Trace number 1878726

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 27.6268 27.6369

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111223696.opb
MD5SUM35d859ff8d89aabca90bcfc52829307f
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 benchmark0.568913
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 1220
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-1878726-1245115747.opb
0.00/0.00	c File size is 9907 bytes.
0.00/0.00	c Highest Coefficient sum: 1220
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      880    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
27.58/27.63	c      100    169      199     5266   26     1086    2820    100   7692 0.01
27.58/27.63	c      253    169      352    11049   31     1395    3103    253   9035 0.03
27.58/27.63	c      478    169      577    17915   31     1847    3414    478   8851 0.05
27.58/27.63	c      819    169      918    27914   30     2529    3756    819   7951 0.10
27.58/27.63	c     1327    169     1426    44681   31     3544    4132   1327   7134 0.19
27.58/27.63	c     2091    169     2190    70915   32     5071    4546   2091   5808 0.36
27.58/27.63	c     3238    169     3337   111510   33     7365    5001   3238   4429 0.73
27.58/27.63	c     4960    169     5059   179405   35    10809    5502   4960   3408 1.46
27.58/27.63	c     7546    169     4795   193259   40    10282    6053   4696   2819 2.68
27.58/27.63	c    11425    169     5562   216626   38    11816    6659   5463   2389 4.78
27.58/27.63	c    17248    169     4546   177248   38     9783    7325   4447   2205 7.82
27.58/27.63	c    25994    169     5758   240763   41    12207    8058   5659   1921 13.53
27.58/27.63	c    39105    169     6438   296828   46    13565    8864   6339   1693 23.09
27.58/27.63	c Backtracks by Clause: 0
27.58/27.63	c Backtracks by PB constraint: 0
27.58/27.63	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 
27.58/27.63	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
27.58/27.63	c   13    44150  11081    68105     6945   294223   6846   1598 27.62
27.58/27.63	s SATISFIABLE
27.58/27.63	c Total time: 27.624 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-1878726-1245115747/watcher-1878726-1245115747 -o /tmp/evaluation-result-1878726-1245115747/solver-1878726-1245115747 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1878726-1245115747.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: 1.02 0.97 0.99 3/64 1028
/proc/meminfo: memFree=1241784/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=10708 CPUtime=0
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179175619 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 2677 239 188 640 0 2033 0

[startup+0.0324481 s]
/proc/loadavg: 1.02 0.97 0.99 3/64 1028
/proc/meminfo: memFree=1241784/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=10840 CPUtime=0.02
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 307 0 0 0 2 0 0 0 18 0 1 0 179175619 11100160 288 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 2710 288 195 640 0 2066 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 10840

[startup+0.10146 s]
/proc/loadavg: 1.02 0.97 0.99 3/64 1028
/proc/meminfo: memFree=1241784/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=11096 CPUtime=0.09
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 370 0 0 0 9 0 0 0 18 0 1 0 179175619 11362304 351 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 2774 351 195 640 0 2130 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11096

[startup+0.301498 s]
/proc/loadavg: 1.02 0.97 0.99 3/64 1028
/proc/meminfo: memFree=1241784/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=11612 CPUtime=0.29
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 512 0 0 0 29 0 0 0 19 0 1 0 179175619 11890688 493 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 2903 493 195 640 0 2259 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11612

[startup+0.701575 s]
/proc/loadavg: 1.02 0.97 0.99 3/64 1028
/proc/meminfo: memFree=1241784/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=12380 CPUtime=0.69
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 695 0 0 0 69 0 0 0 22 0 1 0 179175619 12677120 676 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 3095 676 195 640 0 2451 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12380

[startup+1.50173 s]
/proc/loadavg: 1.02 0.97 0.99 2/65 1029
/proc/meminfo: memFree=1239344/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=13524 CPUtime=1.49
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 988 0 0 0 149 0 0 0 25 0 1 0 179175619 13848576 969 1992294400 134512640 137136520 4294956256 18446744073709551615 134544080 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 3381 969 195 640 0 2737 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13524

[startup+3.10104 s]
/proc/loadavg: 1.02 0.97 0.99 2/65 1029
/proc/meminfo: memFree=1238128/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=14036 CPUtime=3.09
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 1097 0 0 0 308 1 0 0 25 0 1 0 179175619 14372864 1078 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 3509 1078 195 640 0 2865 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 14036

[startup+6.30165 s]
/proc/loadavg: 1.10 0.99 1.00 2/65 1029
/proc/meminfo: memFree=1237424/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=14784 CPUtime=6.29
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 1309 0 0 0 626 3 0 0 25 0 1 0 179175619 15138816 1290 1992294400 134512640 137136520 4294956256 18446744073709551615 134543831 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 3696 1290 195 640 0 3052 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14784

