Trace number 1561791

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 13.362 13.4376

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 benchmark2.5996
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 ==============================================================================
0.00/0.05	c |         0 |   62900   155908 |   18869       0        0     nan |  0.000 % |
0.00/0.28	c |         0 |   62900   155948 |      --       0       --      -- |     --   | 0/40
0.00/0.28	c ==============================================================================
0.00/0.28	c Result  :   #vars: 2416   #clauses: 62900   #literals: 155948
0.00/0.28	c CPU time:   0.267959 s
0.00/0.28	c ==============================================================================
0.00/0.34	This is MiniSat 2.0 beta
0.00/0.34	WARNING: for repeatability, setting FPU to use double precision
0.00/0.34	============================[ Problem Statistics ]=============================
0.00/0.34	|                                                                             |
0.00/0.34	|  Number of variables:  2416                                                 |
0.00/0.34	|  Number of clauses:    62900                                                |
0.00/0.37	|  Parsing time:         0.03         s                                       |
13.30/13.42	restarts              : 14
13.30/13.42	conflicts             : 49841          (3843 /sec)
13.30/13.42	decisions             : 277683         (1.35 % random) (21411 /sec)
13.30/13.42	propagations          : 4800281        (370134 /sec)
13.30/13.42	conflict literals     : 6593040        (11.78 % deleted)
13.30/13.42	Memory used           : 32.48 MB
13.30/13.42	CPU time              : 12.969 s
13.30/13.42	
13.30/13.42	SATISFIABLE
13.30/13.43	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-1561791-1238768846/watcher-1561791-1238768846 -o /tmp/evaluation-result-1561791-1238768846/solver-1561791-1238768846 -C 1200 -W 1800 -M 1800 --output-limit 1,15 lysat.sh HOME/instance-1561791-1238768846.cnf c 

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: 2.66 2.85 2.55 4/86 6211
/proc/meminfo: memFree=1792592/2055924 swapFree=4179644/4192956
[pid=6211] ppid=6209 vsize=872 CPUtime=0
/proc/6211/stat : 6211 (lysat.sh) R 6209 6211 4931 0 -1 4194304 25 0 0 0 0 0 0 0 20 0 1 0 503215082 892928 9 1992294400 4194304 4889804 548682068800 18446744073709551615 230264201632 0 0 4096 0 0 0 0 17 1 0 0
/proc/6211/statm: 218 9 4 169 0 6 0

[startup+0.0155589 s]
/proc/loadavg: 2.66 2.85 2.55 4/86 6211
/proc/meminfo: memFree=1792592/2055924 swapFree=4179644/4192956
[pid=6211] ppid=6209 vsize=5356 CPUtime=0
/proc/6211/stat : 6211 (lysat.sh) S 6209 6211 4931 0 -1 4194304 286 0 0 0 0 0 0 0 20 0 1 0 503215082 5484544 235 1992294400 4194304 4889804 548682068800 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/6211/statm: 1339 235 195 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.101574 s]
/proc/loadavg: 2.66 2.85 2.55 4/86 6211
/proc/meminfo: memFree=1792592/2055924 swapFree=4179644/4192956
[pid=6211] ppid=6209 vsize=5356 CPUtime=0
/proc/6211/stat : 6211 (lysat.sh) S 6209 6211 4931 0 -1 4194304 286 0 0 0 0 0 0 0 20 0 1 0 503215082 5484544 235 1992294400 4194304 4889804 548682068800 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/6211/statm: 1339 235 195 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.30161 s]
/proc/loadavg: 2.66 2.85 2.55 4/86 6211
/proc/meminfo: memFree=1792592/2055924 swapFree=4179644/4192956
[pid=6211] ppid=6209 vsize=5356 CPUtime=0
/proc/6211/stat : 6211 (lysat.sh) S 6209 6211 4931 0 -1 4194304 286 0 0 0 0 0 0 0 20 0 1 0 503215082 5484544 235 1992294400 4194304 4889804 548682068800 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/6211/statm: 1339 235 195 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.701694 s]
/proc/loadavg: 2.66 2.85 2.55 4/86 6211
/proc/meminfo: memFree=1792592/2055924 swapFree=4179644/4192956
[pid=6211] ppid=6209 vsize=5356 CPUtime=0.32
/proc/6211/stat : 6211 (lysat.sh) S 6209 6211 4931 0 -1 4194304 310 1112 0 0 0 0 32 0 15 0 1 0 503215082 5484544 237 1992294400 4194304 4889804 548682068800 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/6211/statm: 1339 237 195 169 0 50 0
Current children cumulated CPU time (s) 0.32
Current children cumulated vsize (KiB) 5356

