Trace number 1725693

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 4.40433 4.40599

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.38479
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

Solver Data 

0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  2737                                                 |
0.00/0.00	c |  Number of clauses:    18375                                                |
0.05/0.06	c |  Parsing time:         0.06         s                                       |
0.05/0.06	c |  Timeout:              43200 s
0.05/0.06	c |  Random Seed:          990474668.000000
0.05/0.06	c |  Heuristic:            EMBP-G, threshold 0.800                              |
0.05/0.06	c |  Branching Rule:       default (solution-guided)                            |
0.05/0.06	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.05/0.06	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 |    2132    12073    77654 |     4024        0    nan |  0.000 % |
0.29/0.32	c |       102 |    2132    12073    77654 |     4426      102     10 |  2.083 % |
0.39/0.40	c |       253 |    2132    12073    77654 |     4869      253     12 |  2.083 % |
0.39/0.49	c |       478 |    2132    12073    77654 |     5356      478     13 |  2.083 % |
0.49/0.59	c |       817 |    2132    12073    77654 |     5892      817     13 |  2.083 % |
0.59/0.69	c |      1324 |    2132    12073    77654 |     6481     1324     13 |  2.083 % |
0.79/0.80	c |      2084 |    2132    12073    77654 |     7129     2084     15 |  2.083 % |
0.89/0.93	c |      3225 |    2132    12073    77654 |     7842     3225     15 |  2.083 % |
0.99/1.10	c |      4933 |    2132    12073    77654 |     8626     4933     17 |  2.083 % |
1.29/1.36	c |      7495 |    2132    12073    77654 |     9489     7495     20 |  2.083 % |
1.69/1.74	c |     11340 |    2132    12073    77654 |    10438     6483     21 |  2.083 % |
2.29/2.35	c |     17106 |    2132    12073    77654 |    11481     6937     22 |  2.083 % |
3.49/3.54	c |     25755 |    2132    12073    77654 |    12630     9753     25 |  2.083 % |
4.29/4.40	c ===============================================================================
4.29/4.40	c surveys--CPU time (sec)   : 1.1068         (25.19 % of total)
4.29/4.40	c surveys--attempted        : 13             (12 /sec)
4.29/4.40	c surveys--converged        : 13             (100.00 % successful)
4.29/4.40	c restarts              : 13
4.29/4.40	c conflicts             : 30814          (9373 /sec)
4.29/4.40	c decisions             : 69217          (1.81 % random) (21055 /sec)
4.29/4.40	c propagations          : 1789444        (544318 /sec)
4.29/4.40	c conflict literals     : 765777         (27.83 % deleted)
4.29/4.40	c Memory used           : 8.00 MB
4.29/4.40	c Total CPU time (sec)      : 4.3943      
4.29/4.40	c 
4.29/4.40	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-1725693-1240706194/watcher-1725693-1240706194 -o /tmp/evaluation-result-1725693-1240706194/solver-1725693-1240706194 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-crafted_static -seed=990474668 HOME/instance-1725693-1240706194.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: 1.00 1.00 1.09 3/64 19181
/proc/meminfo: memFree=1482208/2055920 swapFree=4180248/4192956
[pid=19181] ppid=19179 vsize=2888 CPUtime=0
/proc/19181/stat : 19181 (varsat-crafted_) R 19179 19181 19022 0 -1 4194304 484 0 0 0 0 0 0 0 18 0 1 0 98652813 2957312 469 1992294400 4194304 5102648 548682068768 18446744073709551615 4262859 0 0 4096 3 0 0 0 17 1 0 0
/proc/19181/statm: 722 469 87 221 0 498 0

[startup+0.059859 s]
/proc/loadavg: 1.00 1.00 1.09 3/64 19181
/proc/meminfo: memFree=1482208/2055920 swapFree=4180248/4192956
[pid=19181] ppid=19179 vsize=6648 CPUtime=0.05
/proc/19181/stat : 19181 (varsat-crafted_) R 19179 19181 19022 0 -1 4194304 1398 0 0 0 5 0 0 0 18 0 1 0 98652813 6807552 1383 1992294400 4194304 5102648 548682068768 18446744073709551615 4491719 0 0 4096 3 0 0 0 17 1 0 0
/proc/19181/statm: 1662 1384 87 221 0 1438 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 6648

[startup+0.102863 s]
/proc/loadavg: 1.00 1.00 1.09 3/64 19181
/proc/meminfo: memFree=1482208/2055920 swapFree=4180248/4192956
[pid=19181] ppid=19179 vsize=6980 CPUtime=0.09
/proc/19181/stat : 19181 (varsat-crafted_) R 19179 19181 19022 0 -1 4194304 1505 0 0 0 9 0 0 0 18 0 1 0 98652813 7147520 1490 1992294400 4194304 5102648 548682068768 18446744073709551615 4272884 0 0 4096 3 0 0 0 17 1 0 0
/proc/19181/statm: 1745 1490 99 221 0 1521 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6980

[startup+0.302884 s]
/proc/loadavg: 1.00 1.00 1.09 3/64 19181
/proc/meminfo: memFree=1482208/2055920 swapFree=4180248/4192956
[pid=19181] ppid=19179 vsize=7232 CPUtime=0.29
/proc/19181/stat : 19181 (varsat-crafted_) R 19179 19181 19022 0 -1 4194304 1639 0 0 0 29 0 0 0 19 0 1 0 98652813 7405568 1534 1992294400 4194304 5102648 548682068768 18446744073709551615 4215149 0 0 4096 3 0 0 0 17 1 0 0
/proc/19181/statm: 1808 1534 102 221 0 1584 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7232

