Trace number 421414

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 14.0239 14.0538

General information on the benchmark

Namerandom/2+p/p0.8/v1665/
unif2p-p0.8-v1665-c5178-S1386858597-08-SAT.cnf
MD5SUMd278f0ab23fc6647da28c17830cf2da7
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.261959
Satisfiable
(Un)Satisfiability was proved
Number of variables1665
Number of clauses5177
Sum of the clauses size14496
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 21035
Number of clauses of size 34142
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:  1665                                                 |
0.00/0.00	c |  Number of clauses:    5177                                                 |
0.00/0.00	c |  Parsing time:         0.01         s                                       |
0.00/0.01	c ============================[ Search Statistics ]==============================
0.00/0.01	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.01	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.01	c ===============================================================================
0.00/0.01	c |         0 |    1389     4784    14299 |     1594        0    nan |  0.000 % |
0.00/0.02	c |       100 |    1389     4784    14299 |     1754      100     22 |  0.000 % |
0.00/0.03	c |       250 |    1388     4780    14290 |     1929      249     19 |  0.060 % |
0.00/0.04	c |       475 |    1388     4780    14290 |     2122      474     21 |  0.060 % |
0.00/0.07	c |       813 |    1388     4780    14290 |     2334      812     21 |  0.060 % |
0.10/0.11	c |      1319 |    1388     4780    14290 |     2568     1318     23 |  0.061 % |
0.10/0.17	c |      2078 |    1388     4780    14290 |     2825     2077     22 |  0.061 % |
0.20/0.28	c |      3217 |    1388     4780    14290 |     3107     1774     21 |  0.061 % |
0.39/0.44	c |      4925 |    1388     4780    14290 |     3418     1857     22 |  0.060 % |
0.59/0.69	c |      7488 |    1388     4780    14290 |     3760     2616     21 |  0.060 % |
1.00/1.08	c |     11332 |    1388     4780    14290 |     4136     2569     22 |  0.060 % |
1.69/1.70	c |     17100 |    1388     4780    14290 |     4549     4051     20 |  0.060 % |
2.59/2.65	c |     25753 |    1388     4780    14290 |     5004     3315     20 |  0.060 % |
4.09/4.14	c |     38731 |    1388     4780    14290 |     5505     3361     19 |  0.061 % |
6.38/6.44	c |     58192 |    1388     4780    14290 |     6055     2933     25 |  0.060 % |
9.87/9.93	c |     87386 |    1388     4780    14290 |     6661     4264     22 |  0.060 % |
13.96/14.05	c ===============================================================================
13.96/14.05	c restarts              : 16
13.96/14.05	c conflicts             : 118749         (8470 /sec)
13.96/14.05	c decisions             : 147863         (1.73 % random) (10547 /sec)
13.96/14.05	c propagations          : 21443041       (1529475 /sec)
13.96/14.05	c conflict literals     : 3078163        (37.16 % deleted)
13.96/14.05	c Memory used           : 3.75 MB
13.96/14.05	c CPU time              : 14.0199 s
13.96/14.05	c 
13.96/14.05	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/node1/watcher-421414-1177506080 -o ROOT/results/node1/solver-421414-1177506080 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/421414-1177506080/minisat_noassertions /tmp/evaluation/421414-1177506080/instance-421414-1177506080.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 0.91 3/83 28809
/proc/meminfo: memFree=1770608/2055920 swapFree=4145748/4192956
[pid=28809] ppid=28807 vsize=2144 CPUtime=0
/proc/28809/stat : 28809 (minisat_noasser) R 28807 28809 28551 0 -1 4194304 201 0 0 0 0 0 0 0 18 0 1 0 226645871 2195456 187 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/28809/statm: 536 188 50 130 0 403 0

[startup+0.0997481 s]
/proc/loadavg: 0.99 0.97 0.91 3/83 28809
/proc/meminfo: memFree=1770608/2055920 swapFree=4145748/4192956
[pid=28809] ppid=28807 vsize=2368 CPUtime=0.09
/proc/28809/stat : 28809 (minisat_noasser) R 28807 28809 28551 0 -1 4194304 282 0 0 0 9 0 0 0 18 0 1 0 226645871 2424832 268 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546837 0 0 4096 3 0 0 0 17 1 0 0
/proc/28809/statm: 592 268 66 130 0 459 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2368

