Trace number 1824918

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
LySAT c/2009-03-20SAT 12.883 12.8948

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
MD5SUM51245c7b8edb32c4dbd94daf982c00d7
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.00169
Satisfiable
(Un)Satisfiability was proved
Number of variables2435
Number of clauses16016
Sum of the clauses size112873
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32207
Number of clauses of size 4298
Number of clauses of size 5447
Number of clauses of size over 512644

Solver Data

0.00/0.00	c Parsing...
0.00/0.03	c ==============================================================================
0.00/0.03	c |           |     ORIGINAL     |              LEARNT              |          |
0.00/0.03	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.00/0.03	c ==============================================================================
0.00/0.03	c |         0 |   15784   111487 |    4735       0        0     nan |  0.000 % |
0.00/0.09	c |         0 |   14063   101588 |      --       0       --      -- |     --   | -413/-4606
0.00/0.09	c ==============================================================================
0.00/0.09	c Result  :   #vars: 2339   #clauses: 14063   #literals: 101588
0.00/0.09	c CPU time:   0.083987 s
0.00/0.09	c ==============================================================================
0.09/0.13	This is MiniSat 2.0 beta
0.09/0.13	WARNING: for repeatability, setting FPU to use double precision
0.09/0.13	============================[ Problem Statistics ]=============================
0.09/0.13	|                                                                             |
0.09/0.13	|  Number of variables:  2339                                                 |
0.09/0.13	|  Number of clauses:    14063                                                |
0.09/0.15	|  Parsing time:         0.01         s                                       |
12.76/12.88	restarts              : 16
12.76/12.88	conflicts             : 129356         (10157 /sec)
12.76/12.88	decisions             : 322525         (1.97 % random) (25326 /sec)
12.76/12.88	propagations          : 4088236        (321022 /sec)
12.76/12.88	conflict literals     : 3349442        (23.20 % deleted)
12.76/12.88	Memory used           : 6.45 MB
12.76/12.88	CPU time              : 12.7351 s
12.76/12.88	
12.76/12.88	SATISFIABLE
12.76/12.89	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-1824918-1242473000/watcher-1824918-1242473000 -o /tmp/evaluation-result-1824918-1242473000/solver-1824918-1242473000 -C 5000 -W 6000 -M 1800 lysat.sh HOME/instance-1824918-1242473000.cnf c 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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 0.99 0.91 2/65 21447
/proc/meminfo: memFree=842744/2055920 swapFree=4179920/4192956
[pid=21447] ppid=21445 vsize=5356 CPUtime=0
/proc/21447/stat : 21447 (lysat.sh) S 21445 21447 21309 0 -1 4194304 286 0 0 0 0 0 0 0 20 0 1 0 275332670 5484544 235 1992294400 4194304 4889804 548682068816 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21447/statm: 1339 235 195 169 0 50 0
[pid=21448] ppid=21447 vsize=0 CPUtime=0
/proc/21448/stat : 21448 (lysat.sh) R 21447 21447 21309 0 -1 4194368 17 0 0 0 0 0 0 0 23 0 1 0 275332670 0 0 1992294400 0 0 0 18446744073709551615 228774702375 0 0 4096 0 0 0 0 17 1 0 0
/proc/21448/statm: 136 1 0 0 0 6 0

[startup+0.104103 s]
/proc/loadavg: 1.00 0.99 0.91 2/65 21447
/proc/meminfo: memFree=842744/2055920 swapFree=4179920/4192956
[pid=21447] ppid=21445 vsize=5356 CPUtime=0
/proc/21447/stat : 21447 (lysat.sh) S 21445 21447 21309 0 -1 4194304 286 0 0 0 0 0 0 0 20 0 1 0 275332670 5484544 235 1992294400 4194304 4889804 548682068816 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21447/statm: 1339 235 195 169 0 50 0
[pid=21448] ppid=21447 vsize=2856 CPUtime=0.09
/proc/21448/stat : 21448 (SatElite) R 21447 21447 21309 0 -1 4194304 626 0 0 0 9 0 0 0 23 0 1 0 275332670 2924544 599 1992294400 134512640 135034092 4294956112 18446744073709551615 134691101 0 0 4096 3 0 0 0 17 1 0 0
/proc/21448/statm: 714 599 69 127 0 584 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8212

