -x136 -x137 -x138 x139 -x140 -x141 -x142 -x143 -x144 -x145 x146 -x147 -x148 -x149 -x150 -x151 -x152 -x153 -x154 -x155 -x156 -x157 -x158 -x159 -x160 -x161 -x162 -x163 x164 -x165 -x166 -x167 -x168 -x169 
24.39/24.41	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
24.39/24.41	c   13    44362  12748    72392     7164   276470   7065   1817 24.41
24.39/24.41	s SATISFIABLE
24.39/24.41	c Total time: 24.405 s

Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1878762-1245115920/watcher-1878762-1245115920 -o /tmp/evaluation-result-1878762-1245115920/solver-1878762-1245115920 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1878762-1245115920.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: 0.91 0.97 1.04 3/64 2517
/proc/meminfo: memFree=1147992/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=10708 CPUtime=0
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179192866 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 2677 239 188 640 0 2033 0

[startup+0.0183821 s]
/proc/loadavg: 0.91 0.97 1.04 3/64 2517
/proc/meminfo: memFree=1147992/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=10708 CPUtime=0.01
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 284 0 0 0 1 0 0 0 18 0 1 0 179192866 10964992 265 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 2677 265 195 640 0 2033 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 10708

[startup+0.101398 s]
/proc/loadavg: 0.91 0.97 1.04 3/64 2517
/proc/meminfo: memFree=1147992/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=11096 CPUtime=0.09
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 374 0 0 0 9 0 0 0 18 0 1 0 179192866 11362304 355 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 2774 355 195 640 0 2130 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11096

[startup+0.301437 s]
/proc/loadavg: 0.91 0.97 1.04 3/64 2517
/proc/meminfo: memFree=1147992/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=11736 CPUtime=0.29
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 533 0 0 0 29 0 0 0 19 0 1 0 179192866 12017664 514 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 2934 514 195 640 0 2290 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11736

[startup+0.701516 s]
/proc/loadavg: 0.91 0.97 1.04 3/64 2517
/proc/meminfo: memFree=1147992/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=12504 CPUtime=0.69
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 721 0 0 0 69 0 0 0 22 0 1 0 179192866 12804096 702 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 3126 702 195 640 0 2482 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12504

[startup+1.50167 s]
/proc/loadavg: 0.91 0.97 1.04 2/65 2518
/proc/meminfo: memFree=1145488/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=13512 CPUtime=1.49
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 988 0 0 0 149 0 0 0 25 0 1 0 179192866 13836288 969 1992294400 134512640 137136520 4294956256 18446744073709551615 134544186 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 3378 969 195 640 0 2734 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13512

[startup+3.10199 s]
/proc/loadavg: 0.91 0.97 1.04 2/65 2518
/proc/meminfo: memFree=1144272/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=14020 CPUtime=3.09
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 1109 0 0 0 308 1 0 0 25 0 1 0 179192866 14356480 1090 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 3505 1090 195 640 0 2861 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 14020

[startup+6.30161 s]
/proc/loadavg: 0.92 0.97 1.04 2/65 2518
/proc/meminfo: memFree=1143824/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=14656 CPUtime=6.29
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 1258 0 0 0 627 2 0 0 25 0 1 0 179192866 15007744 1239 1992294400 134512640 137136520 4294956256 18446744073709551615 134582696 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 3664 1239 195 640 0 3020 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14656

[startup+12.7019 s]
/proc/loadavg: 0.92 0.97 1.04 2/65 2518
/proc/meminfo: memFree=1142992/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=15040 CPUtime=12.69
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 1375 0 0 0 1265 4 0 0 25 0 1 0 179192866 15400960 1356 1992294400 134512640 137136520 4294956256 18446744073709551615 136295569 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 3760 1356 195 640 0 3116 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 15040

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

[startup+19.1011 s]
/proc/loadavg: 0.93 0.97 1.04 2/65 2518
/proc/meminfo: memFree=1142608/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=15428 CPUtime=19.09
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 1466 0 0 0 1902 7 0 0 25 0 1 0 179192866 15798272 1447 1992294400 134512640 137136520 4294956256 18446744073709551615 136509091 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 3857 1447 195 640 0 3213 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 15428

