Trace number 2657591

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 ClSAT 1.77273 1.77401

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
prestwich/robin/normalized-robin10.opb
MD5SUM93a881e30e7c33fefd66d9521eb49849
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 benchmark1.15482
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2025
Total number of constraints410
Number of constraints which are clauses180
Number of constraints which are cardinality constraints (but not clauses)230
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint45
Maximum length of a constraint81
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 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 83
Number of bits of the biggest sum of numbers7
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: Clause Learning
0.00/0.00	c Instance file HOME/instance-2657591-1276695498.opb
0.00/0.00	c File size is 174482 bytes.
0.00/0.02	c Highest Coefficient sum: 83
0.00/0.02	c Parsing was ok!!
0.00/0.02	c Total parsing time: 0.026 s
0.00/0.03	c Var: 2025 Constr: 410 180/230/0 Lit: 20250 Watch. Lit: 12460
0.00/0.03	c Obj. Vars: 0 (0 % of total variables)
0.19/0.22	c Pre-processing Time: 0.226 s
0.19/0.22	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.22	c        0   2025      410    20250   49    12460  168860      0      0 0.23
0.19/0.22	c Switching off lower bounding mode.
1.69/1.77	c      100   2025      510    29342   57    12660  185747    100    413 0.24
1.69/1.77	c      253   2025      663    51880   78    12966  204322    253    893 0.28
1.69/1.77	c      480   2025      890    75679   85    13420  224755    480   1403 0.34
1.69/1.77	c      819   2025     1229   116275   94    14098  247231    819   1824 0.45
1.69/1.77	c     1327   2025     1737   243793  140    15114  271955   1327   2060 0.64
1.69/1.77	c     2090   2025     2500   487895  195    16640  299151   2090   2015 1.04
1.69/1.77	c Backtracks by Clause: 0
1.69/1.77	c Backtracks by PB constraint: 0
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-x2017 -x2018 -x2019 -x2020 -x2021 -x2022 -x2023 -x2024 -x2025 
1.69/1.77	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.69/1.77	c    6     3123   1718    49563     3533   879495   3123   1765 1.77
1.69/1.77	s SATISFIABLE
1.69/1.77	c Total time: 1.769 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-2657591-1276695498/watcher-2657591-1276695498 -o /tmp/evaluation-result-2657591-1276695498/solver-2657591-1276695498 -C 1800 -W 2000 -M 1800 bsolo_pb10 -t1800 -l1 HOME/instance-2657591-1276695498.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: 0.00 0.33 0.69 3/105 17741
/proc/meminfo: memFree=1736320/2059040 swapFree=4164960/4192956
[pid=17741] ppid=17739 vsize=11096 CPUtime=0
/proc/17741/stat : 17741 (bsolo_pb10) R 17739 17741 17676 0 -1 4202496 340 0 0 0 0 0 0 0 25 0 1 0 10843376 11362304 258 1992294400 134512640 137138936 4290578992 18446744073709551615 134517302 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17741/statm: 2774 258 176 642 0 2087 0

[startup+0.0390839 s]
/proc/loadavg: 0.00 0.33 0.69 3/105 17741
/proc/meminfo: memFree=1736320/2059040 swapFree=4164960/4192956
[pid=17741] ppid=17739 vsize=11584 CPUtime=0.03
/proc/17741/stat : 17741 (bsolo_pb10) R 17739 17741 17676 0 -1 4202496 563 0 0 0 3 0 0 0 25 0 1 0 10843376 11862016 438 1992294400 134512640 137138936 4290578992 18446744073709551615 136521023 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17741/statm: 2896 438 184 642 0 2252 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 11584

[startup+0.101089 s]
/proc/loadavg: 0.00 0.33 0.69 3/105 17741
/proc/meminfo: memFree=1736320/2059040 swapFree=4164960/4192956
[pid=17741] ppid=17739 vsize=11584 CPUtime=0.09
/proc/17741/stat : 17741 (bsolo_pb10) R 17739 17741 17676 0 -1 4202496 563 0 0 0 9 0 0 0 25 0 1 0 10843376 11862016 438 1992294400 134512640 137138936 4290578992 18446744073709551615 134542516 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17741/statm: 2896 438 184 642 0 2252 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11584

