Trace number 1562000

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
ManySAT 1.1 aimd 0/2009-03-20SAT 3.9384 2.07199

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_3_6_all.cnf
MD5SUM3264a66e18d5550049c950d1156ee464
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.524919
Satisfiable
(Un)Satisfiability was proved
Number of variables1473
Number of clauses30387
Sum of the clauses size75224
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 221205
Number of clauses of size 37024
Number of clauses of size 4708
Number of clauses of size 51300
Number of clauses of size over 5150

Solver Data

0.00/0.00	c Parsing...
0.01/0.02	c ==============================================================================
0.01/0.02	c |           |     ORIGINAL     |              LEARNT              |          |
0.01/0.02	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.01/0.02	c ==============================================================================
0.01/0.02	c |         0 |   30387    75224 |    9116       0        0     nan |  0.000 % |
0.01/0.10	c |         0 |   30387    75272 |      --       0       --      -- |     --   | 0/48
0.01/0.10	c ==============================================================================
0.01/0.10	c Result  :   #vars: 1465   #clauses: 30387   #literals: 75272
0.01/0.10	c CPU time:   0.095985 s
0.01/0.10	c ==============================================================================
3.81/2.05	c This is ManySAT 1.1 : 2 thread(s) on 2 core(s).
3.81/2.05	c ============================[ Problem Statistics ]=============================
3.81/2.05	c |                                                                             |
3.81/2.05	c threadId              : 1
3.81/2.05	c restarts              : 236
3.81/2.05	c conflicts             : 17818          (4728 /sec)
3.81/2.05	c decisions             : 84181          (1.27 % random) (22338 /sec)
3.81/2.05	c propagations          : 1621509        (430288 /sec)
3.81/2.05	c conflict literals     : 856972         (15.86 % deleted)
3.81/2.05	c Memory used           : 23.23 MB
3.81/2.05	c CPU time              : 3.76843 s
3.81/2.05	
3.81/2.05	c --->m=2, e=8, aimd=0, HOME/26555_many.cnf	time: 1.88471	conflicts: 17818        
3.81/2.07	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-1562000-1238769929/watcher-1562000-1238769929 -o /tmp/evaluation-result-1562000-1238769929/solver-1562000-1238769929 -C 1200 -W 1800 -M 1800 --output-limit 1,15 manysat.sh HOME/instance-1562000-1238769929.cnf aimd 0 

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: 2.49 1.38 1.12 3/64 26555
/proc/meminfo: memFree=1969384/2055920 swapFree=4175328/4192956
[pid=26555] ppid=26553 vsize=5356 CPUtime=0
/proc/26555/stat : 26555 (manysat.sh) S 26553 26555 26430 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 1149654765 5484544 235 1992294400 4194304 4889804 548682068784 18446744073709551615 248761606980 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/26555/statm: 1339 235 195 169 0 50 0
[pid=26556] ppid=26555 vsize=956 CPUtime=0
/proc/26556/stat : 26556 (SatElite) R 26555 26555 26430 0 -1 4194304 152 0 0 0 0 0 0 0 19 0 1 0 1149654766 978944 136 1992294400 134512640 135034092 4294956096 18446744073709551615 134668783 0 0 4096 3 0 0 0 17 0 0 0
/proc/26556/statm: 239 138 51 127 0 109 0

[startup+0.018027 s]
/proc/loadavg: 2.49 1.38 1.12 3/64 26555
/proc/meminfo: memFree=1969384/2055920 swapFree=4175328/4192956
[pid=26555] ppid=26553 vsize=5356 CPUtime=0
/proc/26555/stat : 26555 (manysat.sh) S 26553 26555 26430 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 1149654765 5484544 235 1992294400 4194304 4889804 548682068784 18446744073709551615 248761606980 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/26555/statm: 1339 235 195 169 0 50 0
[pid=26556] ppid=26555 vsize=2048 CPUtime=0.01
/proc/26556/stat : 26556 (SatElite) R 26555 26555 26430 0 -1 4194304 421 0 0 0 1 0 0 0 19 0 1 0 1149654766 2097152 405 1992294400 134512640 135034092 4294956096 18446744073709551615 134691005 0 0 4096 3 0 0 0 17 0 0 0
/proc/26556/statm: 512 407 51 127 0 382 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 7404

