Trace number 1725746

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
VARSAT-crafted 2009-03-22SAT 6.04008 6.04223

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
MD5SUM50ea7ab54b71dd15b01cd5fd293d58eb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.76073
Satisfiable
(Un)Satisfiability was proved
Number of variables2765
Number of clauses18046
Sum of the clauses size127926
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2400
Number of clauses of size 32372
Number of clauses of size 4481
Number of clauses of size 5648
Number of clauses of size over 514110

Solver Data

0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  2765                                                 |
0.00/0.00	c |  Number of clauses:    18046                                                |
0.00/0.06	c |  Parsing time:         0.05         s                                       |
0.00/0.06	c |  Timeout:              43200 s
0.00/0.06	c |  Random Seed:          887787101.000000
0.00/0.06	c |  Heuristic:            EMBP-G, threshold 0.800                              |
0.00/0.06	c |  Branching Rule:       default (solution-guided)                            |
0.00/0.06	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.00/0.06	c |                                                                             |
0.19/0.23	c ============================[ Search Statistics ]==============================
0.19/0.23	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.19/0.23	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.19/0.23	c ===============================================================================
0.19/0.23	c |         0 |    2157    11940    77315 |     3980        0    nan |  0.000 % |
0.29/0.30	c |       100 |    2157    11940    77315 |     4378      100     10 |  2.062 % |
0.29/0.39	c |       250 |    2157    11940    77315 |     4815      250     12 |  2.062 % |
0.39/0.48	c |       475 |    2157    11940    77315 |     5297      475     12 |  2.062 % |
0.49/0.58	c |       814 |    2157    11940    77315 |     5827      814     13 |  2.062 % |
0.59/0.68	c |      1320 |    2157    11940    77315 |     6409     1320     13 |  2.062 % |
0.69/0.78	c |      2079 |    2157    11940    77315 |     7050     2079     14 |  2.062 % |
0.89/0.91	c |      3219 |    2157    11940    77315 |     7755     3219     15 |  2.062 % |
0.99/1.07	c |      4927 |    2157    11940    77315 |     8531     4927     16 |  2.062 % |
1.29/1.31	c |      7490 |    2157    11940    77315 |     9384     7490     17 |  2.062 % |
1.59/1.69	c |     11334 |    2157    11940    77315 |    10323     6507     20 |  2.062 % |
2.29/2.33	c |     17101 |    2157    11940    77315 |    11355     7016     21 |  2.062 % |
3.49/3.50	c |     25750 |    2157    11940    77315 |    12490     9891     29 |  2.062 % |
5.19/5.23	c |     38726 |    2157    11940    77315 |    13740    10215     24 |  2.062 % |
5.99/6.03	c ===============================================================================
5.99/6.04	c surveys--CPU time (sec)   : 1.1698         (19.41 % of total)
5.99/6.04	c surveys--attempted        : 14             (12 /sec)
5.99/6.04	c surveys--converged        : 14             (100.00 % successful)
5.99/6.04	c restarts              : 14
5.99/6.04	c conflicts             : 44214          (9105 /sec)
5.99/6.04	c decisions             : 118746         (1.89 % random) (24452 /sec)
5.99/6.04	c propagations          : 2610144        (537480 /sec)
5.99/6.04	c conflict literals     : 1116022        (27.55 % deleted)
5.99/6.04	c Memory used           : 8.18 MB
5.99/6.04	c Total CPU time (sec)      : 6.0261      
5.99/6.04	c 
5.99/6.04	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-1725746-1240706417/watcher-1725746-1240706417 -o /tmp/evaluation-result-1725746-1240706417/solver-1725746-1240706417 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-crafted_static -seed=887787101 HOME/instance-1725746-1240706417.cnf 

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: 0.92 0.98 0.99 3/64 18832
/proc/meminfo: memFree=1629464/2055920 swapFree=4192812/4192956
[pid=18832] ppid=18830 vsize=2932 CPUtime=0
/proc/18832/stat : 18832 (varsat-crafted_) R 18830 18832 18534 0 -1 4194304 471 0 0 0 0 0 0 0 18 0 1 0 98675689 3002368 456 1992294400 4194304 5102648 548682068800 18446744073709551615 4515755 0 0 4096 3 0 0 0 17 1 0 0
/proc/18832/statm: 733 456 87 221 0 509 0

