Trace number 1825261

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 13.475 13.4881

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_4_9_all.cnf
MD5SUMd78c1359306a87fe47f1b830ca255359
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark3.00954
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses40187
Sum of the clauses size98603
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 228680
Number of clauses of size 38650
Number of clauses of size 4832
Number of clauses of size 51875
Number of clauses of size over 5150

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 |   40187    98603 |   12056       0        0     nan |  0.000 % |
0.00/0.12	c |         0 |   40187    98643 |      --       0       --      -- |     --   | 0/40
0.00/0.12	c ==============================================================================
0.00/0.12	c Result  :   #vars: 1673   #clauses: 40187   #literals: 98643
0.00/0.12	c CPU time:   0.117982 s
0.00/0.12	c ==============================================================================
0.00/0.17	This is MiniSat 2.0 beta
0.00/0.17	WARNING: for repeatability, setting FPU to use double precision
0.00/0.17	============================[ Problem Statistics ]=============================
0.00/0.17	|                                                                             |
0.00/0.17	|  Number of variables:  1673                                                 |
0.00/0.17	|  Number of clauses:    40187                                                |
0.00/0.18	|  Parsing time:         0.02         s                                       |
13.36/13.48	restarts              : 14
13.36/13.48	conflicts             : 45013          (3394 /sec)
13.36/13.48	decisions             : 149832         (1.68 % random) (11297 /sec)
13.36/13.48	propagations          : 4832598        (364367 /sec)
13.36/13.48	conflict literals     : 2672013        (24.06 % deleted)
13.36/13.48	Memory used           : 16.00 MB
13.36/13.48	CPU time              : 13.263 s
13.36/13.48	
13.36/13.48	SATISFIABLE
13.36/13.48	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-1825261-1242492710/watcher-1825261-1242492710 -o /tmp/evaluation-result-1825261-1242492710/solver-1825261-1242492710 -C 5000 -W 6000 -M 1800 lysat.sh HOME/instance-1825261-1242492710.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 1.00 1.00 2/64 31990
/proc/meminfo: memFree=1587472/2055920 swapFree=4181084/4192956
[pid=31990] ppid=31988 vsize=18576 CPUtime=0
/proc/31990/stat : 31990 (runsolver) R 31988 31990 31845 0 -1 4194368 16 0 0 0 0 0 0 0 18 0 1 0 277298482 19021824 284 1992294400 4194304 4302564 548682068544 18446744073709551615 273653755175 0 0 4096 24578 0 0 0 17 0 0 0
/proc/31990/statm: 4644 284 249 26 0 2626 0

[startup+0.0213979 s]
/proc/loadavg: 1.00 1.00 1.00 2/64 31990
/proc/meminfo: memFree=1587472/2055920 swapFree=4181084/4192956
[pid=31990] ppid=31988 vsize=5356 CPUtime=0
/proc/31990/stat : 31990 (lysat.sh) S 31988 31990 31845 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 277298482 5484544 235 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/31990/statm: 1339 235 195 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.101402 s]
/proc/loadavg: 1.00 1.00 1.00 2/64 31990
/proc/meminfo: memFree=1587472/2055920 swapFree=4181084/4192956
[pid=31990] ppid=31988 vsize=5356 CPUtime=0
/proc/31990/stat : 31990 (lysat.sh) S 31988 31990 31845 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 277298482 5484544 235 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/31990/statm: 1339 235 195 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.301421 s]
/proc/loadavg: 1.00 1.00 1.00 2/64 31990
/proc/meminfo: memFree=1587472/2055920 swapFree=4181084/4192956
[pid=31990] ppid=31988 vsize=5356 CPUtime=0.15
/proc/31990/stat : 31990 (lysat.sh) S 31988 31990 31845 0 -1 4194304 310 742 0 0 0 0 15 0 16 0 1 0 277298482 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31990/statm: 1339 237 195 169 0 50 0
Current children cumulated CPU time (s) 0.15
Current children cumulated vsize (KiB) 5356