[startup+22.3018 s]
/proc/loadavg: 0.93 0.97 1.04 2/65 2518
/proc/meminfo: memFree=1142544/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=15788 CPUtime=22.28
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 1554 0 0 0 2221 7 0 0 25 0 1 0 179192866 16166912 1535 1992294400 134512640 137136520 4294956256 18446744073709551615 134543878 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 3947 1535 195 640 0 3303 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 15788

[startup+23.1059 s]
/proc/loadavg: 0.93 0.97 1.04 2/65 2518
/proc/meminfo: memFree=1141904/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=16168 CPUtime=23.09
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 1635 0 0 0 2301 8 0 0 25 0 1 0 179192866 16556032 1616 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 4042 1616 195 640 0 3398 0
Current children cumulated CPU time (s) 23.09
Current children cumulated vsize (KiB) 16168

[startup+23.9011 s]
/proc/loadavg: 0.93 0.97 1.04 2/65 2518
/proc/meminfo: memFree=1141904/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=16168 CPUtime=23.88
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 1635 0 0 0 2380 8 0 0 25 0 1 0 179192866 16556032 1616 1992294400 134512640 137136520 4294956256 18446744073709551615 134544398 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 4042 1616 195 640 0 3398 0
Current children cumulated CPU time (s) 23.88
Current children cumulated vsize (KiB) 16168

[startup+24.3011 s]
/proc/loadavg: 0.93 0.97 1.04 2/65 2518
/proc/meminfo: memFree=1141904/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=16168 CPUtime=24.29
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 1635 0 0 0 2420 9 0 0 25 0 1 0 179192866 16556032 1616 1992294400 134512640 137136520 4294956256 18446744073709551615 134544122 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 4042 1616 195 640 0 3398 0
Current children cumulated CPU time (s) 24.29
Current children cumulated vsize (KiB) 16168

[startup+24.4012 s]
/proc/loadavg: 0.93 0.97 1.04 2/65 2518
/proc/meminfo: memFree=1141904/2055924 swapFree=4191900/4192956
[pid=2517] ppid=2515 vsize=16168 CPUtime=24.39
/proc/2517/stat : 2517 (bsolo) R 2515 2517 2114 0 -1 4194304 1635 0 0 0 2430 9 0 0 25 0 1 0 179192866 16556032 1616 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2517/statm: 4042 1616 195 640 0 3398 0
Current children cumulated CPU time (s) 24.39
Current children cumulated vsize (KiB) 16168

Child status: 0
Real time (s): 24.4175
CPU time (s): 24.4093
CPU user time (s): 24.3173
CPU system time (s): 0.091986
CPU usage (%): 99.9662
Max. virtual memory (cumulated for all children) (KiB): 16204

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 24.3173
system time used= 0.091986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1638
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= 38

runsolver used 0.026995 second user time and 0.048992 second system time

The end

Launcher Data 

Begin job on node6 at 2009-06-16 03:32:00
IDJOB=1878762
IDBENCH=1261
IDSOLVER=700
FILE ID=node6/1878762-1245115920
PBS_JOBID= 9363665
Free space on /tmp= 66240 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111226284.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1878762-1245115920/watcher-1878762-1245115920 -o /tmp/evaluation-result-1878762-1245115920/solver-1878762-1245115920 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1878762-1245115920.opb

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

MD5SUM BENCH= b0b62e5c28712e6ca2742fcfc1914d40
RANDOM SEED=2041133238

node6.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		: 3000.265
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		: 3000.265
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:      2055924 kB
MemFree:       1148472 kB
Buffers:         52772 kB
Cached:         773372 kB
SwapCached:        260 kB
Active:          65088 kB
Inactive:       774264 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1148472 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            4152 kB
Writeback:           0 kB
Mapped:          21756 kB
Slab:            54140 kB
Committed_AS:   147396 kB
PageTables:       1456 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= 66236 MiB
End job on node6 at 2009-06-16 03:32:25