Trace number 2656717

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 3.2 CardSAT 2.81657 2.81582

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110969933.opb
MD5SUMbc1af809c45d4fb609c4a61db7aef018
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 benchmark0.070988
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 1252
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 3.2 - 23/05/2010 : 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 Time Limit set to 1800
0.00/0.00	c Learning Strategy: Cardinality Constraint Learning
0.00/0.00	c Instance file HOME/instance-2656717-1276274479.opb
0.00/0.00	c File size is 9909 bytes.
0.00/0.00	c Highest Coefficient sum: 1252
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: 900
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.
2.79/2.81	c      100    169      204     5217   25     1099    2820    105   3571 0.03
2.79/2.81	c      250    169      358    10601   29     1408    3103    259   3968 0.06
2.79/2.81	c      477    169      593    17240   29     1879    3414    494   3975 0.12
2.79/2.81	c      816    169      944    27650   29     2582    3756    845   3795 0.21
2.79/2.81	c     1324    169     1460    41660   28     3616    4132   1361   3368 0.39
2.79/2.81	c     2087    169     2247    71796   31     5189    4546   2148   2935 0.71
2.79/2.81	c     3233    169     3440   120665   35     7595    5001   3341   2447 1.32
2.79/2.81	c     4954    169     2627    95869   36     5956    5502   2528   1945 2.55
2.79/2.81	c Backtracks by Clause: 5380
2.79/2.81	c Backtracks by PB constraint: 4
2.79/2.81	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 
2.79/2.81	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
2.79/2.81	c    8     5384   1568     9501     3068   112269   2969   1913 2.81
2.79/2.81	s SATISFIABLE
2.79/2.81	c Total time: 2.814 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-2656717-1276274479/watcher-2656717-1276274479 -o /tmp/evaluation-result-2656717-1276274479/solver-2656717-1276274479 -C 1800 -W 2000 -M 1800 bsolo_pb10 -t1800 -l2 HOME/instance-2656717-1276274479.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 1.00 2/106 3787
/proc/meminfo: memFree=1578940/2059040 swapFree=4192956/4192956
[pid=3787] ppid=3785 vsize=10792 CPUtime=0
/proc/3787/stat : 3787 (bsolo_pb10) R 3785 3787 2309 0 -1 4202496 335 0 0 0 0 0 0 0 20 0 1 0 1103281 11051008 250 1992294400 134512640 137138936 4294351072 18446744073709551615 136505214 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/3787/statm: 2698 250 192 642 0 2054 0

[startup+0.013482 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 3787
/proc/meminfo: memFree=1578940/2059040 swapFree=4192956/4192956
[pid=3787] ppid=3785 vsize=10792 CPUtime=0.01
/proc/3787/stat : 3787 (bsolo_pb10) R 3785 3787 2309 0 -1 4202496 336 0 0 0 1 0 0 0 20 0 1 0 1103281 11051008 251 1992294400 134512640 137138936 4294351072 18446744073709551615 136570369 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/3787/statm: 2698 251 192 642 0 2054 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 10792

[startup+0.10149 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 3787
/proc/meminfo: memFree=1578940/2059040 swapFree=4192956/4192956
[pid=3787] ppid=3785 vsize=10916 CPUtime=0.09
/proc/3787/stat : 3787 (bsolo_pb10) R 3785 3787 2309 0 -1 4202496 388 0 0 0 9 0 0 0 20 0 1 0 1103281 11177984 303 1992294400 134512640 137138936 4294351072 18446744073709551615 134607142 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/3787/statm: 2729 303 192 642 0 2085 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10916

[startup+0.301502 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 3787
/proc/meminfo: memFree=1578940/2059040 swapFree=4192956/4192956
[pid=3787] ppid=3785 vsize=11288 CPUtime=0.29
/proc/3787/stat : 3787 (bsolo_pb10) R 3785 3787 2309 0 -1 4202496 471 0 0 0 29 0 0 0 20 0 1 0 1103281 11558912 386 1992294400 134512640 137138936 4294351072 18446744073709551615 134542779 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/3787/statm: 2822 386 192 642 0 2178 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11288

