Trace number 1825256

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 13.8009 13.8116

General information on the benchmark

NameCRAFTED/
edgematching/all/em_8_4_5_all.cnf
MD5SUMbcbe82a00b39f246e1dc1a85b2c8371e
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark3.00354
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses62900
Sum of the clauses size155908
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243724
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 Parsing...
0.00/0.04	c ==============================================================================
0.00/0.04	c |           |     ORIGINAL     |              LEARNT              |          |
0.00/0.04	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.00/0.04	c ==============================================================================
0.00/0.04	c |         0 |   62900   155908 |   18869       0        0     nan |  0.000 % |
0.00/0.29	c |         0 |   62900   155948 |      --       0       --      -- |     --   | 0/40
0.00/0.29	c ==============================================================================
0.00/0.29	c Result  :   #vars: 2416   #clauses: 62900   #literals: 155948
0.00/0.29	c CPU time:   0.284956 s
0.00/0.29	c ==============================================================================
0.00/0.35	This is MiniSat 2.0 beta
0.00/0.35	WARNING: for repeatability, setting FPU to use double precision
0.00/0.35	============================[ Problem Statistics ]=============================
0.00/0.35	|                                                                             |
0.00/0.36	|  Number of variables:  2416                                                 |
0.00/0.36	|  Number of clauses:    62900                                                |
0.00/0.38	|  Parsing time:         0.02         s                                       |
13.66/13.79	restarts              : 14
13.66/13.79	conflicts             : 49841          (3723 /sec)
13.66/13.79	decisions             : 277683         (1.35 % random) (20741 /sec)
13.66/13.79	propagations          : 4800281        (358552 /sec)
13.66/13.79	conflict literals     : 6593040        (11.78 % deleted)
13.66/13.79	Memory used           : 32.48 MB
13.66/13.79	CPU time              : 13.388 s
13.66/13.79	
13.66/13.80	SATISFIABLE
13.76/13.81	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-1825256-1242492570/watcher-1825256-1242492570 -o /tmp/evaluation-result-1825256-1242492570/solver-1825256-1242492570 -C 5000 -W 6000 -M 1800 lysat.sh HOME/instance-1825256-1242492570.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 3/64 31930
/proc/meminfo: memFree=1588576/2055920 swapFree=4181084/4192956
[pid=31930] ppid=31928 vsize=5356 CPUtime=0
/proc/31930/stat : 31930 (lysat.sh) R 31928 31930 31845 0 -1 4194304 195 0 0 0 0 0 0 0 20 0 1 0 277284456 5484544 162 1992294400 4194304 4889804 548682068816 18446744073709551615 4542874 0 0 4096 0 0 0 0 17 1 0 0
/proc/31930/statm: 1339 171 141 169 0 50 0

[startup+0.056125 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 31930
/proc/meminfo: memFree=1588576/2055920 swapFree=4181084/4192956
[pid=31930] ppid=31928 vsize=5356 CPUtime=0
/proc/31930/stat : 31930 (lysat.sh) S 31928 31930 31845 0 -1 4194304 286 0 0 0 0 0 0 0 20 0 1 0 277284456 5484544 235 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31930/statm: 1339 235 195 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.101128 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 31930
/proc/meminfo: memFree=1588576/2055920 swapFree=4181084/4192956
[pid=31930] ppid=31928 vsize=5356 CPUtime=0
/proc/31930/stat : 31930 (lysat.sh) S 31928 31930 31845 0 -1 4194304 286 0 0 0 0 0 0 0 20 0 1 0 277284456 5484544 235 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31930/statm: 1339 235 195 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.301141 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 31930
/proc/meminfo: memFree=1588576/2055920 swapFree=4181084/4192956
[pid=31930] ppid=31928 vsize=5356 CPUtime=0
/proc/31930/stat : 31930 (lysat.sh) S 31928 31930 31845 0 -1 4194304 286 0 0 0 0 0 0 0 20 0 1 0 277284456 5484544 235 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31930/statm: 1339 235 195 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.701178 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 31930
/proc/meminfo: memFree=1588576/2055920 swapFree=4181084/4192956
[pid=31930] ppid=31928 vsize=5356 CPUtime=0.34
/proc/31930/stat : 31930 (lysat.sh) S 31928 31930 31845 0 -1 4194304 310 1112 0 0 0 0 34 0 18 0 1 0 277284456 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31930/statm: 1339 237 195 169 0 50 0
Current children cumulated CPU time (s) 0.34
Current children cumulated vsize (KiB) 5356

