Trace number 1877329

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 3.1SAT 54.7107 54.731

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111221953.opb
MD5SUM61fac4c5cae5b046b0fa6341506f094d
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 benchmark0.244962
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 1280
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-1877329-1245115909.opb
0.00/0.00	c File size is 9909 bytes.
0.00/0.00	c Highest Coefficient sum: 1280
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)
0.00/0.01	c Pre-processing Time: 0.005 s
0.00/0.01	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.01	c        0    169       99     1179   11      880    2563      0      0 0.01
0.00/0.01	c Switching off lower bounding mode.
54.67/54.72	c      100    169      202     3452   17     1095    2820    103   4347 0.02
54.67/54.72	c      250    169      355     7623   21     1403    3103    256   4901 0.05
54.67/54.72	c      475    169      588    14345   24     1869    3414    489   4797 0.10
54.67/54.72	c      814    169      935    24030   25     2563    3756    836   4472 0.18
54.67/54.72	c     1324    169     1460    38540   26     3614    4132   1361   4086 0.32
54.67/54.72	c     2088    169     2253    63426   28     5202    4546   2154   3618 0.58
54.67/54.72	c     3234    169     3421    98122   28     7538    5001   3322   3022 1.07
54.67/54.72	c     4956    169     2601    78750   30     5905    5502   2502   2508 1.98
54.67/54.72	c     7540    169     5273   164943   31    11263    6053   5174   2244 3.36
54.67/54.72	c    11419    169     6152   212377   34    13022    6659   6053   1946 5.87
54.67/54.72	c    17241    169     5297   198513   37    11329    7325   5198   1669 10.33
54.67/54.72	c    25979    169     6848   257092   37    14444    8058   6749   1540 16.87
54.67/54.72	c    39091    169     4129   167085   40     8963    8864   4030   1360 28.74
54.67/54.72	c    58761    169     6580   277749   42    13943    9751   6481   1229 47.81
54.67/54.72	c Backtracks by Clause: 65281
54.67/54.72	c Backtracks by PB constraint: 29
54.67/54.72	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 
54.67/54.72	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
54.67/54.72	c   14    65310  16980   101918     8373   327894   8274   1193 54.71
54.67/54.72	s SATISFIABLE
54.67/54.72	c Total time: 54.708 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-1877329-1245115909/watcher-1877329-1245115909 -o /tmp/evaluation-result-1877329-1245115909/solver-1877329-1245115909 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877329-1245115909.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 1.05 3/64 2167
/proc/meminfo: memFree=1422224/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=18400 CPUtime=0
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 226 0 0 0 0 0 0 0 20 0 1 0 179190570 18841600 210 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 4600 210 170 640 0 3953 0

[startup+0.0632189 s]
/proc/loadavg: 1.00 1.00 1.05 3/64 2167
/proc/meminfo: memFree=1422224/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=10828 CPUtime=0.05
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 300 0 0 0 5 0 0 0 20 0 1 0 179190570 11087872 281 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 2707 281 196 640 0 2063 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 10828

[startup+0.101223 s]
/proc/loadavg: 1.00 1.00 1.05 3/64 2167
/proc/meminfo: memFree=1422224/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=10828 CPUtime=0.09
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 322 0 0 0 9 0 0 0 20 0 1 0 179190570 11087872 303 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 2707 303 196 640 0 2063 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10828

[startup+0.301242 s]
/proc/loadavg: 1.00 1.00 1.05 3/64 2167
/proc/meminfo: memFree=1422224/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=11200 CPUtime=0.29
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 415 0 0 0 29 0 0 0 22 0 1 0 179190570 11468800 396 1992294400 134512640 137136520 4294956256 18446744073709551615 134616618 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 2800 396 196 640 0 2156 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11200

[startup+0.701283 s]
/proc/loadavg: 1.00 1.00 1.05 3/64 2167
/proc/meminfo: memFree=1422224/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=11936 CPUtime=0.69
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 572 0 0 0 69 0 0 0 25 0 1 0 179190570 12222464 553 1992294400 134512640 137136520 4294956256 18446744073709551615 134551640 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 2984 553 196 640 0 2340 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11936

[startup+1.50136 s]
/proc/loadavg: 1.00 1.00 1.05 2/65 2168
/proc/meminfo: memFree=1420360/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=12668 CPUtime=1.48
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 778 0 0 0 148 0 0 0 25 0 1 0 179190570 12972032 759 1992294400 134512640 137136520 4294956256 18446744073709551615 134544129 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 3167 759 196 640 0 2523 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 12668

[startup+3.10152 s]
/proc/loadavg: 1.00 1.00 1.05 2/65 2168
/proc/meminfo: memFree=1419144/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=13292 CPUtime=3.09
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 915 0 0 0 308 1 0 0 25 0 1 0 179190570 13611008 896 1992294400 134512640 137136520 4294956256 18446744073709551615 135982486 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 3323 896 196 640 0 2679 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13292