[startup+0.301111 s]
/proc/loadavg: 0.00 0.33 0.69 3/105 17741
/proc/meminfo: memFree=1736320/2059040 swapFree=4164960/4192956
[pid=17741] ppid=17739 vsize=12080 CPUtime=0.29
/proc/17741/stat : 17741 (bsolo_pb10) R 17739 17741 17676 0 -1 4202496 698 0 0 0 28 1 0 0 25 0 1 0 10843376 12369920 573 1992294400 134512640 137138936 4290578992 18446744073709551615 136505051 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17741/statm: 3020 573 190 642 0 2376 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12080

[startup+0.701155 s]
/proc/loadavg: 0.00 0.33 0.69 3/105 17741
/proc/meminfo: memFree=1736320/2059040 swapFree=4164960/4192956
[pid=17741] ppid=17739 vsize=14980 CPUtime=0.69
/proc/17741/stat : 17741 (bsolo_pb10) R 17739 17741 17676 0 -1 4202496 1430 0 0 0 66 3 0 0 25 0 1 0 10843376 15339520 1305 1992294400 134512640 137138936 4290578992 18446744073709551615 134572786 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17741/statm: 3745 1305 190 642 0 3101 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 14980

[startup+1.50124 s]
/proc/loadavg: 0.08 0.34 0.69 2/106 17742
/proc/meminfo: memFree=1729120/2059040 swapFree=4164960/4192956
[pid=17741] ppid=17739 vsize=21156 CPUtime=1.49
/proc/17741/stat : 17741 (bsolo_pb10) R 17739 17741 17676 0 -1 4202496 2961 0 0 0 145 4 0 0 25 0 1 0 10843376 21663744 2836 1992294400 134512640 137138936 4290578992 18446744073709551615 134573842 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17741/statm: 5289 2837 190 642 0 4645 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 21156

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

[startup+1.70126 s]
/proc/loadavg: 0.08 0.34 0.69 2/106 17742
/proc/meminfo: memFree=1729120/2059040 swapFree=4164960/4192956
[pid=17741] ppid=17739 vsize=22452 CPUtime=1.69
/proc/17741/stat : 17741 (bsolo_pb10) R 17739 17741 17676 0 -1 4202496 3290 0 0 0 165 4 0 0 25 0 1 0 10843376 22990848 3165 1992294400 134512640 137138936 4290578992 18446744073709551615 134542155 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17741/statm: 5613 3165 190 642 0 4969 0
Current children cumulated CPU time (s) 1.69
Current children cumulated vsize (KiB) 22452

Child status: 0
Real time (s): 1.77401
CPU time (s): 1.77273
CPU user time (s): 1.72474
CPU system time (s): 0.047992
CPU usage (%): 99.9276
Max. virtual memory (cumulated for all children) (KiB): 22452

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.72474
system time used= 0.047992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3398
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= 2

runsolver used 0.003999 second user time and 0.016997 second system time

The end

Launcher Data 

Begin job on node087 at 2010-06-16 15:38:18
IDJOB=2657591
IDBENCH=1154
IDSOLVER=1163
FILE ID=node087/2657591-1276695498
PBS_JOBID= 11174038
Free space on /tmp= 62556 MiB

SOLVER NAME= bsolo 3.2 Cl
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/prestwich/robin/normalized-robin10.opb
COMMAND LINE= bsolo_pb10 -tTIMEOUT -l1 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2657591-1276695498/watcher-2657591-1276695498 -o /tmp/evaluation-result-2657591-1276695498/solver-2657591-1276695498 -C 1800 -W 2000 -M 1800  bsolo_pb10 -t1800 -l1 HOME/instance-2657591-1276695498.opb

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

MD5SUM BENCH= 93a881e30e7c33fefd66d9521eb49849
RANDOM SEED=544636148

node087.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		: 3000.213
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	: 6000.42
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		: 3000.213
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	: 5999.42
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1736724 kB
Buffers:         77376 kB
Cached:         134604 kB
SwapCached:       1016 kB
Active:          97112 kB
Inactive:       147776 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1736724 kB
SwapTotal:     4192956 kB
SwapFree:      4164960 kB
Dirty:            4364 kB
Writeback:           0 kB
AnonPages:       31844 kB
Mapped:          14596 kB
Slab:            55772 kB
PageTables:       4040 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182184 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= 62552 MiB
End job on node087 at 2010-06-16 15:38:20