Trace number 1879242

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 pbSAT 1.60876 1.61003

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_50_25_5_5.opb
MD5SUM75c882bb71d8104d0d1ded9798081675
Bench CategoryDEC-SMALLINT-NLC (no optimisation, small integers, non linear constraints)
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 benchmark0.080987
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables100
Total number of constraints152
Number of constraints which are clauses50
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints101
Minimum length of a constraint2
Maximum length of a constraint100
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 5
Number of bits of the biggest number in a constraint 3
Biggest sum of numbers in a constraint 100
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)2928
Sum of products size (including duplicates)5856
Number of different products1464
Sum of products size2928

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: Generic Pseudo-Boolean 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-1879242-1245247998.opb
0.00/0.00	c File size is 117672 bytes.
0.00/0.01	c Highest Coefficient sum: 100
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.015 s
0.00/0.01	c Var: 1564 Constr: 3081 1514/103/1464 Lit: 12062 Watch. Lit: 10456
0.00/0.01	c Obj. Vars: 0 (0 % of total variables)
1.39/1.42	c Pre-processing Time: 1.423 s
1.39/1.42	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.39/1.42	c        0   1564     3081    12062    3    10456   39235      0      0 1.42
1.39/1.42	c Switching off lower bounding mode.
1.59/1.60	c      108   1564     3297    18433    5    14831   43159    216     74 1.44
1.59/1.60	c      258   1564     3597    43533   12    22131   47475    516    171 1.50
1.59/1.60	c Backtracks by Clause: 416
1.59/1.60	c Backtracks by PB constraint: 14
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1.59/1.60	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.59/1.60	c    2      430    176     2446     3941    78465    860    267 1.61
1.59/1.60	s SATISFIABLE
1.59/1.60	c Total time: 1.607 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-1879242-1245247998/watcher-1879242-1245247998 -o /tmp/evaluation-result-1879242-1245247998/solver-1879242-1245247998 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1879242-1245247998.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 0.97 3/64 11071
/proc/meminfo: memFree=1849064/2055920 swapFree=4181252/4192956
[pid=11071] ppid=11069 vsize=18640 CPUtime=0
/proc/11071/stat : 11071 (bsolo) R 11069 11071 10594 0 -1 4194304 253 0 0 0 0 0 0 0 18 0 1 0 192396193 19087360 237 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11071/statm: 4660 238 174 640 0 3987 0

[startup+0.0228189 s]
/proc/loadavg: 1.00 1.00 0.97 3/64 11071
/proc/meminfo: memFree=1849064/2055920 swapFree=4181252/4192956
[pid=11071] ppid=11069 vsize=11532 CPUtime=0.01
/proc/11071/stat : 11071 (bsolo) R 11069 11071 10594 0 -1 4194304 499 0 0 0 1 0 0 0 18 0 1 0 192396193 11808768 454 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11071/statm: 2883 454 189 640 0 2239 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 11532

[startup+0.101831 s]
/proc/loadavg: 1.00 1.00 0.97 3/64 11071
/proc/meminfo: memFree=1849064/2055920 swapFree=4181252/4192956
[pid=11071] ppid=11069 vsize=11532 CPUtime=0.09
/proc/11071/stat : 11071 (bsolo) R 11069 11071 10594 0 -1 4194304 500 0 0 0 9 0 0 0 18 0 1 0 192396193 11808768 455 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11071/statm: 2883 455 189 640 0 2239 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11532

[startup+0.301865 s]
/proc/loadavg: 1.00 1.00 0.97 3/64 11071
/proc/meminfo: memFree=1849064/2055920 swapFree=4181252/4192956
[pid=11071] ppid=11069 vsize=11532 CPUtime=0.29
/proc/11071/stat : 11071 (bsolo) R 11069 11071 10594 0 -1 4194304 500 0 0 0 29 0 0 0 19 0 1 0 192396193 11808768 455 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11071/statm: 2883 455 189 640 0 2239 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11532

[startup+0.701934 s]
/proc/loadavg: 1.00 1.00 0.97 3/64 11071
/proc/meminfo: memFree=1849064/2055920 swapFree=4181252/4192956
[pid=11071] ppid=11069 vsize=11532 CPUtime=0.69
/proc/11071/stat : 11071 (bsolo) R 11069 11071 10594 0 -1 4194304 500 0 0 0 69 0 0 0 22 0 1 0 192396193 11808768 455 1992294400 134512640 137136520 4294956256 18446744073709551615 134543840 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11071/statm: 2883 455 189 640 0 2239 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11532

[startup+1.50107 s]
/proc/loadavg: 1.00 1.00 0.97 2/65 11072
/proc/meminfo: memFree=1848032/2055920 swapFree=4181252/4192956
[pid=11071] ppid=11069 vsize=12180 CPUtime=1.49
/proc/11071/stat : 11071 (bsolo) R 11069 11071 10594 0 -1 4194304 675 0 0 0 148 1 0 0 25 0 1 0 192396193 12472320 630 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11071/statm: 3045 630 197 640 0 2401 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12180

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

[startup+1.60109 s]
/proc/loadavg: 1.00 1.00 0.97 2/65 11072
/proc/meminfo: memFree=1848032/2055920 swapFree=4181252/4192956
[pid=11071] ppid=11069 vsize=12916 CPUtime=1.59
/proc/11071/stat : 11071 (bsolo) R 11069 11071 10594 0 -1 4194304 849 0 0 0 158 1 0 0 25 0 1 0 192396193 13225984 804 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/11071/statm: 3229 804 197 640 0 2585 0
Current children cumulated CPU time (s) 1.59
Current children cumulated vsize (KiB) 12916

Child status: 0
Real time (s): 1.61003
CPU time (s): 1.60876
CPU user time (s): 1.59576
CPU system time (s): 0.012998
CPU usage (%): 99.9206
Max. virtual memory (cumulated for all children) (KiB): 12916

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.59576
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 862
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= 2

runsolver used 0.004999 second user time and 0.008998 second system time

The end

Launcher Data 

Begin job on node48 at 2009-06-17 16:13:18
IDJOB=1879242
IDBENCH=48297
IDSOLVER=701
FILE ID=node48/1879242-1245247998
PBS_JOBID= 9372292
Free space on /tmp= 66236 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_50_25_5_5.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1879242-1245247998/watcher-1879242-1245247998 -o /tmp/evaluation-result-1879242-1245247998/solver-1879242-1245247998 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1879242-1245247998.opb

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

MD5SUM BENCH= 75c882bb71d8104d0d1ded9798081675
RANDOM SEED=1460448396

node48.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		: 3000.270
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		: 3000.270
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:       1849672 kB
Buffers:         26800 kB
Cached:         112708 kB
SwapCached:       5468 kB
Active:          31476 kB
Inactive:       115872 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1849672 kB
SwapTotal:     4192956 kB
SwapFree:      4181252 kB
Dirty:            3976 kB
Writeback:           0 kB
Mapped:          13544 kB
Slab:            44876 kB
Committed_AS:   174224 kB
PageTables:       1372 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1879242-1245247998.opb

Free space on /tmp at the end= 66232 MiB
End job on node48 at 2009-06-17 16:13:20