[startup+1.50184 s]
/proc/loadavg: 2.60 2.83 2.55 3/88 6214
/proc/meminfo: memFree=1785152/2055924 swapFree=4179644/4192956
[pid=6211] ppid=6209 vsize=5356 CPUtime=0.32
/proc/6211/stat : 6211 (lysat.sh) S 6209 6211 4931 0 -1 4194304 310 1112 0 0 0 0 32 0 15 0 1 0 503215082 5484544 237 1992294400 4194304 4889804 548682068800 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/6211/statm: 1339 237 195 169 0 50 0
[pid=6214] ppid=6211 vsize=8648 CPUtime=1.14
/proc/6214/stat : 6214 (LySATc) R 6211 6211 4931 0 -1 4194304 2024 0 0 0 113 1 0 0 25 0 1 0 503215116 8855552 2009 1992294400 134512640 135214827 4294956208 18446744073709551615 134529397 0 0 4096 3 0 0 0 17 0 0 0
/proc/6214/statm: 2162 2009 78 171 0 1989 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 14004

[startup+3.10114 s]
/proc/loadavg: 2.60 2.83 2.55 3/88 6214
/proc/meminfo: memFree=1781632/2055924 swapFree=4179644/4192956
[pid=6211] ppid=6209 vsize=5356 CPUtime=0.32
/proc/6211/stat : 6211 (lysat.sh) S 6209 6211 4931 0 -1 4194304 310 1112 0 0 0 0 32 0 15 0 1 0 503215082 5484544 237 1992294400 4194304 4889804 548682068800 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/6211/statm: 1339 237 195 169 0 50 0
[pid=6214] ppid=6211 vsize=13876 CPUtime=2.74
/proc/6214/stat : 6214 (LySATc) R 6211 6211 4931 0 -1 4194304 3315 0 0 0 272 2 0 0 25 0 1 0 503215116 14209024 3300 1992294400 134512640 135214827 4294956208 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 0 0 0
/proc/6214/statm: 3469 3300 78 171 0 3296 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 19232

[startup+6.30172 s]
/proc/loadavg: 2.72 2.85 2.56 3/88 6214
/proc/meminfo: memFree=1771520/2055924 swapFree=4179644/4192956
[pid=6211] ppid=6209 vsize=5356 CPUtime=0.32
/proc/6211/stat : 6211 (lysat.sh) S 6209 6211 4931 0 -1 4194304 310 1112 0 0 0 0 32 0 15 0 1 0 503215082 5484544 237 1992294400 4194304 4889804 548682068800 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/6211/statm: 1339 237 195 169 0 50 0
[pid=6214] ppid=6211 vsize=21960 CPUtime=5.91
/proc/6214/stat : 6214 (LySATc) R 6211 6211 4931 0 -1 4194304 5327 0 0 0 589 2 0 0 25 0 1 0 503215116 22487040 5312 1992294400 134512640 135214827 4294956208 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 0 0 0
/proc/6214/statm: 5490 5312 78 171 0 5317 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 27316

[startup+12.7029 s]
/proc/loadavg: 2.82 2.87 2.57 3/88 6214
/proc/meminfo: memFree=1760840/2055924 swapFree=4179644/4192956
[pid=6211] ppid=6209 vsize=5356 CPUtime=0.32
/proc/6211/stat : 6211 (lysat.sh) S 6209 6211 4931 0 -1 4194304 310 1112 0 0 0 0 32 0 15 0 1 0 503215082 5484544 237 1992294400 4194304 4889804 548682068800 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/6211/statm: 1339 237 195 169 0 50 0
[pid=6214] ppid=6211 vsize=32336 CPUtime=12.29
/proc/6214/stat : 6214 (LySATc) R 6211 6211 4931 0 -1 4194304 7925 0 0 0 1225 4 0 0 25 0 1 0 503215116 33112064 7910 1992294400 134512640 135214827 4294956208 18446744073709551615 134538580 0 0 4096 3 0 0 0 17 0 0 0
/proc/6214/statm: 8084 7910 78 171 0 7911 0
Current children cumulated CPU time (s) 12.61
Current children cumulated vsize (KiB) 37692