[startup+0.101039 s]
/proc/loadavg: 2.49 1.38 1.12 3/64 26555
/proc/meminfo: memFree=1969384/2055920 swapFree=4175328/4192956
[pid=26555] ppid=26553 vsize=5356 CPUtime=0
/proc/26555/stat : 26555 (manysat.sh) S 26553 26555 26430 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 1149654765 5484544 235 1992294400 4194304 4889804 548682068784 18446744073709551615 248761606980 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/26555/statm: 1339 235 195 169 0 50 0
[pid=26556] ppid=26555 vsize=2728 CPUtime=0.09
/proc/26556/stat : 26556 (SatElite) R 26555 26555 26430 0 -1 4194304 598 0 0 0 9 0 0 0 19 0 1 0 1149654766 2793472 582 1992294400 134512640 135034092 4294956096 18446744073709551615 134661170 0 0 4096 3 0 0 0 17 0 0 0
/proc/26556/statm: 682 582 69 127 0 552 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8084

[startup+0.301079 s]
/proc/loadavg: 2.49 1.38 1.12 3/64 26555
/proc/meminfo: memFree=1969384/2055920 swapFree=4175328/4192956
[pid=26555] ppid=26553 vsize=5356 CPUtime=0.12
/proc/26555/stat : 26555 (manysat.sh) S 26553 26555 26430 0 -1 4194304 312 601 0 0 0 0 12 0 17 0 1 0 1149654765 5484544 238 1992294400 4194304 4889804 548682068784 18446744073709551615 248761606980 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/26555/statm: 1339 238 195 169 0 50 0
Current children cumulated CPU time (s) 0.12
Current children cumulated vsize (KiB) 5356

[startup+0.701149 s]
/proc/loadavg: 2.49 1.38 1.12 3/64 26555
/proc/meminfo: memFree=1969384/2055920 swapFree=4175328/4192956
[pid=26555] ppid=26553 vsize=5356 CPUtime=0.12
/proc/26555/stat : 26555 (manysat.sh) S 26553 26555 26430 0 -1 4194304 312 601 0 0 0 0 12 0 17 0 1 0 1149654765 5484544 238 1992294400 4194304 4889804 548682068784 18446744073709551615 248761606980 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/26555/statm: 1339 238 195 169 0 50 0
Current children cumulated CPU time (s) 0.12
Current children cumulated vsize (KiB) 5356

[startup+1.50229 s]
/proc/loadavg: 2.49 1.38 1.12 3/67 26559
/proc/meminfo: memFree=1959760/2055920 swapFree=4175328/4192956
[pid=26555] ppid=26553 vsize=5356 CPUtime=0.12
/proc/26555/stat : 26555 (manysat.sh) S 26553 26555 26430 0 -1 4194304 312 601 0 0 0 0 12 0 17 0 1 0 1149654765 5484544 238 1992294400 4194304 4889804 548682068784 18446744073709551615 248761606980 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/26555/statm: 1339 238 195 169 0 50 0
[pid=26558] ppid=26555 vsize=22440 CPUtime=2.69
/proc/26558/stat : 26558 (manysat1.1_stat) R 26555 26555 26430 0 -1 4194304 2666 0 0 0 267 2 0 0 16 0 2 0 1149654778 22978560 2650 1992294400 134512640 135305190 4294956144 18446744073709551615 134549153 0 0 4096 3 18446744073709551615 0 0 17 1 0 0
/proc/26558/statm: 5610 2650 83 193 0 5414 0
[pid=26558/tid=26559] ppid=26555 vsize=22440 CPUtime=1.32
/proc/26558/task/26559/stat : 26559 (manysat1.1_stat) R 26555 26555 26430 0 -1 4194368 733 0 0 0 132 0 0 0 17 0 2 0 1149654782 22978560 2650 1992294400 134512640 135305190 4294956144 18446744073709551615 134528418 0 0 4096 3 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 2.81
Current children cumulated vsize (KiB) 27796

