Trace number 1784091

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
MiniSat 2.1 (Sat-race'08 Edition)SAT 7.29989 7.30199

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 WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.02	c |  Number of variables:          1677                                         |
0.00/0.02	c |  Number of clauses:           40187                                         |
0.00/0.02	c |  Parse time:                   0.03 s                                       |
0.09/0.11	c |  Simplification time:          0.09 s                                       |
0.09/0.11	c |                                                                             |
0.09/0.11	c ============================[ Search Statistics ]==============================
0.09/0.11	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.11	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.11	c ===============================================================================
0.09/0.11	c |       100 |    1673    39787    97439 |    14588      100     24 |  0.000 % |
0.09/0.12	c |       250 |    1664    39787    97439 |    16047      248     20 |  0.538 % |
0.09/0.13	c |       475 |    1664    39787    97439 |    17652      473     23 |  0.537 % |
0.09/0.14	c |       812 |    1664    39787    97439 |    19417      810     24 |  0.537 % |
0.09/0.15	c |      1318 |    1664    39629    97123 |    21359     1316     29 |  0.537 % |
0.09/0.18	c |      2077 |    1664    39629    97123 |    23495     2075     32 |  0.537 % |
0.19/0.23	c |      3216 |    1659    39544    96953 |    25844     3212     37 |  0.836 % |
0.29/0.31	c |      4924 |    1654    39463    96791 |    28428     4918     37 |  1.134 % |
0.39/0.45	c |      7486 |    1650    39463    96791 |    31271     7479     36 |  1.372 % |
0.59/0.68	c |     11330 |    1646    39403    96671 |    34399    11321     37 |  1.610 % |
1.10/1.10	c |     17096 |    1637    39346    96557 |    37838    17084     38 |  2.147 % |
1.99/2.06	c |     25745 |    1637    39221    96307 |    41622    25731     40 |  2.150 % |
3.99/4.06	c |     38719 |    1637    39221    96307 |    45785    38705     42 |  2.148 % |
7.18/7.29	c ===============================================================================
7.18/7.29	c restarts              : 180
7.18/7.29	c conflicts             : 57321          (7889 /sec)
7.18/7.29	c decisions             : 175505         (24155 /sec)
7.18/7.29	c propagations          : 6031803        (830153 /sec)
7.18/7.29	c conflict literals     : 2559345        (29.40 % deleted)
7.18/7.29	c Memory used           : 19.20 MB
7.18/7.29	c CPU time              : 7.2659 s
7.18/7.29	c 
7.18/7.29	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-1784091-1241914703/watcher-1784091-1241914703 -o /tmp/evaluation-result-1784091-1241914703/solver-1784091-1241914703 -C 5000 -W 6000 -M 1800 HOME/minisat HOME/instance-1784091-1241914703.cnf 

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: 1.08 1.02 1.01 3/65 12565
/proc/meminfo: memFree=1856480/2055920 swapFree=4180284/4192956
[pid=12565] ppid=12563 vsize=7600 CPUtime=0
/proc/12565/stat : 12565 (minisat) R 12563 12565 12306 0 -1 4194304 341 0 0 0 0 0 0 0 20 0 1 0 219499590 7782400 325 1992294400 4194304 5092341 548682068848 18446744073709551615 4515536 0 0 4096 3 0 0 0 17 1 0 0
/proc/12565/statm: 1900 325 63 219 0 1678 0

[startup+0.0662091 s]
/proc/loadavg: 1.08 1.02 1.01 3/65 12565
/proc/meminfo: memFree=1856480/2055920 swapFree=4180284/4192956
[pid=12565] ppid=12563 vsize=9284 CPUtime=0.06
/proc/12565/stat : 12565 (minisat) R 12563 12565 12306 0 -1 4194304 941 0 0 0 6 0 0 0 20 0 1 0 219499590 9506816 925 1992294400 4194304 5092341 548682068848 18446744073709551615 4223551 0 0 4096 3 0 0 0 17 1 0 0
/proc/12565/statm: 2321 925 88 219 0 2099 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 9284

