Trace number 2656920

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 0.154975 0.154648

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga35_34_sat_pb.cnf.cr.opb
MD5SUM0d2d0c8fcbbf85b522a59ecd3e43cd8e
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 benchmark0.030995
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1785
Total number of constraints1293
Number of constraints which are clauses1224
Number of constraints which are cardinality constraints (but not clauses)69
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint17
Maximum length of a constraint35
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 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 36
Number of bits of the biggest sum of numbers6
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-2656920-1276326776.opb
0.00/0.00	c File size is 225557 bytes.
0.00/0.03	c Highest Coefficient sum: 36
0.00/0.03	c Parsing was ok!!
0.00/0.03	c Total parsing time: 0.036 s
0.00/0.03	c Var: 1785 Constr: 1293 1224/69/0 Lit: 24395 Watch. Lit: 4233
0.00/0.03	c Obj. Vars: 0 (0 % of total variables)
0.09/0.14	c Pre-processing Time: 0.148 s
0.09/0.15	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.09/0.15	c        0   1785     1293    24395   18     4233   16773      0      0 0.15
0.09/0.15	c Switching off lower bounding mode.
0.09/0.15	c Backtracks by Clause: 3
0.09/0.15	c Backtracks by PB constraint: 0
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0.09/0.15	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.09/0.15	c    0        3      2     1357     1296    24678      3     19 0.15
0.09/0.15	s SATISFIABLE
0.09/0.15	c Total time: 0.153 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-2656920-1276326776/watcher-2656920-1276326776 -o /tmp/evaluation-result-2656920-1276326776/solver-2656920-1276326776 -C 1800 -W 2000 -M 1800 bsolo_pb10 -t1800 -l2 HOME/instance-2656920-1276326776.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: 1.17 1.07 1.02 3/106 10058
/proc/meminfo: memFree=1868920/2059040 swapFree=4134456/4192956
[pid=10058] ppid=10056 vsize=11016 CPUtime=0
/proc/10058/stat : 10058 (bsolo_pb10) R 10056 10058 9641 0 -1 4202496 328 0 0 0 0 0 0 0 18 0 1 0 8264028 11280384 246 1992294400 134512640 137138936 4289938144 18446744073709551615 136506715 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/10058/statm: 2754 246 176 642 0 2054 0

[startup+0.0424071 s]
/proc/loadavg: 1.17 1.07 1.02 3/106 10058
/proc/meminfo: memFree=1868920/2059040 swapFree=4134456/4192956
[pid=10058] ppid=10056 vsize=11448 CPUtime=0.04
/proc/10058/stat : 10058 (bsolo_pb10) R 10056 10058 9641 0 -1 4202496 547 0 0 0 4 0 0 0 20 0 1 0 8264028 11722752 409 1992294400 134512640 137138936 4289938144 18446744073709551615 136570369 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/10058/statm: 2862 409 184 642 0 2218 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 11448

[startup+0.101412 s]
/proc/loadavg: 1.17 1.07 1.02 3/106 10058
/proc/meminfo: memFree=1868920/2059040 swapFree=4134456/4192956
[pid=10058] ppid=10056 vsize=11844 CPUtime=0.09
/proc/10058/stat : 10058 (bsolo_pb10) R 10056 10058 9641 0 -1 4202496 651 0 0 0 9 0 0 0 20 0 1 0 8264028 12128256 513 1992294400 134512640 137138936 4289938144 18446744073709551615 134532605 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/10058/statm: 2961 513 185 642 0 2317 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11844

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

Child status: 0
Real time (s): 0.154648
CPU time (s): 0.154975
CPU user time (s): 0.145977
CPU system time (s): 0.008998
CPU usage (%): 100.211
Max. virtual memory (cumulated for all children) (KiB): 11844

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.145977
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 661
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= 1

runsolver used 0.006998 second user time and 0.006998 second system time

The end

Launcher Data

Begin job on node017 at 2010-06-12 09:12:56
IDJOB=2656920
IDBENCH=1422
IDSOLVER=1162
FILE ID=node017/2656920-1276326776
PBS_JOBID= 11173171
Free space on /tmp= 62368 MiB

SOLVER NAME= bsolo 3.2 Card
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_34_sat_pb.cnf.cr.opb
COMMAND LINE= bsolo_pb10 -tTIMEOUT -l2 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2656920-1276326776/watcher-2656920-1276326776 -o /tmp/evaluation-result-2656920-1276326776/solver-2656920-1276326776 -C 1800 -W 2000 -M 1800  bsolo_pb10 -t1800 -l2 HOME/instance-2656920-1276326776.opb

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

MD5SUM BENCH= 0d2d0c8fcbbf85b522a59ecd3e43cd8e
RANDOM SEED=39827645

node017.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	: 5599.51
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1869448 kB
Buffers:          9892 kB
Cached:         107100 kB
SwapCached:      18704 kB
Active:          71816 kB
Inactive:        66076 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1869448 kB
SwapTotal:     4192956 kB
SwapFree:      4134456 kB
Dirty:            4108 kB
Writeback:           8 kB
AnonPages:       12060 kB
Mapped:           9084 kB
Slab:            29964 kB
PageTables:       3900 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   184232 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= 62364 MiB
End job on node017 at 2010-06-12 09:12:56