Trace number 333051

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 2007-02-12SAT 11.9662 11.973

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
MD5SUM51245c7b8edb32c4dbd94daf982c00d7
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.92055
Satisfiable
(Un)Satisfiability was proved
Number of variables2435
Number of clauses16016
Sum of the clauses size112873
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32207
Number of clauses of size 4298
Number of clauses of size 5447
Number of clauses of size over 512644

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/333051-1173500705/instance-333051-1173500705.cnf
11.88/11.96	s SATISFIABLE
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11.88/11.96	c runtime 11.96 [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/node12/watcher-333051-1173500705 -o ROOT/results/node12/solver-333051-1173500705 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333051-1173500705/Spear-32 --model-stdout --time --dimacs /tmp/evaluation/333051-1173500705/instance-333051-1173500705.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: 0.97 0.97 0.99 3/77 20219
/proc/meminfo: memFree=1690864/2055920 swapFree=4156588/4192956
[pid=20219] ppid=20217 vsize=1932 CPUtime=0
/proc/20219/stat : 20219 (Spear-32) R 20217 20219 17897 0 -1 4194304 263 0 0 0 0 0 0 0 18 0 1 0 370024999 1978368 247 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 134518170 0 0 4096 0 0 0 0 17 1 0 0
/proc/20219/statm: 483 247 126 302 0 178 0

[startup+0.027836 s]
/proc/loadavg: 0.97 0.97 0.99 3/77 20219
/proc/meminfo: memFree=1690864/2055920 swapFree=4156588/4192956
[pid=20219] ppid=20217 vsize=2064 CPUtime=0.02
/proc/20219/stat : 20219 (Spear-32) R 20217 20219 17897 0 -1 4194304 323 0 0 0 2 0 0 0 18 0 1 0 370024999 2113536 307 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 135258954 0 0 4096 0 0 0 0 17 1 0 0
/proc/20219/statm: 516 307 129 302 0 211 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2064

[startup+0.101849 s]
/proc/loadavg: 0.97 0.97 0.99 3/77 20219
/proc/meminfo: memFree=1690864/2055920 swapFree=4156588/4192956
[pid=20219] ppid=20217 vsize=2856 CPUtime=0.09
/proc/20219/stat : 20219 (Spear-32) R 20217 20219 17897 0 -1 4194304 543 0 0 0 9 0 0 0 18 0 1 0 370024999 2924544 527 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/20219/statm: 714 527 140 302 0 409 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2856

[startup+0.301884 s]
/proc/loadavg: 0.97 0.97 0.99 3/77 20219
/proc/meminfo: memFree=1690864/2055920 swapFree=4156588/4192956
[pid=20219] ppid=20217 vsize=3516 CPUtime=0.29
/proc/20219/stat : 20219 (Spear-32) R 20217 20219 17897 0 -1 4194304 696 0 0 0 28 1 0 0 19 0 1 0 370024999 3600384 680 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/20219/statm: 879 680 141 302 0 574 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3516

[startup+0.701957 s]
/proc/loadavg: 0.97 0.97 0.99 3/77 20219
/proc/meminfo: memFree=1690864/2055920 swapFree=4156588/4192956
[pid=20219] ppid=20217 vsize=4424 CPUtime=0.69
/proc/20219/stat : 20219 (Spear-32) R 20217 20219 17897 0 -1 4194304 918 0 0 0 68 1 0 0 22 0 1 0 370024999 4530176 902 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/20219/statm: 1106 902 141 302 0 801 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4424

[startup+1.5011 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 20220
/proc/meminfo: memFree=1687272/2055920 swapFree=4156588/4192956
[pid=20219] ppid=20217 vsize=5716 CPUtime=1.49
/proc/20219/stat : 20219 (Spear-32) R 20217 20219 17897 0 -1 4194304 1232 0 0 0 146 3 0 0 25 0 1 0 370024999 5853184 1216 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/20219/statm: 1429 1216 141 302 0 1124 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5716

[startup+3.10139 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 20220
/proc/meminfo: memFree=1685672/2055920 swapFree=4156588/4192956
[pid=20219] ppid=20217 vsize=7404 CPUtime=3.09
/proc/20219/stat : 20219 (Spear-32) R 20217 20219 17897 0 -1 4194304 1661 0 0 0 304 5 0 0 25 0 1 0 370024999 7581696 1645 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/20219/statm: 1851 1645 141 302 0 1546 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7404

