Trace number 2671176

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 21.5527 21.5573

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 benchmark0.31795
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 3.2 - 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-2671176-1276720593.opb
0.00/0.00	c File size is 117672 bytes.
0.00/0.02	c Highest Coefficient sum: 100
0.00/0.02	c Parsing was ok!!
0.00/0.02	c Total parsing time: 0.021 s
0.00/0.02	c Var: 1564 Constr: 3081 1514/103/1464 Lit: 12062 Watch. Lit: 10456
0.00/0.02	c Obj. Vars: 0 (0 % of total variables)
1.39/1.42	c Pre-processing Time: 1.422 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.
21.48/21.55	c      115   1564     3196    21287    6    10686   43159    115     79 1.44
21.48/21.55	c      272   1564     3353    34050   10    11000   47475    272    185 1.47
21.48/21.55	c      501   1564     3582    51560   14    11458   52223    501    330 1.52
21.48/21.55	c      842   1564     3923    77873   19    12140   57446    842    531 1.58
21.48/21.55	c     1351   1564     4432   113705   25    13158   63191   1351    780 1.73
21.48/21.55	c     2114   1564     5195   170450   32    14684   69511   2114   1090 1.94
21.48/21.55	c     3260   1564     6341   253400   39    16976   76463   3260   1394 2.34
21.48/21.55	c     4982   1564     8063   384353   47    20420   84110   4982   1548 3.22
21.48/21.55	c     7575   1564    10656   563632   52    25606   92522   7575   1516 5.00
21.48/21.55	c    11454   1564    14535   867193   59    33364  101775  11454   1370 8.36
21.48/21.55	c    17280   1564    20361  1316359   64    45016  111953  17280   1001 17.25
21.48/21.55	c Backtracks by Clause: 0
21.48/21.55	c Backtracks by PB constraint: 0
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21.48/21.55	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
21.48/21.55	c   11    19467   3770    49221    22548  1487531  19467    903 21.55
21.48/21.55	s SATISFIABLE
21.48/21.55	c Total time: 21.548 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-2671176-1276720593/watcher-2671176-1276720593 -o /tmp/evaluation-result-2671176-1276720593/solver-2671176-1276720593 -C 1800 -W 2000 -M 1800 bsolo_pb10 -t1800 -l1 HOME/instance-2671176-1276720593.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: 0.93 0.98 0.99 3/106 17221
/proc/meminfo: memFree=1810492/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=10912 CPUtime=0
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 334 0 0 0 0 0 0 0 18 0 1 0 13350971 11173888 253 1992294400 134512640 137138936 4290653728 18446744073709551615 134517592 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 2728 254 175 642 0 2055 0

[startup+0.10736 s]
/proc/loadavg: 0.93 0.98 0.99 3/106 17221
/proc/meminfo: memFree=1810492/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=11600 CPUtime=0.1
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 562 0 0 0 10 0 0 0 20 0 1 0 13350971 11878400 452 1992294400 134512640 137138936 4290653728 18446744073709551615 134566226 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 2900 452 184 642 0 2256 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 11600

[startup+0.201368 s]
/proc/loadavg: 0.93 0.98 0.99 3/106 17221
/proc/meminfo: memFree=1810492/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=11600 CPUtime=0.19
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 562 0 0 0 19 0 0 0 20 0 1 0 13350971 11878400 452 1992294400 134512640 137138936 4290653728 18446744073709551615 134543427 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 2900 452 184 642 0 2256 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 11600

[startup+0.301377 s]
/proc/loadavg: 0.93 0.98 0.99 3/106 17221
/proc/meminfo: memFree=1810492/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=11600 CPUtime=0.29
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 562 0 0 0 29 0 0 0 20 0 1 0 13350971 11878400 452 1992294400 134512640 137138936 4290653728 18446744073709551615 136295502 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 2900 452 184 642 0 2256 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11600

[startup+0.701411 s]
/proc/loadavg: 0.93 0.98 0.99 3/106 17221
/proc/meminfo: memFree=1810492/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=11600 CPUtime=0.69
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 562 0 0 0 69 0 0 0 21 0 1 0 13350971 11878400 452 1992294400 134512640 137138936 4290653728 18446744073709551615 134566244 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 2900 452 184 642 0 2256 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11600

[startup+1.50148 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 17222
/proc/meminfo: memFree=1809616/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=12092 CPUtime=1.49
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 680 0 0 0 149 0 0 0 23 0 1 0 13350971 12382208 570 1992294400 134512640 137138936 4290653728 18446744073709551615 134542322 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 3023 570 190 642 0 2379 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12092

[startup+3.10162 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 17222
/proc/meminfo: memFree=1806392/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=16656 CPUtime=3.1
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 1833 0 0 0 307 3 0 0 25 0 1 0 13350971 17055744 1723 1992294400 134512640 137138936 4290653728 18446744073709551615 134542316 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 4164 1723 190 642 0 3520 0
Current children cumulated CPU time (s) 3.1
Current children cumulated vsize (KiB) 16656

[startup+6.3009 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 17222
/proc/meminfo: memFree=1800812/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=21340 CPUtime=6.29
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 3010 0 0 0 624 5 0 0 25 0 1 0 13350971 21852160 2900 1992294400 134512640 137138936 4290653728 18446744073709551615 134542497 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 5335 2900 190 642 0 4691 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 21340

[startup+12.7015 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 17222
/proc/meminfo: memFree=1794240/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=27296 CPUtime=12.69
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 4488 0 0 0 1261 8 0 0 25 0 1 0 13350971 27951104 4378 1992294400 134512640 137138936 4290653728 18446744073709551615 136570369 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 6824 4378 190 642 0 6180 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 27296

