Trace number 1561710

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
VARSAT-industrial 2009-03-22SAT 42.1106 42.1236

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_8_4_5_exp.cnf
MD5SUM8074a7bc3c1695dbe8e033b31e3d3feb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark14.8357
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses51668
Sum of the clauses size133444
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 232492
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data 

0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  2420                                                 |
0.00/0.00	c |  Number of clauses:    51668                                                |
0.00/0.05	c |  Parsing time:         0.04         s                                       |
0.00/0.05	c |  Timeout:              43200 s
0.00/0.05	c |  Random Seed:          2060788251.000000
0.00/0.05	c |  Heuristic:            EMBP-G, threshold 0.950                              |
0.00/0.05	c |  Branching Rule:       default (solution-guided)                            |
0.00/0.05	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.00/0.05	c |                                                                             |
0.09/0.16	c ============================[ Search Statistics ]==============================
0.09/0.16	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.16	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.16	c ===============================================================================
0.09/0.16	c |         0 |    2416    50372   129590 |    16790        0    nan |  0.000 % |
0.19/0.21	c |       100 |    2416    50372   129590 |    18469      100     60 |  0.000 % |
0.19/0.27	c |       250 |    2416    50372   129590 |    20316      250     36 |  0.000 % |
0.29/0.32	c |       475 |    2416    50372   129590 |    22348      475     33 |  0.000 % |
0.29/0.39	c |       812 |    2411    50372   129590 |    24583      811     29 |  0.207 % |
0.39/0.46	c |      1319 |    2401    50372   129590 |    27041     1315     29 |  0.744 % |
0.49/0.55	c |      2078 |    2389    50372   129590 |    29745     2072     28 |  1.116 % |
0.59/0.67	c |      3218 |    2385    49823   128492 |    32720     3205     27 |  1.281 % |
0.79/0.83	c |      4926 |    2381    49823   128492 |    35992     4912     31 |  1.446 % |
0.99/1.06	c |      7488 |    2372    49676   128198 |    39591     7472     30 |  1.818 % |
1.39/1.43	c |     11333 |    2370    49676   128198 |    43550    11316     32 |  1.983 % |
2.10/2.12	c |     17100 |    2368    49440   127726 |    47905    17076     35 |  1.983 % |
3.49/3.51	c |     25750 |    2364    49372   127590 |    52696    25721     46 |  2.149 % |
6.39/6.43	c |     38724 |    2364    49372   127590 |    57965    38695     53 |  2.149 % |
13.58/13.66	c |     58185 |    2364    49372   127590 |    63762    58156     64 |  2.149 % |
24.49/24.59	c |     87377 |    2364    49372   127590 |    70138    48264     79 |  2.149 % |
42.07/42.11	c ===============================================================================
42.07/42.11	c surveys--CPU time (sec)   : 0.7779         (1.85 % of total)
42.07/42.11	c surveys--attempted        : 16             (21 /sec)
42.07/42.11	c surveys--converged        : 16             (100.00 % successful)
42.07/42.11	c restarts              : 16
42.07/42.11	c conflicts             : 121785         (2952 /sec)
42.07/42.11	c decisions             : 612757         (1.36 % random) (14853 /sec)
42.07/42.11	c propagations          : 11318845       (274365 /sec)
42.07/42.11	c conflict literals     : 11401612       (14.43 % deleted)
42.07/42.11	c Memory used           : 40.83 MB
42.07/42.11	c Total CPU time (sec)      : 42.0326     
42.07/42.11	c 
42.07/42.11	s SATISFIABLE
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Verifier Data 

OK

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1561710-1238768320/watcher-1561710-1238768320 -o /tmp/evaluation-result-1561710-1238768320/solver-1561710-1238768320 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-industrial_static -seed=2060788251 HOME/instance-1561710-1238768320.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
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: 1.99 1.63 1.27 3/65 19701
/proc/meminfo: memFree=1812272/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=2876 CPUtime=0
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 489 0 0 0 0 0 0 0 18 0 1 0 503165820 2945024 474 1992294400 4194304 5102648 548682068768 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 719 476 87 221 0 495 0

