Trace number 422026

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
minisat SAT 2007UNSAT 1.20382 1.20557

General information on the benchmark

Nameindustrial/babic/
dspam/dspam_dump_vc1081.cnf
MD5SUM8a3e5e1fd068ee5229d7193ac5bcb167
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.20382
Satisfiable
(Un)Satisfiability was proved
Number of variables118354
Number of clauses375699
Sum of the clauses size995041
Maximum clause length3
Minimum clause length1
Number of clauses of size 13289
Number of clauses of size 2125478
Number of clauses of size 3246932
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	c This is MiniSat 2.0 (Feb 1 2007, SAT-Competition version)
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  118426                                               |
0.00/0.00	c |  Number of clauses:    375699                                               |
0.39/0.43	c |  Parsing time:         0.38         s                                       |
1.09/1.19	c restarts              : 0
1.09/1.19	c conflicts             : 0              (0 /sec)
1.09/1.19	c decisions             : 0              ( nan % random) (0 /sec)
1.09/1.19	c propagations          : 8583           (7577 /sec)
1.09/1.19	c conflict literals     : 0              ( nan % deleted)
1.09/1.19	c Memory used           : 52.96 MB
1.09/1.19	c CPU time              : 1.13283 s
1.09/1.19	c 
1.09/1.19	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node7/watcher-422026-1177542417 -o ROOT/results/node7/solver-422026-1177542417 -C 10000 -W 15000 -M 1800 --output-limit 1,15 /tmp/evaluation/422026-1177542417/minisat_noassertions /tmp/evaluation/422026-1177542417/instance-422026-1177542417.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 10000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 10030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 15000 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: 0.74 0.44 0.17 3/77 20462
/proc/meminfo: memFree=1831672/2055920 swapFree=4156304/4192956
[pid=20462] ppid=20460 vsize=2440 CPUtime=0
/proc/20462/stat : 20462 (minisat_noasser) R 20460 20462 20280 0 -1 4194304 517 0 0 0 0 0 0 0 18 0 1 0 230279463 2498560 503 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134549280 0 0 4096 3 0 0 0 17 1 0 0
/proc/20462/statm: 610 504 50 130 0 477 0

[startup+0.077089 s]
/proc/loadavg: 0.74 0.44 0.17 3/77 20462
/proc/meminfo: memFree=1831672/2055920 swapFree=4156304/4192956
[pid=20462] ppid=20460 vsize=17528 CPUtime=0.07
/proc/20462/stat : 20462 (minisat_noasser) R 20460 20462 20280 0 -1 4194304 3675 0 0 0 5 2 0 0 18 0 1 0 230279463 17948672 3660 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134530821 0 0 4096 3 0 0 0 17 1 0 0
/proc/20462/statm: 4382 3660 50 130 0 4249 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 17528

[startup+0.102092 s]
/proc/loadavg: 0.74 0.44 0.17 3/77 20462
/proc/meminfo: memFree=1831672/2055920 swapFree=4156304/4192956
[pid=20462] ppid=20460 vsize=18876 CPUtime=0.09
/proc/20462/stat : 20462 (minisat_noasser) R 20460 20462 20280 0 -1 4194304 4041 0 0 0 7 2 0 0 18 0 1 0 230279463 19329024 4026 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/20462/statm: 4719 4026 50 130 0 4586 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 18876

[startup+0.301112 s]
/proc/loadavg: 0.74 0.44 0.17 3/77 20462
/proc/meminfo: memFree=1831672/2055920 swapFree=4156304/4192956
[pid=20462] ppid=20460 vsize=30456 CPUtime=0.29
/proc/20462/stat : 20462 (minisat_noasser) R 20460 20462 20280 0 -1 4194304 6835 0 0 0 26 3 0 0 19 0 1 0 230279463 31186944 6820 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/20462/statm: 7614 6820 50 130 0 7481 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 30456

[startup+0.702155 s]
/proc/loadavg: 0.74 0.44 0.17 3/77 20462
/proc/meminfo: memFree=1831672/2055920 swapFree=4156304/4192956
[pid=20462] ppid=20460 vsize=41048 CPUtime=0.69
/proc/20462/stat : 20462 (minisat_noasser) R 20460 20462 20280 0 -1 4194304 9471 0 0 0 65 4 0 0 23 0 1 0 230279463 42033152 9456 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/20462/statm: 10262 9456 62 130 0 10129 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 41048

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

[startup+1.1052 s]
/proc/loadavg: 0.74 0.44 0.17 2/78 20463
/proc/meminfo: memFree=1786160/2055920 swapFree=4156304/4192956
[pid=20462] ppid=20460 vsize=52516 CPUtime=1.09
/proc/20462/stat : 20462 (minisat_noasser) R 20460 20462 20280 0 -1 4194304 12122 0 0 0 104 5 0 0 25 0 1 0 230279463 53776384 12107 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/20462/statm: 13129 12108 62 130 0 12996 0
Current children cumulated CPU time (s) 1.09
Current children cumulated vsize (KiB) 52516

[startup+1.20121 s]
/proc/loadavg: 0.74 0.44 0.17 2/78 20463
/proc/meminfo: memFree=1786160/2055920 swapFree=4156304/4192956
[pid=20462] ppid=20460 vsize=0 CPUtime=1.19
/proc/20462/stat : 20462 (minisat_noasser) R 20460 20462 20280 0 -1 4194308 12584 0 0 0 113 6 0 0 25 0 1 0 230279463 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 3 0 0 0 17 1 0 0
/proc/20462/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 1.19
Current children cumulated vsize (KiB) 0

Child status: 20
Real time (s): 1.20557
CPU time (s): 1.20382
CPU user time (s): 1.13283
CPU system time (s): 0.070989
CPU usage (%): 99.8543
Max. virtual memory (cumulated for all children) (KiB): 52516

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.13283
system time used= 0.070989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 12584
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= 23

runsolver used 0.000999 second user time and 0.010998 second system time

The end

Launcher Data (download as text)

Begin job on node7 on Wed Apr 25 23:06:58 UTC 2007

IDJOB= 422026
IDBENCH= 20455
IDSOLVER= 189
FILE ID= node7/422026-1177542417

PBS_JOBID= 4695923

Free space on /tmp= 66405 MiB

SOLVER NAME= minisat SAT 2007
BENCH NAME= HOME/pub/bench/SAT07/industrial/babic/dspam/dspam_dump_vc1081.cnf
COMMAND LINE= /tmp/evaluation/422026-1177542417/minisat_noassertions /tmp/evaluation/422026-1177542417/instance-422026-1177542417.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node7/watcher-422026-1177542417 -o ROOT/results/node7/solver-422026-1177542417 -C 10000 -W 15000 -M 1800 --output-limit 1,15  /tmp/evaluation/422026-1177542417/minisat_noassertions /tmp/evaluation/422026-1177542417/instance-422026-1177542417.cnf

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  8a3e5e1fd068ee5229d7193ac5bcb167

RANDOM SEED= 308306366

TIME LIMIT= 10000 seconds
MEMORY LIMIT= 1800 MiB

Linux node7.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		: 3000.231
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		: 3000.231
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:       1832208 kB
Buffers:         37204 kB
Cached:         118784 kB
SwapCached:      16800 kB
Active:          70000 kB
Inactive:       110004 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1832208 kB
SwapTotal:     4192956 kB
SwapFree:      4156304 kB
Dirty:            8752 kB
Writeback:           0 kB
Mapped:          29772 kB
Slab:            29180 kB
Committed_AS:  8892760 kB
PageTables:       1860 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= 66405 MiB

End job on node7 on Wed Apr 25 23:07:00 UTC 2007