[startup+0.202121 s]
/proc/loadavg: 1.00 0.99 0.91 2/65 21447
/proc/meminfo: memFree=842744/2055920 swapFree=4179920/4192956
[pid=21447] ppid=21445 vsize=5356 CPUtime=0.12
/proc/21447/stat : 21447 (lysat.sh) S 21445 21447 21309 0 -1 4194304 310 629 0 0 0 0 12 0 15 0 1 0 275332670 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21447/statm: 1339 237 195 169 0 50 0
Current children cumulated CPU time (s) 0.12
Current children cumulated vsize (KiB) 5356

[startup+0.302128 s]
/proc/loadavg: 1.00 0.99 0.91 2/65 21447
/proc/meminfo: memFree=842744/2055920 swapFree=4179920/4192956
[pid=21447] ppid=21445 vsize=5356 CPUtime=0.12
/proc/21447/stat : 21447 (lysat.sh) S 21445 21447 21309 0 -1 4194304 310 629 0 0 0 0 12 0 15 0 1 0 275332670 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21447/statm: 1339 237 195 169 0 50 0
Current children cumulated CPU time (s) 0.12
Current children cumulated vsize (KiB) 5356

[startup+0.702177 s]
/proc/loadavg: 1.00 0.99 0.91 2/65 21447
/proc/meminfo: memFree=842744/2055920 swapFree=4179920/4192956
[pid=21447] ppid=21445 vsize=5356 CPUtime=0.12
/proc/21447/stat : 21447 (lysat.sh) S 21445 21447 21309 0 -1 4194304 310 629 0 0 0 0 12 0 15 0 1 0 275332670 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21447/statm: 1339 237 195 169 0 50 0
Current children cumulated CPU time (s) 0.12
Current children cumulated vsize (KiB) 5356

[startup+1.50126 s]
/proc/loadavg: 1.00 0.99 0.91 2/67 21450
/proc/meminfo: memFree=838632/2055920 swapFree=4179920/4192956
[pid=21447] ppid=21445 vsize=5356 CPUtime=0.12
/proc/21447/stat : 21447 (lysat.sh) S 21445 21447 21309 0 -1 4194304 310 629 0 0 0 0 12 0 15 0 1 0 275332670 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21447/statm: 1339 237 195 169 0 50 0
[pid=21450] ppid=21447 vsize=4688 CPUtime=1.35
/proc/21450/stat : 21450 (LySATc) R 21447 21447 21309 0 -1 4194304 952 0 0 0 135 0 0 0 25 0 1 0 275332683 4800512 937 1992294400 134512640 135214827 4294956224 18446744073709551615 134720950 0 0 4096 3 0 0 0 17 1 0 0
/proc/21450/statm: 1172 937 78 171 0 999 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 10044

[startup+3.10145 s]
/proc/loadavg: 1.00 0.99 0.91 2/67 21450
/proc/meminfo: memFree=838120/2055920 swapFree=4179920/4192956
[pid=21447] ppid=21445 vsize=5356 CPUtime=0.12
/proc/21447/stat : 21447 (lysat.sh) S 21445 21447 21309 0 -1 4194304 310 629 0 0 0 0 12 0 15 0 1 0 275332670 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21447/statm: 1339 237 195 169 0 50 0
[pid=21450] ppid=21447 vsize=5348 CPUtime=2.95
/proc/21450/stat : 21450 (LySATc) R 21447 21447 21309 0 -1 4194304 1106 0 0 0 295 0 0 0 25 0 1 0 275332683 5476352 1091 1992294400 134512640 135214827 4294956224 18446744073709551615 134536461 0 0 4096 3 0 0 0 17 1 0 0
/proc/21450/statm: 1337 1091 78 171 0 1164 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 10704

[startup+6.30182 s]
/proc/loadavg: 1.00 0.99 0.91 2/67 21450
/proc/meminfo: memFree=837096/2055920 swapFree=4179920/4192956
[pid=21447] ppid=21445 vsize=5356 CPUtime=0.12
/proc/21447/stat : 21447 (lysat.sh) S 21445 21447 21309 0 -1 4194304 310 629 0 0 0 0 12 0 15 0 1 0 275332670 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21447/statm: 1339 237 195 169 0 50 0
[pid=21450] ppid=21447 vsize=5744 CPUtime=6.15
/proc/21450/stat : 21450 (LySATc) R 21447 21447 21309 0 -1 4194304 1202 0 0 0 615 0 0 0 25 0 1 0 275332683 5881856 1187 1992294400 134512640 135214827 4294956224 18446744073709551615 134529729 0 0 4096 3 0 0 0 17 1 0 0
/proc/21450/statm: 1436 1187 78 171 0 1263 0
Current children cumulated CPU time (s) 6.27
Current children cumulated vsize (KiB) 11100

