Trace number 369618

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
gnovelty+ 2007-02-08SAT 0.753884 0.763284

General information on the benchmark

Namerandom/OnTreshold/3SAT/v600/
unif-k3-r4.261-v600-c2556-S1540370200-13.SAT.shuffled.cnf
MD5SUM14cd9bd82ac5a6c9d608f66e5d6145a0
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.107982
Satisfiable
(Un)Satisfiability was proved
Number of variables600
Number of clauses2556
Sum of the clauses size7668
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32556
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.01	c +------------------------------+
0.00/0.01	c | gNovelty+, version 1.0       |
0.00/0.01	c +------------------------------+
0.00/0.01	c gnovelty+ -h for help
0.00/0.01	c 
0.00/0.01	c Problem instance: numAtoms = 600, numClauses = 2556, numLiterals = 7668
0.00/0.01	c General parameters: seed=863703349, cutoff=100000, targetCost = 0, print solution: yes
0.00/0.01	c gNovelty+ parameters: noise = 0, walkprob = 1, smoothprob = 40
0.00/0.01	c tries = 1
0.00/0.01	c 
0.69/0.75	s SATISFIABLE
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0.69/0.75	v 600
0.69/0.75	v 0
0.69/0.75	c Done in 0.730000 seconds

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node29/watcher-369618-1177545566 -o ROOT/results/node29/solver-369618-1177545566 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/369618-1177545566/gnovelty+ /tmp/evaluation/369618-1177545566/instance-369618-1177545566.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 7500 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 0.09 3/77 1938
/proc/meminfo: memFree=1635272/2055920 swapFree=4146612/4192956
[pid=1938] ppid=1936 vsize=244700 CPUtime=0
/proc/1938/stat : 1938 (gnovelty+) R 1936 1938 1883 0 -1 4194304 876 0 0 0 0 0 0 0 18 0 1 0 202472459 250572800 862 18446744073709551615 134512640 134921880 4294956672 18446744073709551615 134518504 0 0 4096 0 0 0 0 17 1 0 0
/proc/1938/statm: 61175 868 39 99 0 61074 0

[startup+0.00879805 s]
/proc/loadavg: 0.00 0.00 0.09 3/77 1938
/proc/meminfo: memFree=1635272/2055920 swapFree=4146612/4192956
[pid=1938] ppid=1936 vsize=252516 CPUtime=0
/proc/1938/stat : 1938 (gnovelty+) R 1936 1938 1883 0 -1 4194304 1056 0 0 0 0 0 0 0 18 0 1 0 202472459 258576384 1042 18446744073709551615 134512640 134921880 4294956672 18446744073709551615 134518580 0 0 4096 0 0 0 0 17 1 0 0
/proc/1938/statm: 63129 1043 40 99 0 63028 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 252516

[startup+0.101803 s]
/proc/loadavg: 0.00 0.00 0.09 3/77 1938
/proc/meminfo: memFree=1635272/2055920 swapFree=4146612/4192956
[pid=1938] ppid=1936 vsize=252512 CPUtime=0.09
/proc/1938/stat : 1938 (gnovelty+) R 1936 1938 1883 0 -1 4194304 2098 0 0 0 9 0 0 0 18 0 1 0 202472459 258572288 2083 18446744073709551615 134512640 134921880 4294956672 18446744073709551615 134513767 0 0 4096 0 0 0 0 17 1 0 0
/proc/1938/statm: 63128 2083 44 99 0 63027 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 252512

[startup+0.301816 s]
/proc/loadavg: 0.00 0.00 0.09 3/77 1938
/proc/meminfo: memFree=1635272/2055920 swapFree=4146612/4192956
[pid=1938] ppid=1936 vsize=252512 CPUtime=0.29
/proc/1938/stat : 1938 (gnovelty+) R 1936 1938 1883 0 -1 4194304 2098 0 0 0 29 0 0 0 19 0 1 0 202472459 258572288 2083 18446744073709551615 134512640 134921880 4294956672 18446744073709551615 134513478 0 0 4096 0 0 0 0 17 1 0 0
/proc/1938/statm: 63128 2083 44 99 0 63027 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 252512

[startup+0.70184 s]
/proc/loadavg: 0.00 0.00 0.09 3/77 1938
/proc/meminfo: memFree=1635272/2055920 swapFree=4146612/4192956
[pid=1938] ppid=1936 vsize=252512 CPUtime=0.69
/proc/1938/stat : 1938 (gnovelty+) R 1936 1938 1883 0 -1 4194304 2098 0 0 0 69 0 0 0 23 0 1 0 202472459 258572288 2083 18446744073709551615 134512640 134921880 4294956672 18446744073709551615 134513727 0 0 4096 0 0 0 0 17 1 0 0
/proc/1938/statm: 63128 2083 44 99 0 63027 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 252512

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

Child status: 10
Real time (s): 0.763284
CPU time (s): 0.753884
CPU user time (s): 0.746886
CPU system time (s): 0.006998
CPU usage (%): 98.7685
Max. virtual memory (cumulated for all children) (KiB): 252516

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.746886
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2108
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= 17

runsolver used 0.000999 second user time and 0.009998 second system time

The end

Launcher Data (download as text)

Begin job on node29 on Wed Apr 25 23:59:27 UTC 2007

IDJOB= 369618
IDBENCH= 20002
IDSOLVER= 176
FILE ID= node29/369618-1177545566

PBS_JOBID= 4696465

Free space on /tmp= 66488 MiB

SOLVER NAME= gnovelty+ 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/3SAT/v600/unif-k3-r4.261-v600-c2556-S1540370200-13.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/369618-1177545566/gnovelty+ /tmp/evaluation/369618-1177545566/instance-369618-1177545566.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node29/watcher-369618-1177545566 -o ROOT/results/node29/solver-369618-1177545566 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/369618-1177545566/gnovelty+ /tmp/evaluation/369618-1177545566/instance-369618-1177545566.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  14cd9bd82ac5a6c9d608f66e5d6145a0

RANDOM SEED= 172661702

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB

Linux node29.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		: 3000.224
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		: 3000.224
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:       1635680 kB
Buffers:         39252 kB
Cached:         309284 kB
SwapCached:      11728 kB
Active:         217412 kB
Inactive:       154368 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1635680 kB
SwapTotal:     4192956 kB
SwapFree:      4146612 kB
Dirty:             968 kB
Writeback:           0 kB
Mapped:          29728 kB
Slab:            33920 kB
Committed_AS:  2702072 kB
PageTables:       1872 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= 66488 MiB

End job on node29 on Wed Apr 25 23:59:28 UTC 2007