Trace number 421316

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 2007SAT 19.644 19.7149

General information on the benchmark

Namerandom/2+p/p0.7/v3500/
unif2p-p0.7-v3500-c9345-S1568322528-08-SAT.cnf
MD5SUMd0f9a30f8fda4c844dc97689f3035cdb
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.613906
Satisfiable
(Un)Satisfiability was proved
Number of variables3494
Number of clauses9344
Sum of the clauses size25229
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 22803
Number of clauses of size 36541
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:  3500                                                 |
0.00/0.00	c |  Number of clauses:    9344                                                 |
0.00/0.01	c |  Parsing time:         0.01         s                                       |
0.00/0.03	c ============================[ Search Statistics ]==============================
0.00/0.03	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.03	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.03	c ===============================================================================
0.00/0.03	c |         0 |    2465     7793    23584 |     2597        0    nan |  0.000 % |
0.00/0.04	c |       101 |    2463     7793    23584 |     2857      100     18 |  0.200 % |
0.00/0.06	c |       253 |    2458     7760    23493 |     3143      252     19 |  0.200 % |
0.00/0.08	c |       479 |    2458     7760    23493 |     3457      478     21 |  0.200 % |
0.10/0.12	c |       816 |    2458     7760    23493 |     3803      815     21 |  0.200 % |
0.10/0.17	c |      1322 |    2458     7760    23493 |     4183     1321     21 |  0.200 % |
0.20/0.27	c |      2081 |    2458     7760    23493 |     4601     2080     22 |  0.200 % |
0.39/0.43	c |      3223 |    2458     7760    23493 |     5062     3222     23 |  0.200 % |
0.59/0.68	c |      4932 |    2458     7760    23493 |     5568     4931     23 |  0.200 % |
0.99/1.06	c |      7494 |    2458     7760    23493 |     6125     4611     21 |  0.200 % |
1.59/1.67	c |     11338 |    2458     7760    23493 |     6737     5261     22 |  0.200 % |
2.59/2.64	c |     17105 |    2458     7760    23493 |     7411     4154     19 |  0.200 % |
4.07/4.14	c |     25754 |    2458     7760    23493 |     8152     5143     22 |  0.200 % |
6.27/6.38	c |     38728 |    2458     7760    23493 |     8967     5679     20 |  0.200 % |
9.86/9.92	c |     58189 |    2458     7760    23493 |     9864     6758     28 |  0.200 % |
15.45/15.59	c |     87382 |    2458     7760    23493 |    10851     5782     21 |  0.200 % |
19.63/19.70	c ===============================================================================
19.63/19.71	c restarts              : 16
19.63/19.71	c conflicts             : 107963         (5497 /sec)
19.63/19.71	c decisions             : 137645         (1.73 % random) (7009 /sec)
19.63/19.71	c propagations          : 31303258       (1593932 /sec)
19.63/19.71	c conflict literals     : 2672330        (40.14 % deleted)
19.63/19.71	c Memory used           : 4.59 MB
19.63/19.71	c CPU time              : 19.639 s
19.63/19.71	c 
19.63/19.71	s SATISFIABLE
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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/node10/watcher-421316-1177502460 -o ROOT/results/node10/solver-421316-1177502460 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/421316-1177502460/minisat_noassertions /tmp/evaluation/421316-1177502460/instance-421316-1177502460.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: 0.99 0.97 0.94 3/77 8193
/proc/meminfo: memFree=1815464/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=2308 CPUtime=0
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 252 0 0 0 0 0 0 0 18 0 1 0 226283527 2363392 238 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134686936 0 0 4096 3 0 0 0 17 1 0 0
/proc/8193/statm: 577 238 50 130 0 444 0

[startup+0.088516 s]
/proc/loadavg: 0.99 0.97 0.94 3/77 8193
/proc/meminfo: memFree=1815464/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=3092 CPUtime=0.08
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 482 0 0 0 8 0 0 0 18 0 1 0 226283527 3166208 468 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/8193/statm: 773 468 66 130 0 640 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 3092