[startup+0.101213 s]
/proc/loadavg: 1.08 1.02 1.01 3/65 12565
/proc/meminfo: memFree=1856480/2055920 swapFree=4180284/4192956
[pid=12565] ppid=12563 vsize=9284 CPUtime=0.09
/proc/12565/stat : 12565 (minisat) R 12563 12565 12306 0 -1 4194304 941 0 0 0 9 0 0 0 20 0 1 0 219499590 9506816 925 1992294400 4194304 5092341 548682068848 18446744073709551615 4219527 0 0 4096 3 0 0 0 17 1 0 0
/proc/12565/statm: 2321 925 88 219 0 2099 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9284

[startup+0.301251 s]
/proc/loadavg: 1.08 1.02 1.01 3/65 12565
/proc/meminfo: memFree=1856480/2055920 swapFree=4180284/4192956
[pid=12565] ppid=12563 vsize=9120 CPUtime=0.29
/proc/12565/stat : 12565 (minisat) R 12563 12565 12306 0 -1 4194304 1268 0 0 0 29 0 0 0 22 0 1 0 219499590 9338880 1036 1992294400 4194304 5092341 548682068848 18446744073709551615 4249550 0 0 4096 3 0 0 0 17 1 0 0
/proc/12565/statm: 2280 1036 103 219 0 2058 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9120

[startup+0.701325 s]
/proc/loadavg: 1.08 1.02 1.01 3/65 12565
/proc/meminfo: memFree=1856480/2055920 swapFree=4180284/4192956
[pid=12565] ppid=12563 vsize=9252 CPUtime=0.69
/proc/12565/stat : 12565 (minisat) R 12563 12565 12306 0 -1 4194304 1581 0 0 0 69 0 0 0 25 0 1 0 219499590 9474048 1349 1992294400 4194304 5092341 548682068848 18446744073709551615 4248648 0 0 4096 3 0 0 0 17 1 0 0
/proc/12565/statm: 2313 1349 103 219 0 2091 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9252

[startup+1.50147 s]
/proc/loadavg: 1.08 1.02 1.01 2/66 12566
/proc/meminfo: memFree=1850392/2055920 swapFree=4180284/4192956
[pid=12565] ppid=12563 vsize=10044 CPUtime=1.49
/proc/12565/stat : 12565 (minisat) R 12563 12565 12306 0 -1 4194304 2149 0 0 0 149 0 0 0 25 0 1 0 219499590 10285056 1917 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/12565/statm: 2511 1917 103 219 0 2289 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10044

[startup+3.10177 s]
/proc/loadavg: 1.08 1.02 1.01 2/66 12566
/proc/meminfo: memFree=1847704/2055920 swapFree=4180284/4192956
[pid=12565] ppid=12563 vsize=13504 CPUtime=3.09
/proc/12565/stat : 12565 (minisat) R 12563 12565 12306 0 -1 4194304 2944 0 0 0 309 0 0 0 25 0 1 0 219499590 13828096 2712 1992294400 4194304 5092341 548682068848 18446744073709551615 4248635 0 0 4096 3 0 0 0 17 1 0 0
/proc/12565/statm: 3376 2712 103 219 0 3154 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13504

[startup+6.30136 s]
/proc/loadavg: 1.07 1.02 1.00 2/66 12566
/proc/meminfo: memFree=1842648/2055920 swapFree=4180284/4192956
[pid=12565] ppid=12563 vsize=11776 CPUtime=6.29
/proc/12565/stat : 12565 (minisat) R 12563 12565 12306 0 -1 4194304 4897 0 0 0 627 2 0 0 25 0 1 0 219499590 12058624 2495 1992294400 4194304 5092341 548682068848 18446744073709551615 4249631 0 0 4096 3 0 0 0 17 1 0 0
/proc/12565/statm: 2944 2495 103 219 0 2722 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 11776