[startup+1.50122 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31933
/proc/meminfo: memFree=1581264/2055920 swapFree=4181084/4192956
[pid=31930] ppid=31928 vsize=5356 CPUtime=0.34
/proc/31930/stat : 31930 (lysat.sh) S 31928 31930 31845 0 -1 4194304 310 1112 0 0 0 0 34 0 18 0 1 0 277284456 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31930/statm: 1339 237 195 169 0 50 0
[pid=31933] ppid=31930 vsize=8516 CPUtime=1.13
/proc/31933/stat : 31933 (LySATc) R 31930 31930 31845 0 -1 4194304 1974 0 0 0 112 1 0 0 25 0 1 0 277284492 8720384 1959 1992294400 134512640 135214827 4294956224 18446744073709551615 134720950 0 0 4096 3 0 0 0 17 1 0 0
/proc/31933/statm: 2129 1959 78 171 0 1956 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 13872

[startup+3.10133 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31933
/proc/meminfo: memFree=1577872/2055920 swapFree=4181084/4192956
[pid=31930] ppid=31928 vsize=5356 CPUtime=0.34
/proc/31930/stat : 31930 (lysat.sh) S 31928 31930 31845 0 -1 4194304 310 1112 0 0 0 0 34 0 18 0 1 0 277284456 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31930/statm: 1339 237 195 169 0 50 0
[pid=31933] ppid=31930 vsize=13480 CPUtime=2.72
/proc/31933/stat : 31933 (LySATc) R 31930 31930 31845 0 -1 4194304 3223 0 0 0 271 1 0 0 25 0 1 0 277284492 13803520 3208 1992294400 134512640 135214827 4294956224 18446744073709551615 134720950 0 0 4096 3 0 0 0 17 1 0 0
/proc/31933/statm: 3370 3208 78 171 0 3197 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 18836

[startup+6.30155 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31933
/proc/meminfo: memFree=1568016/2055920 swapFree=4181084/4192956
[pid=31930] ppid=31928 vsize=5356 CPUtime=0.34
/proc/31930/stat : 31930 (lysat.sh) S 31928 31930 31845 0 -1 4194304 310 1112 0 0 0 0 34 0 18 0 1 0 277284456 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31930/statm: 1339 237 195 169 0 50 0
[pid=31933] ppid=31930 vsize=21696 CPUtime=5.93
/proc/31933/stat : 31933 (LySATc) R 31930 31930 31845 0 -1 4194304 5264 0 0 0 591 2 0 0 25 0 1 0 277284492 22216704 5249 1992294400 134512640 135214827 4294956224 18446744073709551615 134529497 0 0 4096 3 0 0 0 17 1 0 0
/proc/31933/statm: 5424 5249 78 171 0 5251 0
Current children cumulated CPU time (s) 6.27
Current children cumulated vsize (KiB) 27052

[startup+12.702 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31933
/proc/meminfo: memFree=1557648/2055920 swapFree=4181084/4192956
[pid=31930] ppid=31928 vsize=5356 CPUtime=0.34
/proc/31930/stat : 31930 (lysat.sh) S 31928 31930 31845 0 -1 4194304 310 1112 0 0 0 0 34 0 18 0 1 0 277284456 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31930/statm: 1339 237 195 169 0 50 0
[pid=31933] ppid=31930 vsize=31676 CPUtime=12.33
/proc/31933/stat : 31933 (LySATc) R 31930 31930 31845 0 -1 4194304 7757 0 0 0 1229 4 0 0 25 0 1 0 277284492 32436224 7742 1992294400 134512640 135214827 4294956224 18446744073709551615 134720950 0 0 4096 3 0 0 0 17 1 0 0
/proc/31933/statm: 7919 7742 78 171 0 7746 0
Current children cumulated CPU time (s) 12.67
Current children cumulated vsize (KiB) 37032