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

[startup+13.103 s]
/proc/loadavg: 2.82 2.87 2.57 3/88 6214
/proc/meminfo: memFree=1758984/2055924 swapFree=4179644/4192956
[pid=6211] ppid=6209 vsize=5356 CPUtime=0.32
/proc/6211/stat : 6211 (lysat.sh) S 6209 6211 4931 0 -1 4194304 310 1112 0 0 0 0 32 0 15 0 1 0 503215082 5484544 237 1992294400 4194304 4889804 548682068800 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/6211/statm: 1339 237 195 169 0 50 0
[pid=6214] ppid=6211 vsize=32864 CPUtime=12.69
/proc/6214/stat : 6214 (LySATc) R 6211 6211 4931 0 -1 4194304 8052 0 0 0 1265 4 0 0 25 0 1 0 503215116 33652736 8037 1992294400 134512640 135214827 4294956208 18446744073709551615 134538573 0 0 4096 3 0 0 0 17 0 0 0
/proc/6214/statm: 8216 8037 78 171 0 8043 0
Current children cumulated CPU time (s) 13.01
Current children cumulated vsize (KiB) 38220

[startup+13.302 s]
/proc/loadavg: 2.82 2.87 2.57 3/88 6214
/proc/meminfo: memFree=1758984/2055924 swapFree=4179644/4192956
[pid=6211] ppid=6209 vsize=5356 CPUtime=0.32
/proc/6211/stat : 6211 (lysat.sh) S 6209 6211 4931 0 -1 4194304 310 1112 0 0 0 0 32 0 15 0 1 0 503215082 5484544 237 1992294400 4194304 4889804 548682068800 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/6211/statm: 1339 237 195 169 0 50 0
[pid=6214] ppid=6211 vsize=33128 CPUtime=12.88
/proc/6214/stat : 6214 (LySATc) R 6211 6211 4931 0 -1 4194304 8111 0 0 0 1284 4 0 0 25 0 1 0 503215116 33923072 8096 1992294400 134512640 135214827 4294956208 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 0 0 0
/proc/6214/statm: 8282 8096 78 171 0 8109 0
Current children cumulated CPU time (s) 13.2
Current children cumulated vsize (KiB) 38484

[startup+13.401 s]
/proc/loadavg: 2.82 2.87 2.57 3/88 6214
/proc/meminfo: memFree=1758984/2055924 swapFree=4179644/4192956
[pid=6211] ppid=6209 vsize=5356 CPUtime=0.32
/proc/6211/stat : 6211 (lysat.sh) S 6209 6211 4931 0 -1 4194304 310 1112 0 0 0 0 32 0 15 0 1 0 503215082 5484544 237 1992294400 4194304 4889804 548682068800 18446744073709551615 230266823492 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/6211/statm: 1339 237 195 169 0 50 0
[pid=6214] ppid=6211 vsize=33260 CPUtime=12.98
/proc/6214/stat : 6214 (LySATc) R 6211 6211 4931 0 -1 4194304 8153 0 0 0 1294 4 0 0 25 0 1 0 503215116 34058240 8138 1992294400 134512640 135214827 4294956208 18446744073709551615 134529488 0 0 4096 3 0 0 0 17 0 0 0
/proc/6214/statm: 8315 8138 78 171 0 8142 0
Current children cumulated CPU time (s) 13.3
Current children cumulated vsize (KiB) 38616

Child status: 10
Real time (s): 13.4376
CPU time (s): 13.362
CPU user time (s): 13.299
CPU system time (s): 0.06299
CPU usage (%): 99.4375
Max. virtual memory (cumulated for all children) (KiB): 38616

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.299
system time used= 0.06299
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9828
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= 211

runsolver used 0.020996 second user time and 0.055991 second system time

The end

Launcher Data 

Begin job on node83 at 2009-04-03 16:27:26
IDJOB=1561791
IDBENCH=70922
IDSOLVER=512
FILE ID=node83/1561791-1238768846
PBS_JOBID= 9085484
Free space on /tmp= 66560 MiB

SOLVER NAME= LySAT c/2009-03-20
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= lysat.sh BENCHNAME c
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561791-1238768846/watcher-1561791-1238768846 -o /tmp/evaluation-result-1561791-1238768846/solver-1561791-1238768846 -C 1200 -W 1800 -M 1800 --output-limit 1,15  lysat.sh HOME/instance-1561791-1238768846.cnf c

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

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=1232153280

node83.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		: 3000.268
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		: 3000.268
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:      2055924 kB
MemFree:       1793008 kB
Buffers:         58424 kB
Cached:         112904 kB
SwapCached:       7580 kB
Active:          41412 kB
Inactive:       148532 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1793008 kB
SwapTotal:     4192956 kB
SwapFree:      4179644 kB
Dirty:            3116 kB
Writeback:           0 kB
Mapped:          26068 kB
Slab:            56956 kB
Committed_AS:  1292716 kB
PageTables:       2688 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= 66556 MiB
End job on node83 at 2009-04-03 16:27:40