Trace number 2657802

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 58.4141 58.4522

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v30_e350_d15_mw10_2.opb.PB06.opb
MD5SUM2882e17c9be8b3b8a5ac8492f26b9dcd
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 benchmark1.55276
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1600
Total number of constraints328901
Number of constraints which are clauses327070
Number of constraints which are cardinality constraints (but not clauses)61
Number of constraints which are nor clauses,nor cardinality constraints1770
Minimum length of a constraint2
Maximum length of a constraint700
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 280
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 825
Number of bits of the biggest sum of numbers10
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-2657802-1276319977.opb
0.00/0.00	c File size is 11433731 bytes.
1.89/1.96	c Highest Coefficient sum: 825
1.89/1.96	c Parsing was ok!!
1.89/1.96	c Total parsing time: 1.959 s
1.99/2.08	c Var: 1600 Constr: 328962 327130/62/1770 Lit: 1068140 Watch. Lit: 709702
1.99/2.08	c Obj. Vars: 0 (0 % of total variables)
58.26/58.31	c Pre-processing Time: 58.274 s
58.26/58.32	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
58.26/58.32	c        0   1600   307962  1005140    3   678598  249583      0      0 58.27
58.26/58.32	c Switching off lower bounding mode.
58.35/58.44	c Backtracks by Clause: 0
58.35/58.44	c Backtracks by PB constraint: 0
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58.35/58.44	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
58.35/58.44	c    0        5      1      685   307967  1005455      5      0 58.41
58.35/58.44	s SATISFIABLE
58.35/58.44	c Total time: 58.405 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-2657802-1276319977/watcher-2657802-1276319977 -o /tmp/evaluation-result-2657802-1276319977/solver-2657802-1276319977 -C 1800 -W 2000 -M 1800 bsolo_pb10 -t1800 -l1 HOME/instance-2657802-1276319977.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 1.17 1.34 2/106 8521
/proc/meminfo: memFree=1503792/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=22096 CPUtime=0
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 344 0 0 0 0 0 0 0 21 0 1 0 5649625 22626304 263 1992294400 134512640 137138936 4289775120 18446744073709551615 136506715 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 5524 263 175 642 0 2088 0

[startup+0.0951471 s]
/proc/loadavg: 1.00 1.17 1.34 2/106 8521
/proc/meminfo: memFree=1503792/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=24008 CPUtime=0.09
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 946 0 0 0 9 0 0 0 21 0 1 0 5649625 24584192 865 1992294400 134512640 137138936 4289775120 18446744073709551615 134516218 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 6002 865 304 642 0 2566 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 24008

[startup+0.102148 s]
/proc/loadavg: 1.00 1.17 1.34 2/106 8521
/proc/meminfo: memFree=1503792/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=24148 CPUtime=0.1
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 994 0 0 0 10 0 0 0 21 0 1 0 5649625 24727552 913 1992294400 134512640 137138936 4289775120 18446744073709551615 136504154 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 6037 913 315 642 0 2601 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 24148

[startup+0.300185 s]
/proc/loadavg: 1.00 1.17 1.34 2/106 8521
/proc/meminfo: memFree=1503792/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=28120 CPUtime=0.29
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 2298 0 0 0 29 0 0 0 21 0 1 0 5649625 28794880 2217 1992294400 134512640 137138936 4289775120 18446744073709551615 134517511 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 7030 2218 600 642 0 3594 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 28120

[startup+0.700259 s]
/proc/loadavg: 1.00 1.17 1.34 2/106 8521
/proc/meminfo: memFree=1503792/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=36320 CPUtime=0.69
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 4918 0 0 0 68 1 0 0 22 0 1 0 5649625 37191680 4837 1992294400 134512640 137138936 4289775120 18446744073709551615 134517747 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 9080 4837 1174 642 0 5644 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 36320

[startup+1.50041 s]
/proc/loadavg: 1.00 1.17 1.34 2/107 8522
/proc/meminfo: memFree=1482828/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=52584 CPUtime=1.49
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 10102 0 0 0 146 3 0 0 25 0 1 0 5649625 53846016 10021 1992294400 134512640 137138936 4289775120 18446744073709551615 134517511 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 13146 10021 2314 642 0 9710 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 52584

[startup+3.1007 s]
/proc/loadavg: 1.00 1.17 1.34 2/107 8522
/proc/meminfo: memFree=1447612/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=83384 CPUtime=3.09
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 21286 0 0 0 301 8 0 0 25 0 1 0 5649625 85385216 18413 1992294400 134512640 137138936 4289775120 18446744073709551615 134540051 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 20846 18413 184 642 0 20202 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 83384

[startup+6.30128 s]
/proc/loadavg: 1.00 1.17 1.34 2/107 8522
/proc/meminfo: memFree=1430004/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=83384 CPUtime=6.29
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 21286 0 0 0 619 10 0 0 25 0 1 0 5649625 85385216 18413 1992294400 134512640 137138936 4289775120 18446744073709551615 134540051 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 20846 18413 184 642 0 20202 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 83384

[startup+12.7014 s]
/proc/loadavg: 1.00 1.17 1.34 2/107 8522
/proc/meminfo: memFree=1430004/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=83384 CPUtime=12.69
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 21286 0 0 0 1254 15 0 0 25 0 1 0 5649625 85385216 18413 1992294400 134512640 137138936 4289775120 18446744073709551615 134540051 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 20846 18413 184 642 0 20202 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 83384

[startup+25.5018 s]
/proc/loadavg: 1.00 1.16 1.33 2/107 8522
/proc/meminfo: memFree=1430004/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=83384 CPUtime=25.49
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 21286 0 0 0 2526 23 0 0 25 0 1 0 5649625 85385216 18413 1992294400 134512640 137138936 4289775120 18446744073709551615 134540051 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 20846 18413 184 642 0 20202 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 83384