[startup+0.0780481 s]
/proc/loadavg: 1.99 1.63 1.27 3/65 19701
/proc/meminfo: memFree=1812272/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=8992 CPUtime=0.06
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 2006 0 0 0 6 0 0 0 18 0 1 0 503165820 9207808 1991 1992294400 4194304 5102648 548682068768 18446744073709551615 4273046 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 2248 1991 98 221 0 2024 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 8992

[startup+0.10205 s]
/proc/loadavg: 1.99 1.63 1.27 3/65 19701
/proc/meminfo: memFree=1812272/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=8992 CPUtime=0.09
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 2007 0 0 0 9 0 0 0 18 0 1 0 503165820 9207808 1992 1992294400 4194304 5102648 548682068768 18446744073709551615 4283582 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 2248 1992 99 221 0 2024 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8992

[startup+0.301073 s]
/proc/loadavg: 1.99 1.63 1.27 3/65 19701
/proc/meminfo: memFree=1812272/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=8508 CPUtime=0.29
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 2123 0 0 0 29 0 0 0 19 0 1 0 503165820 8712192 1908 1992294400 4194304 5102648 548682068768 18446744073709551615 4213880 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 2127 1908 115 221 0 1903 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8508

[startup+0.702117 s]
/proc/loadavg: 1.99 1.63 1.27 3/65 19701
/proc/meminfo: memFree=1812272/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=8508 CPUtime=0.69
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 2123 0 0 0 69 0 0 0 23 0 1 0 503165820 8712192 1908 1992294400 4194304 5102648 548682068768 18446744073709551615 4214097 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 2127 1908 115 221 0 1903 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 8508

[startup+1.50121 s]
/proc/loadavg: 1.99 1.63 1.27 2/66 19702
/proc/meminfo: memFree=1804840/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=9912 CPUtime=1.49
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 2471 0 0 0 149 0 0 0 25 0 1 0 503165820 10149888 2256 1992294400 4194304 5102648 548682068768 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 2478 2256 115 221 0 2254 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9912

[startup+3.10139 s]
/proc/loadavg: 1.99 1.63 1.27 2/66 19702
/proc/meminfo: memFree=1802024/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=13580 CPUtime=3.09
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 3391 0 0 0 308 1 0 0 25 0 1 0 503165820 13905920 3176 1992294400 4194304 5102648 548682068768 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 3395 3176 115 221 0 3171 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13580

[startup+6.30175 s]
/proc/loadavg: 1.91 1.62 1.27 2/66 19702
/proc/meminfo: memFree=1795176/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=19312 CPUtime=6.29
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 4817 0 0 0 627 2 0 0 25 0 1 0 503165820 19775488 4602 1992294400 4194304 5102648 548682068768 18446744073709551615 4515739 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 4828 4602 115 221 0 4604 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19312

[startup+12.7015 s]
/proc/loadavg: 1.84 1.61 1.26 2/66 19702
/proc/meminfo: memFree=1786856/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=27368 CPUtime=12.68
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 6815 0 0 0 1264 4 0 0 25 0 1 0 503165820 28024832 6600 1992294400 4194304 5102648 548682068768 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 6842 6600 115 221 0 6618 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 27368

[startup+25.5019 s]
/proc/loadavg: 1.65 1.58 1.26 2/66 19702
/proc/meminfo: memFree=1780968/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=32560 CPUtime=25.49
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 8071 0 0 0 2544 5 0 0 25 0 1 0 503165820 33341440 7856 1992294400 4194304 5102648 548682068768 18446744073709551615 4249791 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 8140 7856 115 221 0 7916 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 32560

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

[startup+31.9057 s]
/proc/loadavg: 1.60 1.57 1.26 2/66 19702
/proc/meminfo: memFree=1777320/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=36256 CPUtime=31.88
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 9015 0 0 0 3183 5 0 0 25 0 1 0 503165820 37126144 8800 1992294400 4194304 5102648 548682068768 18446744073709551615 4249664 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 9064 8800 115 221 0 8840 0
Current children cumulated CPU time (s) 31.88
Current children cumulated vsize (KiB) 36256