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

[startup+12.8015 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 17222
/proc/meminfo: memFree=1794240/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=27296 CPUtime=12.79
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 4501 0 0 0 1271 8 0 0 25 0 1 0 13350971 27951104 4391 1992294400 134512640 137138936 4290653728 18446744073709551615 134542484 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 6824 4391 190 642 0 6180 0
Current children cumulated CPU time (s) 12.79
Current children cumulated vsize (KiB) 27296

[startup+16.0007 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 17222
/proc/meminfo: memFree=1792008/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=29456 CPUtime=15.99
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 5041 0 0 0 1590 9 0 0 25 0 1 0 13350971 30162944 4931 1992294400 134512640 137138936 4290653728 18446744073709551615 134542480 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 7364 4931 190 642 0 6720 0
Current children cumulated CPU time (s) 15.99
Current children cumulated vsize (KiB) 29456

[startup+19.201 s]
/proc/loadavg: 0.95 0.98 0.99 2/107 17222
/proc/meminfo: memFree=1790272/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=31224 CPUtime=19.19
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 5490 0 0 0 1909 10 0 0 25 0 1 0 13350971 31973376 5380 1992294400 134512640 137138936 4290653728 18446744073709551615 134542199 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 7806 5380 190 642 0 7162 0
Current children cumulated CPU time (s) 19.19
Current children cumulated vsize (KiB) 31224

[startup+20.8012 s]
/proc/loadavg: 0.95 0.98 0.99 2/107 17222
/proc/meminfo: memFree=1789652/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=32188 CPUtime=20.78
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 5724 0 0 0 2068 10 0 0 25 0 1 0 13350971 32960512 5614 1992294400 134512640 137138936 4290653728 18446744073709551615 134542199 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 8047 5614 190 642 0 7403 0
Current children cumulated CPU time (s) 20.78
Current children cumulated vsize (KiB) 32188

[startup+21.2012 s]
/proc/loadavg: 0.95 0.98 0.99 2/107 17222
/proc/meminfo: memFree=1788908/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=32424 CPUtime=21.18
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 5775 0 0 0 2108 10 0 0 25 0 1 0 13350971 33202176 5665 1992294400 134512640 137138936 4290653728 18446744073709551615 134542233 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 8106 5665 190 642 0 7462 0
Current children cumulated CPU time (s) 21.18
Current children cumulated vsize (KiB) 32424

[startup+21.4012 s]
/proc/loadavg: 0.95 0.98 0.99 2/107 17222
/proc/meminfo: memFree=1788908/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=32544 CPUtime=21.38
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 5798 0 0 0 2128 10 0 0 25 0 1 0 13350971 33325056 5688 1992294400 134512640 137138936 4290653728 18446744073709551615 134542761 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 8136 5688 190 642 0 7492 0
Current children cumulated CPU time (s) 21.38
Current children cumulated vsize (KiB) 32544

[startup+21.5012 s]
/proc/loadavg: 0.95 0.98 0.99 2/107 17222
/proc/meminfo: memFree=1788908/2059040 swapFree=4141112/4192956
[pid=17221] ppid=17219 vsize=32548 CPUtime=21.48
/proc/17221/stat : 17221 (bsolo_pb10) R 17219 17221 16732 0 -1 4202496 5810 0 0 0 2138 10 0 0 25 0 1 0 13350971 33329152 5700 1992294400 134512640 137138936 4290653728 18446744073709551615 134542295 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/17221/statm: 8137 5700 190 642 0 7493 0
Current children cumulated CPU time (s) 21.48
Current children cumulated vsize (KiB) 32548

Child status: 0
Real time (s): 21.5573
CPU time (s): 21.5527
CPU user time (s): 21.4417
CPU system time (s): 0.110983
CPU usage (%): 99.9787
Max. virtual memory (cumulated for all children) (KiB): 32548

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 21.4417
system time used= 0.110983
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5820
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= 260

runsolver used 0.033994 second user time and 0.110983 second system time

The end

Launcher Data 

Begin job on node050 at 2010-06-16 22:36:33
IDJOB=2671176
IDBENCH=48297
IDSOLVER=1163
FILE ID=node050/2671176-1276720593
PBS_JOBID= 11174165
Free space on /tmp= 62572 MiB

SOLVER NAME= bsolo 3.2 Cl
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_50_25_5_5.opb
COMMAND LINE= bsolo_pb10 -tTIMEOUT -l1 BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2671176-1276720593/watcher-2671176-1276720593 -o /tmp/evaluation-result-2671176-1276720593/solver-2671176-1276720593 -C 1800 -W 2000 -M 1800  bsolo_pb10 -t1800 -l1 HOME/instance-2671176-1276720593.opb

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

MD5SUM BENCH= 75c882bb71d8104d0d1ded9798081675
RANDOM SEED=1683746358

node050.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		: 3000.215
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	: 6000.43
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		: 3000.215
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	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1811516 kB
Buffers:         35640 kB
Cached:         121356 kB
SwapCached:       6564 kB
Active:          81000 kB
Inactive:        90252 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1811516 kB
SwapTotal:     4192956 kB
SwapFree:      4141112 kB
Dirty:            4216 kB
Writeback:           0 kB
AnonPages:       11828 kB
Mapped:          13088 kB
Slab:            54572 kB
PageTables:       4104 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181680 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-2671176-1276720593.opb

Free space on /tmp at the end= 62568 MiB
End job on node050 at 2010-06-16 22:36:55