[startup+0.0786681 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 18832
/proc/meminfo: memFree=1629464/2055920 swapFree=4192812/4192956
[pid=18832] ppid=18830 vsize=7004 CPUtime=0.06
/proc/18832/stat : 18832 (varsat-crafted_) R 18830 18832 18534 0 -1 4194304 1490 0 0 0 6 0 0 0 18 0 1 0 98675689 7172096 1475 1992294400 4194304 5102648 548682068800 18446744073709551615 4222084 0 0 4096 3 0 0 0 17 1 0 0
/proc/18832/statm: 1751 1475 99 221 0 1527 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 7004

[startup+0.102669 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 18832
/proc/meminfo: memFree=1629464/2055920 swapFree=4192812/4192956
[pid=18832] ppid=18830 vsize=7004 CPUtime=0.09
/proc/18832/stat : 18832 (varsat-crafted_) R 18830 18832 18534 0 -1 4194304 1497 0 0 0 9 0 0 0 18 0 1 0 98675689 7172096 1482 1992294400 4194304 5102648 548682068800 18446744073709551615 4272886 0 0 4096 3 0 0 0 17 1 0 0
/proc/18832/statm: 1751 1482 99 221 0 1527 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7004

[startup+0.301686 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 18832
/proc/meminfo: memFree=1629464/2055920 swapFree=4192812/4192956
[pid=18832] ppid=18830 vsize=7124 CPUtime=0.29
/proc/18832/stat : 18832 (varsat-crafted_) R 18830 18832 18534 0 -1 4194304 1634 0 0 0 29 0 0 0 19 0 1 0 98675689 7294976 1528 1992294400 4194304 5102648 548682068800 18446744073709551615 4214195 0 0 4096 3 0 0 0 17 1 0 0
/proc/18832/statm: 1781 1528 102 221 0 1557 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7124

[startup+0.702718 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 18832
/proc/meminfo: memFree=1629464/2055920 swapFree=4192812/4192956
[pid=18832] ppid=18830 vsize=7124 CPUtime=0.69
/proc/18832/stat : 18832 (varsat-crafted_) R 18830 18832 18534 0 -1 4194304 1644 0 0 0 69 0 0 0 23 0 1 0 98675689 7294976 1538 1992294400 4194304 5102648 548682068800 18446744073709551615 4215179 0 0 4096 3 0 0 0 17 1 0 0
/proc/18832/statm: 1781 1538 112 221 0 1557 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7124

[startup+1.50178 s]
/proc/loadavg: 0.92 0.98 0.99 2/65 18833
/proc/meminfo: memFree=1623504/2055920 swapFree=4192812/4192956
[pid=18832] ppid=18830 vsize=7280 CPUtime=1.49
/proc/18832/stat : 18832 (varsat-crafted_) R 18830 18832 18534 0 -1 4194304 1659 0 0 0 149 0 0 0 25 0 1 0 98675689 7454720 1553 1992294400 4194304 5102648 548682068800 18446744073709551615 4250276 0 0 4096 3 0 0 0 17 1 0 0
/proc/18832/statm: 1820 1553 112 221 0 1596 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7280

[startup+3.10191 s]
/proc/loadavg: 0.92 0.98 0.99 2/65 18833
/proc/meminfo: memFree=1623376/2055920 swapFree=4192812/4192956
[pid=18832] ppid=18830 vsize=7676 CPUtime=3.09
/proc/18832/stat : 18832 (varsat-crafted_) R 18830 18832 18534 0 -1 4194304 1774 0 0 0 308 1 0 0 25 0 1 0 98675689 7860224 1668 1992294400 4194304 5102648 548682068800 18446744073709551615 4249807 0 0 4096 3 0 0 0 17 1 0 0
/proc/18832/statm: 1919 1668 112 221 0 1695 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7676

