Trace number 2656975

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 CardUNSAT 0.462929 0.461966

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/web/
uclid_pb_benchmarks/normalized-25s.smv.opb
MD5SUMd7f2e5810238fdfe52a90b4b556d26aa
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark0.097984
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables5072
Total number of constraints12829
Number of constraints which are clauses11721
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints1108
Minimum length of a constraint1
Maximum length of a constraint15
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 165
Number of bits of the biggest number in a constraint 8
Biggest sum of numbers in a constraint 546
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: Cardinality Constraint Learning
0.00/0.00	c Instance file HOME/instance-2656975-1276338585.opb
0.00/0.00	c File size is 474314 bytes.
0.00/0.08	c Highest Coefficient sum: 546
0.00/0.08	c Parsing was ok!!
0.00/0.08	c Total parsing time: 0.082 s
0.00/0.08	c Var: 5072 Constr: 12829 11721/0/1108 Lit: 43793 Watch. Lit: 26821
0.00/0.08	c Obj. Vars: 0 (0 % of total variables)
0.39/0.45	c Pre-processing Time: 0.453 s
0.39/0.45	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.39/0.45	c        0   2766     6525    28699    4    14646   33690      0      0 0.45
0.39/0.45	c Switching off lower bounding mode.
0.39/0.46	c Backtracks by Clause: 17
0.39/0.46	c Backtracks by PB constraint: 1
0.39/0.46	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.39/0.46	c    0       18     12      411     6560    28842     35     39 0.46
0.39/0.46	s UNSATISFIABLE
0.39/0.46	c Total time: 0.46 s

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2656975-1276338585/watcher-2656975-1276338585 -o /tmp/evaluation-result-2656975-1276338585/solver-2656975-1276338585 -C 1800 -W 2000 -M 1800 bsolo_pb10 -t1800 -l2 HOME/instance-2656975-1276338585.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: 1.79 1.96 1.63 3/107 10934
/proc/meminfo: memFree=1737760/2059040 swapFree=4192956/4192956
[pid=10934] ppid=10932 vsize=11392 CPUtime=0
/proc/10934/stat : 10934 (bsolo_pb10) R 10932 10934 10268 0 -1 4202496 343 0 0 0 0 0 0 0 20 0 1 0 7514226 11665408 261 1992294400 134512640 137138936 4288318688 18446744073709551615 136506715 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/10934/statm: 2848 261 176 642 0 2088 0

[startup+0.0974859 s]
/proc/loadavg: 1.79 1.96 1.63 3/107 10934
/proc/meminfo: memFree=1737760/2059040 swapFree=4192956/4192956
[pid=10934] ppid=10932 vsize=13660 CPUtime=0.09
/proc/10934/stat : 10934 (bsolo_pb10) R 10932 10934 10268 0 -1 4202496 1149 0 0 0 9 0 0 0 20 0 1 0 7514226 13987840 951 1992294400 134512640 137138936 4288318688 18446744073709551615 136570369 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/10934/statm: 3415 951 184 642 0 2771 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 13660

[startup+0.101486 s]
/proc/loadavg: 1.79 1.96 1.63 3/107 10934
/proc/meminfo: memFree=1737760/2059040 swapFree=4192956/4192956
[pid=10934] ppid=10932 vsize=13660 CPUtime=0.09
/proc/10934/stat : 10934 (bsolo_pb10) R 10932 10934 10268 0 -1 4202496 1152 0 0 0 9 0 0 0 20 0 1 0 7514226 13987840 954 1992294400 134512640 137138936 4288318688 18446744073709551615 134543222 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/10934/statm: 3415 954 184 642 0 2771 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 13660

[startup+0.301504 s]
/proc/loadavg: 1.79 1.96 1.63 3/107 10934
/proc/meminfo: memFree=1737760/2059040 swapFree=4192956/4192956
[pid=10934] ppid=10932 vsize=13792 CPUtime=0.29
/proc/10934/stat : 10934 (bsolo_pb10) R 10932 10934 10268 0 -1 4202496 1189 0 0 0 29 0 0 0 20 0 1 0 7514226 14123008 991 1992294400 134512640 137138936 4288318688 18446744073709551615 134543169 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/10934/statm: 3448 991 184 642 0 2804 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 13792

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

[startup+0.401513 s]
/proc/loadavg: 1.79 1.96 1.63 3/107 10934
/proc/meminfo: memFree=1737760/2059040 swapFree=4192956/4192956
[pid=10934] ppid=10932 vsize=13792 CPUtime=0.39
/proc/10934/stat : 10934 (bsolo_pb10) R 10932 10934 10268 0 -1 4202496 1210 0 0 0 39 0 0 0 20 0 1 0 7514226 14123008 1012 1992294400 134512640 137138936 4288318688 18446744073709551615 136297749 0 0 4096 16384 0 0 0 17 1 0 0 0
/proc/10934/statm: 3448 1012 184 642 0 2804 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 13792

Child status: 0
Real time (s): 0.461966
CPU time (s): 0.462929
CPU user time (s): 0.444932
CPU system time (s): 0.017997
CPU usage (%): 100.208
Max. virtual memory (cumulated for all children) (KiB): 13792

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.444932
system time used= 0.017997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1258
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= 6

runsolver used 0.003999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node025 at 2010-06-12 12:29:45
IDJOB=2656975
IDBENCH=1484
IDSOLVER=1162
FILE ID=node025/2656975-1276338585
PBS_JOBID= 11173184
Free space on /tmp= 62540 MiB

SOLVER NAME= bsolo 3.2 Card
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/web/uclid_pb_benchmarks/normalized-25s.smv.opb
COMMAND LINE= bsolo_pb10 -tTIMEOUT -l2 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2656975-1276338585/watcher-2656975-1276338585 -o /tmp/evaluation-result-2656975-1276338585/solver-2656975-1276338585 -C 1800 -W 2000 -M 1800  bsolo_pb10 -t1800 -l2 HOME/instance-2656975-1276338585.opb

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

MD5SUM BENCH= d7f2e5810238fdfe52a90b4b556d26aa
RANDOM SEED=1920150163

node025.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		: 3000.242
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	: 6000.48
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		: 3000.242
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	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1738288 kB
Buffers:         45668 kB
Cached:         134904 kB
SwapCached:          0 kB
Active:         126712 kB
Inactive:       113172 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1738288 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            4712 kB
Writeback:           0 kB
AnonPages:       59216 kB
Mapped:          15488 kB
Slab:            59088 kB
PageTables:       4076 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   183288 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= 62536 MiB
End job on node025 at 2010-06-12 12:29:45