Trace number 421420

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 24.4103 24.4197

General information on the benchmark

Nameindustrial/anbulagan/
medium-unsat/total-5-11-u.cnf
MD5SUM770fa9cd880a43d98e936f33f4e86d7a
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark22.0936
Satisfiable
(Un)Satisfiability was proved
Number of variables156980
Number of clauses696581
Sum of the clauses size1582352
Maximum clause length10
Minimum clause length1
Number of clauses of size 113310
Number of clauses of size 2570471
Number of clauses of size 382900
Number of clauses of size 43320
Number of clauses of size 513280
Number of clauses of size over 513300

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:  156980                                               |
0.00/0.00	c |  Number of clauses:    696581                                               |
0.79/0.84	c |  Parsing time:         0.76         s                                       |
2.99/3.09	c ============================[ Search Statistics ]==============================
2.99/3.09	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
2.99/3.09	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
2.99/3.09	c ===============================================================================
2.99/3.09	c |         0 |   47375   266053   692297 |    88684        0    nan |  0.000 % |
3.29/3.37	c |       100 |   46677   266053   692297 |    97552       82     19 | 52.094 % |
3.69/3.74	c |       251 |   46630   266053   692297 |   107308      220     20 | 53.093 % |
4.09/4.13	c |       476 |   46592   266053   692297 |   118038      439     33 | 53.897 % |
4.69/4.73	c |       815 |   27774   141259   381694 |   129842      727     38 | 54.345 % |
5.59/5.60	c |      1322 |   25392   126086   344784 |   142827     1215     38 | 55.503 % |
6.39/6.50	c |      2083 |   25391   126086   344784 |   157109     1975     42 | 55.507 % |
8.59/8.62	c |      3222 |   25382   125976   344532 |   172820     3112     47 | 55.507 % |
11.69/11.77	c |      4931 |   25382   125976   344532 |   190102     4821     41 | 55.507 % |
15.69/15.75	c |      7494 |   22629   109623   301834 |   209113     7332     40 | 57.261 % |
22.38/22.49	c |     11340 |   15967    68934   193511 |   230024     3645     27 | 61.505 % |
24.38/24.40	c ===============================================================================
24.38/24.40	c restarts              : 11
24.38/24.40	c conflicts             : 12558          (517 /sec)
24.38/24.40	c decisions             : 21852          (0.77 % random) (900 /sec)
24.38/24.40	c propagations          : 24461495       (1006923 /sec)
24.38/24.40	c conflict literals     : 399542         (42.79 % deleted)
24.38/24.40	c Memory used           : 69.23 MB
24.38/24.40	c CPU time              : 24.2933 s
24.38/24.40	c 
24.38/24.40	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/node69/watcher-421420-1177491128 -o ROOT/results/node69/solver-421420-1177491128 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/421420-1177491128/minisat_noassertions /tmp/evaluation/421420-1177491128/instance-421420-1177491128.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: 0.94 0.88 0.49 3/64 13604
/proc/meminfo: memFree=1709292/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=2328 CPUtime=0
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 473 0 0 0 0 0 0 0 18 0 1 0 225102382 2383872 459 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134524841 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 582 460 50 130 0 449 0

[startup+0.0624101 s]
/proc/loadavg: 0.94 0.88 0.49 3/64 13604
/proc/meminfo: memFree=1709292/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=7736 CPUtime=0.05
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 1798 0 0 0 5 0 0 0 18 0 1 0 225102382 7921664 1784 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 1934 1787 50 130 0 1801 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 7736

[startup+0.101415 s]
/proc/loadavg: 0.94 0.88 0.49 3/64 13604
/proc/meminfo: memFree=1709292/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=14908 CPUtime=0.09
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 3142 0 0 0 8 1 0 0 18 0 1 0 225102382 15265792 3128 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 3727 3130 50 130 0 3594 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 14908

[startup+0.301446 s]
/proc/loadavg: 0.94 0.88 0.49 3/64 13604
/proc/meminfo: memFree=1709292/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=35512 CPUtime=0.29
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 7593 0 0 0 25 4 0 0 19 0 1 0 225102382 36364288 7579 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134683871 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 8878 7579 50 130 0 8745 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 35512

[startup+0.701512 s]
/proc/loadavg: 0.94 0.88 0.49 3/64 13604
/proc/meminfo: memFree=1709292/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=57568 CPUtime=0.69
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 12640 0 0 0 62 7 0 0 22 0 1 0 225102382 58949632 12626 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134530821 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 14392 12626 50 130 0 14259 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 57568

[startup+1.50164 s]
/proc/loadavg: 0.94 0.88 0.49 2/65 13605
/proc/meminfo: memFree=1653156/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=68616 CPUtime=1.49
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 15243 0 0 0 140 9 0 0 25 0 1 0 225102382 70262784 15229 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134523874 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 17154 15229 62 130 0 17021 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 68616

[startup+3.1019 s]
/proc/loadavg: 0.94 0.88 0.49 2/65 13605
/proc/meminfo: memFree=1639012/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=70708 CPUtime=3.09
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 18977 0 0 0 299 10 0 0 25 0 1 0 225102382 72404992 16338 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134682478 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 17677 16338 63 130 0 17544 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 70708

