Trace number 1877301

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 19.2371 19.2426

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111223416.opb
MD5SUM97d777a76af6dd4a37c6649bc0f315d3
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 benchmark0.703892
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 1208
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-1877301-1245115785.opb
0.00/0.00	c File size is 9907 bytes.
0.00/0.00	c Highest Coefficient sum: 1208
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: 897
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.
19.18/19.24	c      100    169      202     4193   20     1095    2820    103   3846 0.03
19.18/19.24	c      251    169      355    10109   28     1401    3103    256   4327 0.06
19.18/19.24	c      480    169      592    21947   37     1876    3414    493   4137 0.12
19.18/19.24	c      818    169      941    32924   34     2573    3756    842   3932 0.21
19.18/19.24	c     1326    169     1464    51287   35     3621    4132   1365   3622 0.37
19.18/19.24	c     2089    169     2250    82564   36     5192    4546   2151   3228 0.65
19.18/19.24	c     3235    169     3451   130134   37     7603    5001   3352   2704 1.20
19.18/19.24	c     4956    169     2618    85612   32     5935    5502   2519   2186 2.27
19.18/19.24	c     7540    169     5264   170276   32    11228    6053   5165   2095 3.60
19.18/19.24	c    11421    169     6152   212482   34    13005    6659   6053   1914 5.97
19.18/19.24	c    17243    169     5403   225994   41    11550    7325   5304   1643 10.49
19.18/19.24	c    25983    169     6934   280316   40    14626    8058   6835   1479 17.57
19.18/19.24	c Backtracks by Clause: 27336
19.18/19.24	c Backtracks by PB constraint: 10
19.18/19.24	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 
19.18/19.24	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
19.18/19.24	c   12    27346   7019    42382     4211   162248   4112   1421 19.23
19.18/19.24	s SATISFIABLE
19.18/19.24	c Total time: 19.235 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-1877301-1245115785/watcher-1877301-1245115785 -o /tmp/evaluation-result-1877301-1245115785/solver-1877301-1245115785 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877301-1245115785.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: 1.01 1.00 1.03 2/64 31689
/proc/meminfo: memFree=1832296/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=10708 CPUtime=0
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 265 0 0 0 0 0 0 0 18 0 1 0 179178786 10964992 246 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 2677 246 190 640 0 2033 0

[startup+0.073164 s]
/proc/loadavg: 1.01 1.00 1.03 2/64 31689
/proc/meminfo: memFree=1832296/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=10832 CPUtime=0.06
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 317 0 0 0 6 0 0 0 18 0 1 0 179178786 11091968 298 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 2708 298 196 640 0 2064 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 10832

[startup+0.101166 s]
/proc/loadavg: 1.01 1.00 1.03 2/64 31689
/proc/meminfo: memFree=1832296/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=10956 CPUtime=0.09
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 339 0 0 0 9 0 0 0 18 0 1 0 179178786 11218944 320 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 2739 320 196 640 0 2095 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10956

[startup+0.301186 s]
/proc/loadavg: 1.01 1.00 1.03 2/64 31689
/proc/meminfo: memFree=1832296/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=11328 CPUtime=0.29
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 437 0 0 0 29 0 0 0 19 0 1 0 179178786 11599872 418 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 2832 418 196 640 0 2188 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11328

[startup+0.701226 s]
/proc/loadavg: 1.01 1.00 1.03 2/64 31689
/proc/meminfo: memFree=1832296/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=12060 CPUtime=0.69
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 605 0 0 0 69 0 0 0 22 0 1 0 179178786 12349440 586 1992294400 134512640 137136520 4294956256 18446744073709551615 134573386 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 3015 586 196 640 0 2371 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12060

[startup+1.50131 s]
/proc/loadavg: 1.01 1.00 1.03 2/65 31690
/proc/meminfo: memFree=1830304/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=12916 CPUtime=1.49
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 845 0 0 0 148 1 0 0 25 0 1 0 179178786 13225984 826 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 3229 826 196 640 0 2585 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12916

[startup+3.10147 s]
/proc/loadavg: 1.01 1.00 1.03 2/65 31690
/proc/meminfo: memFree=1829160/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=13664 CPUtime=3.09
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 1010 0 0 0 308 1 0 0 25 0 1 0 179178786 13991936 991 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 3416 991 196 640 0 2772 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13664

[startup+6.30179 s]
/proc/loadavg: 1.01 1.00 1.03 2/65 31690
/proc/meminfo: memFree=1828520/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=14284 CPUtime=6.29
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 1176 0 0 0 627 2 0 0 25 0 1 0 179178786 14626816 1157 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 3571 1157 196 640 0 2927 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14284

