Trace number 2667726

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
PB/CT 0.1UNSAT 0.047992 0.047242

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_10_4_4_5.opb
MD5SUM27fc9677dc1de644ba5c425a2bc7aed1
Bench CategoryDEC-SMALLINT-NLC (no optimisation, small integers, non linear constraints)
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 benchmark0.004998
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables20
Total number of constraints32
Number of constraints which are clauses10
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints21
Minimum length of a constraint2
Maximum length of a constraint20
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 20
Number of bits of the biggest sum of numbers5
Number of products (including duplicates)92
Sum of products size (including duplicates)184
Number of different products46
Sum of products size92

Solver Data 

0.00/0.00	c PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.00	c constraints 68/0 clauses 56/0 units 0
0.00/0.00	c vars 20
0.01/0.04	c 0.041993 4.48047 33 339
0.01/0.04	s UNSATISFIABLE

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-2667726-1276678067/watcher-2667726-1276678067 -o /tmp/evaluation-result-2667726-1276678067/solver-2667726-1276678067 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667726-1276678067.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: 1.34 1.08 1.02 3/106 7038
/proc/meminfo: memFree=1808140/2059040 swapFree=4140244/4192956
[pid=7038] ppid=7036 vsize=3380 CPUtime=0
/proc/7038/stat : 7038 (pbct) R 7036 7038 6187 0 -1 4202496 549 0 0 0 0 0 0 0 20 0 1 0 43410644 3461120 472 1992294400 134512640 136485738 4293246608 18446744073709551615 135869175 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/7038/statm: 878 472 196 482 0 394 0

[startup+0.021262 s]
/proc/loadavg: 1.34 1.08 1.02 3/106 7038
/proc/meminfo: memFree=1808140/2059040 swapFree=4140244/4192956
[pid=7038] ppid=7036 vsize=4584 CPUtime=0.01
/proc/7038/stat : 7038 (pbct) R 7036 7038 6187 0 -1 4202496 839 0 0 0 1 0 0 0 20 0 1 0 43410644 4694016 762 1992294400 134512640 136485738 4293246608 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/7038/statm: 1146 765 214 482 0 662 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 4584

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

[startup+0.021262 s]
/proc/loadavg: 1.34 1.08 1.02 3/106 7038
/proc/meminfo: memFree=1808140/2059040 swapFree=4140244/4192956
[pid=7038] ppid=7036 vsize=4584 CPUtime=0.01
/proc/7038/stat : 7038 (pbct) R 7036 7038 6187 0 -1 4202496 839 0 0 0 1 0 0 0 20 0 1 0 43410644 4694016 762 1992294400 134512640 136485738 4293246608 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/7038/statm: 1146 765 214 482 0 662 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 4584

Child status: 0
Real time (s): 0.047242
CPU time (s): 0.047992
CPU user time (s): 0.043993
CPU system time (s): 0.003999
CPU usage (%): 101.588
Max. virtual memory (cumulated for all children) (KiB): 4584

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.043993
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 891
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 0.001999 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node003 at 2010-06-16 10:47:47
IDJOB=2667726
IDBENCH=48314
IDSOLVER=1170
FILE ID=node003/2667726-1276678067
PBS_JOBID= 11172515
Free space on /tmp= 62580 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_10_4_4_5.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667726-1276678067/watcher-2667726-1276678067 -o /tmp/evaluation-result-2667726-1276678067/solver-2667726-1276678067 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667726-1276678067.opb

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

MD5SUM BENCH= 27fc9677dc1de644ba5c425a2bc7aed1
RANDOM SEED=1430746107

node003.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		: 3000.251
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	: 6000.50
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		: 3000.251
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:       1808668 kB
Buffers:         58516 kB
Cached:         110440 kB
SwapCached:       6080 kB
Active:          99396 kB
Inactive:        82808 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1808668 kB
SwapTotal:     4192956 kB
SwapFree:      4140244 kB
Dirty:            2140 kB
Writeback:           0 kB
AnonPages:       11644 kB
Mapped:          13208 kB
Slab:            46440 kB
PageTables:       3984 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181616 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= 62580 MiB
End job on node003 at 2010-06-16 10:47:47