[startup+0.701449 s]
/proc/loadavg: 1.00 1.00 1.00 2/64 31990
/proc/meminfo: memFree=1587472/2055920 swapFree=4181084/4192956
[pid=31990] ppid=31988 vsize=5356 CPUtime=0.15
/proc/31990/stat : 31990 (lysat.sh) S 31988 31990 31845 0 -1 4194304 310 742 0 0 0 0 15 0 16 0 1 0 277298482 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31990/statm: 1339 237 195 169 0 50 0
Current children cumulated CPU time (s) 0.15
Current children cumulated vsize (KiB) 5356

[startup+1.5015 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31993
/proc/meminfo: memFree=1581760/2055920 swapFree=4181084/4192956
[pid=31990] ppid=31988 vsize=5356 CPUtime=0.15
/proc/31990/stat : 31990 (lysat.sh) S 31988 31990 31845 0 -1 4194304 310 742 0 0 0 0 15 0 16 0 1 0 277298482 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31990/statm: 1339 237 195 169 0 50 0
[pid=31993] ppid=31990 vsize=6888 CPUtime=1.31
/proc/31993/stat : 31993 (LySATc) R 31990 31990 31845 0 -1 4194304 1519 0 0 0 131 0 0 0 25 0 1 0 277298499 7053312 1504 1992294400 134512640 135214827 4294956224 18446744073709551615 134720950 0 0 4096 3 0 0 0 17 1 0 0
/proc/31993/statm: 1722 1504 78 171 0 1549 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 12244

[startup+3.1016 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31993
/proc/meminfo: memFree=1579904/2055920 swapFree=4181084/4192956
[pid=31990] ppid=31988 vsize=5356 CPUtime=0.15
/proc/31990/stat : 31990 (lysat.sh) S 31988 31990 31845 0 -1 4194304 310 742 0 0 0 0 15 0 16 0 1 0 277298482 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31990/statm: 1339 237 195 169 0 50 0
[pid=31993] ppid=31990 vsize=9008 CPUtime=2.92
/proc/31993/stat : 31993 (LySATc) R 31990 31990 31845 0 -1 4194304 2046 0 0 0 291 1 0 0 25 0 1 0 277298499 9224192 2031 1992294400 134512640 135214827 4294956224 18446744073709551615 134527645 0 0 4096 3 0 0 0 17 1 0 0
/proc/31993/statm: 2252 2031 78 171 0 2079 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 14364

[startup+6.30182 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31993
/proc/meminfo: memFree=1576128/2055920 swapFree=4181084/4192956
[pid=31990] ppid=31988 vsize=5356 CPUtime=0.15
/proc/31990/stat : 31990 (lysat.sh) S 31988 31990 31845 0 -1 4194304 310 742 0 0 0 0 15 0 16 0 1 0 277298482 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31990/statm: 1339 237 195 169 0 50 0
[pid=31993] ppid=31990 vsize=12212 CPUtime=6.11
/proc/31993/stat : 31993 (LySATc) R 31990 31990 31845 0 -1 4194304 2838 0 0 0 609 2 0 0 25 0 1 0 277298499 12505088 2823 1992294400 134512640 135214827 4294956224 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 1 0 0
/proc/31993/statm: 3053 2823 78 171 0 2880 0
Current children cumulated CPU time (s) 6.26
Current children cumulated vsize (KiB) 17568

[startup+12.7022 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31993
/proc/meminfo: memFree=1571776/2055920 swapFree=4181084/4192956
[pid=31990] ppid=31988 vsize=5356 CPUtime=0.15
/proc/31990/stat : 31990 (lysat.sh) S 31988 31990 31845 0 -1 4194304 310 742 0 0 0 0 15 0 16 0 1 0 277298482 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31990/statm: 1339 237 195 169 0 50 0
[pid=31993] ppid=31990 vsize=15988 CPUtime=12.51
/proc/31993/stat : 31993 (LySATc) R 31990 31990 31845 0 -1 4194304 3770 0 0 0 1248 3 0 0 25 0 1 0 277298499 16371712 3755 1992294400 134512640 135214827 4294956224 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 1 0 0
/proc/31993/statm: 3997 3755 78 171 0 3824 0
Current children cumulated CPU time (s) 12.66
Current children cumulated vsize (KiB) 21344