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

[startup+13.501 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31933
/proc/meminfo: memFree=1555536/2055920 swapFree=4181084/4192956
[pid=31930] ppid=31928 vsize=5356 CPUtime=0.34
/proc/31930/stat : 31930 (lysat.sh) S 31928 31930 31845 0 -1 4194304 310 1112 0 0 0 0 34 0 18 0 1 0 277284456 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31930/statm: 1339 237 195 169 0 50 0
[pid=31933] ppid=31930 vsize=32864 CPUtime=13.13
/proc/31933/stat : 31933 (LySATc) R 31930 31930 31845 0 -1 4194304 8058 0 0 0 1309 4 0 0 25 0 1 0 277284492 33652736 8043 1992294400 134512640 135214827 4294956224 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 1 0 0
/proc/31933/statm: 8216 8043 78 171 0 8043 0
Current children cumulated CPU time (s) 13.47
Current children cumulated vsize (KiB) 38220

[startup+13.701 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31933
/proc/meminfo: memFree=1555536/2055920 swapFree=4181084/4192956
[pid=31930] ppid=31928 vsize=5356 CPUtime=0.34
/proc/31930/stat : 31930 (lysat.sh) S 31928 31930 31845 0 -1 4194304 310 1112 0 0 0 0 34 0 18 0 1 0 277284456 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31930/statm: 1339 237 195 169 0 50 0
[pid=31933] ppid=31930 vsize=33128 CPUtime=13.32
/proc/31933/stat : 31933 (LySATc) R 31930 31930 31845 0 -1 4194304 8121 0 0 0 1328 4 0 0 25 0 1 0 277284492 33923072 8106 1992294400 134512640 135214827 4294956224 18446744073709551615 134529437 0 0 4096 3 0 0 0 17 1 0 0
/proc/31933/statm: 8282 8106 78 171 0 8109 0
Current children cumulated CPU time (s) 13.66
Current children cumulated vsize (KiB) 38484

[startup+13.801 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 31933
/proc/meminfo: memFree=1555536/2055920 swapFree=4181084/4192956
[pid=31930] ppid=31928 vsize=5356 CPUtime=0.34
/proc/31930/stat : 31930 (lysat.sh) S 31928 31930 31845 0 -1 4194304 310 1112 0 0 0 0 34 0 18 0 1 0 277284456 5484544 237 1992294400 4194304 4889804 548682068816 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/31930/statm: 1339 237 195 169 0 50 0
[pid=31933] ppid=31930 vsize=0 CPUtime=13.42
/proc/31933/stat : 31933 (LySATc) R 31930 31930 31845 0 -1 4194308 8178 0 0 0 1338 4 0 0 25 0 1 0 277284492 0 0 1992294400 0 0 0 0 0 0 0 4096 3 0 0 0 17 1 0 0
/proc/31933/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 13.76
Current children cumulated vsize (KiB) 5356

Child status: 10
Real time (s): 13.8116
CPU time (s): 13.8009
CPU user time (s): 13.7349
CPU system time (s): 0.065989
CPU usage (%): 99.9227
Max. virtual memory (cumulated for all children) (KiB): 38484

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.7349
system time used= 0.065989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9827
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= 10
involuntary context switches= 49

runsolver used 0.018997 second user time and 0.038994 second system time

The end

Launcher Data

Begin job on node52 at 2009-05-16 18:49:30
IDJOB=1825256
IDBENCH=70922
IDSOLVER=667
FILE ID=node52/1825256-1242492570
PBS_JOBID= 9306877
Free space on /tmp= 66160 MiB

SOLVER NAME= LySAT c/2009-03-20
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= lysat.sh BENCHNAME c
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1825256-1242492570/watcher-1825256-1242492570 -o /tmp/evaluation-result-1825256-1242492570/solver-1825256-1242492570 -C 5000 -W 6000 -M 1800  lysat.sh HOME/instance-1825256-1242492570.cnf c

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

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=2111830566

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:       1588992 kB
Buffers:         73140 kB
Cached:         315216 kB
SwapCached:       5908 kB
Active:          32736 kB
Inactive:       363700 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1588992 kB
SwapTotal:     4192956 kB
SwapFree:      4181084 kB
Dirty:            3108 kB
Writeback:           0 kB
Mapped:          13820 kB
Slab:            56444 kB
Committed_AS:  1099964 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= 66156 MiB
End job on node52 at 2009-05-16 18:49:44