[startup+6.30242 s]
/proc/loadavg: 0.94 0.88 0.50 2/65 13605
/proc/meminfo: memFree=1643556/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=70888 CPUtime=6.29
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 19025 0 0 0 619 10 0 0 25 0 1 0 225102382 72589312 16386 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 17722 16386 66 130 0 17589 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 70888

[startup+12.7014 s]
/proc/loadavg: 0.95 0.88 0.50 2/65 13605
/proc/meminfo: memFree=1643684/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=70888 CPUtime=12.69
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 19025 0 0 0 1259 10 0 0 25 0 1 0 225102382 72589312 16386 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546586 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 17722 16386 66 130 0 17589 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 70888

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

[startup+19.1015 s]
/proc/loadavg: 0.95 0.89 0.50 2/65 13605
/proc/meminfo: memFree=1643748/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=70888 CPUtime=19.08
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 19025 0 0 0 1898 10 0 0 25 0 1 0 225102382 72589312 16386 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134552786 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 17722 16386 66 130 0 17589 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 70888

[startup+22.302 s]
/proc/loadavg: 0.95 0.89 0.50 2/65 13605
/proc/meminfo: memFree=1643748/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=70888 CPUtime=22.28
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 19025 0 0 0 2218 10 0 0 25 0 1 0 225102382 72589312 16386 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546809 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 17722 16386 66 130 0 17589 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 70888

[startup+23.1051 s]
/proc/loadavg: 0.95 0.89 0.50 2/65 13605
/proc/meminfo: memFree=1643748/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=70888 CPUtime=23.09
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 19025 0 0 0 2299 10 0 0 25 0 1 0 225102382 72589312 16386 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 17722 16386 66 130 0 17589 0
Current children cumulated CPU time (s) 23.09
Current children cumulated vsize (KiB) 70888

[startup+23.9012 s]
/proc/loadavg: 0.95 0.89 0.50 2/65 13605
/proc/meminfo: memFree=1643748/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=70888 CPUtime=23.88
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 19025 0 0 0 2378 10 0 0 25 0 1 0 225102382 72589312 16386 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 17722 16386 66 130 0 17589 0
Current children cumulated CPU time (s) 23.88
Current children cumulated vsize (KiB) 70888

[startup+24.3013 s]
/proc/loadavg: 0.96 0.89 0.51 2/65 13605
/proc/meminfo: memFree=1643748/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=70888 CPUtime=24.28
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 19025 0 0 0 2418 10 0 0 25 0 1 0 225102382 72589312 16386 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546920 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 17722 16386 66 130 0 17589 0
Current children cumulated CPU time (s) 24.28
Current children cumulated vsize (KiB) 70888

[startup+24.4013 s]
/proc/loadavg: 0.96 0.89 0.51 2/65 13605
/proc/meminfo: memFree=1643748/2055920 swapFree=4182892/4192956
[pid=13604] ppid=13602 vsize=70888 CPUtime=24.38
/proc/13604/stat : 13604 (minisat_noasser) R 13602 13604 13498 0 -1 4194304 19025 0 0 0 2428 10 0 0 25 0 1 0 225102382 72589312 16386 18446744073709551615 134512640 135048876 4294956640 18446744073709551615 134546870 0 0 4096 3 0 0 0 17 1 0 0
/proc/13604/statm: 17722 16386 66 130 0 17589 0
Current children cumulated CPU time (s) 24.38
Current children cumulated vsize (KiB) 70888

Child status: 20
Real time (s): 24.4197
CPU time (s): 24.4103
CPU user time (s): 24.2933
CPU system time (s): 0.116982
CPU usage (%): 99.9613
Max. virtual memory (cumulated for all children) (KiB): 85816

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 24.2933
system time used= 0.116982
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19031
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= 51

runsolver used 0.023996 second user time and 0.049992 second system time

The end

Launcher Data (download as text)

Begin job on node69 on Wed Apr 25 08:52:09 UTC 2007

IDJOB= 421420
IDBENCH= 20343
IDSOLVER= 188
FILE ID= node69/421420-1177491128

PBS_JOBID= 4685759

Free space on /tmp= 66483 MiB

SOLVER NAME= minisat SAT 2007
BENCH NAME= HOME/pub/bench/SAT07/industrial/anbulagan/medium-unsat/total-5-11-u.cnf
COMMAND LINE= /tmp/evaluation/421420-1177491128/minisat_noassertions /tmp/evaluation/421420-1177491128/instance-421420-1177491128.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node69/watcher-421420-1177491128 -o ROOT/results/node69/solver-421420-1177491128 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/421420-1177491128/minisat_noassertions /tmp/evaluation/421420-1177491128/instance-421420-1177491128.cnf

META MD5SUM SOLVER= 80cbedba287df00eb7b45eadedad758b
MD5SUM BENCH=  770fa9cd880a43d98e936f33f4e86d7a

RANDOM SEED= 478427644

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node69.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		: 3000.264
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	: 5931.00
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		: 3000.264
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:       1709764 kB
Buffers:         26584 kB
Cached:         246440 kB
SwapCached:       3872 kB
Active:          99548 kB
Inactive:       182896 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1709764 kB
SwapTotal:     4192956 kB
SwapFree:      4182892 kB
Dirty:           13472 kB
Writeback:           0 kB
Mapped:          15392 kB
Slab:            49780 kB
Committed_AS:  2256008 kB
PageTables:       1472 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= 66483 MiB

End job on node69 on Wed Apr 25 08:52:34 UTC 2007