Trace number 330925

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
KCNFS 2006? (exit code) 4.33334 4.3361

General information on the benchmark

Nameindustrial/vliw_unsat_2.0/
9dlx_vliw_at_b_iq5.cnf
MD5SUM79c983ee7a6671238604da3040f85341
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables151669
Number of clauses2465731
Sum of the clauses size7141423
Maximum clause length150
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 22309834
Number of clauses of size 335167
Number of clauses of size 45995
Number of clauses of size 511790
Number of clauses of size over 5102944

Solver Data (download as text)

0.00/0.00	
0.00/0.00	c Computed by /tmp/evaluation/330925-1173176644/kcnfs-2006   V. 1.2
0.00/0.00	c reading file ... done
4.19/4.29	c this formula cannot been solved by kcnfs
4.19/4.29

Verifier Data (download as text)

ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer:

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node58/watcher-330925-1173176644 -o ROOT/results/node58/solver-330925-1173176644 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/330925-1173176644/kcnfs-2006 /tmp/evaluation/330925-1173176644/instance-330925-1173176644.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2400 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: 1.09 1.02 1.01 3/64 25249
/proc/meminfo: memFree=1734272/2055920 swapFree=4184232/4192956
[pid=25249] ppid=25247 vsize=180908 CPUtime=0
/proc/25249/stat : 25249 (kcnfs-2006) R 25247 25249 24828 0 -1 4194304 126 0 0 0 0 0 0 0 18 0 1 0 337621361 185249792 111 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/25249/statm: 45227 111 47 158 0 45067 0

[startup+0.00895808 s]
/proc/loadavg: 1.09 1.02 1.01 3/64 25249
/proc/meminfo: memFree=1734272/2055920 swapFree=4184232/4192956
[pid=25249] ppid=25247 vsize=181172 CPUtime=0
/proc/25249/stat : 25249 (kcnfs-2006) R 25247 25249 24828 0 -1 4194304 186 0 0 0 0 0 0 0 18 0 1 0 337621361 185520128 171 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134930091 0 0 4096 0 0 0 0 17 1 0 0
/proc/25249/statm: 45293 171 47 158 0 45133 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 181172

[startup+0.102976 s]
/proc/loadavg: 1.09 1.02 1.01 3/64 25249
/proc/meminfo: memFree=1734272/2055920 swapFree=4184232/4192956
[pid=25249] ppid=25247 vsize=186188 CPUtime=0.09
/proc/25249/stat : 25249 (kcnfs-2006) R 25247 25249 24828 0 -1 4194304 1441 0 0 0 9 0 0 0 18 0 1 0 337621361 190656512 1426 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/25249/statm: 46547 1426 47 158 0 46387 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 186188

[startup+0.301989 s]
/proc/loadavg: 1.09 1.02 1.01 3/64 25249
/proc/meminfo: memFree=1734272/2055920 swapFree=4184232/4192956
[pid=25249] ppid=25247 vsize=196484 CPUtime=0.29
/proc/25249/stat : 25249 (kcnfs-2006) R 25247 25249 24828 0 -1 4194304 4014 0 0 0 28 1 0 0 19 0 1 0 337621361 201199616 3999 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134832765 0 0 4096 0 0 0 0 17 1 0 0
/proc/25249/statm: 49121 3999 47 158 0 48961 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 196484

[startup+0.701032 s]
/proc/loadavg: 1.09 1.02 1.01 3/64 25249
/proc/meminfo: memFree=1734272/2055920 swapFree=4184232/4192956
[pid=25249] ppid=25247 vsize=216812 CPUtime=0.69
/proc/25249/stat : 25249 (kcnfs-2006) R 25247 25249 24828 0 -1 4194304 9091 0 0 0 66 3 0 0 23 0 1 0 337621361 222015488 9076 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/25249/statm: 54203 9077 47 158 0 54043 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 216812

