Trace number 1797877

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
minisat2-core 070721UNSAT 44.4822 44.4954

General information on the benchmark

Namemanol-pipe-g7nidw.cnf
MD5SUMa0303c742e981cc0d4711ad3ac66f146
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark21.3578
Satisfiable
(Un)Satisfiability was proved
Number of variables75496
Number of clauses222379
Sum of the clauses size518883
Maximum clause length3
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 2148252
Number of clauses of size 374126
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.00	This is MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  75496                                                |
0.00/0.00	|  Number of clauses:    222379                                               |
0.09/0.13	|  Parsing time:         0.11         s                                       |
0.09/0.13	============================[ Search Statistics ]==============================
0.09/0.13	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.13	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.13	===============================================================================
0.09/0.13	|         0 |   75495   222376   518878 |    74125        0    nan |  0.000 % |
0.09/0.19	|       101 |   75486   222376   518878 |    81537       96      6 |  0.089 % |
0.29/0.31	|       251 |   75389   222376   518878 |    89691      237      7 |  0.792 % |
0.49/0.52	|       477 |   74898   219681   512904 |    98660      457     10 |  0.792 % |
0.69/0.78	|       814 |   74883   219604   512736 |   108526      793     12 |  0.812 % |
1.00/1.06	|      1320 |   74868   219531   512576 |   119379     1298     16 |  0.832 % |
1.39/1.45	|      2080 |   74858   219489   512483 |   131317     2057     20 |  0.845 % |
1.69/1.76	|      3220 |   74857   219486   512477 |   144449     3196     26 |  0.846 % |
2.49/2.54	|      4931 |   74857   219486   512477 |   158894     4907     27 |  0.846 % |
3.19/3.30	|      7495 |   74842   219409   512309 |   174783     7468     32 |  0.866 % |
4.59/4.61	|     11341 |   74838   219406   512303 |   192262    11310     31 |  0.885 % |
5.99/6.09	|     17107 |   74636   219357   512194 |   211488    16989     37 |  2.392 % |
7.99/8.07	|     25756 |   73658   214561   501540 |   232637    25038     44 |  2.482 % |
11.19/11.23	|     38731 |   73612   214263   500877 |   255900    38011     43 |  2.515 % |
18.39/18.42	|     58192 |   73550   214091   500495 |   281490    57464     43 |  2.676 % |
28.49/28.50	|     87384 |   73454   213608   499417 |   309639    86647     40 |  2.710 % |
44.38/44.48	===============================================================================
44.38/44.48	restarts              : 16
44.38/44.48	conflicts             : 124185         (2797 /sec)
44.38/44.48	decisions             : 541293         (1.51 % random) (12193 /sec)
44.38/44.48	propagations          : 82519060       (1858778 /sec)
44.38/44.48	conflict literals     : 5318799        (31.06 % deleted)
44.38/44.48	Memory used           : 42.03 MB
44.38/44.48	CPU time              : 44.3943 s
44.38/44.48	
44.38/44.48	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1797877-1242090875/watcher-1797877-1242090875 -o /tmp/evaluation-result-1797877-1242090875/solver-1797877-1242090875 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1797877-1242090875.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): 1800 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 3301
/proc/meminfo: memFree=1954288/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=2160 CPUtime=0
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 419 0 0 0 0 0 0 0 20 0 1 0 237116891 2211840 404 1992294400 134512640 135213614 4294956256 18446744073709551615 134544733 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 540 404 58 171 0 366 0

[startup+0.0287141 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 3301
/proc/meminfo: memFree=1954288/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=4884 CPUtime=0.02
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 1037 0 0 0 2 0 0 0 20 0 1 0 237116891 5001216 1022 1992294400 134512640 135213614 4294956256 18446744073709551615 134719431 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 1221 1022 58 171 0 1047 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 4884

[startup+0.101722 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 3301
/proc/meminfo: memFree=1954288/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=12280 CPUtime=0.09
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 2826 0 0 0 8 1 0 0 20 0 1 0 237116891 12574720 2811 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 3070 2812 58 171 0 2896 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12280

[startup+0.301747 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 3301
/proc/meminfo: memFree=1954288/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=16684 CPUtime=0.29
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 3699 0 0 0 27 2 0 0 22 0 1 0 237116891 17084416 3684 1992294400 134512640 135213614 4294956256 18446744073709551615 134526789 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 4171 3684 77 171 0 3997 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 16684

[startup+0.701797 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 3301
/proc/meminfo: memFree=1954288/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=16804 CPUtime=0.69
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 3725 0 0 0 67 2 0 0 25 0 1 0 237116891 17207296 3710 1992294400 134512640 135213614 4294956256 18446744073709551615 134527261 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 4201 3710 78 171 0 4027 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 16804

[startup+1.5019 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 3302
/proc/meminfo: memFree=1939688/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=16936 CPUtime=1.49
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 3742 0 0 0 147 2 0 0 25 0 1 0 237116891 17342464 3727 1992294400 134512640 135213614 4294956256 18446744073709551615 134526685 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 4234 3727 78 171 0 4060 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 16936

[startup+3.1011 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 3302
/proc/meminfo: memFree=1939176/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=17728 CPUtime=3.09
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 3956 0 0 0 307 2 0 0 25 0 1 0 237116891 18153472 3941 1992294400 134512640 135213614 4294956256 18446744073709551615 134530552 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 4432 3941 78 171 0 4258 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 17728