[startup+0.102748 s]
/proc/loadavg: 0.99 0.97 0.91 3/83 28809
/proc/meminfo: memFree=1770608/2055920 swapFree=4145748/4192956
[pid=28809] ppid=28807 vsize=2368 CPUtime=0.1
/proc/28809/stat : 28809 (minisat_noasser) R 28807 28809 28551 0 -1 4194304 282 0 0 0 10 0 0 0 18 0 1 0 226645871 2424832 268 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546962 0 0 4096 3 0 0 0 17 1 0 0
/proc/28809/statm: 592 268 66 130 0 459 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2368

[startup+0.301771 s]
/proc/loadavg: 0.99 0.97 0.91 3/83 28809
/proc/meminfo: memFree=1770608/2055920 swapFree=4145748/4192956
[pid=28809] ppid=28807 vsize=2512 CPUtime=0.29
/proc/28809/stat : 28809 (minisat_noasser) R 28807 28809 28551 0 -1 4194304 319 0 0 0 29 0 0 0 19 0 1 0 226645871 2572288 305 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/28809/statm: 628 305 66 130 0 495 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2512

[startup+0.702818 s]
/proc/loadavg: 0.99 0.97 0.91 3/83 28809
/proc/meminfo: memFree=1770608/2055920 swapFree=4145748/4192956
[pid=28809] ppid=28807 vsize=2644 CPUtime=0.69
/proc/28809/stat : 28809 (minisat_noasser) R 28807 28809 28551 0 -1 4194304 351 0 0 0 69 0 0 0 23 0 1 0 226645871 2707456 337 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547273 0 0 4096 3 0 0 0 17 1 0 0
/proc/28809/statm: 661 337 66 130 0 528 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2644

[startup+1.50191 s]
/proc/loadavg: 0.99 0.97 0.91 2/84 28810
/proc/meminfo: memFree=1769448/2055920 swapFree=4145748/4192956
[pid=28809] ppid=28807 vsize=2776 CPUtime=1.49
/proc/28809/stat : 28809 (minisat_noasser) R 28807 28809 28551 0 -1 4194304 389 0 0 0 149 0 0 0 25 0 1 0 226645871 2842624 375 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/28809/statm: 694 375 66 130 0 561 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2776

[startup+3.1011 s]
/proc/loadavg: 0.99 0.97 0.91 2/84 28816
/proc/meminfo: memFree=1769128/2055920 swapFree=4145748/4192956
[pid=28809] ppid=28807 vsize=2908 CPUtime=3.09
/proc/28809/stat : 28809 (minisat_noasser) R 28807 28809 28551 0 -1 4194304 428 0 0 0 309 0 0 0 25 0 1 0 226645871 2977792 414 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134551639 0 0 4096 3 0 0 0 17 1 0 0
/proc/28809/statm: 727 414 66 130 0 594 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2908

[startup+6.30148 s]
/proc/loadavg: 0.99 0.97 0.91 2/84 28832
/proc/meminfo: memFree=1768680/2055920 swapFree=4145748/4192956
[pid=28809] ppid=28807 vsize=3304 CPUtime=6.28
/proc/28809/stat : 28809 (minisat_noasser) R 28807 28809 28551 0 -1 4194304 512 0 0 0 628 0 0 0 25 0 1 0 226645871 3383296 498 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546894 0 0 4096 3 0 0 0 17 1 0 0
/proc/28809/statm: 826 498 66 130 0 693 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 3304

[startup+12.7012 s]
/proc/loadavg: 0.99 0.97 0.91 2/84 28858
/proc/meminfo: memFree=1768232/2055920 swapFree=4145748/4192956
[pid=28809] ppid=28807 vsize=3700 CPUtime=12.67
/proc/28809/stat : 28809 (minisat_noasser) R 28807 28809 28551 0 -1 4194304 631 0 0 0 1267 0 0 0 25 0 1 0 226645871 3788800 617 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546875 0 0 4096 3 0 0 0 17 1 0 0
/proc/28809/statm: 925 617 66 130 0 792 0
Current children cumulated CPU time (s) 12.67
Current children cumulated vsize (KiB) 3700

