Trace number 332629

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, and are wall clock time (not CPU 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
Spear FHS 1.0SAT 19.913 19.9207

General information on the benchmark

Namecrafted/Medium/contest05/pebbling/
sat-pbl-00400.sat05-1322.reshuffled-07.cnf
MD5SUM29cf0f53dfca3fe2e94789628bed3971
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark3.46547
Satisfiable
(Un)Satisfiability was proved
Number of variables1497
Number of clauses73374
Sum of the clauses size615277
Maximum clause length11
Minimum clause length1
Number of clauses of size 16
Number of clauses of size 242
Number of clauses of size 3337
Number of clauses of size 4413
Number of clauses of size 53127
Number of clauses of size over 569449

Solver Data (download as text)

0.00/0.00	c (*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)          Spear theorem prover               (*) 
0.00/0.00	c (*)        Copyright (C) 2006,2007              (*) 
0.00/0.00	c (*)     Domagoj Babic. All rights reserved.     (*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)     There is NO warranty, not even for      (*) 
0.00/0.00	c (*) merchantability or fitness for a particular (*) 
0.00/0.00	c (*)  purpose. Please run with --license to see  (*) 
0.00/0.00	c (*)              license details.               (*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*) 
0.00/0.00	c 
0.00/0.00	c solving /tmp/evaluation/332629-1173484305/instance-332629-1173484305.cnf
19.89/19.90	s SATISFIABLE
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-1467 1468 1469 -1470 1471 -1472 1473 -1474 1475 1476 1477 1478 1479 1480 -1481 1482 1483 1484 -1485 -1486 1487 1488 -1489 -1490 1491 1492 1493 -1494 -1495 1496 -1497 0
19.89/19.90	c runtime 19.90 [s]

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node17/watcher-332629-1173484305 -o ROOT/results/node17/solver-332629-1173484305 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/332629-1173484305/Spear-32 --model-stdout --time --spset-autotuned-fh_1_1 --dimacs /tmp/evaluation/332629-1173484305/instance-332629-1173484305.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): 2400 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: 0.94 0.96 0.97 3/77 17924
/proc/meminfo: memFree=1395336/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=1708 CPUtime=0
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 231 0 0 0 0 0 0 0 18 0 1 0 368384830 1748992 215 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134587773 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 427 215 129 302 0 122 0

[startup+0.007429 s]
/proc/loadavg: 0.94 0.96 0.97 3/77 17924
/proc/meminfo: memFree=1395336/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=1708 CPUtime=0
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 231 0 0 0 0 0 0 0 18 0 1 0 368384830 1748992 215 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 427 215 129 302 0 122 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 1708

[startup+0.101439 s]
/proc/loadavg: 0.94 0.96 0.97 3/77 17924
/proc/meminfo: memFree=1395336/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=3052 CPUtime=0.09
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 563 0 0 0 9 0 0 0 18 0 1 0 368384830 3125248 547 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 763 547 129 302 0 458 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3052

[startup+0.301459 s]
/proc/loadavg: 0.94 0.96 0.97 3/77 17924
/proc/meminfo: memFree=1395336/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=5820 CPUtime=0.29
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 1316 0 0 0 29 0 0 0 19 0 1 0 368384830 5959680 1267 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 135258954 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 1455 1267 129 302 0 1150 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5820

[startup+0.701501 s]
/proc/loadavg: 0.94 0.96 0.97 3/77 17924
/proc/meminfo: memFree=1395336/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=11932 CPUtime=0.69
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 2822 0 0 0 66 3 0 0 22 0 1 0 368384830 12218368 2708 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 2983 2708 145 302 0 2678 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11932

[startup+1.50158 s]
/proc/loadavg: 0.94 0.96 0.97 2/78 17925
/proc/meminfo: memFree=1383936/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=14540 CPUtime=1.49
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 3502 0 0 0 142 7 0 0 25 0 1 0 368384830 14888960 3388 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 3635 3388 145 302 0 3330 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14540

[startup+3.10175 s]
/proc/loadavg: 0.94 0.96 0.97 2/78 17925
/proc/meminfo: memFree=1380288/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=18596 CPUtime=3.09
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 4544 0 0 0 294 15 0 0 25 0 1 0 368384830 19042304 4397 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 4649 4397 145 302 0 4344 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 18596

[startup+6.30108 s]
/proc/loadavg: 0.94 0.96 0.97 2/78 17925
/proc/meminfo: memFree=1361728/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=38500 CPUtime=6.28
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 9216 0 0 0 603 25 0 0 25 0 1 0 368384830 39424000 9004 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134558750 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 9625 9004 145 302 0 9320 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 38500