[startup+1.50112 s]
/proc/loadavg: 1.09 1.02 1.01 2/65 25250
/proc/meminfo: memFree=1683448/2055920 swapFree=4184232/4192956
[pid=25249] ppid=25247 vsize=257600 CPUtime=1.49
/proc/25249/stat : 25249 (kcnfs-2006) R 25247 25249 24828 0 -1 4194304 19276 0 0 0 141 8 0 0 25 0 1 0 337621361 263782400 19261 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/25249/statm: 64400 19261 47 158 0 64240 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 257600

[startup+3.1013 s]
/proc/loadavg: 1.09 1.02 1.01 2/65 25250
/proc/meminfo: memFree=1628728/2055920 swapFree=4184232/4192956
[pid=25249] ppid=25247 vsize=337856 CPUtime=3.09
/proc/25249/stat : 25249 (kcnfs-2006) R 25247 25249 24828 0 -1 4194304 39359 0 0 0 291 18 0 0 25 0 1 0 337621361 345964544 39344 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/25249/statm: 84464 39344 47 158 0 84304 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 337856

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

[startup+3.90138 s]
/proc/loadavg: 1.09 1.02 1.01 2/65 25250
/proc/meminfo: memFree=1573560/2055920 swapFree=4184232/4192956
[pid=25249] ppid=25247 vsize=377852 CPUtime=3.89
/proc/25249/stat : 25249 (kcnfs-2006) R 25247 25249 24828 0 -1 4194304 49362 0 0 0 366 23 0 0 25 0 1 0 337621361 386920448 49347 18446744073709551615 134512640 135163436 4294956704 18446744073709551615 134811879 0 0 4096 0 0 0 0 17 1 0 0
/proc/25249/statm: 94463 49347 47 158 0 94303 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 377852

[startup+4.30143 s]
/proc/loadavg: 1.09 1.02 1.01 2/65 25250
/proc/meminfo: memFree=1528440/2055920 swapFree=4184232/4192956
[pid=25249] ppid=25247 vsize=0 CPUtime=4.29
/proc/25249/stat : 25249 (kcnfs-2006) R 25247 25249 24828 0 -1 4194308 54342 0 0 0 403 26 0 0 25 0 1 0 337621361 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/25249/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 4.29
Current children cumulated vsize (KiB) 0

Child status: 1
Real time (s): 4.3361
CPU time (s): 4.33334
CPU user time (s): 4.03539
CPU system time (s): 0.297954
CPU usage (%): 99.9363
Max. virtual memory (cumulated for all children) (KiB): 392900

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.03539
system time used= 0.297954
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 54342
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= 7

runsolver used 0.006998 second user time and 0.014997 second system time

The end

Launcher Data (download as text)

Begin job on node58 on Tue Mar  6 10:24:07 UTC 2007

IDJOB= 330925
IDBENCH= 20575
IDSOLVER= 113
FILE ID= node58/330925-1173176644

PBS_JOBID= 4015258

Free space on /tmp= 66411 MiB

SOLVER NAME= KCNFS 2006
BENCH NAME= HOME/pub/bench/SAT07/industrial/vliw_unsat_2.0/9dlx_vliw_at_b_iq5.cnf
COMMAND LINE= /tmp/evaluation/330925-1173176644/kcnfs-2006 /tmp/evaluation/330925-1173176644/instance-330925-1173176644.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node58/watcher-330925-1173176644 -o ROOT/results/node58/solver-330925-1173176644 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/330925-1173176644/kcnfs-2006 /tmp/evaluation/330925-1173176644/instance-330925-1173176644.cnf            

META MD5SUM SOLVER= 23f87ccf1c743ff5b6146b444e216cd3
MD5SUM BENCH=  79c983ee7a6671238604da3040f85341

RANDOM SEED= 456796873

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node58.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		: 3000.234
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		: 3000.234
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:       1734680 kB
Buffers:         15744 kB
Cached:         232140 kB
SwapCached:       2696 kB
Active:         117704 kB
Inactive:       139652 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1734680 kB
SwapTotal:     4192956 kB
SwapFree:      4184232 kB
Dirty:           54248 kB
Writeback:           0 kB
Mapped:          15608 kB
Slab:            49948 kB
Committed_AS:   774500 kB
PageTables:       1380 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= 66411 MiB

End job on node58 on Tue Mar  6 10:24:11 UTC 2007