Trace number 360734

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, and are wall clock time (not CPU 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
wildcat-skc 2007-03-21SAT 0.036993 0.110182

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
MD5SUMd807de21f10c00acae1479f7b1348df5
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, 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 benchmark0.036993
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1733
Total number of constraints1256
Number of constraints which are clauses1188
Number of constraints which are cardinality constraints (but not clauses)68
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 (download as text)

0.00/0.00	c 
0.00/0.00	c wildcat-skc (VERSION 0.8.0-lite-skc-devel)
0.00/0.00	c Developed by L. Liu  and M. Truszczynski 
0.00/0.00	c Last built on Sun 18 Mar 2007 03:03:20 PM EDT
0.00/0.00	c 
0.00/0.00	c /tmp/evaluation/360734-1176974961/wildcat-skc /tmp/evaluation/360734-1176974961/instance-360734-1176974961.opb 711284643 
0.00/0.00	c =================================== BEGIN ===================================
0.00/0.00	c 
0.00/0.00	c Random Number Seed: 711284643
0.00/0.00	c Noise: 0.1 (10 : 100) 
0.00/0.03	c Starting searching:
0.00/0.03	c phase 1 ... vc 
0.00/0.03	s SATISFIABLE
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0.00/0.03	v -x1692 -x1693 -x1694 -x1695 -x1696 -x1697 -x1698 -x1699 -x1700 -x1701 -x1702 -x1703 -x1704 -x1705 -x1706 -x1707 -x1708
0.00/0.03	v -x1709 -x1710 x1711 -x1712 -x1713 -x1714 -x1715 -x1716 -x1717 -x1718 -x1719 -x1720 -x1721 -x1722 -x1723 -x1724 -x1725
0.00/0.03	v x1726 -x1727 -x1728 -x1729 -x1730 -x1731 -x1732 -x1733
0.00/0.03	c Total Number of Positive Atoms : 66
0.00/0.03	c 
0.00/0.03	c During searching:         0.011204 seconds elapsed.
0.00/0.03	c CPU time spent:           0.02 seconds.
0.00/0.03	c 
0.00/0.03	c =================================== END =====================================
0.00/0.03	c

Verifier Data (download as text)

OK	0

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node65/watcher-360734-1176974961 -o ROOT/results/node65/solver-360734-1176974961 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/360734-1176974961/wildcat-skc /tmp/evaluation/360734-1176974961/instance-360734-1176974961.opb 711284643 

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): 3600 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.00 0.00 0.15 3/64 7625
/proc/meminfo: memFree=1621752/2055920 swapFree=4184012/4192956
[pid=7625] ppid=7623 vsize=6236 CPUtime=0
/proc/7625/stat : 7625 (wildcat-skc) R 7623 7625 7150 0 -1 4194304 204 0 0 0 0 0 0 0 18 0 1 0 173485739 6385664 188 18446744073709551615 134512640 135438881 4294956656 18446744073709551615 135054637 0 0 4096 16386 0 0 0 17 1 0 0
/proc/7625/statm: 1559 188 106 226 0 1330 0

[startup+0.0084359 s]
/proc/loadavg: 0.00 0.00 0.15 3/64 7625
/proc/meminfo: memFree=1621752/2055920 swapFree=4184012/4192956
[pid=7625] ppid=7623 vsize=6368 CPUtime=0
/proc/7625/stat : 7625 (wildcat-skc) R 7623 7625 7150 0 -1 4194304 250 0 0 0 0 0 0 0 18 0 1 0 173485739 6520832 234 18446744073709551615 134512640 135438881 4294956656 18446744073709551615 135002146 0 0 4096 16386 0 0 0 17 1 0 0
/proc/7625/statm: 1592 234 106 226 0 1363 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 6368

[startup+0.101443 s]
/proc/loadavg: 0.00 0.00 0.15 3/64 7625
/proc/meminfo: memFree=1621752/2055920 swapFree=4184012/4192956
[pid=7625] ppid=7623 vsize=0 CPUtime=0.03
/proc/7625/stat : 7625 (wildcat-skc) D 7623 7625 7150 0 -1 4194308 638 0 0 0 3 0 0 0 15 0 1 0 173485739 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 16386 18446744072100051646 0 0 17 0 0 0
/proc/7625/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 0

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

Child status: 0
Real time (s): 0.110182
CPU time (s): 0.036993
CPU user time (s): 0.032994
CPU system time (s): 0.003999
CPU usage (%): 33.5744
Max. virtual memory (cumulated for all children) (KiB): 6368

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.032994
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= 638
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= 8
involuntary context switches= 0

runsolver used 0.002999 second user time and 0.004999 second system time

The end

Launcher Data (download as text)

Begin job on node65 on Thu Apr 19 09:29:21 UTC 2007

IDJOB= 360734
IDBENCH= 1392
IDSOLVER= 162
FILE ID= node65/360734-1176974961

PBS_JOBID= 4630328

Free space on /tmp= 66399 MiB

SOLVER NAME= wildcat-skc 2007-03-21
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
COMMAND LINE= /tmp/evaluation/360734-1176974961/wildcat-skc /tmp/evaluation/360734-1176974961/instance-360734-1176974961.opb 711284643
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node65/watcher-360734-1176974961 -o ROOT/results/node65/solver-360734-1176974961 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/360734-1176974961/wildcat-skc /tmp/evaluation/360734-1176974961/instance-360734-1176974961.opb 711284643

META MD5SUM SOLVER= 05d21ee76b90579709a9929b8e99937a
MD5SUM BENCH=  d807de21f10c00acae1479f7b1348df5

RANDOM SEED= 711284643

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node65.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.245
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
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		: 3000.245
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1622096 kB
Buffers:         25272 kB
Cached:         358664 kB
SwapCached:       2712 kB
Active:         186868 kB
Inactive:       206856 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1622096 kB
SwapTotal:     4192956 kB
SwapFree:      4184012 kB
Dirty:            2500 kB
Writeback:           0 kB
Mapped:          15768 kB
Slab:            26008 kB
Committed_AS:  2268228 kB
PageTables:       1456 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66399 MiB

End job on node65 on Thu Apr 19 09:29:22 UTC 2007