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

[startup+4.70104 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 18833
/proc/meminfo: memFree=1622480/2055920 swapFree=4192812/4192956
[pid=18832] ppid=18830 vsize=8244 CPUtime=4.69
/proc/18832/stat : 18832 (varsat-crafted_) R 18830 18832 18534 0 -1 4194304 1889 0 0 0 468 1 0 0 25 0 1 0 98675689 8441856 1783 1992294400 4194304 5102648 548682068800 18446744073709551615 4249760 0 0 4096 3 0 0 0 17 1 0 0
/proc/18832/statm: 2061 1783 112 221 0 1837 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 8244

[startup+5.50511 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 18833
/proc/meminfo: memFree=1622416/2055920 swapFree=4192812/4192956
[pid=18832] ppid=18830 vsize=8244 CPUtime=5.5
/proc/18832/stat : 18832 (varsat-crafted_) R 18830 18832 18534 0 -1 4194304 1899 0 0 0 549 1 0 0 25 0 1 0 98675689 8441856 1793 1992294400 4194304 5102648 548682068800 18446744073709551615 4249822 0 0 4096 3 0 0 0 17 1 0 0
/proc/18832/statm: 2061 1793 112 221 0 1837 0
Current children cumulated CPU time (s) 5.5
Current children cumulated vsize (KiB) 8244

[startup+5.90114 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 18833
/proc/meminfo: memFree=1622416/2055920 swapFree=4192812/4192956
[pid=18832] ppid=18830 vsize=8376 CPUtime=5.89
/proc/18832/stat : 18832 (varsat-crafted_) R 18830 18832 18534 0 -1 4194304 1929 0 0 0 588 1 0 0 25 0 1 0 98675689 8577024 1823 1992294400 4194304 5102648 548682068800 18446744073709551615 4249822 0 0 4096 3 0 0 0 17 1 0 0
/proc/18832/statm: 2094 1823 112 221 0 1870 0
Current children cumulated CPU time (s) 5.89
Current children cumulated vsize (KiB) 8376

[startup+6.00115 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 18833
/proc/meminfo: memFree=1622416/2055920 swapFree=4192812/4192956
[pid=18832] ppid=18830 vsize=8376 CPUtime=5.99
/proc/18832/stat : 18832 (varsat-crafted_) R 18830 18832 18534 0 -1 4194304 1930 0 0 0 598 1 0 0 25 0 1 0 98675689 8577024 1824 1992294400 4194304 5102648 548682068800 18446744073709551615 4249760 0 0 4096 3 0 0 0 17 1 0 0
/proc/18832/statm: 2094 1824 112 221 0 1870 0
Current children cumulated CPU time (s) 5.99
Current children cumulated vsize (KiB) 8376

Child status: 10
Real time (s): 6.04223
CPU time (s): 6.04008
CPU user time (s): 6.02708
CPU system time (s): 0.012998
CPU usage (%): 99.9644
Max. virtual memory (cumulated for all children) (KiB): 8376

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.02708
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1936
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= 2
involuntary context switches= 16

runsolver used 0.008998 second user time and 0.021996 second system time

The end

Launcher Data

Begin job on node3 at 2009-04-26 02:40:17
IDJOB=1725746
IDBENCH=24597
IDSOLVER=537
FILE ID=node3/1725746-1240706417
PBS_JOBID= 9186799
Free space on /tmp= 66068 MiB

SOLVER NAME= VARSAT-crafted 2009-03-22
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
COMMAND LINE= HOME/varsat-crafted_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725746-1240706417/watcher-1725746-1240706417 -o /tmp/evaluation-result-1725746-1240706417/solver-1725746-1240706417 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-crafted_static -seed=887787101 HOME/instance-1725746-1240706417.cnf

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

MD5SUM BENCH= 50ea7ab54b71dd15b01cd5fd293d58eb
RANDOM SEED=887787101

node3.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		: 3000.212
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		: 3000.212
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:       1629944 kB
Buffers:         43076 kB
Cached:         309972 kB
SwapCached:        144 kB
Active:         125040 kB
Inactive:       243032 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1629944 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1684 kB
Writeback:           0 kB
Mapped:          23636 kB
Slab:            43980 kB
Committed_AS:   362996 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= 66068 MiB
End job on node3 at 2009-04-26 02:40:23