[startup+12.7019 s]
/proc/loadavg: 1.09 0.99 1.00 2/65 1029
/proc/meminfo: memFree=1236528/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=15680 CPUtime=12.69
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 1512 0 0 0 1265 4 0 0 25 0 1 0 179175619 16056320 1493 1992294400 134512640 137136520 4294956256 18446744073709551615 134543831 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 3920 1493 195 640 0 3276 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 15680

[startup+25.5013 s]
/proc/loadavg: 1.07 0.99 1.00 2/65 1029
/proc/meminfo: memFree=1235568/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=16704 CPUtime=25.48
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 1762 0 0 0 2541 7 0 0 25 0 1 0 179175619 17104896 1743 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 4176 1743 195 640 0 3532 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 16704

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

[startup+26.3015 s]
/proc/loadavg: 1.07 0.99 1.00 2/65 1029
/proc/meminfo: memFree=1235056/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=16956 CPUtime=26.29
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 1841 0 0 0 2621 8 0 0 25 0 1 0 179175619 17362944 1822 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 4239 1822 195 640 0 3595 0
Current children cumulated CPU time (s) 26.29
Current children cumulated vsize (KiB) 16956

[startup+27.1016 s]
/proc/loadavg: 1.07 0.99 1.00 2/65 1029
/proc/meminfo: memFree=1235056/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=16956 CPUtime=27.08
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 1841 0 0 0 2700 8 0 0 25 0 1 0 179175619 17362944 1822 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 4239 1822 195 640 0 3595 0
Current children cumulated CPU time (s) 27.08
Current children cumulated vsize (KiB) 16956

[startup+27.5057 s]
/proc/loadavg: 1.07 0.99 1.00 2/65 1029
/proc/meminfo: memFree=1235120/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=16956 CPUtime=27.48
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 1841 0 0 0 2740 8 0 0 25 0 1 0 179175619 17362944 1822 1992294400 134512640 137136520 4294956256 18446744073709551615 134544440 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 4239 1822 195 640 0 3595 0
Current children cumulated CPU time (s) 27.48
Current children cumulated vsize (KiB) 16956

[startup+27.6017 s]
/proc/loadavg: 1.07 0.99 1.00 2/65 1029
/proc/meminfo: memFree=1235120/2055920 swapFree=4183064/4192956
[pid=1028] ppid=1026 vsize=16956 CPUtime=27.58
/proc/1028/stat : 1028 (bsolo) R 1026 1028 32550 0 -1 4194304 1841 0 0 0 2750 8 0 0 25 0 1 0 179175619 17362944 1822 1992294400 134512640 137136520 4294956256 18446744073709551615 136500521 0 0 4096 16384 0 0 0 17 1 0 0
/proc/1028/statm: 4239 1822 195 640 0 3595 0
Current children cumulated CPU time (s) 27.58
Current children cumulated vsize (KiB) 16956

Child status: 0
Real time (s): 27.6369
CPU time (s): 27.6268
CPU user time (s): 27.5388
CPU system time (s): 0.087986
CPU usage (%): 99.9633
Max. virtual memory (cumulated for all children) (KiB): 16956

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 27.5388
system time used= 0.087986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1844
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 0.020996 second user time and 0.068989 second system time

The end

Launcher Data 

Begin job on node5 at 2009-06-16 03:29:07
IDJOB=1878726
IDBENCH=1225
IDSOLVER=700
FILE ID=node5/1878726-1245115747
PBS_JOBID= 9363644
Free space on /tmp= 66256 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111223696.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1878726-1245115747/watcher-1878726-1245115747 -o /tmp/evaluation-result-1878726-1245115747/solver-1878726-1245115747 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1878726-1245115747.opb

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

MD5SUM BENCH= 35d859ff8d89aabca90bcfc52829307f
RANDOM SEED=1566961351

node5.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		: 3000.259
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	: 5931.00
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		: 3000.259
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:       1242200 kB
Buffers:         80224 kB
Cached:         634256 kB
SwapCached:       4008 kB
Active:          54392 kB
Inactive:       668252 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1242200 kB
SwapTotal:     4192956 kB
SwapFree:      4183064 kB
Dirty:            4220 kB
Writeback:           0 kB
Mapped:          14580 kB
Slab:            77104 kB
Committed_AS:   141936 kB
PageTables:       1392 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= 66252 MiB
End job on node5 at 2009-06-16 03:29:35