[startup+12.7014 s]
/proc/loadavg: 1.01 1.00 1.03 2/65 31690
/proc/meminfo: memFree=1827496/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=15496 CPUtime=12.68
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 1468 0 0 0 1266 2 0 0 25 0 1 0 179178786 15867904 1449 1992294400 134512640 137136520 4294956256 18446744073709551615 134559327 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 3874 1449 196 640 0 3230 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 15496

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

[startup+15.9028 s]
/proc/loadavg: 1.00 1.00 1.03 2/65 31690
/proc/meminfo: memFree=1827112/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=15496 CPUtime=15.89
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 1468 0 0 0 1586 3 0 0 25 0 1 0 179178786 15867904 1449 1992294400 134512640 137136520 4294956256 18446744073709551615 134543957 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 3874 1449 196 640 0 3230 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 15496

[startup+17.5019 s]
/proc/loadavg: 1.00 1.00 1.03 2/65 31690
/proc/meminfo: memFree=1827112/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=15496 CPUtime=17.49
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 1468 0 0 0 1746 3 0 0 25 0 1 0 179178786 15867904 1449 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 3874 1449 196 640 0 3230 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 15496

[startup+18.302 s]
/proc/loadavg: 1.00 1.00 1.03 2/65 31690
/proc/meminfo: memFree=1827112/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=15496 CPUtime=18.28
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 1468 0 0 0 1825 3 0 0 25 0 1 0 179178786 15867904 1449 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 3874 1449 196 640 0 3230 0
Current children cumulated CPU time (s) 18.28
Current children cumulated vsize (KiB) 15496

[startup+18.705 s]
/proc/loadavg: 1.00 1.00 1.03 2/65 31690
/proc/meminfo: memFree=1826920/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=15620 CPUtime=18.69
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 1520 0 0 0 1866 3 0 0 25 0 1 0 179178786 15994880 1501 1992294400 134512640 137136520 4294956256 18446744073709551615 134543881 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 3905 1501 196 640 0 3261 0
Current children cumulated CPU time (s) 18.69
Current children cumulated vsize (KiB) 15620

[startup+19.1011 s]
/proc/loadavg: 1.00 1.00 1.03 2/65 31690
/proc/meminfo: memFree=1826920/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=15868 CPUtime=19.08
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 1573 0 0 0 1905 3 0 0 25 0 1 0 179178786 16248832 1554 1992294400 134512640 137136520 4294956256 18446744073709551615 134616536 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 3967 1554 196 640 0 3323 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 15868

[startup+19.2011 s]
/proc/loadavg: 1.00 1.00 1.03 2/65 31690
/proc/meminfo: memFree=1826920/2055920 swapFree=4182564/4192956
[pid=31689] ppid=31687 vsize=15868 CPUtime=19.18
/proc/31689/stat : 31689 (bsolo) R 31687 31689 31327 0 -1 4194304 1584 0 0 0 1915 3 0 0 25 0 1 0 179178786 16248832 1565 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31689/statm: 3967 1565 196 640 0 3323 0
Current children cumulated CPU time (s) 19.18
Current children cumulated vsize (KiB) 15868

Child status: 0
Real time (s): 19.2426
CPU time (s): 19.2371
CPU user time (s): 19.1971
CPU system time (s): 0.039993
CPU usage (%): 99.9711
Max. virtual memory (cumulated for all children) (KiB): 15868

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 19.1971
system time used= 0.039993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1586
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= 35

runsolver used 0.019996 second user time and 0.042993 second system time

The end

Launcher Data 

Begin job on node17 at 2009-06-16 03:29:45
IDJOB=1877301
IDBENCH=1230
IDSOLVER=699
FILE ID=node17/1877301-1245115785
PBS_JOBID= 9363650
Free space on /tmp= 66356 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111223416.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877301-1245115785/watcher-1877301-1245115785 -o /tmp/evaluation-result-1877301-1245115785/solver-1877301-1245115785 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877301-1245115785.opb

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

MD5SUM BENCH= 97d777a76af6dd4a37c6649bc0f315d3
RANDOM SEED=1556698840

node17.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		: 3000.214
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		: 3000.214
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:       1832904 kB
Buffers:          9772 kB
Cached:         142064 kB
SwapCached:       4224 kB
Active:          34580 kB
Inactive:       125088 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1832904 kB
SwapTotal:     4192956 kB
SwapFree:      4182564 kB
Dirty:            4016 kB
Writeback:           0 kB
Mapped:          13688 kB
Slab:            49300 kB
Committed_AS:   151760 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= 66352 MiB
End job on node17 at 2009-06-16 03:30:05