[startup+51.1005 s]
/proc/loadavg: 1.00 1.14 1.32 2/107 8524
/proc/meminfo: memFree=1430128/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=83384 CPUtime=51.06
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 21286 0 0 0 5067 39 0 0 25 0 1 0 5649625 85385216 18413 1992294400 134512640 137138936 4289775120 18446744073709551615 134540085 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 20846 18413 184 642 0 20202 0
Current children cumulated CPU time (s) 51.06
Current children cumulated vsize (KiB) 83384

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

[startup+54.301 s]
/proc/loadavg: 1.00 1.14 1.32 2/107 8524
/proc/meminfo: memFree=1430128/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=83384 CPUtime=54.26
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 21286 0 0 0 5385 41 0 0 25 0 1 0 5649625 85385216 18413 1992294400 134512640 137138936 4289775120 18446744073709551615 136570369 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 20846 18413 184 642 0 20202 0
Current children cumulated CPU time (s) 54.26
Current children cumulated vsize (KiB) 83384

[startup+55.9013 s]
/proc/loadavg: 1.00 1.14 1.32 2/107 8524
/proc/meminfo: memFree=1430128/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=83384 CPUtime=55.85
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 21286 0 0 0 5543 42 0 0 25 0 1 0 5649625 85385216 18413 1992294400 134512640 137138936 4289775120 18446744073709551615 134540085 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 20846 18413 184 642 0 20202 0
Current children cumulated CPU time (s) 55.85
Current children cumulated vsize (KiB) 83384

[startup+57.5006 s]
/proc/loadavg: 1.00 1.14 1.32 2/107 8524
/proc/meminfo: memFree=1430128/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=83384 CPUtime=57.45
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 21286 0 0 0 5702 43 0 0 25 0 1 0 5649625 85385216 18413 1992294400 134512640 137138936 4289775120 18446744073709551615 134540747 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 20846 18413 184 642 0 20202 0
Current children cumulated CPU time (s) 57.45
Current children cumulated vsize (KiB) 83384

[startup+57.9007 s]
/proc/loadavg: 1.00 1.14 1.32 2/107 8524
/proc/meminfo: memFree=1430128/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=83060 CPUtime=57.85
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 21286 0 0 0 5742 43 0 0 25 0 1 0 5649625 85053440 18332 1992294400 134512640 137138936 4289775120 18446744073709551615 136500305 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 20765 18332 184 642 0 20121 0
Current children cumulated CPU time (s) 57.85
Current children cumulated vsize (KiB) 83060

[startup+58.3088 s]
/proc/loadavg: 1.00 1.14 1.32 2/107 8524
/proc/meminfo: memFree=1430128/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=83060 CPUtime=58.26
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 21286 0 0 0 5783 43 0 0 25 0 1 0 5649625 85053440 18332 1992294400 134512640 137138936 4289775120 18446744073709551615 134568437 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 20765 18332 184 642 0 20121 0
Current children cumulated CPU time (s) 58.26
Current children cumulated vsize (KiB) 83060

[startup+58.4008 s]
/proc/loadavg: 1.00 1.14 1.32 2/107 8524
/proc/meminfo: memFree=1430128/2059040 swapFree=4192956/4192956
[pid=8521] ppid=8519 vsize=83060 CPUtime=58.35
/proc/8521/stat : 8521 (bsolo_pb10) R 8519 8521 7781 0 -1 4202496 21288 0 0 0 5792 43 0 0 25 0 1 0 5649625 85053440 18334 1992294400 134512640 137138936 4289775120 18446744073709551615 136500326 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/8521/statm: 20765 18334 186 642 0 20121 0
Current children cumulated CPU time (s) 58.35
Current children cumulated vsize (KiB) 83060

Child status: 0
Real time (s): 58.4522
CPU time (s): 58.4141
CPU user time (s): 57.9692
CPU system time (s): 0.444932
CPU usage (%): 99.9349
Max. virtual memory (cumulated for all children) (KiB): 83384

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 57.9692
system time used= 0.444932
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 21295
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= 785

runsolver used 0.146977 second user time and 0.287956 second system time

The end

Launcher Data 

Begin job on node027 at 2010-06-12 07:19:38
IDJOB=2657802
IDBENCH=1379
IDSOLVER=1163
FILE ID=node027/2657802-1276319977
PBS_JOBID= 11173151
Free space on /tmp= 62436 MiB

SOLVER NAME= bsolo 3.2 Cl
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v30_e350_d15_mw10_2.opb.PB06.opb
COMMAND LINE= bsolo_pb10 -tTIMEOUT -l1 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2657802-1276319977/watcher-2657802-1276319977 -o /tmp/evaluation-result-2657802-1276319977/solver-2657802-1276319977 -C 1800 -W 2000 -M 1800  bsolo_pb10 -t1800 -l1 HOME/instance-2657802-1276319977.opb

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

MD5SUM BENCH= 2882e17c9be8b3b8a5ac8492f26b9dcd
RANDOM SEED=24141393

node027.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		: 2800.261
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	: 5600.52
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		: 2800.261
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:       1504196 kB
Buffers:         90332 kB
Cached:         334712 kB
SwapCached:          0 kB
Active:         191648 kB
Inactive:       292776 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1504196 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:           15284 kB
Writeback:          80 kB
AnonPages:       59348 kB
Mapped:          15412 kB
Slab:            48604 kB
PageTables:       4020 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180952 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264952 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62432 MiB
End job on node027 at 2010-06-12 07:20:36