[startup+6.30196 s]
/proc/loadavg: 0.97 0.97 0.99 2/78 20220
/proc/meminfo: memFree=1682864/2055920 swapFree=4156588/4192956
[pid=20219] ppid=20217 vsize=9716 CPUtime=6.29
/proc/20219/stat : 20219 (Spear-32) R 20217 20219 17897 0 -1 4194304 2261 0 0 0 622 7 0 0 25 0 1 0 370024999 9949184 2212 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/20219/statm: 2429 2212 141 302 0 2124 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 9716

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

[startup+9.50154 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 20220
/proc/meminfo: memFree=1680688/2055920 swapFree=4156588/4192956
[pid=20219] ppid=20217 vsize=11680 CPUtime=9.49
/proc/20219/stat : 20219 (Spear-32) R 20217 20219 17897 0 -1 4194304 2759 0 0 0 938 11 0 0 25 0 1 0 370024999 11960320 2710 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/20219/statm: 2920 2710 141 302 0 2615 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 11680

[startup+11.1018 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 20220
/proc/meminfo: memFree=1679536/2055920 swapFree=4156588/4192956
[pid=20219] ppid=20217 vsize=12452 CPUtime=11.08
/proc/20219/stat : 20219 (Spear-32) R 20217 20219 17897 0 -1 4194304 2944 0 0 0 1096 12 0 0 25 0 1 0 370024999 12750848 2895 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/20219/statm: 3113 2895 141 302 0 2808 0
Current children cumulated CPU time (s) 11.08
Current children cumulated vsize (KiB) 12452

[startup+11.5019 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 20220
/proc/meminfo: memFree=1679536/2055920 swapFree=4156588/4192956
[pid=20219] ppid=20217 vsize=12580 CPUtime=11.48
/proc/20219/stat : 20219 (Spear-32) R 20217 20219 17897 0 -1 4194304 2983 0 0 0 1136 12 0 0 25 0 1 0 370024999 12881920 2934 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/20219/statm: 3145 2934 141 302 0 2840 0
Current children cumulated CPU time (s) 11.48
Current children cumulated vsize (KiB) 12580

[startup+11.902 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 20220
/proc/meminfo: memFree=1679536/2055920 swapFree=4156588/4192956
[pid=20219] ppid=20217 vsize=12708 CPUtime=11.88
/proc/20219/stat : 20219 (Spear-32) R 20217 20219 17897 0 -1 4194304 3024 0 0 0 1175 13 0 0 25 0 1 0 370024999 13012992 2975 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/20219/statm: 3177 2975 141 302 0 2872 0
Current children cumulated CPU time (s) 11.88
Current children cumulated vsize (KiB) 12708

Child status: 10
Real time (s): 11.973
CPU time (s): 11.9662
CPU user time (s): 11.8142
CPU system time (s): 0.151976
CPU usage (%): 99.9428
Max. virtual memory (cumulated for all children) (KiB): 12708

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.8142
system time used= 0.151976
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3057
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= 20

runsolver used 0.018997 second user time and 0.032994 second system time

The end

Launcher Data (download as text)

Begin job on node12 on Sat Mar 10 04:25:05 UTC 2007

IDJOB= 333051
IDBENCH= 24594
IDSOLVER= 133
FILE ID= node12/333051-1173500705

PBS_JOBID= 4101096

Free space on /tmp= 66417 MiB

SOLVER NAME= Spear 2007-02-12
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333051-1173500705/Spear-32 --model-stdout --time --dimacs /tmp/evaluation/333051-1173500705/instance-333051-1173500705.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node12/watcher-333051-1173500705 -o ROOT/results/node12/solver-333051-1173500705 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333051-1173500705/Spear-32 --model-stdout --time --dimacs /tmp/evaluation/333051-1173500705/instance-333051-1173500705.cnf            

META MD5SUM SOLVER= 53b58dfa80430416a78fe762713f980c
MD5SUM BENCH=  51245c7b8edb32c4dbd94daf982c00d7

RANDOM SEED= 554126019

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node12.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		: 3000.285
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		: 3000.285
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:       1691272 kB
Buffers:         39592 kB
Cached:         251384 kB
SwapCached:      15228 kB
Active:         213452 kB
Inactive:       100828 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1691272 kB
SwapTotal:     4192956 kB
SwapFree:      4156588 kB
Dirty:            2216 kB
Writeback:           0 kB
Mapped:          29776 kB
Slab:            35940 kB
Committed_AS:  1624688 kB
PageTables:       1692 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= 66417 MiB

End job on node12 on Sat Mar 10 04:25:18 UTC 2007