[startup+0.702937 s]
/proc/loadavg: 1.00 1.00 1.09 3/64 19181
/proc/meminfo: memFree=1482208/2055920 swapFree=4180248/4192956
[pid=19181] ppid=19179 vsize=7232 CPUtime=0.69
/proc/19181/stat : 19181 (varsat-crafted_) R 19179 19181 19022 0 -1 4194304 1649 0 0 0 69 0 0 0 22 0 1 0 98652813 7405568 1544 1992294400 4194304 5102648 548682068768 18446744073709551615 4213842 0 0 4096 3 0 0 0 17 1 0 0
/proc/19181/statm: 1808 1544 112 221 0 1584 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7232

[startup+1.50201 s]
/proc/loadavg: 1.00 1.00 1.09 2/65 19182
/proc/meminfo: memFree=1476184/2055920 swapFree=4180248/4192956
[pid=19181] ppid=19179 vsize=7232 CPUtime=1.49
/proc/19181/stat : 19181 (varsat-crafted_) R 19179 19181 19022 0 -1 4194304 1663 0 0 0 149 0 0 0 25 0 1 0 98652813 7405568 1558 1992294400 4194304 5102648 548682068768 18446744073709551615 4249807 0 0 4096 3 0 0 0 17 1 0 0
/proc/19181/statm: 1808 1558 112 221 0 1584 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7232

[startup+3.10117 s]
/proc/loadavg: 1.00 1.00 1.09 2/65 19182
/proc/meminfo: memFree=1476056/2055920 swapFree=4180248/4192956
[pid=19181] ppid=19179 vsize=7628 CPUtime=3.09
/proc/19181/stat : 19181 (varsat-crafted_) R 19179 19181 19022 0 -1 4194304 1774 0 0 0 309 0 0 0 25 0 1 0 98652813 7811072 1669 1992294400 4194304 5102648 548682068768 18446744073709551615 4249760 0 0 4096 3 0 0 0 17 1 0 0
/proc/19181/statm: 1907 1669 112 221 0 1683 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7628

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

[startup+3.90125 s]
/proc/loadavg: 1.00 1.00 1.09 2/65 19182
/proc/meminfo: memFree=1475672/2055920 swapFree=4180248/4192956
[pid=19181] ppid=19179 vsize=7892 CPUtime=3.89
/proc/19181/stat : 19181 (varsat-crafted_) R 19179 19181 19022 0 -1 4194304 1825 0 0 0 389 0 0 0 25 0 1 0 98652813 8081408 1720 1992294400 4194304 5102648 548682068768 18446744073709551615 4255092 0 0 4096 3 0 0 0 17 1 0 0
/proc/19181/statm: 1973 1720 112 221 0 1749 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 7892

[startup+4.30129 s]
/proc/loadavg: 1.00 1.00 1.09 2/65 19182
/proc/meminfo: memFree=1475224/2055920 swapFree=4180248/4192956
[pid=19181] ppid=19179 vsize=8184 CPUtime=4.29
/proc/19181/stat : 19181 (varsat-crafted_) R 19179 19181 19022 0 -1 4194304 1876 0 0 0 429 0 0 0 25 0 1 0 98652813 8380416 1771 1992294400 4194304 5102648 548682068768 18446744073709551615 4249865 0 0 4096 3 0 0 0 17 1 0 0
/proc/19181/statm: 2046 1771 112 221 0 1822 0
Current children cumulated CPU time (s) 4.29
Current children cumulated vsize (KiB) 8184

[startup+4.4053 s]
/proc/loadavg: 1.00 1.00 1.09 2/65 19182
/proc/meminfo: memFree=1475224/2055920 swapFree=4180248/4192956
[pid=19181] ppid=19179 vsize=0 CPUtime=4.39
/proc/19181/stat : 19181 (varsat-crafted_) R 19179 19181 19022 0 -1 4194308 1883 0 0 0 439 0 0 0 25 0 1 0 98652813 0 0 1992294400 0 0 0 0 0 0 0 4096 3 0 0 0 17 1 0 0
/proc/19181/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 4.39
Current children cumulated vsize (KiB) 0

Child status: 10
Real time (s): 4.40599
CPU time (s): 4.40433
CPU user time (s): 4.39533
CPU system time (s): 0.008998
CPU usage (%): 99.9624
Max. virtual memory (cumulated for all children) (KiB): 8184

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.39533
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1883
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= 5

runsolver used 0.007998 second user time and 0.016997 second system time

The end

Launcher Data 

Begin job on node17 at 2009-04-26 02:36:34
IDJOB=1725693
IDBENCH=24595
IDSOLVER=537
FILE ID=node17/1725693-1240706194
PBS_JOBID= 9186795
Free space on /tmp= 66136 MiB

SOLVER NAME= VARSAT-crafted 2009-03-22
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= HOME/varsat-crafted_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725693-1240706194/watcher-1725693-1240706194 -o /tmp/evaluation-result-1725693-1240706194/solver-1725693-1240706194 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-crafted_static -seed=990474668 HOME/instance-1725693-1240706194.cnf

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

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=990474668

node17.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		: 3000.234
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		: 3000.234
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:       1482624 kB
Buffers:         61796 kB
Cached:         453876 kB
SwapCached:       7520 kB
Active:         233444 kB
Inactive:       292204 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1482624 kB
SwapTotal:     4192956 kB
SwapFree:      4180248 kB
Dirty:            1692 kB
Writeback:           0 kB
Mapped:          13544 kB
Slab:            33604 kB
Committed_AS:   354016 kB
PageTables:       1452 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= 66136 MiB
End job on node17 at 2009-04-26 02:36:39