[startup+0.101518 s]
/proc/loadavg: 0.99 0.97 0.94 3/77 8193
/proc/meminfo: memFree=1815464/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=3092 CPUtime=0.1
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 482 0 0 0 10 0 0 0 18 0 1 0 226283527 3166208 468 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546842 0 0 4096 3 0 0 0 17 1 0 0
/proc/8193/statm: 773 468 66 130 0 640 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 3092

[startup+0.301562 s]
/proc/loadavg: 0.99 0.97 0.94 3/77 8193
/proc/meminfo: memFree=1815464/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=3092 CPUtime=0.3
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 482 0 0 0 30 0 0 0 19 0 1 0 226283527 3166208 468 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547020 0 0 4096 3 0 0 0 17 1 0 0
/proc/8193/statm: 773 468 66 130 0 640 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 3092

[startup+0.701652 s]
/proc/loadavg: 0.99 0.97 0.94 3/77 8193
/proc/meminfo: memFree=1815464/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=3224 CPUtime=0.69
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 514 0 0 0 69 0 0 0 23 0 1 0 226283527 3301376 500 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547072 0 0 4096 3 0 0 0 17 0 0 0
/proc/8193/statm: 806 500 66 130 0 673 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3224

[startup+1.50182 s]
/proc/loadavg: 0.99 0.97 0.94 2/84 8220
/proc/meminfo: memFree=1812312/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=3376 CPUtime=1.49
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 558 0 0 0 149 0 0 0 25 0 1 0 226283527 3457024 544 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546885 0 0 4096 3 0 0 0 17 1 0 0
/proc/8193/statm: 844 544 66 130 0 711 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3376

[startup+3.10117 s]
/proc/loadavg: 0.99 0.97 0.94 2/84 8220
/proc/meminfo: memFree=1811992/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=3640 CPUtime=3.09
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 602 0 0 0 309 0 0 0 25 0 1 0 226283527 3727360 588 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547326 0 0 4096 3 0 0 0 17 1 0 0
/proc/8193/statm: 910 588 66 130 0 777 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 3640

[startup+6.30186 s]
/proc/loadavg: 0.99 0.97 0.94 2/84 8260
/proc/meminfo: memFree=1811472/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=3772 CPUtime=6.27
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 657 0 0 0 627 0 0 0 25 0 1 0 226283527 3862528 643 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546942 0 0 4096 3 0 0 0 17 1 0 0
/proc/8193/statm: 943 643 66 130 0 810 0
Current children cumulated CPU time (s) 6.27
Current children cumulated vsize (KiB) 3772

[startup+12.7022 s]
/proc/loadavg: 0.99 0.97 0.94 2/84 8268
/proc/meminfo: memFree=1810840/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=4304 CPUtime=12.65
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 793 0 0 0 1265 0 0 0 25 0 1 0 226283527 4407296 779 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546997 0 0 4096 3 0 0 0 17 1 0 0
/proc/8193/statm: 1076 779 66 130 0 943 0
Current children cumulated CPU time (s) 12.65
Current children cumulated vsize (KiB) 4304

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

[startup+15.9019 s]
/proc/loadavg: 0.99 0.97 0.94 2/84 8276
/proc/meminfo: memFree=1810904/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=4436 CPUtime=15.83
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 816 0 0 0 1583 0 0 0 25 0 1 0 226283527 4542464 802 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546920 0 0 4096 3 0 0 0 17 1 0 0
/proc/8193/statm: 1109 802 66 130 0 976 0
Current children cumulated CPU time (s) 15.83
Current children cumulated vsize (KiB) 4436

[startup+17.5013 s]
/proc/loadavg: 0.99 0.97 0.94 2/84 8302
/proc/meminfo: memFree=1810832/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=4568 CPUtime=17.44
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 843 0 0 0 1744 0 0 0 25 0 1 0 226283527 4677632 829 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134552454 0 0 4096 3 0 0 0 17 1 0 0
/proc/8193/statm: 1142 829 66 130 0 1009 0
Current children cumulated CPU time (s) 17.44
Current children cumulated vsize (KiB) 4568