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

[startup+13.5013 s]
/proc/loadavg: 0.99 0.97 0.91 2/84 28858
/proc/meminfo: memFree=1768104/2055920 swapFree=4145748/4192956
[pid=28809] ppid=28807 vsize=3832 CPUtime=13.46
/proc/28809/stat : 28809 (minisat_noasser) R 28807 28809 28551 0 -1 4194304 638 0 0 0 1346 0 0 0 25 0 1 0 226645871 3923968 624 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547172 0 0 4096 3 0 0 0 17 1 0 0
/proc/28809/statm: 958 624 66 130 0 825 0
Current children cumulated CPU time (s) 13.46
Current children cumulated vsize (KiB) 3832

[startup+13.9014 s]
/proc/loadavg: 0.99 0.97 0.91 2/84 28858
/proc/meminfo: memFree=1768104/2055920 swapFree=4145748/4192956
[pid=28809] ppid=28807 vsize=3832 CPUtime=13.86
/proc/28809/stat : 28809 (minisat_noasser) R 28807 28809 28551 0 -1 4194304 638 0 0 0 1386 0 0 0 25 0 1 0 226645871 3923968 624 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134548224 0 0 4096 3 0 0 0 17 1 0 0
/proc/28809/statm: 958 624 66 130 0 825 0
Current children cumulated CPU time (s) 13.86
Current children cumulated vsize (KiB) 3832

[startup+14.0014 s]
/proc/loadavg: 0.99 0.97 0.91 2/84 28858
/proc/meminfo: memFree=1768104/2055920 swapFree=4145748/4192956
[pid=28809] ppid=28807 vsize=3832 CPUtime=13.96
/proc/28809/stat : 28809 (minisat_noasser) R 28807 28809 28551 0 -1 4194304 638 0 0 0 1396 0 0 0 25 0 1 0 226645871 3923968 624 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134547032 0 0 4096 3 0 0 0 17 1 0 0
/proc/28809/statm: 958 624 66 130 0 825 0
Current children cumulated CPU time (s) 13.96
Current children cumulated vsize (KiB) 3832

Child status: 10
Real time (s): 14.0538
CPU time (s): 14.0239
CPU user time (s): 14.0199
CPU system time (s): 0.003999
CPU usage (%): 99.7874
Max. virtual memory (cumulated for all children) (KiB): 3832

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 14.0199
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= 644
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= 93

runsolver used 0.017997 second user time and 0.039993 second system time

The end

Launcher Data (download as text)

Begin job on node1 on Wed Apr 25 13:01:20 UTC 2007

IDJOB= 421414
IDBENCH= 20337
IDSOLVER= 188
FILE ID= node1/421414-1177506080

PBS_JOBID= 4685919

Free space on /tmp= 66453 MiB

SOLVER NAME= minisat SAT 2007
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1665/unif2p-p0.8-v1665-c5178-S1386858597-08-SAT.cnf
COMMAND LINE= /tmp/evaluation/421414-1177506080/minisat_noassertions /tmp/evaluation/421414-1177506080/instance-421414-1177506080.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node1/watcher-421414-1177506080 -o ROOT/results/node1/solver-421414-1177506080 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/421414-1177506080/minisat_noassertions /tmp/evaluation/421414-1177506080/instance-421414-1177506080.cnf

META MD5SUM SOLVER= 80cbedba287df00eb7b45eadedad758b
MD5SUM BENCH=  d278f0ab23fc6647da28c17830cf2da7

RANDOM SEED= 82188722

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node1.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:       1771080 kB
Buffers:         37480 kB
Cached:         177820 kB
SwapCached:      15424 kB
Active:         121928 kB
Inactive:       117752 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1771080 kB
SwapTotal:     4192956 kB
SwapFree:      4145748 kB
Dirty:            1704 kB
Writeback:           0 kB
Mapped:          31008 kB
Slab:            30164 kB
Committed_AS:  5181244 kB
PageTables:       2068 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= 66453 MiB

End job on node1 on Wed Apr 25 13:01:35 UTC 2007