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

[startup+1.90136 s]
/proc/loadavg: 2.49 1.38 1.12 3/67 26559
/proc/meminfo: memFree=1959760/2055920 swapFree=4175328/4192956
[pid=26555] ppid=26553 vsize=5356 CPUtime=0.12
/proc/26555/stat : 26555 (manysat.sh) S 26553 26555 26430 0 -1 4194304 312 601 0 0 0 0 12 0 17 0 1 0 1149654765 5484544 238 1992294400 4194304 4889804 548682068784 18446744073709551615 248761606980 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/26555/statm: 1339 238 195 169 0 50 0
[pid=26558] ppid=26555 vsize=23788 CPUtime=3.49
/proc/26558/stat : 26558 (manysat1.1_stat) R 26555 26555 26430 0 -1 4194304 3098 0 0 0 346 3 0 0 17 0 2 0 1149654778 24358912 3082 1992294400 134512640 135305190 4294956144 18446744073709551615 134528292 0 0 4096 3 18446744073709551615 0 0 17 1 0 0
/proc/26558/statm: 5947 3083 83 193 0 5751 0
[pid=26558/tid=26559] ppid=26555 vsize=23788 CPUtime=1.72
/proc/26558/task/26559/stat : 26559 (manysat1.1_stat) R 26555 26555 26430 0 -1 4194368 944 0 0 0 172 0 0 0 17 0 2 0 1149654782 24358912 3083 1992294400 134512640 135305190 4294956144 18446744073709551615 134563934 0 0 4096 3 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 3.61
Current children cumulated vsize (KiB) 29144

[startup+2.00137 s]
/proc/loadavg: 2.49 1.38 1.12 3/67 26559
/proc/meminfo: memFree=1959760/2055920 swapFree=4175328/4192956
[pid=26555] ppid=26553 vsize=5356 CPUtime=0.12
/proc/26555/stat : 26555 (manysat.sh) S 26553 26555 26430 0 -1 4194304 312 601 0 0 0 0 12 0 17 0 1 0 1149654765 5484544 238 1992294400 4194304 4889804 548682068784 18446744073709551615 248761606980 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/26555/statm: 1339 238 195 169 0 50 0
[pid=26558] ppid=26555 vsize=23788 CPUtime=3.69
/proc/26558/stat : 26558 (manysat1.1_stat) R 26555 26555 26430 0 -1 4194304 3104 0 0 0 366 3 0 0 17 0 2 0 1149654778 24358912 3088 1992294400 134512640 135305190 4294956144 18446744073709551615 134528229 0 0 4096 3 18446744073709551615 0 0 17 1 0 0
/proc/26558/statm: 5947 3088 83 193 0 5751 0
[pid=26558/tid=26559] ppid=26555 vsize=23788 CPUtime=1.82
/proc/26558/task/26559/stat : 26559 (manysat1.1_stat) R 26555 26555 26430 0 -1 4194368 944 0 0 0 182 0 0 0 17 0 2 0 1149654782 24358912 3088 1992294400 134512640 135305190 4294956144 18446744073709551615 134528283 0 0 4096 3 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 3.81
Current children cumulated vsize (KiB) 29144

Child status: 10
Real time (s): 2.07199
CPU time (s): 3.9384
CPU user time (s): 3.89541
CPU system time (s): 0.042993
CPU usage (%): 190.078
Max. virtual memory (cumulated for all children) (KiB): 29144

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.89541
system time used= 0.042993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4208
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= 291
involuntary context switches= 36

runsolver used 0.006998 second user time and 0.011998 second system time

The end

Launcher Data

Begin job on node55 at 2009-04-03 16:45:29
IDJOB=1562000
IDBENCH=70926
IDSOLVER=513
FILE ID=node55/1562000-1238769929
PBS_JOBID= 9085531
Free space on /tmp= 66536 MiB

SOLVER NAME= ManySAT 1.1 aimd 0/2009-03-20
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_7_3_6_all.cnf
COMMAND LINE= manysat.sh BENCHNAME aimd 0
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1562000-1238769929/watcher-1562000-1238769929 -o /tmp/evaluation-result-1562000-1238769929/solver-1562000-1238769929 -C 1200 -W 1800 -M 1800 --output-limit 1,15  manysat.sh HOME/instance-1562000-1238769929.cnf aimd 0

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 2

MD5SUM BENCH= 3264a66e18d5550049c950d1156ee464
RANDOM SEED=1058357850

node55.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		: 3000.259
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		: 3000.259
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:       1970696 kB
Buffers:          1804 kB
Cached:          15540 kB
SwapCached:      11692 kB
Active:          26804 kB
Inactive:         3844 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1970696 kB
SwapTotal:     4192956 kB
SwapFree:      4175328 kB
Dirty:            2300 kB
Writeback:           0 kB
Mapped:          18896 kB
Slab:            40668 kB
Committed_AS:  2929088 kB
PageTables:       1372 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= 66532 MiB
End job on node55 at 2009-04-03 16:45:31