[startup+12.7016 s]
/proc/loadavg: 1.00 0.99 0.91 2/67 21450
/proc/meminfo: memFree=836456/2055920 swapFree=4179920/4192956
[pid=21447] ppid=21445 vsize=5356 CPUtime=0.12
/proc/21447/stat : 21447 (lysat.sh) S 21445 21447 21309 0 -1 4194304 310 629 0 0 0 0 12 0 15 0 1 0 275332670 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21447/statm: 1339 237 195 169 0 50 0
[pid=21450] ppid=21447 vsize=6464 CPUtime=12.54
/proc/21450/stat : 21450 (LySATc) R 21447 21447 21309 0 -1 4194304 1374 0 0 0 1254 0 0 0 25 0 1 0 275332683 6619136 1359 1992294400 134512640 135214827 4294956224 18446744073709551615 134537076 0 0 4096 3 0 0 0 17 1 0 0
/proc/21450/statm: 1616 1359 78 171 0 1443 0
Current children cumulated CPU time (s) 12.66
Current children cumulated vsize (KiB) 11820

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

[startup+12.8016 s]
/proc/loadavg: 1.00 0.99 0.91 2/67 21450
/proc/meminfo: memFree=836456/2055920 swapFree=4179920/4192956
[pid=21447] ppid=21445 vsize=5356 CPUtime=0.12
/proc/21447/stat : 21447 (lysat.sh) S 21445 21447 21309 0 -1 4194304 310 629 0 0 0 0 12 0 15 0 1 0 275332670 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 228774699844 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/21447/statm: 1339 237 195 169 0 50 0
[pid=21450] ppid=21447 vsize=6464 CPUtime=12.64
/proc/21450/stat : 21450 (LySATc) R 21447 21447 21309 0 -1 4194304 1387 0 0 0 1264 0 0 0 25 0 1 0 275332683 6619136 1372 1992294400 134512640 135214827 4294956224 18446744073709551615 134529397 0 0 4096 3 0 0 0 17 1 0 0
/proc/21450/statm: 1616 1372 78 171 0 1443 0
Current children cumulated CPU time (s) 12.76
Current children cumulated vsize (KiB) 11820

Child status: 10
Real time (s): 12.8948
CPU time (s): 12.883
CPU user time (s): 12.861
CPU system time (s): 0.021996
CPU usage (%): 99.9084
Max. virtual memory (cumulated for all children) (KiB): 11820

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 12.861
system time used= 0.021996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2583
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= 11
involuntary context switches= 57

runsolver used 0.010998 second user time and 0.045993 second system time

The end

Launcher Data

Begin job on node74 at 2009-05-16 13:23:20
IDJOB=1824918
IDBENCH=24594
IDSOLVER=667
FILE ID=node74/1824918-1242473000
PBS_JOBID= 9306765
Free space on /tmp= 102864 MiB

SOLVER NAME= LySAT c/2009-03-20
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= lysat.sh BENCHNAME c
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1824918-1242473000/watcher-1824918-1242473000 -o /tmp/evaluation-result-1824918-1242473000/solver-1824918-1242473000 -C 5000 -W 6000 -M 1800  lysat.sh HOME/instance-1824918-1242473000.cnf c

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 51245c7b8edb32c4dbd94daf982c00d7
RANDOM SEED=159257443

node74.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		: 3000.233
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		: 3000.233
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:        843160 kB
Buffers:         91168 kB
Cached:        1026012 kB
SwapCached:       6180 kB
Active:         302452 kB
Inactive:       823420 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        843160 kB
SwapTotal:     4192956 kB
SwapFree:      4179920 kB
Dirty:            2756 kB
Writeback:           0 kB
Mapped:          14364 kB
Slab:            72716 kB
Committed_AS:  1019496 kB
PageTables:       1444 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= 102860 MiB
End job on node74 at 2009-05-16 13:23:33