[startup+6.3015 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 3302
/proc/meminfo: memFree=1937200/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=19840 CPUtime=6.29
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 4475 0 0 0 627 2 0 0 25 0 1 0 237116891 20316160 4460 1992294400 134512640 135213614 4294956256 18446744073709551615 134526685 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 4960 4460 78 171 0 4786 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19840

[startup+12.7013 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 3302
/proc/meminfo: memFree=1931256/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=25504 CPUtime=12.69
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 5880 0 0 0 1265 4 0 0 25 0 1 0 237116891 26116096 5865 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 6376 5865 78 171 0 6202 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 25504

[startup+25.5019 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 3302
/proc/meminfo: memFree=1923576/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=32924 CPUtime=25.49
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 7728 0 0 0 2543 6 0 0 25 0 1 0 237116891 33714176 7713 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 8231 7713 78 171 0 8057 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 32924

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

[startup+31.9057 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 3302
/proc/meminfo: memFree=1920824/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=35672 CPUtime=31.88
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 8374 0 0 0 3182 6 0 0 25 0 1 0 237116891 36528128 8359 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 8918 8359 78 171 0 8744 0
Current children cumulated CPU time (s) 31.88
Current children cumulated vsize (KiB) 35672

[startup+38.3015 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 3302
/proc/meminfo: memFree=1917176/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=40036 CPUtime=38.28
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 9499 0 0 0 3821 7 0 0 25 0 1 0 237116891 40996864 9484 1992294400 134512640 135213614 4294956256 18446744073709551615 134526810 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 10009 9484 78 171 0 9835 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 40036

[startup+41.5019 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 3302
/proc/meminfo: memFree=1914168/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=42476 CPUtime=41.47
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 10103 0 0 0 4140 7 0 0 25 0 1 0 237116891 43495424 10088 1992294400 134512640 135213614 4294956256 18446744073709551615 134526685 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 10619 10088 78 171 0 10445 0
Current children cumulated CPU time (s) 41.47
Current children cumulated vsize (KiB) 42476

[startup+43.1011 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 3302
/proc/meminfo: memFree=1913528/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=42900 CPUtime=43.08
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 10208 0 0 0 4300 8 0 0 25 0 1 0 237116891 43929600 10193 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 10725 10193 78 171 0 10551 0
Current children cumulated CPU time (s) 43.08
Current children cumulated vsize (KiB) 42900

[startup+43.9012 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 3302
/proc/meminfo: memFree=1913336/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=43032 CPUtime=43.89
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 10242 0 0 0 4381 8 0 0 25 0 1 0 237116891 44064768 10227 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 10758 10227 78 171 0 10584 0
Current children cumulated CPU time (s) 43.89
Current children cumulated vsize (KiB) 43032

[startup+44.3012 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 3302
/proc/meminfo: memFree=1913336/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=43032 CPUtime=44.28
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 10259 0 0 0 4420 8 0 0 25 0 1 0 237116891 44064768 10244 1992294400 134512640 135213614 4294956256 18446744073709551615 134526903 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 10758 10244 78 171 0 10584 0
Current children cumulated CPU time (s) 44.28
Current children cumulated vsize (KiB) 43032

[startup+44.4013 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 3302
/proc/meminfo: memFree=1913336/2055920 swapFree=4158712/4192956
[pid=3301] ppid=3299 vsize=43032 CPUtime=44.38
/proc/3301/stat : 3301 (minisat_static) R 3299 3301 3082 0 -1 4194304 10263 0 0 0 4430 8 0 0 25 0 1 0 237116891 44064768 10248 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/3301/statm: 10758 10248 78 171 0 10584 0
Current children cumulated CPU time (s) 44.38
Current children cumulated vsize (KiB) 43032

Child status: 20
Real time (s): 44.4954
CPU time (s): 44.4822
CPU user time (s): 44.3942
CPU system time (s): 0.087986
CPU usage (%): 99.9704
Max. virtual memory (cumulated for all children) (KiB): 43032

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 44.3943
system time used= 0.087986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10276
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= 2
involuntary context switches= 122

runsolver used 0.045993 second user time and 0.116982 second system time

The end

Launcher Data 

Begin job on node92 at 2009-05-12 03:14:35
IDJOB=1797877
IDBENCH=71767
IDSOLVER=651
FILE ID=node92/1797877-1242090875
PBS_JOBID= 9277681
Free space on /tmp= 66404 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT_RACE06/manol-pipe-g7nidw.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1797877-1242090875/watcher-1797877-1242090875 -o /tmp/evaluation-result-1797877-1242090875/solver-1797877-1242090875 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1797877-1242090875.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= a0303c742e981cc0d4711ad3ac66f146
RANDOM SEED=376343103

node92.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.245
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		: 3000.245
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1954704 kB
Buffers:          1956 kB
Cached:          25904 kB
SwapCached:      28308 kB
Active:          15048 kB
Inactive:        42656 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1954704 kB
SwapTotal:     4192956 kB
SwapFree:      4158712 kB
Dirty:            4420 kB
Writeback:           0 kB
Mapped:          14164 kB
Slab:            29308 kB
Committed_AS:   589136 kB
PageTables:       1460 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= 66404 MiB
End job on node92 at 2009-05-12 03:15:19