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

[startup+13.1013 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31993
/proc/meminfo: memFree=1571264/2055920 swapFree=4181084/4192956
[pid=31990] ppid=31988 vsize=5356 CPUtime=0.15
/proc/31990/stat : 31990 (lysat.sh) S 31988 31990 31845 0 -1 4194304 310 742 0 0 0 0 15 0 16 0 1 0 277298482 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31990/statm: 1339 237 195 169 0 50 0
[pid=31993] ppid=31990 vsize=16252 CPUtime=12.91
/proc/31993/stat : 31993 (LySATc) R 31990 31990 31845 0 -1 4194304 3822 0 0 0 1288 3 0 0 25 0 1 0 277298499 16642048 3807 1992294400 134512640 135214827 4294956224 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 1 0 0
/proc/31993/statm: 4063 3807 78 171 0 3890 0
Current children cumulated CPU time (s) 13.06
Current children cumulated vsize (KiB) 21608

[startup+13.3013 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31993
/proc/meminfo: memFree=1571264/2055920 swapFree=4181084/4192956
[pid=31990] ppid=31988 vsize=5356 CPUtime=0.15
/proc/31990/stat : 31990 (lysat.sh) S 31988 31990 31845 0 -1 4194304 310 742 0 0 0 0 15 0 16 0 1 0 277298482 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31990/statm: 1339 237 195 169 0 50 0
[pid=31993] ppid=31990 vsize=16252 CPUtime=13.11
/proc/31993/stat : 31993 (LySATc) R 31990 31990 31845 0 -1 4194304 3846 0 0 0 1308 3 0 0 25 0 1 0 277298499 16642048 3831 1992294400 134512640 135214827 4294956224 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 1 0 0
/proc/31993/statm: 4063 3831 78 171 0 3890 0
Current children cumulated CPU time (s) 13.26
Current children cumulated vsize (KiB) 21608

[startup+13.4013 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31993
/proc/meminfo: memFree=1571264/2055920 swapFree=4181084/4192956
[pid=31990] ppid=31988 vsize=5356 CPUtime=0.15
/proc/31990/stat : 31990 (lysat.sh) S 31988 31990 31845 0 -1 4194304 310 742 0 0 0 0 15 0 16 0 1 0 277298482 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31990/statm: 1339 237 195 169 0 50 0
[pid=31993] ppid=31990 vsize=16384 CPUtime=13.21
/proc/31993/stat : 31993 (LySATc) R 31990 31990 31845 0 -1 4194304 3862 0 0 0 1318 3 0 0 25 0 1 0 277298499 16777216 3847 1992294400 134512640 135214827 4294956224 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 1 0 0
/proc/31993/statm: 4096 3847 78 171 0 3923 0
Current children cumulated CPU time (s) 13.36
Current children cumulated vsize (KiB) 21740

Child status: 10
Real time (s): 13.4881
CPU time (s): 13.475
CPU user time (s): 13.422
CPU system time (s): 0.052991
CPU usage (%): 99.9023
Max. virtual memory (cumulated for all children) (KiB): 21740

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.422
system time used= 0.052991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5113
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= 61

runsolver used 0.013997 second user time and 0.039993 second system time

The end

Launcher Data 

Begin job on node52 at 2009-05-16 18:51:50
IDJOB=1825261
IDBENCH=70928
IDSOLVER=667
FILE ID=node52/1825261-1242492710
PBS_JOBID= 9306877
Free space on /tmp= 66160 MiB

SOLVER NAME= LySAT c/2009-03-20
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_7_4_9_all.cnf
COMMAND LINE= lysat.sh BENCHNAME c
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1825261-1242492710/watcher-1825261-1242492710 -o /tmp/evaluation-result-1825261-1242492710/solver-1825261-1242492710 -C 5000 -W 6000 -M 1800  lysat.sh HOME/instance-1825261-1242492710.cnf c

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

MD5SUM BENCH= d78c1359306a87fe47f1b830ca255359
RANDOM SEED=532148342

node52.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		: 3000.214
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		: 3000.214
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:       1588024 kB
Buffers:         73292 kB
Cached:         316220 kB
SwapCached:       5908 kB
Active:          34768 kB
Inactive:       362828 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1588024 kB
SwapTotal:     4192956 kB
SwapFree:      4181084 kB
Dirty:            2752 kB
Writeback:           0 kB
Mapped:          13820 kB
Slab:            56352 kB
Committed_AS:  1102152 kB
PageTables:       1476 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= 66160 MiB
End job on node52 at 2009-05-16 18:52:04