[startup+0.701531 s]
/proc/loadavg: 1.00 1.00 1.00 2/106 3787
/proc/meminfo: memFree=1578940/2059040 swapFree=4192956/4192956
[pid=3787] ppid=3785 vsize=11908 CPUtime=0.69
/proc/3787/stat : 3787 (bsolo_pb10) R 3785 3787 2309 0 -1 4202496 615 0 0 0 69 0 0 0 21 0 1 0 1103281 12193792 530 1992294400 134512640 137138936 4294351072 18446744073709551615 136570369 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/3787/statm: 2977 530 192 642 0 2333 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11908

[startup+1.50159 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 3788
/proc/meminfo: memFree=1577072/2059040 swapFree=4192956/4192956
[pid=3787] ppid=3785 vsize=12776 CPUtime=1.49
/proc/3787/stat : 3787 (bsolo_pb10) R 3785 3787 2309 0 -1 4202496 854 0 0 0 149 0 0 0 23 0 1 0 1103281 13082624 769 1992294400 134512640 137138936 4294351072 18446744073709551615 134542469 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/3787/statm: 3194 769 192 642 0 2550 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12776

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

[startup+2.30164 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 3788
/proc/meminfo: memFree=1575708/2059040 swapFree=4192956/4192956
[pid=3787] ppid=3785 vsize=13520 CPUtime=2.29
/proc/3787/stat : 3787 (bsolo_pb10) R 3785 3787 2309 0 -1 4202496 1023 0 0 0 228 1 0 0 25 0 1 0 1103281 13844480 938 1992294400 134512640 137138936 4294351072 18446744073709551615 136500388 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/3787/statm: 3380 938 192 642 0 2736 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 13520

[startup+2.70167 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 3788
/proc/meminfo: memFree=1575708/2059040 swapFree=4192956/4192956
[pid=3787] ppid=3785 vsize=13768 CPUtime=2.69
/proc/3787/stat : 3787 (bsolo_pb10) R 3785 3787 2309 0 -1 4202496 1077 0 0 0 268 1 0 0 25 0 1 0 1103281 14098432 992 1992294400 134512640 137138936 4294351072 18446744073709551615 134542779 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/3787/statm: 3442 992 192 642 0 2798 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 13768

[startup+2.80168 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 3788
/proc/meminfo: memFree=1575708/2059040 swapFree=4192956/4192956
[pid=3787] ppid=3785 vsize=13768 CPUtime=2.79
/proc/3787/stat : 3787 (bsolo_pb10) R 3785 3787 2309 0 -1 4202496 1077 0 0 0 278 1 0 0 25 0 1 0 1103281 14098432 992 1992294400 134512640 137138936 4294351072 18446744073709551615 134542643 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/3787/statm: 3442 992 192 642 0 2798 0
Current children cumulated CPU time (s) 2.79
Current children cumulated vsize (KiB) 13768

Child status: 0
Real time (s): 2.81582
CPU time (s): 2.81657
CPU user time (s): 2.80057
CPU system time (s): 0.015997
CPU usage (%): 100.026
Max. virtual memory (cumulated for all children) (KiB): 13768

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.80057
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1078
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= 1
involuntary context switches= 36

runsolver used 0.007998 second user time and 0.018997 second system time

The end

Launcher Data 

Begin job on node026 at 2010-06-11 18:41:19
IDJOB=2656717
IDBENCH=1205
IDSOLVER=1162
FILE ID=node026/2656717-1276274479
PBS_JOBID= 11172191
Free space on /tmp= 62508 MiB

SOLVER NAME= bsolo 3.2 Card
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110969933.opb
COMMAND LINE= bsolo_pb10 -tTIMEOUT -l2 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2656717-1276274479/watcher-2656717-1276274479 -o /tmp/evaluation-result-2656717-1276274479/solver-2656717-1276274479 -C 1800 -W 2000 -M 1800  bsolo_pb10 -t1800 -l2 HOME/instance-2656717-1276274479.opb

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

MD5SUM BENCH= bc1af809c45d4fb609c4a61db7aef018
RANDOM SEED=1872689613

node026.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.201
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.40
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		: 3000.201
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1579344 kB
Buffers:         43160 kB
Cached:         311052 kB
SwapCached:          0 kB
Active:         167944 kB
Inactive:       245376 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1579344 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            4176 kB
Writeback:           0 kB
AnonPages:       59196 kB
Mapped:          15360 kB
Slab:            44620 kB
PageTables:       4080 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180064 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62508 MiB
End job on node026 at 2010-06-11 18:41:22