[startup+19.1016 s]
/proc/loadavg: 0.99 0.97 0.94 2/84 8310
/proc/meminfo: memFree=1810704/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=4568 CPUtime=19.03
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 860 0 0 0 1903 0 0 0 25 0 1 0 226283527 4677632 846 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547143 0 0 4096 3 0 0 0 17 1 0 0
/proc/8193/statm: 1142 846 66 130 0 1009 0
Current children cumulated CPU time (s) 19.03
Current children cumulated vsize (KiB) 4568

[startup+19.5017 s]
/proc/loadavg: 0.99 0.97 0.94 2/84 8310
/proc/meminfo: memFree=1810704/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=4568 CPUtime=19.43
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 860 0 0 0 1943 0 0 0 25 0 1 0 226283527 4677632 846 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547313 0 0 4096 3 0 0 0 17 1 0 0
/proc/8193/statm: 1142 846 66 130 0 1009 0
Current children cumulated CPU time (s) 19.43
Current children cumulated vsize (KiB) 4568

[startup+19.7017 s]
/proc/loadavg: 0.99 0.97 0.94 2/84 8310
/proc/meminfo: memFree=1810576/2055920 swapFree=4145420/4192956
[pid=8193] ppid=8191 vsize=4568 CPUtime=19.63
/proc/8193/stat : 8193 (minisat_noasser) R 8191 8193 6922 0 -1 4194304 860 0 0 0 1963 0 0 0 25 0 1 0 226283527 4677632 846 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546942 0 0 4096 3 0 0 0 17 1 0 0
/proc/8193/statm: 1142 846 66 130 0 1009 0
Current children cumulated CPU time (s) 19.63
Current children cumulated vsize (KiB) 4568

Child status: 10
Real time (s): 19.7149
CPU time (s): 19.644
CPU user time (s): 19.641
CPU system time (s): 0.002999
CPU usage (%): 99.6405
Max. virtual memory (cumulated for all children) (KiB): 4568

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 19.641
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 869
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= 539

runsolver used 0.020996 second user time and 0.057991 second system time

The end

Launcher Data (download as text)

Begin job on node10 on Wed Apr 25 12:01:00 UTC 2007

IDJOB= 421316
IDBENCH= 20226
IDSOLVER= 188
FILE ID= node10/421316-1177502460

PBS_JOBID= 4685810

Free space on /tmp= 66273 MiB

SOLVER NAME= minisat SAT 2007
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.7/v3500/unif2p-p0.7-v3500-c9345-S1568322528-08-SAT.cnf
COMMAND LINE= /tmp/evaluation/421316-1177502460/minisat_noassertions /tmp/evaluation/421316-1177502460/instance-421316-1177502460.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node10/watcher-421316-1177502460 -o ROOT/results/node10/solver-421316-1177502460 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/421316-1177502460/minisat_noassertions /tmp/evaluation/421316-1177502460/instance-421316-1177502460.cnf

META MD5SUM SOLVER= 80cbedba287df00eb7b45eadedad758b
MD5SUM BENCH=  d0f9a30f8fda4c844dc97689f3035cdb

RANDOM SEED= 381904495

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node10.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		: 3000.259
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		: 3000.259
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:       1815872 kB
Buffers:         39440 kB
Cached:         134032 kB
SwapCached:      16248 kB
Active:         119316 kB
Inactive:        77976 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1815872 kB
SwapTotal:     4192956 kB
SwapFree:      4145420 kB
Dirty:            1632 kB
Writeback:           0 kB
Mapped:          30040 kB
Slab:            28368 kB
Committed_AS:  3746236 kB
PageTables:       1708 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= 66273 MiB

End job on node10 on Wed Apr 25 12:01:20 UTC 2007