[startup+6.30185 s]
/proc/loadavg: 1.00 1.00 1.05 2/65 2168
/proc/meminfo: memFree=1418440/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=14264 CPUtime=6.29
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 1181 0 0 0 627 2 0 0 25 0 1 0 179190570 14606336 1162 1992294400 134512640 137136520 4294956256 18446744073709551615 135982528 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 3566 1162 196 640 0 2922 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14264

[startup+12.7015 s]
/proc/loadavg: 1.00 1.00 1.05 2/65 2168
/proc/meminfo: memFree=1417544/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=15128 CPUtime=12.68
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 1384 0 0 0 1265 3 0 0 25 0 1 0 179190570 15491072 1365 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 3782 1365 196 640 0 3138 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 15128

[startup+25.5028 s]
/proc/loadavg: 1.00 1.00 1.05 2/65 2168
/proc/meminfo: memFree=1416840/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=15752 CPUtime=25.48
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 1540 0 0 0 2542 6 0 0 25 0 1 0 179190570 16130048 1521 1992294400 134512640 137136520 4294956256 18446744073709551615 136502148 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 3938 1521 196 640 0 3294 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 15752

[startup+51.1024 s]
/proc/loadavg: 1.00 1.00 1.04 2/65 2168
/proc/meminfo: memFree=1415880/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=16808 CPUtime=51.07
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 1797 0 0 0 5097 10 0 0 25 0 1 0 179190570 17211392 1778 1992294400 134512640 137136520 4294956256 18446744073709551615 134544001 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 4202 1778 196 640 0 3558 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 16808

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

[startup+52.7015 s]
/proc/loadavg: 1.00 1.00 1.04 2/65 2168
/proc/meminfo: memFree=1415496/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=17052 CPUtime=52.68
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 1871 0 0 0 5257 11 0 0 25 0 1 0 179190570 17461248 1852 1992294400 134512640 137136520 4294956256 18446744073709551615 134543948 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 4263 1852 196 640 0 3619 0
Current children cumulated CPU time (s) 52.68
Current children cumulated vsize (KiB) 17052

[startup+53.5016 s]
/proc/loadavg: 1.00 1.00 1.04 2/65 2168
/proc/meminfo: memFree=1415496/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=17052 CPUtime=53.47
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 1871 0 0 0 5336 11 0 0 25 0 1 0 179190570 17461248 1852 1992294400 134512640 137136520 4294956256 18446744073709551615 134543927 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 4263 1852 196 640 0 3619 0
Current children cumulated CPU time (s) 53.47
Current children cumulated vsize (KiB) 17052

[startup+54.3017 s]
/proc/loadavg: 1.00 1.00 1.04 2/65 2168
/proc/meminfo: memFree=1415496/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=17052 CPUtime=54.27
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 1871 0 0 0 5416 11 0 0 25 0 1 0 179190570 17461248 1852 1992294400 134512640 137136520 4294956256 18446744073709551615 134599977 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 4263 1852 196 640 0 3619 0
Current children cumulated CPU time (s) 54.27
Current children cumulated vsize (KiB) 17052

[startup+54.7018 s]
/proc/loadavg: 1.00 1.00 1.04 2/65 2168
/proc/meminfo: memFree=1415496/2055920 swapFree=4192812/4192956
[pid=2167] ppid=2165 vsize=17052 CPUtime=54.67
/proc/2167/stat : 2167 (bsolo) R 2165 2167 1525 0 -1 4194304 1871 0 0 0 5456 11 0 0 25 0 1 0 179190570 17461248 1852 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 0 0 0
/proc/2167/statm: 4263 1852 196 640 0 3619 0
Current children cumulated CPU time (s) 54.67
Current children cumulated vsize (KiB) 17052

Child status: 0
Real time (s): 54.731
CPU time (s): 54.7107
CPU user time (s): 54.5927
CPU system time (s): 0.117982
CPU usage (%): 99.963
Max. virtual memory (cumulated for all children) (KiB): 17052

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 54.5927
system time used= 0.117982
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1873
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= 171

runsolver used 0.057991 second user time and 0.148977 second system time

The end

Launcher Data 

Begin job on node27 at 2009-06-16 03:31:49
IDJOB=1877329
IDBENCH=1258
IDSOLVER=699
FILE ID=node27/1877329-1245115909
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-t2001.13queen13.1111221953.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877329-1245115909/watcher-1877329-1245115909 -o /tmp/evaluation-result-1877329-1245115909/solver-1877329-1245115909 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877329-1245115909.opb

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

MD5SUM BENCH= 61fac4c5cae5b046b0fa6341506f094d
RANDOM SEED=1458608850

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:       1422640 kB
Buffers:         63396 kB
Cached:         486244 kB
SwapCached:        140 kB
Active:         141132 kB
Inactive:       423080 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1422640 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4136 kB
Writeback:           0 kB
Mapped:          24204 kB
Slab:            54992 kB
Committed_AS:   146504 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 03:32:44