[startup+38.3014 s]
/proc/loadavg: 1.55 1.56 1.26 2/66 19702
/proc/meminfo: memFree=1771944/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=41804 CPUtime=38.27
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 10414 0 0 0 3821 6 0 0 25 0 1 0 503165820 42807296 10199 1992294400 4194304 5102648 548682068768 18446744073709551615 4250181 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 10451 10199 115 221 0 10227 0
Current children cumulated CPU time (s) 38.27
Current children cumulated vsize (KiB) 41804

[startup+39.9016 s]
/proc/loadavg: 1.51 1.55 1.26 2/66 19702
/proc/meminfo: memFree=1771560/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=41804 CPUtime=39.87
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 10414 0 0 0 3981 6 0 0 25 0 1 0 503165820 42807296 10199 1992294400 4194304 5102648 548682068768 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 10451 10199 115 221 0 10227 0
Current children cumulated CPU time (s) 39.87
Current children cumulated vsize (KiB) 41804

[startup+41.5017 s]
/proc/loadavg: 1.51 1.55 1.26 2/66 19702
/proc/meminfo: memFree=1771560/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=41804 CPUtime=41.47
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 10414 0 0 0 4141 6 0 0 25 0 1 0 503165820 42807296 10199 1992294400 4194304 5102648 548682068768 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 10451 10199 115 221 0 10227 0
Current children cumulated CPU time (s) 41.47
Current children cumulated vsize (KiB) 41804

[startup+41.9018 s]
/proc/loadavg: 1.51 1.55 1.26 2/66 19702
/proc/meminfo: memFree=1771560/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=41804 CPUtime=41.87
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 10414 0 0 0 4181 6 0 0 25 0 1 0 503165820 42807296 10199 1992294400 4194304 5102648 548682068768 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 10451 10199 115 221 0 10227 0
Current children cumulated CPU time (s) 41.87
Current children cumulated vsize (KiB) 41804

[startup+42.1018 s]
/proc/loadavg: 1.51 1.55 1.26 2/66 19702
/proc/meminfo: memFree=1771560/2055920 swapFree=4178736/4192956
[pid=19701] ppid=19699 vsize=41804 CPUtime=42.07
/proc/19701/stat : 19701 (varsat-industri) R 19699 19701 18844 0 -1 4194304 10414 0 0 0 4201 6 0 0 25 0 1 0 503165820 42807296 10199 1992294400 4194304 5102648 548682068768 18446744073709551615 4249840 0 0 4096 3 0 0 0 17 1 0 0
/proc/19701/statm: 10451 10199 115 221 0 10227 0
Current children cumulated CPU time (s) 42.07
Current children cumulated vsize (KiB) 41804

Child status: 10
Real time (s): 42.1236
CPU time (s): 42.1106
CPU user time (s): 42.0336
CPU system time (s): 0.076988
CPU usage (%): 99.9691
Max. virtual memory (cumulated for all children) (KiB): 41804

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 42.0336
system time used= 0.076988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10419
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= 42

runsolver used 0.035994 second user time and 0.12898 second system time

The end

Launcher Data 

Begin job on node32 at 2009-04-03 16:18:40
IDJOB=1561710
IDBENCH=70920
IDSOLVER=538
FILE ID=node32/1561710-1238768320
PBS_JOBID= 9085489
Free space on /tmp= 66544 MiB

SOLVER NAME= VARSAT-industrial 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_8_4_5_exp.cnf
COMMAND LINE= HOME/varsat-industrial_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561710-1238768320/watcher-1561710-1238768320 -o /tmp/evaluation-result-1561710-1238768320/solver-1561710-1238768320 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-industrial_static -seed=2060788251 HOME/instance-1561710-1238768320.cnf

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

MD5SUM BENCH= 8074a7bc3c1695dbe8e033b31e3d3feb
RANDOM SEED=2060788251

node32.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		: 3000.234
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:       1812688 kB
Buffers:         31728 kB
Cached:         124264 kB
SwapCached:       7344 kB
Active:          35008 kB
Inactive:       129788 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1812688 kB
SwapTotal:     4192956 kB
SwapFree:      4178736 kB
Dirty:            1812 kB
Writeback:           0 kB
Mapped:          14536 kB
Slab:            64128 kB
Committed_AS:  1871248 kB
PageTables:       1496 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66544 MiB
End job on node32 at 2009-04-03 16:19:22