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

[startup+6.40138 s]
/proc/loadavg: 1.07 1.02 1.00 2/66 12566
/proc/meminfo: memFree=1842648/2055920 swapFree=4180284/4192956
[pid=12565] ppid=12563 vsize=11776 CPUtime=6.39
/proc/12565/stat : 12565 (minisat) R 12563 12565 12306 0 -1 4194304 4930 0 0 0 637 2 0 0 25 0 1 0 219499590 12058624 2528 1992294400 4194304 5092341 548682068848 18446744073709551615 4241422 0 0 4096 3 0 0 0 17 1 0 0
/proc/12565/statm: 2944 2528 103 219 0 2722 0
Current children cumulated CPU time (s) 6.39
Current children cumulated vsize (KiB) 11776

[startup+6.80146 s]
/proc/loadavg: 1.07 1.02 1.00 2/66 12566
/proc/meminfo: memFree=1846232/2055920 swapFree=4180284/4192956
[pid=12565] ppid=12563 vsize=19660 CPUtime=6.78
/proc/12565/stat : 12565 (minisat) R 12563 12565 12306 0 -1 4194304 6388 0 0 0 676 2 0 0 25 0 1 0 219499590 20131840 3986 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/12565/statm: 4915 3986 103 219 0 4693 0
Current children cumulated CPU time (s) 6.78
Current children cumulated vsize (KiB) 19660

[startup+7.20153 s]
/proc/loadavg: 1.07 1.02 1.00 2/66 12566
/proc/meminfo: memFree=1846232/2055920 swapFree=4180284/4192956
[pid=12565] ppid=12563 vsize=19660 CPUtime=7.18
/proc/12565/stat : 12565 (minisat) R 12563 12565 12306 0 -1 4194304 6505 0 0 0 716 2 0 0 25 0 1 0 219499590 20131840 4103 1992294400 4194304 5092341 548682068848 18446744073709551615 4250324 0 0 4096 3 0 0 0 17 1 0 0
/proc/12565/statm: 4915 4103 103 219 0 4693 0
Current children cumulated CPU time (s) 7.18
Current children cumulated vsize (KiB) 19660

[startup+7.30155 s]
/proc/loadavg: 1.07 1.02 1.00 2/66 12566
/proc/meminfo: memFree=1846232/2055920 swapFree=4180284/4192956
[pid=12565] ppid=12563 vsize=0 CPUtime=7.29
/proc/12565/stat : 12565 (minisat) R 12563 12565 12306 0 -1 4194308 6545 0 0 0 726 3 0 0 25 0 1 0 219499590 0 0 1992294400 0 0 0 0 0 0 0 4096 3 0 0 0 17 1 0 0
/proc/12565/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 7.29
Current children cumulated vsize (KiB) 0

Child status: 10
Real time (s): 7.30199
CPU time (s): 7.29989
CPU user time (s): 7.2669
CPU system time (s): 0.032994
CPU usage (%): 99.9712
Max. virtual memory (cumulated for all children) (KiB): 23456

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.26689
system time used= 0.032994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6545
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= 14

runsolver used 0.008998 second user time and 0.023996 second system time

The end

Launcher Data 

Begin job on node82 at 2009-05-10 02:18:23
IDJOB=1784091
IDBENCH=70928
IDSOLVER=608
FILE ID=node82/1784091-1241914703
PBS_JOBID= 9264827
Free space on /tmp= 66124 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_7_4_9_all.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1784091-1241914703/watcher-1784091-1241914703 -o /tmp/evaluation-result-1784091-1241914703/solver-1784091-1241914703 -C 5000 -W 6000 -M 1800  HOME/minisat HOME/instance-1784091-1241914703.cnf

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

MD5SUM BENCH= d78c1359306a87fe47f1b830ca255359
RANDOM SEED=416928893

node82.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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1856960 kB
Buffers:         38788 kB
Cached:         111436 kB
SwapCached:       6720 kB
Active:          23760 kB
Inactive:       135284 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1856960 kB
SwapTotal:     4192956 kB
SwapFree:      4180284 kB
Dirty:            1672 kB
Writeback:           0 kB
Mapped:          13828 kB
Slab:            25904 kB
Committed_AS:   604792 kB
PageTables:       1384 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66120 MiB
End job on node82 at 2009-05-10 02:18:30