[startup+12.7017 s]
/proc/loadavg: 0.95 0.96 0.97 2/78 17925
/proc/meminfo: memFree=1345536/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=54220 CPUtime=12.69
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 13206 0 0 0 1230 39 0 0 25 0 1 0 368384830 55521280 12865 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 13555 12865 145 302 0 13250 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 54220

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

[startup+15.9011 s]
/proc/loadavg: 0.95 0.96 0.97 2/78 17925
/proc/meminfo: memFree=1339520/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=59764 CPUtime=15.88
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 14581 0 0 0 1543 45 0 0 25 0 1 0 368384830 61198336 14240 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 14941 14240 145 302 0 14636 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 59764

[startup+17.5012 s]
/proc/loadavg: 0.96 0.96 0.97 2/78 17925
/proc/meminfo: memFree=1336384/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=62012 CPUtime=17.49
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 15138 0 0 0 1700 49 0 0 25 0 1 0 368384830 63500288 14797 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134558750 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 15503 14797 145 302 0 15198 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 62012

[startup+19.1014 s]
/proc/loadavg: 0.96 0.96 0.97 2/78 17925
/proc/meminfo: memFree=1335040/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=64132 CPUtime=19.08
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 15668 0 0 0 1854 54 0 0 25 0 1 0 368384830 65671168 15327 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 16033 15327 145 302 0 15728 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 64132

[startup+19.5015 s]
/proc/loadavg: 0.96 0.96 0.97 2/78 17925
/proc/meminfo: memFree=1335040/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=64648 CPUtime=19.49
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 15801 0 0 0 1894 55 0 0 25 0 1 0 368384830 66199552 15460 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134558750 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 16162 15460 145 302 0 15857 0
Current children cumulated CPU time (s) 19.49
Current children cumulated vsize (KiB) 64648

[startup+19.9015 s]
/proc/loadavg: 0.96 0.96 0.97 2/78 17925
/proc/meminfo: memFree=1333568/2055920 swapFree=4168576/4192956
[pid=17924] ppid=17922 vsize=65044 CPUtime=19.89
/proc/17924/stat : 17924 (Spear-32) R 17922 17924 16665 0 -1 4194304 15912 0 0 0 1933 56 0 0 25 0 1 0 368384830 66605056 15571 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17924/statm: 16261 15571 145 302 0 15956 0
Current children cumulated CPU time (s) 19.89
Current children cumulated vsize (KiB) 65044

Child status: 10
Real time (s): 19.9207
CPU time (s): 19.913
CPU user time (s): 19.3421
CPU system time (s): 0.570913
CPU usage (%): 99.9611
Max. virtual memory (cumulated for all children) (KiB): 65044

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 19.3421
system time used= 0.570913
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15937
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= 8
involuntary context switches= 74

runsolver used 0.025996 second user time and 0.054991 second system time

The end

Launcher Data (download as text)

Begin job on node17 on Fri Mar  9 23:51:46 UTC 2007

IDJOB= 332629
IDBENCH= 24584
IDSOLVER= 131
FILE ID= node17/332629-1173484305

PBS_JOBID= 4101087

Free space on /tmp= 66507 MiB

SOLVER NAME= Spear FHS 1.0
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/pebbling/sat-pbl-00400.sat05-1322.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/332629-1173484305/Spear-32 --model-stdout --time --spset-autotuned-fh_1_1 --dimacs /tmp/evaluation/332629-1173484305/instance-332629-1173484305.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node17/watcher-332629-1173484305 -o ROOT/results/node17/solver-332629-1173484305 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/332629-1173484305/Spear-32 --model-stdout --time --spset-autotuned-fh_1_1 --dimacs /tmp/evaluation/332629-1173484305/instance-332629-1173484305.cnf            

META MD5SUM SOLVER= 53b58dfa80430416a78fe762713f980c
MD5SUM BENCH=  29cf0f53dfca3fe2e94789628bed3971

RANDOM SEED= 312474728

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node17.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.229
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		: 3000.229
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:       1395808 kB
Buffers:         49992 kB
Cached:         516044 kB
SwapCached:       2172 kB
Active:         285352 kB
Inactive:       303364 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1395808 kB
SwapTotal:     4192956 kB
SwapFree:      4168576 kB
Dirty:            4740 kB
Writeback:           0 kB
Mapped:          30500 kB
Slab:            57008 kB
Committed_AS:  1423380 kB
PageTables:       1748 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= 66507 MiB

End job on node17 on Fri Mar  9 23:52:06 UTC 2007